(The performance indicators of mainstream full color ultrasound high brightness LED chips are leading, and the performance indicators of blue-green ITO (indium tin oxide) chips are close to the highest international indicators and have strong competitiveness in the industry. )
2。 Dalian Lu Mei
Lu Mei has hundreds of early international and domestic core patents, covering epitaxy, chips, packaging, lamps, luminescent powder and so on. )
3。 Mingxin, Shi Lan, Hangzhou
Its technical advantage lies in the chip manufacturing process, and it also benefits from the strong experience of the parent company in the production line of integrated circuits and discrete devices. The company's LED display chip market share exceeds 50%. In 2009, as the only domestic chip manufacturer, it won the bid for square LED display screen. )
4。 Wuhan Yuan Di photoelectricity
(At present, Wuhan Yuan Di mainly produces 0.5W and 1W LED chips, with a monthly production capacity of 10- 15KK, and mainly produces high-power LED chips of 45, 50 and 60mil. At the same time, Yuan Di has 1 US patents and 4 China patents. )
5。 Guangzhou Jing Ke electronic
(It is the only blue LED chip manufacturer with high power, high brightness and high stability in the Pearl River Delta. The core product advantages of Jingke are power gallium nitride blue LED chips and ultra-high power module chips (5W, 10W, 15W, 30W, etc. ). At the same time, it owns 8 invention patents in the United States and China, and keeps innovating at the rate of applying for 2 invention patents every year. We have wafer-level flip-chip bonding technology, flip-chip high-power chip manufacturing technology and multi-chip integration technology. )
6。 Shanghai lanbao photoelectricity
Supported by the Institute of Physics, Chinese Academy of Sciences, it has mature core technologies such as high-power flip chip, RGB tri-primary color integration, ITO coating and anti-static protection. )
7。 Fangdaguoke photoelectricity
The parent company Fangda Group is the first enterprise in China to mass-produce epitaxial wafers and chips for semiconductor lighting. )
8。 Xiamen jingyu photoelectricity
9。 Dongguan Zhou Lei electronic
10。 Xiamen mingda photoelectricity
(These three works all have Taiwanese background. Compared with local LED chip enterprises, they are relatively adequate in technology, capital and talent preparation, and the factories have now achieved mass production. )