Novel Illumination Method for Leaky Mode Devices ID: 2019-035

This invention presents a groundbreaking method for simplifying the illumination process in leaky mode devices, significantly enhancing color display systems.

Technology Overview

The technology introduces a novel approach to illuminate leaky mode devices by utilizing substrate illumination of input coupling gratings. This method diverges from the traditional top-side illumination techniques, facilitating a single input angle for multiple colors. The innovation lies in its ability to efficiently couple multiple colors into target waveguide modes for leaky mode coupling using just one input angle, thereby streamlining the fabrication process and increasing the flexibility of color display systems.

Key Advantages

• Enables single input angle for multiple colors, simplifying the device architecture
• Improves fabrication ease and flexibility for color display systems
• Enhances the efficiency of coupling multiple colors into target waveguide modes
• Offers a simpler, more efficient solution to the previously complex issue of multi-angle illumination

Problems Addressed

• Eliminates the need for multiple input angles for different colors, addressing a significant challenge in traditional leaky mode device illumination
• Solves the complexity and limitations in fabricating color display systems with enhanced display quality

Additional Information

Technology ID: 2019-035
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Date Published: 28 March, 2025