AMOLED stands for Active Matrix Organic Light Emitting Diode which means dynamic matrix organic luminescent display technology. Samsung is the manufacturer and creator of this display technology.
The AMOLED display is made up of pixels arranged in a Pentile matrix structure (the name Samsung gave to this arrangement), the pixels are controlled by an electric current that allows them to light up on their own, thereby saving them. save battery power when the screen is active. Each pixel of an AMOLED display can only display one green and one of two red or blue, their sort order is Red - green - blue - green, which is different from the standard order of LCD screens are Red - blue - green, so we often hear comments about AMOLED screens being more blue, partly due to the arrangement of these pixel matrices.
Recently, Samsung has developed a new pixel arrangement applied for the first time on the Galaxy S5 which is a diamond-style pixel matrix as shown below. According to Samsung, they have reduced the green pixel and alternating between red and blue pixels by 45 degrees, this will both reduce the image of the color hue of the AMOLED screen, while keeping Each pixel can display all 3 basic colors like traditional LCD screens.
Advantages:
+ Display colors are vibrant, flattering, and that's what makes a lot of people like Samsung's AMOLED screens.
+ The brightness and contrast are very high, the black colors are shown very bold and deep.
AMOLED screen is more economical than other display technologies. Because when it shows black, this screen just turns off the pixels there so when used in gray and black tones, AMOLED gives outstanding usage time (this can be seen on the mode. "Super battery saver" on high-end phones from Samsung).
+ Thanks to the simpler structure, the AMOLED screen has a slimmer size than other screens. This display technology is suitable for making ultra-thin mobile devices.
+ The color range on this screen is also very wide combined with many of the color tweaks that Samsung provides on the device, you can easily choose vibrant or soft colors depending on your needs and preferences. .
+ Compared with the IPS LCD technology, which is made up of liquid crystals, the AMOLED screen is more capable of withstanding impact forces.
Defect:
Compared to the maximum brightness, the IPS LCD display is leading the way with screen technologies that can push the brightness up to over 800 nits. Therefore, in terms of outdoor visibility, AMOLED screens also have certain limitations.
Speaking of AMOLED technology, many people will immediately think of Samsung because it is the largest manufacturer that develops this type of screen. As expected, the market share of AMOLED displays in 2015 will be around 37.5%.
Most Samsung phones and tablets use AMOLED screens such as: Samsung Galaxy S2, S3, S4 , S5 , Samsung Galaxy Note 3 , Note 4 , Samsung Galaxy Tab S ...
AMOLED screens are mainly found on mid-range and high-end phones such as: Lumia 930 , Lumia 730 , Gionee Elife S5.5 , Oppo R5 ...
High-end tablets are using AMOLED screens such as: Samsung Galaxy Tab S 8.4 , S 10.5 ...
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