Organic electro-luminescent display device and method for...

Details Organic electro-luminescent display device and method for... Organic electro-luminescent display device and method for...

2005-11-30

2009-08-25

Owens, Douglas W (Department: 2821)

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

C315S291000, C345S077000, C345S082000, C345S204000

Reexamination Certificate

active

07579781

ABSTRACT:
An organic electro-luminescent display device according to an embodiment includes a light emitting device in a pixel to emit light in response to a current applied thereto; a data line for providing a data voltage in a write period and a ramp voltage in a display period; and a first switching device connected to the light emitting device, the first switching device being selectively turned on depending on a voltage difference between the ramp voltage and the data voltage so as to drive the light emitting device.

REFERENCES:
patent: 6417825 (2002-07-01), Stewart et al.
patent: 6809710 (2004-10-01), Prache et al.
patent: 6844874 (2005-01-01), Maurice
patent: 7038394 (2006-05-01), Yamashita
patent: 2005/0225254 (2005-10-01), Takai et al.

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