quality LED Light Emitting Diode & Traffic Warning Light LED Diode manufacturer

In recent years, UV LED modules have revolutionized industries such as water treatment, air sterilization, printing, and curing. But what exactly is a UV LED module, and how do advanced packaging technologies make it even better? A UV LED module is a compact, integrated system that emits ultraviolet light across wavelengths from UV-A to UV-C. It replaces traditional mercury-based lamps, offering significant benefits in energy efficiency, lifespan, and environmental safety. As an experienced LED manufacturer, DEMO provides high-performance UV LED modules enhanced with advanced packaging and assembly technologies, ensuring exceptional thermal management, optical performance, and reliability.   COB Packaging Technology for UV LED Modules Our UV LED modules use Chip-on-Board packaging technology, which directly mounts LED chips onto high thermal conductivity substrates such as metal-core PCBs or ceramic bases. By allowing direct heat dissipation through the substrate, COB dramatically reduces thermal resistance, ensuring excellent heat management. Thanks to its high radiant flux per unit area, COB-packaged UV LED sources achieve remarkable light density and enable extremely high UV radiant flux output on a very small emitting surface. This fully meets market demands for high power density UV applications, from industrial curing to medical sterilization.   Inorganic Packaging Technology for UV LEDs We also incorporate inorganic packaging technology for even higher performance and reliability. This design features a ceramic holder combined with a metal structure and a quartz or sapphire window. Using laser seam welding, the quartz/sapphire window is hermetically sealed to the ceramic carrier, forming a closed air cavity around the UV LED chip. This effectively isolates the chip from external moisture and contaminants, greatly improving the lifetime, stability, and reliability of the UV LED device.   Eutectic Bonding for UV LED Modules Additionally, our UV LED modules utilize eutectic bonding — a soldering technique based on low-melting-point alloys. The LED chip is bonded to a copper-gold–plated substrate using eutectic solder. This metal-to-metal connection significantly improves the thermal and mechanical performance of the LED device, ensuring robust, long-lasting operation even in demanding industrial conditions.   Why Advanced UV LED Modules Matter As customers pursue higher UV power, better durability, and lower maintenance costs, advanced packaging technologies are critical. Our combination of COB packaging, inorganic sealing, and eutectic bonding puts at the forefront of UV LED innovation, helping our partners achieve the highest standards of performance and safety. If you want to learn more about our UV LED modules or request customized solutions, please feel free to contact us！     Primary Keywords： UV LED module UV LED light module UV LED chip UV LED packaging UV LED COB module Inorganic packaged UV LED Eutectic bonding UV LED UV LED manufacturer Email: master@demophotech.com Tel:+86 15312229119 Wechat/WhatsApp: +86 15312229119 Address: 2/F, Block D, Liye Building, University Science Park, No. 20, Qingyuan Road, Xinwu District, Wuxi, China, 214135.

Description: Discover how luminous flux and CCT are measured in LEDs. Learn the standard testing methods used by leading LED manufacturers to ensure product quality and performance. Understanding LED Luminous Flux and CCT Measurement As a professional LED supplier with years of experience in manufacturing and global trade, we understand how crucial accurate testing is to LED quality. Two key parameters that buyers and engineers often look at when choosing LEDs are luminous flux and CCT (Correlated Color Temperature). Here’s how we—and the industry—measure them. 1. What Is Luminous Flux in LEDs?   Luminous flux refers to the total amount of visible light emitted by an LED source, measured in lumens (lm). It directly affects how bright the LED appears.    How It's Measured: Integrating Sphere: A highly reflective sphere that captures light in all directions. Photometer or Spectroradiometer: Measures the light output from the LED inside the sphere. Standards Used: Measurements are usually based on IES LM-79 and CIE 127 standards. This method allows manufacturers to determine total output without being affected by beam angle or LED orientation.   2. What Is CCT (Correlated Color Temperature)? CCT describes the color appearance of the LED light in kelvins (K), indicating whether the light appears warm (yellow-red) or cool (blue-white).   How It's Measured: Spectroradiometer: Measures the LED's spectral power distribution. CIE 1931 Chromaticity Diagram: The data is plotted to find the closest matching color temperature.   Common CCT Ranges: 2700K–3000K: Warm White 4000K–4500K: Neutral White 6000K–6500K: Cool White   3. Why These Measurements Matter to Buyers Product Consistency: Ensures batch-to-batch uniformity. Application Matching: Allows designers and engineers to select the right LEDs for display, signage, or lighting. Quality Assurance: Avoids customer complaints and supports compliance with international standards.   Our Commitment to Quality We test all our LED products—including SMD LEDs, DIP diodes, flashing LEDs, and RGBW solutions—using calibrated equipment in a professional lab environment. We follow strict quality control procedures to deliver consistent, reliable performance.   Want to Learn More? Visit our website or contact our sales team for datasheets, testing reports, or custom LED solutions tailored to your market.     To help customers better understand LED performance testing, the following are common keywords related to this topic: LED luminous flux measurement, how to measure CCT, LED color temperature test, integrating sphere LED test, LED quality control, spectroradiometer for LEDs, LED testing standards, LED brightness measurement Email: master@demophotech.com Tel:+86 15312229119 Wechat/WhatsApp: +86 15312229119 Address: 2/F, Block D, Liye Building, University Science Park, No. 20, Qingyuan Road, Xinwu District, Wuxi, China, 214135.

As cities embrace smart infrastructure and energy-saving solutions, LED street lighting has rapidly become the global standard. At the core of every high-quality LED street lamp is a powerful and efficient LED diode. But what makes an LED diode ideal for street lighting applications? In this article, we explore the key factors that define the best LED diodes for street lights, combining industry expertise with practical guidance.   What Is an LED Diode? An LED diode (Light Emitting Diode) is a semiconductor device that emits light when an electric current passes through it. In street lights, LED diodes are responsible for producing the actual illumination. Compared to traditional light sources like HPS (high-pressure sodium) or metal halide, LEDs offer higher energy efficiency, longer lifespan, and better color rendering.   Why Choosing the Right LED Diode Matters for Street Lighting Street lighting systems operate outdoors, often for 8–12 hours daily, under varying environmental conditions. Therefore, the LED diode must offer: High brightness with low power consumption Excellent thermal stability and heat dissipation Durability in harsh weather conditions Consistent color temperature for visibility and safety Long lifespan with minimal maintenance needs Using substandard LED chips can lead to rapid light decay, inconsistent illumination, and high energy costs—making the choice of diode a critical factor in street lighting projects.   Top Recommended LED Diodes for Street Lights We specialize in manufacturing high-performance LED diodes for outdoor and street lighting. Below are some of our most recommended models: Model Type Lumen Efficiency Features Best Used In SMD 3030 Mid-Power Up to 180 lm/W Excellent thermal performance, low Vf Main roads, highways SMD 5050 High-Power RGB/W Up to 160 lm/W High brightness, suitable for color control Decorative and smart street lamps COB LED Chip on Board Up to 150 lm/W Uniform light output, high-density Tunnel lighting, wide beam areas 3535 High Power Single chip High CRI, stable output Compact design Urban, pedestrian areas All our LED diodes are RoHS, CE, and LM-80 certified, ensuring reliability, environmental safety, and compliance with international lighting standards.   Applications of LED Diodes in Street Lighting Urban street lights Highway and freeway lighting Smart pole systems Public parks and pedestrian zones Tunnel and underpass illumination We also support customization for power, beam angle, color temperature (3000K–6500K), and PCB integration.   Why Choose Us as Your LED Diode Manufacturer? Over 10 years of experience in LED R&D and export Own factory, strict quality control, and fast production lead time Full support for OEM/ODM orders Strong logistics network for global shipping Technical consultation and product matching for street lighting projects   Email: master@demophotech.com Tel:+86 15312229119 Wechat/WhatsApp: +86 15312229119 Address: 2/F, Block D, Liye Building, University Science Park, No. 20, Qingyuan Road, Xinwu District, Wuxi, China, 214135.