NtDhtZjiaDkurpL7RyqLO8HIw-8 The Difference Between LCD and AMOLED Screen on Mobile Phone ~ CELLULAR PHONE

Tuesday, June 26, 2012

The Difference Between LCD and AMOLED Screen on Mobile Phone

The Difference Between LCD and AMOLED Screen on Mobile Phone 

With the increasingly widespread use of a large touch screen as the primary input device on a mobile device, the display quality becomes increasingly important because it determines the user's convenience in using the gadget in question.

Various terms such as AMOLED, IPS, and Retina display is used as an appendage of certain devices display technology to attract buyers.

However, in general there are two main types of screens used on most mobile devices, ie LCD and AMOLED. The following differences advantages and disadvantages of both will cover in this article.  


LCD or Liquid Crystal Display screens have been used for a variety of devices for decades, ranging from computer monitors, screen smartphone, to watch.

 As the name implies, the LCD screen using a liquid crystal medium is inserted between a pane of glass or other transparent material.

When viewed from very close range, pixel units appear red, green, and blue that make up the image on the LCD screen.

Some of the LCD screen using In-Plane Switching technology or IPS to improve the quality of color reproduction and optimal viewing angle wider. Screen "Retina Display" iPhone's 4/4s for example, is the LCD display with IPS technology which has high resolution.

Color LCD display capable of reproducing very realistic, but requires additional beacon (backlight) because it does not generate its own light.

Some of the popular devices that use the LCD screen: 4/4s iPhone, iPad, and HTC One X  


AMOLED screen technology or Active Matrix Organic Light Emitting Diode actually been around a long time, its history stretches up to the decade of the '50s.

Later, this type of crowded display devices applied in the gadget because it has several advantages over LCD as does not require a backlight lamp and has a higher contrast levels.

AMOLED is made of thin layers of organic polymers that light up when powered. Because of simple construction, AMOLED screen can be made very thin.

Most of the AMOLED screen has a pixel structure called "pentile display", in which two sub-pixels of red and blue are larger in size and placed between two sub-pixel normal-sized green. With kemikian, its pixel array to be 'Red-Green-Blue-Green (RGBG), instead of Red-Green-Blue as the LCD.

The advantage of "pentile display" is an AMOLED display can be made as bright as a conventional screen with only a third of sub-pixels are usually required.

The drawback, due to the size of the sub-pixels of red and blue are larger, so the display looks "grainy" or looks like having a low resolution, even though they are not.

AMOLED screens are usually difficult to see under direct light emission, but the Super AMOLED Plus technology from Samsung is not using "pentile display" has given rise in this case.

Some of the popular devices that use AMOLED screens: Samsung Galaxy S series, Nokia Lumia 900, and HTC One S.

Decision in your hands 

Both the LCD and AMOLED has advantages and disadvantages of each. Currently, two types of screens are capable of producing very high quality display. Display quality also varies among products and brands, although using the same type of screen.

The only way to determine which type of display that match the tastes are with holding device and see the display screen.

You will easily find out which one gives the display viewing angle, contrast, and color reproduction are best suited to the needs after using the device in question for several minutes.

Source: Digital Trends


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