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.
Patent No.:
Date of Patent:
Dec. 05, 2023
Filed:
Nov. 05, 2021
Applicant:
Hella Gmbh & Co. Kgaa, Lippstadt, DE;
Inventor:
Markus Giehl, Jena, DE;
Assignee:
Hella GmbH & Co. KGaA, Lippstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60Q 1/02 (2006.01); F21S 43/20 (2018.01); G02B 5/18 (2006.01); G03H 1/08 (2006.01);
U.S. Cl.
CPC ...
B60Q 1/02 (2013.01); F21S 43/26 (2018.01); G02B 5/1876 (2013.01); G03H 1/0891 (2013.01);
Abstract
A lighting device for a vehicle, in particular a headlamp for a vehicle, having at least one light source, from which light emanates during the operation of the lighting device, a diffractive optical unit, including a plurality of gratings, which form a grating cell array, the light passing through the grating cell array during the operation of the lighting device in such a way that a light distribution is created in the outer area of the vehicle, at least one of the gratings of the grating cell array being designed as a volume hologram.