Organic light emitting display

Details Organic light emitting display Organic light emitting display

2005-04-29

2008-08-12

Dinh, Trinh Vo (Department: 2821)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S076000, C345S082000

Reexamination Certificate

active

07411571

ABSTRACT:
An organic light emitting display that is capable of preventing degradation of picture quality, and a method of manufacturing the organic light emitting display are provided. A unit pixel for the organic light emitting display, includes a first transistor coupled to a data line and having a first voltage threshold, a second transistor coupled to the first and third transistors and controlled by a second select signal, a third transistor coupled to the first transistor and controlled by a first select signal, and a fourth transistor coupled to the third transistor and having a fourth voltage threshold such that a drive current of the fourth transistor is controlled independent of the fourth voltage threshold.

REFERENCES:
patent: 6919871 (2005-07-01), Kwon
patent: 6970149 (2005-11-01), Chung et al.
patent: 7173582 (2007-02-01), Nishitoba et al.
patent: 2004/0070557 (2004-04-01), Asano et al.
patent: 2004/0217925 (2004-11-01), Chung et al.

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