ALEXANDRIA, Va., July 15 -- United States Patent no. 12,666,837, issued on June 23, was assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD. (Dongguan, China).

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

According to the abstract* released by the U.S. Patent & Trademark Office: "A display screen and an electronic device. The display screen comprises a first display region and a second display region connected to each other. The pixel density of the first display region is less than the pixel density of the second display region. Each of minimum repeat regions in the first display region comprises at least two pixel units, and each of the two pixel units co...