Epistar
Encyclopedia
Epistar Corp. is the largest manufacturer of light-emitting diode
Light-emitting diode
A light-emitting diode is a semiconductor light source. LEDs are used as indicator lamps in many devices and are increasingly used for other lighting...

s (LEDs) in Taiwan
Taiwan
Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

. The company was established in 1996, and its headquarters are in the Northern Taiwanese city of Hsinchu
Hsinchu
Hsinchu City is a city in northern Taiwan. Hsinchu is popularly nicknamed "The Windy City" for its windy climate.Hsinchu City is administered as a special municipality within Taiwan . The city is bordered by Hsinchu County to the north and east, Miaoli County to the south, and the Taiwan Strait...

, In 2009 it had an annual turnover of NT
New Taiwan dollar
The New Taiwan dollar , or simply Taiwan dollar, is the official currency of the Taiwan Area of the Republic of China since 1949, when it replaced the Old Taiwan dollar...

$10 billion.

Epistar specialises in high-brightness LED products, which are used in general lighting, traffic signals, and various consumer products such as mobile phone
Mobile phone
A mobile phone is a device which can make and receive telephone calls over a radio link whilst moving around a wide geographic area. It does so by connecting to a cellular network provided by a mobile network operator...

s and laptop
Laptop
A laptop, also called a notebook, is a personal computer for mobile use. A laptop integrates most of the typical components of a desktop computer, including a display, a keyboard, a pointing device and speakers into a single unit...

 computers. The company supplies the LED backlighting for Samsung
Samsung
The Samsung Group is a South Korean multinational conglomerate corporation headquartered in Samsung Town, Seoul, South Korea...

 liquid crystal display
Liquid crystal display
A liquid crystal display is a flat panel display, electronic visual display, or video display that uses the light modulating properties of liquid crystals . LCs do not emit light directly....

s.

It is the world's largest manufacturer of red and yellow LEDs, and holds over 1000 patents. It has a history of patent disputes with competitor Philips Lumileds
Philips Lumileds Lighting Company
Philips Lumileds Lighting Company is the manufacturer of a wide range of high-power/high-efficiency light-emitting diodes . It is a now a fully owned division of Philips Lighting.-History:...

over the use of AlInGaP LED technology. However in September, 2009, Philips Lumileds signed an agreement to license AlInGaP technology to Epistar.
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