Lighting device, and electric household applicance equipped with such a device

摘要

An electric household appliance (2) having a box casing (3) provided with an inner compartment (4), and a lighting device (1) located inside this compartment (4); the lighting device (1) comprising a flat body (6, 14, 17) of transparent and/or semitransparent material, and at least one light-emitting diode (7) optically coupled to the flat body (6, 14, 17)) to project the emitted light inside of the flat body (6, 14, 17) sideways of the latter, so as that the flat body (6, 14, 17) acts as a light guide; the flat body (6, 14, 17) having a front face (6a) and a rear face (6b, 14b, 17b) opposite one to the other, and being designed so that the surface of said rear face (6b, 14b, 17b) has a Fresnel type lens relief pattern in order to reflect the light produced by the at least one light-emitting diode (7) and traveling inside the flat body (6, 14, 17), outwards of the flat body (6, 14, 17) through the front face (6a) of said flat body (6, 14, 17); said at least one seat (9, 15, 18) is formed in the front or rear face (6b, 14b, 17b) of the flat body (6, 14, 17), and said at least one light-emitting diode (7) is housed inside said seat (9, 15, 18).