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:
Mar. 26, 2024

Filed:

Aug. 01, 2023
Applicant:

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

Inventors:

Yosuke Araki, Osaka, JP;

Wahei Agemizu, Osaka, JP;

Kazumasa Takata, Osaka, JP;

Masaru Fujita, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0046 (2013.01); G02B 6/0038 (2013.01);
Abstract

Light control body () has first incident surface () and first reflection surface (). First incident surface () condenses part of light emitted from light source () and emits the light toward incident surface () of light guide plate (). First reflection surface () reflects the light that is emitted from light source () and does not pass through first incident surface (), and emits the light toward incident surface () of light guide plate (). First focal position () of first incident surface () and second focal position () of first reflection surface () are set at positions that are different from each other and away from the light emission surface of light source ().


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