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:
Jan. 20, 2015

Filed:

Mar. 07, 2012
Applicants:

Hidekazu Hirose, Kanagawa, JP;

Takeshi Agata, Kanagawa, JP;

Katsuhiro Sato, Kanagawa, JP;

Inventors:

Hidekazu Hirose, Kanagawa, JP;

Takeshi Agata, Kanagawa, JP;

Katsuhiro Sato, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0036 (2013.01); H01L 51/0035 (2013.01); H01L 51/5012 (2013.01); Y10S 428/917 (2013.01);
Abstract

Provided is an organic electroluminescent element which includes a pair of electrodes composed of a positive electrode and a negative electrode, with at least one of the electrodes being transparent or semi-transparent, and an organic compound layer interposed between the pair of electrodes and containing one or more charge transporting polyesters represented by the following formula (I) [in the formula (I), Arepresents at least one selected from structures represented by the following formula (II); and in the formula (II), X represents a group represented by the following formula (III)]:


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