Patent · US Active

Light emitting device with improved conversion layer

US8164250B2 · kind B2 · utility

0Cited by

3References

7Claims

0Family size

Assignee

KONINKLIJKE PHILIPS ELECTRONICS NV · NL

Inventors

Peter Josef Schmidt · Aachen, DE
Helmut Bechtel · Aachen, DE
Jorg Meyer · Aachen, DE

Key dates

Filing date	Sep 20, 2005
Grant date	Apr 24, 2012
Priority date	—
Expiry date	Jun 20, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH10H20/0361
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A light emitting device includes a substrate layer and a light conversion layer located on said substrate layer. The light conversion layer is a polycrystalline ceramic layer, and is positioned on the substrate layer by sintering.

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