Introduction to LED (Light Emitting diodes)
Light Emitting diodes (light-emitting diodes) are semiconductor components. At first, it is used as indicator light, display led board, etc. With the appearance of levo led lighting white led, it is also used for lighting.
LED is called the fourth generation lighting source or green light source, which is characterized by energy saving, environmental protection, long life and small volume. It is widely used in various fields of indication, display, decoration, backlight source, general lighting and urban night view. According to different functions, it can be divided into five categories: information display, signal lamp, automobile lamps, LCD backlight and general lighting.
Driven by policy escort and sales promotion, LED has become one of the investment hot pot in the capital market recently, among which new haiyi and fujing technology are prominent. As the fourth quarter is the peak period for LED lighting, TV and other products, the sales volume of upstream zero-component industry will also rise periodically. With the implementation of China's policy of prohibiting the sale and import of 60 watt and above incandescent lamps on October 1, the road map for the elimination of incandescent lamps in China has been opened, and the LED lighting penetration rate will continue to increase. Industry insiders say the replacement market for incandescent bulbs alone will generate more than 12 billion new light sources each year.
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