Invention Grant
US09354745B2 Touch detection device, display device having touch detection function, electronic unit, and touch detection circuit
有权
触摸检测装置，具有触摸检测功能的显示装置，电子单元和触摸检测电路
- Patent Title: Touch detection device, display device having touch detection function, electronic unit, and touch detection circuit
- Patent Title (中): 触摸检测装置，具有触摸检测功能的显示装置，电子单元和触摸检测电路
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Application No.: US14253545Application Date: 2014-04-15
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Publication No.: US09354745B2Publication Date: 2016-05-31
- Inventor: Koji Noguchi , Yoshitoshi Kida
- Applicant: JAPAN DISPLAY WEST 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: JP2010-105575 20100430
- Main IPC: G06F3/041
- IPC: G06F3/041 ; G06F3/044
Abstract:
A touch detection device includes: a plurality of drive electrodes; a plurality of detection electrodes intersecting the plurality of drive electrodes, and each outputting, in response to driving of each of the drive electrodes, a series of detection signals; a signal correction section determining a reference based on the detection signals, and subtracting the determined reference from each of the detection signals; and a detecting section detecting an external proximity object based on corrected detection signals provided from the signal correction section.
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