Display panel, light emitting display device using the same,...

Details Display panel, light emitting display device using the same,... Display panel, light emitting display device using the same,...

Filed on

2004-10-22

Date issued

2008-12-02

Examiner

Awad, Amr (Department: 2629)

Patent Class

Computer graphics processing and selective visual display system

SubClass

Plural physical display element control system

SubSubClass

Display elements arranged in matrix

Type

Reexamination Certificate

Status

active

Patent number

07460096

Description

ABSTRACT:
A display panel of a light emitting display device includes a plurality of pixel circuits disposed in a matrix format. At least one of the pixel circuits includes a light emitting element, a transistor, a capacitor, a first switch, and a second switch. The transistor has first, second, and third electrodes and is for outputting a current corresponding to a voltage applied between the first and second electrodes to the third electrode. The light emitting element is for emitting light corresponding to the current outputted by the transistor. The capacitor is coupled between the first and second electrodes of the transistor. The first switch is for transmitting image signals to the first electrode of the transistor in response to a select signal, and the second switch is for electrically coupling the light emitting element to the third electrode of the transistor in response to an emit signal.

REFERENCES:
patent: 6661180 (2003-12-01), Koyama
patent: 7109952 (2006-09-01), Kwon
patent: 2006/0214891 (2006-09-01), Hanari et al.

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