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公开(公告)号：US20220121031A1
公开(公告)日：2022-04-21
申请号：US17506291
申请日：2021-10-20
发明人： Aleksandr Evgenyevich ANGERVAKS , Nikolay Viktorovich MURAVYEV , Vladimir Nikolaevich BORISOV , Roman Aleksandrovich OKUN , Gavril Nikolaevich VOSTRIKOV , Mikhail Vyacheslavovich POPOV
摘要： Provided is a waveguide guiding light to a target area, the waveguide including an input-coupling diffractive optical element (DOE) inputting the light into the waveguide, an expanding DOE expanding the light input into the waveguide through the input-coupling DOE, an output-coupling DOE outputting the light expanded in the waveguide by the expanding DOE to an outside of the waveguide, wherein the expanding DOE includes a plurality of expanding segments, and the output-coupling DOE includes a plurality of output-coupling segments.
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公开(公告)号：US20220108458A1
公开(公告)日：2022-04-07
申请号：US17496516
申请日：2021-10-07
发明人： Gavril Nikolaevich VOSTRIKOV , Nikolay Viktorovich MURAVYEV , Vladimir Nikolaevich BORISOV , Aleksandr Evgenyevich ANGERVAKS , Roman Aleksandrovich OKUN , Mikhail Vyacheslavovich POPOV
摘要： A method of eye tracking includes: irradiating a light pattern, output from at least one collimated light source, to a cornea surface; detecting at least a part of the light pattern reflected from the cornea surface, the at least the part of the light pattern being guided by a sensor waveguide; obtaining a mapping image corresponding to the at least the part of the light pattern; and determining a direction of a gaze based on the obtained mapping image. The sensor waveguide used to determine the direction of the gaze is different from a waveguide for displaying output information.
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3.发明公开公开(公告)号：US20230221570A1
公开(公告)日：2023-07-13
申请号：US18175035
申请日：2023-02-27
发明人： Vladimir Nikolaevich BORISOV , Aleksandr Evgenyevich ANGERVAKS , Nikolay Viktorovich MURAVYEV , Roman Aleksandrovich OKUN , Mikhail Vyacheslavovich POPOV , Gavril Nikolaevich VOSTRIKOV
CPC分类号： G02B27/1013 , G02B27/1086 , G02B27/4244
摘要： The disclosure relates to augmented reality devices, namely to near-field displays, to planar waveguides with diffractive optical elements and displays based on such planar waveguides. The architecture of diffractive optical elements, performed in a waveguide and a method for operating the architecture of diffractive optical elements, eliminating image dispersion and expanding the horizontal field of view are provided. The method for operating the architecture of diffractive optical elements, expanding the vertical field of view and a device for displaying an augmented reality containing the proposed architecture of diffractive optical elements are provided. The augmented reality glasses includes the proposed augmented reality display device.
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4.发明公开公开(公告)号：US20230185101A1
公开(公告)日：2023-06-15
申请号：US17982009
申请日：2022-11-07
发明人： Nikolay Viktorovich MURAVEV , Aleksandr Evgenyevich ANGERVAKS , Gavril Nikolaevich VOSTRIKOV , Jaeyeol RYU , Anastasia Sergeevna PEREVOZNIKOVA , Vladimir Nikolaevich BORISOV , Roman Aleksandrovich OKUN , Kyusub KWAK , Jeonggeun YUN , Jongchul CHOI , Myongjo CHOI
CPC分类号： G02B27/0944 , G02B27/18 , G06T19/006 , G02B2027/0178
摘要： The disclosure relates to augmented reality devices based on a curved waveguide. An augmented reality device is provided. The augmented reality device includes a projection system to project an undistorted image, an input optical compensator located on the path of light rays out-coupled from the projection system, a curved waveguide comprising an input diffractive optical element and an output diffractive optical element. The output diffractive optical element performs the function of an output optical compensator that converts the light beams of a distorted image at the output of the waveguide into parallel light beams to output an undistorted image. Augmented reality glasses comprising an augmented reality device are also proposed. There is provided the ability to project a virtual image without aberrations, distortions and doubling of the image.
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公开(公告)号：US20230081473A1
公开(公告)日：2023-03-16
申请号：US17883043
申请日：2022-08-08
发明人： Vladimir Nikolaevich BORISOV , Aleksandr Evgenyevich ANGERVAKS , Nikolay Viktorovich MURAVEV , Roman Aleksandrovich OKUN , Gavril Nikolaevich VOSTRIKOV , Mikhail Vyacheslavovich POPOV
摘要： The disclosure relates to augmented reality devices and methods for operating such devices. A waveguide with a diffractive optical elements-based architecture for an augmented reality device is provided. The waveguide includes a light in-coupling zone, a light expanding zone, and a light out-coupling zone. Each zone includes its own set of diffractive optical elements performing the light in-couple, light expand and light out-couple function. There are further provided an augmented reality display device and augmented reality glasses based on the waveguide with the diffractive optical elements-based architecture.
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公开(公告)号：US20230032936A1
公开(公告)日：2023-02-02
申请号：US17748529
申请日：2022-05-19
发明人： Aleksandr Evgenyevich ANGERVAKS , Roman Aleksandrovich OKUN , Gavril Nikolaevich VOSTRIKOV , Nikolay Viktorovich MURAVEV , Vladimir Nikolaevich BORISOV , Mikhail Vyacheslavovich POPOV
摘要： A method and systems for simultaneous recording of superimposed holographic gratings for augmented reality devices are provided. The method includes: generating a beam by a single light source, directing the beam to a decoherence unit at a predetermined angle, forming at least two recording beams by the decoherence unit by splitting the beam, forming at least two recording channels in the decoherence unit to transmit the at least two recording beams and output them from the decoherence unit, output angles of each of the at least two recording beams being different, the at least two recording beams being non-interfering when leaving the decoherence unit, which is provided in accordance with at least one of: output times, spatial positions, polarization states, or spectral compositions of each of the at least two recording beams, illuminating a recording material layer and one master diffractive optical element/master holographic optical element (master DOE/HOE) comprising at least one preliminary formed diffraction/holographic grating by the at least two non-interfering recording beams, simultaneously forming at least two superimposed holographic gratings from the master DOE/HOE on or in the recording material layer, the formed superimposed holographic gratings having a same surface period, but a different spatial period.
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公开(公告)号：US20240201429A1
公开(公告)日：2024-06-20
申请号：US18455257
申请日：2023-08-24
发明人： Gavril Nikolaevich VOSTRIKOV , Nikolay Viktorovich MURAVYEV , Aleksandr Evgenyevich ANGERVAKS , Roman Aleksandrovich OKUN , Anastasia Sergeevna PEREVOZNIKOVA
CPC分类号： G02B6/0016 , G02B6/0036 , G02B6/0076 , G02B27/0172 , G02B27/4216 , G02B2027/013 , G02B2027/0178
摘要： A curved waveguide-based augmented reality device is provided. The device includes a projector, and a curved waveguide. The waveguide has a shape of a concentric cylindrical meniscus and includes an in-coupling diffractive optical element and an out-coupling diffractive optical element, a grating period of a diffraction grating of the in-coupling diffractive optical element at each point of the in-coupling diffractive optical element is such that rays from one point of an initial image are input into the curved waveguide in each point of the in-coupling diffractive optical element at the same angle relative to a normal to a surface of the curved waveguide at a point of ray incidence, and at least at one point on each of the diffractive optical elements a diffraction grating period of the in-coupling diffractive optical element is equal to a diffraction grating period of the out-coupling diffractive optical element.
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公开(公告)号：US20230090308A1
公开(公告)日：2023-03-23
申请号：US17940556
申请日：2022-09-08
发明人： Vladimir Nikolaevich BORISOV , Aleksandr Evgenyevich ANGERVAKS , Nikolay Viktorovich MURAVEV , Roman Aleksandrovich OKUN , Gavril Nikolaevich VOSTRIKOV , Mikhail Vyacheslavovich POPOV , Jaeyeol RYU , Kyusub KWAK , Jeonggeun YUN , Jongchul CHOI , Myongjo CHOI
摘要： The disclosure relates to augmented reality devices, and more particularly, to augmented reality glasses and methods for operating the same. An augmented reality display device is provided. The augmented reality display device includes a projection system, an optical compensator positioned after the projection system, and a flexible waveguide. The flexible waveguide can change its curvature and comprises an input diffraction grating and an output diffraction grating. The optical compensator is configured to introduce pre-distortion to the image and optically zoom the image received from the projection system, the pre-distortion in the image and optical zoom of the image being opposite to those introduced by the flexible waveguide to the undistorted image in accordance with chosen radius of the flexible waveguide. Flexible diffraction grating distorts the pre-distorted image. The output diffraction grating outputs undistorted image to a user's eyes.
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