Monolithic Red/Green/Blue Micro-LEDs With HBR and DBR Structures
Publication type: Journal Article
Publication date: 2018-02-01
scimago Q2
wos Q2
SJR: 0.687
CiteScore: 4.9
Impact factor: 2.5
ISSN: 10411135, 19410174
Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering
Abstract
In this letter, monolithic red, green, and blue (RGB) micro light-emitting diodes (LEDs) were fabricated using gallium nitride based blue micro LEDs and quantum dots (QDs). Red and green QDs were sprayed onto individual region surrounded by patterned black matrix photoresist on the blue micro LEDs to form color conversion layers. Owing to its light-blocking capability, the patterned black matrix photoresist improved the contrast ratio of the micro LEDs from 11 to 22. To enhance the color conversion efficiency and the light output intensity, a hybrid Bragg reflector (HBR) was deposited on the bottom side of the monolithic RGB micro LEDs, thus reflecting the RGB light emitted to the substrate. To further improve the color purity of the red and green light, a distributed Bragg reflector (DBR) with high reflection for the blue light was deposited on the top side of the QDs/micro LEDs. The red and green light output intensities of the micro LEDs with HBR and DBR were enhanced by about 27%.
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Total citations:
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Citations from 2024:
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Chen G. S. et al. Monolithic Red/Green/Blue Micro-LEDs With HBR and DBR Structures // IEEE Photonics Technology Letters. 2018. Vol. 30. No. 3. pp. 262-265.
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Chen G. S., Wei B. Yu., Lee C., Lee H. Monolithic Red/Green/Blue Micro-LEDs With HBR and DBR Structures // IEEE Photonics Technology Letters. 2018. Vol. 30. No. 3. pp. 262-265.
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TY - JOUR
DO - 10.1109/lpt.2017.2786737
UR - https://doi.org/10.1109/lpt.2017.2786737
TI - Monolithic Red/Green/Blue Micro-LEDs With HBR and DBR Structures
T2 - IEEE Photonics Technology Letters
AU - Chen, Guan Syun
AU - Wei, Bo Yu
AU - Lee, Ching-Wei
AU - Lee, Hsin-Ying
PY - 2018
DA - 2018/02/01
PB - Institute of Electrical and Electronics Engineers (IEEE)
SP - 262-265
IS - 3
VL - 30
SN - 1041-1135
SN - 1941-0174
ER -
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BibTex (up to 50 authors)
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@article{2018_Chen,
author = {Guan Syun Chen and Bo Yu Wei and Ching-Wei Lee and Hsin-Ying Lee},
title = {Monolithic Red/Green/Blue Micro-LEDs With HBR and DBR Structures},
journal = {IEEE Photonics Technology Letters},
year = {2018},
volume = {30},
publisher = {Institute of Electrical and Electronics Engineers (IEEE)},
month = {feb},
url = {https://doi.org/10.1109/lpt.2017.2786737},
number = {3},
pages = {262--265},
doi = {10.1109/lpt.2017.2786737}
}
Cite this
MLA
Copy
Chen, Guan Syun, et al. “Monolithic Red/Green/Blue Micro-LEDs With HBR and DBR Structures.” IEEE Photonics Technology Letters, vol. 30, no. 3, Feb. 2018, pp. 262-265. https://doi.org/10.1109/lpt.2017.2786737.