voltage level from a power supply unit not shown to output the alternating current power having a high voltage level suitable for driving the lamps the inverter boards 104 and 105 are located at the rear side of the bottom chassis 250 and arranged at two ends of the lamps respectively the backlight assembly 200 further includes a first side mold frame 281 and a second side mold frame 282 the first and second side mold frames 281 and 282 are arranged at the two ends of the lamps respectively the first and second side molds 281 and 282 cover the lamp holders and fix the lamp holders to the bottom chassis 250 so that the lamp holders sockets 150 are not outwardly exposed the diffusing plate 220 and the optical sheet 230 are disposed on the first and second side mold frames 281 and 282 the first and second side mold frames 281 and 282 support the end portion of the diffusing plate 220 and guide the position of the diffusing plate 220 the panel assembly 400 includes a liquid crystal display panel 410 a source printed circuit board 420 source tape carrier packages 430 and gate tape carrier packages 440 the liquid crystal display panel 410 is placed at the upper position of the optical sheet 230 and displays an image using the light the liquid crystal display panel 410 includes two substrates facing each other and.