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. 06, 2015
Filed:
Sep. 19, 2013
Applicant:
Samsung Display Co., Ltd., Yongin, Gyeonggi-Do, KR;
Inventor:
Mitsuhiro Kashiwabara, Yokohama, JP;
Assignee:
Samsung Display Co., Ltd., Yongin, Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/52 (2006.01); H01L 51/54 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5096 (2013.01); H01L 51/5064 (2013.01);
Abstract
An organic electroluminescence display device includes a p-doped layer doped with a P-type dopant on an anode electrode, a P-type dopant diffusion blocking layer on the p-doped layer, a first hole transport layer on the P-type dopant diffusion blocking layer, a light emitting layer on the first hole transport layer, an electron transport layer on light emitting layer, and a cathode electrode on the electron transport layer, the p-doped layer, the P-type dopant diffusion blocking layer, the hole transport layer, and the light emitting layer being stacked in the stated order on the anode.