Applied Physics Letters

Red micro-LEDs on glass substrates for ultrahigh-luminance (>105 nits) transparent displays

C Changdong Tong (National Innovation Platform for the Fusion of Industry and Education in Integrated Circuits, Department of Electronic Science, School of Electronic Science and Engineering, Xiamen University , Xiamen 361005,) W Wenjie He J Jinfeng Zhang B Bo Li Y Yurong Dai (National Innovation Platform for the Fusion of Industry and Education in Integrated Circuits, Department of Electronic Science, School of Electronic Science and Engineering, Xiamen University , Xiamen 361005,) G Guolong Chen Y Yijun Lu T Tingzhu Wu (Department of Electronic Science, Fujian Engineering Research Center for Solid-State Lighting, Xiamen University 1 , Xiamen 361005,) Z Zhong Chen W Weijie Guo (Department of Molecular Biosciences)

Abstract

AlGaInP-based red micro-light-emitting diodes (micro-LEDs) with lateral dimensions of 28 × 52 µm2 were fabricated on transparent glass substrates via solder bonding for high-performance transparent displays. The fabricated devices exhibited excellent spectral stability, featuring a record-low wavelength redshift coefficient of less than 0.126 nm/K. Notably, the glass-substrate-integrated micro-LED arrays achieved an optical transmittance of 52.6% alongside a record-high luminance of 1.5 × 105 nits, underscoring their great potential for practical transparent display applications.

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Article Details

Volume / Issue Vol. 128, Issue 2
Published January 12, 2026
ISSN 0003-6951
Publisher American Institute of Physics

Journal Info

Applied Physics Letters

American Institute of Physics
ISSN: 0003-6951 Physical Sciences

Authors (10)

C

Changdong Tong

National Innovation Platform for the Fusion of Industry and Education in Integrated Circuits, Department of Electronic Science, School of Electronic Science and Engineering, Xiamen University , Xiamen 361005,

W

Wenjie He

J

Jinfeng Zhang

B

Bo Li

Y

Yurong Dai

National Innovation Platform for the Fusion of Industry and Education in Integrated Circuits, Department of Electronic Science, School of Electronic Science and Engineering, Xiamen University , Xiamen 361005,

G

Guolong Chen

Y

Yijun Lu

T

Tingzhu Wu

Department of Electronic Science, Fujian Engineering Research Center for Solid-State Lighting, Xiamen University 1 , Xiamen 361005,

Z

Zhong Chen

W

Weijie Guo

Department of Molecular Biosciences

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