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:
Jan. 11, 2022

Filed:

Feb. 24, 2021
Applicant:

Nichia Corporation, Anan, JP;

Inventor:

Hiroshi Miyairi, Yokohama, JP;

Assignee:

NICHIA CORPORATION, Anan, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21S 41/692 (2018.01); F21S 41/32 (2018.01); F21S 41/265 (2018.01); F21S 41/148 (2018.01); F21S 41/47 (2018.01); F21W 102/135 (2018.01);
U.S. Cl.
CPC ...
F21S 41/692 (2018.01); F21S 41/148 (2018.01); F21S 41/265 (2018.01); F21S 41/321 (2018.01); F21S 41/47 (2018.01); F21W 2102/135 (2018.01);
Abstract

A lighting device includes: a light emission part; a reflector disposed above the light emission part and configured to reflect a first portion of light emitted from the light emission part; a first lens having a first incident face through which light reflected by the reflector enters; a second lens disposed higher than the first lens, and having a second incident face through which a second portion of the light emitted from the light emission part enters, wherein the second incident face is father than the first incident face from the light emission part; a first light shielding member disposed between the first lens and the second lens; a second light shielding member between the light emission part and the first lens; a third light shielding member between the light emission part and the second lens; and an actuator configured to move the second and third light shielding members.


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