Patent · US Active

Conjugated polymers containing spirobifluorene units and the use thereof

US7638594B2 · kind B2 · utility

4Cited by

3References

7Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Heinrich Becker · Königstein, DE
Kevin Treacher · Manchester, GB
Hubert Spreitzer · Viernheim, DE
Aurelie Falcou · Mainz, DE
Philipp Stoessel · Frankfurt am Main, DE
Arne Buesing · Frankfurt, DE
Amir Hossain Parham · Frankfurt am Main, DE
Bernd Schröder · Jülich, DE

Key dates

Filing date	Jul 25, 2007
Grant date	Dec 29, 2009
Priority date	—
Expiry date	Aug 19, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S428/917
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to novel conjugated polymers comprising spirobifluorene units and their use in optoelectronic devices, preferably in, for example, displays based on polymeric organic light-emitting diodes.

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