SOLAR CELL DEVICE

To provide a solar cell device capable of suppressing variation in power generation efficiency.SOLUTION: A solar cell device includes: a transparent substrate including a first main surface, a second main surface facing the first main surface, a first side surface, a second side surface intersecting...

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Bibliographic Details
Main Authors KOBASHI JUNJI, TOMIOKA YASUSHI, OKA SHINICHIRO
Format Patent
LanguageEnglish
Japanese
Published 24.01.2024
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-REDRADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, E.G. USINGPHOTOVOLTAIC [PV] MODULES
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:To provide a solar cell device capable of suppressing variation in power generation efficiency.SOLUTION: A solar cell device includes: a transparent substrate including a first main surface, a second main surface facing the first main surface, a first side surface, a second side surface intersecting with the first side surface, a third side surface facing the second side surface, and a fourth side surface facing the first side surface; a first liquid crystal layer stacked on the second main surface side of the transparent substrate and having a first cholesteric liquid crystal; a second liquid crystal layer stacked on the first liquid crystal layer and having a second cholesteric liquid crystal; a first solar cell facing the first side surface; a second solar cell facing the second side surface; and a third solar cell facing the third side surface. The first liquid crystal layer has a first reflection surface inclined with respect to the second main surface. The second liquid crystal layer has a second reflection surface inclined with respect to the second main surface. In a plan view, the angle between a normal line of the first reflection surface and a normal line of the second reflection surface is more than 0° and less than 180°.SELECTED DRAWING: Figure 8 【課題】発電効率の変動を抑制することが可能な太陽電池装置を提供する。【解決手段】実施形態によれば、太陽電池装置は、第１主面と、前記第１主面に対向する第２主面と、第１側面と、前記第１側面に交差する第２側面と、前記第２側面に対向する第３側面と、前記第１側面に対向する第４側面と、を有する透明基板と、前記透明基板の前記第２主面側に積層され、第１コレステリック液晶を有する第１液晶層と、前記第１液晶層に積層され、第２コレステリック液晶を有する第２液晶層と、前記第１側面に対向する第１太陽電池と、前記第２側面に対向する第２太陽電池と、前記第３側面に対向する第３太陽電池と、を備え、前記第１液晶層は、前記第２主面に対して傾斜した第１反射面を有し、前記第２液晶層は、前記第２主面に対して傾斜した第２反射面を有し、平面視において、前記第１反射面の法線と前記第２反射面の法線とのなす角度は、０°より大きく、１８０°より小さい。【選択図】図８
Bibliography:Application Number: JP20220111936