Patent · US Active

Electroluminescent metal complexes with triazoles and benzotriazoles

US7820828B2 · kind B2 · utility

2Cited by

0References

6Claims

0Family size

Assignee

Ciba Specialty Chemicals Corporation · US

Inventors

Thomas Schäfer · Basel, CH
Kristina Bardon · Waldshut-Tiengen, DE
Beat Schmidhalter · Bubendorf, CH
Roger Prétôt · Basel, CH

Key dates

Filing date	Jun 20, 2005
Grant date	Oct 26, 2010
Priority date	—
Expiry date	Feb 9, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH10K50/11
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

This invention relates to electroluminescent metal complexes with triazoles and benzotriazoles, respectively of the formula (I)a process for their preparation, electronic devices comprising the metal complexes and their use in electronic devices, especially organic light emitting diodes (OLEDs), as oxygen sensitive indicators, as phosphorescent indicators in bioassays, and as catalysts.

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