The configuration of LED applications depends on many factors, including LED parameters and quantity, voltage, efficiency, heat dissipation management, size and layout restrictions, and optics. The simplest configuration form is a single LED, and applications that use this design include automotive interior ceiling lights, map lights, reading lights, and so on. Since the actual application usually requires plane light emission, it is necessary to arrange and combine multiple LEDs as required to meet the application requirements of a larger range, higher brightness, dynamic display, color conversion, and the matching requirements between the LED and the driving power supply.
1. Brightness The brightness of the LED is different, and the price is different. The LED used in the LED lamps should meet the laser class Ⅰ standard.
2. Antistatic ability LEDs with strong antistatic ability have long life and high price. Generally, LEDs with anti-static voltage greater than 700V can be used for LED lighting.
3. Wavelength LEDs with the same wavelength have the same color. If the color is required to be the same, the price is high. It is difficult for manufacturers without LED spectrophotometers to produce products with pure colors.
4. Leakage current LED is a unidirectional conductive light-emitting body. If there is a reverse current, it is called leakage. LEDs with large leakage current have short life and low price.
5. Light-emitting angle LEDs with different uses have different light-emitting angles. Special lighting angle, higher price. Such as full diffusion angle, the price is higher.
6. Life span The key to different qualities is life span, which is determined by light decay. Low light decay, long life, long life, high price.
7. Chip LED's light-emitting body is a chip, and the price of different chips varies greatly. Chips in Japan and the United States are more expensive. Generally, the prices of chips made in Taiwan and China are lower than those in Japan and the United States.
8. Chip size The size of the chip is expressed by the side length. The quality of the large chip LED is better than that of the small chip. The price is proportional to the size of the chip.
9. Colloid The colloid of ordinary LEDs is generally epoxy resin. LEDs with anti-ultraviolet and fire retardants are more expensive. High-quality outdoor LED lighting should be anti-ultraviolet and fireproof.
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