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基于量子点颜色转换的微型发光二极管应用中，改性分布式布拉格反射器（DBR）和黄色滤光片影响的研究与比较

Investigation and comparison of the influence of modified DBR and yellow color filters for quantum dot color conversion-based micro LED applications.

作者信息

Dai Bao-Le, Ji Jing-Wei, Wu Bing-Han, Chen Kuan-An, Kuroda Hideki, Kou Hung-Chen, Akada Tomohiro, Li Chun-Yu

机构信息

Graduate School of Electronic Engineering and Technology, National Yunlin University of Science and Technology, Douliu, 640301, Taiwan.

SynthEdge Advanced Materials Corp. Ltd., Taoyuan, 327008, Taiwan.

出版信息

Heliyon. 2024 Aug 3;10(16):e35492. doi: 10.1016/j.heliyon.2024.e35492. eCollection 2024 Aug 30.

DOI:10.1016/j.heliyon.2024.e35492
PMID:39220994
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11363836/
Abstract

This study compares how a modified distributed Bragg reflector (DBR) and yellow color filter (Y-CF) increase the color purity, viewing angle, and brightness of the quantum dot color conversion layer (QDCC) for micro-LED displays. We designed and built a 53-layer high-performance modified DBR with almost total blue leakage filtering (T %: 0.16 %) and very high G/R band transmittance (T %: 96.97 %) for comparison. We also use a Y-CF that filters blue light (T %: 0.84 %) and has good G/R band transmittance (T %: 94.83 %). Due to DBR's angle dependency effect, the modified DBR/QDCC structure offers a remarkable color gamut (117.41 % NTSC) at the forward viewing angle, but this rapidly diminishes beyond 30°. The Y-CF/QDCC structure retains 116 % NTSC color at all viewing angles. Because of its consistent color performance at all viewing angles, sufficient brightness, and outstanding color gamut, the Y-CF/QDCC structure is the best option for contemporary QDCC-based micro-LED displays.

摘要

本研究比较了改进型分布式布拉格反射器（DBR）和黄色滤光片（Y-CF）如何提高用于微型发光二极管（micro-LED）显示器的量子点颜色转换层（QDCC）的颜色纯度、视角和亮度。为了进行比较，我们设计并构建了一个53层的高性能改进型DBR，其几乎能完全滤除蓝光泄漏（透过率T%：0.16%）且具有非常高的绿光/红光波段透过率（透过率T%：96.97%）。我们还使用了一种能滤除蓝光（透过率T%：0.84%）且具有良好绿光/红光波段透过率（透过率T%：94.83%）的Y-CF。由于DBR的角度依赖性效应，改进型DBR/QDCC结构在正视角下提供了显著的色域（117.41% NTSC），但在超过30°后迅速减小。Y-CF/QDCC结构在所有视角下都能保持116% NTSC的颜色。由于其在所有视角下具有一致的颜色性能、足够的亮度和出色的色域，Y-CF/QDCC结构是当代基于QDCC的微型发光二极管显示器的最佳选择。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/475d/11363836/cc0ae08e36ba/gr15.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/475d/11363836/e75c8a5189a5/gr10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/475d/11363836/d27956558239/gr11.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/475d/11363836/fd8238eb05f1/gr12.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/475d/11363836/b84d34623aec/gr13.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/475d/11363836/a5eb30b2494d/gr14.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/475d/11363836/cc0ae08e36ba/gr15.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/475d/11363836/8384c50da2b7/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/475d/11363836/17f0d01d3e78/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/475d/11363836/45c88b68aee2/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/475d/11363836/0b366cc3665b/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/475d/11363836/595bebf198e4/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/475d/11363836/60393858f6c8/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/475d/11363836/17acfa684212/gr7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/475d/11363836/62db6c403c34/gr8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/475d/11363836/0aed7de8f802/gr9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/475d/11363836/e75c8a5189a5/gr10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/475d/11363836/d27956558239/gr11.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/475d/11363836/fd8238eb05f1/gr12.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/475d/11363836/b84d34623aec/gr13.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/475d/11363836/a5eb30b2494d/gr14.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/475d/11363836/cc0ae08e36ba/gr15.jpg

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本文引用的文献

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Nanomaterials (Basel). 2023 Feb 8;13(4):661. doi: 10.3390/nano13040661.
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Freestanding High-Resolution Quantum Dot Color Converters with Small Pixel Sizes.具有小像素尺寸的独立式高分辨率量子点颜色转换器
ACS Appl Mater Interfaces. 2022 Nov 2;14(43):48995-49002. doi: 10.1021/acsami.2c14212. Epub 2022 Oct 23.
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Red and Green Quantum Dot Color Filter for Full-Color Micro-LED Arrays.用于全彩微型发光二极管阵列的红绿量子点彩色滤光片。
Micromachines (Basel). 2022 Apr 10;13(4):595. doi: 10.3390/mi13040595.
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Flexible Quantum-Dot Color-Conversion Layer Based on Microfluidics for Full-Color Micro-LEDs.基于微流体技术的用于全彩微型发光二极管的柔性量子点颜色转换层
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