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. 17, 2009
Filed:
May. 24, 2004
Yasuharu Onishi, Tokyo, JP;
Satoru Toguchi, Tokyo, JP;
Junichi Yamanari, Kanagawa, JP;
Hitoshi Ishikawa, Tokyo, JP;
Tomohisa Gotoh, Tokyo, JP;
Atsushi Kamijo, Tokyo, JP;
Yasuharu Onishi, Tokyo, JP;
Satoru Toguchi, Tokyo, JP;
Junichi Yamanari, Kanagawa, JP;
Hitoshi Ishikawa, Tokyo, JP;
Tomohisa Gotoh, Tokyo, JP;
Atsushi Kamijo, Tokyo, JP;
Samsung Mobile Display Co., Ltd., Yongin, KR;
Abstract
The present invention relates to an organic electroluminescent device. There is provided an organic electroluminescent device with a good luminescence property and high luminous efficiency in which the organic electroluminescent device has a diffraction gratingon the surface of the substrateand an organic EL layerincluding an emission layer between an anodean a cathodevia an intermediate layer