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.:

US 10634948 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 28, 2020

Filed:

Mar. 06, 2017
Applicant:

Sharp Kabushiki Kaisha, Sakai, Osaka, JP;

Inventor:

Kenji Takase, Sakai, JP;

Assignee:

SHARP KABUSHIKI KAISHA, Sakai, Osaka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); F21V 8/00 (2006.01); G02F 1/13357 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133603 (2013.01); G02B 6/0031 (2013.01); G02F 1/133605 (2013.01); G02F 1/133606 (2013.01); G02F 1/133608 (2013.01); G02F 1/133611 (2013.01); G02F 1/133615 (2013.01); G02F 1/133621 (2013.01); G02B 6/0055 (2013.01); G02B 6/0056 (2013.01);
Abstract

The present invention provides a lighting device that is excellent in luminance uniformity and light use efficiency and allows for a narrower frame, and a display device including the lighting device. Provided is a lighting device including: a light guide plate; a light source disposed posterior to the light guide plate; a reflection member including a reflective surface facing a light emitting surface of the light source and a light incident surface of the light guide plate, disposed lateral to the light guide plate and the light source, the lighting device further including a reflective polarizing layer on the light incident surface of the light guide plate.


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Takase, Kenji. (2020). Lighting device and display device (U.S. Patent No. 10634948). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10634948

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