Electrode substrate, thin film transistor, display device...

Details Electrode substrate, thin film transistor, display device... Electrode substrate, thin film transistor, display device...

2006-09-05

2006-09-05

Prenty, Mark V. (Department: 2822)

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

Organic semiconductor material

C257S059000, C257S072000, C257S347000, C257S387000

Reexamination Certificate

active

07102155

ABSTRACT:
In the present invention, a lower electrode is utilized as a photomask to form a liquid-repellent region having a generally same pattern shape as that of the lower electrode and a liquid-attracting region having a generally reversed pattern shape on an insulating film. A conductive ink is coated and calcined in the liquid-attracting region to form an upper electrode having a generally reversed pattern shape to the lower electrode in a self-aligned manner, eliminating the occurrence of misregistration even when a printing method is used. Consequently, semiconductor devices such as an active matrix thin film transistor substrate can be formed using a printing method.

REFERENCES:
patent: 6828582 (2004-12-01), Ando et al.
patent: 2004/0129978 (2004-07-01), Hirai
patent: 08-264793 (1996-10-01), None
patent: 2003-209339 (2003-07-01), None
patent: 2003-209340 (2003-07-01), None
Nikkei Electronics, Jun. 17, 2002, pp. 67-78.

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