While most people are ignorant about the type of display
used in their phones, there are some geeks who would want to know each and
every detail about the display used in their phone. This piece is for that
small percentage of people.
AMOLED (Active Matrix Organic Light Emitting Diode): This technology
came in 2012 and gained its popularity quickly. Most of the high end phones use
this technology as it consumes less power and is thin and light as compared to
other displays. Quality wise, the color reproduction is very good and they
perform well even under sunlight. It has the best viewing angle out of all the
displays since the pixel itself glows and doesn’t need any backlight to make
the display brighter.
An advanced version of AMOLED called the super AMOLED was
developed by Samsung. The main intension of this was to have the touch sensors
in the screen itself instead of having an additional layer on the display. This
makes the screen thinner and hence reduces the overall thickness of the phone.
Also the response of the screen is greatly increased.
TFT (Thin Film Transistor): This is the most common LCD technology used in
the screens. Compared to older generation screens, it offers high resolution
and better image quality. On the other side they are heavy on power and lack wider
viewing angles. They are found in low end smart phones since they are cheaper to
manufacture.
IPS (In-Place Switching): This is an improved version of LCD
which eliminates the disadvantages of TFT screens. They are less power hungry
and hence are battery friendly. They also have improved viewing angle and are
of much higher density. These displays are used in higher end phones and you will
find that most of the iphones use this display technology. Apple has also named
it as retina display because the individual pixels cannot be distinguished by naked
eyes.
Below is a comparison video of all these technologies.
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