German court orders recall of Everlight LED products

August 28, 2019 //By Julien Happich
Everlight LED
Seoul Semiconductor announced that it won a patent infringement lawsuit against Mouser Electronics, a global distributor of LED products in Germany, including a 2835 (2.8x3.5mm) LED package manufactured by Everlight Electronics.

The District Court of Düsseldorf in Germany issued a permanent injunction against the sales of the accused Everlight products and ordered the distributor to recall such products sold after February 2017 from commercial customers. The decision was issued in the first instance.

The patented technology involved in this litigation is a Multi-Wavelength Insulation Reflector technology that serves to efficiently improve light reflectivity from the internal LED structure by attaching a light reflection structure to the LED chip, which would ensure durability and high efficiency of lighting significantly, according to Seoul Semiconductor. It has been widely applied to most cost effective mid-power LED products, such as those used in lighting, LCD backlight, mobile phone and automotive applications, where power consumption is 0.5W to 3W (watt). The 2835 (2.8x3.5mm), 3030 (3.0x3.0mm) and 5630 (5.6x3.0mm) LED packages are universal products in the industry.

In December 2018, Seoul also obtained permanent injunction against Everlight high power LED product and a recall was issued for such products sold after July 13, 2012 from commercial customers. This patented technology serves to efficiently extract light emitted from the internal LED structure by treating LED chip surfaces, and applies to high-power LED products, including UV and white LEDs involved in this litigation. Seoul states it won all 10 patent litigations against Everlight or its distributor in five major countries including Europe and Asia – Korea and Japan. Specifically, Everlight filed a patent invalidation action, but the patent office dismissed it and confirmed the validity of Seoul’s patents, notes the company.

Seoul Semiconductor -

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