(19)
(11) EP 2 680 671 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.07.2015 Bulletin 2015/28

(43) Date of publication A2:
01.01.2014 Bulletin 2014/01

(21) Application number: 13174044.1

(22) Date of filing: 27.06.2013
(51) International Patent Classification (IPC): 
H05B 33/08(2006.01)
F21S 11/00(2006.01)
 F21S 10/02(2006.01)
F21S 19/00(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 28.06.2012 US 201213536147

(71) Applicant: OSRAM SYLVANIA INC.
Danvers, MA 01923 (US)

(72) Inventor:
  • Adler, Helmar
    Danvers, MA 01923 (US)

(74) Representative: Viering, Jentschura & Partner Patent- und Rechtsanwälte 
Am Brauhaus 8
01099 Dresden
01099 Dresden (DE)

   


(54) Multimode color tunable light source and daylighting system


(57) A lighting system comprising:a natural light source configured to deliver natural light to the interior of a structure, a multimode artificial light source (207); an all sky camera (209), a control unit (211) in communication with said multimode artificial light source and said all sky camera and a mixing chamber (215) configured to receive light from said natural light source and light from said at least one multimode artificial light source, wherein said control unit (211) is configured to, in response to an environmental control signal from said all sky camera, output at least one control signal to said multimode artificial light source and wherein said multimode artificial light source (207) is configured to output light of varying color and color temperature in response to said at least one control signal.







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Search report