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:
Aug. 08, 2023

Filed:

Nov. 28, 2022
Applicant:

Zkw Group Gmbh, Wieselburg, AT;

Inventors:

Christian Maier, Oberndorf an der Melk, AT;

Mahel Petr, Olomouc, CZ;

Assignee:

ZKW Group GmbH, Wieselburg, AT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21S 41/24 (2018.01); F21S 43/237 (2018.01); B60Q 1/04 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/001 (2013.01); B60Q 1/04 (2013.01); F21S 41/24 (2018.01);
Abstract

A light guide, including a light input surface, a longitudinal path, a lateral surface, wherein at least a portion of the lateral surface is configured as a light exit surface, wherein a first and a second light guide section includes a plurality of light redirection elements, which are configured to redirect light towards the light exit surface, wherein the light exit surface is a curved surface with a primary focal line, wherein each light redirection element has a certain incision-depth, which increases along the longitudinal path, wherein the light exit surface of the second light guide section has a protrusion, which has a secondary focal line, which is closer to the light exit surface than the primary focal line, wherein the light redirection elements of the first light guide section intersect the primary focal line, wherein the light redirection elements of the second light guide section intersect the primary focal line and the secondary focal line.


Find Patent Forward Citations

Maier, Christian. (2023). Light guide (U.S. Patent No. 11719874). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11719874

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…