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. 01, 2023

Filed:

Mar. 23, 2021
Applicant:

Stanley Electric Co., Ltd., Tokyo, JP;

Inventor:

Shota Nishimura, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21S 41/265 (2018.01); F21S 41/663 (2018.01); F21Y 115/10 (2016.01); F21W 102/135 (2018.01);
U.S. Cl.
CPC ...
F21S 41/265 (2018.01); F21S 41/663 (2018.01); F21W 2102/135 (2018.01); F21Y 2115/10 (2016.08);
Abstract

A projection lens has a first lens body including a first incidence section located at a side facing a first light source and an emission section located at a side opposite to the first incidence section, and a second lens body including a second incidence section located at a side facing the second light source, a refractive index of the second lens body is smaller than a refractive index of the first lens body, and a structure in which the first lens body and the second lens body abut each other while having first boundary surfaces, which are provided between the emission section and the second incidence section, and second boundary surfaces, which are provided between the first incidence section and the second incidence section from a boundary line with respect to the first boundary surfaces, interposed therebetween is provided.


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