Back light module and liquid crystal display device

A liquid crystal display (LCD) device, comprising:

• a back light module, wherein said back light module comprises a light guide plate;
• two opposite sides of said light guide plate are respectively provided with multiple notches;
• said back light module is provided with riveted nut studs in said notches, buffer parts are arranged between said riveted nut studs and said notches;
• and
• wherein elastic rubber or foam material is filled in all the gaps between said riveted nut studs and said notches to form said buffer parts.

A back light module, comprising:

• a light guide plate;
• two opposite sides of said light guide plate are respectively provided with multiple notches;
• said back light module is provided with riveted nut studs in said notches, buffer parts are arranged between said riveted nut studs and said notches;
• and
• each said buffer part is a buffer pad, and said buffer pad are bonded to interior surfaces of the notches on two opposite sides of said light guide plate;
• and the entire interior surface of each notch is in contact with said buffer pad respectively.