Dye sublimation is a printing technology that uses layers of transparent color dye, special dye-receptive paper and a heated printing head to create images that are pretty close in quality to conventional photographic film and paper--up to 16.7 million colors and 403 dots per inch by 403 dots per inch.

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In addition to the full-color transparent AMOLED touch screen, the IceTouch features a high-performance CPU and Samsung's own "TouchWiz Sweep" interface, which is designed to provide a comfortable grip and give users new options for interacting with their player.

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The IceTouch (YP-H1), featuring the world's first 2-inch, full color, transparent Active Matrix Organic Light Emitting Diode (AMOLED) touch-screen display, functions as a DVD-quality video player, studio quality audio player, an ultra-portable photo album, an FM radio and even a portable storage device.

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In Xperia U, the transparent element illuminates to match the color of photos viewed in the gallery or the album art of music tracks currently playing.

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Dual-shot adds a second layer of colored, transparent or translucent polycarbonate on top of a base layer to produce secondary color blends and depth effects.

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