The Importance of Proper UV Lamp Maintenance for Reliable System Performance

Ultraviolet (UV) systems are used across many industries for air purification, water disinfection, surface treatment, and industrial curing. While UV technology is known for efficiency and reliability, system performance depends heavily on proper lamp maintenance. UV lamps must deliver the correct intensity and wavelength exposure to achieve the desired results, making routine maintenance essential for consistent operation.

Why UV Output Changes Over Time

UV lamps do not usually fail all at once. Instead, their output gradually decreases over time, even when the lamp continues to appear illuminated. This is an important consideration because visible light does not indicate that the lamp is still producing the required level of ultraviolet energy.

As a lamp ages, its germicidal or curing effectiveness may decline. In disinfection systems, this can reduce the ability to inactivate microorganisms. In curing systems, reduced UV output may affect drying speed, adhesion, coating hardness, or overall product quality. For this reason, UV lamp performance should be evaluated based on operating hours and measured UV output, not only visual inspection.

Common UV Lamp Maintenance Requirements

Routine maintenance helps ensure that UV systems continue to perform as designed. Although requirements vary by application, many systems involve similar maintenance steps.

Common maintenance practices include:

• Replacing UV lamps according to the manufacturer’s recommended schedule
• Cleaning quartz sleeves or protective covers to maintain light transmission
• Inspecting lamp connections, seals, and electrical components
• Monitoring UV intensity with sensors or system controls
• Checking for fouling, scaling, dust, or residue that may block UV exposure

In water treatment systems, quartz sleeves are especially important because minerals, sediment, and biofilm can reduce UV transmission. In air treatment systems, dust and airborne particles can collect on lamps or fixtures. In industrial curing systems, ink mist, coatings, or process residues may interfere with lamp performance

Risks of Delayed Lamp Replacement

Delaying UV lamp replacement can create operational and quality issues. Because lamps may continue to glow after their effective UV output has declined, operators may assume the system is working properly when performance has already dropped below required levels.

In germicidal UV applications, reduced output can result in incomplete disinfection and lower pathogen inactivation rates. This may affect air quality, water safety, or surface treatment reliability. In industrial curing applications, insufficient UV intensity can lead to tacky finishes, poor bonding, inconsistent curing, and increased product defects.

Delayed maintenance may also place additional strain on system components. Ballasts, sensors, cooling systems, and reflectors may be affected when lamps are not operating within expected performance ranges. Over time, this can increase downtime, repair costs, and system inefficiency.

How Maintenance Supports Energy Efficiency

Proper maintenance also plays an important role in energy efficiency. When lamps, sleeves, and reflectors are clean and functioning properly, more UV energy reaches the target area. This allows the system to operate more effectively without unnecessary energy waste.

For example, a fouled quartz sleeve in a water treatment system may block part of the UV light from reaching the water stream. As a result, the system may require more energy or longer exposure to achieve the same treatment level. Keeping components clean helps preserve system efficiency and supports lower operating costs.

In curing applications, properly maintained lamps help manufacturers maintain production speed and reduce rework. Consistent UV output allows materials to cure within expected timeframes, improving throughput and product consistency.

Importance of Monitoring and Documentation

Monitoring UV system performance helps facility managers and operators identify maintenance needs before problems occur. Many systems use hour counters, UV sensors, alarms, or control panels to track lamp performance and alert users when replacement or cleaning is needed.

Documentation is also important. Recording lamp installation dates, cleaning schedules, operating hours, and maintenance activity helps ensure that systems are serviced on time. This is especially valuable in regulated industries where proof of maintenance may support compliance, quality assurance, or safety programs.

Choosing Quality Replacement Lamps

Using the correct replacement lamps is essential for maintaining system performance. UV lamps are designed for specific wavelengths, power levels, dimensions, electrical requirements, and system configurations. Substituting improper lamps can reduce effectiveness, damage equipment, or create inconsistent results.

High-quality replacement lamps help ensure that systems continue to meet their original performance specifications. For OEM systems, custom lamp design and precise manufacturing are especially important because each lamp must integrate properly with the equipment and application requirements.

Maintaining Reliable UV System Performance

Proper UV lamp maintenance is a critical part of achieving reliable system performance. Whether used for air purification, water treatment, surface disinfection, or industrial curing, UV systems depend on consistent lamp output, clean components, and timely replacement schedules.

LightSources and our affiliated companies represent leading high-tech designers and manufacturers in the lamp industry today. Our UV lamps are used worldwide in a multitude of applications and industries, including germicidal disinfection, curing, water treatment, air purification, and OEM-oriented systems. Please contact us to learn more about our extensive selection of UV lamp technologies.

UV Curing Technology: How It Improves Efficiency in Industrial Manufacturing

In modern manufacturing environments, efficiency, product quality, and environmental responsibility are key priorities. Ultraviolet (UV) curing technology has become an increasingly important solution for industries that rely on coatings, inks, adhesives, and finishes. By using high-intensity UV light to initiate a photochemical reaction, UV curing systems provide a fast, reliable, and cost-effective alternative to traditional heat-based drying methods.

How UV Curing Technology Works

UV curing is a photochemical process in which ultraviolet light triggers a reaction within specially formulated materials such as inks, coatings, and adhesives. When exposed to the appropriate UV wavelengths, photoinitiators within these materials absorb the energy and rapidly initiate polymerization, causing the substance to harden almost instantly.

The effectiveness of UV curing depends on several factors, including lamp intensity, wavelength, exposure time, and the formulation of the material being cured. When properly configured, UV curing systems deliver consistent and uniform results across a wide range of applications.

Increasing Production Speed

One of the most significant advantages of UV curing technology is its ability to dramatically reduce processing time. Unlike traditional heat curing methods, which may require extended drying periods, UV curing occurs almost instantaneously.

This rapid curing process allows manufacturers to:

• Increase production throughput
• Reduce bottlenecks in production lines
• Minimize work-in-progress inventory
• Accelerate time to shipment

Because products are fully cured immediately after exposure, they can move directly to the next stage of production without delay.

Improving Product Quality

UV curing also contributes to improved product quality and consistency. The controlled curing process reduces the likelihood of defects that can occur with slower drying methods, such as uneven finishes, contamination from airborne particles, or surface imperfections.

In addition, UV-cured materials often exhibit enhanced durability, including improved resistance to abrasion, chemicals, and environmental factors. This makes UV curing particularly valuable in applications where long-term performance and appearance are critical.

Reducing Environmental Impact

UV curing technology offers several environmental benefits compared to conventional curing systems. Because the process does not rely on solvents or high heat, it significantly reduces emissions of volatile organic compounds (VOCs) and eliminates the need for extensive ventilation systems.

Other environmental advantages include:

• Lower energy consumption compared to heat-based systems
• Reduced waste due to fewer defects and rework
• Minimal heat generation, improving workplace conditions
• Elimination of harmful byproducts associated with solvent-based processes

These benefits make UV curing an attractive option for manufacturers seeking to meet environmental regulations and sustainability goals.

Applications Across Industries

UV curing is used across a wide range of industries due to its versatility and efficiency. Common applications include:

• Printing and packaging, including inks and coatings
• Automotive and aerospace components
• Electronics and electrical assemblies
• Medical device manufacturing
• Wood finishing and decorative coatings

Each of these industries benefits from the ability to achieve rapid curing while maintaining high standards of quality and performance.

Advancing Manufacturing with UV Curing Solutions

As manufacturing processes continue to evolve, UV curing technology is playing a key role in improving efficiency and product outcomes. Its ability to deliver fast, consistent, and environmentally responsible curing makes it a valuable solution for a wide range of industrial applications.

Ongoing advancements in UV lamp design and system integration are further enhancing the capabilities of curing systems. Manufacturers specializing in UV lamp technology and OEM solutions continue to support innovation in this space by developing high-performance systems tailored to the needs of modern production environments.

Understanding UV Lamp Types: Low Pressure, Medium Pressure, and Amalgam Explained

Ultraviolet (UV) lamp technology plays a critical role in applications such as air purification, water disinfection, and industrial curing. Selecting the appropriate lamp type is essential for achieving optimal performance, efficiency, and system reliability. Among the most commonly used options are low pressure, medium pressure, and amalgam UV lamps, each designed to meet specific operational requirements.

Low Pressure UV Lamps

Low pressure UV lamps are widely used in germicidal applications due to their high efficiency at producing ultraviolet light at a wavelength of 254nm. This wavelength is considered the most effective for disrupting the DNA and RNA of microorganisms, making these lamps ideal for disinfection purposes.

These lamps operate at relatively low power levels and convert a significant portion of their energy into usable UVC output. As a result, they are highly energy efficient and well suited for applications where longer exposure times are acceptable.

Low pressure lamps are commonly used in:

• Drinking water and wastewater treatment systems
• HVAC air purification units
• Surface disinfection systems
• Laboratory and healthcare environments

Their ability to deliver consistent germicidal performance with low energy consumption makes them a preferred choice for many continuous-use applications.

Medium Pressure UV Lamps

Medium pressure UV lamps operate at higher power levels and produce a broader spectrum of ultraviolet light. Unlike low pressure lamps, which emit primarily at 254nm, medium pressure lamps generate multiple wavelengths across the UV spectrum.

This higher intensity output allows for shorter exposure times, making medium pressure lamps suitable for high-flow or high-speed applications. They are often used in situations where space is limited or where rapid disinfection is required.

Common applications for medium pressure lamps include:

• Large-scale municipal water treatment systems
• Industrial process water disinfection
• UV curing systems for inks, coatings, and adhesives
• Advanced oxidation processes for contaminant removal

While medium pressure lamps offer increased intensity, they typically require more energy and may generate additional heat, which should be considered during system design.

Amalgam UV Lamps

Amalgam UV lamps are a variation of low pressure technology designed to deliver higher output while maintaining energy efficiency. These lamps use a specialized amalgam alloy to regulate mercury vapor pressure, allowing them to operate effectively across a wider temperature range.

As a result, amalgam lamps provide a stable and consistent UVC output even in varying environmental conditions. They are capable of producing higher power levels than standard low pressure lamps while still maintaining a strong focus on the 254nm wavelength.

Amalgam lamps are commonly used in:

• High-capacity water and wastewater treatment systems

• Industrial applications requiring increased UV output

• Systems where temperature fluctuations are a concern

• Applications requiring compact yet powerful lamp configurations

Their ability to combine efficiency with higher output makes them a versatile solution for demanding disinfection requirements.

Comparing UV Lamp Technologies

Each UV lamp type offers distinct advantages depending on the application:

• Low pressure lamps provide high efficiency and targeted germicidal output

• Medium pressure lamps deliver high intensity and rapid treatment capability

• Amalgam lamps offer a balance of efficiency and increased power with stable performance

Selecting the right lamp depends on factors such as flow rate, required dosage, system size, and environmental conditions. Proper system design ensures that the chosen lamp type delivers effective and reliable results.

Choosing the Right UV Solution

Understanding the differences between UV lamp technologies is essential for designing systems that meet specific operational goals. Whether the priority is energy efficiency, high output, or adaptability to varying conditions, each lamp type serves a defined purpose within UV applications.

Advancements in UV lamp engineering continue to improve performance, durability, and integration across a wide range of industries. Manufacturers with expertise in germicidal and specialty lamp design support these developments by providing customized solutions tailored to OEM requirements, helping ensure that each application achieves optimal disinfection or curing performance.

UV Polymer Curing

UV Polymer curing is a process that uses UV light to alter the properties of a polymer, or photopolymer.  A photopolymer is the term for a polymer that responds to UV light, which is basically invisible electromagnetic radiation.  When a photopolymer, which can be a variety of resins, is exposed to the UV radiation, it will typically harden and seal, creating a strengthened surface or an unbreakable bond.

UV Polymer Curing Applications

UV Polymer curing is used in many industrial applications to instantly dry ink or to create a hardened surface without use of solvents or chemicals.  Some common examples of useful applications include:

• Adhesive Bonding

• Inks / Varnishes / Lacquers

• Decorative Glazes

• Coatings

• Label Printing

• Graphic Designs

• Disinfection of Medical Equipment

These are just a few of the many industries that are using UV lamps for curing various polymers.  There are many additional applications for UV curing, and more and more businesses are seeing the benefit of this process.  UV curing was first introduced in the 1960’s, and it is increasingly being adopted by companies as there are many advantages over prior methods of curing polymers.

Curing Lamps

There are three types of UV lamps used for UV polymer curing.  High Pressure UV (HPUV), Medium Pressure UV (MPUV), and Amalgam Lamps.  High Pressure (HPUV) curing lamps are also referred to as Metal Halide lamps, and use mercury with short wavelength outputs.  The HPUV lamps are typically used for the altering of polymers by hardening resins in many of the applications mentioned above.  Medium Pressure lamps (MPUV) are often used for water and air disinfection purposes, while Low Pressure Amalgam lamps are typically used for curing catatonic inks which are inks that are typically an epoxy based resin and respond to UV lighting.  LightSources and our European partner, LightTech, are proud to have pioneered new pellet technology for amalgam lamps.

There are so many benefits to using UV lights for curing it will be difficult to list them all.  We can begin with efficiency.  Imagine a conveyor belt full of parts passing under a UV light as they head to their next destination, possibly quality inspection or packaging.  While no one touched the parts, sprayed solvents on them, or even laid eyes upon them, they underwent a very important process.  Just by passing under the lights, the surface was hardened and strengthened, a strong scratch-resistance texture was enhanced, and any printing or graphic design needing reinforcement was just instantly dried and strengthened.

Now imagine a different manufacturer that does not use UV curing.  They must have an assembly line with people spraying solvents on the parts, requiring face masks and ventilation and still exposing the employees to harmful chemicals in the air and on the skin.  This also opens the door for human error, uneven coating, and inconsistency.

As you can clearly see from these two examples, the efficiency of UV curing is definitely one of the most valuable benefits.  This efficiency also leads to increased production speeds as several parts can be treated at once simply by passing under a row of the proper high intensity UV lighting.   Choosing to cure your parts with UV lighting will increase your output dramatically, while not requiring an investment in an increased labor force, workstation for an added process, or supplies of chemicals that are most likely harmful to the environment.

In addition to efficiency and cost savings, consistency is another big advantage of using UV curing over any other process.  With UV lighting, the amount of exposure is constant, and consistent.  There is no chance of human error in applying an outer coating unevenly on a large amount of parts.  This consistent process results in less quality issues such as internal rejects and the worst rejects of all, customer returns and complaints.   A consistent process is something that all quality minded OEM’s are searching for as consistency results in superior quality, time and again.

Efficiency and consistency are and should always be a top consideration for any production process, (both result in increased profits), but let’s not forget an even more important benefit – the health and safety of your workers and the environment.  Simply by using UV radiation to cure your parts, you are saving your employees from inhaling harmful chemicals, you are not emitting pollutants into the air, and you also do not have to worry about properly storing or disposing of such harmful chemicals.   Any chemical substance on a worksite must be handled with proper storage and disposal guidelines, while maintaining material safety data sheets on the chemical or solvent.

Not only does the increased efficiency and consistency provide an instant return on your investment and a quick increase to the bottom line, not purchasing, storing, disposing of or documenting alternative substances is also a huge savings, and instant increase in profitability.

With all of these benefits, it is difficult to imagine why a manufacturer would choose an alternative method over UV polymer curing.   Efficiency, consistency, safety, less regulations, increased profits, and last but not least – longevity.   LightSources UV curing bulbs will retain their energy output up to 90% of their end of life cycle, enhancing and prolonging all other financial benefits.  As we all know, time is money.  Less time spent processing parts, or replacing bulbs, is an immediate increased profit.

LightSources in the United States, and our European partner, LightTech, provide quality custom UV bulbs to OEM’s large and small all over the world.   If one of our standard sizes does not fit your application, contact us to see how we can assist you in providing custom built bulbs for your required process.   LightSources and LightTech are also the only manufacturer to offer universal installation.   Our lamps can be installed either horizontally or vertically while maintaining equal efficiency.  This feature is exceptionally critical when applying the UV polymer curing process to three dimensional parts, allowing an even exposure to the UV radiation reaching what were previously hidden dimensions.

LightSources in the U.S. and our strategic partner in Europe, LightTech represent the leading high-tech designers and manufacturers in the lamp industry today.  Our products are used world-wide in a multitude of applications and industries such as our UV air treatment systems that offer patent-protected, OEM-oriented solutions.  We invite you to contact us to learn more about our wide selection of lamps

UV Glue Curing

Referred to as liquid glue, UV glue curing is a superior bonding method although this is really a polymer, rather than a glue. This polymer is often in a silicon glue form, an epoxy, polyurethane, or other polymer that will dry clear only when exposed to UV light. The UV wavelength is a catalyst for a photochemical reaction which causes the polymer to harden, almost instantly. In most cases, the polymer will harden when exposed to UV light for only three seconds, although some applications may recommend exposure for ten to fifteen seconds providing optimum bonding adhesion. This is still considerably less time required for curing polymers than other methods, providing maximum efficiency in several adhesion processes.

UV glue curing is gaining popularity over other methods of bonding such as drying or exposure to chemicals, growing at a rate of 10% per year. Bonding with heat or drying works by evaporation, which can be inconsistent and can also take time for the inks to dry. Chemical treatment can be costly to purchase materials, and may expose employees to harmful inhalants or respiratory contaminants. UV glue curing is quick and consistent, providing and instant hardened surface with no harmful chemical exposure.

UV Glue Curing – A Powerful Photochemical Reaction

Whatever the polymer used, the glue will not harden until exposed to UV light. This is advantageous over substances such as instant super glues that can stick to fingers or other areas not meant to be bonded together. With UV polymer or glue curing, the bonding area is targeted, drying instantly only in the area meant to be bonded. The photochemical reaction occurs when the polymer, or glue, is exposed to UV light at particular wavelengths occurring between 240 Nanometer (nm) and 270 nm and 350nm to 380 nm.

In some cases, a second layer can be applied, providing even more strength for an unbreakable bond. This UV glue curing process can be used on almost any substrate, bonding plastic, glass, metal and wood, and even glass to glass, or any variation imaginable. This versatile process can even be applied to three-dimensional parts, saving time and money with quick all over curing.

Where are Curing Lamps Used?

UV curing of glues and polymers is used in a vast number of commercial, industrial and even residential applications. Some applications that utilize UV glue curing include:

• Decorating of plastic and glass
• Graphic Arts
• Printing
• Electronics
• Automotive
• Boating
• Plumbing
• Manufacturing Processes

Some common examples in commercial applications would be windshield repair or fixing leaking pipes. Manufacturing processes include assembly lines with parts undergoing UV glue curing in automotive applications such as curing inks on knobs or buttons for interior visual parts. The gloss provided by the UV process is superior to none, providing clear and shiny print that is resistant to scratching and staining or fading. The ability to apply this process to three-dimensional parts is advantageous providing speed and efficiency to many manufacturing assembly lines in the automotive and electronics industry.

Endless Options with UV Curing Finishes

One big advantage to the finishes with UV curing is that it dries clear, allowing multiple layers if need be while sanding down the finish will provide an invisible ‘liquid plastic’ unbreakable bond. Paint or stain can be applied to the finish, giving endless options for applications with various products.

Benefits of UV Glue Curing

The benefits of UV glue curing are evident just from the increased productivity. The speed at which parts can be cured is a huge benefit, as increased efficiency equals increased profits. Products speeding by on a conveyor belt undergoing a superior bonding process while on their way to a packing or inspection station is a big time-saver over a lengthy chemical treatment or drying station, thus reducing labor or additional process stations.

Reduced labor is an advantage, along with reduced set up time and reduced clean up time. A UV polymer curing station would carry a small footprint, not taking nearly as much space as an alternative curing station. Combined with the high yield enjoyed with this process, the efficiency of UV curing pays with a quick return on investment.

Improved quality is one of the biggest benefits realized with UV glue curing over other methods, as a consistent process equates to improved quality. With UV curing there is no loss of volume or thickness as with drying methods causing evaporation. The more consistent UV curing process also means reduced scrap, which is another goal for improved quality.

Stronger parts, with improved scratch resistance and enhanced gloss are also additional benefits with this enhanced curing process. UV glue curing provides an unbreakable bond, with improved part visual appeal and functionality. All of this happens with an environmentally friendly process and no harsh chemicals.

LightSources – Experts on All UV Glue Curing Processes

LightSources is the global leader in all aspects of the lighting industry, providing UV bulbs for any and all UV curing processes. We have the knowledge and experience to provide best in class products, proven for effectiveness and delivering the exact output required for your system. We can provide various sizes and shapes of lamps, with specialty phosphor blends, and custom ceramic bases for your new UV curing system, or adapting to an already existing UV system.

The experts at LightSources have developed patented and proprietary products, delivering innovative lighting solutions for a vast array of uses including UV curing lamps, UV germicidal lamps, lamps for phototherapy, water and air purification, tanning lamps, neon signs, computer backlighting, mini-fluorescent lamps, even lamps used in the NASA Space Shuttle, the list is endless. Each of these applications require high performance lamps designed to deliver the optimum wavelength of ultraviolet light, providing proven, effective solutions.

With our world-wide locations and numerous partnerships around the globe, LightSources has the resources available to satisfy demanding requirements, with proven UV solutions to meet stringent quality and delivery specifications.

LightSources and our affiliated companies represent the leading high-tech designers and manufacturers in the lamp industry today. Our products are used world-wide in a multitude of applications and industries such as our UV glue curing lamps that offer patent-protected, OEM-oriented solutions. Please contact us to learn more about our large selection of specialty custom and standard lamps.

UV Ink Curing Systems Provide Quick Effective Results

UV Ink Curing Systems are specialty machines and equipment that use UV light to cure inks, adhesives or coatings onto various substrates. When UV light is used at the proper wavelength, or nanometer (nm), and exposed to the specialty inks or coatings, a photochemical reaction occurs instantly drying the ink. This UV curing occurs very quickly, providing a strengthened outer coating with a uniform finish.

Medium pressure UV (MPUV) lamps in the wavelength of 367nm to 400nm are extremely efficient in curing specialty inks, adhesives, bonds and coatings (varnishes, glazes and lacquers). The LightSources Group provides UV lamps in the most effective wavelength for your application.

How UV Ink Curing Systems are Used

UV ink curing is used in many different commercial and industrial applications, providing an effective and efficient way to dry or cure inks during manufacturing processes. For example, UV ink curing systems are used in screen printing machines providing an instant print and cure process all in one. These sophisticated systems use vacuum systems to hold substrates in place while providing an all over 360° UV cure of flat or cylindrical products in many shapes and sizes.

UV lamps are used in curing systems for various industrial applications, curing inks, adhesives and coatings in manufacturing processes around the globe. Medium pressure UV lamps can be used to cure coatings on various substrates, including plastic, glass, metal and wood. Parts can be passed under UV lamps while on a conveyor, moving from one work station to another, while receiving a very important curing process along the way.

This efficient process eliminates the need for a labor intensive ink curing station, allowing high power UV lamps to do perform a vital finishing process.

Where are UV Curing Systems Used

UV ink curing systems are used in a wide array of commercial and industrial applications, providing a very effective curing process with maximum efficiency. Some industrial applications for UV ink curing include:

• Marketing – any type of printing on either flat or cylindrical products for target marketing and brand awareness
• Packaging – quick drying of labeling on various packaged products including corrugated, plastic and glass
• Automotive – UV ink curing provides instant drying of interior automotive components such as knobs and buttons
• Aerospace – quick and effective curing of inks and adhesives create durable components
• Medical – UV curing provides drying and disinfection in pharmaceutical and medical applications
• Consumer Electronics – used for drying and adhesion in parts and components such as circuit boards, interior and exterior parts
• Adhesive Bonding – used in several industrial applications
• Instant curing of coatings such as varnishes, lacquers, glazes, and inks

LightSources has extensive experience providing superior UV lamps for all UV ink-curing systems used in virtually any application. With in-depth knowledge of low-pressure, medium, and high-pressure UV radiation, our expert engineers are sure to provide you with the proper UV lamps for your application.

Benefits of UV Ink Curing Systems

There are many benefits of using UV ink curing systems over other methods such as heat curing, which can create noxious fumes and require expensive exhaust systems. UV systems are less expensive to maintain than other systems. With high-performing UV lamps from LightSources, you will see a quick return on your investment, with long-lasting cost-efficient savings.

The photochemical reaction with UV curing happens so quickly there is minimal evaporation resulting in a consistent surface finish, compared with air and heat drying which allows for evaporation jeopardizing part integrity. UV curing contributes to a superior quality product, satisfying customer specifications.

MPUV lamps by LightSources are ideal for high-speed production runs, where UV radiation of higher intensity is required for short exposure times. Our lamps operate with more power, producing high currents for greater output.

The LightSources Group provides industries worldwide with high-performance UV lamps used in a multitude of applications including UV curing and UV germicidal lamps used for air, water and surface disinfection.

LightSources and our affiliated companies represent the leading high-tech designers and manufacturers in the lamp industry today. Our products are used world-wide in a multitude of applications and industries such as our UV ink-curing system lamps that offer patent-protected, OEM-oriented solutions. Please contact us to learn more about our large selection of specialty custom and standard lamps.

 

 

Light Therapy for Psoriasis is Proven Effective

Originally posted at: https://www.light-sources.com/blog/light-therapy-for-psoriasis-is-proven-effective/

Light therapy for psoriasis is proven to be an effective method of treatment. Psoriasis is a disease that causes red, scaly patches which appear raised on the skin typically on the scalp, knees and elbows. This bothersome skin condition is an immune-mediated disease that can be associated with other serious health conditions such as depression, heart disease and diabetes. You should see your doctor if you develop a persistent rash that is not helped with over the counter medication.

The exact cause of psoriasis is not known, although we do know that it is a disease caused by the immune system. Genetics are also a known factor in the development of psoriasis. In people with psoriasis the skin cells grow abnormally fast which leads to the buildup of skin lesions. Both women and men develop psoriasis at the same rate with something usually triggering a flare up. Psoriasis can develop at any age although usually shows first signs within the age range of 15 to 35.

Psoriasis is diagnosed by a dermatologist or other medical provider after an examination. Your doctor may conduct a biopsy of the affected skin under a microscope, which will present as inflamed and thicker than normal skin and eczema. While conventional treatments provide some relief to patients, phototherapy lamps are providing relief with proven results.

Light Therapy for Psoriasis Treats Different Types

Light therapy for psoriasis on effective the varying types of this skin condition. You should learn which type of psoriasis you have to help determine the best treatment. Your doctor can prescribe the best course of action, which may include phototherapy with a specialty UV lamp. The five types of psoriasis include:

Plaque Psoriasis – this is the most common type of this skin condition with red patches of raised skin that are often painful and itchy, showing most commonly on the elbows, knees, lower back and scalp.

Guttate Psoriasis – this form of psoriasis usually first appears in childhood or as a young adult as small, dot-like lesions and may be triggered by a strep infection. After plaque psoriasis, this is the second most common type.

Inverse Psoriasis – this type of psoriasis appears in folds of the body such as the groin, armpit and behind the knee appearing as smooth, shiny skin.

Pustular Psoriasis – this type appears as white pustules or blisters surrounded by skin. The pus consists of white blood cells and is not contagious. This appears mostly on the feet and hands but may appear anywhere on the body.

Erythrodermic Psoriasis – this is a severe type of psoriasis leading to fiery red skin spread out over most of the body, leading to the skin coming off in sheets and causing severe pain and itching. It is the rarest of the of types with only 3 percent of people suffering with psoriasis having this type. It typically appears on patients with unstable plaque psoriasis. This form can be life threatening during a flare up and patients should seek medical attention immediately.

Light Therapy for Psoriasis Treatment

Phototherapy with UV lamps to treat psoriasis expose the skin to UV light under medical supervision on a consistent basis. A UV lamp for psoriasis is not the same thing as using a tanning bed, in fact it can be quite harmful and make symptoms worse as the wavelength of UVA and UVB are not the same as in a specially designed phototherapy lamp.

There are different types of light therapy to treat skin conditions such as psoriasis, which include:

• Ultraviolet light B (UVB)
• Sunlight
• Psoralen + UVA (PUVA)

UVB Phototherapy for Psoriasis

UVB is present in natural sunlight and proven to be an effective treatment for psoriasis. UVB treatment is administered either at home under a doctor’s direction or in a medical setting. If administering light therapy for psoriasis from home, it is critical to follow your physician’s orders and maintain follow up visits. UVB wavelengths penetrate the skin in either a broad band or narrow band. Narrow band UVB releases a narrower, or smaller, range of UV light.

Your doctor can help to determine which type of UVB wavelength would be best for your skin. Patients may experience initial irritation which should lessen with continued exposure. UVB may be combined with systematic agents or topical medications to increase the effectiveness. UVB phototherapy may administered in various way which include small lamp units for localized treatment to feet, hands or specific areas or a full body unit.

The proper type of UVB lamp must be used for effective treatment without causing damage and irritation to the skin.

Sunlight

Both UVA and UVB are found in natural sunlight, although UVB works best to treat psoriasis. If attempting to improve psoriasis with natural sunlight therapy, short bursts of exposure are recommended for 5 to 10 minutes at noon daily. All areas should receive equal exposure and sunscreen should be worn to prevent damage and worsening of conditions. Patients should continue to see their doctor to check for improvement or damage from the sun. Improvement in symptoms may be seen in several weeks. Patients taking medication to enhance light sensitivity such as Psoralen should avoid prolonged exposure to the sun unless under a doctor’s care.

Psoralen with UVA (PUVA)

UVA is present in natural sunlight along with UVB, although UVA is generally not as effective in treating psoriasis without the use of a mediation to enhance light sensitivity. Psoralen is administered by a doctor either orally or topically and helps to slow down the excessive growth of skin cells which helps to clear symptoms. PUVA treatment is most effective on plaque psoriasis in stable condition, guttate psoriasis and symptoms appearing on the feet and hands.

LightSources Offers UV Phototherapy Lamps for Psoriasis

LightSources is a leading global supplier of UV lamps and lighting solutions to a wide range of industries and applications. We offer decades of experience and lighting engineers with in-depth understanding of UV technology. LightSources and our valued European partner, LightTech, are committed to continual research and development to deliver first to market, patented products which outperform the competition with effectiveness, long lasting high performance and cost saving energy efficiencies.

We understand the technology that goes into every UV lamp offering custom designed lamps with specific wavelengths derived from custom blend phosphors. LightSources assists OEMs and manufacturers with developing proprietary products to increase their own brand awareness. When you need lamps or lighting solutions for any purpose, including phototherapy lamps to treat various conditions, contact the lighting specialists at LightSources.

UVC Robot: Autonomous Virus Killer on Wheels

Originally posted at: https://www.light-sources.com/blog/uvc-robot-autonomous-virus-killer-on-wheels/

Ultraviolet radiation in the UVC range is known for killing viruses, bacteria, and harmful pathogens in many applications. You can find UVC germicidal lamps in disinfection systems worldwide used to kill viruses and bacteria in water, in the air, and on surfaces. UVC disinfection lamps are mounted in various disinfection systems, like water treatment plants, air purification systems, and industrial machines.

With advances in technology and robotics, UVC germicidal solutions are available in many forms of automatic UVC robots. These UVC robots can roam indoors and outdoors, killing viruses and bacteria almost instantly. UVC germicidal lamps are proven to kill most infectious microorganisms in seconds and eliminate difficult-to-treat pathogens like Methicillin-resistant Staphylococcus aureus (MRSA) or vancomycin-resistant enterococci (VRE) in minutes.

UVC Robots Beneficial in Many Environments

UVC robots are now popping up in many places such as hospitals, office buildings, shopping malls, libraries, and airports. Outdoor disinfection robots can be found on school campuses, industrial parks, and many other public gathering areas. These disinfection robots can be programmed to spray a disinfectant and also emit powerful UVC radiation at the precise wavelength of 254 nm, proven to have the most germicidal effectiveness.

The benefits of these autonomous robots are clear:

• No labor required – UV disinfection robots can disinfect a large area with no labor required. They can run for 24 hours continually and even head back to their charging station when needed.
• No infectious disease exposure to humans – while the robots are disinfecting an area, human employees such as nurses in hospitals are not exposed the superbugs that may be lingering in the room.
• Effective germ-killing ability – UVC robots are proven to eliminate most viruses and bacteria and even hard-to-treat pathogens which pose serious risks when exposed to humans.
• Safe when used without people in the room – UVC robots are set up to enter hospital rooms or other areas when vacant to avoid UV exposure to humans. They can be controlled remotely and programmed to shut down if movement is detected.

Proven Effectiveness of UVC Radiation in Hospital Rooms

According to a study in Infection Control & Hospital Epidemiology, UVC devices effectively eliminated bacteria on contaminated surfaces both in the line of sight and also behind objects. UVC radiation was 99.9% effective in reducing the counts of vegetative bacteria on surfaces within 15 minutes and was also proven 99.8% effective in reducing superbugs and C. difficile spores within 50 minutes.

UVC robots and UV germicidal devices are only as powerful as the quality of UVC germicidal lamps installed on the systems. Using high-quality UV germicidal lamps is key to achieving maximum germicidal effectiveness.

LightSources Provides UV Lamps for UVC Robots

LightSources is a valued supplier to OEMs worldwide of high-tech, high-quality UV lamps including a wide selection of UVC germicidal lamps and components. Our UV disinfection lamps include many variations of the most effective types of germicidal lamps:

Low-Pressure Mercury Lamps – low-pressure mercury lamps support a wide range of germicidal applications with seven various types of lamps including:

• Standard quartz
• High output quartz
• Compact quartz
• GU lamps
• Standard softglass
• High-output softglass
• Compact softglass

Standard low-pressure mercury lamps provide the greatest efficiency, converting 40% of the lamp’s electrical power into UVC radiation at precisely 254 nm. High-output mercury lamps deliver twice the UVC output. Softglass lamps can operate on a lower current and provide high efficiency. Low-pressure mercury lamps also provide long-lasting effectiveness at up to 13,000 hours of operating life.

Low Pressure Amalgam Lamps – amalgam germicidal lamps can operate over a broader range of temperatures making them ideal in air or water applications that experience fluctuating temperatures between 4 – 40°C. Amalgam UV germicidal lamps by LightSources provide three times the UVC output over standard lamps of the same size. Our UV lighting engineers offer the ability to custom design amalgam lamps to meet your needs such as higher temperature requirements or compact space requirements. Our amalgam lamps provide value with reduced maintenance expenses and a long operating life up to 16,000 hours. We provide spot and pellet amalgam technology with proprietary technology that delivers higher efficiency even in power-dimming conditions.

Medium Pressure Ultraviolet Lamps (MPUV) – MPUV lamps are commonly used in curing inks and polymers although have been found to be very effective in many germicidal applications. MPUV lamps are found in water disinfection and air purification systems. LightSources offers a wide selection of MPUV lamps varying for 100 watts per inch (wpi) to 700 wpi designed with custom phosphor blends to achieve specific wavelengths to match your application needs. We engineer your germicidal lamps to meet specific OEM requirements.

Quartz Sleeves – Quartz sleeves protect lamps from breakage, leakage, air and water flow, and temperature fluctuations without affecting efficient operations. LightSources offers domed type and open-ended quartz sleeves engineered with only high-quality material.

Electronic Ballasts – Our electronic ballasts provide many advantages such as the ability to operate on multiple supply voltages with insensitivity to variations in line voltage. Our ballasts provide high power and high efficiency with a lightweight design.

The Various Uses for UV Light

Originally posted at: https://www.light-sources.com/blog/the-various-uses-for-uv-light/

The uses for UV light include a broad range of applications in commercial, industrial, and healthcare settings. Ultraviolet (UV) light is separated into three basic categories of UVA, UVB, and UVC based on the nanometer or wavelength of UV emissions. UVC light is the shortest wavelength emitted by the sun and is mostly absorbed by the ozone layer.

· UVA light is between 315 to 400 nm

· UVB light is between 280 to 315 nm

· UVC light is between 100 to 280 nm

UV technology allows for lighting engineers to replicate UVC radiation which provides highly effective disinfection properties. UV lamps provide germicidal effectiveness in many applications along with a host of other purposes and uses in a wide range of industries worldwide. Some of the most common uses of UV light include:

Illumination – of course the original purpose of lamps is to illuminate, with UV lamps offering energy efficient, bright light in many industries such as manufacturing, clean room production, quality inspection and many other applications which require a well-lit environment.

Lighted signs – lighted signs are required for many purposes like illuminating emergency exits in public places and for marketing and brand awareness purposes. LightSources and our valued partner Voltarc provide fluorescent and neon lighting solutions with decades of experience in custom designed solutions.

Backlighting – UV lamps provide backlighting to the avionics and aerospace industry, providing reliable lighting in airplane cabins and cockpits. LightSources and our valued partners offer experienced backlighting solutions with high-quality UV lamps designed for backlighting found in many demanding industries including the NASA space shuttle.

UV curing – used in many manufacturing applications, UV lamps for curing of inks, coatings and finishes provides a strengthened outer coating. Adhesives, varnishes and lacquers cured with UV lamps are more durable and last in demanding environments such as industrial, automotive, and aerospace applications.

Tanning – UV lamps are the core technology in tanning salons, offering clientele a way to enjoy a sun-kissed look from man-made technology. LightSources offers many benefits to the tanning industry with the introduction of proprietary technology designed strictly to improve tanning performance and safety.

Phototherapy – UV lamps provide many medical benefits for a host of conditions such as skin diseases including acne, jaundice, psoriasis, eczema and other conditions like seasonal depression.

Germicidal – UVC germicidal lamps are designed to replicate UVC radiation which is proven to have immense sterilization and disinfection properties. Today, germicidal UVC light applications are the first choice for many industries worldwide that require water, air or surface sterilization.

Germicidal UVC Lamps and Applications

Air – UVC germicidal lamps are used in air sterilization systems including upper room ultraviolet germicidal irradiation (UVGI) systems and can also be placed in HVAC systems to sterilize the air as it runs through HVAC systems while also preventing mold and mildew on cooling coils. UV air sterilization systems can be used just about anywhere and are especially helpful in public places like hospitals, schools, libraries, airports, and anywhere people congregate with limited ventilation. UV air sterilization is important and hospitals to improve the health of people with respiratory illness like asthma and prevent the spread of hospital acquired infections.

Water – UV lamps also provide a safe, efficient way to treat water without the need to use harmful chemicals that create pollution in rivers, oceans and other bodies of water. UV lamps are cost-effectively used for water purification in water reclamation, waste water, drinking water, industrial and commercial process water, pool and spa, aquaculture and life sciences applications.

Surface – UV surface sterilization is highly effective as a valuable tool in many industries and environments. Hospitals use UV sterilization to disinfect surgical equipment in patient rooms. Surface sterilization is important in restaurants and commercial kitchens as well as public places such as airports, bus stations and public transportation systems. UV lamps significantly improve a sterile environment in hospitals and help to prevent the spread of disease.

Food Industry – UV germicidal lamps provide many benefits to the food and restaurant industries, with food irradiation a highly effective and safe method of food treatment approved by the FDA. Food irradiation prevents early spoiling of various foods, prolonged shelf-life, preserves nutritional value and helps to eliminate foodborne illnesses like E. coli and salmonella. UVC lamps can prevent viruses from accumulating on food preparation surfaces and in dining areas and restaurants. UV germicidal lamps provide a host of benefits to the restaurant food industry and can be used in water, air and surface applications.

UV Lamp Suppliers for the Many Uses of UV Light

LightSources and our valued partner LightTech are premier light bulb suppliers in the industry. We produce UV lamps for virtually any application, with proprietary, first to market UV technology designed to prolong lamp life and extend lamp effectiveness.

All of our UV germicidal low pressure, medium pressure and high pressure ultra-violet lamps are designed to be energy-efficient as well as long-lasting. Please contact us to find out how UV light can provide a solution for your application. We offer high-quality standard lamps and components as well as specialize in customizing the best solutions to meet our partner’s unique needs.

UV Light Robots Effective in Fight Against Virus Infection

Originally posted at: https://www.light-sources.com/blog/uv-light-robots-effective-in-fight-against-virus-infection/

UV light robots utilizing UVC germicidal lamps are in high demand in the fight against the spread of harmful bacteria and viruses, including the SARS-CoV-2 virus that causes COVID-19. Ultraviolet (UV) radiation emitted in the UVC wavelength is proven to have highly effective germicidal properties, quickly eradicating harmful pathogens on surfaces, in water and in the air.

UV Light Robots: The Future is Now

UV sterilization systems have been utilized for decades such as in air treatment systems, water treatment plants, and many other applications where UV lamps are installed to disinfect surfaces. It is not unusual to see UV lamps in HVAC or wall mounted air treatment systems or positioned to sterilize surfaces such as medical and surgical equipment. Seeing a UVC robot roam the halls of public places, however, may seem like a scene out of a science fiction, futuristic movie.

Thanks to advances in technology and several studies verifying the effectiveness of UV lamps to kill the SARS-CoV-2 virus, the future is now with UV light robots gaining in popularity to disinfect surfaces in many different environments. Autonomous robots with UVC germicidal lamps installed to emit UVC radiation in all directions provide an effective tool to eliminate tough viruses and bacteria that manual cleaning procedures may have missed. UVC robots operate without humans present and can use sensors to detect motion to shut down if people are near. They can navigate rooms, hallways and find their way back to charging stations, all without being on the payroll or taking a lunch break.

UVC Robots a Common Sight in Many Environments

UVC light robots are becoming a common sight in many environments as people and businesses worldwide take proactive steps to reduce the spread of COVID-19. Hospitals and medical facilities are the main driver in the increased use of UVC robots although many other industries and environments are taking notice and using the same technology to protect their staff and the public.

Hospitals are known to be a source of infection with medical staff and administrators focused on preventing hospital acquired infections (HAIs) through meticulous sterilization procedures. Disinfecting hospital rooms where patients had a serious illness such as COVID-19 or any type of superbug like antibiotic-resistant bacterial infections is critical to protect all hospital patients and staff. UVC germicidal lamps have long been used in hospitals and medical facilities and are increasing in use in other environments.

UVC disinfection lamps and UV light robots are helping to protect people with effective sterilization in many industries and environments including:

· Hospitals and medical facilities

· Schools and college campuses

· Public stores and shopping malls

· Office buildings and manufacturers

· Restaurants and kitchens

· Libraries

· Public transportation systems

§ Buses and bus stations

§ Trains and train stations

§ Airplanes and airports

UV light robots can be programmed to enter hospital rooms after manual cleaning procedures and significantly improve effective disinfection rates. UV disinfection is effective in a wide range of water, air and surface sterilization applications.

Effectiveness of UV Light Sterilization

According to a recent study by the National Institutes of Health, UVC disinfection robot, the effectiveness of UV light sterilization depends on several environmental factors such as surface topography, relative humidity, temperature, pH, organic load and other chemical compounds present. UVC germicidal lamps and UV light robots are proven 99.99% effective in reducing counts of vegetative bacteria within 15 minutes, including stubborn superbugs like MRSA, and even tougher pathogens like C. difficile within 50 minutes.

Since the COVID-19 pandemic began in 2020 several studies have been conducted on the effectiveness of UVC light to kill the SARS-CoV-2 virus, with highly effective eradication of the virus comparable to other coronaviruses. Severe Acute Respiratory Syndrome, also known as SARS, and Middle East respiratory syndrome (MERS) are both in the same coronavirus family. UVC light is proven effective at eliminating these coronaviruses as well as SARS-CoV-2, according to many recent research studies such as Upper-room ultraviolet air disinfection might help to reduce COVID-19 transmission in buildings: a feasibility study from October of 2020 by the National Institutes of Health (NIH).

UVC Germicidal Lamps for UV Light Robots

LightSources is a leading global supplier of UVC germicidal lamps for UVC light robots, offering a wide selection of high-quality germicidal lamps and custom engineering support. Our engineers possess deep technical knowledge of UV radiation and designing custom phosphor blends to meet your exact specifications. Our germicidal UVC lamps are proven in surface, water, and air sterilization applications, developed with proprietary technologies such as LongLife+™ and Shatter ProTech. LongLife+™ is a specialty coating that increases lamp life up to 16,000 hours, Shatter ProTech provides shatter resistance and protection from mercury contamination.

Our UV germicidal lamps include:

· Low Pressure Mercury Lamps

· Low Pressure Amalgam Lamps

· MPUVC germicidal lamps

· UV Quartz sleeves

· UVC Ozone lamps

· Custom bases and sockets

· Electronic Ballasts

Far UVC Lamps: Safe and Effective

Far UVC lamps are ultraviolet lamps designed to emit wavelengths in a range of 222 nanometers (nm) as opposed to the typical range of standard germicidal 254 nm UV lamps. There is an increase in Far UVC light technology interest and accessibility with research showing an effective sweet spot to kill germs with people present.  Healthcare facilities and practitioners are discovering the benefits of far UVC light with increased safety and high efficacy.

Far UVC 222nm lamps with the right lamp design can prevent the emission of the longer and more harmful wavelengths, providing the same effectiveness in killing viruses, bacteria, and antibiotic-resistant bacteria.

Far UVC Lamps are Increasing in Usage

UVC lamps have been used for decades as scientists have known that UVC radiation rapidly and effectively kills bacteria, viruses, and microbes. UVC lamps have been shown to effectively eliminate up to 97.7% of harmful pathogens in hospital operating rooms as reported by Technology Networks and many other proven scientific studies.

So why would health practitioners or other users of UVC disinfection technology want to make the switch to Far UVC lamps? Far UVC lamps offer increased safety over standard 254 nm UV lamps without jeopardizing effectiveness.

Increased Safety with Far UVC Lamps

Conventional UVC germicidal lamps are effective at eliminating harmful pathogens in the air, in water, and on surfaces, although they cannot be used in occupied spaces due to potential health hazards. Standard 254 nm UVC germicidal lamps are known to be dangerous to human skin and eyes, making it important that those UV germicidal systems be closed systems with protection mechanisms.  People should also wear proper personal protective equipment (PPE) when servicing or installing traditional UV disinfection systems.

Far UVC lamps, on the other hand, emit shorter wavelengths that significantly reduce the risk of human exposure, and some experts might even suggest that risk is reduced to zero.  This allows for Far UVC light disinfection systems to run constantly without causing harm as opposed to traditional UVC lamps that can only operate in unoccupied spaces.

Far UVC Light Disinfection Effectiveness

Far UVC light at 222 nm allows for safe, continual disinfection and is highly effective at deactivating and destroying pathogens. Far UVC lamps in line of sight disinfection systems can destroy airborne pathogens at the speed of light. According to an article published at UVReporter.com, far UVC light deactivates and destroys pathogens. 254nm light is proven highly effective at inactivating pathogens, although in some cases those pathogens could be reconstituted through a photoreactivation process. Far UVC light is known to deactivate and destroy many pathogens including bacteria, viruses, fungi, protozoa, mold, and other harmful microorganisms.

While far UVC technology has not had the extensive research that traditional UVC wavelengths have had, several studies do suggest that far UVC radiation at 222 nm is effective at destroying a wide range of harmful pathogens. This includes viruses such as influenza, (H1N1), alpha and beta coronaviruses, including the SARS-CoV-2 virus that causes COVID-19, and adenovirus, according to a scientific report, Far-UVC light: A new tool to control the spread of airborne-mediated microbial diseases. 

In another recent study published in March 2022, Far-UVC (222 nm) efficiently inactivates an airborne pathogen in a room-sized chamber, scientists at several different universities came together to test the efficacy of far UVC light in a large room-sized chamber with a ventilation rate the same as a typical office or home, which is about three air changes per hour. The experiment included continuously spraying an aerosol mist of S. aureus bacteria into the room, a microbe that is slightly less sensitive than coronaviruses to far UVC light to provide a conservative model. Far UVC lamps were turned on in commercially overhead systems and in just five minutes, 98% of the airborne microbes were inactivated even though they were continually being sprayed into the room.

This same study verified the high efficacy of far UVC lamps which is often measured in terms of equivalent air changes per hour, with this study producing an equivalent of 184 air exchanges per hour. This far exceeds other approaches to disinfecting occupied spaces indoors where an equivalent of 5 to 20 air changes per hour is typical.

A Future for Far UVC Light

Given the safety and efficacy of far UVC light at 222 nm, the future looks bright for increasing the usage of far UVC lamps which can provide disinfection of the air with any excess radiation extending to disinfecting surfaces. This provides a big advantage of far UVC technology over traditional 254 nm UV lamps.