(19)
(11) EP 1 276 158 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:
13.04.2011 Bulletin 2011/15

(45) Mention of the grant of the patent:
02.03.2011 Bulletin 2011/09

(21) Application number: 02077498.0

(22) Date of filing: 24.06.2002
(51) International Patent Classification (IPC): 
H01L 33/60(2010.01)

(54)

Light emitting diode with reduced far-field radiation pattern variation

Leuchtdiode mit reduzierter Variation der Fernfeldstrahlung

Diode électroluminescente avec réduction de variation du rayonnement en champ lointain


(84) Designated Contracting States:
DE

(30) Priority: 11.07.2001 US 904015

(43) Date of publication of application:
15.01.2003 Bulletin 2003/03

(73) Proprietor: Philips Lumileds Lighting Company LLC
San Jose CA 95131 (US)

(72) Inventors:
  • Shen, Yu-Chen
    Prof. Holstlaan 6, 5656 AA Eindhoven (NL)
  • Steigerwald, Daniel A.
    Prof. Holstlaan 6, 5656 AA Eindhoven (NL)

(74) Representative: Peters, Rudolf Johannes et al
Philips Intellectual Property & Standards P.O. Box 220
5600 AE Eindhoven
5600 AE Eindhoven (NL)


(56) References cited: : 
WO-A-00/65667
DE-A1- 19 747 433
JP-A- 61 110 476
WO-A-01/41225
GB-A- 2 311 413
US-A- 5 998 232
   
  • WINDISCH R ET AL: "Light-emitting diodes with 31% external quantum efficiency by outcoupling of lateral waveguide modes" APPLIED PHYSICS LETTERS, AIP, AMERICAN INSTITUTE OF PHYSICS, MELVILLE, NY, vol. 74, no. 16, 19 April 1999 (1999-04-19), pages 2256-2258, XP012022423 ISSN: 0003-6951
  • MENSZ P M ET AL: "INXGA1-XN/ALYGA1-YN VIOLET LIGHT EMITTING DIODES WITH REFLECTIVE P-CONTACTS FOR HIGH SINGLE SIDED LIGHT EXTRACTION" ELECTRONICS LETTERS, IEE STEVENAGE, GB, vol. 33, no. 24, 20 November 1997 (1997-11-20), pages 2066-2068, XP000734311 ISSN: 0013-5194
   
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).