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:
Feb. 01, 2011
Filed:
Jul. 20, 2006
Sachiko Kawakami, Kanagawa, JP;
Harue Nakashima, Kanagawa, JP;
Kumi Kojima, Tokyo, JP;
Ryoji Nomura, Kanagawa, JP;
Nobuharu Ohsawa, Kanagawa, JP;
Sachiko Kawakami, Kanagawa, JP;
Harue Nakashima, Kanagawa, JP;
Kumi Kojima, Tokyo, JP;
Ryoji Nomura, Kanagawa, JP;
Nobuharu Ohsawa, Kanagawa, JP;
Semiconductor Energy Laboratory Co., Ltd., Kanagawa-ken, JP;
Abstract
The present invention provides an anthracene derivative represented by the following general formula (1). In the general formula (1), R1 and R2 individually represent hydrogen or an alkyl group having 1 to 4 carbon atoms, and at least one of R1 and R2 is hydrogen. Further, R3 represents an aryl group having 6 to 15 carbon atoms. R4 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, or an aryl group having 6 to 15 carbon atoms. R5 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, or an aryl group having 6 to 15 carbon atoms. R6 represents an aryl group having 6 to 15 carbon atoms. X1 represents an arylene group having 6 to 15 carbon atoms. General formula (1) is inserted.