Batteries: thermoelectric and photoelectric – Photoelectric – Panel or array
Patent
1996-06-28
1998-07-21
Nguyen, Nam
Batteries: thermoelectric and photoelectric
Photoelectric
Panel or array
136246, 136256, 136259, H01L 31048
Patent
active
057829934
ABSTRACT:
A photovoltaic device has micro-embossed optical enhancing structures formed on an inner surface of a transparent polymer film material which is laminated to the light incident surface of a photovoltaic cell. Preferably, the micro-embossed structures are in the form of an array of holographic pyramid structures which are interconnected by a series of light channels that are also embossed on the inner surface of transparent film material. In another embodiment, the photovoltaic device is comprised of a layer of flexible transparent polymer material, such as polyester, and a layer of flexible base substrate, preferably of a polymer film, between which are disposed at least one layer of amorphous silicon and at least one layer of metalization forming a photovoltaic cell. By utilizing a pair of flexible sheets of polymer material as the outer layers of the photovoltaic device, the device is deformable in at least one orientation other than a plane defining the sheets of polymer film material.
REFERENCES:
patent: 4816324 (1989-03-01), Berman
patent: 4888061 (1989-12-01), Wenz
patent: 5273608 (1993-12-01), Nath
patent: 5356656 (1994-10-01), Kuo et al.
patent: 5605769 (1997-02-01), Toms
Nguyen Nam
Pedersen Brad
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