Invention Grant
- Patent Title: Active matrix substrate and display device having the same
- Patent Title (中): 有源矩阵基板和显示装置具有相同的功能
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Application No.: US12311968Application Date: 2007-06-15
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Publication No.: US08107032B2Publication Date: 2012-01-31
- Inventor: Toshihide Tsubata
- Applicant: Toshihide Tsubata
- Applicant Address: JP Osaka
- Assignee: Sharp Kabushiki Kaisha
- Current Assignee: Sharp Kabushiki Kaisha
- Current Assignee Address: JP Osaka
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: JP2006-298440 20061102
- International Application: PCT/JP2007/062113 WO 20070615
- International Announcement: WO2008/053612 WO 20080508
- Main IPC: G02F1/1343
- IPC: G02F1/1343 ; G02F1/136

Abstract:
In one embodiment of the present invention, a display device is enabled to make the display impulse and to improve the charging characteristics of pixel capacities while suppressing the complexity of a drive circuit or the like and the increase in the operating frequency. In an active matrix substrate of a liquid crystal display device, each pixel electrode is connected through a pixel TFT with a source line and through a discharging TFT with a holding capacity line. For one frame period, a liquid crystal capacity, as established by the pixel electrode corresponding to each display line and a common electrode, is charged, when the pixel TFT is turned ON by a pixel scanning signal on a pixel gate line, and is then discharged when the discharging TFT is turned ON by a discharging scanning signal on a discharging gate line. The source line is subjected to a 2-H dot inverse drive but to a charge share for every horizontal periods.
Public/Granted literature
- US20100026921A1 Active matrix substrate and display device having the same Public/Granted day:2010-02-04
Information query
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