Driving circuit active matrix type organic light emitting...

Details Driving circuit active matrix type organic light emitting... Driving circuit active matrix type organic light emitting...

2005-06-30

2009-06-09

Awad, Amr (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

Reexamination Certificate

active

07545354

ABSTRACT:
Disclosed are a driving circuit and driving method for an organic light emitting diode (OLED) device. The driving circuit for the OLED device comprises RGB pixels each including: a gate line arranged in a first direction and a data line and a power supply line arranged in a second direction crossing the first direction; a plurality of switching transistors connected to the region where the gate line and the data line intersect; a capacitor connected to the switching transistors and the power supply line; a driving transistor connected to the capacitor and the power supply line; an OLED connected to the driving thin film transistor; a variable voltage signal connected to one of the plurality of switching transistors; and a driving signal connected to at least one of the switching transistors, wherein the variable voltage signal is independently connected to the RGB pixels, and the transistors are thin film transistors.

REFERENCES:
patent: 2003/0098828 (2003-05-01), Hunter et al.
patent: 2003/0146888 (2003-08-01), Yamazaki et al.
patent: 2004/0070557 (2004-04-01), Asano et al.
patent: 2004/0095298 (2004-05-01), Miyazawa
patent: 1487486 (2004-04-01), None
First Notification of Office Action in corresponding Chinese Patent Application No. 200510082442.6, Jan. 4, 2008.

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