Light-emitting polymer (LEP) displays are attractive to electronic gadget makers because the plastics glow brightly and use little power. But fabricating a polymer layer a mere micro-meter thick can be ex-pensive. A Santa Barbara, Calif., startup, Uniax, has patented an easier and cheaper way to manufacture LEP displays. Uniax first dissolves the LEPs in a common organic solvent, then deposits the solution directly onto the substrate.

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