Color characterization of large area polymer image sensors |
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Authors: | J Wang G Yu G Srdanov A J Heeger |
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Affiliation: | a UNIAX Corporation, 6780 Cortona Drive, Santa Barbara, CA 93117-3022, USA;b Institute for Polymers and Organic Solids, University of California at Santa Barbara, Santa Barbara, CA 93106-5090, USA |
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Abstract: | Large area image sensors made with semiconducting polymers are demonstrated to have true-color resolution (24-bits). The red, green and blue color primaries are achieved by coupling a set of color filters with the polymer sensor; the color-sensing pixels are fabricated from a single polymer with photoresponse that covers the visible spectral range from 400 to 700 nm. A process for recovering the image from the pixelated photocurrent data is developed; the image recovery process is general and applicable to image arrays with power-law light intensity dependence and with finite pixel dark current. Large size, true-color images were processed by scanning with a linear array of polymer photodiodes. |
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