
Maybe you’ve heard the word that appears in the description of AMOLED phones, just as in Nokia N8 future. As to whether the new technology, what problems did not help to solve and why it is desirable to have? Here’s our guide quickly AMOLED five minutes for what and why you might want in the next phone.
There are two parts in the phone that takes the battery consumption, namely the transmitter and the display or screen phone manufacturers have managed to reduce the amount of electricity / transmitter uses the receiver and now they are focusing on the screen.
When the small screen, the amount of force used did not display too many problems, but now the screen is bigger, the amount of energy they use has become critical. Reading the web page and watch video on 3-inch big screen through the power of eating, especially if you use it outside the room where you may need to increase the brightness.

AMOLED displays consume less power than traditional Liquid Crystal Display (LCD) and Light Emitting Diode (LED) mobile displays, plus they’re also faster, and the colours are more natural.
AMOLED is short for Active-Matrix Organic Light Emitting Diode (AM-OLED) and, as it says in the description, it’s a type of LED. The display is built up of four layers: a cathode layer, an emissive polymer layer, a conducting polymer layer and an anode layer, and when a current is passed through the layers, the polymer layers give off light.
However unlike conventional LED screen technologies, AMOLED displays do not require a back light, which is the part of a normal mobile display that uses the most power. Hence, AMOLED displays use a fraction of the energy of existing technologies.
Additionally, AMOLED displays are created by depositing organic compounds on a flexible plastic base (substrate) rather than the conventional silicon substrate. The advantage of using plastic is that the amoled display is thin, lightweight and rugged, unlike silicon which many mobile users know to their cost, is brittle, and easily broken.
One of the future uses for AMOLED is in foldable or roll-away displays. Those futuristic roll-up displays that we keep seeing on sci-fi films like Minority Report are just around the corner. The display engineers are working on them right now, and at some point in the next 5-10 years they will be appearing on your mobile phone.
source : http://conversations.nokia.com/2010/08/25/a-quick-guide-to-amoled/
