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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.

Patent No.:

US 7919198 B1

PDFFull Text
Date of Patent:
Apr. 05, 2011

Filed:

Mar. 27, 2008

Condensed ring aromatic compound for organic light-emitting device and organic light-emitting device having the same

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:

Canon Kabushiki Kaisha, Tokyo, JP;

Attorney:

Fitzpatrick, Cella, Harper & Scinto

Primary Examiner:

Dawn L Garrett

Int. Cl.
CPC ...
H01L 51/54 (2006.01); H01J 1/63 (2006.01); C07C 211/54 (2006.01); C07C 25/13 (2006.01); C07C 25/18 (2006.01); C07D 401/10 (2006.01); C07D 401/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

Provided are a condensed ring aromatic compound for an organic light-emitting device, and an organic light-emitting device having optical output with high efficiency and high luminescence and having durability. An organic light-emitting device including an anode and a cathode, and a layer made of an organic compound interposed between the anode and the cathode, wherein at least one layer of the layers made of the organic compound contains a condensed ring aromatic compound shown in the following general formula [1]: wherein Rto Reach 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 may be the same or different.

Find Patent Forward Citations

Negishi, Chika. (2011). Condensed ring aromatic compound for organic light-emitting device and organic light-emitting device having the same (U.S. Patent No. 7919198). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7919198

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

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