Variable aperture beam motor vehicle headlamp lighting module
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United States of America Patent
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Jun 9, 2020
Grant Date -
Feb 1, 2018
app pub date -
Jul 28, 2017
filing date -
Jul 29, 2016
priority date (Note) -
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Abstract
The present invention relates to a lighting module for a motor vehicle headlamp module including a light source able to emit light radiation, a processing device able to generate a light flux from said light radiation, and an imaging optical system able to project an exit beam from said light flux. The lighting module includes means for controlling an angular aperture of the exit beam, the angular aperture being chosen from a first aperture and a second aperture, the first aperture corresponding to a wider angle than the second aperture, so that, for a given intensity of the light radiation of the light source, the exit beam corresponding to the second aperture has a higher light intensity than the exit beam corresponding to the first aperture.
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