Methods and system for creating focal planes in virtual and augmented reality

WH Welch, RD TeKolste, H Chung… - US Patent 9,857,591, 2018 - Google Patents
Configurations are disclosed for presenting virtual reality and augmented reality
experiences to users. The system may comprise a spatial light modulator operatively …

Methods and systems for displaying stereoscopy with a freeform optical system with addressable focus for virtual and augmented reality

C Gao, H Hua - US Patent 10,156,722, 2018 - Google Patents
Several unique hardware configurations and methods for freeform optical display systems
are disclosed. A freeform display system includes primary freeform optical element (s) and …

Multi-focal display system and method

WH Welch - US Patent 10,386,636, 2019 - Google Patents
Configurations are disclosed for presenting virtual reality and augmented reality
experiences to users. The system may comprise an accommodation tracking module to track …

Multi-focal display system and method

HC Cheng - US Patent 10,317,690, 2019 - Google Patents
Configurations are disclosed for presenting virtual reality and augmented reality
experiences to users. The system may comprise a scanning device for scanning one or …

Wearable 3D augmented reality display

H Hua, B Javidi - US Patent 10,326,983, 2019 - Google Patents
US10326983B2 - Wearable 3D augmented reality display - Google Patents
US10326983B2 - Wearable 3D augmented reality display - Google Patents Wearable 3D …

Systems and methods for augmented reality

BT Schowengerdt, MD Watson - US Patent 11,067,797, 2021 - Google Patents
An augmented reality system includes a light source configured to generate a virtual light
beam. The system also includes a light guiding optical element having an entry portion, an …

Wearable 3d augmented reality display with variable focus and/or object recognition

H Hua, B Javidi - US Patent 10,469,833, 2019 - Google Patents
US10469833B2 - Wearable 3D augmented reality display with variable focus and/or object
recognition - Google Patents US10469833B2 - Wearable 3D augmented reality display with …

3-dimensional electro-optical see-through displays

H Hua, S Liu - US Patent 11,079,596, 2021 - Google Patents
An exemplary display is placed in an optical pathway extending from an entrance pupil of a
person's eye to a real-world scene beyond the eye. The display includes at least one 2-D …

Optical see-through free-form head-mounted display

D Cheng, H Hua, Y Wang - US Patent 10,416,452, 2019 - Google Patents
US10416452B2 - Optical see-through free-form head-mounted display - Google Patents
US10416452B2 - Optical see-through free-form head-mounted display - Google Patents …

Virtual and augmented reality systems and methods having improved diffractive grating structures

RD TeKolste, MA Klug, PM Greco… - US Patent …, 2018 - Google Patents
Disclosed is an improved diffraction structure for 3D display systems. The improved
diffraction structure includes an intermediate layer that resides between a waveguide …