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What is an A-TW (Advanced True White) polarizer and what are the benefits and drawbacks?

April 26, 2017a-tw advanced Benefits drawbacks polarizer white

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What is an A-TW (Advanced True White) polarizer and what are the benefits and drawbacks?

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The A-TW filter is an additional film that is applied to some LCD panels with the aim of improving off-axis viewing of the display by reducing the “glow” effect that can be seen when viewing very dark images at extreme angles on S-IPS LCD panels. While it does reduce the glow effect, it can also introduce a slight coloration artifact that causes the glow to appear green when viewed from one angle, and magenta from another.