LCD vs OLED vs AMOLED: How do these differ?

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If you closely look at the specifications of smartphones or other gadgets that have a display, you will see different names like LCD, OLED or AMOLED. If you are not sure what are these things and how these differ, you are at the right place.

If you just see the price of smartphones and compare their display type, you can already guess what is better. But you should also know why a kind of display is better than another kind of display. In this article, I will try to explain things in simple and easy to understand manner.

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LCD or Liquid Crystal Display is the very basic type of display that replaced the old CRT.  It is made up of some liquid crystals that get illuminated by a fluorescent backlight.


There basically two types of LCD display TFT LCD and IPS LCD which we see in smartphones. TFT LCD consumes lots of power. IPS LCD consumes less power than TFT and also provides better viewing angles.

LCD is cheaper, more versatile and consumes less power. But it lacks per-pixel backlighting. So color reproduction is not as good as it should be.


The recent iPhone uses OLED panel. After reading this term, I am sure you will think of knowing this term. OLED or Organic Light-Emitting Diode is another kind of display technology that uses organic compounds and pixel-specific lighting.


OLED offers great color reproduction and it is also not as expensive as AMOLED. But it consumes high power than AMOLED.

OLEDs are also of two types: PMOLED and AMOLED. I am sure you may have heard about AMOLED. I will talk about this later.

POLED is Passive Matrix Organic Light Emitting Diode. It uses a simple control scheme where each row of the screen will be monitored in a sequential manner. It cannot sustain for larger periods and PMOLED panels can also only support display sizes up to 3-inch. This is the reason it couldn’t become popular.



AMOLED or Active Matrix Organic Light Emitting is also a kind of display technology. As the name suggests, It is a step forward of OLED display technology.

AMOLED is expensive but it is best. It is also thinner and more flexible. It offers great color reproduction, consumes less power than OLED and offers faster refresh rates.

Final Words

Now you know about LCD, OLED, and AMOLED. It is clear that LCD is good to use in low-end devices where cost should be low. This is the reason, it is used in budget phones, low-end TVs, and PC monitors. OLED is better where viewing experience is important but cost should also be under control. It is good for HDTVs. AMOLED is good for smartphones, laptops, and tablets where one need energy efficiency and great display.

So, now you know what is good and why. I hope this article simply explains what you wanted to know.


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