Eu2+-activated phosphors

US9758722B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Aleksander ZYCH · Darmstadt, DE
• Ralf Petry · Griesheim, DE
• Holger Winkler · Darmstadt, DE
• Christof Hampel · Frankfurt am Main, DE
• Andreas Benker · Herbstein, DE
• Thomas Juestel · Aachen, DE

Key dates

• Filing date: Nov 6, 2014
• Grant date: Sep 12, 2017
• Expiry date: Jan 7, 2035

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10H20/0361
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to Eu2+-activated phosphors, to a process of its preparation, the use of these phosphors in electronic and electro optical devices, such as light emitting diodes (LEDs) and solar cells and especially to illumination units comprising said magnesium alumosilicate-based phosphors.