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.

Date of Patent:
Feb. 20, 2018

Filed:

Jul. 11, 2013
Applicant:

Mitsubishi Chemical Corporation, Chiyoda-ku, JP;

Inventors:

Hideki Gorohmaru, Kanagawa, JP;

Tomomi Okamoto, Kanagawa, JP;

Wataru Shimizu, Kanagawa, JP;

Kazuhiro Nagayama, Kanagawa, JP;

Takashi Oya, Kanagawa, JP;

Koichi Ishibashi, Kanagawa, JP;

Ichiro Imada, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C09K 11/06 (2006.01); H01L 27/32 (2006.01); C09B 57/00 (2006.01); C09B 1/00 (2006.01); C09B 3/02 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); C09B 1/00 (2013.01); C09B 3/02 (2013.01); C09B 57/00 (2013.01); C09B 57/001 (2013.01); C09B 57/008 (2013.01); C09K 11/06 (2013.01); H01L 27/3244 (2013.01); H01L 51/0004 (2013.01); H01L 51/006 (2013.01); H01L 51/0052 (2013.01); H01L 51/0054 (2013.01); H01L 51/0058 (2013.01); H01L 51/0061 (2013.01); H01L 51/0067 (2013.01); H01L 51/0073 (2013.01); H01L 51/0085 (2013.01); H01L 51/5024 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1044 (2013.01); C09K 2211/1059 (2013.01); C09K 2211/1088 (2013.01); H01L 51/005 (2013.01); H01L 51/5012 (2013.01); H01L 2251/5384 (2013.01);
Abstract

The invention relates to a composition for organic electroluminescent element, which comprises: a solvent; and a compound group α for organic electroluminescent element that is constituted of at least two kinds of compounds which each have a molecular weight of 3,000 or less and have a structure comprising a plurality of aromatic ring groups linked to each other, wherein the compound group α comprises: a compound α1; and another compound αn satisfying a specific condition.


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