US Patent Issued to GOERTEK OPTICAL TECHNOLOGY on July 22 for "Light guide device, light guide assembly and display equipment" (Chinese Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,696, issued on July 22, was assigned to GOERTEK OPTICAL TECHNOLOGY Co. LTD. (Shandong, China).

"Light guide device, light guide assembly and display equipment" was invented by Yi Rao (Weifang, China) and Xin Cheng (Weifang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a light guide device, a light guide assembly and a display equipment. The light guide device includes a substrate including two opposite surfaces and a sidewall connected between the two surfaces; a coupling-out pupil expansion region provided at the surface; and a reflection layer, wherein a reflection interface of the reflection layer is towards an interior of t...