Patent ID: 8733958

Claim:
A flat panel display device, wherein: the flat panel display device comprises a backlight system and a display panel, the backlight system comprising a reflector plate and a back frame that carries the reflector plate, wherein the back frame comprises at least two primary assembling pieces, the at least two primary assembling pieces being joined to form a main frame structure of the back frame; and the reflector plate comprises a substrate layer and a reflection layer formed on the substrate layer, the substrate layer having a surface that is away from the reflection layer and comprises an ink layer printed thereon; and wherein the at least two primary assembling pieces comprise a first primary assembling piece and a second primary assembling piece, the first primary assembling piece having an end connectable to an end of the second primary assembling piece for jointing the first and second primary assembling pieces, 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 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.