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:
Jun. 18, 2019

Filed:

Jul. 06, 2018
Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Atsushi Fukui, Osaka, JP;

Tomohisa Sakaguchi, Kyoto, JP;

Kenichiro Mase, Osaka, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G02B 6/00 (2006.01); F21S 43/00 (2018.01); F21S 43/237 (2018.01); F21S 43/245 (2018.01); F21S 43/247 (2018.01);
U.S. Cl.
CPC ...
G02B 6/0036 (2013.01); F21S 43/00 (2018.01); F21S 43/237 (2018.01); F21S 43/245 (2018.01); F21S 43/247 (2018.01); G02B 6/0031 (2013.01); G02B 6/0038 (2013.01); G02B 6/00 (2013.01);
Abstract

There is provided a light guide body, containing: a first end region; a second end region located on an opposite side of the first end region; first dots; and second dots having a dot in the first end region being smaller than a dot in the second end region, wherein a size difference between the first dots and the second dots in the first end region is smaller than a size difference between the first dots and the second dots in the second end region.


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