The present invention relates to a household appliance (1) comprising a control panel (2) produced from glass, a circular opening (3) disposed on the control panel (2), a knob (4) disposed in the opening (3), a casing (5) fixed to the rear side of the control panel (2), extending inwards from the control panel (2) and which protects the knob (4), light source (8) LEDs placed on the rear wall of the casing (5) and a light conductor (9) placed in the casing (5) and which provides the periphery of the knob (4) to be illuminated.