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    Fabrication Involved in Organic LED

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    Q1: Explain clearly the fabrication steps involved in the fabrication of Organic LED. (a
    full page)
    Q2: Compare the brightness of OLED quantitatively with semiconductor LED emitting in
    red, green and blue colors. (half a page)

    © BrainMass Inc. brainmass.com May 24, 2023, 1:25 pm ad1c9bdddf
    https://brainmass.com/physics/conduction/fabrication-involved-organic-led-20904

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    Fabrication of organic LED's
    Organic light emitting devices are made from organic compounds. Photoluminescence from an organic materials like PPV(p-phenylene vinylene) can be achieved. Recipes for Organic LED's usually use PPV (poly(p-phenylene vinylene)), which is a very simple molecule. The search for other ideal materials for organic light emitting devices is still going on. The materials of interest are conjugated polymers that have a delocalized-electron system along the polymer backbone to impart semiconductor like properties. These properties arise because of double or triple bonds that cause the overlap of orbitals.

    Making an OLED:
    The materials required for making an organic LED are:
    PPV poly(p-phenylene vinylene) --- thickness is approximately 100nm for spin cast film,
    1 m for drop ...

    Solution Summary

    The expert compares the brightness of OLED quantitatively with semiconductor LED emitting in red, green and blue colors.

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