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LED purchase instructions

- Nov 15, 2017 -

1, LED brightness (MCD) is different, the price is different. LED lamps for LED should be consistent with laser class Ⅰ standard.

2, anti-static ability Anti-static ability of the LED, long life, and thus high prices. Generally more than 700V antistatic LED can be used for LED lighting.

3, consistent wavelength LED, the same color, such as the requirements of the same color, the price is high. Manufacturers without an LED spectrophotometer can hardly produce pure colors.

4, leakage current LED is a unidirectional conductive light, if there is a reverse current, then known as leakage, leakage current LED, short life expectancy, low prices.

5, the use of different angles LED light emitting point of view is not the same. Special lighting angle, the price is higher. If full diffuse angle, the price is higher.

6, the key to life of different quality is life, life is determined by the light fades. Low light failure, long life, long life, high prices.

7, chip LED luminous body for the chip, different chips, the price is very different. Japan, the United States more expensive chips, the general Taiwan and domestic chip prices lower than Japan, the United States (CREE).

8, the size of the chip The size of the chip to the side that the quality of large chip LED chip is better than small. The price is proportional to the size of the chip.

9, colloid General colloidal LED is generally epoxy resin, plus anti-UV and fire retardant LED more expensive, high-quality outdoor LED lighting should be resistant to UV and fire. Each product will have a different design, different designs are suitable for different purposes, LED lighting reliability design includes: electrical safety, fire safety, environmental safety, mechanical safety, health and safety, safe use of time and other factors. From the perspective of electrical safety, should be consistent with the relevant international and national standards