An image display device, comprising: a front display panel and a facing rear backlight unit, the rear backlight unit 814 including a light source portion, and a light guide plate in a shape of a quadrilateral, the light guide plate including an end face disposed facing the light source portion and from which light emitted from the light source portion enters and a front face, perpendicular to the end face, from which the light exits; a heat sink that holds the light source portion and the light guide plate; a base plate which accommodates the light source portion, the light guide plate, and the heat sink; and a frame that holds the light guide plate at the front face of the light guide plate in a state in which the frame is fixed to a wall portion of the base plate extending frontward in the direction of the front display panel, wherein the frame includes: a main body disposed inwardly of and along the wall portion; and a holder extending from the main body away from the wall portion, the holder holding an end portion of the light guide plate at the front face of the light guide plate, the end portion being on a side of the end face from which light emitted from the light source portion enters, the main body includes a front portion from which a first protrusion protrudes and faces the wall portion, the front portion being arranged in front of the holder so as to be closer to the front display panel, an end portion of upper wall portion is positioned in the direction towards the display panel is disposed inside of a recessed portion in front portion, and a protrusion amount by which the first protrusion protrudes is greater than a space between a rear portion of the main body and the wall portion in a direction in which the rear portion and the wall portion are aligned, the rear portion being behind the holder to be closer to the rear backlight unit such that when the first protrusion and the end portion of the wall portion are in contact with each other, the end portion presses the first protrusion, and thus a downward force is applied to the front portion. a front display panel and a facing rear backlight unit, the rear backlight unit 814 including a light source portion, and a light guide plate in a shape of a quadrilateral, the light guide plate including an end face disposed facing the light source portion and from which light emitted from the light source portion enters and a front face, perpendicular to the end face, from which the light exits; a light source portion, and a light guide plate in a shape of a quadrilateral, the light guide plate including an end face disposed facing the light source portion and from which light emitted from the light source portion enters and a front face, perpendicular to the end face, from which the light exits; a heat sink that holds the light source portion and the light guide plate; a base plate which accommodates the light source portion, the light guide plate, and the heat sink; and a frame that holds the light guide plate at the front face of the light guide plate in a state in which the frame is fixed to a wall portion of the base plate extending frontward in the direction of the front display panel, wherein the frame includes: a main body disposed inwardly of and along the wall portion; and a holder extending from the main body away from the wall portion, the holder holding an end portion of the light guide plate at the front face of the light guide plate, the end portion being on a side of the end face from which light emitted from the light source portion enters, a main body disposed inwardly of and along the wall portion; and a holder extending from the main body away from the wall portion, the holder holding an end portion of the light guide plate at the front face of the light guide plate, the end portion being on a side of the end face from which light emitted from the light source portion enters, the main body includes a front portion from which a first protrusion protrudes and faces the wall portion, the front portion being arranged in front of the holder so as to be closer to the front display panel, an end portion of upper wall portion is positioned in the direction towards the display panel is disposed inside of a recessed portion in front portion, and a protrusion amount by which the first protrusion protrudes is greater than a space between a rear portion of the main body and the wall portion in a direction in which the rear portion and the wall portion are aligned, the rear portion being behind the holder to be closer to the rear backlight unit such that when the first protrusion and the end portion of the wall portion are in contact with each other, the end portion presses the first protrusion, and thus a downward force is applied to the front portion.