Patent · US Active

Semiconductor light-emitting device with reflective surface region

US9190573B2 · kind B2 · utility

1Cited by

2References

13Claims

0Family size

Assignee

OSRAM GmbH · DE

Inventors

Bernd Barchmann · Regensburg, DE
Ralph Wirth · Lappersdorf, DE

Key dates

Filing date	Aug 28, 2012
Grant date	Nov 17, 2015
Priority date	—
Expiry date	Aug 28, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH10H20/0363
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A semiconductor lighting device may include a substrate populated with at least one semiconductor light source, wherein at least one reflective surface region of the substrate is covered with a light-reflecting layer, and wherein the light-reflecting layer has an aluminum carrier coated in a reflection-intensifying manner.

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