China Demo Photoelectric Technology (Wuxi) Co., Ltd. Company News

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.  

SMD LEDs have become the go-to light source for modern lighting applications, ranging from home lighting to automotive and industrial systems. With a wide variety of models such as 2835, 3030, and 5050, selecting the correct SMD LED is critical to ensuring your project meets brightness, efficiency, and longevity expectations.     1. Understand Key Technical Parameters   Luminous Flux (lm): Indicates the brightness of the LED. Higher values mean brighter output. For instance, a 3030 LED may offer 10-12 lumens, while a 5050 could deliver even more due to its larger size and multiple chips. Color Temperature (CCT): Measured in Kelvin (K), this defines the color appearance of the light. 2700K is warm white, 6000K is cool white. Dual-color LEDs (e.g., 1800K-6000K) provide tunable lighting. Color Rendering Index (CRI): A CRI above 80 ensures colors appear natural under the light. Ideal for retail or interior applications. Beam Angle: SMD LEDs typically offer a 120-degree viewing angle, suitable for wide light distribution. Voltage and Current: Most SMD LEDs operate at low DC voltages (e.g., 2.8–3.4V) and are current-driven. Always check the manufacturer specs.   2. Compare Popular SMD Models   2835 SMD LED: Compact, energy-efficient, ideal for backlighting and general indoor use. 3030 SMD LED: Offers higher brightness and better thermal performance, suitable for high-power applications like street lighting. 5050 SMD LED: Larger footprint, often includes RGB or dual-color chips. Ideal for color-changing or decorative lighting.   3. Application-Specific Considerations   Indoor Lighting: Prioritize high CRI, moderate lumen output, and consistent color temperature. Outdoor/Industrial Use: Look for LEDs with high brightness, good heat dissipation, and stable performance under various environmental conditions. Smart Lighting: Use dual-color or RGB LEDs with 6-pin configurations for better color control and compatibility with PWM dimming.   4. Common Mistakes to Avoid   Ignoring Heat Dissipation: Always ensure proper thermal management—choose LEDs with effective heat sinking properties. Overlooking Compatibility: Mismatch between LED specs and driver can lead to flickering or failure. Underestimating Quality Testing: Ensure your supplier uses tools like integrating spheres to measure CCT, CRI, and lumen output.   Choosing the right SMD LED is about balancing brightness, efficiency, and application needs. Whether you require compact lighting for a small fixture or powerful RGB output for a dynamic display, understanding the technical aspects helps you make smarter choices. As a professional LED manufacturer, we offer a full range of tested and certified SMD LEDs tailored for every application. Customized service is also available! Contact us today to learn more or request a sample.   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.    

How LED Beads Enhance Lighting Efficiency and Design?   1. Energy Efficiency LED beads consume up to 80% less energy compared to traditional incandescent or halogen bulbs. This results in substantial cost savings for both residential and industrial users. 2. Longevity Our high-quality LED beads can last over 50,000 hours, reducing maintenance and replacement costs in long-term projects. 3. Customization With adjustable color temperature (warm white, cool white, RGB, etc.), high CRI (Color Rendering Index), and various package types, LED beads can be tailored to meet specific lighting design requirements—whether it's for ambient home lighting, commercial spotlights, or outdoor displays. 4. Compact & Modular Design The small size of LED beads enables integration into space-sensitive applications like automotive headlamps, medical equipment, and thin-profile LED panels.   How We Deliver High-Quality LED Beads for Global Customers As a professional manufacturer and exporter of LED beads, we focus on delivering products that meet international quality standards such as CE, RoHS, and LM-80 certifications. Our factory is equipped with advanced SMT lines and automated testing systems, ensuring consistency, brightness, and thermal performance.   Our Core LED Bead Products Include: Through Hole LED Diode (2mm/3mm/4mm/5mm/8mm/10mm…) SMD LED Beads (2835, 5050, 3528, 3030, 5630, ect.) High-Power LED Chips COB LEDs RGB and Addressable LEDs (WS2812, SK6812, etc.)   More Options Are Available… LED Size:2mm/3mm/4mm/5mm/8mm/10mm… LED Shape: round head shape,straw-hat shape,bullet head shape,oval shape,rectangular shape,concave shape,fathead shape,bullet head,high flux piranha shape,high lens shape... LED Lens: water clear lens,tinted clear lens,diffused lens,tinted diffused lens,black lens… Viewing Angle: 8-10deg/15-20deg/25-30deg/45-50deg/55-60deg/80-85deg/90-95deg/110-120deg 1140-160deg…   We  also support OEM/ODM orders, offer fast delivery times, and provide full technical support to our international clients.   Why Choose Us As Your LED Bead Supplier? Over 10 years of experience in LED R&D and export Strong supply chain with competitive pricing Strict quality control and full traceability Professional service team fluent in English and familiar with global trade processes Whether you’re developing smart lighting products or need bulk LED chips for manufacturing, partnering with a trusted supplier is the key to success.   Contact us today to learn more about our LED beads and how we can support your lighting projects globally! 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.

Dear Valued Customers, Please be advised that our operations will be suspended from May 31st to June 2nd, 2025 in observance of the Dragon Boat Festival. Regular business operations will resume on Tuesday, June 3rd, 2025. We sincerely apologize for any inconvenience this temporary closure may cause and appreciate your understanding. Our team remains dedicated to maintaining the highest standards of product quality and service excellence upon our return. Should you require immediate assistance during this period, please contact master@demophotech.com for urgent matters. Thank you for your continued trust and partnership. We wish you a joyful and peaceful festival!   Warm regards, Demo Administration Department May 29, 2025

  As global demand for energy-efficient and intelligent lighting continues to rise, 2025 marks a pivotal year for technological advancements in LED lamp beads. These core components of modern lighting systems are evolving rapidly toward higher luminous efficacy, better color rendering, longer lifespan, and smart integration—unlocking new opportunities in sectors such as healthcare, agriculture, automotive, and consumer electronics.   Technological Advancements: Higher Efficiency, Smaller Packages, Longer Lifespan Modern LED lamp beads are increasingly adopting compact high-performance packaging formats such as 2835, 3030, and 5050, along with advanced COB and CSP technologies. These innovations enable higher lumen-per-watt (lm/W) output and more uniform light distribution. Top-tier LED lamp beads are now exceeding 200 lm/W in efficiency—far surpassing traditional lighting solutions.     Enhanced thermal management and optimized material design have also extended average product lifespans beyond 50,000 hours, significantly reducing maintenance costs in real-world applications.   Emerging Applications: Four Key Growth Areas Medical Phototherapy; Horticultural Lighting; Automotive Lighting; Display & Consumer Electronics Market Outlook: Strong Global Demand, Expanding Export Potential: According to TrendForce, the global LED lamp bead market is projected to exceed USD 56 billion by 2025. Demand is especially strong in North America, Southeast Asia, and the Middle East. As the world’s leading manufacturing base, China is well-positioned to dominate exports with its complete supply chain and cost-effective production capabilities.     Sources: TrendForce: Global LED Industry Forecast 2025 Business Research Insights: LED Lamp Beads Market Report 2024–2032 Sohu Tech News: Trends in LED Lighting Applications BIBILED Technical Publications and Product Analysis

How to Choose the Right LED Lamp Beads for Your Application As the demand for energy-efficient and long-lasting lighting continues to grow, LED lamp beads have become the core component in a wide range of applications — from decorative lighting and indicators to automotive and industrial use. But with thousands of types available on the market, how do you choose the right LED lamp bead for your project? In this article, we’ll break down some key considerations.   1. Wavelength and Color The wavelength directly determines the color of the LED. For example: 620nm – Red 520nm – Green 460nm – Blue Choosing the correct wavelength is important for visual clarity, branding, or signal recognition in electronics.   2. Brightness (Luminous Intensity) Measured in mcd (millicandela), brightness must match the environment: Indoor indicators: 200–500mcd Outdoor signage or warning lights: 1000mcd+ Example: Our 5mm Flashing Red LED (620nm, 1500mcd) offers high visibility for alarms and indicators.   3. Functionality: Blinking, Constant, or RGB? Need a simple ON/OFF function or something dynamic? Blinking LEDs (e.g., 0.5Hz, 2Hz) are ideal for warnings and attention-grabbing. Integrated resistors simplify circuit design. RGB and addressable LEDs (like WS2812) allow complex lighting control.   4. Voltage & Integration LEDs typically run at 1.8V–3.3V. For 12V systems, pre-resistor integrated LEDs are a smart choice — simplifying wiring and avoiding extra components. Why Source from a Professional Manufacturer? As a dedicated LED lamp bead factory, we offer: Custom wavelengths & lens types Flashing, constant-on, and RGB types High reliability & consistent quality from automated lines OEM/ODM support for custom lighting projects   Looking for high-quality LED lamp beads for your next project? Our experienced team is here to help you choose the right model, provide technical support, and offer competitive pricing for bulk orders. Contact us today for datasheets, free samples, or to discuss custom LED solutions tailored to your needs. ➤ [Emial:master@demophotech.com] ➤ [Tel:+86 15312229119] We respond within 24 hours and ship worldwide.  

  By 2025, LED lamp beads will penetrate an ever‑wider array of emerging applications—from medical phototherapy and horticultural lighting to intelligent automotive illumination and VR/AR displays. In clinical settings, red and blue LEDs accelerate wound healing and effectively treat neonatal jaundice via targeted phototherapy. In controlled‑environment agriculture, these LEDs replicate natural sunlight to drive photosynthesis, improving plant morphology and yield. Automotive manufacturers are embedding LED beads into adaptive headlamps, dynamic turn signals and customizable in‑car ambient lighting to enhance safety and comfort. At the same time, ultraminiature micro‑LEDs are powering next‑generation VR and AR displays, delivering higher pixel density and more immersive visual experiences.

Dear valued Customers： We wish to inform you that our operations will be temporarily suspended from May 1st to May 5th, 2025, in observance of the Labor Day. Our production activiies wll resume on May 5th, 2025. We sincerely apologize for any inconwenience this may cause and kindy requestyour understanding duning this penod.We remain commited to providing you wththe highest quality product. Thank you for your continued patronage. Best regards, Demo Administration Department April 30th 2025