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:
Oct. 10, 2017

Filed:

Mar. 30, 2016
Applicant:

Panasonic Liquid Crystal Display Co., Ltd., Himeji-shi, Hyogo, JP;

Inventor:

Takenori Yaguchi, Hyogo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0088 (2013.01);
Abstract

A backlight apparatus is provided that may have: a backlight having a light guide plate; and a frame supporting the backlight and having a fitted portion. The light guide plate has a light guide main body, and a protruding portion extending outward from one of side edges of the light guide main body. The protruding portion is fitted into the fitted portion. The light guide plate is provided with a gap formed at least partially in the protruding portion. The gap defines a first wall extending from one of a top surface and a bottom surface of the light guide plate toward the other of the top surface and the bottom surface. The first wall provides a reflection surface for light waves carried by the light guide plate that approach the protruding portion.


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