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公开(公告)号：US12092831B2
公开(公告)日：2024-09-17
申请号：US18514500
申请日：2023-11-20
Applicant: Magic Leap, Inc.
Inventor： Dianmin Lin , Pierre St. Hilaire
CPC classification number: G02B27/0172 , G02B6/0036 , G02B6/0076 , G02B2027/0123 , G02B2027/014 , G02B2027/0178
Abstract: An example a head-mounted display device includes a light projector and an eyepiece. The eyepiece is arranged to receive light from the light projector and direct the light to a user during use of the wearable display system. The eyepiece includes a waveguide having an edge positioned to receive light from the display light source module and couple the light into the waveguide. The waveguide includes a first surface and a second surface opposite the first surface. The waveguide includes several different regions, each having different grating structures configured to diffract light according to different sets of grating vectors.
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2.发明公开公开(公告)号：US20230418074A1
公开(公告)日：2023-12-28
申请号：US18463671
申请日：2023-09-08
Applicant: Magic Leap, Inc.
Inventor： Dianmin Lin , Mauro Melli , Pierre St. Hilaire , Christophe Peroz , Evgeni Poliakov
IPC: G02B27/01 , H04N13/344 , G02B5/30 , H04N13/349 , G02B30/35
CPC classification number: G02B27/0172 , H04N13/344 , G02B5/30 , H04N13/349 , G02B30/35 , G02B2027/0125 , G02B2005/1804
Abstract: An optical system comprises an optically transmissive substrate comprising a multilevel metasurface which comprises a grating comprising a plurality of multilevel unit cells. Each unit cell comprises, on a lowermost level, a laterally-elongated first lowermost level nanobeam having a first width and a laterally-elongated second lowermost level nanobeam having a second width larger than the first width. Each unit cell further comprises, on an uppermost level, a laterally-elongated first uppermost level nanobeam above the first lowermost level nanobeam and a laterally-elongated second uppermost level nanobeam above the second lowermost level nanobeam.
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公开(公告)号：US11300791B2
公开(公告)日：2022-04-12
申请号：US16919718
申请日：2020-07-02
Applicant: Magic Leap, Inc.
Inventor： Pierre St. Hilaire , Mohammadreza Khorasaninejad , Dianmin Lin
Abstract: An example head-mounted display device includes a plurality of optical elements in optical communication. The optical elements are configured to project an image in a field of view of a user wearing the head-mounted display device. A first optical element is configured to receive light from a second optical element. The first optical element defines a grating at along a periphery of the first optical element. The grating includes a plurality of protrusions extending from a base portion of the first optical element. The protrusions include a first material having a first optical dispersion profile for visible wavelengths of light. The grating also includes a second material disposed between at least some of the plurality of protrusions along the base portion of the first optical element. The second material has a second optical dispersion profile for visible wavelengths of light.
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4.发明申请公开(公告)号：US20200150437A1
公开(公告)日：2020-05-14
申请号：US16733168
申请日：2020-01-02
Applicant: Magic Leap, Inc.
Inventor： Dianmin Lin , Mauro Melli , Pierre St. Hilaire , Christophe Peroz , Evgeni Poliakov
IPC: G02B27/01 , H04N13/344 , G02B5/30 , H04N13/349 , G02B30/35
Abstract: An optical system comprises an optically transmissive substrate comprising a metasurface which comprises a grating comprising a plurality of unit cells. Each unit cell comprises a laterally-elongated first nanobeam having a first width; and a laterally-elongated second nanobeam spaced apart from the first nanobeam by a gap, the second nanobeam having a second width larger than the first width. A pitch of the unit cells is 10 nm to 1 μm. The heights of the first and the second nanobeams are: 10 nm to 450 nm where a refractive index of the substrate is more than 3.3; and 10 nm to 1 μm where the refractive index is 3.3 or less.
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公开(公告)号：US10527851B2
公开(公告)日：2020-01-07
申请号：US15588350
申请日：2017-05-05
Applicant: Magic Leap, Inc.
Inventor： Dianmin Lin , Mauro Melli , Pierre St. Hilaire , Christophe Peroz , Evgeni Poliakov
IPC: G02B27/01 , H04N13/344 , G02B27/22 , G02B5/30 , H04N13/349 , G02B5/18
Abstract: An optical system comprises an optically transmissive substrate comprising a metasurface which comprises a grating comprising a plurality of unit cells. Each unit cell comprises a laterally-elongated first nanobeam having a first width; and a laterally-elongated second nanobeam spaced apart from the first nanobeam by a gap, the second nanobeam having a second width larger than the first width. A pitch of the unit cells is 10 nm to 1 μm. The heights of the first and the second nanobeams are: 10 nm to 450 nm where a refractive index of the substrate is more than 3.3; and 10 nm to 1 μm where the refractive index is 3.3 or less.
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Patent Agency Ranking
公开(公告)号：US20180231702A1
公开(公告)日：2018-08-16
申请号：US15880404
申请日：2018-01-25
Applicant: Magic Leap, Inc.
Inventor： Dianmin Lin , Michael Anthony Klug , Pierre St. Hilaire , Mauro Melli , Christophe Peroz , Evgeni Poliakov
Abstract: Metasurfaces provide compact optical elements in head-mounted display systems to, e.g., incouple light into or outcouple light out of a waveguide. The metasurfaces may be formed by a plurality of repeating unit cells, each unit cell comprising two sets or more of nanobeams elongated in crossing directions: one or more first nanobeams elongated in a first direction and a plurality of second nanobeams elongated in a second direction. As seen in a top-down view, the first direction may be along a y-axis, and the second direction may be along an x-axis. The unit cells may have a periodicity in the range of 10 nm to 1 μm, including 10 nm to 500 nm or 300 nm to 500 nm. Advantageously, the metasurfaces provide diffraction of light with high diffraction angles and high diffraction efficiencies over a broad range of incident angles and for incident light with circular polarization.
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公开(公告)号：US20180217395A1
公开(公告)日：2018-08-02
申请号：US15879005
申请日：2018-01-24
Applicant: Magic Leap, Inc.
Inventor： Dianmin Lin , Michael Anthony Klug , Pierre St. Hilaire , Mauro Melli , Christophe Peroz , Evgeni Poliakov
CPC classification number: G02B27/4205 , G02B1/002 , G02B1/111 , G02B5/1847 , G02B27/0093 , G02B27/0172 , G02B27/4272 , G02B2027/014 , G02B2027/0174 , G02B2027/0178 , G02B2027/0185 , G02B2207/101
Abstract: Antireflection coatings for metasurfaces are described herein. In some embodiments, the metasurface may include a substrate, a plurality of nanostructures thereon, and an antireflection coating disposed over the nanostructures. The antireflection coating may be a transparent polymer, for example a photoresist layer, and may have a refractive index lower than the refractive index of the nanostructures and higher than the refractive index of the overlying medium (e.g., air). Advantageously, the antireflection coatings may reduce or eliminate ghost images in an augmented reality display in which the metasurface is incorporated.
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8.发明申请公开(公告)号：US20170322418A1
公开(公告)日：2017-11-09
申请号：US15588350
申请日：2017-05-05
Applicant: Magic Leap, Inc.
Inventor： Dianmin Lin , Mauro Melli , Pierre St. Hilaire , Christophe Peroz , Evgeni Poliakov
Abstract: An optical system comprises an optically transmissive substrate comprising a metasurface which comprises a grating comprising a plurality of unit cells. Each unit cell comprises a laterally-elongated first nanobeam having a first width; and a laterally-elongated second nanobeam spaced apart from the first nanobeam by a gap, the second nanobeam having a second width larger than the first width. A pitch of the unit cells is 10 nm to 1 μm. The heights of the first and the second nanobeams are: 10 nm to 450 nm where a refractive index of the substrate is more than 3.3; and 10 nm to 1 μm where the refractive index is 3.3 or less.
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公开(公告)号：US11579353B2
公开(公告)日：2023-02-14
申请号：US17089546
申请日：2020-11-04
Applicant: Magic Leap, Inc.
Inventor： Mauro Melli , Mohammadreza Khorasaninejad , Christophe Peroz , Pierre St. Hilaire , Dianmin Lin
Abstract: Display devices include waveguides with metasurfaces as in-coupling and/or out-coupling optical elements. The metasurfaces may be formed on a surface of the waveguide and may include a plurality or an array of sub-wavelength-scale (e.g., nanometer-scale) protrusions. Individual protrusions may include horizontal and/or vertical layers of different materials which may have different refractive indices, allowing for enhanced manipulation of light redirecting properties of the metasurface. Some configurations and combinations of materials may advantageously allow for broadband metasurfaces. Manufacturing methods described herein provide for vertical and/or horizontal layers of different materials in a desired configuration or profile.
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公开(公告)号：US11360306B2
公开(公告)日：2022-06-14
申请号：US16733168
申请日：2020-01-02
Applicant: Magic Leap, Inc.
Inventor： Dianmin Lin , Mauro Melli , Pierre St. Hilaire , Christophe Peroz , Evgeni Poliakov
IPC: G02B27/01 , G02B5/30 , H04N13/344 , H04N13/349 , G02B30/35 , G02B5/18
Abstract: An optical system comprises an optically transmissive substrate comprising a metasurface which comprises a grating comprising a plurality of unit cells. Each unit cell comprises a laterally-elongated first nanobeam having a first width; and a laterally-elongated second nanobeam spaced apart from the first nanobeam by a gap, the second nanobeam having a second width larger than the first width. A pitch of the unit cells is 10 nm to 1 μm. The heights of the first and the second nanobeams are: 10 nm to 450 nm where a refractive index of the substrate is more than 3.3; and 10 nm to 1 μm where the refractive index is 3.3 or less.
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