Patent · US Active

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

US11692131B2 · kind B2 · utility

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6Claims

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Assignee

UDC IRELAND LIMITED · IE

Inventors

Evelyn Fuchs · Mannheim, DE
Martina Egen · Dossenheim, DE
Klaus Kahle · Ludwigshafen, DE
Christian Lennartz · Dublin, IE
Oliver Molt · Hirschberg, DE
Simon Nord · Münstermaifeld, DE
Wolfgang Kowalsky · Braunschweig, DE
Christian Schildknecht · Schifferstadt, DE
Hans-Hermann Johannes · Braunschweig, DE

Key dates

Filing date	Jul 1, 2019
Grant date	Jul 4, 2023
Priority date	—
Expiry date	Apr 2, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH10K2101/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.