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Title:
LIQUID CRYSTAL DISPLAY DEVICE AND HEAD-UP DISPLAY
Document Type and Number:
Japanese Patent JP2009175298
Kind Code:
A
Abstract:

To provide a liquid crystal display device capable of suppressing the occurrence of image burn in liquid crystal and brightness variations.

In the liquid crystal display device (field sequential liquid crystal display device 100), a pixel 22 is driven in accordance with light emitted in order from a plurality of LEDs 26, and a voltage is applied to a common electrode 223 so that a polarity of a voltage for driving a liquid crystal 224 may be switched at each time of switching a light source emitting light, and there is provide a dummy period when reverse drive is performed so that a polarity of a voltage applied to the liquid crystal 224 in respective emission periods of a plurality of LEDs 26 emitting light in order may be different from the polarity of a voltage applied to liquid crystal 224 in next emission periods of corresponding LEDs 26.


Inventors:
Sato, Masatoshi
Application Number:
JP2008000012214
Publication Date:
August 06, 2009
Filing Date:
January 23, 2008
Export Citation:
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Assignee:
EPSON IMAGING DEVICES CORP
International Classes:
G09G3/36; B60K35/00; G02B27/01; G02F1/13; G02F1/133; G09G3/20; G09G3/34
Attorney, Agent or Firm:
宮園 博一