Mainland LED chip manufacturers:
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SAN An photoelectric for short (S), Shanghai Blu-ray (Epilight) for short (E), Shilan Ming Core (SL), Dalian Lumei for short (LM), Diyuan Optoelectronics, Huacan Optoelectronics, Nanchang Xinlei, Shanghai Jinqiao Dachen, Hebei Lide, Hebei Huineng, Shenzhen Olun, Shenzhen Century Crystal source, Guangzhou Puguang, Yangzhou Huaxia Integrated, Gansu Xintian Electric Company, Dongguan Fudi
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Electronic materials, clean core optoelectronics, crystal energy Optoelectronics, low light level electronics, dry light optoelectronics, Jingda Optoelectronics, Shenzhen Fangda, Shandong Huaguang, Shanghai Lanbao, etc.
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Foreign LED chip manufacturers:
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CREE, HP, Nichia, Toyota Synthetics, Oceanic Acid,
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Toshiba, Showa Denko (SDK), Lumileds, Sunming (Smileds), Genelite, Osram, GeLcore, Seoul Semiconductor, etc., PRui, Korea Guo 'an Ying (Epivalley) and so on.
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1, CREE famous LED chip manufacturer, the United States CREE company, products based on silicon carbide (SiC), gallium nitride (GaN), silicon (Si) and related compounds, including blue, green, ultraviolet light emitting diode (LED), near ultraviolet laser, radio frequency (RF) and microwave devices, power
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Switching device and silicon carbide (SiC) epitaxial sheet suitable for production and research.
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2, OSRAM(OSRAM is a wholly-owned subsidiary of Siemens) : is the world's second largest photoelectric semiconductor manufacturer, products
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Lighting, sensors, and image processors. The company is headquartered in Germany, with a research and development and manufacturing base in Malaysia, with approximately 3,400 employees and sales of 4.59 billion euros in 2004. OSRAM is best known for leds, which are only a few millimeters long, come in a variety of colors, have low power consumption, and have a long life
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3, NICHIA Chemical, a famous LED chip manufacturer, Japanese company, founded in 1956, developed the world's first blue LED(1993), the world's first pure green LED(1995), has subsidiaries around the world.
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4, ToyodaGosei: ToyodaGosei ToyodaGosei, headquartered in Aichi, Japan, produces auto parts and leds, LED accounted for about 10% of revenue, ToyodaGosei and Toshiba jointly developed the white LED, is the combination of ultraviolet LED and fluorescent, and the general blue LED and fluorescent combination is different.
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5. Agilent
As the world's leading LED supplier, its products are automotive, electronic information boards and traffic signal lights
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A wide range of products, including industrial equipment, cellular phones and consumer products, provide efficient and reliable light sources. The high reliability of these components usually ensures that the light source does not need to be replaced during the service life of the equipment. Agilent's low-cost dot-matrix LED displays, a wide range of seven-segment displays and the Agilent LED Strip family are available in a variety of packages and colors
The rankings are as follows:
1 Xiamen SAN An Optoelectronics (mainstream full-color ultra-high brightness LED chip, leading performance indicators, blue, green ITO(indium tin oxide) chip performance indicators have been close to the highest international indicators, with strong competitiveness in the peer)
2 Dalian Lumei (Lumei has hundreds of early international and domestic core patents, ranging from epitaxy, chip, package, lamps, luminous powder, etc.)
3 Hangzhou Shilanming Core (Its technical advantage lies in the chip manufacturing process, while benefiting from the parent company's strong integrated circuit and discrete device production line experience. The company's LED display chip market share of more than 50%, 2009 as the only domestic chip manufacturer won the bid for square LED display.
4 Wuhan Diyuan Optoelectronics (Wuhan Diyuan's current products are mainly 0.5W and 1W LED chips, with a monthly production capacity of 10-15KK, mainly producing 45, 50 and 60mil high-power LED chips, and Diyuan has 1 US patent and 4 Chinese patents.)
5 Guangzhou Jinko Electronics (is the only blue-light LED chip manufacturing enterprise with high power, high brightness and high stability in the Pearl River Delta). Jinko's core product advantages are power type gallium nitride blue LED chips and super power module chips (5W, 10W, 15W, 30W, etc.). At the same time, it has 8 invention patents in the United States and China, and carries out continuous technological innovation at the rate of applying 2 invention patents per year, and has chip level reverse mount welding technology flip high-power chip manufacturing technology and multi-chip integration technology.)
6 Shanghai Lanbao Optoelectronics (with the technical support of Institute of Physics, Chinese Academy of Sciences, with mature high-power inverted welding, RGB three-color integration, ITO coating, antistatic protection and other core technologies.)
7 Fangda Optoelectronics (Parent company Fangda Group is the first company in China to mass-produce epitaxial wafer and chip for semiconductor lighting.)
8 Xiamen Jingyu Optoelectronics
9 Dongguan Zhoulei Electronics
10 Xiamen Mingda Optoelectronics