Display device and method for driving the same

Details Display device and method for driving the same Display device and method for driving the same

2006-11-16

2009-08-04

Owens, Douglas W (Department: 2821)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S204000, C345S078000, C315S169300

Reexamination Certificate

active

07570236

ABSTRACT:
A display device for compensating for degradation of a threshold voltage of a driving thin-film transistor (“TFT”) and method for driving the display device includes a light-emitting element, wherein the light-emitting element emits light by a driving current applied thereto, a driving TFT controlling the magnitude of the driving current directed to the light-emitting element, a capacitor which charges a voltage which varies depending on a data voltage and a threshold voltage of the driving TFT and maintains a voltage corresponding to a difference between the data voltage and a gate voltage of the driving TFT, a first switching unit supplying the data voltage to the capacitor in response to a scan signal, and a second switching unit which is diode-connected and supplies the driving TFT with a light emitting signal.

REFERENCES:
patent: 7202606 (2007-04-01), Eom et al.
patent: 2004/0056828 (2004-03-01), Choi et al.
patent: 2004/0196223 (2004-10-01), Kwon

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