Top plate for cooking appliance

摘要

To provide a top plate for a cooking appliance which can be provided with a touch sensor part without involving the provision of an insulating film and has excellent visibility of light for indication from a blue LED or the like disposed behind the top plate, excellent light shielding property for preserving the aesthetic quality, and excellent heat resistance. A top plate 10 for a cooking appliance disposed over the cooking appliance includes: a glass substrate 1; a light shielding layer 2 disposed on one side of the glass substrate 1, having a thickness of 50 to 190 nm and made of Si or Ge; and a protective layer 3 disposed on the light shielding layer 2 and made of at least one material selected from the group consisting of silicon nitride, silicon oxide, titanium oxide, niobium oxide, zirconium oxide, and tantalum oxide.

主权项

1. A top plate for a cooking appliance disposed over the cooking appliance which includes a touch sensor portion arranged to control the cooking appliance, the top plate comprising:
a glass substrate; an opaque light shielding layer disposed on an underside of the glass substrate, having a thickness of 50 to 190 nm and made of Si or Ge; and a protective layer covering the light shielding layer and made of at least one material selected from the group consisting of silicon nitride, silicon oxide, titanium oxide, niobium oxide, zirconium oxide, and tantalum oxide; wherein the light shielding layer and the protecting layer are arranged in both of a first region of the top plate in which the touch sensor portion is arranged and a second region which corresponds to all remaining portions of the top plate other than the first region.