Title:
A LIGHT EMITTING DEVICE.
Document Type and Number:
WIPO Patent Application WO/2017/060084
Kind Code:
A3
Abstract:
A light emitting device (10) comprising a central core element (11) and a plurality of LED light sources (12), the central core element (11) being a cylindrical element comprising a longitudinal direction and a cross-section in a direction perpendicular to the longitudinal direction, the cross section being shaped like a polygon with N sides, wherein N is equal to any one of 4 and an odd integer equal to or larger than 3, and wherein the plurality of LED light sources (12) are arranged on the N sides of the central core element in such a way that on at least one of the N sides the number of LED light sources equals n+1 and on the remaining of the N sides the number of LED light sources equals n, where n is an integer being equal to or larger than 1, and that for all numbers of the N sides with n LED light sources the difference between the smallest number of adjacent sides with n LED light sources and the largest number of adjacent sides with n LED light sources is always maximally 1.
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Inventors:
BEIJER JOHANNES GERRIT JAN (NL)
ANSEMS JOHANNES PETRUS MARIA (NL)
ANSEMS JOHANNES PETRUS MARIA (NL)
Application Number:
PCT/EP2016/072375
Publication Date:
May 18, 2017
Filing Date:
September 21, 2016
Export Citation:
Assignee:
PHILIPS LIGHTING HOLDING BV (NL)
International Classes:
F21K9/232; F21K9/65; F21V14/02; F21Y107/30; F21Y115/10
Foreign References:
| DE202011003972U1 | 2011-12-07 | |||
| US20090262530A1 | 2009-10-22 | |||
| US20080062703A1 | 2008-03-13 | |||
| US20050207152A1 | 2005-09-22 | |||
| US20110215696A1 | 2011-09-08 | |||
| US20130271989A1 | 2013-10-17 | |||
| US20150260353A1 | 2015-09-17 |
Attorney, Agent or Firm:
VAN EEUWIJK, Alexander, Henricus, Walterus et al. (NL)
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