Patent · US Active

Materials for organic electroluminescent devices

US9126970B2 · kind B2 · utility

46Cited by

2References

15Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Christof Pflumm · Darmstadt, DE
Arne Buesing · Frankfurt, DE
Amir Hossain Parham · Frankfurt am Main, DE
Teresa Mujica-Fernaud · Darmstadt, DE
Holger Heil · Frankfurt am Main, DE
Philipp Stoessel · Frankfurt am Main, DE

Key dates

Filing date	May 3, 2010
Grant date	Sep 8, 2015
Priority date	—
Expiry date	Aug 10, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E10/549
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

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

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