Exterior member for home appliance and manufacture method thereof

A refrigerator door comprising:

• a front panel that defines a front appearance of the refrigerator door exposed to an outside of the refrigerator door, the front panel being made of a metal plate;
• a door liner that is spaced apart from the front panel and that defines a rear appearance of the refrigerator door;
• a decoration member that define an upper surface of the refrigerator door and a lower surface of the refrigerator door and that is coupled with the front panel and the door liner;
• an insulation member filled in an internal space that is defined by the front panel, the door liner, and the decoration member;
• a displaying part having a plurality of through-holes that penetrate through the metal plate, the display part being configured to display symbols or numbers based on transmitting light through the plurality of through-holes to display operation information of a refrigerator;
• a display assembly comprising a plurality of light emitting diodes (LEDs) that are configured to radiate light, the plurality of LEDs being disposed at positions corresponding to the through-holes, and
• a hole-filling member that is filled in the through-holes and that is made of a material configured to transmit light,
• wherein the through-holes are tapered from a rear surface of the front panel toward a front surface of the front panel and completely filled with the hole-filling member.