Patent · US Active

Materials for organic electroluminescence devices

US9738826B2 · kind B2 · utility

2Cited by

5References

21Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Junyou Pan · Frankfurt am Main, DE
Rémi Manouk Anémian · Seoul, KR
Susanne Heun · Bad Soden, DE
Thomas Eberle · Landau, DE
Niels Schulte · Kelkheim, DE

Key dates

Filing date	Dec 2, 2011
Grant date	Aug 22, 2017
Priority date	—
Expiry date	Dec 11, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E10/549
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to copolymers containing indenocarbazole derivatives having electron- and hole-transporting properties, in particular for use in the interlayer, emission layer and/or charge-transport layer of electroluminescent devices. The invention furthermore relates to a process for the preparation of the compounds according to the invention and to electronic devices comprising these compounds.

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