Domestic LED main application areas
In addition to a large number of domestic LED products used in the display of various electrical appliances and devices, instruments, equipment, mainly concentrated in:
First, large, medium and small LED displays: indoor and outdoor billboards, stadium scoreboards, information displays, etc.
The second is traffic lights: city traffic lights, highways, railways and airport signal lights in major and medium-sized cities across the country.
The third is light color lighting: outdoor landscape lighting and interior lighting.
The fourth is dedicated general lighting: portable lighting (flashlights, headlights), low-illumination lighting (lane lights, house lights, court lights), reading lighting (aircraft, train, car reading lights), microscope lights, camera flash, table lamps Street lights.
The fifth is safety lighting: miner's lamp, explosion-proof lamp, emergency light, safety indicator light.
Sixth is special lighting: military lighting (no infrared radiation), medical surgical lights (no heat radiation), medical treatment lamps, crops and flowers dedicated lighting.
LED application products, especially the main components of semiconductor lighting products, such as drive circuits, brackets, lamps, lamps, connectors, plastic parts and metal parts, etc., the domestic supporting ability is relatively strong. In the key supporting LED driver ICs for LED application products, there are currently more than a dozen units including Shilan Micro, Zhongdian 18, Shanghai Belling, Beijing Aerospace Scale Technology, Nanjing Weimeng and Dalian Jiema. The products can be driven by constant voltage and constant current for different powers and different connection modes of LEDs. In particular, the drive circuit for directly driving power LEDs has been mass-produced, which will greatly promote the development of LED applications.
From the domestic LED application market, architectural lighting, display screens and traffic signal lights accounted for 56% of the total, the total growth of these markets is relatively fast, but relatively scattered, technical standards are not uniform; and in the small-size backlight and automotive applications Only 7%.
In the LED application market, the mobile phone backlight market, the large-size backlight market to be developed, and the automotive market are the “packaged†markets with relatively concentrated target markets, and the technical requirements are relatively high; the future general lighting market is concentrated in the market segments, overall Seeing more scattered, but the overall scale is large, the entry into the technology threshold is relatively high, so the backlight market, the automotive market and the general lighting market are conducive to the continued growth of the company, the gross profit in these areas is also higher, domestic enterprises should be more involved The layout of this kind of market comes in order to win a broader space for growth in the future. In the field of lighting driver ICs, domestic enterprises are still mainly in the research and development stage, and they have not achieved a certain scale. Without driving ICs, LED lighting “bulbs†cannot enter thousands of households. Similarly, the outbreak of LED lighting will certainly promote the development of driver ICs. .
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