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:
Nov. 25, 2014
Filed:
Sep. 10, 2009
Masahiro Shiratori, Yokohama, JP;
Masahiro Shiratori, Yokohama, JP;
Pioneer Corporation, Kanagawa, JP;
Abstract
A technology having resistance to moisture and oxygen, and in which the occurrence and expansion of non-light-generating portions, such as dark spots, are suppressed is provided. An organic EL element in which an organic functional layer including at least one or more light-emitting layers is arranged between a first electrode and a second electrode, wherein the organic functional layer includes a bipolar charge generation layer which generates electrons and holes, and one of the first electrode and the second electrode is a hole-receiving electrode.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile