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. 11, 2015

Filed:

Jul. 25, 2013
Applicant:

AU Optronics Corp., Hsin-Chu, TW;

Inventors:

Yu-Chieh Kuan, Hsin-Chu, TW;

Yu-Sen Jang, Hsin-Chu, TW;

Assignee:

AU OPTRONICS CORP., Hsin-Chu, TW;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0088 (2013.01); G02B 6/005 (2013.01);
Abstract

A back light module includes a bezel, a light-guiding plate, an optical film and a fixing element. The bezel includes frame strips defining an accommodating space. Each frame strip has a bottom surface, a carrier surface opposite to the carrier surface, and a lateral surface connected between the bottom and carrier surfaces and facing to the accommodating space. The lateral surface of the frame strips has a first cave extended from the carrier surface through the bottom surface. The light-guiding plate and the optical film are configured in the accommodating space. The optical film has at least a first protrusion within the first cave. The fixing element is configured on the carrier surfaces of the frame strips and a portion of the optical film and corresponds to the boundary between the first protrusion and the first cave. A display device using the back light module is provided.


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