A lighting module comprises a light guide plate including a predetermined pattern; a case covering both sides of the light guide plate; and a light source which is disposed in the case and is configured to emit light to the both sides of the light guide plate, wherein the light guide plate is configured to emit the light from the light source through a top surface and a bottom surface of light guide plate, and wherein the lighting module is configured to emit first light upward from the top surface of the light guide plate, and second light downward from the bottom surface of the light guide plate.