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. 31, 2017
Filed:
Jul. 16, 2013
Applicant:
Samsung Display Co., Ltd., Yongin, Gyeonggi-Do, KR;
Inventors:
Sung Soo Lee, Suwon-si, KR;
Ok Keun Song, Hwaseong-si, KR;
Young Mo Koo, Suwon-si, KR;
Se II Kim, Yongin, KR;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/52 (2006.01); G09G 3/30 (2006.01); H01L 27/32 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5253 (2013.01); G09G 3/30 (2013.01); H01L 27/3258 (2013.01);
Abstract
An organic electroluminescence (EL) display panel includes a substrate, a thin film transistor on the substrate, an overcoat layer on the thin film transistor and containing an organic material, a first electrode on the overcoat layer, an organic light emitting layer on the first electrode, a second electrode on the organic light emitting layer, and a barrier layer between the overcoat layer and the first electrode and including a first region formed of a single layer and a second region formed of a multilayer.