View source for Applied Materials, Inc. (20240337789). SLAB WAVEGUIDE LAYER FOR ENHANCED NEAR-EYE-DISPLAY SURFACE RELIEF GRATING LIGHTGUIDE simplified abstract

=SLAB WAVEGUIDE LAYER FOR ENHANCED NEAR-EYE-DISPLAY SURFACE RELIEF GRATING LIGHTGUIDE=


==Organization Name==

[[:Category:Applied Materials, Inc.|Applied Materials, Inc.]]


[[Category:Applied Materials, Inc.]]

==Inventor(s)==

[[:Category:Kevin Messer of Mountain View CA (US)|Kevin Messer of Mountain View CA (US)]][[Category:Kevin Messer of Mountain View CA (US)]]

[[:Category:David Alexander Sell of Santa Clara CA (US)|David Alexander Sell of Santa Clara CA (US)]][[Category:David Alexander Sell of Santa Clara CA (US)]]

[[:Category:Samarth Bhargava of Saratoga CA (US)|Samarth Bhargava of Saratoga CA (US)]][[Category: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.



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