US Patent Issued to SUNDIODE KOREA on July 28 for "Pixel of microdisplay having integrated catadioptric light extraction system" (California Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,696,597, issued on July 28, was assigned to SUNDIODE KOREA (South Korea).

"Pixel of microdisplay having integrated catadioptric light extraction system" was invented by James Chinmo Kim (Mountain View, Calif.) and Sungsoo Yi (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a unit pixel of a microdisplay having a concave reflector with a center aperture. The light extractor has a protrusion and a bulk portion formed using the same epitaxial growth process. The concave reflector with a center aperture is formed on the protrusion, and epitaxial growth of the light-emitting body is made through the aperture concave reflector. I...