Technology : Electronics And Green Technology

Q 22 / 38

UPSC CSE Prelims 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.
Select the correct answer using the code given below :

EXPLANATION

Correct Option (C)

Statements 1, 2, and 3 are correct.

Organic Light Emitting Diodes (OLEDs) utilize organic compounds that emit light when an electric current passes through them. This technology offers several advantages over Liquid Crystal Displays (LCDs).

  • OLEDs can be manufactured on flexible plastic or metal foil substrates. This inherent flexibility allows for the creation of non-rigid displays.
  • The ability to fabricate OLEDs on flexible substrates directly facilitates the development of roll-up or rollable displays. Such displays can be integrated into textiles or other flexible materials, enabling applications like displays embedded in clothing.
  • OLED technology supports the creation of transparent displays. This is achieved by making the light-emitting pixels semi-transparent, allowing for integration into various surfaces while maintaining visibility through the display.