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Nokia's revealing the secrets behind ClearBlack: its display technology that, even under the brightest sunlight, renders black as black as blackest night during a dark spell. Wedged above the E7, Lumia 800 and 900 displays are three thin layers, a linear polarizer, a quarter-wave retardation film

2 years ago 0 Comments
February 6, 2012 at 5:29PM