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:
May. 03, 2011
Filed:
Jun. 02, 2006
Ken Tomino, Tokyo-To, JP;
Shigeru Sugawara, Tokyo-To, JP;
Hiroki Maeda, Tokyo-To, JP;
Masanao Matsuoka, Tokyo-To, JP;
Ken Tomino, Tokyo-To, JP;
Shigeru Sugawara, Tokyo-To, JP;
Hiroki Maeda, Tokyo-To, JP;
Masanao Matsuoka, Tokyo-To, JP;
Dai Nippon Printing Co., Ltd., Shinjuku-Ku, JP;
Abstract
The present invention is directed to the provision of a novel liquid crystalline organic semiconductor material that is highly stable under an film forming environment and, at the same time, can easily form a film, for example, by coating. The liquid crystalline organic semiconductor material is represented by chemical formula 1 wherein R1 and R2 represent an identical alkyl group having 7 to 20 carbon atoms: There is also provided a liquid crystalline organic semiconductor material characterized by being represented by chemical formula 2 wherein R3 and R4 represent an identical alkyl group having 7 to 20 carbon atoms: