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LED application

Send date: 2011-06-11 14:19 Visitor:

In view of the LED's own advantage, at present mainly used in the following several aspects:

 

(1) display screen, traffic signals of the light source that application LED lamps and lanterns, impact resistance, seismic response speed of light, save electricity and long life and other characteristics, widely used in all kinds of indoor and outdoor full-color display, divided into three colors and monochrome screen, across the country, 100 DuoGe unit in the development of production. The traffic lights mainly using ultra bright red, green, yellow LED, because using LED lights already energy-saving, reliability and high, so, across the country, the traffic lights are gradually being replaced, and promote speed, market demand is very big, is a very good market opportunity;


(2) auto industry application car with the lamp contains car interior panels, sound, light switch back light source, the reading light and external the brake lights, tail light, side lights and head lamp, etc. Cars with incandescent lamp is not able to bear or endure impact, vibration, short life easy attaint, need to change. In 1987, China began to high installed in the car brake light. Due to the fast response, LED to early remind drivers, reduce automobile brake behind accident, in developed countries, use the rear LED manufacturing central high brake light has become the standard, the American car HP company introduced in 1996 LED automobile tail light module can be combined into all kinds of cars at tail lights. In addition, in the glove compartment and all kinds of other lighting part of the source of the light, use high brightness LED to bear, and so are the LED display in gradually. Automobile industry in our country is in great development period, is to promote the high brightness LED a good time. In recent years will be in 1 billion yuan of annual output value, in 5 years will form the output value 3 billion yuan a year.

 

(3) LED back light to efficient side of the back light shine most noticeable, LED as LCD back light application has long life, high luminous efficiency, no interference and high performance-cost ratio, has been widely used in electronic watch, mobile phones, BP machine, electronic calculators and the inductor, along with the portable electronic products is miniaturization, LED back light more advantage, so back light manufacturing technology to the more thin, low power dissipation and uniform. Leds are key components, an ordinary mobile phones or small quick to use only about 10 LED device and a colour screens and photographic function with mobile phones are need to use only about 20 LED devices. At present mobile phone back light dosage is very large, and with only a year to 3.5 billion LED chip. At present our country a mobile phone production, and most of the LED back light or imported for domestic LED products, it is a very good market opportunities.


(4) the LED lighting source early products luminous efficiency, low light intensity normally only to a few to dozens of MCD, applicable in indoor occasion, in the home appliance, instrument and apparatus, communication equipment, computer and application of toys. The direct target is LED light source alternative incandescent light bulb and fluorescent, this alternative trend from local application field has started to develop. Japan for saving energy, is planning to replace incandescent light bulb light emitting diode (called "project light Japan"), in the first five years of the budget for 5 billion yen, if LED alternative half of the incandescent light bulb and fluorescent lamp, can save the equivalent of 6 billion liters each year of crude oil, equivalent to five energy 1.35 x 106 kW nuclear power plant of generating capacity, can reduce the carbon dioxide and other greenhouse gas emissions, improve people living environment. Our country also invested 2004 vigorously develop the energy conservation environmental protection the semiconductor lighting plan [4].

 

(5) other applications such as a children's welcome by the flash shoes, walking the built-in LED light shine, only a year to wenzhou region with only 500 million light-emitting diodes (leds); Use leds as electric toothbrush power indicator light, according to domestic production manufacturers are introduced, the company already has a few health care market, is expected to toothbrush batch production needs every year to 300 million led only; Are popular LED Christmas lights, due to the novel modelling, colour is rich, non-friable broken and low voltage use security, recently in Hong Kong, southeast Asia area, XiaoShi strong by people generally welcomed, are threatening and replace the existing electric bubble of Christmas market.

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