China shenzhen yuanming co., ltd Company News

Long LED UV System Lifetime   Solid-state Light Emitting Diodes (LEDs) produce light when an electrical current flows from the positive (anode) side to the negative (cathode) side. Like other solid-state devices, LEDs offer a long lifetime if used properly. If engineered correctly, these semiconductor devices last beyond 20,000-30,000 hours of operating time unlike traditional UV lamps. Traditional lamps produce light by generating an electric arc inside an ionized gas (typically mercury) chamber to excite atoms, which then decay, emitting photons. Additionally, the European Commission (EC) through its Restriction on Hazardous Substances (RoHS) guidelines has continually monitored the rapid progress of UV LED’s capability. Many in the industry predict the EC will begin limiting traditional lamp usage, starting first with smaller systems then working towards larger systems in ensuing years .Combining energy generation of today’s UV LED light sources and the right formulation of UV curable resins, photoinitiators, and additives, it is possible to surpass current process capabilities for a variety of applications. UV LEDs are one small, though important, part of a UV light source, but the rest of the system must also be taken into account when discussing the lifetime. This includes the internal control circuitry plus the cooling system to ensure the LEDs remain within their operating specifications, as well as the housing to protect the LEDs from environmental factors. Yuanming’s patented and proprietary systems use thermal management, sealing techniques, optical enhancements, and control circuitry to maximize performance without sacrificing lifetime. UV LED Technology Benefits   Factors Affecting LED Lifetime Two major factors that affect the lifetime of LEDs are temperature and current. As LEDs convert electricity into light, heat generates within the p-n junction, known as the junction temperature. For a diode to achieve maximum life expectancy, the junction temperature has to remain in a safe operating zone. The UV Power output of a diode increases with input current but decreases with junction temperature. At any fixed input current, the cooler the junction temperature remains, the more UV output the diode will provide.     LED End of Life Characteristics The normal ‘failure mode’ of an LED is gradual degradation of the light output. Many commercial LED lighting systems define failure at 70% of the original operating output, also known as L70. Yuanming lamp sources are designed to ensure an L80 lifetime (80% of original output) of at least 20,000-30,000 hours, but have shown to provide L80 at as much as 40,000 hours. 

CHINA PRINT 2025 Date May 15 - 19, 2025 Booth# B5-288 Address China International Exhibition Center (Shunyi Hall), Beijing China   Join Excelitas at the China Printing Exhibition, a global hub for UV printing curing innovation and technology, showcasing the latest curing effects. Welcome to our booth B5-288 to explore our uV LED curing system, showcase high-quality UV curing products, and find high-quality partners.

When it comes to improving indoor air quality, a UV Light Module is an effective and affordable way to eliminate mold and mildew, kill viruses and bacteria, and reduce odors. uv light module The best part is that this technology can be added to your HVAC system, making it easy for everyone in your home or business to enjoy the benefits of clean, healthy air. However, installing UV Light Module in your system isn’t a DIY job and you should have it done by an HVAC technician to ensure it works correctly and doesn’t damage your eyes. Another great feature of this UV Light Module is its ability to be used with the included dosimeter cards to determine how much light is needed for your specific application. UV Light Module means you can avoid overusing your UV Light Module and help your budget by determining the correct power level for your curing process. Additionally, you can use the dosimeter cards to help you track your UV exposure levels throughout the day. This uv light module also has several other helpful features, including an occupancy sensor and a WiFi-enabled timer that lets you control the unit via a mobile app. You can set the timing and activate the light remotely, giving you the flexibility you need to keep your establishment sanitary and safe at all times. In addition, the device can be set to delay activation until the last staff member leaves the workplace so that you don’t expose any employees or customers to harmful UV rays.

How to Increase the Efficiency of LED UV Led uv is a type of printing technology that uses UV rays to create images on a variety of different materials.led uv It is a versatile technique that is perfect for many different applications. In addition to its versatility, led uv is also energy efficient and environmentally friendly. Unlike traditional printing technologies, LED UV does not produce any heat, making it safe to use in most environments. This makes it a great choice for commercial and industrial settings. LEDs have the potential to replace traditional UV lamps in many applications.led uv They are smaller, more compact, and consume less power. Additionally, they do not require any warm-up time and turn on instantly when switched on. They also do not contain mercury, which can be harmful if released into the environment. As a result, LEDs are a safer alternative to mercury vapor lamps for water purification systems. In addition to their superior safety features, LEDs have a lower operating cost than other UV sources.led uv They also have a longer life span than traditional bulbs. This is important for any business that wants to save money and reduce maintenance costs. LEDs are a great alternative to mercury vapor lamps and are an excellent choice for any UV curing application. Currently, LEDs in the 280 nm +-5 nm wavelength range have a relative wall plug efficiency (WPE) of 4.led uv 1% and an external quantum efficiency (EQE) of around 6.1%. The WPE is a measure of the amount of energy that is converted to light. The EQE is the percentage of the input electrical power that is turned into radiation.led uv The higher the EQE, the more efficient the LED is. However, the EQE of an LED depends on a number of factors including the manufacturing process, device geometry and packaging material. In order to improve the EQE of UV LEDs, a number of strategies have been explored. One method that has been successful is to use a silicon-nitride substrate with p-type and n-type layers.led uv The p-type layer is formed with a high concentration of Al, while the n-type layer is made of SiN. This combination provides an effective band-gap of 3.4 eV and a low Schottky barrier height. Another way to increase the EQE of UV LEDs is to reduce the thermal resistance of the device.led uv This can be achieved by using a thermally conductive epoxy and reducing the contact surface area. It is also possible to use a hemispherical lens on the LED die to eliminate the recombination defect in the p-type layer. In addition, it is important to use a low refractive index packaging material such as PDLC. Tags:405 uv led module 3d printer | 405nm uv led module 3d printer

Custom UV LED Sign Custom uv led sign are an excellent way to add a unique touch of personality to your home.custom uv led sign Whether you're looking for a light that illuminates your initials, your nickname, or even your favorite bar sign, these lights can bring an entire room to life with their vibrant glow. They also make a great gift for that special someone in your life! The best part about our custom UV LED Sign is that they come in a variety of shapes, sizes, and colors to match any interior design scheme.custom uv led sign Whether you're decorating your bedroom, kitchen, or even the office, these lights are sure to brighten up your space with their unique glow. There are many ways to create braille signage - laser and rotary engraving, photopolymer, cast metal, or raster Braille (spheres/beads inserted into drilled holes). But these processes take a lot of time and can be expensive, especially for large orders. Using a flatbed UV printer to create braille signage can be fast, cost-effective, and highly effective - especially when you add in-house production capabilities for ADA-compliant signs. One of the most popular applications for UV printing is creating ADA-compliant signage. With direct-to-substrate UV printing, custom UV LED Sign fabricators can easily print second-surface graphics and logos as well as grade 2 braille lettering. This can save a great deal of time over traditional methods of creating ADA signage, such as adding raised pictograms to existing signs. Another reason why UV printing has become a popular option for ADA signage is that it can actually save fabricators money in the long run. Because the printing process occurs directly on the substrate, there is no need to apply additional materials such as a top laminate or glass covering. This reduces overall sign fabrication costs and allows shops to offer their clients a more budget-friendly option. In addition to saving money on materials, UV printing also makes it easier for fabricators to produce ADA signage quickly. Using the direct-to-substrate method, it is possible to create a 6x8 sign with a full ADA-compliant display in less than four minutes. This means that sign fabricators can meet deadlines and keep their clients happy by delivering their services on schedule. These custom UV LED Sign are available in a wide range of designs to complement your space, from quirky cartoons and sophisticated patterns to bold statements and evocative images. Each piece in our UV Collection has a story, a vibe, and a glow that stands out. Whether you're looking to elevate your contemporary home or add an edgy look to your office, these neon signs are the perfect solution to transform any space into a work of art. Tags:uv led module 45w | beads uv led module | quartz uv led chip

Benefits of Using a UV LED Lamp for Printer The global printing industry is worth almost a trillion dollars and growing rapidly.for uv led lamp for printer uv But traditional print equipment based on mercury lamps is losing share to new digital UV LED printers. A key reason for this is the much lower electricity consumption of UV LED systems.for uv led lamp for printer uv Like for like a full-width UV LED array only uses about half as much power to operate as a metal halide lamp at the same output level, with the remainder going to the output control circuitry and cooling fan. And of course LED arrays generate no heat and produce no ozone, so there is also less need for ventilation. It's even possible to use much smaller LED arrays.for uv led lamp for printer uv This makes the total footprint of a machine much smaller and it is becoming common for manufacturers to fit them into their new wide format printers without major modification. For example, Integration Technology Ltd in the UK launched a new range of lamps at FESPA this year that are just a direct replacement for their existing mercury lamp units used on head carriages in wide format printers. As well as consuming significantly less power, LEDs don't heat up the printed substrate or the media so it is possible to use heat-sensitive materials that would be impossible to print with mercury lamps.for uv led lamp for printer uv This opens up many new revenue opportunities for commercial printers and can reduce costs for converters who have to buy expensive heat-resistant film or paper stocks. Another benefit of using LEDs is that the printers do not need to run at high speeds, which helps to keep the power consumption down.for uv led lamp for printer uv And fewer start and stop cycles of the LED lamps increases their service life, which in turn reduces maintenance cost over the lifetime of the machine. Industrial UV LED curing uses water-based inks and adhesives, which are free of solvents and eliminate the release of volatile organic compounds (VOCs). This can greatly reduce environmental impact compared to conventional inks and adhesives. Unlike traditional mercury arc lamps, which operate at full power all the time, LEDs are more efficient at varying output levels and so can be operated at a lower voltage, further reducing energy use. They can be used to cure non-porous surfaces and even 3D objects, with the help of special optical systems that disperse the energy over a larger area. The low operating and maintenance cost of UV LEDs enables printing companies to increase productivity and profitability without having to invest in new machinery. They can also operate in remote locations where access to power is limited or unavailable. And because they don't emit infra red or radiant heat, LEDs are a good choice for use with heat-sensitive materials, such as vinyls and films, that can buckle or warp when exposed to normal mercury arc curing light. Tags:imitation lumen led uv chip

What Are the Basic Terms Used in the Printing Industry? When most people think of printing, books and newspapers are the first things that come to mind.for printing But there is much more to printing than just these paper products.for printing In fact, the printing industry produces a wide variety of products including brochures and flyers, business cards, letterheads and envelopes, posters and maps. There is even a large amount of printing on packaging and shopping bags, as well as financial instruments such as checks, money orders and stock certificates. Printing is a process for reproducing text and images from a master form or template on to a paper substrate.for printing It is the most common way for information to be reproduced, but it can also be used to create other materials such as plastics, rubber, and glass.for printing One of the most important advances in printing was the development of movable type.for printing This allowed characters to be carved on to wooden, clay or metal blocks which could then be grouped together to produce entire pages of printed text.for printing This allowed for a more efficient and rapid production of publications than had been possible before. The use of a special ink to give printed material a gloss finish.for printing Typically, it is a quick-drying oil-based ink that has low penetration qualities. It is commonly used on coated stocks. A term referring to the ability of a document to be printed at various sizes without losing quality or resolution.for printing The term can also refer to the number of dots per inch (DPI) that a digital image is produced at. A higher DPI usually means a clearer and sharper image. In the printing industry, the process of converting digital files into a form that can be printed on an offset press (plate).for printing The modern variation on this is digital prepress which skips the film stage altogether and allows the images to go directly to the plates, which can reduce time, produces a better image and saves expensive film charges. A type of paper with long grain that runs parallel to the longest edge, which can produce sharper and more evenly printed images than short-grained papers.for printing It is often used for photographs, covers and high-end brochures. The edge of a sheet that is held by grippers on the sheetfed press, and thus goes first through the press.for printing This is also called the feeding edge or leading edge. Using a computer program to impose page numbers or other data onto a layout before printing.for printing It is an efficient way to check for errors and avoid mistakes before going to press. A way to enlarge an image or text so that it is the same size as other text or artwork, thereby eliminating any white borders.for printing This is usually done by using the CTRL + P keyboard shortcut in Windows, or Command + P on macOS, to bring up Reader View. Then click or tap on the printer button in Reader View to begin printing. Apple’s Safari browser also has a built-in Reader View. Tags:for uv led curing | inkjet printing | uv curing systems for printing

The ability to light cure resin-based restorative materials has revolutionized dentistry over the years.led light curing machine For a light-cured restoration to function and maintain its integrity as intended, it must receive sufficient light energy at the proper wavelength to trigger the material’s photoinitiator. Clinical variables such as curing tip distance, exposure time and the surface on which the restoration is placed can impact the effectiveness of light curing. With a narrow, focused energy spectrum and superior performance characteristics, UV LED technology is becoming the standard for the majority of light-curing applications.led light curing machine GEW offers a variety of UV LED product form factors, power levels and wavelengths to address specific application needs. LED UV technology enables printers to utilize more heat-sensitive substrates, opening the door for new and innovative printing applications. The technology can also allow for a more consistent print finish, especially on non-porous surfaces, resulting in higher quality output. In addition, UV LED systems offer a more stable and reliable solution, ensuring consistency throughout the life of the machine. This results in a better experience for both the operator and the end user. VALO LED curing lights are engineered with refined optics to create optimally collimated energy that delivers the correct amount of light for effective and quick cures. This patented light design prevents misdirected curing, which can lead to undercured restorations and voids the warranty.  

Buying a High Power UV Flashlight A high power uv flashlight is an invaluable tool for fluorescent rock and mineral collecting, forensics, biological research, fossil and artifact verification, nondestructive testing and many other professional applications.high power uv flashlight When buying a UV torch it is important to assess your needs and the capabilities of various devices to ensure you purchase one that will meet your expectations. Some important things to look for are the LED efficiency and UV wavelength. The higher the

High Power UV Curing LED System   In recent years, UV LED curing systems have become a popular choice for manufacturing production lines.high power uv curing led system This is largely due to the significant process improvements and bottom line business benefits they offer over traditional mercury arc lamps. The technology also provides an eco-conscious alternative to a range of other UV curing methods that produce substantial amounts of heat and consume large quantities of energy. Compared to conventional UV curing, the light-emitting diodes (LEDs) in a high power uv curing led system emit very little heat onto the substrate and have a more narrow spectrum output that is optimized for printing, coating, and adhesive bonding applications. This allows for more precise curing control without the potential damage caused by excessive heat on sensitive materials or parts. In addition, the LEDs are able to reach their full intensity much faster and do not require warm-up time. This flexibility translates into higher productivity and shorter downtime for the printer. A high-power LED curing system has a number of other advantages over mercury arc UV systems. For example, it requires no mercury bulbs to be replaced, which eliminates the waste generated by mercury disposal and significantly reduces operating costs. Additionally, the LEDs produce minimal ozone, which is a critical factor in an enclosed environment such as a print shop where air exhaust systems are required to maintain air quality. In addition, the LEDs are cool to the touch and can be operated with a minimum of ambient air cooling. Phoseon's COBRA Cure FX series of LED curing solutions are a cost-effective solution that utilizes high-power LED technology to solve a variety of curing challenges faced by the printing industry. These include low-temperature curing and printing, high-speed curing, and the use of flexible substrates. The series offers a variety of configurations, ensuring that end customers can find a solution to meet their specific application needs. The power-efficient LED curing systems use a number of specialized circuit boards called modules that are mounted together to form a linear array. Each module contains tens or hundreds of LEDs that are combined to provide the required wavelength output for the specific curing application. The modules are powered by a specialized power supply that enables the cascading of multiple LED modules for larger production widths or for wider coverage areas. GEW's UV LED technology includes a broad portfolio of products that is designed to work with many different printing applications and market segments, including labels and packaging, industrial inkjet marking/coding, wire and fiber coatings, screen print decorating, wood decoration, and more. The products deliver a robust and consistent LED light output to cure all types of inks, adhesives and coatings. The patented designs focus on ease of integration, optimum performance, maximum lifetime, and safety. The modules are available in a variety of form factors, power levels and wavelengths to match any application requirement. Depending on the LED solution chosen, a wide selection of accessories is also available to maximize the performance and value of the system.   Tags: beads uv led module | handheld uv curing light | high power led | high power uv lamp