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:
Mar. 15, 2022
Filed:
May. 30, 2012
Takayuki Horiuchi, Tokyo, JP;
Jun Kamatani, Tokyo, JP;
Kenichi Ikari, Abiko, JP;
Akihito Saitoh, Gotemba, JP;
Takayuki Horiuchi, Tokyo, JP;
Jun Kamatani, Tokyo, JP;
Kenichi Ikari, Abiko, JP;
Akihito Saitoh, Gotemba, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An organic light emitting element which realizes a high efficiency and long-life light emission is provided. An organic compound represented by the general formula [1] described in Claimis provided. In the general formula [1], Rto Rare each independently selected from a hydrogen atom, a substituted or unsubstituted aryl group, and a substituted or unsubstituted heterocyclic group. However, at least one of Rto Rrepresents the aryl group or the heterocyclic group. The aryl group represents a phenyl group, a naphthyl group, a phenanthrenyl group, a fluorenyl group, a triphenylenyl group, or a chrysenyl group. The heterocyclic group represents a dibenzofuranyl group or a dibenzothienyl group.