ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,731,514, issued on Sept. 8, was assigned to JAPAN DISPLAY INC. (Tokyo).

"Display device" was invented by Hirotaka Hayashi (Tokyo) and Masataka Ikeda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to one embodiment, a display device includes a plurality of first signal line test transistors each having a drain connected to the other end of each respective one of a plurality of signal lines, and a signal line IC chip that applies a first voltage from one end of each of the plurality of signal lines during the light source on period of light sources, and an inspection image control signal is input via the video control test wiring line dur...