Patent · US Active

Phosphor mixtures comprising europium-doped ortho-silicates

US9157025B2 · kind B2 · utility

11Cited by

1References

6Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Holger Winkler · Darmstadt, DE
Andreas Benker · Herbstein, DE
Martina Hueber · Seeheim-Jugenheim, DE
Monika Kursawe · Seeheim-Jugenheim, DE
Ralf Petry · Griesheim, DE
Stefan Tews · Greifswald, DE
Tim Vosgroene · Ober-Ramstadt, DE

Key dates

Filing date	Sep 10, 2010
Grant date	Oct 13, 2015
Priority date	—
Expiry date	Mar 12, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH10H20/8513
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The invention relates to novel phosphor mixtures comprising three or more silicate phosphors. The invention furthermore relates to the use of these mixtures in electronic and electro-optical devices, in particular in light-emitting diodes (LEDs) for backlighting applications. The invention furthermore relates to LEDs comprising the phosphors.

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