Snap Inc. (20240313140). WAVEGUIDE EDGE HAVING REDUCED REFLECTIVITY simplified abstract
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WAVEGUIDE EDGE HAVING REDUCED REFLECTIVITY
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WAVEGUIDE EDGE HAVING REDUCED REFLECTIVITY - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240313140 titled 'WAVEGUIDE EDGE HAVING REDUCED REFLECTIVITY
The abstract describes an augmented reality system with a waveguide that guides light towards an edge surface. The edge surface includes a reflectivity-reducing film made of a curable material that is cured on a dissolvable film and then adhered to the edge surface.
- Waveguide with edge surface and opposing light-guiding surfaces
- Reflectivity-reducing film on the edge surface
- Curable material cured on a dissolvable film to form the film
- Nanostructures on the edge surface to reduce reflectivity
- Adhered to the edge surface with a primer layer
Potential Applications: - Augmented reality devices - Head-mounted displays - Optical systems
Problems Solved: - Reducing reflectivity on edge surfaces - Enhancing the performance of augmented reality systems
Benefits: - Improved image quality - Enhanced user experience - Increased efficiency of light guiding
Commercial Applications: Title: Enhanced Waveguides for Augmented Reality Systems This technology can be used in the development of advanced augmented reality devices for various industries such as gaming, healthcare, and engineering. It can also be applied in the production of high-quality optical systems for commercial and industrial use.
Questions about the technology: 1. How does the reflectivity-reducing film improve the performance of the waveguide? 2. What are the potential challenges in mass-producing waveguides with nanostructures for commercial applications?
Original Abstract Submitted
an augmented reality system can include a waveguide having an edge surface that extends between opposing light-guiding surfaces. the waveguide can guide light toward the edge surface. the waveguide can include a reflectivity-reducing film, such as an absorptive film or a photovoltaic film, disposed on the edge surface. to form the reflectivity-reducing film, curable material can be disposed onto a dissolvable film. the curable material can be cured while disposed on the dissolvable film such that the cured material forms a reflectivity-reducing structure on the dissolvable film. the dissolvable film can be dissolved such that the reflectivity-reducing structure remains intact as a reflectivity-reducing film that can be adhered to the edge surface, such as with a primer layer. the edge surface can include nanostructures, sized smaller than half a wavelength of the guided light, that can reduce a reflectivity of the edge surface.
