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.
Patent No.:
Date of Patent:
Nov. 30, 2021
Filed:
Dec. 22, 2019
Applicant:
Sharp Kabushiki Kaisha, Sakai, JP;
Inventor:
Yoshitake Nakamura, Sakai, JP;
Assignee:
SHARP KABUSHIKI KAISHA, Sakai, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0088 (2013.01); G02B 6/0055 (2013.01);
Abstract
A lighting device includes a light source, a light guide plate, a chassis, a reflection sheet, and a supplementary member. The light guide plate is configured to guide light from the light source. The chassis includes a bottom for housing the light guide plate and recesses in the bottom. The reflection sheet is disposed between the light guide plate and the bottom and configured to reflect light toward the light guide plate. The supplementary member includes a body having a plate shape and is disposed between the reflection sheet and the bottom. The body includes a plate surface on a reflection sheet side including a flat surface.