ILLUMINATION APPARATUS USING A LIGHT GUIDE PLATE WITH A PLURALITY OF ENGRAVED GROOVES - Patent 2235571

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EP 2 235 571 A1

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(43)	Date of publication:
	06.10.2010 Bulletin 2010/40

(21)	Application number: 07870585.2

(22)	Date of filing: 28.12.2007

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International Patent Classification (IPC):

G02B 6/00^(2006.01)
G02F 1/13357^(2006.01)

F21V 8/00^(2006.01)

(86)	International application number:
	PCT/IT2007/000929

(87)	International publication number:
	WO 2009/084052 (09.07.2009 Gazette 2009/28)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
	Designated Extension States:
	AL BA HR MK RS

(71)	Applicant: Sirio Panel S.P.A.
	52025 Montevarchi (IT)

(72)	Inventors:
	BARILE Giovanni I-52025 Montevarchi (IT) VANNI, Paolo I-52025 Montevarchi (IT)

(74)	Representative: Cerbaro, Elena et al
	Studio Torta S.r.l. Via Viotti 9 10121 Torino 10121 Torino (IT)

(54)	ILLUMINATION APPARATUS USING A LIGHT GUIDE PLATE WITH A PLURALITY OF ENGRAVED GROOVES