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. 14, 2023
Filed:
Nov. 17, 2021
Lg Display Co., Ltd., Seoul, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
A touch display device of the present disclosure may include a display panel on which a plurality of touch electrodes are electrically connected to a plurality of touch lines; a gate driving circuit for supplying scan signals to the display panel through a plurality of gate lines; a touch driving circuit for sensing a touch by detecting a touch signal from the plurality of touch electrodes and supplying a common voltage to the touch electrodes through the touch lines; a common voltage feedback line electrically connected to the plurality of touch lines or disposed to overlap with the plurality of gate lines in a non-display area of the display panel; and a common voltage compensation circuit for supplying a compensated common voltage based on a distortion in the common voltage.