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. 24, 2021

Filed:

Aug. 19, 2020
Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Tomohisa Sakaguchi, Kyoto, JP;

Yosuke Araki, Osaka, JP;

Kazumasa Takata, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21S 41/275 (2018.01); F21V 5/00 (2018.01); F21S 41/143 (2018.01); F21S 41/30 (2018.01); F21Y 115/10 (2016.01); F21W 102/135 (2018.01);
U.S. Cl.
CPC ...
F21S 41/275 (2018.01); F21S 41/143 (2018.01); F21S 41/30 (2018.01); F21V 5/007 (2013.01); F21V 5/008 (2013.01); F21W 2102/135 (2018.01); F21Y 2115/10 (2016.08);
Abstract

A lighting device includes light emitting element; first lens that receives light emitted from light emitting element and emits first emission light; and second lens that receives the first emission light and emits second emission light. Second lens includes second convex incident surface receiving the first emission light, second convex emission surface that is provided on a right side of a drawing and emits the second emission light, and second top surface portion and second bottom surface portion each located between second incident surface and second emission surface. Second bottom surface portion includes first inclined surface and second inclined surface formed to be inclined with respect to an optical axis of light emitting element.


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