Patent ID: 7798700

Claim:
A liquid crystal display comprising: a liquid crystal display panel; and a backlight module positioned adjacent to the liquid crystal panel, the backlight module comprising: a light guide plate, comprising: a light emitting surface; a bottom surface opposite to the light emitting surface; a light incident surface perpendicularly connected with the light emitting surface; a first side surface perpendicularly connected with both the light incident surface and the light emitting surface; a second side surface opposite to the first side surface; at least one protrusion outwardly extending from the first side surface and forming an inclined or a curved bottom surface at the same side with the bottom surface of the light guide plate side; and at least one protrusion outwardly extending from the second side surface and forming an inclined or a curved bottom surface at the same side with the bottom surface of the light guide plate side; wherein a center of gravity of each protrusion closes to the light incident surface of the light guide plate.