A display panel for a home appliance, including a backlight unit to output light; a micro-lens array on the backlight unit to diffuse the light output from the backlight unit; an optical sheet layer on the micro-lens array to increase straightness of the light diffused by the micro-lens array; a touch panel on the optical sheet layer, through which the straightened light passes; and a surface layer on the touch panel to display an image according to the straightened light, wherein the optical sheet layer is configured to increase the straightness of the light diffused by the micro-lens array so as to increase brightness and sharpness of the image displayed on the surface layer.