ALEXANDRIA, Va., March 19 -- United States Patent no. 12,256,612, issued on March 18, was assigned to Shanghai Tianma Micro-Electronics Co. Ltd. (Shanghai).
"Display panel and display device" was invented by Jing Zhang (Shanghai) and Feng Lu (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display panel and a display device are provided. The display panel includes a display area, a light transmission area, a first frame area, a crack detection line in the first frame area, and two first connection lines. The first frame area surrounds the light transmission area and the display area surrounding the first frame area. At least a portion of the crack detection line extends along a circumferential dire...