Manganese-doped red luminescent material and conversion LED

US12152185B2 · kind B2 · utility

Assignee

• OSRAM Opto Semiconductors GmbH · DE

Inventors

• Markus Seibald · Kaufering, DE
• Dominik Baumann · Munich, DE
• Christiane STOLL · Pfänderhof, DE
• Ion Stoll · Tegernheim, DE
• Hubert Huppertz · Innsbruck, AT
• Gunter Heymann · Innsbruck, AT
• Klaus Wurst · Zirl, AT

Key dates

• Filing date: May 11, 2020
• Grant date: Nov 26, 2024
• Expiry date: Jan 16, 2042

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02B20/00
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A luminophore having the empirical formula A3M*OxF9-2x:Mn4+ where A may be or include Li, Na, Rb, K, Cs, or combinations thereof. M* may be or include Cr, Mo, W, or combinations thereof. x may be or include 0<x<4.5.