HEADLAMP FOR VEHICLES HAVING AT LEAST ONE LASER LIGHT SOURCE
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United States of America Patent
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Nov 5, 2015
filing date -
Nov 7, 2014
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Abstract
A headlamp for vehicles, in which the laser beam of at least one laser light source (1) is directed via a beam deflection means (7) towards at least one light conversion means (8) in a scanning manner, which at least one light conversion means comprises a phosphor for converting light, and having a projection system (10) for projecting the light image (9) generated at the light conversion means onto the roadway (11), characterised in that at least one electro-optical modulator (4) is arranged in the beam path of the at least one laser light source (1), which at least one electro-optical modulator is controlled by a control unit (12) and lies before the light conversion means (8) in the beam path and affects the polarisation of the light, wherein a polarisation element (3, 5, 17) is arranged at least after the modulator in the beam path.
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