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:
Aug. 10, 2021

Filed:

Mar. 19, 2018
Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Akihiko Sasaki, Osaka, JP;

Mitsuhiro Namikoshi, Osaka, JP;

Ryouta Nakayama, Osaka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21S 2/00 (2016.01); G02F 1/1333 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
F21S 2/005 (2013.01); G02F 1/1335 (2013.01); G02F 1/133308 (2013.01);
Abstract

A display device includes: a display panel; a backlight that emits light toward a rear face of the display panel; a first optical sheet disposed between the display panel and the backlight; a second optical sheet disposed between the first optical sheet and the backlight; and a supporting member that supports an outer peripheral part of the first optical sheet. The first optical sheet includes a first sheet main body portion, and a first supporting piece that protrudes to a side direction from an outer peripheral part of the first sheet main body portion and is supported by the supporting member. The second optical sheet includes a second sheet main body portion, and a flat portion that is formed into a flat shape in an outer peripheral part of the second sheet main body portion and is disposed so as to correspond to the first supporting piece.


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