IMPROVED LIGHT EXTRACTION EFFICIENCY OF GaN BASED LEDs - Patent 1334523

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EP 1 334 523 A2

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(88)	Date of publication A3:
	20.03.2003

(43)	Date of publication:
	13.08.2003 Bulletin 2003/33

(21)	Application number: 01270161.1

(22)	Date of filing: 19.10.2001

(51)	International Patent Classification (IPC)⁷: H01L 33/00

(86)	International application number:
	PCT/US0150/632

(87)	International publication number:
	WO 0206/3348 (15.08.2002 Gazette 2002/33)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

20.10.2000 US 241985 P

(71)	Applicant: Emcore Corporation
	Somerset, NJ 08873-1214 (US)

(72)	Inventors:
	ELIASHEVICH, Ivan South Orange, NJ 07079 (US) WANG, Michael Duluth, GA 30097 (US)

(74)	Representative: Hagemann, Heinrich et al
	Meissner, Bolte & PartnerAnwaltssozietät GbRPostfach 86 03 29 D-81630 München D-81630 München (DE)

(54)	IMPROVED LIGHT EXTRACTION EFFICIENCY OF GaN BASED LEDs