ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,563,906, issued on Feb. 24, was assigned to BOE Technology Group Co. Ltd. (Beijing).

"Array substrate and display apparatus" was invented by Yingtao Wang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "An array substrate is provided. The array substrate includes a pixel definition layer defining a plurality of subpixel regions. The pixel definition layer includes an undercut structure. The undercut structure includes a first insulating layer on a base substrate; and a second insulating layer on a side of the first insulating layer away from the base substrate. The first insulating layer is undercut relative to the second insulating layer."

The ...