Patent · US Active

Illuminant and light source containing the same, and method for producing said illuminant

US9109161B2 · kind B2 · utility

0Cited by

7References

4Claims

0Family size

Assignee

OSRAM GmbH · DE

Inventors

Daniel Becker · Worms, DE
Tim Fiedler · Birkenfeld, DE
Wolfram Hempel · Germering, DE
Frank Jermann · Königsbrunn, DE

Key dates

Filing date	Feb 19, 2007
Grant date	Aug 18, 2015
Priority date	—
Expiry date	Apr 3, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02B20/00
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

An illumination from the class of oxynitridosilicates, doped with bivalent europium and comprising a cation M2+, said illuminant corresponding to the basic formula M(l-c)Si202N2:Dc wherein the following holds good: M=Sr(1-x)Bax mit 0.3<x<0.7.

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