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:
Sep. 08, 2020

Filed:

Dec. 27, 2018
Applicant:

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

Inventors:

Suyun Ju, Gangwon-do, KR;

HyungUk Jang, Goyang-si, KR;

SangHyuck Bae, Seoul, KR;

Sungsu Han, Goyang-si, KR;

DoYoung Jung, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/01 (2006.01); G06F 3/041 (2006.01); G06F 3/044 (2006.01); G06F 3/0354 (2013.01); G06F 3/0488 (2013.01);
U.S. Cl.
CPC ...
G06F 3/03545 (2013.01); G06F 3/017 (2013.01); G06F 3/0416 (2013.01); G06F 3/0442 (2019.05); G06F 3/04162 (2019.05); G06F 3/04166 (2019.05); G06F 3/04883 (2013.01); G06F 3/0412 (2013.01); G06F 3/0443 (2019.05); G06F 2203/04114 (2019.05);
Abstract

The aspects of the present disclosure relate to a touch display device, a touch system, a touch driving circuit, a pen, and a pen sensing method, and more particularly, to a touch display device, a touch system, a touch driving circuit, a pen, and a pen sensing method, which may receive a first downlink signal and a second downlink signal output from a pen through all or some of a plurality of touch electrodes and may sense the pen based on received signal strength for each touch electrode for the first downlink signal and received signal strength for each touch electrode for the second downlink signal. According to the aspects of the present disclosure, the pen may be accurately sensed even when a user uses the pen in a tilted manner.


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