(19)

(11)

EP 2 780 945 A1

(12)

(43) Date of publication: 24.09.2014 Bulletin 2014/39 (21) Application number: 12850478.4 (22) Date of filing: 13.11.2012

(51) International Patent Classification (IPC):  H01L 29/737(2006.01) H01L 33/00(2010.01) H01L 29/778(2006.01) (86) International application number: PCT/US2012/064778 (87) International publication number: WO 2013/074496 (23.05.2013 Gazette 2013/21)

(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 (30) Priority: 14.11.2011 US 201161629181 P 14.11.2011 US 201161629175 P (71) Applicants: Quantum Electro Opto Systems Sdn. Bhd. 75450 Ayer Keroh, Melaka (MY) Walter, Gabriel Madison, WI 5370 (US) AL	(72) Inventor: WALTER, Gabriel Madison, WI 5370 (US) (74) Representative: Skone James, Robert Edmund  Gill Jennings & Every LLP The Broadgate Tower 20 Primrose Street London EC2A 2ES London EC2A 2ES (GB)