Liquid crystal display device

A liquid crystal display device, comprising:

• a light guide plate having an upper surface, a lower surface and a light input edge, wherein the upper surface and the lower surface are opposite to each other and adjacent to the light input edge;
• a light source module being disposed close to the light input edge;
• a first tape being wrapped externally and pasted on the light source module and the light guide plate;
• a circuit board holder being disposed above the light source module and a part of the upper surface adjacent to the light input edge;
• an elastic support piece being disposed on the upper surface of the light guide plate and surrounding the periphery of the upper surface to form an accommodating space, wherein a part of the elastic support piece is disposed on the circuit board holder;
• an optical film being disposed in the accommodating space;
• a panel being disposed upon the elastic support piece and covering the accommodating space;
• an elastic buffer piece being leaned on outside edges of both the panel and the light guide plate;
• and
• a first circuit board being disposed on the circuit board holder and electrically connecting to the panel for driving the panel.