有機エレクトロルミネセンス材料及びデバイス

Title:

有機エレクトロルミネセンス材料及びデバイス

Document Type and Number:

Japanese Patent JP7228349

Kind Code:

B2

Abstract:

A compound having a structure of the formula Ir(L_A)(L_B), in which L_A is a bidentate, tridentate, tetradentate, pentadentate, or hexadentate ligand and L_B is a monodentate, bidentate, tridentate, or tetradentate ligand, or not present, and where the total denticity of L_A plus L_B is 6, and L_A includes at least one structure of Formula I:is disclosed as a useful phosphorescent emitter compound.

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Inventors:

Geza Shigethy
Joseph A. McCall
Charles Stanton
Galina Duvinina
Douglas Williams

Application Number:

JP2018146383A

Publication Date:

February 24, 2023

Filing Date:

August 03, 2018

Export Citation:

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Assignee:

Universal Display Corporation

International Classes:

C07F15/00; C09K11/06; H10K50/00

Domestic Patent References:

JP2017061441A
JP2017515823A
JP2009526071A
JP2013149812A

Foreign References:

WO2014024668A1
WO2014033044A1
WO2005076380A2

Attorney, Agent or Firm:

Tadashige Ito
Koichi Hirota
Tadahiko Ito

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