Importance

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Abstract

Thin film photovoltaic devices including a transparent substrate defining a front surface area; a photovoltaic thin film stack on the transparent substrate; and, a back panel defining a rear surface area are provided. The photovoltaic thin film stack is positioned between the transparent substrate and the back panel. The front surface area can be less than the rear surface area (e.g., about 90% to about 99.9% of the rear surface area). As such, the back panel can extend farther than the transparent substrate along at least one edge of the device. An encapsulant layer defining an encapsulant surface area can be positioned between the photovoltaic thin film stack and the back panel. The encapsulant surface area can be greater than or equal to the front surface area or can be less than or equal to the rear surface area.

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First Claim