Active-matrix display device and method of driving the same

Details Active-matrix display device and method of driving the same Active-matrix display device and method of driving the same

2006-06-06

2006-06-06

Chow, Dennis-Doon (Department: 2677)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S082000

Reexamination Certificate

active

07057588

ABSTRACT:
In an active-matrix display device and a method for driving the active-matrix display device, a fifth transistor is connected between a power line and a drain terminal of a first transistor so that a power-supply voltage, namely the fixed voltage required for the compensation of the threshold voltage, is supplied by the power line via a fifth transistor and not by a signal line. Thus, a sufficient length of time for the threshold voltage compensation period can be maintained, and a second transistor of each pixel can accurately be compensated for threshold voltage irregularities.

REFERENCES:
patent: 6914390 (2005-07-01), Koyama
patent: 2004/0100427 (2004-05-01), Miyazawa

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