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:
Jan. 29, 2013
Filed:
Mar. 31, 2010
Applicant:
Ikuo Kinoshita, Kanagawa, JP;
Inventor:
Ikuo Kinoshita, Kanagawa, JP;
Assignee:
UDC Ireland Limited, Dublin, IE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); C09K 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An organic electroluminescent is provided and includes: a pair of electrodes; and at least one organic layer, between the pair of electrodes, including a light emitting layer. The device comprising, in the at least one organic layer, a compound represented by formula (I): where Qs each independently represents a t-butyl group or a trimethylsilyl group; when the compound has a plurality of Rs, the Rs each independently represents a hydrogen atom, an alkyl group, a cyano group, an aryl group, or a heteroaryl group; and n stands for 1 or 2.