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:
Jul. 09, 2019

Filed:

Jan. 25, 2018
Applicant:

Japan Display Inc., Tokyo, JP;

Inventors:

Shigenori Aoki, Tokyo, JP;

Susumu Kimura, Tokyo, JP;

Tsutomu Harada, Tokyo, JP;

Naoyuki Takasaki, Tokyo, JP;

Assignee:

Japan Display Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0061 (2013.01); G02B 6/003 (2013.01); G02B 6/0046 (2013.01); G02B 6/0078 (2013.01); G02B 6/0021 (2013.01); G02B 6/0038 (2013.01); G02B 6/0041 (2013.01); G02B 6/0055 (2013.01); G02B 6/0065 (2013.01); G02F 1/133615 (2013.01);
Abstract

According to one embodiment, an illumination device includes a light source, clad, and a plurality of cores. The clad includes a first edge at a light source side, a second edge opposite to the first edge, and a plurality of grooves formed by a plurality of partitions extending in parallel to each other from the first edge to the second edge. The cores are accommodated in the grooves, and each core includes an incident surface on which light from the light source is incident and an exit surface exposed from the groove to emit the light incident on the incident surface.


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