Backlight Module and LCD Device Comprising Backlight Module

A backlight module, comprising:

• a middle frame, a light guide panel, and a light source;
• wherein said backlight module further comprises a shielding structure which is used for preventing the light of the light source from being directly emitted from the gap between the middle frame and the light guide panel;
• said shielding structure comprises a groove arranged in the middle frame, and a convex lug arranged on the light guide panel;
• said convex lug is arranged in said groove, the shape of said convex lug corresponds to that of said groove, the cross section of said convex lug is in a triangle shape, the length of said convex lug is more than or equal to that of said light source, and said convex lug is an independent component and is integrated with said light guide panel by assembling;
• said convex lug comprises a root, the edge of said light guide panel is provided with a T-shaped notch, and the root of said convex lug is arranged in said notch and integratedly fixes said convex lug and said light guide panel;
• the backlight module is a bottom-light backlight module.