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:
Feb. 06, 2024
Filed:
Oct. 05, 2022
Japan Display Inc., Tokyo, JP;
Tadayoshi Katsuta, Tokyo, JP;
Hiroshi Mizuhashi, Tokyo, JP;
Japan Display Inc., Tokyo, JP;
Abstract
A display device with is touch detection function is provided and includes display area where electrodes are arranged in matrix having first and second directions crossing above substrate; common electrodes provided so as to face pixel electrodes; pixel signal lines each coupled to pixel electrodes, extending in first direction; control device for performing image display control and including drive signal generator and source driver; single first wire to which both display drive voltage and touch drive signal are supplied from drive signal generator, and selection switches for selecting common electrodes, wherein the drive signal generator includes first and second voltage generators for generating first and second voltages, and switching circuit for switching between first and second voltages, and wherein selection switches each coupled to single first wire via first coupling conductor and coupled to common electrode via second coupling conductor are arranged in frame area along single first wire, and are overlapped by single first wire that is supplied with display drive voltage from drive signal generator and that is supplied with touch drive signal from drive signal generator.