Invention Grant
- Patent Title: Touch panel and display device
- Patent Title (中): 触摸屏和显示设备
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Application No.: US14178410Application Date: 2014-02-12
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Publication No.: US09182866B2Publication Date: 2015-11-10
- Inventor: Yoshinori Inagaki , Shigeyuki Nishitani , Kouichi Anno
- Applicant: Japan Display, Inc. , Panasonic Liquid Crystal Display Co., Ltd.
- Applicant Address: JP Tokyo JP Hyogo
- Assignee: Japan Display, Inc.,Panasonic Liquid Crystal Display Co., Ltd.
- Current Assignee: Japan Display, Inc.,Panasonic Liquid Crystal Display Co., Ltd.
- Current Assignee Address: JP Tokyo JP Hyogo
- Agency: Lowe Hauptman & Ham, LLP
- Priority: JP2010-097491 20100421
- Main IPC: G06F3/044
- IPC: G06F3/044 ; G06F3/041

Abstract:
Provided is an electrostatic capacitance type touch panel, wherein lead lines are connected to respective end portions of at least either one of the X electrodes and the Y electrodes respectively, the touch panel further comprises an inspection electrode which is laminated to respective end portions of the at least either one of the X electrodes and the Y electrodes with an insulation film sandwiched therebetween on a side where the lead lines are not connected to the at least either one of the X electrodes and the Y electrodes, and a voltage for inspection is supplied to the inspection electrode during an inspection time and a voltage at the same phase as the drive voltage supplied to the at least either one of the X electrodes and the Y electrodes is supplied to the inspection electrode during a usual operation time.
Public/Granted literature
- US20140160072A1 TOUCH PANEL AND DISPLAY DEVICE Public/Granted day:2014-06-12
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