An image display device , comprising: a display unit including a display panel that displays an image on a front surface of the display panel , and a support member opposing a back surface of the display panel and supporting the display panel ; the image display device further comprising a plurality of attaching members bonded on or inserted into the support member ; and a base plate opposing a back surface of the support member , wherein the base plate includes: a first opening part including an opening through which a fastening member passes, the fastening member fastening the base plate with a first attaching member that is one of the plurality of attaching members ; and a second opening part including an opening into which a protruding part is inserted, the protruding part being provided to a second attaching member that is another one of the plurality of attaching members the opening of the second opening part being larger than the protruding part as viewed from a protruding direction of the protruding part , wherein a gap is formed between the protruding part and the second opening part to prevent the base plate from having substantial mechanical engagement with the protruding part . a display unit including a display panel that displays an image on a front surface of the display panel , and a support member opposing a back surface of the display panel and supporting the display panel ; the image display device further comprising a display panel that displays an image on a front surface of the display panel , and a support member opposing a back surface of the display panel and supporting the display panel ; the image display device further comprising a plurality of attaching members bonded on or inserted into the support member ; and a base plate opposing a back surface of the support member , wherein the base plate includes: a first opening part including an opening through which a fastening member passes, the fastening member fastening the base plate with a first attaching member that is one of the plurality of attaching members ; and a second opening part including an opening into which a protruding part is inserted, the protruding part being provided to a second attaching member that is another one of the plurality of attaching members the opening of the second opening part being larger than the protruding part as viewed from a protruding direction of the protruding part , wherein a gap is formed between the protruding part and the second opening part to prevent the base plate from having substantial mechanical engagement with the protruding part . a first opening part including an opening through which a fastening member passes, the fastening member fastening the base plate with a first attaching member that is one of the plurality of attaching members ; and a second opening part including an opening into which a protruding part is inserted, the protruding part being provided to a second attaching member that is another one of the plurality of attaching members the opening of the second opening part being larger than the protruding part as viewed from a protruding direction of the protruding part , wherein a gap is formed between the protruding part and the second opening part to prevent the base plate from having substantial mechanical engagement with the protruding part . <EOS>