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:
Jan. 01, 2019

Filed:

Dec. 10, 2015
Applicant:

Sharp Kabushiki Kaisha, Sakai, Osaka, JP;

Inventors:

Shohei Katsuta, Sakai, JP;

Yasushi Asaoka, Sakai, JP;

Sho Ochi, Sakai, JP;

Hideomi Yui, Sakai, JP;

Tsuyoshi Maeda, Sakai, JP;

Emi Yamamoto, Sakai, JP;

Assignee:

SHARP KABUSHIKI KAISHA, Sakai, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02B 5/00 (2006.01); G02B 5/02 (2006.01); G09F 9/00 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133504 (2013.01); G02B 5/00 (2013.01); G02B 5/02 (2013.01); G02F 1/133512 (2013.01); G09F 9/00 (2013.01); G02F 1/133528 (2013.01); G02F 2201/50 (2013.01); G02F 2202/28 (2013.01);
Abstract

A light-diffusion member () includes: a substrate () having light-transmitting properties; a light-diffusion portion () on a face of the substrate () facing a display medium (); and a light-blocking layer () on a part of the face of the substrate () facing the display medium () other than where the light-diffusion portion () is provided. The light-diffusion portion () includes: a light-emitting end face () in contact with the substrate (); and a light-incident end face () facing, and being larger in area than, the light-emitting end face (). The adhesive layer () adheres to light-incident end face () and partly () encroaches into a space () between the light-diffusion portion () and light-blocking layer ().


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