Patent · US Active

Illumination device

US7646451B2 · kind B2 · utility

22Cited by

3References

39Claims

0Family size

Assignee

Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V. · DE

Inventors

Uwe Vogel · Munich, DE
Joerg Andreas · Dresden, DE
Joerg Amelung · Dresden, DE

Key dates

Filing date	Jun 22, 2006
Grant date	Jan 12, 2010
Priority date	—
Expiry date	Jun 1, 2027

Classification

Technology area (CPC G)Physics
CPC primaryG02B27/0093
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

An illumination device has a plurality of main illumination areas subdivided into at least a first and a second sub-illumination area, wherein a luminous element for outputting radiation is arranged on each sub-illumination area, and wherein a beam deflection unit is associated with each main illumination area, which is designed to deflect the radiation output by the luminous element of the first sub-illumination area into another direction than the radiation output by the luminous element of the second sub-illumination area.

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