Reasons For Restricting The Application Of LED Light Sources

- Mar 29, 2018 -

(1) Prices. The price of LED is relatively expensive. Compared with incandescent lamps, the price of several LED lamp beads is equivalent to that of an incandescent lamp. Generally, each group of signal lamps needs to consist of 300-500 LEDs.

(2) The angle of view of the LED is narrower than that of a traditional light source incandescent lamp, and the viewing angle is less than 180°

(3) LED is a multi-element compound semiconductor device, and its parameters of electrical, optical, thermal and mechanical parameters are highly discrete; many of the parameters of LED vary with the degree of roughness, and when the internal temperature exceeds the maximum junction temperature, the device It will be burned, so LED heat dissipation is a key technical issue.

(4) The LED is safe, but in the UV-B and UV-c bands, the LED is harmful to human eyes and skin at a certain power level. In addition, some LED lights are too bright. It is not suitable to directly view the light.


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