Patent · US Active

Silicate phosphors

US9657222B2 · kind B2 · utility

0Cited by

1References

18Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Holger Winkler · Darmstadt, DE
Thomas Juestel · Aachen, DE
Arturas Katelnikovas · Steinfurt, DE
Florian Baur · Munster, DE

Key dates

Filing date	Mar 22, 2013
Grant date	May 23, 2017
Priority date	—
Expiry date	Nov 20, 2033

Classification

Technology area (CPC H)Electricity
CPC primaryH10H20/8512
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention relates to Eu—, Sm— or Pr-doped silicate compounds, to a process for the preparation thereof and to the use thereof as conversion phosphors. The present invention also relates to an emission-converting material comprising at least the conversion phosphor according to the invention and to the use thereof in light sources, in particular pc-LEDs (phosphor converted light emitting devices). The present invention furthermore relates to light sources, in particular pc-LEDs, and lighting units which contain a primary light source and the emission-converting material according to the invention.

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