(19)
(11) EP 1 664 867 A2

(12)

(88) Date of publication A3:
19.05.2005

(43) Date of publication:
07.06.2006 Bulletin 2006/23

(21) Application number: 04769808.9

(22) Date of filing: 13.08.2004
(51) International Patent Classification (IPC): 
G02B 6/00(1985.01)
(86) International application number:
PCT/IB2004/051456
(87) International publication number:
WO 2005/017581 (24.02.2005 Gazette 2005/08)
(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

(30) Priority: 15.08.2003 WO PCT/IB03/03682

(71) Applicant: Koninklijke Philips Electronics N.V.
5621 BA Eindhoven (NL)

(72) Inventor:
  • TSUDA, Akimitsu, c/o Philips Japan, Ltd.
    Tokyo 108-8507 (JP)

(74) Representative: Damen, Daniel Martijn 
Philips Intellectual Property & Standard P.O. Box 220
5600 AE Eindhoven
5600 AE Eindhoven (NL)

   


(54) BACKLIGHT DEVICE