Electrode, method for forming an electrode, thin-film...

Active solid-state devices (e.g. – transistors – solid-state diode – Organic semiconductor material

Reexamination Certificate

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Reexamination Certificate

active

07399989

ABSTRACT:
An electrode is provided that is economically produced and capable of efficiently injecting holes. Also provided are a method to form an electrode that is capable of easily manufacturing such an electrode, a highly reliable thin-film transistor, an electronic circuit using this thin-film transistor, an organic electroluminescent element, a display, and electronic equipment. A thin-film transistor is a top-gate thin-film transistor. The thin-film transistor includes a source electrode and a drain electrode that are placed separately from each other. The thin-film transistor also includes an organic semiconductor layer that is laid out between the source electrode and the drain electrode, and a gate insulating layer that is provided between the organic semiconductor layer and a gate electrode. This structure is mounted on a substrate. Each of the source electrode and the drain electrode is composed of two layers, that is, an underlying electrode layer and a surface electrode layer. The surface electrode layer includes an oxide containing at least one of Cu, Ni, Co, Ag.

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patent: 6266041 (2001-07-01), Cairns et al.
patent: 6808972 (2004-10-01), Sirringhaus et al.
patent: 7002176 (2006-02-01), Iechi et al.
patent: 2002/0021088 (2002-02-01), Howard et al.
patent: 2004/0012017 (2004-01-01), Nagayama
patent: A-2001-155867 (2001-06-01), None
patent: A 2004-62040 (2004-02-01), None
patent: A-2001-0051829 (2001-06-01), None
Rogers et al. “Paper-Like Electronic Displays: Large-Area Rubber-Stamped Plastic Sheets of Electronics and Microencapsulated Electrophoretic Inks,” PNAS, Applied Physical Sciences, vol. 24, No. 9, Apr. 24, 2001, pp. 4835-4840.
Kawase et al. “All-Polymer Thin Film Transistors Fabricated by High-Resolution Ink-Jet Printing,” 2000 IEEE.

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