Induction heating cooler
An induction heating cooker includes an induction heating unit having an induction heating coil, a top plate made of a glass and mounted over the induction heating unit so that an object to be heated is placed on the top plate, and a light-emitting display section formed in the top plate for displaying an output state of the induction heating unit. The light-emitting display section includes a light-emitting element disposed below the top plate, and the top plate includes a portion corresponding at least to the induction heating coil and the light-emitting element. The portion is coated with a light transmissible thin film including a semiconductor, metal or metallic oxide and having such a light-transmittance characteristic that light emitted by the light-emitting element is viewed above the top plate.
1. An induction heating cooker comprising:
induction heating means having an induction heating coil;
a top plate made of a glass and provided over the induction heating means so that an object to be heated is placed thereon;
a heater which is provided below the top plate so as to self-heat;
a light-emitting display section provided in the top plate for displaying an output state of the induction heating means;
a light-emitting element disposed below the top plate, wherein:
a heat-insulating container is provided below the top plate and having an open top, the heat-insulating container having a bottom on which the heater is disposed;
the top plate includes a portion corresponding at least to the induction heating coil and the light-emitting element, said portion being coated with a light transmissible thin film comprising a semiconductor, a metal or a metal oxide and having such a light-transmittance characteristic that a larger amount of light from the light-emitting element is allowed to pass therethrough than other visible light;
the top plate has a heat-radiating opening formed in an entire or part of region thereof located over the heater, the heat-radiating opening being provided with a heat-resistant paint film; and
the heat-resistant paint film has a circumferential edge including a part overlapping the light transmissible thin film on a circumferential edge of the heat-radiating opening, and the heat-insulating container has an upper end surface which is arranged so as to abut against the overlapping part.
2. The induction heating cooker according to claim 1 , wherein the light-emitting element is disposed near the induction heating coil.
3. The induction heating cooker according to claim 1 , further comprising another light-emitting element provided below the top plate for emitting light belonging to a different wavelength range from light emitted by the light-emitting element of the light-emitting display section, wherein the top plate has a light-transmissible opening formed by removing the light transmissible thin film from a region thereof corresponding to said another light-emitting element.
4. The induction heating cooker according to claim 1 , wherein the light-transmissible opening is provided with a translucent film having such a light-transmittance characteristic that element is viewed above the top plate.
5. The induction heating cooker according to claim 1 , wherein the top plate includes a side on which a light transmissible thin film is coated and the side of the top plate is provided with a printed display section printed before the coating of the light transmissible thin film.