Patent · US Expired

Electroluminescent arrangements and their use

US5874180A · kind A · utility

3Cited by

2References

4Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Rolf Wehrmann · Krefeld, DE
Andreas Elschner · Mülheim, DE
Siegfried Thurm · Meerbusch, DE
Hans J. Rosenkranz · Krefeld, DE
Ralf Dujardin · Willich, DE

Key dates

Filing date	Oct 9, 1997
Grant date	Feb 23, 1999
Priority date	—
Expiry date	Oct 9, 2017

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S428/917
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to electroluminescent arrangements (layers) containing special styrenes and to their use.

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