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:
Jan. 03, 2023

Filed:

Dec. 20, 2019
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Masaki Numata, Kanagawa-ken, JP;

Rie Sakurai, Kanagawa-ken, JP;

Keisuke Korai, Kanagawa-ken, JP;

Mitsunori Ito, Kanagawa-ken, JP;

Shiro Irisa, Kanagawa-ken, JP;

Norihito Ishii, Kanagawa-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 403/04 (2006.01); C07D 403/10 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
C07D 403/04 (2013.01); H01L 51/0052 (2013.01); H01L 51/0072 (2013.01); H01L 51/5016 (2013.01);
Abstract

A heterocyclic compound represented by Formula 1, a composition including the same, and an organic light-emitting device including the heterocyclic compound: Lto L, L, a1 to a4, a11, Ar, Ar, Ar, Rto R, Rto R, b1 to b7, and b11 to b12 are described in the specification.


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