| 摘要 |
The present invention provides a back frame of flat panel display device, which includes at least two primary assembling pieces. The at least two primary assembling pieces both have a joint section. The at least two primary assembling pieces form a main frame structure of the back frame with corresponding joint sections, wherein at least one of the primary assembling pieces comprises a reinforcement structure formed on the joint section thereof. The back frame further includes a bracing piece fixed to the assembling pieces. The bracing piece is mounted to the primary assembling pieces or the secondary assembling pieces or mounted to both the primary assembling pieces and the secondary assembling pieces, wherein available mounting points between the bracing piece and the primary assembling pieces or the secondary assembling pieces are of a number of at least two so that the bracing piece is selectively mounted to the back frame at different positions. The present invention also provides a backlight system. The back frame and the backlight system 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.
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