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:
Feb. 17, 2015
Filed:
Dec. 12, 2007
Shigeyuki Matsunami, Kanagawa, JP;
Masayuki Kurotaki, Kanagawa, JP;
Toshihiro Fukuda, Kanagawa, JP;
Yasunori Kijima, Tokyo, JP;
Akifumi Nakamura, Kanagawa, JP;
Shigeyuki Matsunami, Kanagawa, JP;
Masayuki Kurotaki, Kanagawa, JP;
Toshihiro Fukuda, Kanagawa, JP;
Yasunori Kijima, Tokyo, JP;
Akifumi Nakamura, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
An organic electroluminescent device for emitting red light is disclosed, including: an anode; a cathode; and an organic layer including a light emitting layer provided between the anode and the cathode, wherein the light-emitting layer contains a red light-emitting guest material and a host material composed of a polycyclic aromatic hydrocarbon compound having a skeleton with a 4 to 7 membered ring, and a photosensitizing layer containing a light-emitting guest material which generates blue light is provided adjacent to the light-emitting layer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile