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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.:

US 9837627 B1

PDFFull Text
Date of Patent:
Dec. 05, 2017

Filed:

May. 12, 2016

Organic light emitting diode having hole auxiliary layer and organic light emitting diode display including the same

Applicant:

Samsung Display Co., Ltd., Yongin-si, KR;

Inventors:

Sang Woo Lee, Hwaseong-si, KR;

Ha Jin Song, Hwaseong-si, KR;

Heun Seung Lee, Seongnam-si, KR;

Assignee:

Samsung Display Co., Ltd., Yongin-si, KR;

Attorney:

H.C. Park & Associates, PLC

Primary Examiner:

Alonzo Chambliss

Int. Cl.
CPC ...
H01L 29/08 (2006.01); H01L 21/00 (2006.01); H01L 51/50 (2006.01); H01L 27/32 (2006.01); H01L 27/12 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5064 (2013.01); H01L 27/3248 (2013.01); H01L 27/3262 (2013.01); H01L 51/5004 (2013.01); H01L 51/5056 (2013.01); H01L 51/5096 (2013.01); H01L 27/1214 (2013.01); H01L 51/0061 (2013.01); H01L 51/0072 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); H01L 51/0081 (2013.01); H01L 51/0085 (2013.01); H01L 51/0087 (2013.01); H01L 51/5016 (2013.01); H01L 2251/552 (2013.01); H01L 2251/558 (2013.01);
Abstract

An organic light emitting element according to an exemplary embodiment of the present invention includes a first electrode; a second electrode; an emission layer between the first electrode and the second electrode; and a hole auxiliary layer between the first electrode and the emission layer. The hole auxiliary layer includes at least one hole blocking layer and at least one hole transport layer contacting the hole blocking layer, and a thickness of the hole auxiliary layer is in a range of 140 angstroms to 220 angstroms.

Find Patent Forward Citations

Lee, Sang. (2017). Organic light emitting diode having hole auxiliary layer and organic light emitting diode display including the same (U.S. Patent No. 9837627). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9837627

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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