Invention Grant
- Patent Title: Liquid crystal display device with touch panel
- Patent Title (中): 带触摸屏的液晶显示装置
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Application No.: US14314304Application Date: 2014-06-25
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Publication No.: US09373295B2Publication Date: 2016-06-21
- Inventor: Ryota Kobayashi , Tsutomu Furuhashi , Hiroshi Tanaka
- Applicant: Japan Display Inc.
- Applicant Address: JP Tokyo
- Assignee: Japan Display Inc.
- Current Assignee: Japan Display Inc.
- Current Assignee Address: JP Tokyo
- Agency: Typha IP LLC
- Priority: JP2013-133224 20130625
- Main IPC: G06F3/044
- IPC: G06F3/044 ; G09G3/36 ; G06F3/041 ; G02F1/1333

Abstract:
A liquid crystal display device with a touch panel includes: pixel electrodes as a plurality of electrodes to each of which a potential corresponding to a gray-scale value is applied; common electrodes as a plurality of electrodes that extend in one direction; detection electrodes as a plurality of electrodes that extend in a direction different from the one direction and detect a contact position on the panel; a liquid crystal layer that is formed of a liquid crystal composition; and a drive pulse output unit that sequentially applies a potential for detecting a touch to drive electrodes as a plurality of electrodes of a portion of the common electrodes, wherein the drive pulse output unit can output a drive pulse to the drive electrode at plural different timings within one horizontal synchronizing period for display.
Public/Granted literature
- US20140375604A1 LIQUID CRYSTAL DISPLAY DEVICE WITH TOUCH PANEL Public/Granted day:2014-12-25
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