AMOLED Full Form || Active Matrix Organic Light Emitting Diode

AMOLED Full Form - Active Matrix Organic Light Emitting Diode

Last Updated by Devender

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What is the full form of AMOLED?

The full form of AMOLED is Active-Matrix Organic Light-Emitting Diode.

It is a hybrid display technology used in most modern devices such as mobile phones, laptops, televisions, etc. It is made from organic material that emits light when electricity is connected to them. AMOLED is based on pixels made of tiny red, blue and green organic material-based light-emitting diodes (OLEDs).

Active matrix denotes a thin film transistor (TFT) system in which each individual pixel luminesces on activation and the scree is drawn all at once each time it refreshes. A more responsive image at a wider range of viewing angles than passive matrix displays. Samsung popularized the use of this technology and it has since become a standard feature of some of its flagship smartphones and tablets, as well as digital cameras and smart televisions.


AMOLED Working

The continuous current flow is controlled by at least two TFTs at each pixel, with one TFT to start and stop the charging of a storage capacitor and the other to provide a voltage source at the level needed to create a constant current to the pixels. The colours that the pixel has, are light so the screens don't have to be backlit.

AMOLEDs are lighter as well as thinner and much more durable than any other technology out there. It also reduces power consumption. It doesn't require the backlight to provide brightness.


AMOLED Variants

Various variants of AMOLED are:

  • Super AMOLED
  • Super AMOLED Advanced
  • Super AMOLED Plus
  • HD Super AMOLED
  • HD Super AMOLED Plus
  • Full HD Super AMOLED
  • Quad HD Super AMOLED

  • AMOLED Advantages

    The advantages AMOLED posses over other technologies are:

  • Higher Refresh rate
  • Puts less strain on the eyes
  • Low Power consumption
  • Produces brighter colours
  • AMOLED is thinner and lighter
  • Doesn't generate much heat
  • Made of organic material which is energy efficient and eco-friendly

  • AMOLED Disadvantages

    Some of the disadvantages associated with AMOLED are:

  • Cost is very high
  • Have shorter life span than LCD/LED screens
  • Gets easily damaged by water
  • An AMOLED display is difficult to view in direct sunlight due to reduced maximum brightness and lack of backlighting.



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