US Patent Issued to HTC on May 5 for "Method of manufacturing optical element and projection device" (Taiwanese Inventors)

ALEXANDRIA, Va., May 5 -- United States Patent no. 12,619,087, issued on May 5, was assigned to HTC Corp. (Taoyuan City, Taiwan).

"Method of manufacturing optical element and projection device" was invented by Qing-Long Deng (Taoyuan City, Taiwan) and Chih-Ying Chen (Taoyuan City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a holographic element used in a projection device is provided. The projection device has a light source configured to emit light conforming to a non-uniform light intensity distribution function. The method includes: multiplying the non-uniform light intensity distribution function by a diffraction intensity and angle function of a grating to obtain a p...