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:
Feb. 09, 2010
Filed:
Nov. 16, 2005
Applicants:
Seoung-yoon Ryu, Suwon-si, KR;
Ja-hyun Im, Suwon-si, KR;
Kwan-hee Lee, Suwon-si, KR;
Inventors:
Assignee:
Samsung Mobile Display Co., Ltd., Yongin, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); H01J 1/62 (2006.01); H01L 29/20 (2006.01); B05D 5/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
An organic light emitting display including a pixel electrode arranged on a substrate, an organic layer arranged on the pixel electrode and including at least a hole injection layer, a hole acceleration layer, a hole transport layer, and an emission layer, and an opposite electrode arranged on the organic layer. The hole acceleration layer is formed of a material having a hole mobility that is higher than that of the hole injection layer.