Light module having a plurality of preliminary lenses
AssigneeMarelli Automotive Lighting Reutlingen (Germany) GmbH
InventorsFelix Röhm, Armin Austerschulte, Emanuel Schild, Isabell Emmerich
Life of this patent
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Abstract
The invention relates to a light module for a motor vehicle headlamp that has semiconductor light sources and a primary lens unit, wherein the primary lens unit comprises preliminary lenses. The light deflection surfaces in the preliminary lenses each have a first subsection and second subsection, wherein the curvatures and/or slopes of the subsections differ, such that the directions of the optical axes in the first subsections differ from the directions of the optical axes in the second subsections.
Claims13
A light module for a motor vehicle headlamp, said light module comprising:
- at least two semiconductor light sources, and at least one primary lens unit, wherein the primary lens unit includes at least two preliminary lenses, each dedicated to a respective semiconductor light source, wherein the preliminary lenses are adjacent to one another along a horizontal axis of the primary lens unit, and wherein each preliminary lens includes a light entry surface with a central light entry region and a peripheral light entry region, and a light deflection surface surrounding the peripheral light entry region, wherein the light deflection surfaces on each preliminary lens include a first subsection and second subsection, wherein the first subsection is closer to the center of the primary lens unit along the horizontal axis of the primary lens unit than the second subsection, and the second subsection is closer to an outer edge of the primary lens unit along the horizontal axis of the primary lens unit than the first subsection, wherein a slope of the first subsection is flatter than a slope of the second subsection, starting from the peripheral light entry region, such that the peripheral light entry region is at a greater angle to the surface of the first subsection than to the second subsection, and the slope of the second subsection is steeper than the slope of the first subsection, starting from the peripheral light entry region, such that the peripheral light entry region is at less of an angle to the surface of the second subsection than to the first subsection, and a direction of a first optical axis of the first subsection differs from a direction of a second optical axis of the second subsection.
Dependencies are inferred from the claim text.