(19)
(11) EP 2 462 456 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
31.10.2018 Bulletin 2018/44

(45) Mention of the grant of the patent:
05.09.2018 Bulletin 2018/36

(21) Application number: 10806939.4

(22) Date of filing: 29.07.2010
(51) International Patent Classification (IPC): 
G01R 31/26(2014.01)
(86) International application number:
PCT/US2010/043619
(87) International publication number:
WO 2011/017182 (10.02.2011 Gazette 2011/06)

(54)

SYSTEM AND METHOD OF TESTING HIGH BRIGHTNESS LED (HBLED)

SYSTEM UND VERFAHREN ZUM TESTEN VON LEDS MIT HOHER HELLIGKEIT

SYSTÈME ET PROCÉDÉ POUR TESTER UNE DEL À HAUTE LUMINOSITÉ (HBLED)

(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 SE SI SK SM TR

(30) Priority: 03.08.2009 US 230968 P

(43) Date of publication of application:
13.06.2012 Bulletin 2012/24

(73) Proprietor: SOF-TEK Integrators, Inc. dba OP-Test
Redding, CA 96003-1479 (US)

(72) Inventors:
  • MORROW, Daniel, Creighton
    Redding CA 96003 (US)
  • DUMMER, Jonathan, Leigh
    Redding CA 96002 (US)

(74) Representative: Barker Brettell LLP 
100 Hagley Road Edgbaston
Birmingham B16 8QQ
Birmingham B16 8QQ (GB)


(56) References cited: : 
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US-A1- 2003 133 491
US-A1- 2009 179 652
US-B2- 7 030 642
   
  • KEPPENS A ET AL: "High power light-emitting diode junction temperature determination from current-voltage characteristics", JOURNAL OF APPLIED PHYSICS, AMERICAN INSTITUTE OF PHYSICS, US, vol. 104, no. 9, 4 November 2008 (2008-11-04), pages 93104-93104, XP012118015, ISSN: 0021-8979, DOI: 10.1063/1.3009966
  • TREVISANELLO L ET AL: "Accelerated Life Test of High Brightness Light Emitting Diodes", IEEE TRANSACTIONS ON DEVICE AND MATERIALS RELIABILITY, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 8, no. 2, 1 June 2008 (2008-06-01), pages 304-311, XP011347917, ISSN: 1530-4388, DOI: 10.1109/TDMR.2008.919596
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).