Invention Grant
- Patent Title: Display device
- Patent Title (中): 显示设备
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Application No.: US11498513Application Date: 2006-08-03
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Publication No.: US07714825B2Publication Date: 2010-05-11
- Inventor: Shunpei Yamazaki , Jun Koyama
- Applicant: Shunpei Yamazaki , Jun Koyama
- Applicant Address: JP
- Assignee: Semiconductor Energy Laboratory Co., Ltd.
- Current Assignee: Semiconductor Energy Laboratory Co., Ltd.
- Current Assignee Address: JP
- Agency: Cook Alex Ltd.
- Priority: JP11-072889 19990318
- Main IPC: G09G3/36
- IPC: G09G3/36
Abstract:
An object of the present invention is to provide a display device which enables multi-gray scale display without complicating the structure of D/A converter circuit.The measure taken to achieve the object is to use n bit of information among m bit digital video data inputted from external for voltage gray scale method, and (m−n) bit of information for time ratio gray scale.
Public/Granted literature
- US20060267908A1 Display Device Public/Granted day:2006-11-30
Information query
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