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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 11239427 B1

PDFFull Text
Date of Patent:
Feb. 01, 2022

Filed:

Jul. 06, 2017

Heterocyclic compound and organic light emitting device using same

Applicant:

LT Materials Co., Ltd., Yongin, KR;

Inventors:

Gi-Back Lee, Osan-si, KR;

Han-Kook Oh, Osan-si, KR;

Yong-Geun Jung, Seoul, KR;

Jun-Tae Mo, Osan-si, KR;

Won-Jang Jeong, Hwaseong-si, KR;

Jin-Seok Choi, Suwon-si, KR;

Dae-Hyuk Choi, Yongin-si, KR;

Joo-Dong Lee, Seongnam-si, KR;

Assignee:

LT MATERIALS CO., LTD., Yongin-si, KR;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Robert S Loewe

Int. Cl.
CPC ...
C07D 221/06 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0067 (2013.01); C07D 221/06 (2013.01); H01L 51/0052 (2013.01); H01L 51/0072 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); H01L 51/5072 (2013.01); H01L 51/5092 (2013.01); H01L 51/5096 (2013.01);
Abstract

The present application provides a hetero-cyclic compound capable of significantly enhancing lifespan, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device containing the hetero-cyclic compound in an organic compound layer.

Find Patent Forward Citations

Lee, Gi-Back. (2022). Heterocyclic compound and organic light emitting device using same (U.S. Patent No. 11239427). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11239427

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

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