ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,522, issued on May 20, was assigned to Coretronic Corp. (Hsin-Chu, Taiwan).
"Illumination device and projection device" was invented by Yu-Hsiang Deng (Hsin-Chu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An illumination device including a laser light source, a first wavelength selective element, and a wavelength conversion element is provided. The laser light source provides a laser beam. The first wavelength selective element has different transmittances for the laser beam incident at different angles. In a first mode of the illumination device, the laser beam is incident on the first wavelength selective element at a first angle, and t...