Improve backlight unit that membrane material shifted

The utility model provides an improve backlight unit that membrane material shifted, including gluing frame and membrane material, it has the barricade to glue the frame, the barricade has a trapezoidal constant head tank, and the minor face of this trapezoidal constant head tank is located barricade, long limit along the barricade, membrane material cooperation set up in in the barricade, this backlight unit includes still that silica gel and black single face are gluey, silica gel is trapezoidal, and the cooperation sets up in trapezoidal constant head tank, supports the trapezoidal locating ear of membrane material piece, black single face glue along the extending direction of trapezoidal constant head tank sets up, middle adhesion in silica gel, the both ends adhesion in glue the frame. The beneficial effects of the utility model are that: set up trapezoidal locating ear of complex piece and trapezoidal constant head tank, in addition silica gel and black single face glue fixed, can guarantee the cooperat