Patent · US Active

Optoelectronic semiconductor part containing alkali-free and halogen-free metal phosphate

US8772821B2 · kind B2 · utility

4Cited by

6References

10Claims

0Family size

Assignee

OSRAM GmbH · DE

Inventors

Angela Eberhardt · Augsburg, DE
Christina Wille · Friedberg, DE
Joachim Wirth-Schön · Günzburg, DE

Key dates

Filing date	Apr 20, 2011
Grant date	Jul 8, 2014
Priority date	—
Expiry date	Apr 20, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH10H20/855
WIPO fieldOptics
WIPO sectorInstruments

Abstract

An optoelectronic semiconductor part comprising a light source, a housing and electrical connections, wherein the optoelectronic semiconductor part comprises a component which contains metal phosphate, and wherein the metal phosphate is substantially alkali-free and halogen-free.

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