Invention Grant
US07671829B2 Driving method and driving circuit for color liquid crystal display
有权
彩色液晶显示器的驱动方法和驱动电路
- Patent Title: Driving method and driving circuit for color liquid crystal display
- Patent Title (中): 彩色液晶显示器的驱动方法和驱动电路
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Application No.: US11243626Application Date: 2005-10-05
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Publication No.: US07671829B2Publication Date: 2010-03-02
- Inventor: Noriaki Sugawara , Kouichi Koga
- Applicant: Noriaki Sugawara , Kouichi Koga
- Applicant Address: JP
- Assignee: NEC LCD Technologies, Ltd.
- Current Assignee: NEC LCD Technologies, Ltd.
- Current Assignee Address: JP
- Agency: Hayes Soloway P.C.
- Priority: JP316873/1999 19991108
- Main IPC: G09G3/36
- IPC: G09G3/36

Abstract:
A driving method for a color liquid crystal display which drives the color liquid crystal display based on a video red signal, a video green signal and a video blue signal by independently applying a gamma compensation to a clamped video red signal, a clamped video green signal and a clamped video blue signal in gamma compensating circuits in order to make suitable to a red transmittance characteristic, a green transmittance characteristic and a blue transmittance characteristic. With this operation, it is possible to carry out an optimal gamma compensation suitable to a characteristic of the color liquid crystal display and to remove a gradation batter occurring in a specific color.
Public/Granted literature
- US20060071894A1 Driving method and driving circuit for color liquid crystal display Public/Granted day:2006-04-06
Information query
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