Journal
OPTICS LETTERS
Volume 46, Issue 14, Pages 3476-3479Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.430021
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Funding
- Key Laboratory of Energy Conversion and Storage Technologies
- State Key Laboratory of High Performance Complex Manufacturing [ZZYJKT2021-11]
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This study proposes a single-chip micro-LED display technology with unidirectional emission through the integration of a resonant cavity and metasurface, which can achieve efficient naked-eye 3D display with a wide viewing angle and multiple viewpoints. The research promotes the application of GaN-based micro-LEDs in displays, especially in 3D displays.
Naked-eye 3D micro-LED display combines the 3D characteristics and advantages of micro-LED simultaneously. A conventional micro-LED device emission exhibits Lambertian distribution, and it requires stacking of multiple optical components into a 3D display, resulting in bulky systems, low efficiency, and a limited viewing zone and points. We propose and investigate a single-chip micro-LED with unidirectional emission through an in-situ integrated resonant cavity and metasurface, which has great potential to be used for an efficient naked-eye 3D display with a wide viewing angle and multiple viewpoints. This Letter promotes the application of GaN-based micro-LEDs in a display, especially a 3D display. (C) 2021 Optical Society of America
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