Materials for organic electroluminescent devices

US12035625B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Amir Hossain Parham · Frankfurt am Main, DE
• Christian EICKHOFF · Mannheim, DE
• Rouven Linge · Darmstadt, DE
• Jens Kaiser · Ludwigshafen, DE
• Amel MEKIC · Grabs, CH

Key dates

• Filing date: Nov 11, 2019
• Grant date: Jul 9, 2024
• Expiry date: Nov 16, 2040

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K2101/20
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to compounds of formula (1) which are suitable for use in electronic devices, and to electronic devices, in particular organic electroluminescent devices, containing said compounds. X is, identically or differently in each occurrence, CR or N, or two adjacent X stand for a group of the following formula (2), wherein the dashed bonds mark the bonding of said group in formula (1), with the stipulation that the compound of formula (1) contains one or two groups of formula (2); X1 is, identically or differently in each occurrence, CR or N; Y is, identically or differently in each occurrence, CR or N; Z1, Z2, Z3 are, identically or differently in each occurrence, O, S, N—Ar or CR2.