Patent · US Active

Light module for an illumination device

US8376599B2 · kind B2 · utility

0Cited by
0References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 11, 2010
Grant dateFeb 19, 2013
Priority date
Expiry dateMay 8, 2031

Classification

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

Abstract

The present invention relates to a light module (10) for an illumination device, in particular for a headlight (1), of a motor vehicle. The light module (10) comprises at least one light source (18) for emitting light beams, at least one primary optical unit (20) for concentrating the emitted light beams, a diaphragm arrangement (22) in the beam path of the concentrated light beams, and at least one secondary optical unit (30) for imaging the light beams that have traveled past the diaphragm arrangement (22) onto a roadway in front of the motor vehicle in order to generate a desired light distribution. There is formed in the diaphragm arrangement (22) at least one opening (26) and/or cutout to which is assigned an optically active element (28), which deflects or attenuates at least a portion of the light beams passing through the opening (26) and/or cutout.

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