BACKLIGHT MODULE, BACK BOARD AND LIQUID CRYSTAL DISPLAY DEVICE

摘要

A backlight module, a back board and a liquid crystal display device. The backlight module comprises a back board (1), a PCB (300) and a locking accessory used for fixing the PCB (300) onto the back board (1). The board surface of the back board (1) is provided with a plurality of through holes (122). The locking accessory can be selectively mounted onto the through holes (122) through a fixing structure on the bottom of the locking accessory. Because the board surface of the back board (1) is provided with the through holes (122) for mounting a convex hull (800), the convex hull (800) can be mounted on the through hole (122) at any position, and the convex hull (800) can be arranged on the through hole (122) on the corresponding position of the back board (1) according to the size of the PCB (300). Therefore, the back board (1) can adapt to different sizes of PCBs (300) and the generality thereof is increased. In addition, a corresponding quantity of convex hulls (800) and through holes (122) are arranged according to demands on different quantities of components, so the back board (1) has higher generality, and the production cost and manufacturing cost of the back board (1) are reduced.