Different Screen Types Comparison "Short but conclusive"
Knowing about the different types of screens is very important when you want to buy a television or a mobile etc...
Here is a comparision between various features of IPS, NOVA, Super AMOLED (Advanced AMOLED Technology) diplays.
Note : Samsung Galaxy SII - Super AMOLED Display
Iphone 4 - IPS
LG Optimus Black - NOVA display
Brightness
The NOVA display boasts an incredible brightness. The luminosity measures at 700 nits (the equivalent of 700 candelas per square meter if you wish), far more than the 500 nits on the similar IPS-LCD on the iPhone 4 and noticeably brighter than the Samsung Galaxy S II and its Super AMOLED Plus. Performance on paper aside, our real-world experience with the screens proved that the NOVA display on the Optimus Black is indeed shining brightest.
Winner: NOVA Display
Contrast
Ever since AMOLED screens got introduced, our very understanding of what great contrast on a mobile display is has been totally redefined. No LCD display can boast the almost infinite contrast levels of AMOLED screens. Undoubtedly, handsets which rely on the advanced IPS-LCD technology, like the iPhone 4, have come a long way to having a very juicy picture on the whole, but still, if we have to pick one screen that is best out there when it comes to high, punchy contrast, it will surely be the Super AMOLED Plus one on the Galaxy S II.
Winner: Super AMOLED Plus
Outdoor Visibility
Actually, LG goes on to claim that 700 nits is the exact threshold for perfect outdoor visibility, allowing the human eye to easily make out pictures even in direct sunlight.
Winner: NOVA Display
Text readability
In terms of text readability, the resolution of the screen makes a huge difference and the iPhone 4 easily won the first place here. The NOVA display does well, but there is still some noticeable pixelization, just as on the Super AMOLED Plus-wielding Samsung Galaxy S II, which is still a significant improvement from its predecessor in the Galaxy S.
Winner: IPS-LCD “Retina Display” on iPhone 4
Color gamut
You might have also wondered about the origin of the Black part of the LG Optimus Black name. And again it's the deep blacks, which consume zero watts that are the likely justification. But it's not only the blacks – the whites are also clear and colors are soft. The difference is striking when put alongside a Super AMOLED Plus screen, where a cold blueish hue is noticeable, and despite being punchy, colors on a Super AMOLED Plus display look comparatively exaggerated, and covering way more than the standard color gamut. Ultimately, we'd go for the more balanced looking colors on the iPhone, despite it reproducing 64% of the standard color gamut, whereas the Optimus Black produces slightly warmer colors, with a perceptible yellowish tone to the white.
Winner: IPS-LCD on iPhone 4
Wide-angle view
Wide-angle visibility is top-notch on the Galaxy S II with almost no change in color and contrast. The LG Optimus Black, when viewed from extreme angles, has a slight purplish shade, also noticeable (in a lesser degree on the iPhone 4). Although the Galaxy S II with its Super AMOLED Plus display does not perform convincingly at the most extreme angles (at which you'll probably never look your phone), it's the best when it comes to angles up to 140 degrees.
Winner: Samsung Galaxy S II
Finally, the NOVA screen technology is battery-savvy, working in concert with the energy effective TI OMAP chipset to deliver excellent battery life. But in a pure screen fight, it wins only in the brightness department. When it comes to screen legibility and resolution, it's the high-resolution IPS-LCD, dubbed Retina Display, that truly wins here – a technology used in professional monitors, yielding the most accurate results. If you value balance and resolution first, you'd appreciate what the iPhone 4 has to offer; the LG Optimus Black being a runner-up with a slight yellowish hue. If you value great contrast and high saturation for extremely punchy images, Super AMOLED Plus on the Galaxy S II is the way to go.
The NOVA display boasts an incredible brightness. The luminosity measures at 700 nits (the equivalent of 700 candelas per square meter if you wish), far more than the 500 nits on the similar IPS-LCD on the iPhone 4 and noticeably brighter than the Samsung Galaxy S II and its Super AMOLED Plus. Performance on paper aside, our real-world experience with the screens proved that the NOVA display on the Optimus Black is indeed shining brightest.
Winner: NOVA Display
Contrast
Ever since AMOLED screens got introduced, our very understanding of what great contrast on a mobile display is has been totally redefined. No LCD display can boast the almost infinite contrast levels of AMOLED screens. Undoubtedly, handsets which rely on the advanced IPS-LCD technology, like the iPhone 4, have come a long way to having a very juicy picture on the whole, but still, if we have to pick one screen that is best out there when it comes to high, punchy contrast, it will surely be the Super AMOLED Plus one on the Galaxy S II.
Winner: Super AMOLED Plus
Outdoor Visibility
Actually, LG goes on to claim that 700 nits is the exact threshold for perfect outdoor visibility, allowing the human eye to easily make out pictures even in direct sunlight.
Winner: NOVA Display
Text readability
In terms of text readability, the resolution of the screen makes a huge difference and the iPhone 4 easily won the first place here. The NOVA display does well, but there is still some noticeable pixelization, just as on the Super AMOLED Plus-wielding Samsung Galaxy S II, which is still a significant improvement from its predecessor in the Galaxy S.
Winner: IPS-LCD “Retina Display” on iPhone 4
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From left to right - LG Optimus Black, Samsung Galaxy S II, Apple iPhone 4, LG Optimus 2X
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Color gamut
You might have also wondered about the origin of the Black part of the LG Optimus Black name. And again it's the deep blacks, which consume zero watts that are the likely justification. But it's not only the blacks – the whites are also clear and colors are soft. The difference is striking when put alongside a Super AMOLED Plus screen, where a cold blueish hue is noticeable, and despite being punchy, colors on a Super AMOLED Plus display look comparatively exaggerated, and covering way more than the standard color gamut. Ultimately, we'd go for the more balanced looking colors on the iPhone, despite it reproducing 64% of the standard color gamut, whereas the Optimus Black produces slightly warmer colors, with a perceptible yellowish tone to the white.
Winner: IPS-LCD on iPhone 4
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From left to right - LG Optimus Black, Samsung Galaxy S II, Apple iPhone 4, LG Optimus 2X
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Wide-angle view
Wide-angle visibility is top-notch on the Galaxy S II with almost no change in color and contrast. The LG Optimus Black, when viewed from extreme angles, has a slight purplish shade, also noticeable (in a lesser degree on the iPhone 4). Although the Galaxy S II with its Super AMOLED Plus display does not perform convincingly at the most extreme angles (at which you'll probably never look your phone), it's the best when it comes to angles up to 140 degrees.
Winner: Samsung Galaxy S II
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From left to right - LG Optimus Black, Samsung Galaxy S II, Apple iPhone 4, LG Optimus 2X
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From left to right - LG Optimus Black, Samsung Galaxy S II, Apple iPhone 4, LG Optimus 2X
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Finally, the NOVA screen technology is battery-savvy, working in concert with the energy effective TI OMAP chipset to deliver excellent battery life. But in a pure screen fight, it wins only in the brightness department. When it comes to screen legibility and resolution, it's the high-resolution IPS-LCD, dubbed Retina Display, that truly wins here – a technology used in professional monitors, yielding the most accurate results. If you value balance and resolution first, you'd appreciate what the iPhone 4 has to offer; the LG Optimus Black being a runner-up with a slight yellowish hue. If you value great contrast and high saturation for extremely punchy images, Super AMOLED Plus on the Galaxy S II is the way to go.
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