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:
Sep. 07, 2021

Filed:

Feb. 18, 2020
Applicant:

Japan Display Inc., Tokyo, JP;

Inventors:

Tetsuro Ochi, Tokyo, JP;

Ken Sugiyama, Tokyo, JP;

Toshiyuki Tsubota, Tokyo, JP;

Kazunari Nishita, Tokyo, JP;

Assignee:

Japan Display Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1333 (2006.01); G02F 1/13357 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133308 (2013.01); G02F 1/1336 (2013.01); G02B 6/005 (2013.01); G02B 6/009 (2013.01); G02B 6/0065 (2013.01); G02B 6/0078 (2013.01); G02B 6/0083 (2013.01); G02B 6/0088 (2013.01); G02F 1/133314 (2021.01); G02F 1/133317 (2021.01); G02F 2202/28 (2013.01);
Abstract

A backlight device is provided and includes a frame formed of a sheet material; a first adhesive layer provided on one surface of the frame; a reflective sheet attached to the frame with the first adhesive layer; an optical member disposed on the reflective sheet in the frame; and a light source disposed in the frame and configured to emit light to the optical member, wherein in at least a part of the frame, a width of the frame and a width of the first adhesive layer are equal to each other, and at least an internal surface of the frame and an internal surface of the first adhesive layer are flush with each other.


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