DYNAMIC LARGE SCREEN ELECTOCHEMICAL DISPLAY.
PHILCO NEWPORT BEACH CALIF APPLIED RESEARCH LABS
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The basic technique employs photoconductor phenomena in conjunction with electrochemical deposition action. A light image from a cathode ray tube or other source is directed on a photoconductor layer at the rear of a reversible electrochemical layer. The changes in conductivity in the photoconductor layer provide the means for exceeding the deposition potential of the affected parts of the electrochemical layer, thus producing the original light image in the form of electrochemical deposits. The result is a display viewed in reflected ambient light. Author