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. 20, 2014
Filed:
Dec. 07, 2010
Shinya Otsu, Hino, JP;
Masato Nishizeki, Hachioji, JP;
Eisaku Katoh, Hachioji, JP;
Tomohiro Oshiyama, Hachioji, JP;
Shinya Otsu, Hino, JP;
Masato Nishizeki, Hachioji, JP;
Eisaku Katoh, Hachioji, JP;
Tomohiro Oshiyama, Hachioji, JP;
Konica Minolta Holdings, Inc., Tokyo, JP;
Abstract
An organic electroluminescent element containing an anode and a cathode having therebetween a light emitting layer, wherein the light emitting layer contains a guest compound having a substructure represented by the following Formula (A): wherein Ra represents alkyl, alkenyl, alkynyl, cycloalkyl, aromatic hydrocarbon, aromatic heterocyclic or heterocyclic, Rb and Rc represent hydrogen or a substituent, A1 represents a group of atoms which forms an aromatic hydrocarbon ring or an aromatic heterocycle, M represents Ir or Pt, and a host compound having the following Formula (1): wherein Rarepresents alkyl, alkenyl, alkynyl, cycloalkyl or heterocyclic, R, Rand Reach represent hydrogen or a substituent, and n1, n2 and n5 each represent 0 to 4.