A backlight assembly and an LCD apparatus are provided. The LCD apparatus has a light guide plate for guiding a light input through side surfaces and emitting the light through an emitting surface. The light guide plate has at least one fixing recess disposed on at least one side surface of the side surfaces. The light guide plate is received in a receiving container having at least one fixing protrusion corresponding to the fixing recess. Also, the receiving container has at least one engaging hole corresponding to the fixing protrusion and disposed on a sidewall thereof. The fixing protrusion fixes the light guide plate to the receiving container and provides a space on which the engaging hole is formed. Accordingly, it is able to reduce an entire size of the LCD apparatus and the LCD apparatus can be easily assembled.