Light emitting display device and driving method thereof

Details Light emitting display device and driving method thereof Light emitting display device and driving method thereof

2008-07-09

2011-11-15

Tran, Thuy Vinh (Department: 2821)

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

C345S077000

Reexamination Certificate

active

08058808

ABSTRACT:
Disclosed herein are a light emitting display device which can reduce hysteresis of a driving transistor to improve picture quality, and a method for driving the same. The device includes a pixel cell formed in an area defined by a data line supplied with a data voltage, at least one scan line supplied with a scan signal, a light emission control signal line supplied with a light emission control signal, a driving voltage line supplied with a driving voltage, and a compensation voltage line supplied with a compensation voltage of a first voltage level or a second voltage level different from the first voltage level. The pixel cell includes a light emitting element for emitting light by current, and a pixel circuit for providing current corresponding to the data voltage to the light emitting element using the data voltage, scan signal, light emission control signal, driving voltage and compensation voltage.

REFERENCES:
patent: 7164401 (2007-01-01), Kwon
patent: 7911427 (2011-03-01), Chung et al.
patent: 2005/0140600 (2005-06-01), Kim et al.
patent: 2007/0024541 (2007-02-01), Ryu et al.

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