Transparent Displays
We spend many hours every day looking at some sort of display, whether it be attached to a computer, phone, TV, or maybe even a car. These displays work on a relatively simple concept of using liquid crystals that change the color of the light that is provided by the backlight, which is usually white. This tech has replaced the old CRT (cathode ray tube) technology that shot electrons at a screen over and over scanning across to form the image. The next innovation in display tech is hopefully something like what Iron Man has in his suit, a type of transparent display. The current tech used would work somewhat as a transparent display, but the colors would be affected by whatever light is behind them, as no light is being produced by the display, only altered. This is where OLED (organic light emitting diodes) come into play, as they are one of the newest type of display technology, and they create their own light. This means that the colors you see are being produced pixel by pixel, rather than a white light being altered pixel by pixel. This also allows for better contrast, as each individual pixel can turn off, making the display capable of having true black rather than a sort of blocked backlight. This tech also allows for flexible and more varieties of displays, which are already being used in some TV's today.
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