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Feb 26, 2007


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Tokyo, Japan & Boise, Idaho (USA) - February 26, 2007 - Nanoteco Corporation and SemiLEDs Corporation announced today a major breakthrough in making LED as a viable solution to the lighting markets. A single SemiLEDs' MvpLEDTM 40mil chip, packaged with proprietary Nanoteco phosphor technology, and operating at 350 mA, can produce in excess of 110 lumen, or a luminous efficacy of over 100 lumen per watt for 6000K white color, which is more than 50% brighter than the currently available products in the market. "Our phosphor technology can minimize the internal reflection of the light emitted from the LED chips and maximize the conversion efficiency of phosphor. In particular, this technology is well suited to surface emitting LEDs such as SemiLEDs' MvpLEDTM," said Kazuo Uchida, CTO of Nanoteco Corporation. "By mass-producing LED chips, together with Nanoteco's phosphor, capable of producing over 110 lumen per watt, we have achieved the 100 lumen / watt benchmark, known to be the efficacy benchmark that would enable the wild adoption of LED in the general lighting market" said Trung Doan, CEO of SemiLEDs. "This efficacy achievement is also remarkable to SemiLEDs because it occurred 2 years ahead of the projections established by the U.S. Department of Energy's."

About Nanoteco Corporation
Nanoteco Corporation is committed to development of innovative device technologies in the fields of LEDs and microwave devices and circuit designs. It develops and produces high- brightness SSL Partners using the new packaging technology and the special device structure with a transparent conducting layer. It also distributes SemiLEDs' MvpLEDTM chips and packaged MvpLEDTM in the Japanese solid-state lighting market. Nanoteco is a venture firm launched from the University of Electro-Communications in Tokyo, Japan. For more information, please visit the home page of Nanoteco Corporation at or contact us at

About SemiLEDs Corporation
SemiLEDs Corporation is the only mass producer of metal-base LED chips in the world. It designs, develops, manufactures and sells high brightness light emitting diodes (HBLED) using proprietary technologies to enable low cost lighting solutions. SemiLEDs is a US corporation, with offices in Boise, Idaho and manufacturing operations in Hsinchu Science Park, Taiwan. For additional information, please visit or contact us at or call +1-208-389-7426 (US) or +886-96-301-9668 (Taiwan).

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