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:
Mar. 23, 2010
Filed:
May. 23, 2006
Sima Asvadi, Eindhoven, NL;
Martijn Krans, Eindhoven, NL;
Michel Paul Barbara Van Bruggen, Eindhoven, NL;
Johannes Theodorus Adriaan Wilderbeek, Eindhoven, NL;
Jacob Marinus Jan Den Toonder, Eindhoven, NL;
Sima Asvadi, Eindhoven, NL;
Martijn Krans, Eindhoven, NL;
Michel Paul Barbara Van Bruggen, Eindhoven, NL;
Johannes Theodorus Adriaan Wilderbeek, Eindhoven, NL;
Jacob Marinus Jan Den Toonder, Eindhoven, NL;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
A light-source comprising at least one lighting unit () being arranged on a substrate () and a diffusing element () being arranged to receive and diffuse light emitted by said at least one lighting unit () is provided. The diffusing element () comprises a layer of non-woven fabric having a lower density at a side facing the lighting unit and a higher density at a side opposite to the lighting unit to obtain good diffusing properties.