1. 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.
2. NICHIA Nichia, the famous LED chip maker, Japan Company, 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.
3. Agilent As the world's leading LED supplier of products for the automotive, electronic information boards and traffic signal lights, industrial equipment, consumer products such as cellular phones and a large number of products to provide efficient and reliable source. These components ensure high reliability of the equipment is usually no need to change during the life of light sources. Agilent's low-cost dot matrix LED display, a wide variety of seven-segment code, and Agilent's LED light bar display products have a variety of packages and colors for selection.
4. TOSHIBA Toshiba Semiconductor is a major automotive supplier of LED, in particular, instrument panel backlighting, car radio, navigation system, climate control unit. Use of technology is InGaAlP, wavelengths from 560nm (pure green) to 630nm (red). Recently, Toshiba has developed a new technology UV + phosphor (UV + fluorescence), LED chip can be ultraviolet light to stimulate phosphor issued after the combination of a variety of light, such as white, pink, turquoise and other light.
5. LUMILEDS High power LED Lumileds Lighting is the world leader in lighting and solid, and its products are widely used for lighting, television, traffic signals and general lighting, Luxeon Power Light Sources are the patented product, combining the traditional lamp and LED's small size, long life characteristics. Also offers a variety of LED chips and LED packaging, red, green, blue, amber, and white LED. Lumileds Lighting based in the United States, factories in the Netherlands, Japan, Malaysia, the joint venture of Agilent and Philips in 1999, 2005 Philips full acquisition of the company.