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.

Date of Patent:
Feb. 25, 2020

Filed:

Jan. 29, 2019
Applicant:

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

Inventors:

Seok-Hwan Hwang, Yongin-si, KR;

Young-Kook Kim, Yongin-si, KR;

Yoon-Hyun Kwak, Yongin-si, KR;

Jong-Hyuk Lee, Yongin-si, KR;

Kwan-Hee Lee, Yongin-si, KR;

Min-Seung Chun, Yongin-si, KR;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); C09K 11/06 (2006.01); H01L 51/00 (2006.01); H05B 33/14 (2006.01); H01L 27/32 (2006.01); H01L 51/52 (2006.01); C07D 209/88 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0061 (2013.01); C07D 209/88 (2013.01); C09K 11/06 (2013.01); H01L 27/3211 (2013.01); H01L 27/3248 (2013.01); H01L 51/006 (2013.01); H01L 51/5206 (2013.01); H01L 51/5218 (2013.01); H01L 51/5221 (2013.01); H01L 51/5234 (2013.01); H05B 33/14 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1022 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/185 (2013.01); H01L 27/3209 (2013.01); H01L 51/0052 (2013.01); H01L 51/0058 (2013.01); H01L 51/0072 (2013.01); H01L 51/5016 (2013.01); H01L 51/5056 (2013.01); H01L 51/5072 (2013.01); H01L 51/5088 (2013.01); H01L 51/5092 (2013.01); H01L 51/5096 (2013.01); H01L 2251/301 (2013.01); H01L 2251/308 (2013.01); H01L 2251/558 (2013.01); Y10S 428/917 (2013.01); Y10T 428/10 (2015.01); Y10T 428/31504 (2015.04);
Abstract

An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.


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