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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 11329230 B1

PDFFull Text
Date of Patent:
May. 10, 2022

Filed:

Mar. 23, 2017

Organic light-emitting device

Applicant:

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

Inventors:

Younsun Kim, Yongin-si, KR;

Seulong Kim, Yongin-si, KR;

Dongwoo Shin, Yongin-si, KR;

Jungsub Lee, Yongin-si, KR;

Jino Lim, Yongin-si, KR;

Hyein Jeong, Yongin-si, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;

Attorney:

Kile Park Reed & Houtteman PLLC

Primary Examiner:

Andrew K Bohaty

Int. Cl.
CPC ...
H01L 51/54 (2006.01); H01L 51/00 (2006.01); C07C 13/00 (2006.01); C07C 15/00 (2006.01); C07F 7/08 (2006.01); C07C 211/00 (2006.01); C09K 11/02 (2006.01); C09K 11/06 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0067 (2013.01); C07C 13/00 (2013.01); C07C 15/00 (2013.01); C07C 211/00 (2013.01); C07F 7/08 (2013.01); C09K 11/025 (2013.01); C09K 11/06 (2013.01); H01L 51/006 (2013.01); H01L 51/0052 (2013.01); H01L 51/0058 (2013.01); H01L 51/0059 (2013.01); H01L 51/0061 (2013.01); H01L 51/0077 (2013.01); H01L 51/0081 (2013.01); H01L 51/0094 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/185 (2013.01); H01L 51/0054 (2013.01); H01L 51/0072 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); H01L 51/0085 (2013.01); H01L 51/5004 (2013.01); H01L 51/5036 (2013.01); H01L 51/5056 (2013.01); H01L 51/5072 (2013.01); H01L 51/5092 (2013.01); H01L 2251/552 (2013.01);
Abstract

Provided is an organic light-emitting device including a first compound and a second compound that offers low driving voltage and high efficiency. The organic light-emitting device includes an emission layer between a first electrode and a second electrode, and an electron transport region between the second electrode and the emission layer. The electron transport region includes the first compound. A hole transport region between the first electrode and the emission layer includes the second compound.

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