Au Optronics Corporation

Yu-Sen Jang

Chih-Shun Fan

Yu-Chieh Kuan

Yung Chih Liu

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.

Back light module and display device using the same

A thin backlight module includes a light guide plate, a light source module, and an adhesive layer. The light guide plate has a light-entering end and a bottom, wherein a plurality of troughs spaced at intervals are formed on a portion of the bottom connected to the light-entering end. The light source module is disposed corresponding to the light-entering end and includes a substrate and a plurality of light sources. The light sources are disposed on the substrate and distributed along the light-entering end, wherein each of the light sources corresponds to an interval between the adjacent troughs. The adhesive layer is attached to the substrate, faces the bottom of the light guide plate, and extends into the troughs to be attached to the light guide plate.

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Hsin-Chu, Taiwan

Yu-Sen Jang