Phosphor and light source comprising such a phosphor

US7267786B2 · kind B2 · utility

Assignee

• Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH · DE

Inventors

• Tim Fiedler · Birkenfeld, DE
• Torsten Fries · Stadtbergen, DE
• Frank Jermann · Königsbrunn, DE
• Martin Zachau · Geltendorf, DE
• Franz Zwaschka · Ismaning, DE

Key dates

• Filing date: Dec 16, 2004
• Grant date: Sep 11, 2007
• Expiry date: Sep 21, 2025

Classification

• Technology area (CPC H): Electricity
• CPC primary: H01L2924/12044
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A phosphor with a garnet structure is distinguished by the addition of Si. It is suitable in particular for photon excitation by light sources with an emission between 250 and 550 nm.