Patent · US Active

Materials for organic electroluminescent devices

US12052919B2 · kind B2 · utility

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15Claims

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Assignee

Merck Patent GmbH · DE

Inventors

Rouven Linge · Darmstadt, DE
Amir Hossain Parham · Frankfurt am Main, DE
Sebastian Meyer · Bielefeld, DE
Anna Hayer · Darmstadt, DE
Nils Koenen · Griesheim, DE

Key dates

Filing date	Dec 15, 2020
Grant date	Jul 30, 2024
Priority date	—
Expiry date	Apr 13, 2041

Classification

Technology area (CPC H)Electricity
CPC primaryH10K2101/90
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention describes dibenzofuran derivatives substituted by electron-deficient heteroaryl groups, and electronic devices, especially organic electroluminescent devices, comprising these compounds as triplet matrix materials.

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