Fig. 6.

Deformable displays. a Photograph of a fabricated flexible OLED display containing 16 × 16 pixels. b Optical image of one pixel of the flexible OLED (left) and an enlarged view of the multiplexing CNT FET (right). c, Full-color flexible OLED display in which all pixels are turned on (left) and its bent form (right). (a–c Reproduced with permission from Ref. [50], © 2013, Nature Publishing Group). d Schematic exploded view showing the device structure of a wearable QLED and an SEM image showing the cross section of the display. e TEM image of the active layer indicated by the red box in the inset of d. f J–V–L characteristic curves of the wearable QLED. g Stable brightness of the wearable QLED during repetitive stretching cycles. Insets show the initial and stretched states of the wearable QLED. (d–g Reproduced with permission from Ref. [44], © 2015, Nature Publishing Group)