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    Scientists find a Cheaper way to Light up OLED screens

    February 10, 2019, Categories  Chemistry/Nanotechnology, Physics, Technology/Electronics

    Chemist Mark E. Thompson holds new copper-based LEDs invented by him and a team of chemists that could be a cheaper option for TV and smartphone screens to produce the color — including blue — and light. Right now, the industry relies on iridium, an expensive precious metal, for LED light and color.
    Credit: Mark E. Thompson, USC Dornsife

    USC Dornsife chemists have found a cheaper way to light up smartphone and TV screens, which could save manufacturers and consumers money without affecting visual quality. Copper is the answer, according to their study, published Feb. 8 in the journal Science.

    “The current technology that is in every Samsung Galaxy phone, high-end Apple iPhone and LG TV relies on iridium compounds for the colors and light on OLED screens,” says Mark E...

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