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. 04, 2015
Filed:
Jul. 26, 2011
Tomonari Horikiri, Chiba, JP;
Jun Kamatani, Tokyo, JP;
Masanori Muratsubaki, Hachioji, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A novel organic compound suitably used for a green-light-emitting device and an organic light-emitting device are provided. An organic light-emitting device and an image display apparatus containing a naphtho[2',3′:5,6]indeno[1,2,3-cd]pyrene derivative represented by general formula (1) as a dopant: wherein in general formula (1), Rto Rare each independently selected from a hydrogen atom, a halogen atom, substituted or unsubstituted alkyl groups, substituted or unsubstituted alkoxy groups, substituted or unsubstituted amino groups, substituted or unsubstituted aryl groups, and substituted or unsubstituted heterocyclic groups, and at least one of R, R, R, and Ris selected from substituted or unsubstituted aryl groups and substituted or unsubstituted heterocyclic groups.