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:
Nov. 05, 2019

Filed:

May. 15, 2015
Applicant:

Sharp Kabushiki Kaisha, Osaka, JP;

Inventors:

Hirotoshi Yasunaga, Osaka, JP;

Takeshi Ishida, Osaka, JP;

Mitsuhiro Murata, Osaka, JP;

Ryuzo Yuki, Osaka, JP;

Assignee:

SHARP KABUSHIKI KAISHA, Sakai, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G02B 6/00 (2006.01); G02F 1/13357 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02B 6/002 (2013.01); G02B 6/00 (2013.01); G02B 6/0023 (2013.01); G02B 6/0038 (2013.01); G02B 6/0068 (2013.01); G02F 1/1336 (2013.01); G02F 1/133524 (2013.01); G02F 1/133603 (2013.01);
Abstract

An illumination device according to the present invention includes: a light source row in which a plurality of light sources are aligned in a row; a light guide plate that includes a plate-shaped main body with an end thereof facing the light source row, a light-receiving portion that is arranged on the end of the main body and into which light from the light sources enters, plate-shaped side extensions that are arranged on the sides of the main body and that extend outwards further than the light-receiving portion, and a light-exiting portion that is arranged on front surfaces of the main body and the side extensions and that allows light that enters via the light-receiving portion to exit; and a supply unit that supplies light to the side extensions.


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