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. 2019 Jun 20;6:21. doi: 10.1186/s40580-019-0190-5

Fig. 14.

Fig. 14

Ionic conductors for stretchable reflective displays. a Transparent ionic conductors are exploited for DEAs without electrochemical reaction. b Performance of hydrogel ionic conductor exhibiting relatively insensitive resistance change upon stretching with a high transparency comparing to other electrodes. c A design for stretchable reflective display with ionic conductors. d A similar structure of electroluminescent display using ionic conductors. e Luminescent behavior of the display under uniaxial stretching. f Patterned luminescent displays showing various colors under a mechanical deformation 

(Figure reproduced from a, b [96], Copyright 2013, American Association for the Advancement of Science; d, e [96], Copyright 2016, American Association for the Advancement of Science; f [97], Copyright 2016, WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)