ALEXANDRIA, Va., July 28 -- United States Patent no. 12,696,642, issued on July 28, was assigned to SAMSUNG DISPLAY Co. LTD. (Yongin-si, South Korea).
"Display panel" was invented by Seungcheol Ko (Yongin-si, South Korea) and Yongjun Park (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display panel includes a substrate comprising an opening. A plurality of light-emitting diodes is arranged in a display area surrounding the opening. A plurality of grooves is located in a middle area between the opening and the display area and disposed on at least one inorganic insulating layer on the substrate. At least one groove of the plurality of grooves includes a tip protruding towards a cente...