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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Optics Lettersarrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
Optics Letters
Article . 2025 . Peer-reviewed
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Structural design and optimization of quantum dot color conversion layers for AR microdisplays

Authors: Shulin, Chen; Shuming, Zhang; Jiahao, Kang; Liang, Zhang; Runan, Zhang; Juejun, Xue; Ze, Yuan;

Structural design and optimization of quantum dot color conversion layers for AR microdisplays

Abstract

Augmented reality (AR) applications demand directionally high light conversion efficiency (LCE) from micro-LED quantum dot (QD) displays. We address this need by presenting a structural integration scheme that overcomes reabsorption loss and non-directional emission. Our comprehensive optical simulation study demonstrates that an optimal QD film thickness mitigates reabsorption, and integrating a side reflective bank and a top distributed Bragg reflector (DBR) significantly enhances LCE and improves light extraction. Crucially, by optimizing a micro-lens directly on the QD pixel, we achieve highly directional emission within a ±20 ∘ acceptance angle, increasing the ±20 ∘ LCE from 5.38% to an impressive 19.45%. Our findings reveal that combined structural engineering is essential for high-performance AR-compatible micro-LED QD displays.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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