LED, Light Emitting Diode, is a semiconductor component. Initially, it was commonly used as an indicator light, display LED board, etc. With the emergence of white LED, it is also used for lighting. LED, known as the fourth generation lighting source or green light source, has the characteristics of energy conservation, environmental protection, long lifespan, and small size, and is widely used in various fields such as indication, display, decoration, backlight, general lighting, and urban night scenery. According to different usage functions, it can be divided into five categories: information display, signal lights, automotive lighting fixtures, LCD backlight, and general lighting. PCB LED
By gradually improving traditional energy, the world has taken a step forward. From the perspective of the original lighting concept of candles, modifications have reached a high level of enhancement, where the light radiation in semiconductors has direct energy. The improvement of PCB is becoming a reliable electronic solution suitable for many OEMs, EMS, and others. The LED lighting of the manufacturing unit is used to adjust its products through high-end customization. It has a wide range of applications, including home and corporate use, aerospace, urban street lighting, projection systems, hotels, infrared heating, industrial use, automotive, bicycle lighting, medical operations, hotels, retail, and other lighting systems in the market. The biggest challenge faced by LED lamp manufacturers is to integrate the correct type of printed circuit board into their products. To provide a perfect electronic solution for the system behavior of LED lights, printed circuit boards are manufactured using the most advanced technology and technology, including FR4 epoxy resin and glass fiber PCBs, which allow for heat dissipation on large surfaces and improve heat dissipation. The FR4 PCB comes with a hot through-hole array, where PTH (plated through hole) technology is used in conjunction with the configuration of hot through holes to vertically enhance thermal resistance, In the case of using “iceberg technology” thick copper plates for high-power LEDs and effective cooling systems, the FR4 technology used in PCBs requires appropriate heat distribution and dissipation, IMS (insulated metal substrate) for higher thermal conductivity, thick film or thin film technology, etc., to be implemented in PCB components to meet the exact requirements of LED lighting.
These technologies have reshaped LED lights into various products, including LED installation clothing, vehicle hazard lights, customized concert light balls, mainly used for snowflake lights at hotel and exhibition center entrances, wall lights, stage lights, exhibition lights, DC safety lights, handrail lights, spotlights, floor lights for swimming pools and dance pools, exit lights, and cabin lights. In addition, LED lights are also used in aircraft lighting systems and ship lighting systems. Now, this indicates an increase in the use of flexible polyimide substrates to control lighting output at low manufacturing and installation costs. The application of cold white LED lights in cameras and fluorescence microscopes.
LED products are mainly used in three major fields: backlight, color screen, and indoor lighting. Because backlighting is currently the largest application market for LED, it has driven the rapid growth of the LED industry in recent years. Under the influence of factors such as declining product prices and the rise of a new global ban on incandescent lamps, indoor lighting will replace backlighting as the fastest-growing segment of LED in the future.
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