Patent · US Active

Laser-based white light source

US9157604B2 · kind B2 · utility

2Cited by

1References

18Claims

0Family size

Assignee

Schott AG · DE

Inventors

Bernd Woelfing · Mainz, DE
Andreas Hatzenbuehler · Neu-Bamberg, DE
Juergen Meinl · Bärnau, DE

Key dates

Filing date	Aug 11, 2011
Grant date	Oct 13, 2015
Priority date	—
Expiry date	Jan 25, 2032

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF21Y2115/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A device for generating white light is provided that includes at least one light source and at least one conversion medium. The light source emits light in the blue and/or ultraviolet spectral range. The light from the light source is generated by a laser and the light from the light source is focused by an optical system onto the conversion medium. The conversion medium converts at least part of the incident light into a different spectral range.

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