Title:
LIQUID CRYSTAL DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/255536
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a liquid crystal display device more excellent in power consumption reduction. According to an embodiment, a liquid crystal display device comprises: a liquid crystal panel that has a pixel having a pixel memory, and a polar signal output circuit that is controlled by a polarity control signal and supplies a polar signal to the pixel; and a controller that supplies a video signal and the polarity control signal to the liquid crystal panel. The liquid crystal panel has a first mode for displaying video using the video signal continuously supplied from the controller, and a second mode for displaying video using the video signal recorded in the pixel memory. The controller has a video signal control circuit that outputs the video signal, and a microcomputer that controls the video signal control circuit. In the first mode, the video signal control circuit outputs the polarity control signal, and in the second mode, the microcomputer outputs the polarity control signal.
Inventors:
NUMATA KEITARO (JP)
IWASAKI SHINICHI (JP)
UEKURI TAMOTSU (JP)
IWASAKI SHINICHI (JP)
UEKURI TAMOTSU (JP)
Application Number:
PCT/JP2020/015575
Publication Date:
December 24, 2020
Filing Date:
April 06, 2020
Export Citation:
Assignee:
JAPAN DISPLAY INC (JP)
International Classes:
G09G3/20; G02F1/133; G09G3/36
Foreign References:
| JP2004012629A | 2004-01-15 | |||
| JP2002162949A | 2002-06-07 | |||
| JP2003108085A | 2003-04-11 | |||
| JP2000347762A | 2000-12-15 | |||
| JP2018013723A | 2018-01-25 | |||
| JP2010039250A | 2010-02-18 | |||
| US20170294169A1 | 2017-10-12 |
Attorney, Agent or Firm:
S & S INTERNATIONAL PPC (JP)
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