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:
Apr. 03, 2012

Filed:

Feb. 23, 2007
Applicants:

Itaru Osaka, Pittsburgh, PA (US);

Tatsuya Igarashi, Ashigarakami, JP;

Toshihiko Ise, Ashigarakami-gun, JP;

Eiji Fukuzaki, Ashigarkami-gun, JP;

Satoshi Sano, Ashigarakami-gun, JP;

Inventors:

Itaru Osaka, Pittsburgh, PA (US);

Tatsuya Igarashi, Ashigarakami, JP;

Toshihiko Ise, Ashigarakami-gun, JP;

Eiji Fukuzaki, Ashigarkami-gun, JP;

Satoshi Sano, Ashigarakami-gun, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 19/00 (2006.01); B32B 9/00 (2006.01); C07D 403/00 (2006.01); C07D 235/00 (2006.01); C07D 403/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

An organic electroluminescent element comprises: a pair of electrodes; and one or more organic compound layers at least one of which is a light-emitting layer, the one or more organic compound layers being provided between the pair of electrodes, wherein at least one of the one or more organic compound layers comprises a compound represented by general formula (Z): wherein Rand Reach represents a hydrogen atom or a substituent, Rrepresents a substituent other than an aromatic hetero ring connected through a nitrogen atom, or a hydrogen atom, Xto Xeach represents a substituted or unsubstituted carbon atom or a nitrogen atom, and Yto Yeach represents a nitrogen atom or C—R(wherein Rrepresents a substituent other than an aromatic hetero ring connected through a nitrogen atom, or a hydrogen atom).


Find Patent Forward Citations

Osaka, Itaru. (2012). Organic electroluminescent element and compounds for use in the element (U.S. Patent No. 8147987). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8147987

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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