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:
Mar. 13, 2007
Filed:
Mar. 12, 2003
Applicants:
Kwanhee Lee, Seoul, KR;
Hyuneok Shin, Gunpo, KR;
Yongjoong Choi, Seoul, KR;
Janghyuk Kwon, Suwon, KR;
Jinwoung Jung, Suwon, KR;
Inventors:
Kwanhee Lee, Seoul, KR;
Hyuneok Shin, Gunpo, KR;
Yongjoong Choi, Seoul, KR;
Janghyuk Kwon, Suwon, KR;
Jinwoung Jung, Suwon, KR;
Assignee:
Samsung SDI Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 33/22 (2006.01); H05B 33/24 (2006.01); H05B 33/26 (2006.01); H01L 51/50 (2006.01); H05B 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An organic electroluminescent (EL) device includes a substrate, a first anode formed on the substrate with a reflectivity of 60% or higher, a second anode formed on the first anode, wherein the second anode includes a conductive metal or an oxide thereof having a work function of 4.3 to 5.8 eV, an organic layer formed on the second anode, and a cathode formed on the organic layer.