Dominant clarify the source of white LED phosphors

LEDs Magazine reported that U.S. federal appeals court ruled that Malaysia in November 1, 2007 (CAFC) Dominant Semiconductors company violated OSRAM's patent, the patent was 6066861, 6245259, 6277301, 6592780 and 6613247 U.S. patent no.. In November 12, 2007, Dominant spokesman contacted LEDs Magazine, saying that all of its white LED is used by TOYOTA Gosei (Toyoda) and its partners authorized silicate phosphor.

From the beginning of July 2005, Dominant signed a licensing agreement, the use of non YAG fluorescent powder in all its white LED, the fluorescent powder and YAG fluorescent powder of different and have their own intellectual property rights (IP) in IP, including the United States Patent No. 6809347B2, the patent belongs to the Leuchtstoffwerk Breitungen Limited by Share Ltd, Bitec, GbR Tridonic OptoELectronics Limited by Share Ltd and TOYOTA. Therefore, all the white LED Dominant since July 1, 2005 under the protection of this license agreement. (http://www.ledsmagazine.com/news/4/11/11)

Source: China Semiconductor Lighting Network