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Title:
SPHERICAL PHOSPHOR, SEALING MATERIAL FOR WAVELENGTH-CONVERSION-TYPE SOLAR BATTERIES, SOLAR BATTERY MODULE, AND PROCESS FOR MANUFACTURE OF THOSE
Document Type and Number:
WIPO Patent Application WO/2012/077485
Kind Code:
A1
Abstract:
A spherical phosphor comprises a fluorescent substance having a maximum excitation wavelength of 400 nm or longer and a transparent material in which the fluorescent substance is contained, wherein the excitation spectrum intensity in a wavelength region of 340 to 380 nm inclusive is 50% or more of an excitation spectrum intensity at a maximum excitation wavelength of the spherical phosphor in the excitation spectrum of the spherical phosphor. A sealing material for wavelength-conversion-type solar batteries involves a light-transmissive resin composition layer comprising a spherical phosphor and a sealing resin.

Inventors:
OKANIWA KAORU (JP)
YAMASHITA TAKESHI (JP)
SAWAKI TAKU (JP)
Application Number:
PCT/JP2011/076708
Publication Date:
June 14, 2012
Filing Date:
November 18, 2011
Export Citation:
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Assignee:
HITACHI CHEMICAL CO LTD (JP)
OKANIWA KAORU (JP)
YAMASHITA TAKESHI (JP)
SAWAKI TAKU (JP)
International Classes:
C09K11/06; C08K5/00; C08L33/06; H01L31/042
Domestic Patent References:
WO2010001703A12010-01-07
WO2011040391A12011-04-07
WO2011126118A12011-10-13
Foreign References:
JP2005082647A2005-03-31
JP2010258439A2010-11-11
JP2010155915A2010-07-15
JP2009013186A2009-01-22
JP2007308548A2007-11-29
JP2009046577A2009-03-05
Other References:
YOUYI SUN ET AL.: "High luminescence quantum yields and long luminescence lifetime from Eu(III) complex containing two crystal water based on a new p-diketonate ligand", SPECTROCHIMICA ACTA, PART A, vol. 64A, no. 4, 2006, pages 977 - 980, XP028036469
See also references of EP 2650342A4
Attorney, Agent or Firm:
HIZATATE, Shoji et al. (JP)
膝舘 Yoshiharu (JP)
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