The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 08, 2026
Filed:
Apr. 01, 2025
Japan Display Inc., Tokyo, JP;
Hirotaka Hayashi, Tokyo, JP;
Masataka Ikeda, Tokyo, JP;
JAPAN DISPLAY INC., Tokyo, JP;
Abstract
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 during the light source on period, thereby setting the first signal line test transistors in an on state, and applying a second voltage different from the first voltage from a source of each of the first signal line test transistors set in the on stat.