Title:
Liquid crystal display
Document Type and Number:
Japanese Patent JP6022320
Kind Code:
B2
Abstract:
A liquid crystal display device having a plurality of pixels arranged in a matrix form includes a liquid crystal display panel which includes: a first substrate, a second substrate, and liquid crystal sealed between the first substrate and the second substrate. The second substrate includes detection electrodes for a touch panel. Each of the pixels has a pixel electrode and a counter electrode. The counter electrode is divided into a plurality of blocks. The counter electrode in each of the divided blocks is provided in common for the respective pixels in a plurality of consecutive display lines. The counter electrode in each of the divided blocks doubles as a scanning electrode for the touch panel. The liquid crystal display device includes means which, in a low-power standby mode, detects the presence of a touch by using only the plural detection electrodes.
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Inventors:
Kamanagi Tamanaka
Masahiro Tokita
Masahiro Tokita
Application Number:
JP2012253804A
Publication Date:
November 09, 2016
Filing Date:
November 20, 2012
Export Citation:
Assignee:
Japan Display Co., Ltd.
International Classes:
G06F3/041; G09G3/20; G09G3/36
Domestic Patent References:
| JP2012068980A | ||||
| JP2012042862A | ||||
| JP2012203901A | ||||
| JP2012527052A | ||||
| JP2013232162A |
Foreign References:
| US20080174321 | ||||
| US20120075239 | ||||
| US20120044195 | ||||
| US20120268422 | ||||
| US20130293507 | ||||
| US9019215 | ||||
| WO2011055534A1 |
Attorney, Agent or Firm:
Polaire Patent Business Corporation
Akita Haruki
Keiichi Chino
Akita Haruki
Keiichi Chino
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