Patent ID: 8804373

Claim:
A back frame of a flat panel display device, wherein the back frame comprises at least two assembling pieces, the at least two assembling pieces being joined to form the back frame, the back frame further comprising a bracing piece, the bracing piece being set in pawl mating engagement with the assembling pieces; and 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, the at least two primary assembling pieces comprising 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 second primary assembling piece being switchably jointed to one of the at least two joint sections of the first primary assembling piece by selectively using one of the joint sections so that the second primary assembling piece is connected to the first primary assembling piece in a position-adjustable manner.