ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,426,480, issued on Sept. 23, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).
"Organic light emitting display device" was invented by Yoonsun Choi (Hwaseong-si, South Korea), Wonsuk Choi (Seoul, South Korea) and Sang Hyun Jun (Suwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An organic light emitting display device includes a substrate, a light emitting structure, a first conductive pattern, and a functional module. The substrate has an opening region, a peripheral region surrounding the opening region, and a display region surrounding the peripheral region, and includes a first groove, which has an enlarged lower ...