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:
Mar. 10, 2020

Filed:

Apr. 20, 2018
Applicant:

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

Inventors:

Ki-Jeong Lee, Gumi-si, KR;

Yun-Jong Choi, Chilgok-gun, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); G06F 3/044 (2006.01); G09G 3/20 (2006.01); G09G 3/3225 (2016.01); G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0412 (2013.01); G06F 3/044 (2013.01); G06F 3/0416 (2013.01); G09G 3/20 (2013.01); G09G 3/3225 (2013.01); G09G 3/3696 (2013.01); G09G 2310/0297 (2013.01); G09G 2310/08 (2013.01); G09G 2330/028 (2013.01);
Abstract

A touch display device includes: a timing controlling unit generating a touch synchronizing signal, an image data, a data controlling signal and a gate controlling signal; a micro controlling unit generating first to third selecting signals; a touch power unit including a MUX input part and a MUX part, the MUX input part deactivated during a display period and activated during a touch period, the MUX part generating a modified common voltage and first and second gate low voltages; a data driving unit generating a data voltage; a gate driving unit generating a modified gate voltage; and a touch display panel displaying an image during the display period and sensing a touch during the touch period.


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