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When it comes to choosing a display technology for your smartphone, tablet, or even television, two primary options dominate the market: AMOLED (Active Matrix Organic Light Emitting Diode) and LCD (Liquid Crystal Display). Both technologies have their strengths and weaknesses, and understanding the differences between them can help you make an informed decision. In this article, we'll explore the key differences between AMOLED and LCD displays and provide guidance on how to choose the one that best suits your needs.

 

AMOLED vs. LCD: The Basics

 

1. Working Principle:

   - AMOLED: AMOLED displays use organic compounds that emit light when an electric current is applied. Each pixel is a tiny light source, and they don't require a separate backlight.

   - LCD: LCDs rely on a backlight to illuminate the screen. Liquid crystals modulate the light to produce images.

 

2. Black Levels:

   - AMOLED: AMOLED displays can achieve true black levels because each pixel emits its own light. When a pixel is off, it produces no light, resulting in deep blacks.

   - LCD: LCDs have a backlight that's always on to some extent, even when displaying black. This can lead to "black crush," where dark areas may appear less detailed.

 

3. Contrast Ratio:

   - AMOLED: AMOLED displays typically have higher contrast ratios due to their ability to display deep blacks alongside bright whites, resulting in vivid images.

   - LCD: LCDs can struggle to match the contrast ratios of AMOLED displays because they rely on a backlight that affects the entire screen simultaneously.

 

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4. Color Reproduction:

   - AMOLED: AMOLED screens tend to provide more vibrant and saturated colors, which can be appealing for multimedia and entertainment purposes.

   - LCD: LCDs offer accurate color reproduction, making them a better choice for tasks that require color precision, such as graphic design and photo editing.

 

5. Power Consumption:

   - AMOLED: AMOLED screens are power-efficient when displaying dark content, as each pixel consumes power independently. However, displaying bright content may consume more power than LCDs.

   - LCD: LCDs tend to be more power-efficient when displaying bright content but less so when displaying dark content, as the backlight is always active.

 

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6. Viewing Angles:

   - AMOLED: AMOLED displays offer wide viewing angles with consistent colors and contrast even at extreme angles.

   - LCD: LCDs can experience color shifts and reduced contrast at extreme viewing angles.

 

7. Response Time:

   - AMOLED: AMOLED screens typically have faster response times, which can result in smoother animations and reduced motion blur in fast-paced content.

   - LCD: LCDs may have slightly slower response times, leading to potential motion blur in fast-moving scenes.

 

How to Choose Between AMOLED and LCD:

 

1. Usage and Priorities:

   - Consider your primary use case. If you value vibrant colors and deep blacks for media consumption and entertainment, AMOLED may be the better choice. For tasks like graphic design and color-critical work, LCD might be preferable due to its color accuracy.

 

2. Battery Life:

   - Evaluate your power usage patterns. If you often use your device in dark mode or for tasks with predominantly dark content, AMOLED's power efficiency can extend your battery life. On the other hand, if your device mainly displays bright content, LCDs may be more energy-efficient.

 

3. Budget:

   - AMOLED displays are often found in premium devices, while LCDs are used in a wider range of products, including budget-friendly options. Consider your budget and the trade-offs you're willing to make.

 

4. Outdoor Use:

   - If you frequently use your device outdoors, consider an AMOLED display. Its ability to produce high-contrast, vibrant images makes it easier to view in bright sunlight compared to LCDs.

 

5. Viewing Conditions:

   - Assess your typical viewing conditions. If you frequently share content with others or view your screen from various angles, AMOLED's superior viewing angles can be a significant advantage.

 

6. Brand and Model:

   - Research specific device models and brands. Some manufacturers may implement additional technologies or customizations that affect display quality. Check reviews and user experiences for insights.

 

7. Future-Proofing:

   - Consider the longevity of your device. AMOLED displays can be susceptible to burn-in over time, whereas LCDs are less prone to this issue. If you plan to keep your device for several years, this could influence your choice.

 

Conclusion

 

The decision between AMOLED and LCD displays ultimately depends on your preferences, usage patterns, and budget. AMOLED offers impressive contrast ratios and vibrant colors, making it ideal for multimedia consumption and immersive experiences. On the other hand, LCDs excel in color accuracy, making them suitable for tasks demanding precision.

Make an informed choice by considering your priorities and the factors discussed above. Additionally, as display technologies continue to advance, keep an eye on the latest developments in the market to ensure your choice aligns with your evolving needs and preferences.

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Sep. 22, 2022

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 vs OLED. 

 

Over time, the purpose of using mobile phones or Smartphones has changed. 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. Instead, you can have multiple things at your fingertips in a few seconds. While there are plenty of things to look for, AMOLED vs OLED is also a part of it.

 

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 display technologies available nowadays.

 

What Are OLED Displays?

It stands for Natural Light-Emitting Diode, a type of LED technique that utilises LEDs wherein the light is of organic molecules that cause the LEDs to shine brighter. These organic LEDs are in use to make what are thought to be the best display panels in the world.

When you make an OLED display, you put organic films among two conductors to make them. As a result, a bright light comes out when electricity is used—a simple design with many advantages over other ways to show things.

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OLEDs can be used to make emissive displays, which implies that each pixel can be controlled and emits its very own light. As a result, OLED displays have excellent picture quality. They have bright colours, fast motion, and most importantly, very high contrast. Most of all, "real" blacks are the most important.  The simple design of OLEDs also makes it easy to create flexible displays that can bend and move.

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► Types of OLED Display

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 cannot work for a long duration as their lifespan is very short. Therefore, this type of display is generally for small devices up to 3 inches.

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2. AMOLED

AMOLED stands for Active Matrix Organic Light Emitting Diode. This type of display is generally for large platforms. It contains TFT, which further consists of a storage capacitor. It also works on the same principle as OLED displays.

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► Advantages 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.

 

What are AMOLED displays?

AMOLED offers no restriction on the size of the display. The power consumption of AMOLED is much less than other display technologies. The AMOLED provides incredible performance. It is thinner, lighter, and more flexible than any other display technology like LED, or LCD technology.

The AMOLED display is widely used in mobiles, laptops, and televisions as it offers excellent performance. 

 

► 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.

 

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

 

► Technology – AMOLED vs OLED

OLED comprises thin layers of the organic component, which emits light when the current passes 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.

While the technology is different among 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.

 

► Display – AMOLED vs OLED

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 more flexible as compared to the OLED display. Hence, they are much more costly than the OLED display.

 

► Working – AMOLED vs OLED

The OLED devices are simple solid-state devices consisting of a thin layer of organic compounds in an emissive electroluminescent layer where the electricity generates.

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 extra layer is responsible for controlling the current flow in each pixel.

 

► Contrast Ratio – AMOLED vs OLED

The OLED display offers a high level of control over pixels. Hence, it can be turned off completely, resulting 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.

 

► Display size – AMOLED vs OLED

OLED displays are comparatively much thinner compared to the LCDs. Hence, it provides more efficient and bright presentations. In addition, OLED offers support for large display sizes compared to the traditional LCDs. AMOLEDs remove the limitation of display sizes. one can fit it 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 which is mainly for marketing. Therefore, most 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.

 

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, offer excellent performance, and are customised according to your requirements.

The AMOLED display has a higher quality than OLEDs since it has an additional layer of TTs and uses backplane technologies. When compared to OLED screens, AMOLED displays are far more flexible. As a result, they are substantially more expensive than an OLED display.

 

Conclusion in AMOLED vs OLED

Smartphone displays have advanced significantly in recent years, more so than most people realise in this technological age. Display screens are similar to windows in the mobile world, which has seen a tremendous transformation in innovative products in the last several years. People have gotten more selective when buying a phone in recent years, and although all of the functions are important, the display is always the most noticeable.

Major smartphone manufacturers attempt to provide their consumers with the most delicate devices possible that incorporate the most up-to-date technologies. In AMOLED vs OLED, AMOLED is a type of OLED and a more prominent example of both OLED and POLED, so there's no debate about which is superior.

 

Dianguang Hi Tech Electronics has rich experience in manufacture and supply of OLED modules and AMOLED display screens. With continuous R&D and technology research, we will continue to provide high quality OLED and AMOLED to global customers. If you still have any questions on AMOLED vs OLED, or you want to get a free quotation of AMOLED and OLED, please don't hesitate to contact us for more.

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