Application of metasurface in future displays

Area of Science:

• Optics and Photonics
• Materials Science
• Display Technology

Background:

• Optical metasurfaces offer novel light modulation through artificial nanostructures.
• Current reviews lack a comprehensive link between meta-atom design and overall device performance.
• Metasurfaces show promise for overcoming limitations in traditional 3D display technologies.

Purpose of the Study:

• To provide the first cross-scale review connecting nanostructure-level phase-dispersion engineering to system-level figures-of-merit in 3D displays.
• To benchmark over 150 metasurface demonstrations (2019-2025) across computer-generated holography, light-field projection, and near-eye displays.
• To guide practitioners with practical lookup charts for material choice, meta-atom geometry, and display performance targets.

Main Methods:

• Reviewing phase modulation methods and structural resonance principles of metasurfaces.
• Examining metasurface applications in holographic displays and structural-color printing.
• Summarizing and discussing metasurface enhancements for holographic, light-field, and near-eye 3D display modalities.

Main Results:

• Development of practical lookup charts linking meta-atom design to display performance metrics (field-of-view, depth acuity, efficiency, form-factor).
• Demonstration of metasurfaces' ability to improve spatial resolution, diffraction efficiency, and field-of-view in light-field displays.
• Identification of key trends including AI-assisted inverse design, tunable platforms, and advanced architectures.

Conclusions:

• Metasurfaces provide a powerful platform for advancing 3D display technologies.
• The review offers a roadmap for commercialization, addressing current industry challenges.
• Future directions include AI-driven design, dynamic tunability, and novel architectural approaches for next-generation 3D displays.