Invention Grant
- Patent Title: Display device and touch detection device
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Application No.: US15091356Application Date: 2016-04-05
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Publication No.: US10474276B2Publication Date: 2019-11-12
- Inventor: Hiroshi Mizuhashi , Hayato Kurasawa , Fumitaka Gotoh , Daichi Suzuki
- 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: JP2015-085185 20150417
- Main IPC: G06F3/041
- IPC: G06F3/041 ; G06F3/044 ; G06F3/046

Abstract:
To provide a display device with a touch detection function capable of suppressing an increase in price. The display device is provided with a pixel array which includes a plurality of pixels; a plurality of signal lines which supply an image signal to the plurality of pixels; a plurality of drive electrodes which supply a drive signal to the plurality of pixels; and an electrode driving circuit which supplies a magnetic field drive signal to the drive electrode at a time of detecting an external proximity object using the magnetic field, and supplies an electric field drive signal to the drive electrode at a time of detecting the external proximity object using the electric field.
Public/Granted literature
- US20160306489A1 DISPLAY DEVICE AND TOUCH DETECTION DEVICE Public/Granted day:2016-10-20
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