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. 11, 2012
Filed:
May. 04, 2009
Josephus Paulus Augustinus Deeben, Eindhoven, NL;
Rene Jan Hendriks, Eindhoven, NL;
Marcellus Jacobus Johannes Van Der Lubbe, Eindhoven, NL;
Josephus Paulus Augustinus Deeben, Eindhoven, NL;
Rene Jan Hendriks, Eindhoven, NL;
Marcellus Jacobus Johannes Van Der Lubbe, Eindhoven, NL;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
The invention provides an illumination device () comprising (a) a light emitting diode (LED), (b) a heat sink () and (c) a self-supporting grid (). This grid () is arranged downstream of the LED () and arranged so as to be in contact with the heat sink. The self-supporting grid () comprises a plurality of grid structures () and a plurality of grid openings) between the grid structures (). At least part of the total number of grid openings () encloses luminescent material (), thereby providing luminescent material-filled grid openings (). The luminescent material () is arranged to absorb at least part of the LED emission () and emit luminescent material emission (). The LED () and the luminescent material () are arranged to provide light () of a predetermined color downstream of the self-supporting grid ().