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Title:
Semiconductor device
Document Type and Number:
Japanese Patent JP5933904
Kind Code:
B2
Abstract:
An object is to provide a liquid crystal display device which can recognize image display even when the liquid crystal display device is used in a dim environment. In one pixel, a pixel electrode including both of a region where incident light through a liquid crystal layer is reflected and a transmissive region is provided, and image display can be performed in both modes: the reflective mode where external light is used as an illumination light source; and the transmissive mode where the backlight is used as an illumination light source. When there is external light with insufficient brightness, that is, in a dim environment, the backlight emits weak light and an image is displayed in the reflective mode, whereby image display can be performed.

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Inventors:
Shunpei Yamazaki
Jun Koyama
Yoshiharu Hiragata
Application Number:
JP2015157059A
Publication Date:
June 15, 2016
Filing Date:
August 07, 2015
Export Citation:
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Assignee:
Semiconductor Energy Laboratory Co., Ltd.
International Classes:
G02F1/1335; G02F1/1368
Domestic Patent References:
JP200175091A
JP2003177396A
JP2004537754A
JP2011154359A
JP2011154356A
Foreign References:
US20050146658



 
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