Invention Grant
- Patent Title: Liquid crystal display device, method for driving thereof and electronic apparatus
- Patent Title (中): 液晶显示装置及其驱动方法及电子设备
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Application No.: US11382408Application Date: 2006-05-09
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Publication No.: US09159291B2Publication Date: 2015-10-13
- Inventor: Shunpei Yamazaki , Jun Koyama , Yoshifumi Tanada , Mitsuaki Osame , Hajime Kimura , Ryota Fukumoto , Hiromi Yanai
- Applicant: Shunpei Yamazaki , Jun Koyama , Yoshifumi Tanada , Mitsuaki Osame , Hajime Kimura , Ryota Fukumoto , Hiromi Yanai
- Applicant Address: JP Atsugi-shi, Kanagawa-ken
- Assignee: Semiconductor Energy Laboratory Co., Ltd.
- Current Assignee: Semiconductor Energy Laboratory Co., Ltd.
- Current Assignee Address: JP Atsugi-shi, Kanagawa-ken
- Agency: Fish & Richardson P.C.
- Priority: JP2005-148832 20050520
- Main IPC: G09G3/36
- IPC: G09G3/36 ; G09G3/20

Abstract:
The liquid crystal display device performs display by changing the number of gray scales depending on external light intensity, and switches the display mode in accordance with a content to be displayed on a display. By controlling a display mode-specific video signal generation circuit depending on external light intensity, an inputted video signal is outputted as an analog value, is outputted with a digital value of a binary, or is outputted with a multiple digital value. As a result, display gradation of a pixel changes timely. Accordingly, a clear image can be displayed. For example, a display device which secures visibility can be obtained in a wide range from under fluorescent light in a dark place or indoor to under outdoor sunlight.
Public/Granted literature
- US20060262066A1 LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC APPARATUS Public/Granted day:2006-11-23
Information query
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