Patent · US Active

Polymer blends and their use in organic light emitting devices

US9200156B2 · kind B2 · utility

1Cited by

5References

23Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Junyou Pan · Frankfurt am Main, DE
Frank Meyer · Mannheim, DE

Key dates

Filing date	Jun 28, 2007
Grant date	Dec 1, 2015
Priority date	—
Expiry date	Aug 15, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31786
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to novel polymer blends comprising one or more hole transporting polymers and one or more electron transporting polymers, to the use of these blends in electronic and electrooptical devices, in particular in organic light emitting diodes (OLEDs), and to OLEDs comprising the polymer blends.

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