Patent ID: 8915641

Claim:
A display device, comprising: a backlight system where a light source, a light guide plate and an optical sheet are arranged to form a surface light source; and a display panel which controls and selectively transmits light from the backlight system, characterized in that the backlight system contains the light source, the light guide plate and the optical sheet within a lower frame and has such a structure that the lower frame is covered by a middle frame that covers around an opening on an upper surface of the lower frame, at least one portion around the light guide plate is provided with an elastic member placed between the lower frame and the light guide plate so that the elastic member contacts a side surface of the light guide plate, the elastic member is provided with a protrusion that covers part of an upper surface of the light guide plate, and the middle frame presses the elastic member against the lower frame so that the protrusion of the elastic member holds the light guide plate within the lower frame, and the protrusion of the elastic member interposes between the middle frame and the upper surface of the light guide plate, and an other part of the elastic member interposes between the side surface of the light guide plate and the lower frame.