US Patent Issued to Bridgelux on July 22 for "LED-filament comprising a light scattering material layer" (California Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,334, issued on July 22, was assigned to Bridgelux Inc. (Fremont, Calif.).

"LED-filament comprising a light scattering material layer" was invented by Gang Wang (Sunnyvale, Calif.), Jun-Gang Zhao (Fremont, Calif.) and Yi-Qun Li (Danville, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An LED-filament comprising: a partially light transmissive substrate; a plurality of LED chips on a front face of the substrate; a photoluminescence material that is in direct contact with and covers all of the plurality of LED chips; and a light scattering layer that is in direct contact with and covers at least the photoluminescence material, wherein the light ...