Invention Grant
- Patent Title: Electro-optical apparatus and method of driving the electro-optical apparatus
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Application No.: US12219511Application Date: 2008-07-23
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Publication No.: US08188943B2Publication Date: 2012-05-29
- Inventor: Toshiyuki Kasai , Yoichi Imamura , Tokuro Ozawa
- Applicant: Toshiyuki Kasai , Yoichi Imamura , Tokuro Ozawa
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oliff & Berridge, PLC
- Priority: JP2003-140973 20030519; JP2004-084651 20040323
- Main IPC: G09G3/30
- IPC: G09G3/30

Abstract:
The invention provides an electro-optical apparatus that can prevent a shift in a threshold voltage of an amorphous silicon transistor while driving an organic EL device in a pixel circuit including the amorphous silicon transistor. A characteristic-adjustment circuit can be provided, which has a function of returning a shift in the threshold voltage of the amorphous silicon transistor included in the pixel circuit to the original state.
Public/Granted literature
- US20090184986A1 Electro-optical apparatus and method of driving the electro-optical apparatus Public/Granted day:2009-07-23
Information query
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