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Nichia Initiates U.K. Patent Infringement Lawsuit
against Seoul Semiconductor

Newest lawsuit by Nichia based on the "Annealing Patent"

Nichia Corporation Press Release

FlashlightNews.org - 9/17/2008
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Acriche LED Lighting System

Seoul Semiconductor's Acriche LED Lighting System

TOKYO, Japan - On September 16, 2008, Nichia Corporation ("Nichia") filed a new action for infringement and damages in the U.K. against Seoul Semiconductor Co., Ltd. ("Seoul Semiconductor"; incorporated in Korea) and other(s) based on the EP(UK) 0 541,373 patent, "Method of Manufacturing P-type Compound Semiconductor,"(the Annealing Patent) which is one of Nichia's most important patents and relates to a thermal annealing method for manufacturing a p type GaN-based semiconductor.

The LED products in question are from Seoul Semiconductor's ACRICHE series, which is produced on a large scale. The Annealing Patent is considered a fundamental and indispensable patent for the mass production of GaN-based LEDs and LDs. Nichia believes that LED chips installed in the white LED products of the ACRICHE series are manufactured using the process disclosed in the Annealing Patent.

Nichia places great significance on the proper protection of intellectual property rights, and will continue to exercise its rights aggressively around the world.

About Nichia Corporation

Having "Ever Researching for a Brighter World" as our motto, Nichia has grown in the field of manufacturing and sales of fine chemicals, particularly inorganic luminescent materials (phosphors). In the process of the challenging pursuit of brighter luminescent and light-emitting materials, we succeeded in developing and commercializing the super high brightness Blue LED in 1993. It was accepted with great amazement in the related industries throughout the world. Since the first announcement of the Blue LED in 1993, Nitride-based LEDs in different emission colors ranging from Ultraviolet to Yellow have been contributing to the diversification of LED application fields. In addition to LEDs, a lot of resources are now being focused on the R/D of bluish purple laser diodes, which will definitely play a key role for the further expansion of the information media industry. We have a belief that Nitride-based semiconductors will become one of the most exciting areas of the semiconductor industry in the near future. We hope that Nichia continue to be a company which will be able to make a contribution to the world by evolving its original and unique technologies into the actual manufacturing.

For more information, visit www.nichia.com.

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