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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.:

US 12493219 B1

PDFFull Text
Date of Patent:
Dec. 09, 2025

Filed:

Jun. 10, 2024

Display device

Applicant:

Magnolia White Corporation, Tokyo, JP;

Inventor:

Gen Koide, Tokyo, JP;

Assignee:

Magnolia White Corporation, Tokyo, JP;

Attorney:

K&L Gates LLP

Primary Examiner:

Brent D Castiaux

Int. Cl.
CPC ...
G02F 1/1345 (2006.01); G02F 1/1333 (2006.01); G02F 1/1362 (2006.01); G02F 1/1368 (2006.01); G06F 3/041 (2006.01); G06F 3/044 (2006.01); H10D 30/67 (2025.01); H10D 86/40 (2025.01); H10D 86/60 (2025.01); H10K 59/131 (2023.01); H10K 59/40 (2023.01); H10K 59/121 (2023.01);
U.S. Cl.
CPC ...
G02F 1/13454 (2013.01); G02F 1/13338 (2013.01); G02F 1/136286 (2013.01); G02F 1/1368 (2013.01); G06F 3/04164 (2019.05); G06F 3/04166 (2019.05); G06F 3/0443 (2019.05); H10D 86/421 (2025.01); H10D 86/441 (2025.01); H10D 86/60 (2025.01); G06F 2203/04101 (2013.01); G06F 2203/04102 (2013.01); G06F 2203/04107 (2013.01); H10D 30/6757 (2025.01); H10K 59/1213 (2023.02); H10K 59/131 (2023.02); H10K 59/1315 (2023.02); H10K 59/40 (2023.02);
Abstract

A display device is provided and includes display unit comprising common electrodes two dimensionally arrayed on substrate, drive signal lines configured to transmit drive signals for touch detection to common electrodes, and switch circuit comprising transistors connected to drive signal lines to select at least one common electrode; flexible substrate connected to substrate; pads at connections of flexible substrate and substrate; and touch detection circuit configured to transmit drive signals to common electrodes, wherein: transistors comprises: first transistor connected to first electrode of common electrodes via first wiring of first length; and second transistor connected to second electrode of common electrodes via second wiring of second length; channel width of first transistor is narrower than channel width of second transistor; drive signal lines are respectively connected to pads separated at two or more positions.

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