Organic electroluminescent device, pixel structure, array...

Details Organic electroluminescent device, pixel structure, array... Organic electroluminescent device, pixel structure, array...

2005-12-06

2009-11-10

Louie, Wai-Sing (Department: 2814)

Active solid-state devices (e.g., transistors, solid-state diode

Organic semiconductor material

C438S099000

Reexamination Certificate

active

07615778

ABSTRACT:
An organic electroluminescent device includes a first organic thin film transistor, a second organic thin film transistor and at least an organic functional layer. The organic functional layer is disposed between the second organic thin film transistor and the first organic thin film transistor. By applying voltages in the first organic thin film transistor and the second organic thin film transistor at the same time, a voltage difference between the two transistors is produced to make electrons and electric holes move into the organic functional layer and re-combine therein for emitting light. The integration of the organic thin film transistor and the organic electroluminescent device can widen aperture ratio and increase process reliability.

REFERENCES:
patent: 6201267 (2001-03-01), Gupta et al.
patent: 6528816 (2003-03-01), Jackson et al.
patent: 6853083 (2005-02-01), Yamauchi et al.
patent: 7283108 (2007-10-01), Kasai
patent: 2004/0119399 (2004-06-01), Nagayama
patent: 2005/0145839 (2005-07-01), Yamamoto et al.

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