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. 19, 2011
Filed:
Oct. 12, 2007
Michel C. J. M. Vissenberg, Eindhoven, NL;
Willem L. Ijzerman, Eindhoven, NL;
Michel C. J. M. Vissenberg, Eindhoven, NL;
Willem L. Ijzerman, Eindhoven, NL;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
The present invention relates to a light emitting diode (LED) lighting device (). The device comprises a light guide plate (), a plurality of LEDs () for emitting light into the light guide plate, a plurality of out-coupling structures () adapted to extract light from the light guide plate, and first and second electrodes () connected to the LEDs. The first electrode is arranged at one side () of the light guide plate and the second electrode is arranged at the other side () of the light guide plate. Such a lighting device may have a reduced thickness.