LED lighting is a semiconductor solid-state light-emitting device
LED lighting is a semiconductor solid-state light-emitting device, also known as light-emitting diode lighting. Its principle is to use a solid semiconductor chip as a luminescent material, in the semiconductor to emit excess energy through the recombination of carriers, causing photon emission, and directly emit red, yellow, blue, and green light. On this basis, using the principle of three primary colors , Add phosphor, can emit light of any color. Lighting fixtures manufactured using LEDs as light sources are LED lights.
Compared with traditional lighting, LED lighting has many advantages, such as: (1) energy saving, the power ratio of LED lights and ordinary bulbs can reach 10:1; (2) short response time; (3) convenience; (4) Long service life, compared with ordinary bulbs, its service life is longer: (5) health; (5) environmental protection, ordinary bulbs will generate a lot of infrared and ultraviolet radiation when working, in addition, the bulb is filled with inert gas, crushing Sexual damage will also have a certain impact on the environment. The bulb uses LED as the light source, and the LED does not generate radiation when it works. Moreover, the LED light source used does not have any filling gas, so it will not cause adverse effects on the environment; (6) Safety, the material of ordinary light bulb products is glass, which is easily broken when collided with hard objects and easily cut by glass. However, the LED light is made of PC material / acrylic die-casting. The LED of the light source part is also made of special materials that are shock-resistant and fall-resistant. Even if it is broken, it is not easy to cause cuts.
my country's LED lighting began to develop in the 1990s, and now it has initially formed a relatively complete industrial chain, which includes the production of LED epitaxial wafers, LED chip manufacturing, LED chip packaging and LED product applications. In my country, the production and research and development of LED lighting sources are developing rapidly.
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