Patent ID: 8168925

Claim:
A glass-ceramic plate for covering or receiving at least one heating element of a cooking plate, comprising: a glass-ceramic substrate; and a coating formed on a surface of the glass-ceramic substrate; wherein: the coating comprises a matte coating and a reflective coating; the matte coating and the reflective coating together cover an entirety of the surface of the glass-ceramic substrate; the coating comprises a background zone and a display zone; the background zone corresponds to an area of the surface of the glass-ceramic substrate where the matte coating is present and occupies from 50 to 99% of a surface area of the coating; the background zone comprises a layer of the matte coating formed on the surface of the glass-ceramic substrate or a layer of the matte coating formed on the surface of the glass-ceramic substrate with a layer of the reflective coating formed thereover; the display zone corresponds to an area of the surface of the glass-ceramic substrate where the matte coating is not present and occupies from 1 to 50% of the surface area of the coating; the display zone comprises a layer of the reflective coating formed on the surface of the glass-ceramic substrate; the background zone has a matte appearance when viewing the glass-ceramic plate, such that a main part of a heating structure of the cooking plate is masked when the glass-ceramic plate is used in the cooking plate; and the display zone has a reflective appearance relative to the background zone when viewing the glass-ceramic plate, such that decoration, information, or functional elements are revealed and operation of such elements may be detected when the glass-ceramic plate is used in the cooking plate.