Invention Grant
- Patent Title: Display device with built-in touch screen and method for driving the same
-
Application No.: US15368473Application Date: 2016-12-02
-
Publication No.: US10915189B2Publication Date: 2021-02-09
- Inventor: SeonGeun Gim
- Applicant: LG Display Co., Ltd.
- Applicant Address: KR Seoul
- Assignee: LG Display Co., Ltd.
- Current Assignee: LG Display Co., Ltd.
- Current Assignee Address: KR Seoul
- Agency: Fenwick & West LLP
- Priority: KR10-2015-0177929 20151214
- Main IPC: G06F3/041
- IPC: G06F3/041 ; G06F3/044 ; G09G3/36

Abstract:
A display device with a built-in touch screen according to the present disclosure includes a display panel, a data driver, a gate driver, a touch sensing unit, a common voltage supplier, and a switch circuit, and further includes a common voltage adjuster to supply different common voltages to touch electrodes of the display panel, thereby resolving a local stain or screen vibration problem occurring on the display panel. Further, a method for driving a display device with a built-in touch screen according to one embodiment includes: switching the display panel from a touch mode to a display mode, generating different common voltages, and supplying two or more of the different common voltages to a plurality of touch electrodes (TE) or groups of touch electrodes (TE), thereby resolving an image quality defect.
Public/Granted literature
- US20170168620A1 Display Device with Built-In Touch Screen and Method for Driving the Same Public/Granted day:2017-06-15
Information query