Touch sensor assembly and door including the same
A household appliance as described herein includes a front panel forming an exterior, a display window formed with a plurality of through holes having minute or fine sizes formed at the front panel, and the plurality of through holes are filled with a urethane coating liquid including an anti-foaming agent.
1. A method of manufacturing a household appliance, comprising:
forming on an exterior panel of a household appliance a plurality of through holes to form a display window area;
screen printing a urethane coating liquid which includes an anti-foaming agent on a rear surface of the exterior panel to form a coating layer filling the plurality of through holes;
contouring the exterior panel to a prescribed shape base on a shape of the household appliance; and
mounting a display cover on the rear surface of the contoured exterior panel at a location corresponding to the display window area.
2. The method of claim 1 , further comprising forming a first black colored layer on a surface of the coating layer except the plurality of through holes.
3. The method of claim 2 , further comprising forming a second black colored layer on a front surface of the display cover, wherein when the display cover is mounted on a rear surface of the front panel, the second black colored layer is in contact with the first black colored layer.
4. The method of claim 3 , further comprising:
mounting a display assembly on a display frame; and
coupling the display frame to a rear surface of the display cover.
5. The method of claim 1 , wherein the display window area includes at least one of a text, a drawing, or a symbol formed by a group of the plurality of through holes.
6. The method of claim 1 , wherein the anti-foaming agent is included in the urethane coating liquid at 0.5 to 1.5 wt %.