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:
Apr. 26, 2022

Filed:

Sep. 25, 2018
Applicant:

Mitsubishi Electric Corporation, Tokyo, JP;

Inventors:

Yusuke Fujii, Tokyo, JP;

Satoru Okagaki, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21S 8/00 (2006.01); F21V 7/00 (2006.01); F21S 2/00 (2016.01); F21S 8/02 (2006.01); F21V 8/00 (2006.01); H05B 47/11 (2020.01);
U.S. Cl.
CPC ...
F21S 8/033 (2013.01); F21S 2/00 (2013.01); F21S 8/02 (2013.01); F21V 7/0008 (2013.01); G02B 6/0041 (2013.01); G02B 6/0055 (2013.01); G02B 6/0068 (2013.01); H05B 47/11 (2020.01);
Abstract

A lighting unit includes a first light source to emit first light; and a diffusive body including a first incidence surface that allows the first light to enter, a diffusive part that includes nanoparticles, guides the entered first light and makes the first light be scattered by the nanoparticles into first scattered light, and an emission surface that emits the first scattered light, wherein the first incidence surface is formed on a first edge part of the diffusive body, the first scattered light is emitted from a first region of the emission surface, and a correlated color temperature of the first scattered light is higher than a correlated color temperature of the first light.


Find Patent Forward Citations

Loading…