While less efficient at converting sunlight into electricity than conventional silicon-based photovoltaic panels, the great promise was that CIGS cells could be produced cheaper and deposited on glass, flexible metal or other materials.

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Material for each color is deposited on the substrate through a fine metal mask, with one mask used for each color so that colors line up in a precise, very close pattern that, to the human eye, appears to create one pixel, or point of light.

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