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. 22, 2021

Filed:

May. 26, 2017
Applicant:

138 East Lcd Advancements Limited, Sandyford, IE;

Inventors:

Yoichi Momose, Matsumoto, JP;

Nobutaka Urano, Chino, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1333 (2006.01); F21V 8/00 (2006.01); G02F 1/1335 (2006.01); G02F 1/13357 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133308 (2013.01); G02B 6/0031 (2013.01); G02B 6/009 (2013.01); G02B 6/0051 (2013.01); G02B 6/0055 (2013.01); G02B 6/0068 (2013.01); G02B 6/0085 (2013.01); G02F 1/13332 (2021.01); G02F 1/133512 (2013.01); G02F 1/133615 (2013.01);
Abstract

In a liquid crystal display device, a reflecting surface is attached to a portion, which overlaps with a periphery portion of a light guiding plate where the light incident section is position in a surface on the light guiding plate side in the dispersing sheet which is positioned farthest to the light guiding plate side among a plurality of optical sheets which are positioned between the light guiding plate and a liquid crystal panel. As a result, light which is emitted from the periphery portion of the light guiding plate is returned into the light guiding plate by being reflected by the reflecting surface, and after this, is emitted as illumination light from a light emitting surface while progressing within the light guiding plate.


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