(19)
(11) EP 1 593 162 A1

(12)

(43) Date of publication:
09.11.2005 Bulletin 2005/45

(21) Application number: 04708877.8

(22) Date of filing: 06.02.2004
(51) International Patent Classification (IPC)7: H01L 29/45
(86) International application number:
PCT/JP2004/001296
(87) International publication number:
WO 2004/070846 (19.08.2004 Gazette 2004/34)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 10.02.2003 JP 2003032344
20.02.2003 US 448105 P

(71) Applicant: Showa Denko K.K.
Tokyo 105-8518 (JP)

(72) Inventor:
  • UDAGAWA, Takashi
    Chichicu-shi, Saitama 3691871 (JP)

(74) Representative: Strehl Schübel-Hopf & Partner 
Maximilianstrasse 54
80538 München
80538 München (DE)

   


(54) SEMICONDUCTOR DEVICE, PRODUCTION METHOD THEREOF AND LIGHT-EMITTING DEVICE