When choosing a display for your smartphone, tablet, laptop or TV, you can find different technologies such as AMOLED, IPS, LCD, OLED and more. Each of these display technologies has its own advantages and disadvantages, and depending on your preferences and needs, you may prefer one over the other. In this article, we will compare and contrast the two most popular screen technologies: AMOLED and IPS.
What is AMOLED?
AMOLED stands for Active Matrix Organic Light Diode and is
an OLED display that uses an array of thin film transistors (TFTs) to control
the current flow in each pixel. OLED displays are self-emitting, meaning that
each pixel produces its own light, unlike LCD displays that use backlight to
illuminate these pixels. This allows OLED displays to achieve perfect black,
infinite contrast levels and wide viewing angles.
AMOLED displays are used in high-end smartphones, tablets,
and smart watches because of their vivid colors, fast response times, and low
power consumption. Some of the advantages of the AMOLED display are:
• It can produce deep, rich blacks and high contrast ratios
because the pixels can be completely turned off when displaying blacks.
• It can show different colors because each pixel can emit
different wavelengths.
• It can offer a wide viewing angle because the light output
from the pixels is independent of the screen angle.
• It can have a fast response time because the pixels can
turn on and off quickly, reducing motion blur and jitter.
• Can save energy because it only uses power when the pixels
are on and can adjust the brightness of each pixel based on the content.
However, AMOLED displays have some disadvantages:
• Parts of the screen that display the same image for a long
period of time, such as navigation buttons or status bar icons, are prone to
burn-in.
• Shorter lifespan than LCD displays because the organic
materials used in OLED displays degrade over time, especially blue pixels,
which have lower efficiency and stability than red and green pixels.
• It has a higher brightness than the LCD display because
the brightness of each pixel depends on the current flow, which is limited by
the power supply and heat dissipation of the device.
• LCD screens are more expensive to manufacture because the
OLED display manufacturing process is more complex and requires more precision
and quality control.
What is IPS?
IPS stands for in-plane switching and is a type of LCD
display that uses liquid crystals to modulate the light coming from the
backlight. LCD displays are transmissive, meaning they rely on a backlight to
illuminate the pixels, unlike OLED displays that emit light. This means that
LCD displays cannot achieve perfect black because some light always leaks
through the pixels, resulting in low contrast levels and narrow viewing angles.
IPS displays are widely used in laptops, monitors and
televisions because they offer better color accuracy, brightness and durability
than LCD displays such as TN (Twisted Nematic) or VA (Vertical Alignment). Some
of the advantages of IPS display are:
• It can produce more accurate and true colors than AMOLED
displays because it has a higher color gamut and better color calibration.
• It can offer better brightness and clarity than AMOLED
displays because it has high brightness and low reflectance.
• It can last longer than AMOLED displays because it does
not suffer from burn-in or degradation problems.
• It can be cheaper than AMOLED displays because it uses a
simpler and more advanced manufacturing process.
However, IPS displays also have some disadvantages:
• They cannot produce true blacks and high contrast ratios
because they use a light source that always emits some light even when black is
displayed.
• They cannot show different colors because they use color
filters to block light wavelengths, resulting in poor color depth and
saturation.
• They cannot offer a wide viewing angle because the light
from the backlight changes its polarization and intensity when viewed from a
different angle, resulting in color change and loss of contrast.
• May have a slower response time than AMOLED displays
because the liquid crystal takes longer to stabilize and transition between
different states, causing motion blur and jittery effects.
• It may be less energy efficient than the AMOLED display
because it always consumes power regardless of the displayed content and cannot
adjust the brightness of each pixel individually.
Conclusion
AMOLED and IPS are the two most common display technologies
used in modern devices, and each has its advantages and disadvantages.
Depending on your wants and needs, you may find one more suitable than the
other. Here's a summary of the main differences between AMOLED and IPS
displays:
In general, AMOLED displays are better for devices that
require high contrast, wide color gamut, fast response, and low power
consumption, such as smartphones, tablets, and smart watches. IPS displays are
better for devices that require high brightness, color accuracy, durability,
and accessibility, such as laptops, monitors, and televisions.
However, there is no definitive answer as to which display
technology is better, as it ultimately depends on personal preference and your
usage scenario. The best way to determine which display technology is best for
you is to compare different devices with different display technologies and see
which one you like best.
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