Thin film solar cell equipment is a type of solar energy equipment that uses thin films to convert sunlight into electricity. Thin film solar cells are made up of many small, light-sensitive cells that are arranged in a layer on top of a substrate. When light hits the thin film, it causes the cells to become excited and release electrons. These electrons can then travel through the substrate and into an external circuit, where they can be used to power devices like lights or electronic gadgets.