Patent · US Active

Lighting device with a luminescent material

US10247382B2 · kind B2 · utility

0Cited by

0References

15Claims

0Family size

Assignee

OSRAM GmbH · DE

Inventors

Juergen Hager · Herbrechtingen, DE
Stephan Schwaiger · Bodelshausen, DE
Jasmin Muster · Heidenheim, DE
Oliver Hering · Niederstotzingen, DE

Key dates

Filing date	Dec 10, 2015
Grant date	Apr 2, 2019
Priority date	—
Expiry date	Dec 10, 2035

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF21W2102/18
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A lighting device is disclosed with an electromagnetic radiation source for irradiating a conversion element arranged in the lighting device with an excitation radiation. The conversion element has a first element side and a second element side. The first element side delimits a first radiation space and the second element side delimits a second radiation space. At least one optical unit at least for part of the radiation emanating from the first element side is arranged in the first radiation space and at least one optical unit at least for part of the radiation emanating from the second element side is arranged in the second radiation space.

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