AMOLED Display.

AMOLED stands for Active Matrix Organic Light Emitting Diode.

AMOLED is a latest display technology. It is used for mobile devices and televisions. AMOLED screens are ultra thin, ultra bright and doesn't require backlight to work.

Advantages of AMOLED are described below.

• High contrast ratio.
  

AMOLED

Conventional

You can see from the image that AMOLED has high contrast ratio than conventional.

• Fast response.
  
  
  
  
  AMOLED(50uS)
  
  
  
  
  
  Conventional(3000~30000uS)
  
  Fast response time means full motion graphics can be displayed.
  
  
• Wide Viewing Angle.

Conventional

AMOLED

• High Luminance.
  
  
• True Colors.
  
  
• Low Power Consumptions.

• High Flexibility.
  
  
  Here are some Images that can amaze you. It is of samsung AMOLED display.
  
  
  
  
  
  
  
  
  
  

• Very Slim Design.

However AMOLED has some limitations which don't make it suitable for all applications.

• Price
  
  Price is high compared to other displays.
• Image Sticking.
  
  Image sticking is the term used to describe the image rentention occuring when a fixed pattern is displayed over a long period of time.
  
  
  
  For example, if we continuously display the checker board pattern like shown in the left side of the image for a long time and switch to 50% grey of full white pattern, we can see the image like the right one. This phenomenon is called Image Sticking.
  
  
  
• Life Time.
  
  Life Time is small compared to other displays.