ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,405,500, issued on Sept. 2, was assigned to LG Chem Ltd. (Seoul, South Korea).
"Substrate" was invented by Han Min Seo (Daejeon, South Korea), Seung Heon Lee (Daejeon, South Korea), Jin Hong Kim (Daejeon, South Korea), Min Jun Gim (Daejeon, South Korea) and Young Jin Park (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application provides a substrate comprising a spacer pattern. The present application can provide a substrate, which is applied to various optical devices, capable of evenly and stably maintaining a gap between substrates while maximally securing an active region without causing any optical defects, includ...