Applied Materials, Inc. (20240337789). SLAB WAVEGUIDE LAYER FOR ENHANCED NEAR-EYE-DISPLAY SURFACE RELIEF GRATING LIGHTGUIDE simplified abstract
Contents
SLAB WAVEGUIDE LAYER FOR ENHANCED NEAR-EYE-DISPLAY SURFACE RELIEF GRATING LIGHTGUIDE
Organization Name
Inventor(s)
Kevin Messer of Mountain View CA (US)
David Alexander Sell of Santa Clara CA (US)
Samarth Bhargava of Saratoga CA (US)
SLAB WAVEGUIDE LAYER FOR ENHANCED NEAR-EYE-DISPLAY SURFACE RELIEF GRATING LIGHTGUIDE - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240337789 titled 'SLAB WAVEGUIDE LAYER FOR ENHANCED NEAR-EYE-DISPLAY SURFACE RELIEF GRATING LIGHTGUIDE
The patent application relates to augmented reality waveguide combiners, specifically focusing on waveguides with unique properties for improved performance.
- Waveguide substrate with a specific refractive index (RI) n.
- Slab waveguide layer above the substrate with a different RI n and a defined depth d.
- Presence of at least one grating structure on or within the slab waveguide layer.
- Superstrate material between the grating structures with its own RI n.
- The slab RI is higher than both the substrate RI and the superstrate RI.
Potential Applications: - Augmented reality headsets - Heads-up displays in vehicles - Medical imaging devices
Problems Solved: - Enhanced optical performance in waveguide combiners - Reduction of optical distortions - Improved image clarity and brightness
Benefits: - Clearer and brighter augmented reality visuals - Enhanced user experience in various applications - Increased efficiency in displaying digital information
Commercial Applications: Augmented reality technology companies can utilize this innovation to create advanced headsets for various industries, including gaming, healthcare, and automotive sectors.
Questions about augmented reality waveguide combiners: 1. How does the unique design of the waveguide combiners improve optical performance? 2. What are the potential challenges in mass-producing waveguide combiners with these specifications?
Frequently Updated Research: Researchers are continually exploring new materials and manufacturing techniques to further enhance the performance of waveguide combiners in augmented reality devices.
Original Abstract Submitted
embodiments of the present disclosure generally relate to augmented reality waveguide combiners. the waveguides includes a waveguide substrate, having a substrate refractive index (ri) n, a slab waveguide layer disposed over the waveguide substrate, the slab waveguide layer having a slab ri nand a slab depth d, the slab depth dfrom a lower surface to an upper surface of the slab waveguide layer, at least one grating defined by a plurality of grating structures, the grating structures are disposed in, on, or over the slab waveguide layer, and a superstrate between and over the grating structures, the superstrate having a superstrate ri nand an interface with the slab waveguide layer. the slab ri nis greater than the substrate ri nand the slab ri nis greater than the superstrate ri n.
