30 LED-manufacturers are being sued

Gertrude Neumark Rothschild of Columbia University is an expert in the field of LED-technology. She has now filed a suit against 30 manufacturers for the violation of patent rights. This regards a patent, issued in 1993, about the usage of gallium nitrite in the production of blue/purple LED and laser diodes. According to IDG will the market for such diodes reach about US$ 7.2 billion in 2009. Ms Neumark Rothschild has already sued Philips on a previous occasion, but both agreed to an out-of-court settlement. A list of companies that are being sued: Avago Technologies of Singapore Bacol Optoelectonic Co. Ltd. of Taiwan Dominant Semiconductors Sdn. Bhd. of Malaysia Everlight Electronics Co., Ltd., of Taiwan Exceed Perseverance Electronic Ind. Co., Ltd., of China Guangzhou Hongli Opto-Electronic Co., Ltd., of China Harvatek Internaional Inc. of Taiwan Hitachi, Ltd., of Japan Kingbright Electronic Co., Ltd., of Taiwan LG Electronics of Korea Lite-On Technology Corp. of Taiwan Lucky Light Electronics Co., Ltd., of China Matsushita Electric Industrial Co., Ltd., of Japan Motorola, Inc., of Schaumburg, IL Nokia of Finland Opto Tech Corporation of Taiwan Pioneer Corporation of Japan Rohm Co., Ltd., of Japan Samsung Group of Korea Sanyo Electric Co., Ltd., of Japan Seoul Semiconductor Co., Ltd., of Korea Sharp Corporation of Japan Shenzhen Unilight Electronic Co., Ltd., of China Shinano Kenshi Co., Ltd., of Japan Sony Corporation of Japan Sony Ericsson Mobile Communications AB of Sweden Stanley Electric Co., Ltd., of Japan Toshiba Corporation of Japan Vishay Intertechnology, Inc., of Malvern, PA Yellow Stone Corporation of Taiwan