Wednesday, August 15, 2012

The difference between the type of screen smartphone

TFT-LCD, AMOLED, Retina is the phrase often users encounter when it comes to the screen on the mobile devices today.

Phone screen has changed quite a lot, compared to them is only capable of displaying caller phone number, at the launch. When SMS was born, the screen of the phone lines began to be larger designs, enabling users to read and compose messages.

After the screen color was developed not long, it was thought to take pictures or video on the phone, so the screen is also sharper. Until the era of the smartphone, touch, people request good screen phone similar to a computer screen with the ability to clearly display text, video blurred and bright enough to see outdoors.

A series of consecutive screens were born, is integrated on the high-end smartphone, making users more time can not distinguish the difference between the screens above. The same "roll" a popular display technology today:

TFT LCD — thin film transistor displays are easily the most common in smartphones at this time, though manufacturers are paving the way for newer, better performing screen technologies. TFT LCDs are often used in laptop displays as well.
Advantage – Cheap to make, most commonly used screen.
Disadvantage –  Aging Technology, Not as bright or clear as other display technologies.
Super LCD (SLCD) — another contender for screen dominance is Super LCD. A variant of traditional LCD technologies, SLCD offers better contrast and warmer colours than older LCD displays, but is said to drain more power than AMOLED displays.
Advantage – Cheaper to produce than AMOLED displays, Works better in direct sunlight over AMOLED.
Disadvantage –  Drains more power than AMOLED displays, not as bright as AMOLED either.
AMOLED — active matrix organic light emitting diode is one of the prominent up and coming display technologies looking to take over from TFT displays.

AMOLED screens are visibly more colourful than TFT displays and have a lower power consumption with thanks to the intriguing fact that the colour black is produced by the OLED being switched off. AMOLED screens have been used by Samsung, HTC, Nokia and Dell to name a few, and continue to be in high demand. They give off clear, bright and sharp images as seen in the images below. The potential problem with AMOLED screens is that they are quite poor in direct sunlight, and the screen will be close to unusable.
Advantage – Bright and clear quality, Low power consumption for screens.
Disadvantage –  Almost un-viewable in direct sunlight, Display can appear pixelated.
Super AMOLED — Samsung has positioned itself at the forefront of mobile display technologies producing its “Super” variant on the AMOLED display. By combining the touch panel and the top layer of glass, Samsung has created a screen that is visibly more vibrant than previous AMOLED screens, and more usable in direct sunlight.
Advantage – Everything AMOLED is but better, great for watching videos on.
Disadvantage –  Still poor in direct sunlight, but better than regular AMOLED.
 Super AMOLED Plus – Another Samsung fortified screen technology, which is available on the latest Samsung Phone Models. It is an advanced version of the Super AMOLED technology with better colour reproduction and scaling. Not as bright as Super AMOLED, but better. More subpixels are crammed into the screen tech, allowing it to be more pleasant for your eyes.
Advantage – Amazing color reproduction, better viewing angles.
Disadvantage –  Not good enough in the sun yet, colours can seem washed out on larger screens.

This is a term created by Samsung, is simply a high-resolution (720 x 1280 pixels or higher) of the Super AMOLED screen. Currently, Samsung has abandoned Super AMOLED Plus screens and return to Super AMOLED technology and improved HD. This type of screen used on the Galaxy Note and Galaxy S III of the company.

Retina is a marketing term influenced by Apple, to just kind of screen pixel density is so high that the human eye can not distinguish each individual pixel in the normal viewing angle.

Density Retina pixels on the screen is split into "standard" vary by equipment and common vision of the user. Such as the iPhone 4S is smaller, the user's vision will be closer to its pixel density up to 326 ppi while the new iPad, this density is 264 ppi.

Mobile BRAVIA Engine
Mobile BRAVIA Engine
Xperia S screen using BRAVIA Engine Mobile.

BRAVIA is a well known technology, used long ago on the TV series of the company. Mobile BRAVIA Engine technology is specifically designed to improve picture quality and video, to increase the contrast and natural color as possible.

This is a variation of the LCD, LG company used on its Optimus Black. It has the capability for ultra-high brightness but extremely energy efficient.

IPS — in-plane switching smartphone screens are characterized by vibrant colours and excellent off-axis viewing angles. IPS screens are typically more expensive, but the result is a screen you can see clearly from any angle. Apple recently employed IPS technology in the LCD display of the iPad and iPhone 4 (which they are also referred to as Retina Screens in the iPhone 4 only). IPS has a resolution 960 x 640. This basically means that an IPS Display uses a SLCD screen, but packs more pixels which improve quality
Advantage – Able to create a more viewing angles than other displays, able to zoom in with more clarity
Disadvantage –  Expensive to create, very few companies use this technology so far
Qhd – Quarter HD Screen is exactly how it sounds, as it has quarter of Full HD. Full HD resolution is considered 1920 x 1080, so quarter HD is 960 x 540. It is not quite as good as IPS technology, but it’s has a great looking screen resolution on any device! Qhd is not a screen type, but the amount of pixels in that screen, exactly like Retina Screen’s
Quarter HD Screen

From left to right – iPhone 4 (IPS Retina Display), HTC Desire (Super LCD), and the Samsung Galaxy S (Super AMOLED). While it is quite difficult to tell from just photo’s (we recommend you actually have a look at them in person), we can probably assume that the Super AMOLED is brighter than either the Super LCD or IPS Retina Display (all phones are on maximum brightness). However, if you were to take a closer inspection at these phones, you would realise that The Super LCD screen and IPS Retina Screen are less ‘pixelated’ (meaning the pixels are packed tighter, giving it a clearer image) than the Super AMOLED screen.
Verdict – Truth is, there are quite a few people that don’t care about which screen types they are getting, but we want to change that. You’ve seen the advantages and disadvantages of each screen type, so your choice of screen type will depend heavily on how you will be using your phone, so you will have to decide yourself what screen type to get.
We personally quite like Super AMOLED displays. They have bright and vivid colors on display, which makes it great for general use and an absolute joy when it comes to watching videos. Despite being difficult to see under direct sunlight, it gives the brightest colors of any of the screens giving it a slight edge over our other favourite - the IPS Retina Display.
Phones that use Super AMOLED Displays – Samsung Omnia 7/Focus,  Google Nexus S, and the Samsung Galaxy S2.
You now have a basic knowledge of the different screen types available today and hopefully, an appreciation of the new technologies available to you. So next time your out picking up a new phone we hope you will take the screen type into account, because we guarantee you – they do make a difference in the long run.


  1. My lg optimus max 3d display is great i think that tft nova ips display battery is the best result I love it

  2. Mình muốn thay màn hình ipad 4 giá bao nhiêu cửa hàng giúp cho biết chi phí cho người dung có phiền không

  3. Its very interesting post, good job

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  6. Great info about smart phones. Nowadays everyone is using smart phones. We have to aware of the different branded smart phone and we have to know how to use them. Nice post by you. Thanks for sharing and keep up.


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