A liquid crystal display apparatus comprising: a liquid crystal panel assembly including; a liquid crystal panel, a backlight module having a light source including a plurality of light emitting diodes, LEDs, and arranged to irradiate light to the liquid crystal panel, and a light guide plate arranged to guide light from the light source, a diffusing plate arranged to diffuse light from the light guide plate to the liquid crystal panel, and a reflecting plate arranged to reflect light from the light guide plate to the diffusing plate; and a housing which surrounds the liquid crystal panel and the backlight module, the housing having a front housing part which is arranged to expose a screen of the liquid crystal panel to the outside and a rear housing part formed of a thermally conductive material and arranged at a rear side of the backlight module; a frame having a front frame part which is configured to expose the screen of the liquid crystal panel, and a rear frame part formed of a thermally and electrically conductive material and mounted at a rear side of the liquid crystal panel assembly; a controller interposed between the rear frame part and the rear housing part, the controller being arranged to control a whole operation of the liquid crystal display apparatus, wherein the LED light source further includes a circuit board on to which the plurality of LEDs are mounted and, the plurality of LEDs are further arranged to irradiate light in a lateral direction of the light guide plate, wherein the rear frame part is arranged to be in contact with the rear housing part, and the rear housing part and the rear frame part are arranged either in contact with or adjacent to the LED light source so that the heat generated by the light source is transferred through both the rear housing part and the rear frame part, wherein the rear frame part has an electromagnetic wave shield function of effectively intercepting electromagnetic waves generated by the controller during operation. a liquid crystal panel assembly including; a liquid crystal panel, a backlight module having a light source including a plurality of light emitting diodes, LEDs, and arranged to irradiate light to the liquid crystal panel, and a light guide plate arranged to guide light from the light source, a diffusing plate arranged to diffuse light from the light guide plate to the liquid crystal panel, and a reflecting plate arranged to reflect light from the light guide plate to the diffusing plate; and a housing which surrounds the liquid crystal panel and the backlight module, the housing having a front housing part which is arranged to expose a screen of the liquid crystal panel to the outside and a rear housing part formed of a thermally conductive material and arranged at a rear side of the backlight module; a frame having a front frame part which is configured to expose the screen of the liquid crystal panel, and a rear frame part formed of a thermally and electrically conductive material and mounted at a rear side of the liquid crystal panel assembly; a controller interposed between the rear frame part and the rear housing part, the controller being arranged to control a whole operation of the liquid crystal display apparatus, wherein the LED light source further includes a circuit board on to which the plurality of LEDs are mounted and, the plurality of LEDs are further arranged to irradiate light in a lateral direction of the light guide plate, wherein the rear frame part is arranged to be in contact with the rear housing part, and the rear housing part and the rear frame part are arranged either in contact with or adjacent to the LED light source so that the heat generated by the light source is transferred through both the rear housing part and the rear frame part, wherein the rear frame part has an electromagnetic wave shield function of effectively intercepting electromagnetic waves generated by the controller during operation.