US Patent Issued to Changsha Pujiade Photoelectric Technology on May 27 for "Micro-display optical engine and projector" (Chinese Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,963, issued on May 27, was assigned to Changsha Pujiade Photoelectric Technology Co. Ltd (Changsha, China).

"Micro-display optical engine and projector" was invented by Ling Chen (Hunan, China), Rao Chen (Hunan, China), Yating Pan (Hunan, China) and Jie Wang (Hunan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclose discloses a micro-display optical engine including a micro-LED panel, a coolant, a thin lens, a metal frame, a connecting pillar and a projection lens; the micro-LED panel comprises a substrate, a number of pixel light-emitting micro-LED grains, a glass plate, a metal bracket, a sealing frame, a radiator, a filling...