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EP 1 620 843 A2

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(88) Date of publication A3: 22.09.2005 (43) Date of publication: 01.02.2006 Bulletin 2006/05 (21) Application number: 04760087.9 (22) Date of filing: 21.04.2004

(51) International Patent Classification (IPC):  G09G 5/00(1990.01) G09G 3/34(1980.01) G09F 3/04(1968.09) G09G 3/32(1980.01) G09F 11/00(1968.09) G09F 13/02(1968.09) (86) International application number: PCT/US2004/012314 (87) International publication number: WO 2004/094896 (04.11.2004 Gazette 2004/45)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR Designated Extension States: AL HR LT LV MK (30) Priority: 21.04.2003 US 464185 P 05.05.2003 US 467913 P 05.09.2003 US 500754 P 20.11.2003 US 523903 P 31.03.2004 US 558400 P (71) Applicant: Color Kinetics Incorporated Boston, MA 02108 (US)

(72) Inventors: MUELLER, George, G. Boston, MA 02113 (US) LYS, Ihor, A. Milton, MA 02186 (US) MORGAN, Frederick, M. Quincy, MA 02169 (US) PIEPGRAS, Colin Swampscott, MA 01907 (US) ROBERGE, Brian Franklin, MA 02038 (US) KIM, Hern Allston, MA 02134 (US) DOWLING, Kevin, J. Westford, MA 01886 (US) LOGAN, Derek Sanford, ME 04073 (US) CELLA, Charles, H. Pembroke, MA 02359 (US) (74) Representative: Driver, Virginia Rozanne et al Page White & Farrer 54 Doughty Street London WC1N 2LS London WC1N 2LS (GB)