Q: 74 (IAS/2017)

Organic Light Emitting Diodes (OLEDs) are used to create digital display in many devices. What are the advantages of OLED displays over Liquid Crystal displays?
1.OLED displays can be fabricated on flexible plastic substrates.
2.Roll-up displays embedded in clothing can be made using OLEDs.
3.Transparent displays are possible using OLEDs.
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