US 11,692,131 B2 · Heteroleptic transition metal-carbene complexes and their use in organic light-emitting diodes

Abstract

The present invention relates to heteroleptic carbene complexes comprising at least two different carbene ligands, to a process for preparing the heteroleptic carbene complexes, to the use of the heteroleptic carbene complexes in organic light-emitting diodes, to organic light-emitting diodes comprising at least one inventive heteroleptic carbene complex, to a light-emitting layer comprising at least one inventive heteroleptic carbene complex, to organic light-emitting diodes comprising at least one inventive light-emitting layer, and to devices which comprise at least one inventive organic light-emitting diode.

Claims6

Dependent claims

A heteroleptic carbene complex of the general formula (I)

M1[carbene]n (I)
comprising at least two different carbene ligands,
wherein the symbols are each defined as follows:
M1 is Ir(III)
n is 3
wherein the first of the at least two different carbene ligands has the general formula:
and the second of the at least two different carbene ligands has the general formula:
wherein Q is CF3 or CN;
Y3 is an alkyl group having 1, 2, or 3 carbon atoms;
and
Ar1 is a phenyl group.

8 more elements

Dependencies are inferred from the claim text.

Facts

Application

16/458,356Filed 1 Jul 2019 · continuation

Priority

EP 061122285 Apr 2006

Published

US 2019/0322929 A124 Oct 2019

Granted

4 Jul 2023

Term ends

Not estimatedThe source records don’t support an estimate.

Classification16 codes

C09K 11/06
Luminescent materials, e.g. electroluminescent or chemiluminescent: containing organic luminescent materials
C07F 15/0033
Compounds of the platinum group: iridium compounds
H05B 33/14
Light sources with substantially two-dimensional [2D] radiating surfaces: characterised by the chemical or physical composition or the arrangement…
H10K 85/342
Transition metal complexes, e.g. Rupolypyridine complexes: comprising iridium

Family

PCT/EP2007/053213Parent of this continuation · filed 3 Apr 2007

US 2019/0322929 A1Pre-grant publication · published 24 Oct 2019

Application12/296,112Parent of this continuation

US 10,385,263 B2Parent of this continuation

US 2009/0096367 A1Published application

US 11,692,131 B2This patent

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

Heteroleptic transition metal-carbene complexes and their use in organic light-emitting diodes

Life of this patent

Heteroleptic transition metal-carbene complexes and their use in organic light-emitting diodes

Life of this patent

Abstract

Claims6