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(Color online) Schematic illustrations of the display structure. The logo-patterned conductive wirings are shaped from silver microparticle-PDMS composite by using soft lithography. The conductive wire pattern is embedded into the thermochromic sheet. Insets at the right show the top and bottom views of the fabricated device.
(Color online) Display degree plotted as a function of applied voltage. The five curves on the left correspond to a step-function voltage of various height, while the one on the right corresponds to what happens after the voltage is turned off. The insets show the logo images at various display degrees. The image in inset (c) is blurred due to overheating.
(Color online) Power consumption of the display under different ratios of the heating pulse train. The duty cycle is fixed at . The table gives the best voltage values (for achieving an accurate image) associated with the various values of ratio. Solid curve is calculated from the expression given in the text. Solid squares are measured data.
(Color online) Display’s function is shown to be not affected by mechanical distortion. Here, the display is wrapped on a column. (a) Shows the display film when no input signal is applied, and (b) shows the logo image to be correctly displayed when a voltage heating pulse train is applied.
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