(19)
(11) EP 2 856 522 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:
05.09.2018 Bulletin 2018/36

(45) Mention of the grant of the patent:
06.12.2017 Bulletin 2017/49

(21) Application number: 13734503.9

(22) Date of filing: 22.05.2013
(51) International Patent Classification (IPC): 
H01L 33/22(2010.01)
H01L 33/32(2010.01)
 H01L 33/00(2010.01)
(86) International application number:
PCT/IB2013/054224
(87) International publication number:
WO 2013/179185 (05.12.2013 Gazette 2013/49)

(54)

IMPROVED LIGHT EXTRACTION USING FEATURE SIZE AND SHAPE CONTROL IN LED SURFACE ROUGHENING

VERBESSERTE LICHTEXTRAKTION MITTELS GRÖSSEN- UND FORMKONTROLLE WÄHREND DER LED-OBERFLÄCHENAUFRAUUNG

EXTRACTION DE LUMIÈRE AMÉLIORÉE À L'AIDE DU CONTRÔLE DE LA FORME ET DE LA TAILLE DE CARACTÉRISTIQUE DANS UN RUGOSIFICATION DE SURFACE DE DIODE ÉLECTROLUMINESCENTE

(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: 01.06.2012 US 201261654112 P

(43) Date of publication of application:
08.04.2015 Bulletin 2015/15

(73) Proprietor: Lumileds Holding B.V.
1118 BG Schiphol (NL)

(72) Inventors:
  • SINGH, Rajwinder
    NL-5656 AE Eindhoven (NL)
  • EPLER, John Edward
    NL-5656 AE Eindhoven (NL)

(74) Representative: Rüber, Bernhard Jakob 
Lumileds Germany GmbH Intellectual Property Philipsstraße 8
52068 Aachen
52068 Aachen (DE)


(56) References cited: : 
EP-A1- 1 345 275
EP-A2- 2 597 687
US-A1- 2010 155 693
 EP-A2- 2 372 790
US-A1- 2006 202 216
US-A1- 2012 018 734
   
  • R.J. MILEHAM ET AL.: "Patterning of AlN, InN, and GaN in KOH-based solutions", J. VAC. SCI. TECHNOL., vol. 14, no. 3, 30 June 1998 (1998-06-30), pages 836-839, DOI: http://dx.doi.org/10.1116/1.580399
   
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).