发明申请
- 专利标题: ACTIVE MATRIX DISPLAY APPARATUS AND DRIVING METHOD THEREOF
- 专利标题(中): 主动矩阵显示装置及其驱动方法
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申请号: US12182582申请日: 2008-07-30
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公开(公告)号: US20090033599A1公开(公告)日: 2009-02-05
- 发明人: Somei Kawasaki , Fujio Kawano
- 申请人: Somei Kawasaki , Fujio Kawano
- 申请人地址: JP Tokyo
- 专利权人: CANON KABUSHIKI KAISHA
- 当前专利权人: CANON KABUSHIKI KAISHA
- 当前专利权人地址: JP Tokyo
- 优先权: JP2007-202991 20070803
- 主分类号: G09G3/30
- IPC分类号: G09G3/30
摘要:
An active matrix display apparatus comprising two-dimensional arranged pixel circuits each including a display element connected with a signal line for supplying a current thereto and a scanning line, and further including a drive transistor and a capacitor, one terminal thereof being connected to a control terminal of the drive transistor, wherein a first main conductive terminal of the drive transistor and the other terminal of the capacitor are connected to a lighting power source for supplying a current to the display element, and wherein at the current writing operation, the current supplied to the signal line is conducted to the drive transistor and at the lighting operation, the conductive current is injected into the display element so that before completion of the write operation, a voltage drop by a predetermined value is started to the voltage of the lighting power source and is kept continued for a predetermined period.
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