Amongst the trove of high-end features on the Galaxy S5, the display may be the most impressive. Sporting a 5.1-inch Full HD Super AMOLED (Samsung's version of OLED) display with 1920 x 1080 resolution and 432 pixels per inch, Samsung's flagship has one of the best smartphone screens currently on the market. One perk of having an OLED screen is that each pixel produces its own light. When the pixels produce color, each organic light-emitting diode gives off light. But when that color is black, no light is emitted as the pixels aren't actually on. In other words, when black is displayed... more
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