AMOLED Vs OLED: Which Is Better And Why?
Display technology has evolved a lot since the introduction of LCDs. While LCD and OLED displays have many differences, there is not much difference between AMOLED and OLED. The little difference is only significant because of the term used by Samsung here to market its OLED technology, i.e., AMOLED.
Highlights of the Story
- There is only a meagre amount of difference between an AMOLED display and an OLED display.
- AMOLED is just a term used by Samsung to market its OLED display technology.
- Many smartphone manufacturers use Samsung’s display which is the reason behind the display specifications being AMOLED display.
Over time, the purpose of using mobile phones or Smartphones has changed. Initially, mobiles were used as a sign of luxury. Comparatively, it has now become a basic necessity of every individual. Smartphone has dramatically transformed the lives of individuals. It has now become a mini-computer that everyone carries in their pocket. It is no longer used to take calls only. Instead, you can have multiple things at your fingertips in a few seconds.
Before purchasing any Smartphone, everyone goes through a list of specifications. This list includes display type, screen size, battery backup, supported operating system, total internal memory, and many others. Today, we have brought a comprehensive study of the significant types of display technologies available nowadays.
In this article, we will introduce you to the OLED and AMOLED display technologies. Then, we will discuss the properties of both display technologies, followed by the difference between AMOLED vs OLED.
Let us discuss OLED and AMOLED, one-by-one.
What are OLED displays?
OLED stands for Organic Light Emitting Diode. The OLED display contains an LED which is comprised of an organic material that emits light when the current is passed through it. It is used to display vibrant colours. The OLED is much smaller, flexible, and relatively thin as compared to the traditional LEDs. They also consume less power while illustrating dark colours.
The OLEDs are widely used in different areas or fields such as:
- It is used in creating a display for televisions.
- It is also used in developing screens for Smartphone.
- It is widely implemented in creating a computer monitor screen.
- It is also used for creating flexible and bendable lighting, wallpaper and even for transparent lighting.
1. PMOLED (Passive Matrix OLED)
PMOLED stands for Passive Matrix Organic Light Emitting Diode. The PMOLEDs are easy to find and much cheaper than other LEDs, but they are not capable of working for a long duration as their lifespan is very short. Therefore, this type of display is generally used in small devices up to 3 inches.
AMOLED stands for Active Matrix Organic Light Emitting Diode. This type of display is generally used on large platforms. It contains TFT, which further consists of a storage capacitor. It also works on the same principle as OLED displays.
Advantage of OLED displays
There are various advantages of OLED. Some of them are as follows:
- It provides a good quality display.
- It is cost-effective.
- It is much brighter than LEDs.
- They do not require backlighting.
- It has a much faster response time as compared to the traditional LCDs.
Disadvantage of OLED displays
There are very few limitations to OLED. Some of them are as follows:
- The lifespan of OLEDs is much shorter as compared to LCD, LED and PDP display technologies.
- The OLEDs have variation in color balance.
- It does not provide resistance against water. Water can easily damage the OLED displays.
What are AMOLED displays?
AMOLED is short for Active Matrix Organic Light Emitting Diode. It is based on the active matrix system, having a thin film transistor (TFT) to control the current flow in each pixel. It basically contains two TFTs in which one is required to start and stop charging of the storage capacitors and the other to facilitate the charging of the capacitors.
AMOLED offers no limitation on the size of the display. The power consumption of AMOLED is much less than other display technologies. The AMOLED offers incredible performance. It is thinner, lighter, and flexible than any other display technology like LED, LCD technology.
The AMOLED display is widely used in mobiles, laptops, and televisions as it offers excellent performance. Therefore, SAMSUNG has introduced AMOLED displays in almost every product. For example, Full HD Super AMOLED in Samsung Galaxy S4 and Samsung Galaxy Note 3, Super AMOLED in Samsung Galaxy S3, HD Super AMOLED in Samsung Galaxy Note, and HD Super AMOLED Plus in Samsung Galaxy S3. Apart from this, it is also used in creating the following:
- Smart watches
- Portable music players
- Games consoles
- Music production hardware
- Digital cameras
Advantages of AMOLED
There are various advantages of AMOLED. Some of them are as follows:
- It can be easily embedded into a display of any size.
- It has a much faster refresh rate as compared to PMOLED.
- They are also used in industrial applications.
- They offer much better viewing angles as compared to the IPS LCD.
Disadvantages of AMOLED
There are very few limitations to AMOLED. Some of them are as follows:
- The quality of the display degraded with the time. This is one of the biggest disadvantages of the AMOLED display.
- The AMOLED display is very likely to screen burn-in.
- The AMOLED displays are very costly as compared to other display technologies.
Also read: Replace your iPhone X screen at best price
So far, we have discussed OLED and AMOLED display technologies. Now, we will look at some of the differences between OLED and AMOLED display technology:
Differences between AMOLED vs OLED Display Technology
OLED comprises thin layers of the organic component, which emits light when current is passed through it. In this technology, each pixel transmits its own light. On the other side, AMOLED consists of an additional layer of thin-film transistors (TFTs). In AMOLED, the storage capacitors are used to maintain the pixel states.
With varying technologies, first came the OLED. The first OLEDs were built using glass substrates, and as the display technology evolved, manufacturers showed keen interest in moving to more flexible plastic components. Here, the difference is that while the glass is fixed and rigid, we have evolved to use plastic substrates because they can be easily formed into shapes, which is much more considerable in terms of pricing.
While the technology is different with various manufacturers, Samsung’s edge AMOLED displays use plastic substrates with poly-Si TFT technology similar to how LG uses it in their POLED technology. This technology is what makes the possibility to build curved displays using an active-matrix OLED panel.
OLED display much deeper blacks as compared to the AMOLED displays. You cannot see the screen in AMOLED display under direct sunlight. The AMOLED display quality is much better than the OLEDs as it contains an additional layer of TFTs and follows backplane technologies.
The AMOLED displays are much flexible as compared to the OLED display. Hence, they are much costly than the OLED display.
The OLED devices are simple solid-state devices consisting of a thin layer of organic compounds in an emissive electroluminescent layer where the electricity is formed.
These organic compounds are present between the protective layers of glass or plastic. Comparatively, AMOLED comprises an active matrix of OLED pixels along with an additional layer of TFTs. This additional layer is responsible for controlling the flow of current in each pixel.
3. Contrast Ratio
The OLED display offers a high level of control over pixels. Hence, it can be turned off completely, which further results in an excellent contrast ratio compared to the AMOLED displays and less power consumption. On the other side, AMOLED has faster refresh rates than OLEDs. Also, they offer a tremendous artificial contrast ratio as each pixel transmits light but consumes more power than OLEDs.
4. Display size
OLED displays are comparatively much thinner as compared to the LCDs. Hence, it provides more efficient and bright displays. In addition, OLED offers support for large display sizes as compared to the traditional LCDs. AMOLEDs remove the limitation of display sizes. It can be fitted into any display size.
Putting all the points mentioned above in view, the key difference to understand appropriately is that POLED is an OLED display with a plastic substrate. On the other hand, AMOLED is Samsung’s word for its display technology mainly used for marketing. Therefore, most of the phone manufacturers having AMOLED displays mean that they are using Samsung displays. It is as simple as that. To add to that, all the curved display technology is made possible because of the usage of plastic substrate.
Also read: Tempered Glass vs Plastic Screen protectors
So, based on the points mentioned above, the difference between OLED and AMOLED displays, you can choose any of the two display technology at your convenience. Both are good and offer excellent performance and can be customised according to your requirements.
Top 3 AMOLED screen phones in India (2021)
Window to the digital world, the display is one of the first seen features while selecting a smartphone, so a display must be good, and an AMOLED display offers the same. Offering a great viewing experience, here are the top 3 AMOLED screen smartphones available in the market right now:
1. Realme 8 Pro
Realme 8 Pro features a 6.4-inch Super AMOLED display with 411 PPI and a 2.5D curved display. It is powered with Snapdragon 720G, which is bundled with Adreno 618 and 6GB of RAM. On the rear, the Realme 8 Pro has a quad-camera setup with 108MP primary sensor, 8MP ultra-wide angle sensor, 2MP macro sensor, and a 2MP monochrome sensor.
Coming to the front, it has a 16MP selfie camera housed in the punch-hole display. It is packed with a 4500 mAh battery that supports Super Dart fast charging, with 100% coming in just 47 min. The Realme 8 Pro is one of the best in its segment with a Super AMOLED FHD+ display. Media lovers will enjoy this phone with its deep blacks and vibrant colours.
2. Xiaomi Mi 11 Lite
The Xiaomi Mi 11 Lite is powered by the Snapdragon 732G chipset bundled with Adreno 618 GPU and up to 8GB of RAM. The display front comes with a 6.55-inch AMOLED display with HDR 10+ support and 402 PPI.
The cameras have a triple rear camera setup with a 64MP primary sensor, 8MP ultra-wide angle sensor, and a 5MP macro sensor. On the front, it has a 16MP selfie camera housed in the punch-hole display. It is powered by a 4250 mAh battery with 33W fast charging with USB Type-C. With the support for HDR 10+, the AMOLED display on the Mi 11 Lite is a treat for all media enthusiasts.
3. OPPO Reno 6 Pro
OPPO has recently launched the Reno 6 Pro with MediaTek’s Dimensity 1200 chipset coupled with Mali-G77 MC9 GPU and up to 12GB of RAM. In addition, it comes with a 6.55-inch curved AMOLED FHD+ display with support for HDR 10+ and an Oleophobic coating.
On the rear, it comes with a quad-camera setup with a 64MP primary sensor, an 8MP ultra-wide angle sensor, a 2MP macro sensor, and a 2MP depth sensor. On the front, it has a 32MP selfie camera integrated inside the punch-hole on display. It is powered by a 4500 mAh battery that supports 65W Super VOOC fast charging and can charge the phone to 100% in just 31 minutes. Since it comes with an FHD+ curved AMOLED display on the display front, it is a treat for gamers and media consumption lovers.
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