Patent · US Active

Phosphors and phosphor-converted LEDs

US10125315B2 · kind B2 · utility

2Cited by

1References

15Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Aleksander ZYCH · Darmstadt, DE
Ralf Petry · Griesheim, DE
Mathias Rapphahn · Greifswald, DE
Ingo Koehler · Darmstadt, DE
Stefan Tews · Greifswald, DE

Key dates

Filing date	Mar 30, 2016
Grant date	Nov 13, 2018
Priority date	—
Expiry date	Mar 30, 2036

Classification

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

Abstract

The present invention relates to pyrosilicate phosphors, 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 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 to lighting units which comprise a primary light source and the emission-converting material according to the invention.

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