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:
Dec. 22, 2020

Filed:

Jan. 23, 2019
Applicant:

Sharp Kabushiki Kaisha, Sakai, JP;

Inventors:

Hirotoshi Yasunaga, Sakai, JP;

Hisashi Watanabe, Sakai, JP;

Youzou Kyoukane, Sakai, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G02F 1/13357 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0055 (2013.01); G02B 6/0051 (2013.01); G02B 6/0068 (2013.01); G02B 6/0073 (2013.01); G02F 1/133605 (2013.01); G02F 1/133606 (2013.01); G02F 1/133611 (2013.01); G02B 6/0031 (2013.01); G02B 6/0043 (2013.01); G02B 6/0065 (2013.01); G02F 1/133603 (2013.01); G02F 2001/133607 (2013.01);
Abstract

A lighting device includes light sources arranged in a row direction and a column direction, and a reflector through which at least a part of light rays emitted by the light source. The reflector includes unit light source regions disposed at an interval from the light sources, a light reflecting pattern disposed in the unit light source regions and reflecting light, and a light transmitting pattern disposed in the unit light source regions and transmissive to the part of the light rays. The unit light source regions are disposed such that the unit light source regions adjacent to each other with respect to at least one of the row direction and the column direction have different distributions of at least one of the light reflecting pattern and the light transmitting pattern.


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