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LED Chips, Phosphors, Optics, Drivers

Seoul Semiconductor Expands Patent Litigation Against Fry’s

Seoul Semiconductor Co., Ltd., reported that it expanded its patent infringement litigation against Fry’s Electronics, Inc., a big-box consumer electronics retailer, in the United States District Court for the Eastern District of Texas. In its amended complaint, Seoul asserts that top brand televisions sold in Fry’s stores infringe 19 Seoul …

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Nichia Launches Color-Temperature-Tunable COB LED Series

Adjusting light color and color temperatures is at the center of human-centric lighting designs that helps maintain natural biological rhythms. However, the designing color tuning with multiple LED packages on a board is complex and requires some ingenuity. Such a design makes it very difficult to create a color tunable …

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MCC Wins Infringement Litigation in China Concerning Red Phosphor Patents

Lumileds Luxeon Color

Mitsubishi Chemical Corporation (MCC) of Tokyo, Japan reported that on October 30, in the company’s first patent litigation against Yantai Shield Advanced Materials, it obtained a judgment recognizing the company’s infringement of its patent for red phosphor in China. This litigation involves the basic patent for red phosphor called CASN, …

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Nichia Wins Infringement Case Against Everlight Subsidiary WOFI After WOFI Withdrew Appeal

On October 1, 2018, WOFI Leuchten Wortmann & Filz GmbH, a German subsidiary of Everlight Electronics Ltd. of Taiwan, completely withdrew its appeal (docket number I-2 U 33/17) against the judgment of the Düsseldorf District Court. The company withdrew its appeal against the court judgement concerning the YAG patent EP …

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University of Houston Researchers Use Machine Learning to Identify Potential Phosphor Compounds

Researchers from the University of Houston have demonstrated the use of machine learning to identify promising phosphor compounds. Rare-earth substituted inorganic phosphors form a critical light color conversion component for solid state lighting. Traditionally, trial and error has been the method for discovering inorganic phosphors. The researchers used a machine …

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Everlight Reports Favorable Final Ruling in US Patent Case Against Nichia

Everlight Electronics (known as Yiguang Electronics in China) reported that the Federal Circuit Court of Michigan issued a final judgment on October 1, 2018, related to the company’s case against the Japanese firm, Nichia. The ruling dismissed Nichia’s the request for an appeal and reaffirmed the validity of Everlight’s US …

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Archipelago and Seoul Settle Patent Disputes

Seoul Semiconductor based in Ansan, South Korea, reported that it and Seoul Viosys Co., Ltd. have resolved two patent infringement lawsuits it filed against Archipelago Lighting, Inc. in the U.S. Federal District Court for the Central District of California. Archipelago sells LED bulbs. In 2017, Seoul filed the company’s first …

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Micro-LED Developer VueReal Awarded $8.5 Million from SDTC

VueReal Inc., a developer of fundamental technologies for micro- and nano-devices, is pleased to announce $8.5 million in funding from Sustainable Development Technology Canada (SDTC). The new funding brings the company’s total project investment to over $26.0 million. VueReal intends to use the funding to expand its Waterloo team and launch …

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