US Patent Issued to LG Chem on Oct. 14 for "Diffraction light guide plate and manufacturing method thereof" (South Korean Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,843, issued on Oct. 14, was assigned to LG Chem Ltd. (Seoul, South Korea).

"Diffraction light guide plate and manufacturing method thereof" was invented by Jaeyoung Kim (Daejeon, South Korea), Hee Jung Choi (Daejeon, South Korea), Yeongrae Chang (Daejeon, South Korea), Heon Kim (Daejeon, South Korea), Hye Min Kim (Daejeon, South Korea), Youngsuk Kim (Daejeon, South Korea) and Soonhwa Jung (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A diffraction light guide plate comprising an optical layer having diffraction lattice pattern formed as an integrated structure without an interface on one surface thereof, where the optical laye...