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:
Aug. 17, 2010
Filed:
Oct. 08, 2007
Applicants:
Young-gu Lee, Suwon-si, KR;
In-seo Kee, Seongnam-si, KR;
In-sung Song, Yongin-si, KR;
Euk-che Hwang, Osan-si, KR;
Hong-shik Shim, Seoul, KR;
Inventors:
Young-gu Lee, Suwon-si, KR;
In-seo Kee, Seongnam-si, KR;
In-sung Song, Yongin-si, KR;
Euk-che Hwang, Osan-si, KR;
Hong-shik Shim, Seoul, KR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 63/04 (2006.01); H01J 1/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is an organic light-emitting device exhibiting lower driving voltages and improved lifetime characteristics and emission efficiency. The organic light-emitting device includes a cathode; an anode; and a light-emitting layer interposed between the cathode and the anode, wherein a buffer layer is disposed on at least one surface of the light-emitting layer.