Fig. 6 | npj Flexible Electronics

Fig. 6

From: Flexible quantum dot light-emitting diodes for next-generation displays

Fig. 6

Flexible transparent QLEDs. a, b Device structure (a) and the corresponding transparency (b) of semi-transparent QLEDs. Inset of (b) shows the EL of semitransparent QLED. ce Exploded view (c), transparency (d), and L–V properties (e) of graphene based transparent QLEDs. Inset of (e) shows J–V properties of the same device. f, g, Device structure (f), transparency (g; top), and J–V–L characteristics (g; bottom) of Ag NWs-based transparent QLEDs. h Schematic representation of TCO-based transparent QLEDs with TCO buffer layers. i Schematic representation of ITO-based transparent QLEDs with alumina-modified ZnO ETL layer. j, k Ultrathin flexible transparent QLEDs with foldable (j) and stretchable (k) form factors. Figure reproduced with permission from: a, b ref. 118 © 2014 RSC; ce ref. 128 © 2014 ACS; f, g ref. 135 © 2015 NPG; h ref. 115 © 2016 Wiley; ik ref. 50 © 2017 Wiley

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