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<p>Halide perovskite nanocrystals are highly attractive luminescent materials for next-generation displays due to their outstanding properties, including high photoluminescence quantum yield, excellent color purity, tunable emission wavelengths, and cost-effective solution processability. Their exceptional color purity enables full coverage of the ultra-wide color gamut required for vivid visual experiences in modern display technologies. Light-emitting diodes based on perovskite nanocrystal films have demonstrated external quantum efficiencies exceeding 25%. However, significant performance degradation arises during the pixelation process, a critical step in fabricating high-resolution display devices. Here, we review recent progress and ongoing challenges in advancing perovskite nanocrystal light-emitting diodes for high-resolution applications. We highlight state-of-the-art patterning techniques, stability enhancement strategies, and fundamental causes of&#xa0; efficiency loss, together with progress in integrating devices with thin-film transistor circuits for active-matrix displays. Finally, we discuss future perspectives and key challenges for advancing perovskite nanocrystal light-emitting diodes towards next-generation high-resolution display technologies.</p>

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Advancing perovskite nanocrystals for high-resolution LED displays

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年12月4日

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  • Yue Zhao,
  • Bo-Hyun Choi,
  • Eonsu Kim,
  • Qingsen Zeng,
  • Tae-Woo Lee

摘要

Halide perovskite nanocrystals are highly attractive luminescent materials for next-generation displays due to their outstanding properties, including high photoluminescence quantum yield, excellent color purity, tunable emission wavelengths, and cost-effective solution processability. Their exceptional color purity enables full coverage of the ultra-wide color gamut required for vivid visual experiences in modern display technologies. Light-emitting diodes based on perovskite nanocrystal films have demonstrated external quantum efficiencies exceeding 25%. However, significant performance degradation arises during the pixelation process, a critical step in fabricating high-resolution display devices. Here, we review recent progress and ongoing challenges in advancing perovskite nanocrystal light-emitting diodes for high-resolution applications. We highlight state-of-the-art patterning techniques, stability enhancement strategies, and fundamental causes of  efficiency loss, together with progress in integrating devices with thin-film transistor circuits for active-matrix displays. Finally, we discuss future perspectives and key challenges for advancing perovskite nanocrystal light-emitting diodes towards next-generation high-resolution display technologies.