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:
May. 21, 2013

Filed:

Feb. 21, 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:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

An organic electroluminescent element includes a pair of electrodes formed of a positive electrode and a negative electrode, with at least one of the electrodes being transparent or semi-transparent, and one or more organic compound layers interposed between the pair of electrodes, with at least one layer containing one or more charge transporting polyesters represented by the following formula (I), wherein Arepresents at least one selected from structures represented by the following formula (II), and X represents a group represented by the following formula (III):


Find Patent Forward Citations

Loading…