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      Color science of nanocrystal quantum dots for lighting and displays

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      Author
      Erdem, T.
      Demir, Hilmi Volkan
      Date
      2013-02
      Source Title
      Nanophotonics
      Print ISSN
      2192-8614
      Publisher
      De Gruyter
      Volume
      2
      Issue
      1
      Pages
      57 - 81
      Language
      English
      Type
      Review
      Item Usage Stats
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      Abstract
      Colloidal nanocrystals of semiconductor quantum dots (QDs) are gaining prominence among the optoelectronic materials in the photonics industry. Among their many applications, their use in artificial lighting and displays has attracted special attention thanks to their high efficiency and narrow emission band, enabling spectral purity and fine tunability. By employing QDs in color-conversion LEDs, it is possible to simultaneously accomplish successful color rendition of the illuminated objects together with a good spectral overlap between the emission spectrum of the device and the sensitivity of the human eye, in addition to a warm white color, in contrast to other conventional sources such as incandescent and fluorescent lamps, and phosphor-based LEDs, which cannot achieve all of these properties at the same time. In this review, we summarize the color science of QDs for lighting and displays, and present the recent developments in QD-integrated LEDs and display research. First, we start with a general introduction to color science, photometry, and radiometry. After presenting an overview of QDs, we continue with the spectral designs of QD-integrated white LEDs that have led to efficient lighting for indoor and outdoor applications. Subsequently, we discuss QD color-conversion LEDs and displays as proof-of-concept applications - a new paradigm in artificial lighting and displays. Finally, we conclude with a summary of research opportunities and challenges along with a future outlook.
      Keywords
      Quantum Dots
      Nanocrysrtals
      Light Emitting Diodes
      Color Science
      Photometry
      Displays
      Permalink
      http://hdl.handle.net/11693/12119
      Published Version (Please cite this version)
      http://dx.doi.org/10.1515/nanoph-2012-0031
      Collections
      • Department of Electrical and Electronics Engineering 3613
      • Department of Physics 2345
      • Institute of Materials Science and Nanotechnology (UNAM) 1858
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