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Luminescent Semi-conductor Quantum Dots | Open Access Journals
Journal of Electrical & Electronic Systems

Journal of Electrical & Electronic Systems

ISSN: 2332-0796

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Luminescent Semi-conductor Quantum Dots

Here, emerging applications of luminescent semiconductor nanocrystals such as quantum dots and quantum bars as downconverting materials used in liquid crystal displays (LCDs) are addressed. Its precisely adjustable emission wavelengths and narrow emission bandwidths offer high color purity, resulting in a wide color gamut with vivid colors for LCD displays. Anisotropic materials, such as quantum bars, have the added advantage of polarized emission, which can bring a significant improvement to the efficiency of LCD displays. The basic optical properties of these nanomaterials are considered, with a focus on quantum bars, and the challenges and progress in their assembly are discussed. Different techniques for quantum rod alignment are introduced, such as shear-assisted assembly, electric field and magnetic field, mechanical rubbing, stretching, and electrospinning. The photoalignment approach allows easy arrangement of the quantum bars in the plane, and the implications of this method for the pattern are considered. Different LCD configurations that use semiconductor quantum dots and quantum bars as downconverting layers are also introduced, and possible applications that are enabled by the wide range of emerging materials are highlighted.

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Citations: 733

Journal of Electrical & Electronic Systems received 733 citations as per Google Scholar report

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