1, bright LED brightness is different, the price is different. LED for LED lamps should fit the laser class Ⅰ specification.
2, anti-static ability Antistatic ability LED, long life, so the price is high The general anti-static more than 700V LED power for LED lighting.
3, wavelength wavelength common LED, color common, such as the required color common, the price is high. Producers without LED spectrophotometers are difficult to produce purely pure products.
4, leakage current LED is a one-way conductive light, if there is reverse current, then known as leakage, leakage current LED, short life, low prices.
5, luminous point of view with different LED its luminous point of view is not the same. Special luminous point of view, the price is higher. Such as full diffuse angle, the price is higher.
6, the quality of life is the key to the quality of life, life by the decay of light. Light fades small, long life, long life, high prices.
7, the chip LED luminous body for the wafer, different chips, the price difference is very large. Japan, the United States of the chip more expensive, generally Taiwan and domestic chip prices lower than Japan, the United States.
8, the chip size of the chip size to side length, large chip LED quality is better than the small chip. The price is proportional to the size of the chip.
9, colloid general LED colloid is generally epoxy, plus anti-ultraviolet and anti-fire agent LED price is more expensive, high-quality outdoor LED lighting should be anti-ultraviolet and fire.