Patent attributes
A backlight module includes a backplane and a middle frame. The backplane includes a bottom surface and a side wall. Multiple engagement slots are disposed at the side wall, and each has an engagement part. The middle frame includes a horizontal support portion having a first end connected with multiple hooks. Each of the hooks corresponds to one engagement slot. Each hook includes two connection arms. One end of the two connection arms connects with the first end of the horizontal support portion. The other end of the two connection arms is disposed with a connection member. The two connection arms are connected through an elastic member. The hooks are mounted in the engagement slots. The connection members and the engagement parts are engaged with each other such that the middle frame is secured in the backplane. The present invention also discloses a liquid crystal display device.