Patent · US Expired

(CO) polymers based on vinyl units and use thereof in electroluminescent arrangements

US5905128A · kind A · utility

4Cited by

18References

4Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Yun Chen · Krefeld, DE
Rolf Wehrmann · Krefeld, DE
Andreas Elschner · Mülheim, DE
Ralf Dujardin · Willich, DE

Key dates

Filing date	May 19, 1998
Grant date	May 18, 1999
Priority date	—
Expiry date	May 19, 2018

Classification

Technology area (CPC H)Electricity
CPC primaryH05B33/14
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

This invention relates to (co)polymers which contain at least one repeat chain unit of the general formula (1) or (2) and optionally repeat units of the general formula (3), ##STR1## in which L.sup.1 and L.sup.2 denote a photoluminescent residue, wherein the proportion of structural units of the formulae (1) and/or (2) is in each case 0.5 to 100 mol. % and of (3) is 0 to 99.5 mol. % and the molar percentages add up to 100, to the use thereof for the production of electroluminescent arrangements and to the electroluminescent arrangements.

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