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.:
Date of Patent:
Jun. 21, 2005
Filed:
Sep. 03, 2004
Applicants:
Takahiro Nakayama, Fukuoka, JP;
Shinya Kobayashi, Mito, JP;
Akira Shimada, Hitachi, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B033/00 ;
U.S. Cl.
CPC ...
Abstract
An organic light emitting element comprising a substrate and a translucent reflection film, a transparent electrode, a hole transport layer, a light emitting layer and a metal electrode layered on the substrate in that order. At least the hole transport layer, the light emitting layer and the metal electrode are covered with an insulating film and a metal reflection film.
Nakayama, Takahiro. (2005). Organic light emitting element and method of producing the same (U.S. Patent No. 6909232). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6909232
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile