Light-emitting display

Details Light-emitting display Light-emitting display

2007-04-10

2007-04-10

Dinh, Trinh Vo (Department: 2821)

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

C345S076000, C345S092000, C345S204000

Reexamination Certificate

active

11110860

ABSTRACT:
A pixel circuit of a light-emitting display that reduces the influence of kickback generated by parasitic capacitance. The pixel circuit includes first to fourth transistors, a capacitor, and a light-emitting element. The first and second transistors are serially coupled to each other and turned on in response to a first control signal. The capacitor is coupled in parallel with the first and second transistors. The third transistor supplies a data voltage to a first electrode of the capacitor in response to a select signal. The fourth transistor outputs a current corresponding to its gate-source voltage, which is based on the voltage of the capacitor. The light-emitting element emits light corresponding to the current from the fourth transistor.

REFERENCES:
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patent: 6975293 (2005-12-01), Yen et al.
patent: 2003/0189535 (2003-10-01), Matsumoto et al.
patent: 2004/0145547 (2004-07-01), Oh
patent: 2005/0179624 (2005-08-01), Sun
patent: 2005/0212446 (2005-09-01), Eom
patent: 1 130 565 (2001-09-01), None

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