Title:
SOLAR CELL COVER MEMBER AND SOLAR CELL
Document Type and Number:
WIPO Patent Application WO/2013/005746
Kind Code:
A1
Abstract:
Provided are: a solar cell cover member that can, compared to conventional efficiencies, have a higher efficiency of acquisition of solar light to a solar cell in a wide range of angles of incidence of solar light; and a solar cell that can, compared to conventional efficiencies, have a higher electricity generation efficiency in a wide range of angles of incidence of solar light. The solar cell cover member (3) has a glass sheet (50) (transparent surface member) and a diffraction grating sheet (1). The diffraction grating sheet (1) has: a transparent resin layer (10) having a first primary surface and a second primary surface that are parallel to each other; and a diffraction grating (20) comprising a plurality of lattice lines (22) disposed parallel to each other and at a predetermined pitch. The lattice lines (22) comprise a thin film of a material having a different refractive index from that of the transparent resin layer (10). The lattice lines (22) are embedded in the transparent resin layer (10) in a manner so as to have a lengthwise direction that extends parallel to the first primary surface and the second primary surface of the transparent resin layer (10).
Inventors:
IKEDA YASUHIRO (JP)
SAKAMOTO HIROSHI (JP)
KAIDA YURIKO (JP)
SAKAMOTO HIROSHI (JP)
KAIDA YURIKO (JP)
Application Number:
PCT/JP2012/067004
Publication Date:
January 10, 2013
Filing Date:
July 03, 2012
Export Citation:
Assignee:
ASAHI GLASS CO LTD (JP)
IKEDA YASUHIRO (JP)
SAKAMOTO HIROSHI (JP)
KAIDA YURIKO (JP)
IKEDA YASUHIRO (JP)
SAKAMOTO HIROSHI (JP)
KAIDA YURIKO (JP)
International Classes:
H01L31/052; G02B5/02; G02B5/18; H01L31/042
Domestic Patent References:
| WO2004111693A1 | 2004-12-23 |
Foreign References:
| JP2005115176A | 2005-04-28 | |||
| JP2010087351A | 2010-04-15 |
Attorney, Agent or Firm:
SENMYO, Kenji et al. (JP)
Spring name Kenji (JP)
Spring name Kenji (JP)
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Claims: