Importance

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Abstract

The present invention provides a flat panel display device, which includes a backlight system and a display panel. The backlight system includes a light source, a light homogenization mechanism, and a back frame. The back frame carries the light source and the light homogenization mechanism, and the light homogenization mechanism guides light from the light source into the display panel. The back frame includes at least two primary assembling pieces. According to practical needs of the back frame, different materials are used for different parts at different locations. The at least two primary assembling pieces are connection through mating and joining corresponding joint sections. The joint section of at least one of the primary assembling pieces includes a reinforcement structure. The present invention also provides a stereoscopic display device and a plasma display device. The flat panel display device, the stereoscopic display device, and the plasma display device of the present invention have a simple back frame structure, reduce the expenditure of the back frame mold, and also save the material used for back frame so as to lower down the cost of flat panel display device and also improve the strength of a joining site of the back frame in order to have the overall strength of the back frame meeting a required strength.

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First Claim