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Optica Publishing Group
  • Journal of Display Technology
  • Vol. 9,
  • Issue 6,
  • pp. 419-426
  • (2013)

Quantum-Dot-Based Solid-State Lighting With Electric-Field-Tunable Chromaticity

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Abstract

Solid-state lighting is currently based on blue light-emitting diodes combined with wavelength downconversion via phosphors. Replacing the phosphors with quantum dots has a number of potential advantages, including narrowband and size-tailorable emission spectra. Here, we point out another advantage: the ability to perform real-time tuning of chromaticity of solid-state lighting by altering quantum dot absorption or emission wavelengths and oscillator strengths using electric fields. We discuss a possible architecture for such a solid-state lamp, and the chromaticity ranges that could be obtained for given ranges of absorption or emission wavelength and oscillator strength changes.

© 2013 IEEE

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