Nvidia has patented a novel augmented reality (AR) glasses design that eliminates the traditional backlight system. The patent, titled "Backlight-free Augmented Reality Digital Holographic Technology" (US20250004275A1), was published by the United States Patent and Trademark Office on January 2, 2025.
Holographic Technology and Ambient Light
This innovative design uses a spatial light modulator combined with ambient light interference to generate AR visuals. Unlike older AR glasses that dim the entire lens, Nvidia's approach darkens only the specific areas needed for AR content, potentially improving power efficiency and user comfort.
Neural Network-Powered System
A neural network-based control system drives the spatial light modulator to create sharp and realistic virtual images. This design aims to address common issues found in existing AR glasses while maintaining the look and feel of regular eyewear.
AR Market and Competition
The AR glasses market is experiencing rapid growth, with major tech companies increasing their investments. Meta released its Orion glasses last year, and Samsung is rumored to announce its own AR headset at the Galaxy Unpacked event on January 22. Apple is also developing AR glasses, but their release isn't expected for three to five years.
Patent Disclaimer
As is often the case with patents, there's no guarantee that this technology will reach the market anytime soon. It may require further development before being ready for consumer use.
Source: Fast Technology (in Chinese)
