Galaxy S III has PenTile AMOLED because it lasts longer

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After the Galaxy S III announcement many people, including us, were wondering why Samsung decided to use a PenTile Super AMOLED screen instead of an Super AMOLED Plus unit.

Well, a Samsung spokesman has explained why. The reason turned out to be plain simple – it’s not because Samsung can’t satisfy the demand – it’s just that the PenTile will last longer.

As it turns out, the RGB AMOLEDs degrade much faster than the PenTile AMOLEDs so the picture quality becomes worse faster. The blue pixels are the ones to blame – they degrade faster than the red and green pixels. The PenTile displays have less blue pixels because of the RGBG subpixel layout and that’s why they have longer life span.

Samsung wants to ensure top-notch display quality even two or three years after the users get their Galaxy S III and it seems the only way is to use PenTile displays.

Does that mean that the Galaxy S II users have only two years of proper service ahead?

We already met the Galaxy S III and thanks to its high ppi density, the PenTile matrix is hardly noticeable (as opposed to the Galaxy S), so you should not worry about the image quality.

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