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:
Sep. 28, 2010
Filed:
Sep. 12, 2005
Matthieu Dhenaut, Chartres, FR;
Abraham Rudolf Balkenende, Eindhoven, NL;
Virginie Mercier, Eindhoven, NL;
Jean-sebastien Straetmans, Chartres, FR;
Matthieu Dhenaut, Chartres, FR;
Abraham Rudolf Balkenende, Eindhoven, NL;
Virginie Mercier, Eindhoven, NL;
Jean-Sebastien Straetmans, Chartres, FR;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
The present invention relates to a light-transmitting substrate () which is at least provided with a light-absorbing coating (). The light-absorbing coating comprises stabilized pigments which are incorporated in a sol-gel matrix. The light absorbing coating comprises silica particles having a size between 5 and 100 nanometers and alumina particles having a size between 5 and 50 nanometers. The total volume concentration of pigments, silica and alumina particles in the light-absorbing coating is between 20 and 65 percent. The volume concentration of silica particles is between 5 and 40 percent and the volume concentration of alumina particles between 1 and 15 percent.