Quantum-dot-based full-color micro-LED displays

Tingzhu Wu, Yu Ming Huang, James Singh Konthoujam, Zhong Chen, Hao Chung Kuo*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review


Quantum dots (QDs) are used in displays as they have several advantages including high illumination efficiency and color rendering, low cost, and mass production capacity. The excellent luminescence and transport charging properties of QDs have resulted in their use in QD-based light emitting diodes (LEDs), which have gained significant interest in display and solid-state lighting applications. In this article, we discuss the fabrication of full-color μLED devices using QDs by techniques such as inkjet printing and quantum dots photoresist (QDPR). Fabrication with the photoresist matrices reduces the crosstalk effect and optimizes the optical efficiency. Alternatively, nanoring structures and inkjet printing can be combined to achieve full-color monolithic LEDs. Additionally, the QDPR method can be easily scaled up as it is compatible with traditional photolithography and deposition of different thicknesses of QDPR on semipolar μLED can achieve wavelength stability. Finally, the enhanced full-color applications of highly effective QD μLEDs are presented.

Original languageEnglish
Title of host publicationSemiconductors and Semimetals
PublisherAcademic Press Inc.
StateAccepted/In press - 2021

Publication series

NameSemiconductors and Semimetals
ISSN (Print)0080-8784


  • Full-color display
  • High efficiency
  • Micro-LED
  • Quantum dots

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