The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 18, 2017
Filed:
Nov. 13, 2013
Eurokera S.n.c., Chateau-Thierry, FR;
Jean-Yves Laluet, Paris, FR;
Pierrick Guiset, Massy, FR;
Pablo Vilato, Paris, FR;
Claire Mallet, Outremont, CA;
EUROKERA S.N.C., Chateau-Thierry, FR;
Abstract
The present invention relates to an article having at least one luminous area, particularly for display purposes, particularly a white area, said article comprising at least one glass-ceramic substrate having a light transmission from 0.8% to 40% and an optical transmission of at least 0.10, at least at a wavelength within the range from 420 to 780 nm, at least one light source, particularly a light-emitting diode, having an emission peak at a wavelength between 430 and 490 nm, and at least one luminescent compound emitting in the area of the CIExyY (1931) three-color diagram delimited by the following coordinates (x, y): so as to form at least one luminous area, particularly a white area, in particular for display purposes, in at least one area of the plate.