Samsung announced Tuesday that it had developed the largest single-panel active matrix-based organic light-emitting diode (OLED) display for TVs. Recently, Phillips had that claim with it’s 20 inch screen.  Samsung’s 21 inch OLED display offers brightness of 400 nits, a contrast ratio of 5000:1, and color gamut of 75, making the product ideal for viewing HD-resolution video images.

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