The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 17, 2010
Filed:
May. 30, 2007
Akio Fukase, Chino, JP;
Shunji Tomioka, Chino, JP;
Hirokazu Yanagihara, Chino, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A method for producing an organic semiconductor device including a plurality of organic semiconductor layers laminated on a substrate includes forming a film of a liquid composition on a target surface, the liquid composition being composed of a material constituting one of the plurality of the organic semiconductor layers, the material being dissolved or dispersed in a first solvent, and the target surface including a substrate surface and a surface of any of the other of the plurality of organic semiconductor layers; altering a portion of the film adjacent to the target surface, the portion having a predetermined thickness, in such a manner that the portion is not dissolved in a predetermined solvent containing the first solvent; and removing an unaltered portion of the film in the step of altering the portion with the predetermined solvent.