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Difference Between AMOLED and TFT

AMOLED vs TFT

AMOLED (Active Matrix Organic Light Emitting Diode) and TFT (Thin Film Transistor) are the two types of displays that are used in mobile phones. TFT is actually a process of producing the displays and is used even by AMOLED but for most purposes, TFT is used to refer to LCD displays. The difference between them is the material as AMOLED uses organic materials, mainly carbon, while TFT does not.

There are differences between the two that are quite tangible. For starters, AMOLED generates its own light rather than relying on a backlight like a TFT-LCD does. This consequently means that AMOLED displays are much thinner than LCD displays; due to the absence of a backlight. It also results in much better colors than a TFT is capable of producing. As each pixel’s color and light intensity can be regulated independently and no light seeps from adjacent pixels. A side by side comparison of the two displays with the same picture should confirm this. Another effect of the lack of a backlight is the much lower power consumption of the device. This is very desirable when it comes to mobile phones where every single feature competes for the limited capacity of the battery. As the screen is on 90% of the time that the device is being used, it is very good that AMOLED displays consume less. Just how much of a difference is not very fixed though as it really depends on the color and intensity of the image. Having a black background with white text consumes much less energy than having black text on a white background.

The biggest disadvantage that AMOLED has is the shorter lifespan of the screen compared to TFT. Each pixel in the display degrades with each second that it is lit and even more so the brighter it is.  Despite improvements on the lifetime of AMOLED displays, AMOLED still only lasts a fraction of the lifetime of a TFT display. With that said, an AMOLED display is able to outlast the usable lifetime of the device before parts of it start to degrade.

The main hindrance to the massive adaptation of AMOLED is the low production numbers. TFT has been in production for much longer and the infrastructure is already there to meet the demands.

Summary:

  1. AMOLED uses organic materials while TFT does not
  2. AMOLED generates its own light while TFT relies on a backlight
  3. AMOLED is thinner than TFT
  4. AMOLED produces better colors than TFT
  5. AMOLED consumes less power than TFT
  6. AMOLED has a shorter lifespan than TFT
  7. AMOLED production is still lower than TFT production

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10 Comments

  1. Thanks for your article, now I know what phone should I buy, Amoled is lighter, thinner than TFT, but I choose TFT not because cheap compare to Amoled but because TFT has a long lifespan. But I know there are many people still want in Amoled for just they belong the trending gadgets.

  2. Highly informative article. Amoled are better because who wants to keep smartphone for longer period . Technology is changing so fast one can’t afford to keep a particular modal for more then 20 months..!

  3. xperia sp have coroning gorilla glass but it has been used of TFT screen.Is it better or there is lacking of power consumption ability ? ?

  4. Great article.. Very informative indeed.. I’d prefer tft screen.

  5. While the article did touch on many areas, I still don’t have any idea what time frame we are talking about, do you mean amoled will last the life of the phone? How are you measuring life? 1 year? 2 years? Until the next upgrade?
    Also you state amoled has shorter lifespan, does this mean the screen gets dimmer as time goes on? If so how long before it’s noticeable? 3 months? 12 months? 600 hours? 2000 hours? While I appreciate your article it’s nothing more than I already know from bits and pieces from other articles.
    Thanks for any updates.

  6. I’m using amoled display s3 neo for last 42 months and no problem with my display. Its still good as it new. No dimming fading flickering. Its the best display technology at present.

  7. I prefer AMOLED display.
    Although it has so called disadvantage
    But I prefer that .
    I’m using Samsung Galaxy j7(2016)
    It has an AMOLED display, whose brightness level is like when it was a baby

  8. I prefer AMOLED display.
    Although it has so called disadvantage
    But I prefer that .
    I’m using Samsung Galaxy j7(2016)
    It has an AMOLED display, whose brightness level is like when it was new

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