Patent attributes
A water barrier structure for display unit is arranged on one lateral side of a casing of a display unit. In the casing there are received an illuminating module and a display module of the display unit, the lateral side is provided with at least one air inlet and at least one air outlet. The water barrier structure includes at least one intake fan mounted in the at least one air inlet; at least one exhaust fan mounted in the at least one air outlet; and a plurality of water-stop caps used to cover the at least one air inlet and the at least one air outlet. With the specially structured intake fan, exhaust fan and water-stop caps, the water barrier structure can provide good water barrier effect while allows heat in the casing produced by the display unit to be effectively removed from the casing through air convection.