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:
Jul. 27, 2010
Filed:
Aug. 19, 2005
Jeoung Kwen Noh, Daejeon Metropolitan, KR;
SE Hwan Son, Daejeon Metropolitan, KR;
Young Chul Lee, Daejeon Metropolitan, KR;
Yun Hye Hahm, Daejeon Metropolitan, KR;
Min Soo Kang, Daejeon Metropolitan, KR;
Jeoung Kwen Noh, Daejeon Metropolitan, KR;
Se Hwan Son, Daejeon Metropolitan, KR;
Young Chul Lee, Daejeon Metropolitan, KR;
Yun Hye Hahm, Daejeon Metropolitan, KR;
Min Soo Kang, Daejeon Metropolitan, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
Disclosed herein are an organic light-emitting device having a structure formed by the sequential deposition of a substrate, a first electrode, at least two organic layers and a second electrode, in which the organic layers include a light-emitting layer, and one of the organic layers, which is in contact with the second electrode, is a buffer layer comprising a compound represented by the following formula 1, as well as a fabrication method thereof: wherein Rto Rhave the same meanings as defined in the specification. The buffer layer makes it possible to minimize or prevent damage to the organic layer, which can occur when forming the second electrode on the organic layer.