(19)
(11)EP 2 335 293 A1

(12)

(43)Date of publication:
22.06.2011 Bulletin 2011/25

(21)Application number: 09791611.8

(22)Date of filing:  18.08.2009
(51)International Patent Classification (IPC): 
H01L 33/04(2010.01)
H01L 33/50(2010.01)
H01L 33/10(2010.01)
H01L 33/06(2010.01)
(86)International application number:
PCT/US2009/054149
(87)International publication number:
WO 2010/027650 (11.03.2010 Gazette  2010/10)
(84)Designated Contracting States:
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
Designated Extension States:
AL BA RS

(30)Priority: 04.09.2008 US 94192 P

(71)Applicant: 3M Innovative Properties Company
Saint Paul, MN 55133-3427 (US)

(72)Inventors:
  • LEATHERDALE, Catherine, A.
    Saint Paul, MN 55133-3427 (US)
  • BALLEN, Todd, A.
    Saint Paul, MN 55133-3427 (US)
  • MILLER, Thomas, J.
    Saint Paul, MN 55133-3427 (US)

(74)Representative: Vossius & Partner 
Siebertstrasse 4
81675 München
81675 München (DE)

  


(54)LIGHT SOURCE WITH IMPROVED MONOCHROMATICITY