Cabinet and display apparatus

A display apparatus comprising:

• a first sub-cabinet having a first inner wall with an opening;
• a second sub-cabinet having a second inner wall, the first and second sub-cabinets being fixed to each other so that the first and second inner walls face each other with a gap of a specific distance therebetween;
• a display panel having a display screen, the display panel being interposed between the first and second sub-cabinets so that the display screen is exposed through the opening of the first sub-cabinet;
• a first rib laid on the first inner wall of the first sub-cabinet but outside the display panel at least in a specific direction among upper, lower, left and right directions of the display panel, the first rib having an almost same shape as an outer shape of the first sub-cabinet;
• and
• a second rib laid on the second inner wall of the second sub-cabinet but outside the display panel at least in the specific direction, the second rib having an almost same shape as an outer shape of the second sub-cabinet,
• wherein the first rib is placed outside the second rib, or vise versa, in the specific direction, the first and second ribs having a height in the specific direction, the height being greater than at least a half of the specific distance.