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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 11271167 B1

PDFFull Text
Date of Patent:
Mar. 08, 2022

Filed:

Apr. 01, 2015

Organic light-emitting device

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Boonjae Jang, Daejeon, KR;

Dong Hoon Lee, Daejeon, KR;

Jungoh Huh, Daejeon, KR;

Minyoung Kang, Daejeon, KR;

Dong Uk Heo, Daejeon, KR;

Miyeon Han, Daejeon, KR;

Wooyung Jung, Daejeon, KR;

Min Woo Jung, Daejeon, KR;

Assignee:

LG CHEM, LTD., Seoul, KR;

Attorney:

Dentons US LLP

Primary Examiner:

Andrew K Bohaty

Int. Cl.
CPC ...
H01L 51/54 (2006.01); H01L 51/00 (2006.01); C07D 401/14 (2006.01); C07D 403/14 (2006.01); C07D 251/12 (2006.01); C07D 209/82 (2006.01); C07D 215/30 (2006.01); C07D 219/06 (2006.01); C07D 221/10 (2006.01); C07D 235/14 (2006.01); C07D 471/04 (2006.01); C07D 263/57 (2006.01); C07D 277/42 (2006.01); C07D 277/66 (2006.01); C07D 235/02 (2006.01); C07D 235/20 (2006.01); C07D 251/24 (2006.01); C07D 401/10 (2006.01); C07D 405/14 (2006.01); C07D 409/14 (2006.01); C07F 9/6561 (2006.01); H01L 51/50 (2006.01); H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0067 (2013.01); C07D 209/82 (2013.01); C07D 215/30 (2013.01); C07D 219/06 (2013.01); C07D 221/10 (2013.01); C07D 235/02 (2013.01); C07D 235/14 (2013.01); C07D 235/20 (2013.01); C07D 251/12 (2013.01); C07D 251/24 (2013.01); C07D 263/57 (2013.01); C07D 277/42 (2013.01); C07D 277/66 (2013.01); C07D 401/10 (2013.01); C07D 401/14 (2013.01); C07D 403/14 (2013.01); C07D 405/14 (2013.01); C07D 409/14 (2013.01); C07D 471/04 (2013.01); C07F 9/6561 (2013.01); H01L 51/0052 (2013.01); H01L 51/0054 (2013.01); H01L 51/0055 (2013.01); H01L 51/0056 (2013.01); H01L 51/0058 (2013.01); H01L 51/0072 (2013.01); H01L 51/0077 (2013.01); H01L 51/508 (2013.01); H01L 51/5016 (2013.01); H01L 51/5076 (2013.01); H01L 51/5278 (2013.01); H01L 2251/552 (2013.01);
Abstract

Disclosed is an organic light emitting diode including a cathode, an anode, a light emitting layer provided between the cathode and the anode, a first electron transporting layer including a heterocyclic compound represented by Formula 1 and provided between the cathode and the light emitting layer, and a second electron transporting layer including a host material including one or two or more of compounds represented by Formulae 3 to 5 and one or two or more n-type dopants selected from alkali metals and alkaline earth metals and provided between the cathode and the first electron transporting layer:

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