Luminescent Down-Conversion Semiconductor Quantum Dots and Aligned Quantum Rods for Liquid Crystal Displays
Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
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Detail(s)
Original language | English |
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Article number | 1901345 |
Journal / Publication | Advanced Science |
Volume | 6 |
Issue number | 22 |
Online published | 11 Oct 2019 |
Publication status | Published - 20 Nov 2019 |
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DOI | DOI |
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Attachment(s) | Documents
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Link to Scopus | https://www.scopus.com/record/display.uri?eid=2-s2.0-85074042768&origin=recordpage |
Permanent Link | https://scholars.cityu.edu.hk/en/publications/publication(7f0d8d72-6ec2-4677-8232-9cb6c65c6b88).html |
Abstract
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.
Research Area(s)
- light emission, liquid crystal displays, photoalignment, quantum dots, quantum rods
Citation Format(s)
Luminescent Down-Conversion Semiconductor Quantum Dots and Aligned Quantum Rods for Liquid Crystal Displays. / Srivastava, Abhishek K.; Zhang, Wanlong; Schneider, Julian et al.
In: Advanced Science, Vol. 6, No. 22, 1901345, 20.11.2019.
In: Advanced Science, Vol. 6, No. 22, 1901345, 20.11.2019.
Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
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