The utility model relates to a display device for a household appliance, comprising a display window and a printed circuit board provided with an LED, wherein a bracket comprising a plurality of light holes and a light guide part provided with a plurality of light guide posts are arranged between the display window and the printed circuit board, and the light guide posts are contained in the light holes. A flange integrally formed in the bracket or in the light guide part extends out towards and comes in contact with the display window in a sealing manner, and is arranged around the light holes and the light guide posts so as to play the role of sealing a display area.