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具有黄色荧光粉板和红色量子点薄膜的垂直堆叠白色发光二极管的结构优化

Structural Optimization of Vertically-Stacked White LEDs with a Yellow Phosphor Plate and a Red Quantum-Dot Film.

作者信息

Hong Seung Chan, Ko Jae-Hyeon

机构信息

School of Nano Convergence Technology, Nano Convergence Technology Center, Hallym University, Chuncheon 24252, Korea.

出版信息

Nanomaterials (Basel). 2022 Aug 18;12(16):2846. doi: 10.3390/nano12162846.

DOI:10.3390/nano12162846
PMID:36014714
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9414739/
Abstract

A remote-type white light-emitting diode (LED) consisting of a red quantum-dot (QD) film and a yellow phosphor plate was studied by both experiment and optical simulation. The sequence of the two color-conversion films had a substantial effect on the color-rendering properties of the vertically-stacked white LED, and the optimized configuration exhibited a high color rendering index of more than 90 thanks to the enhanced red component via the QD film. For the design of high-power white LED devices of a remote type, it was necessary to locate the color-conversion films below the diffuser plate to remove the substantial color dispersion depending on the viewing angle. The present study shows that high power and high color-rendering white LED devices can be realized in terms of two vertically-stacked color-conversion materials, which would provide long-term stability due to the remote design.

摘要

通过实验和光学模拟研究了一种由红色量子点（QD）薄膜和黄色荧光粉板组成的远程型白色发光二极管（LED）。两种颜色转换薄膜的顺序对垂直堆叠白色LED的显色性能有重大影响，由于通过QD薄膜增强了红色成分，优化后的配置显示出超过90的高显色指数。对于远程型高功率白色LED器件的设计，有必要将颜色转换薄膜放置在扩散板下方，以消除取决于视角的显著颜色色散。本研究表明，通过两种垂直堆叠的颜色转换材料可以实现高功率和高显色性的白色LED器件，由于采用了远程设计，这种器件将具有长期稳定性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/d0a5b3c6748a/nanomaterials-12-02846-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/1a03e0062c67/nanomaterials-12-02846-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/437674b357ed/nanomaterials-12-02846-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/c1fa3265a0b4/nanomaterials-12-02846-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/7553b3662800/nanomaterials-12-02846-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/f2a40aa7d882/nanomaterials-12-02846-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/1ba25807ca94/nanomaterials-12-02846-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/aad839291c57/nanomaterials-12-02846-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/ab9bed69595f/nanomaterials-12-02846-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/a2f711f6f10f/nanomaterials-12-02846-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/2b85a4e487f3/nanomaterials-12-02846-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/d0a5b3c6748a/nanomaterials-12-02846-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/1a03e0062c67/nanomaterials-12-02846-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/437674b357ed/nanomaterials-12-02846-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/c1fa3265a0b4/nanomaterials-12-02846-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/7553b3662800/nanomaterials-12-02846-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/f2a40aa7d882/nanomaterials-12-02846-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/1ba25807ca94/nanomaterials-12-02846-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/aad839291c57/nanomaterials-12-02846-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/ab9bed69595f/nanomaterials-12-02846-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/a2f711f6f10f/nanomaterials-12-02846-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/2b85a4e487f3/nanomaterials-12-02846-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1021/9414739/d0a5b3c6748a/nanomaterials-12-02846-g011.jpg

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Quantum-dot and organic hybrid tandem light-emitting diodes with multi-functionality of full-color-tunability and white-light-emission.具有全色可调性和白光发射多功能性的量子点与有机混合串联发光二极管。
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