Evidence map›Paper›PMID 40183876›Full record

ArticleDiscover nano2025

Optimization of dispersion angle in resonant cavity micro-light-emitting diode using multilayer DBR and microlens structures.

Tzu-Yi Lee, Chien-Chi Huang, Fu-He Hsiao, Chin-Wei Sher, Gong-Ru Lin, Li-Yin Chen, Fang-Chung Chen, Chia-Feng Lin, Jr-Hau He, Kuo-Bin Hong and 2 more

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In one paragraph

Article in Discover nano, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
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1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors.

Tzu-Yi Lee *Department of Photonics, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu, 30010, Taiwan.
Chien-Chi Huang *Department of Photonics, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu, 30010, Taiwan.
Fu-He HsiaoSemiconductor Research Center, Hon Hai Research Institute, Taipei, 11492, Taiwan.
Chin-Wei SherSemiconductor Research Center, Hon Hai Research Institute, Taipei, 11492, Taiwan.
Gong-Ru LinDepartment of Electrical Engineering, Graduate Institute of Photonics and Optoelectronics, National Taiwan University, Taipei, Taiwan.
Li-Yin ChenDepartment of Photonics, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu, 30010, Taiwan.
Fang-Chung ChenDepartment of Photonics, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu, 30010, Taiwan.
Chia-Feng LinDepartment of Materials Science and Engineering, National Chung Hsing University, Taichung, Taiwan.
Jr-Hau HeDepartment of Materials Science and Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong.
Kuo-Bin HongSemiconductor Research Center, Hon Hai Research Institute, Taipei, 11492, Taiwan. robin.kb.hong@foxconn.com.
Yu-Heng HongSemiconductor Research Center, Hon Hai Research Institute, Taipei, 11492, Taiwan. enoch.yh.hong@foxconn.com.
Hao-Chung KuoDepartment of Photonics, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu, 30010, Taiwan. hckuo0206@nycu.edu.tw.

Funding

National Science and Technology Council NSTC 112-2221-E-A49 -142 -MY3
6 · The paper itself

Abstract

In this paper, the fabrication and the corresponding performance characteristics of resonant cavity micro-light-emitting diodes (RC-μ-LEDs) are examined, with particular emphasis placed on reducing the light emission angle to enhance their application efficiency. A stepped quantum well structure and a multilayer aperture distributed Bragg reflector (DBR) are used to reduce the light emission angle, and two different approaches are investigated: one is by adding a multilayer DBR structure, and the other is by incorporating a microlens (ML) structure. The experimental results show that both adjusting the DBR cycles and adding microlenses can effectively reduce the dispersion angle of light emission, and thus improving the directionality of light, wavelength stability, and the overall device performance. Such highly directional light sources offer great solutions for optical communications, micro-LEDs, and augmented reality (AR) applications.

Indexed as

Distributed bragg reflectorMicrolensMicro resonant cavity light emitting diode

Identifiers

PMID40183876
PMCPMC11971102

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LicenceCC BY-NC-ND
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.