Patent ID: 6969834

Claim:
An induction heating cooker incorporating therein a luminous device, the luminous device comprising: one or more line-shaped luminous units, each luminous unit including: an elongated light guide having a generally flat luminous surface for emitting light and another surface disposed opposite to the luminous surface; one or more light sources for providing light into the light guide; and a reflective layer disposed on said another surface of the light guide, wherein the reflective layer is made of an adhesive and the light guide is joined with another part by the reflective layer, wherein the induction heating cooker comprises: a light transmitting top plate disposed on a case; a heating region disposed on the top plate; and an induction heating coil disposed under the to elate corresponding to the position of the heating region, wherein the luminous device is arranged under the top plate along an outer circumference of the induction heating coil and the luminous device emits light toward the top plate along the whole part or portions of the outer circumference.