Patent · US Active

Materials for organic electroluminescent devices

US8786181B2 · kind B2 · utility

3Cited by

0References

28Claims

0Family size

Assignees

Merck Patent GmbH · DE
Fraunhofer-Gesellschaft Forschung E.V. · DE

Inventors

Thomas Eberle · Landau, DE
Rémi Manouk Anémian · Seoul, KR
Manuel Thesen · Berlin, DE
Hartmut Krueger · Bühl, DE
Armin Wedel · Mering, DE
Beatrice Salert · Hamburg, DE
Stefanie Kreissl · Premnitz, DE

Key dates

Filing date	Oct 14, 2011
Grant date	Jul 22, 2014
Priority date	—
Expiry date	Oct 14, 2031

Classification

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

Abstract

The present invention relates to a blend comprising; a) at least one polymer or copolymer or a mixture of a plurality of polymers and/or copolymers which contain a main chain and a side chain, where at least one side chain contains a structural unit of the following formula (I), the symbols and indices used here are as defined below; b) at least one host molecule which has electron- or hole-transporting functionality, and c) at least one emitter molecule.

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