Patent ID: 8794227
Filing Date: 2014-08-05
Classification: C03C,F24C

Abstract:
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.