1, CREE
Leading LED chip manufacturers, the United States CREE company, product to silicon carbide (SiC), gallium nitride (GaN), silicon (Si) and related compounds as the base, including blue, green, and ultraviolet light-emitting diode (LED), near UV Laser, radio frequency (RF) and microwave devices, power switching devices and for silicon carbide production and scientific research (SiC) wafer.
2, OSRAM
OSRAM Opto Semiconductors is the world's second largest manufacturer of lighting products, sensors, and image processor. The company is headquartered in Germany, R & D and manufacturing base in Malaysia, about 3,400 employees, 2004 sales of 45.9 billion euros.
OSRAM most famous product is the LED, only a few mm in length, a variety of colors, low power consumption, long life
3, NICHIA
Nichia, the famous LED chip maker, Japan, founded in 1956, developed the world s first blue LED (1993), the world's first a pure green LED (1995), in the world has a sub-Company.
4, ToyodaGosei
ToyodaGosei Toyoda Gosei is headquartered in Aichi, Japan, production of automotive components and LED, LED about 10% of revenue, Toyoda Gosei and Toshiba jointly developed by the white LED, is the use of UV LED and phosphor combination of the way, and the general blue Combination of LED and fluorescent light in different ways.
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