Organic electroluminescent display device and driving method...

Details Organic electroluminescent display device and driving method... Organic electroluminescent display device and driving method...

2007-03-06

2007-03-06

Dinh, Trinh Vo (Department: 2821)

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

C345S076000, C345S204000

Reexamination Certificate

active

11111801

ABSTRACT:
An organic electroluminescent display device includes a gate line receiving a gate signal, a data line crossing the gate line, the data line receiving a data signal, a first transistor switching the data signal according to the gate signal, the first transistor being turned on during a single horizontal scan time period having first and second sub-periods, a second transistor switching a source voltage according to the data signal and connected to the first transistor, a storage capacitor connected to a first node between the first and second transistors and connected to the source voltage, a third transistor switching a first voltage signal and connected to the second transistor, the first voltage signal having different voltage levels during the first and second sub-periods of the scan time period, and an organic electroluminescent diode connected to a second node between the second and third transistors and connected to a ground voltage.

REFERENCES:
patent: 6774572 (2004-08-01), Fukuzako
patent: 6952083 (2005-10-01), Fukuzako
patent: 6989826 (2006-01-01), Kasai
patent: 7106006 (2006-09-01), Koyama
patent: 2005/0116902 (2005-06-01), Miyzawa
patent: 1020020018264 (2002-03-01), None

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