Patent · US Active

Phosphors and phosphor-converted LEDs

US10745616B2 · kind B2 · utility

0Cited by

1References

17Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

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

Key dates

Filing date	Mar 2, 2016
Grant date	Aug 18, 2020
Priority date	—
Expiry date	Feb 9, 2037

Classification

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

Abstract

The present invention relates to alkaline earth aluminate 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 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 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.