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Title:
DRIVING METHOD OF PIXEL CIRCUIT, ELECTRO-OPTICAL DEVICE, AND ELECTRONIC APPARATUS
Document Type and Number:
Japanese Patent JP2006171794
Kind Code:
A
Abstract:

To effectively suppress the degradation of display quality, which is caused by errors included in a current supplied to an electro-optical element.

A pixel circuit includes a capacitor C1, transistors T1 and T2 constituting a current mirror, and an organic EL element OLED. When a first driving mode is set, the transistor T1 functions as a programming element for writing data corresponding to a data current Idata to the capacitor C1, and the transistor T2 functions as a driving element for generating a driving current Ioled in accordance with data held in the capacitor C1. When a second driving mode periodically switched to the first driving mode alternately is set, the transistor T1 functions as a programming element, and the transistor T1 functions as a driving element.


Inventors:
Yamazaki, Katsunori
Iino, Seiichi
Application Number:
JP2006000064948
Publication Date:
June 29, 2006
Filing Date:
March 09, 2006
Export Citation:
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Assignee:
SEIKO EPSON CORP
International Classes:
G09G3/30; G09G3/20; G09G3/22; G09G3/34; G09G3/38; H01L51/50