Combinatorial color arrays based on optical micro-resonators in monolithic architecture

Area of Science:

• Optics and Photonics
• Materials Science
• Nanotechnology

Background:

• Fabry-Perot (FP) micro-resonators offer tunable optical properties.
• Monolithic integration of optical components is crucial for advanced devices.
• Controlling color generation at the microscale is key for display technologies.

Purpose of the Study:

• To demonstrate combinatorial color arrays using FP micro-resonators.
• To explore the fabrication and optical properties of these micro-resonator-based color elements.
• To showcase the potential of this technology in display applications.

Main Methods:

• Fabrication of optical micro-resonators using soluble dielectric materials between transreflective layers.
• Utilizing transfer-printing techniques (pattern-by-pattern and pattern-on-pattern).
• Investigating the influence of dielectric thickness and refractive index on color output.

Main Results:

• Successful creation of two types of combinatorial color arrays based on FP micro-resonators.
• Demonstrated control over color palette via dielectric material properties.
• Implemented light-blocking functionality using self-defined lateral gaps.
• Developed a prototype liquid crystal display incorporating the color array.

Conclusions:

• Monolithic integration of FP micro-resonators provides a versatile platform for color array generation.
• The developed technology is suitable for diverse visual applications, including displays and coloration devices.
• This approach offers a new pathway for creating advanced optical color elements.