Vitroceramic article with luminous display

Abstract

The present invention relates to a vitroceramic article intended in particular to cover or receive heating elements, said article being provided with at least one luminous zone, in particular for display, comprising at least one luminous pattern, said article comprising at least one vitroceramic substrate, at least one light source, and at least one enamel coating which covers at least a part of said zone and within which an uncovered region is formed in the shape of said pattern, the composition of said enamel comprising at least one glass frit and at least one pigment, the glass frit comprising the following constituents: SiO2 40-55% Al2O3 0-10% B2O3 25-55% Na2O 0-5% K2O 0-5% Li2O 0-10%, the rate of pigment or pigments being from 40 to 65% by weight of the frit/pigment mixture, the article furthermore comprising a diffusing zone facing the enamel coating.

Dependencies are inferred from the claim text.