Abstract: Described are various embodiments of a light field device and vision-based testing system using same. Different embodiments provide for a vision-based testing device comprising a one or more view zone optimization techniques such as, but not limited to, a predominant view zone isolator, a view zone output realignment solution, and a coarse view zone adjustment transfer solution, as well as other view zone artefact reduction techniques and multi-depth perception adjustment techniques.
Type:
Grant
Filed:
September 30, 2022
Date of Patent:
July 15, 2025
Assignee:
EVOLUTION OPTIKS LIMITED
Inventors:
Faleh Mohammad Faleh Altal, Raul Mihali, Guillaume Lussier
Abstract: Described are various embodiments of a device to subjectively assess a user's reduced visual acuity. In one embodiment, the device comprises: a digital display; a lenslet array disposed relative to the digital display to shape a light field emanating therefrom; and a hardware processor. The hardware processor operates on pixel data for respective optotypes to output respectively adjusted pixel data to be rendered side-by-side by the digital display via the lenslet array so to respectively adjust user perception of the respective optotypes as rendered therethrough to thereby render, side-by-side, distinctly perceptively adjusted optotypes corresponding to respective visual corrections to subjectively assess the user's reduced visual acuity.
Type:
Grant
Filed:
May 10, 2024
Date of Patent:
May 6, 2025
Assignee:
EVOLUTION OPTIKS LIMITED
Inventors:
Guillaume Lussier, Raul Mihali, Yaiza Garcia, Matej Goc, Daniel Gotsch
Abstract: Described are various embodiments of a light field vision testing device, adjusted pixel rendering method and computer-readable medium therefor, and vision testing system and method using same. In one embodiment, a device or computer-implemented method is provided to dynamically adjust user perception of an input image to be rendered via a set of digital display pixels and a corresponding array of light field shaping elements until an optimal visual acuity level is identified.
Type:
Grant
Filed:
March 1, 2024
Date of Patent:
May 6, 2025
Assignee:
EVOLUTION OPTIKS LIMITED
Inventors:
Daniel Gotsch, Guillaume Lussier, Matej Goc, Yaiza Garcia, Raul Mihali
Abstract: Described are various embodiments of a light field display and vibrating light field shaping layer therefor, adjusted pixel rendering method therefor, and vision testing and/or correction system and method using same.
Abstract: Described are various embodiments of process, system and device to automatically adjust user perception of an input, whereby and adjusted image perception value is variably defined for different input locations to create at least one of a multi-focal effect, a progressive perception adjustment, or the like.
Type:
Grant
Filed:
September 13, 2023
Date of Patent:
October 8, 2024
Assignee:
EVOLUTION OPTIKS LIMITED
Inventors:
Guillaume Lussier, Raul Mihali, Yaiza Garcia, Matej Goc
Abstract: Described are various embodiments of a light field device, optical aberration compensation or simulation rendering method and vision testing system using same. In one embodiment, the device comprises a digital display comprising a set of pixels; an array of light field shaping elements (LFSE) disposed relative to the set of pixels so to at least partially govern a light field emanated thereby; and a digital processor operable to: receive as input one or more higher order aberration parameters digitally defining a higher order aberration; for each given pixel, identify an adjusted image plane location corresponding thereto given a corresponding LFSE corresponding thereto and given said one or more higher order aberration parameters, and associate therewith an adjusted image value designated for the adjusted image location; and render for each said given pixel said adjusted image value associated therewith.
Type:
Grant
Filed:
June 28, 2023
Date of Patent:
August 6, 2024
Assignee:
EVOLUTION OPTIKS LIMITED
Inventors:
Faleh Mohammad Faleh Altal, Guillaume Lussier, Matej Goc, Yaiza Garcia, Daniel Gotsch
Abstract: Described are various embodiments of a multiview system, method and display for rendering multiview content, and viewer localisation system, method and device therefor. In one embodiment, a multiview system is operable to interface with a mobile device of a given viewer, and comprises: a MultiView Display (MVD); a network-interfacing content-controller; one or more emitters disposed and operable to emit a respectively encoded time-variable emission in each of distinct viewing directions; and a mobile application operable on the mobile device of the given user to capture a given one of the encoded time-variable emissions when the mobile device is located so to intersect a corresponding one of the distinct directions so to self-identify the mobile device as being substantially in line with a corresponding one of the distinct viewing directions.
Type:
Grant
Filed:
February 11, 2021
Date of Patent:
July 30, 2024
Assignee:
EVOLUTION OPTIKS LIMITED
Inventors:
Joseph Ivar Etigson, Raul Mihali, Jean-Michel Delisle Carter
Abstract: Described are various embodiments of a light field device, pixel rendering method therefor, and vision perception system and method using same. One embodiment describes a method to adjust user perception of an image portion to be rendered via a set of pixels and a corresponding array of light field shaping elements (LFSE), the method comprising: projecting an adjusted image ray trace between a given pixel and a user pupil location to intersect an adjusted image location for a given perceived image depth given a direction of a light field emanated by the given pixel based on a given LFSE intersected thereby; upon the adjusted image ray trace intersecting a given image portion associated with the given perceived image depth, associating with the given pixel an adjusted image portion value designated for the adjusted image location based on the intersection; and rendering for each given pixel the adjusted image portion value associated therewith.
Type:
Grant
Filed:
June 28, 2023
Date of Patent:
June 25, 2024
Assignee:
EVOLUTION OPTIKS LIMITED
Inventors:
Guillaume Lussier, Raul Mihali, Yaiza Garcia, Matej Goc, Daniel Gotsch
Abstract: Described are various embodiments of a light field vision testing device, adjusted pixel rendering method and computer-readable medium therefor, and vision testing system and method using same. In one embodiment, a device or computer-implemented method is provided to dynamically adjust user perception of an input image to be rendered via a set of digital display pixels and a corresponding array of light field shaping elements until an optimal visual acuity level is identified.
Type:
Grant
Filed:
August 22, 2020
Date of Patent:
April 23, 2024
Assignee:
Evolution Optiks Limited
Inventors:
Daniel Gotsch, Guillaume Lussier, Matej Goc, Yaiza Garcia, Raul Mihali
Abstract: Described are various embodiments of a digital display device to render an image for viewing by a viewer having reduced visual acuity, the device comprising: a digital display medium for rendering the image based on pixel data related thereto; a complementary light field display portion; and a hardware processor operable on said pixel data for a selected portion of the image to be rendered via said complementary light field display portion so to produce vision-corrected pixel data corresponding thereto to at least partially address the viewer's reduced visual acuity when viewing said selected portion as rendered in accordance with said vision-corrected pixel data by said complementary light field display portion.
Type:
Grant
Filed:
March 15, 2023
Date of Patent:
February 13, 2024
Assignee:
EVOLUTION OPTIKS LIMITED
Inventors:
Raul Mihali, Andre Michel Daniel Merizzi, Jean-François Joly, Joseph Ivar Etigson
Abstract: Described are various embodiments of a binocular light field display, adjusted pixel rendering method therefor, and vision correction system and method using same. In one embodiment, a system is described to produce a perception adjustment of an input image comprising a pupil tracking device, a digital light field display operable to define spatially periodically recurring view zones within which to produce a perceptively adjusted version of the input image, and a digital data processor operable on pixel data to produce the perceptively adjusted version of the input image within the zones while actively translating a boundary of these view zones so to reduce overlap of the boundary with each of respective pupil locations.
Abstract: Described are various embodiments of a light field testing device, adjusted pixel rendering method and computer-readable medium therefor, and testing system and method using same. In one embodiment, a light field device, system or computer-implemented method is provided to dynamically adjust user perception, via a light field display, of at least one testing optotype in accordance with a vision-based test, while also providing test administrative guidance via the light field display.
Type:
Grant
Filed:
March 15, 2023
Date of Patent:
December 12, 2023
Assignee:
Evolution Optiks Limited
Inventors:
Raul Mihali, Yaiza Garcia, Guillaume Lussier, Matej Goc, Daniel Gotsch
Abstract: Described are various embodiments of process, system and device to automatically adjust user perception of an input, whereby and adjusted image perception value is variably defined for different input locations to create at least one of a multi-focal effect, a progressive perception adjustment, or the like.
Type:
Grant
Filed:
October 30, 2020
Date of Patent:
November 21, 2023
Assignee:
Evolution Optiks Limited
Inventors:
Guillaume Lussier, Raul Mihali, Yaiza Garcia, Matej Goc
Abstract: Described are various embodiments of a light field vision-based testing device, system and method. One such device comprises an array of digital display pixels; a corresponding array of light field shaping elements (LFSEs); a hardware processor operable to adjust perception of a defined optotype within a range of visual acuity compensations; and an adjustable refractive optical system adjustable to selectively produce a complementary visual acuity compensation to extend each of a cylindrical compensation range and a spherical compensation range.
Type:
Grant
Filed:
September 30, 2022
Date of Patent:
October 17, 2023
Assignee:
Evolution Optiks Limited
Inventors:
Faleh Mohammad Faleh Altal, Guillaume Lussier, Matej Goc, Yaiza Garcia
Abstract: Described are various embodiments of a light field device, optical aberration compensation or simulation rendering method and vision testing system using same. In one embodiment, the device comprises a digital display comprising a set of pixels; an array of light field shaping elements (LFSE) disposed relative to the set of pixels so to at least partially govern a light field emanated thereby; and a digital processor operable to: receive as input one or more higher order aberration parameters digitally defining a higher order aberration; for each given pixel, identify an adjusted image plane location corresponding thereto given a corresponding LFSE corresponding thereto and given said one or more higher order aberration parameters, and associate therewith an adjusted image value designated for the adjusted image location; and render for each said given pixel said adjusted image value associated therewith.
Type:
Grant
Filed:
August 15, 2022
Date of Patent:
September 19, 2023
Assignee:
EVOLUTION OPTIKS LIMITED
Inventors:
Faleh Mohammad Faleh Altal, Guillaume Lussier, Matej Goc, Yaiza Garcia, Daniel Gotsch
Abstract: Described are various embodiments of a light field device, pixel rendering method therefor, and vision perception system and method using same. One embodiment describes a method to adjust user perception of an image portion to be rendered via a set of pixels and a corresponding array of light field shaping elements (LFSE), the method comprising: projecting an adjusted image ray trace between a given pixel and a user pupil location to intersect an adjusted image location for a given perceived image depth given a direction of a light field emanated by the given pixel based on a given LFSE intersected thereby; upon the adjusted image ray trace intersecting a given image portion associated with the given perceived image depth, associating with the given pixel an adjusted image portion value designated for the adjusted image location based on the intersection; and rendering for each given pixel the adjusted image portion value associated therewith.
Type:
Grant
Filed:
February 22, 2022
Date of Patent:
August 15, 2023
Assignee:
EVOLUTION OPTIKS LIMITED
Inventors:
Guillaume Lussier, Raul Mihali, Yaiza Garcia, Matej Goc, Daniel Gotsch
Abstract: Described are various embodiments of a digital display device for use by a user having reduced visual acuity. In one embodiment, the device comprises: a digital display medium comprising an array of pixels and operable to render a pixelated image accordingly; a light field shaping layer defined by an array of light field shaping elements and disposed relative to said digital display so to align each of said light field shaping elements with a corresponding set of said pixels to shape a light field emanating therefrom and thereby at least partially govern a projection thereof from said display medium toward the user; and a hardware processor operable on pixel data for the image such that said processed image is rendered to at least partially compensate for the user's reduced visual acuity.
Abstract: Described are various embodiments of a pupil tracking system and method, and digital display device and digital image rendering system and method using same. In one embodiment, a computer-implemented method for improving a perceptive experience of light field content projected via a light field display within a light field viewing zone comprises sequentially acquiring a user feature location, and comparing a velocity computed therefrom with a designated threshold velocity. Upon the velocity corresponding with a transition from a relatively dynamic to a relatively static state, a rendering geometry of the light field content is adjusted to project the light field content within an adjusted light field viewing zone in accordance with a newly acquired user feature location.
Type:
Grant
Filed:
June 2, 2022
Date of Patent:
May 9, 2023
Assignee:
EVOLUTION OPTIKS LIMITED
Inventors:
Khaled El-Monajjed, Guillaume Lussier, Faleh Mohammad Faleh Altal, Daniel Gotsch
Abstract: Described are various embodiments of a digital display device to render an image for viewing by a viewer having reduced visual acuity, the device comprising: a digital display medium for rendering the image based on pixel data related thereto; a complementary light field display portion; and a hardware processor operable on said pixel data for a selected portion of the image to be rendered via said complementary light field display portion so to produce vision-corrected pixel data corresponding thereto to at least partially address the viewer's reduced visual acuity when viewing said selected portion as rendered in accordance with said vision-corrected pixel data by said complementary light field display portion.
Type:
Grant
Filed:
April 21, 2020
Date of Patent:
April 25, 2023
Assignee:
EVOLUTION OPTIKS LIMITED
Inventors:
Raul Mihali, Andre Michel Daniel Merizzi, Jean-François Joly, Joseph Ivar Etigson
Abstract: Described are various embodiments of a light field testing device, adjusted pixel rendering method and computer-readable medium therefor, and testing system and method using same. In one embodiment, a light field device, system or computer-implemented method is provided to dynamically adjust user perception, via a light field display, of at least one testing optotype in accordance with a vision-based test, while also providing test administrative guidance via the light field display.
Type:
Grant
Filed:
April 18, 2022
Date of Patent:
April 4, 2023
Assignee:
EVOLUTION OPTIKS LIMITED
Inventors:
Raul Mihali, Yaiza Garcia, Guillaume Lussier, Matej Goc, Daniel Gotsch