Patent · US Active

Illumination unit for vehicle headlights and vehicle headlights

US8870426B2 · kind B2 · utility

65Cited by

6References

10Claims

0Family size

Assignee

OSRAM GmbH · DE

Inventors

Alois Biebl · Annweiler am Trifels, DE
Peter Frey · Heidenheim, DE
Ralf Vollmer · Heidenheim, DE

Key dates

Filing date	Mar 29, 2010
Grant date	Oct 28, 2014
Priority date	—
Expiry date	Apr 20, 2031

Classification

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

Abstract

An illumination unit for vehicle headlights may include a light-emitting diode device, a housing and an assembly board on which components of an operating circuit for operating the light-emitting diode device are arranged, wherein the housing and the assembly board define an interior space, wherein the assembly board has at least one electrically conductive inner layer that is connected to a ground reference potential of the operating circuit and on its surface the assembly board has at least one electrical contact surface which is contacted with at least one electrically conductive inner layer, and the housing has an electromagnetic shielding structure configured to provide electromagnetic shielding of the interior space, wherein the electromagnetic shielding structure is connected to the at least one electrical contact surface.

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