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:
Jan. 08, 2013
Filed:
May. 31, 2005
Applicants:
Yukiko Morioka, Tokyo, JP;
Atsushi Oda, Tokyo, JP;
Hitoshi Ishikawa, Tokyo, JP;
Satoru Toguchi, Tokyo, JP;
Hiroshi Tada, Tokyo, JP;
Inventors:
Yukiko Morioka, Tokyo, JP;
Atsushi Oda, Tokyo, JP;
Hitoshi Ishikawa, Tokyo, JP;
Satoru Toguchi, Tokyo, JP;
Hiroshi Tada, Tokyo, JP;
Assignee:
Samsung Display Co., Ltd., Yongin, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
An organic EL device including at least an anode, a cathode and an organic light-emitting zone with high brightness is provided. A mixture containing at least two compounds is used for a light-emitting zone and the spectrum of the luminescence from light-emitting zone includes at least one peak at a wavelength which is different from neither of fluorescent peak positions of the compounds included in light-emitting zone.