Thermal and Photochemical Stability Studies of Color-Converted MicroLED Microdisplay Panels

The thermal and photochemical stabilities of colloidal quantum-dot (QD) nanophosphors incorporated into a blue microLED matrix by spin-cast deposition were investigated in this study. The optical characteristics of QDs-based color-converted microLEDs were also investigated in this study. The measure...

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Main Authors: Asim M. Noor Elahi, Zengzhi Pei, Peichen Yu, Jian Xu
Format: Article
Language:English
Published: IEEE 2023-01-01
Series:IEEE Photonics Journal
Subjects:
Online Access:https://ieeexplore.ieee.org/document/10138784/
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author Asim M. Noor Elahi
Zengzhi Pei
Peichen Yu
Jian Xu
author_facet Asim M. Noor Elahi
Zengzhi Pei
Peichen Yu
Jian Xu
author_sort Asim M. Noor Elahi
collection DOAJ
description The thermal and photochemical stabilities of colloidal quantum-dot (QD) nanophosphors incorporated into a blue microLED matrix by spin-cast deposition were investigated in this study. The optical characteristics of QDs-based color-converted microLEDs were also investigated in this study. The measurements performed in this work suggest the ultimate limit of QD performance in microLED devices. The findings from the stability evaluations encourage and motivate the employment of red, green QD color converters in blue microLED matrices to create full-color microLED devices. Such studies will be helpful in the design and the fabrication of high-efficiency and high-performance micro-LED microdisplay panels
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spelling doaj.art-b1c2a9fff4394fc8a533d9c3f49a4f3e2023-06-08T23:00:19ZengIEEEIEEE Photonics Journal1943-06552023-01-011531610.1109/JPHOT.2023.328157110138784Thermal and Photochemical Stability Studies of Color-Converted MicroLED Microdisplay PanelsAsim M. Noor Elahi0https://orcid.org/0000-0002-7003-6645Zengzhi Pei1Peichen Yu2https://orcid.org/0000-0002-4332-8933Jian Xu3Photonic and Optoelectronic Devices group, Department of Engineering Science and Mechanics, Pennsylvania State University, University Park, PA, USAPhotonic and Optoelectronic Devices group, Department of Engineering Science and Mechanics, Pennsylvania State University, University Park, PA, USAGreen Photonics Laboratory, Department of Photonics, National Chiao-Tung University, Hsinchu, TaiwanPhotonic and Optoelectronic Devices group, Department of Engineering Science and Mechanics, Pennsylvania State University, University Park, PA, USAThe thermal and photochemical stabilities of colloidal quantum-dot (QD) nanophosphors incorporated into a blue microLED matrix by spin-cast deposition were investigated in this study. The optical characteristics of QDs-based color-converted microLEDs were also investigated in this study. The measurements performed in this work suggest the ultimate limit of QD performance in microLED devices. The findings from the stability evaluations encourage and motivate the employment of red, green QD color converters in blue microLED matrices to create full-color microLED devices. Such studies will be helpful in the design and the fabrication of high-efficiency and high-performance micro-LED microdisplay panelshttps://ieeexplore.ieee.org/document/10138784/Color-converted MicroLEDsquantum dotsQD nanophosphorsthermal stabilityphotochemical stabilitycolorful MicroLED microdisplay panels
spellingShingle Asim M. Noor Elahi
Zengzhi Pei
Peichen Yu
Jian Xu
Thermal and Photochemical Stability Studies of Color-Converted MicroLED Microdisplay Panels
IEEE Photonics Journal
Color-converted MicroLEDs
quantum dots
QD nanophosphors
thermal stability
photochemical stability
colorful MicroLED microdisplay panels
title Thermal and Photochemical Stability Studies of Color-Converted MicroLED Microdisplay Panels
title_full Thermal and Photochemical Stability Studies of Color-Converted MicroLED Microdisplay Panels
title_fullStr Thermal and Photochemical Stability Studies of Color-Converted MicroLED Microdisplay Panels
title_full_unstemmed Thermal and Photochemical Stability Studies of Color-Converted MicroLED Microdisplay Panels
title_short Thermal and Photochemical Stability Studies of Color-Converted MicroLED Microdisplay Panels
title_sort thermal and photochemical stability studies of color converted microled microdisplay panels
topic Color-converted MicroLEDs
quantum dots
QD nanophosphors
thermal stability
photochemical stability
colorful MicroLED microdisplay panels
url https://ieeexplore.ieee.org/document/10138784/
work_keys_str_mv AT asimmnoorelahi thermalandphotochemicalstabilitystudiesofcolorconvertedmicroledmicrodisplaypanels
AT zengzhipei thermalandphotochemicalstabilitystudiesofcolorconvertedmicroledmicrodisplaypanels
AT peichenyu thermalandphotochemicalstabilitystudiesofcolorconvertedmicroledmicrodisplaypanels
AT jianxu thermalandphotochemicalstabilitystudiesofcolorconvertedmicroledmicrodisplaypanels