Seoul Semiconductor Files Filament LED Patent Lawsuit Against Feit Electric’s Distributor for Infringement of 16 LED Patents

By Associated Press 14 October 2021, 12:00AM

ANSAN, South Korea--(BUSINESS WIRE)--Oct 14, 2021--

Seoul Semiconductor Co., Ltd. (“Seoul”) (KOSDAQ 046890), a leading global innovator of LED products and technology, announced that it has filed a patent infringement lawsuit in the United States District Court for the Western District of Texas against Ace Hardware, a global retail company, for selling filament LED bulbs and other LED products manufactured by Feit Electric. Seoul claims that the infringement is willful and that Ace Hardware has continued to sell Feit Electric’s products despite repeated notices.

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Seoul Semiconductor’s 16 patented technologies (Graphic: Business Wire)

In its complaint, Seoul asserts infringement of 16 LED patents covering the manufacturing of LED epitaxy, chips, packages, modules, lenses, and drivers. Those second generation LED technologies include technologies for high color rendering, LED driver for high-voltage operation, LED multi-junction, light diffusion lens, light extraction, and LED reliability. Such technology is the result of more than USD 1 billion of R&D investment.

“While global companies emphasize corporate responsibility, such as ESG, many companies still manufacture and sell products that may infringe intellectual properties in order to gain short-term profits,” said Myeong-Ki Hong, CEO of Seoul. “We are concerned that young innovators and small businesses are the ones who are harmed,” he added.

Seoul has already successfully obtained permanent injunctions for filament LED product sales several times in Europe and the U.S. In September 2020, the German District Court of Düsseldorf issued permanent injunctions, an order of recall and destruction against filament LED bulbs manufactured by a Phillips brand affiliate. In the U.S., the Texas Northern District Court also issued a permanent injunction against certain LED bulbs distributed by America’s largest online bulb retailer in September 2019. Seoul also secured permanent injunctions against retailers selling certain Feit Electric products in the Eastern District of Texas and Central District of California.

About Seoul Semiconductor

Seoul Semiconductor is the world’s second-largest global LED manufacturer, a ranking excluding the captive market, and has more than 10,000 patents. Based on a differentiated product portfolio, Seoul offers a wide range of technologies, and mass produces innovative LED products for indoor and outdoor lighting, automotive, IT products, such as mobile phones, computer displays, and other applications, as well as the UV area. The company’s world’s first development and mass production products are becoming the LED industry standard and leading the global market with a package-free LED, WICOP; a high-voltage AC-driven LED, Acrich; an LED with 10X the output of a conventional LED, nPola; a cutting edge ultraviolet clean technology LED, Violeds; an all direction light emitting technology, filament LED; a natural sun spectrum LED, SunLike; and more. For more information, please visit

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CONTACT: Seoul Semiconductor Co., Ltd.

Jeonghee Kim

Tel: +82-70-4391-8311

Email:[email protected]



SOURCE: Seoul Semiconductor Co., Ltd.

Copyright Business Wire 2021.

PUB: 10/14/2021 02:00 AM/DISC: 10/14/2021 02:02 AM

By Associated Press 14 October 2021, 12:00AM
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