Patent ID: 8976312
Filing Date: 2015-03-10
Classification: G02F

Abstract:
1. A flat panel display device, wherein the flat panel display device comprises a backlight system and a display panel, wherein the backlight system comprises: an LED (Light Emitting Diode) light source, which comprises an LED lamp and an LED substrate carrying the LED lamp; a back frame, which is disposed below the LED substrate and comprises at least a first primary assembling piece and a second primary assembling piece, which are joined to form a main frame structure of the back frame, the first primary assembling piece having 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 and occupying a first one and a second one of the at least two joint sections of the first primary assembling piece, while the other one of the at least two joint sections being idle and free of occupation, so that the second primary assembling piece is connected to the first primary assembling piece in a position-adjustable manner to respectively define a first size and a second size of the back frame, the second size being different from the first size; and a printed circuit board (PCB), which is disposed below the back frame and fixed to the LED substrate.