Active matrix display device

Details Active matrix display device Active matrix display device

2005-06-15

2010-11-23

Awad, Amr (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C315S169300

Reexamination Certificate

active

07839363

ABSTRACT:
To reduce variation in characteristics of a voltage-current conversion circuit for supplying a data signal to a data line for driving a transistor arranged in a pixel of an organic EL display device. Two sets A, B of voltage-current conversion circuits are provided in a data driver for driving a transistor arranged in a pixel, and RGB signals are supplied to these circuits. The voltage-current conversion circuits of sets A and B are controlled so as to be switched for every frame or every frame and line.

REFERENCES:
patent: 6229506 (2001-05-01), Dawson et al.
patent: 2004/0041765 (2004-03-01), Koyama et al.
patent: 2005/0156829 (2005-07-01), Choi et al.
patent: 2004-118183 (2004-04-01), None
patent: 03/077229 (2003-09-01), None
Choi et al, An Improved Voltage Programmed Pixel Structure for Large Size High Resolution AM-OLED Displays, SID 04 Digest, May 2004, pp. 260-263.

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