ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,538,652, issued on Jan. 27, was assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD. (Guangdong, China).

"Display screen and electronic device" was invented by Zhou Sun (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display screen includes a first display area, which is provided with a first pixel unit array, and a second display area, which is provided with a second pixel unit array, wherein the pixel density of the first display area is less than that of the second display area, the first display area includes a first sub-area and a second sub-area, and the second sub-area is connected to the first sub-area and the secon...