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. 05, 2011

Filed:

Mar. 27, 2008
Applicants:

Chika Negishi, Yokosuka, JP;

Akihito Saitoh, Yokohama, JP;

Hiroki Ohrui, Kawasaki, JP;

Hironobu Iwawaki, Yokohama, JP;

Masanori Muratsubaki, Hachioji, JP;

Inventors:

Chika Negishi, Yokosuka, JP;

Akihito Saitoh, Yokohama, JP;

Hiroki Ohrui, Kawasaki, JP;

Hironobu Iwawaki, Yokohama, JP;

Masanori Muratsubaki, Hachioji, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); H01J 1/63 (2006.01); C07C 13/465 (2006.01); C07C 211/43 (2006.01); C07C 25/22 (2006.01); C07C 43/20 (2006.01); C07D 213/04 (2006.01); C07D 401/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

There are provided a condensed ring aromatic compound and an organic light-emitting device having an optical output with high efficiency and high luminance, and durability. An organic light-emitting device including: a pair of electrodes comprising an anode and a cathode of which at least one is transparent or translucent; and an organic compound layer disposed between the pair of electrodes, wherein the organic compound layer contains the condensed ring aromatic compound represented by the following formula [1]. In the formula, Xto Xeach independently represent a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, and each may be the same or different; adjacent groups combine with each other to form at least one ring in the group selected from Xto X; and adjacent groups combine with each other to form at least one ring in the group selected from Xto X.


Find Patent Forward Citations

Negishi, Chika. (2011). Condensed ring aromatic compound and organic light-emitting device having the same (U.S. Patent No. 7919197). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7919197

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

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