1. The LED output luminous flux (LM number) is different, and the price is different. The LEDs used in LED lamps should meet the laser class Ⅰ standard.
2. The LED with strong antistatic ability has long life and high price. Usually, only LEDs with a single antistatic value greater than 700V can be used for LED lighting.
3. LEDs with good wavelength consistency have the same color. If the color is required to be consistent, 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 luminous body. If there is a reverse current, it is called leakage. LEDs with large leakage current have short life and low price.
5. LEDs with different light-emitting angles have different light-emitting angles. Special lighting angle, higher price. Such as full diffusion angle, the price is higher.
