Figure 6

(a) Photo of the fabricated EWD sample with 10 × 10 pixel array. (b) Zoom-in image of one pixel when switched off and (c) on. (d∼l) Photos of the displayed numbers 1 to 9 respectively. Also see Supporting information S3.
(a) Photo of the fabricated EWD sample with 10 × 10 pixel array. (b) Zoom-in image of one pixel when switched off and (c) on. (d∼l) Photos of the displayed numbers 1 to 9 respectively. Also see Supporting information S3.