The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 27, 2025

Filed:

Oct. 11, 2023
Applicant:

Hella Gmbh & Co. Kgaa, Lippstadt, DE;

Inventors:

Carmen Bungenstock, Kleinenberg, DE;

Mathias Drueppel, Lippstadt, DE;

Gerhard Kloos, Erwitte, DE;

Philip Stroop, Schloss Holte-Stukenbrock, DE;

Benjamin Willeke, Paderborn, DE;

Assignee:

Hella GmbH & Co. KGaA, Lippstadt, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21S 41/275 (2018.01); F21S 41/20 (2018.01); F21V 5/04 (2006.01);
U.S. Cl.
CPC ...
F21S 41/275 (2018.01); F21S 41/285 (2018.01); F21V 5/045 (2013.01);
Abstract

A Fresnel projection lens for a headlight of a motor vehicle having a light entry surface, wherein the light entry surface has a smooth or substantially smooth surface, and with a light exit surface. The light exit surface has a plurality of adjacent, in particular annular, flanks, wherein one flank each comprises a bottom, an effective facet, and an interfering facet arranged at a first pitch angle to the effective facet. The effective facet and the interfering facet form a cut edge opposite the bottom. A pass-through area is provided on at least one of the flanks, wherein the pass-through area is angled to the effective facet.


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