Toshiba starts the mass production of white LEDs

Published:2012/8/1 1:47:00 Author:Ecco From:SeekIC

According to Toshiba Corp., it would start mass production of white light-emitting diodes (LEDs) on a production line that the company will build within its 200-mm wafer fab at subsidiary Kaga Toshiba Electronics Corp. in northern Japan. The project would start in October.

Toshiba said that their white LEDs are winning wide acceptance in the applications of general purpose lighting, TV backlighting and other so on because of energy efficiency. The company estimates that the market for white LEDs will grow from to 1 trillion yen (about $12.5 billion) from about 700 billion yen (roughly $8.75 billion) in fiscal 2013.

Toshiba announced it would use gallium nitride-on-silicon—a technology that secures growth of gallium nitride (GaN) crystals on a silicon substrate—to the development of white LEDs. The company said it has worked with Bridgelux Inc., a developer a of LED lighting technologies, in white LED chip development since January.

The integration of Bridgelux’s crystal growth and LED chip structure and Toshiba’s advanced silicon process and manufacturing technology has succeeded in developing a prototype chip with a maximum optical output of 614mW.

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