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Dynamically Controlled Pupil Steering Method for Enhanced Light Efficiency in Head-Mounted Displays

This is a programmable backlight display for head-mounted displays that dynamically steers light to the viewer’s pupil based on real-time eye tracking. This method reduces power consumption by illuminating only the necessary region corresponding to the pupil location, while also improving brightness uniformity and efficiency. It also helps mitigate...

Published: 8/4/2025 | Inventor(s): Hong Hua, Pengyinjie Lyu

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics > Displays, Technology Classifications > Imaging & Optics > Lens & System Design

Perceptual-Driven Foveated Optical See-Through Head-Mounted Displays

This invention consists of the design and embodiments of a statically optical see through head-mounted displays (OST-HMDs) in which the angular pixel density decreases with the increase of the filed eccentricity according to a specified angular pixel density function. To facilitate the head-mounted display capability to simultaneously see the image...

Published: 6/27/2024 | Inventor(s): Hong Hua, Pengyinjie Lyu

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Displays