Patent · US Active

Lighting unit for vehicle headlights and vehicle headlight

US8231254B2 · kind B2 · utility

7Cited by

3References

13Claims

0Family size

Assignee

OSRAM GmbH · DE

Inventors

Jürgen Beck · Cologne, DE
Siegfried Foerstner · Herbrechtingen, DE
Peter Frey · Heidenheim, DE
Christian Meier · Darmstadt, DE

Key dates

Filing date	Jun 16, 2009
Grant date	Jul 31, 2012
Priority date	—
Expiry date	Jul 13, 2029

Classification

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

Abstract

A lighting unit for vehicle headlights comprising a light-emitting diode device (500), and a housing (200), in the interior of which are arranged components of an operating circuit for operating the light-emitting diode device (500), wherein the housing (200) is composed of electrically insulating material, electrical connections (222) for the voltage supply of the lighting unit are embedded in the housing (200), and the housing (200) has adjustment means (213a, 213b, 213c) for orienting the lighting unit in a vehicle headlight; wherein the light-emitting diode device (500) is arranged on a surface (112) of a heat sink (100) composed of thermally conductive material; and wherein the heat sink (100) forms a bearing surface (120a) for an external cooling system, said bearing surface being arranged at an outer side of the housing.

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