US Patent Issued to HTC on Aug. 18 for "Waveguide device and optical engine" (Taiwanese Inventors)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,710,592, issued on Aug. 18, was assigned to HTC Corp. (Taoyuan City, Taiwan).

"Waveguide device and optical engine" 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 waveguide device includes a first diffractive element, a second diffractive element, a third diffractive element, and a waveguide element. The first diffractive element is configured to diffract light of a wavelength to propagate with a diffraction angle. The second diffractive element is configured to diffract the light of the wavelength to propagate with the diffraction angle. The third diffracti...