what is the difference between amoled and oled ?

 

AMOLED and OLED are two types of display technologies that have become increasingly popular in recent years. OLED stands for Organic Light Emitting Diode, while AMOLED stands for Active Matrix Organic Light Emitting Diode. While both technologies share similarities, they also have some notable differences.

 

One of the key differences between the two technologies is the way they are manufactured. OLED displays are created using small molecules of organic materials that are sandwiched between two electrodes. When an electric current is applied to these materials, they emit light. In contrast, AMOLED displays use a thin film transistor (TFT) backplane to control the flow of electric current to each individual pixel. This allows for more precise control over the display, which can result in better image quality.

 

Another difference between the two technologies is the use of a touch panel. OLED displays use external touch panels that are placed over the screen, while AMOLED displays integrate the touch sensor into the display itself. This can make AMOLED displays thinner and more responsive, but it can also increase the cost of manufacturing.

 

One major advantage of AMOLED displays is their ability to display true black colors. Traditional LCD displays rely on a backlight to produce light, which can result in a grayish hue when displaying blacks. OLED and AMOLED displays, however, are able to emit their own light, which means they can produce true blacks. This can result in better contrast ratios and more vibrant colors overall.

 

Another advantage of AMOLED displays is their energy efficiency. Because each individual pixel is controlled separately, only the pixels that need to emit light do so. This means that AMOLED displays can use less energy than traditional LCD displays, which can result in longer battery life for devices like smartphones and tablets.

 

On the other hand, one disadvantage of AMOLED displays is their susceptibility to burn-in. Because each pixel is controlled separately, static images that are displayed for long periods of time can cause individual pixels to become permanently damaged, resulting in a ghostly image of the static image on the display. OLED displays can also experience burn-in, but to a lesser extent than AMOLED displays.

 

In conclusion, both OLED and AMOLED displays have their advantages and disadvantages. While OLED displays are generally less expensive to manufacture and can produce good image quality, AMOLED displays offer better contrast ratios, more vibrant colors, greater energy efficiency, and thinner designs. However, AMOLED displays can also be more susceptible to burn-in, which can be a concern for users who display static images for long periods of time. Ultimately, the choice between OLED and AMOLED displays depends on the specific needs and preferences of the user.