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 6773831 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 10, 2004

Filed:

Feb. 21, 2002
Applicant:
Inventors:

Hisahiro Higashi, Chiba, JP;

Chishio Hosokawa, Chiba, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 3/314 ;
U.S. Cl.
CPC ...
H05B 3/314 ;
Abstract

The invention provides an organic EL device which produces high luminance and is durable and which can be fabricated with ease. The organic EL device comprises two electrodes and a light-emitting layer sandwiched therebetween, in which the light-emitting layer contains a molecular compound having an electron-transporting unit and a hole-transporting unit bonded to each other via a linking group.


Find Patent Forward Citations

Higashi, Hisahiro. (2004). Organic electroluminescent device (U.S. Patent No. 6773831). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6773831

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

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