ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,386,250, issued on Aug. 12, was assigned to HISENSE LASER DISPLAY Co. LTD (Qingdao, China).
"Laser projection apparatus" was invented by Kai Wu (Shandong, China) and Zhen Wang (Shandong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A laser projection apparatus includes a display control circuit, a laser source, a laser source driving circuit, and a light modulation device. The display control circuit includes an algorithm processor and a control processor. The algorithm processor is configured to: determine a gain value Alpha of each frame of image according to a gray scale value of each frame of image, and transmit N current control signals, M ...