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.

Date of Patent:
Dec. 16, 2025

Filed:

Aug. 29, 2023
Applicant:

Lg Display Co., Ltd., Seoul, KR;

Inventors:

Laebong Jang, Incheon, KR;

Yongsuk Kim, Paju-si, KR;

Seong-Ho Lim, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); G06F 3/044 (2006.01);
U.S. Cl.
CPC ...
G06F 3/04184 (2019.05); G06F 3/0412 (2013.01); G06F 3/04162 (2019.05); G06F 3/0441 (2019.05); G06F 3/0442 (2019.05);
Abstract

A touch display device, a driving circuit, and a driving method according to embodiments of the disclosure can output an uplink signal having a first amplitude before receiving a downlink signal and output an uplink signal having a second amplitude higher than the first amplitude after receiving the downlink signal, thereby effectively mitigating the level of electromagnetic interference noise.


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