Invention Grant
- Patent Title: Display device with touch sensor, potential control method and program
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Application No.: US16518645Application Date: 2019-07-22
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Publication No.: US10606431B2Publication Date: 2020-03-31
- Inventor: Takeya Takeuchi , Hiroshi Mizuhashi , Tadayoshi Katsuta , Takehiro Shima
- Applicant: Japan Display Inc.
- Applicant Address: JP Tokyo
- Assignee: Japan Display Inc.
- Current Assignee: Japan Display Inc.
- Current Assignee Address: JP Tokyo
- Agency: K&L Gates LLP
- Priority: JP2011-255533 20111122
- Main IPC: G06F3/041
- IPC: G06F3/041 ; G06F3/044 ; G02F1/1333 ; G09G3/36

Abstract:
A display device with a touch sensor includes: plural display pixel electrodes; a common electrode arranged opposite to the display pixel electrodes; a display function layer having an image display function; a display control circuit performing image display control so as to fulfill the display function of the display function layer by applying a voltage for display between the display pixel electrodes and the common electrode based on an image signal; and a touch detection electrode provided opposite to the common electrode and forming capacitance between the touch detection electrode and the common electrode, wherein a drive voltage for display applied to the common electrode by the display control circuit is used as a drive signal for the touch sensor, and a gate potential of TFT circuits included in the display pixel electrodes is increased during a period when the drive signal for the touch sensor is applied.
Public/Granted literature
- US20190339801A1 DISPLAY DEVICE WITH TOUCH SENSOR, POTENTIAL CONTROL METHOD AND PROGRAM Public/Granted day:2019-11-07
Information query