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Luminescent Down‐Conversion Semiconductor Quantum Dots and Aligned Quantum Rods for Liquid Crystal Displays

机译：液晶显示器的发光下转换半导体量子点和对准量子棒

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Herein, emerging applications of luminescent semiconductor nanocrystals are addressed, such as quantum dots and quantum rods as down‐conversion materials used in liquid crystal displays (LCD). Their precisely tunable emission wavelengths and narrow emission bandwidths offer high color purity resulting in a wide color gamut with vivid colors for LCDs. Anisotropic materials, such as quantum rods, have the additional 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 rods, and the challenges and progress in their assembly are discussed. Different techniques for quantum rod alignment are introduced such as shear‐oriented, electric field and magnetic field assisted assembly, mechanical rubbing, stretching, and electrospinning. The photoalignment approach allows for an easy arrangement of quantum rods in‐plane, and the implications of this method to patterning are considered. Different configurations of LCDs utilizing semiconductor quantum dots and quantum rods as down‐conversion layers are also presented, and the potential applications that are enabled by the wide range of emerging materials are highlighted.
机译：在此，解决了发光半导体纳米晶体的新兴应用，例如作为液晶显示器（LCD）中使用的下转换材料的量子点和量子棒。它们具有精确可调的发射波长和窄的发射带宽，可提供高色纯度，从而为LCD带来宽广的色域和鲜艳的色彩。各向异性材料，例如量子棒，具有偏振发射的其他优点，可以显着提高LCD显示器的效率。考虑了这些纳米材料的基本光学性质，重点是量子棒，并讨论了其组装方面的挑战和进展。引入了多种量子棒对准技术，例如剪切定向，电场和磁场辅助组装，机械摩擦，拉伸和静电纺丝。光对准方法允许量子棒在平面内的轻松布置，并考虑了该方法对图案化的影响。还介绍了利用半导体量子点和量子棒作为下转换层的LCD的不同配置，并强调了新兴材料的广泛应用所带来的潜在应用。

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