Image display device

An image display device, comprising:

• a light source portion;
• a light guide plate in a shape of a quadrilateral, the light guide plate including an end face from which light emitted from the light source portion enters and an front 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 from front of the light guide plate in a state in which the frame is fixed to a wall portion of the base plate, wherein
• the frame includes:
• a main body disposed inwardly of and along the wall portion;
• and
• a holder extending from the main body, the holder holding an end portion of the light guide plate from the front 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 in which a first protrusion faces the wall portion, the front portion being in front of the holder, 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.