Patent ID: 8823895

Claim:
A flat panel display device, wherein the flat panel display device comprises a backlight system and a display panel, wherein: the backlight system comprises 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 back frame comprises at least first and second primary assembling pieces, wherein the first primary assembling piece has an end connectable to an end of the second primary assembling piece, the end of the first primary assembling piece forming at least two joint sections, each of the joint sections having a structure mating the end of the second primary assembling piece, the end of the second primary assembling piece being switchably jointed to a first one and a second one of the at least two joint sections of the first primary assembling piece so that the second primary assembling piece is connected to the first primary assembling piece in a position-adjustable manner, the primary assembling pieces comprising positioning sections to respectively define a first size and a second size of the back frame, the second size being different from the first size, the positioning sections cooperating with a back panel of the flat panel display device to position the back frame.