Photovoltaic device
AssigneesSemiconductor Energy Laboratory Co., Ltd., TDK Corporation
InventorsYuichi Kubota, Kazuo Nishi
Life of this patent
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Abstract
A photovoltaic device is provided which can selectively and stably control the color of an intended exterior surface, particularly a light-incident surface side, of the photovoltaic device, and which exhibits high performance. A diffuser layer is provided on a light incident plane side of the photovoltaic device for scattering and dispersing incident light. By providing a coloring layer thereon to color incident light or using a structure where the diffuser layer itself is colored, reduction of photoelectromotive force performance is minimized while adding color to the photovoltaic device.
Claims21
A photovoltaic device comprising a diffuser layer on a light incident plane side of the photovoltaic device for scattering and dispersing incident light, said diffuser layer comprising a porous resin layer.
A photovoltaic device comprising:
- a diffuser layer comprising a porous resin layer on a light incident plane side of the photovoltaic device for scattering and dispersing incident light;
- and
- a coloring layer on the diffuser layer for coloring incident light.
A photovoltaic device comprising:
- a translucent substrate,
- a translucent rear surface electrode, coupled to said translucent substrate;
- a transparent conductive film coupled to said photovoltaic layer;
- a photovoltaic layer coupled to said transclucent rear surface electrode;
- a diffuser layer on a light incident plane side of the photovoltaic device for scattering and dispersing incident lights said defuser layer being coupled to said transparent conductive film;
- and
- a coloring layer on the diffuser layer operating to color incident light.
A photovoltaic device having in sequence at least a substrate, a rear surface electrode, a photovoltaic layer, a translucent conductive film, and an auxiliary electrode, wherein:
- a surface on a light incident side of the auxiliary electrode is black or a color similar to black;
- and
- the photovoltaic device further comprises a diffuser layer on the translucent conductive film and the auxiliary electrode for scattering and dispersing incident light, and a coloring layer on the diffuser layer for coloring incident light.
Dependencies are inferred from the claim text.