US 11,891,361 B2Granted

Heterocyclic compound and organic light emitting device comprising same

AssigneeLt Materials Co., Ltd.

InventorsHyun-Ju La, Seong-Jong Park, Won-Jang Jeong, Jin-Seok Choi, Dae-Hyuk Choi, Joo-Dong Lee

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Abstract

The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.

Claims9

Dependent claims

A heterocyclic compound represented by any one of the following compounds:

Dependencies are inferred from the claim text.

Facts

Application: 16/624,812Filed 26 Dec 2018
Priority: KR 10-2017-017983026 Dec 2017
Published: US 2020/0131133 A130 Apr 2020
Granted: 6 Feb 2024
Term ends: Not estimatedThe source records don’t support an estimate.

Classification32 codes

C07D 221/12
Aza-phenanthrenes: phenanthridines
C07D 401/10
Containing two hetero rings: linked by a carbon chain containing aromatic rings
C07D 401/12
Containing two hetero rings: linked by a chain containing hetero atoms as chain links
C07D 401/14
Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a…:…

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US 2020/0131133 A1Pre-grant publication · published 30 Apr 2020
US 11,891,361 B2This patent

From the US filing history. Foreign family members aren’t listed.

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