Patent · US Active

Lamp

US7874697B2 · kind B2 · utility

17Cited by

7References

26Claims

0Family size

Assignee

OSRAM Gesellschaft mit beschraenkter Haftung · DE

Inventors

Ulrich Biebel · Leibnizweg, DE
Jens Clark · Ebersberg, DE
Udo Custodis · Munich, DE
Ulrich Henger · Wipperfürth, DE

Key dates

Filing date	Aug 6, 2007
Grant date	Jan 25, 2011
Priority date	—
Expiry date	Aug 6, 2027

Classification

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

Abstract

The invention relates to a lamp with a first light source generating white light, comprising at least one fluorescent lamp (2) or an incandescent lamp, as well as a second light source comprising at least one set of light-emitting diodes (4, 5; 300), and comprising a reflector (1) for the light emitted by the light sources, wherein a cooling device (6, 7) for the at least one set of light-emitting diodes (4, 5) is attached to the reflector (1) and is thermally linked to the at least one set of light-emitting diodes (4, 5), and wherein the lamp comprises a translucent and light-dispersing medium (3) in the optical path of the light emitted by the lamp.

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