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公开(公告)号：US20210255033A1
公开(公告)日：2021-08-19
申请号：US17306281
申请日：2021-05-03
Applicant: Waymo LLC
Inventor： Pierre-Yves Droz , David Hutchison
Abstract: The present disclosure relates to limitation of noise on light detectors using an aperture. One example implementation includes a system. The system includes a lens disposed relative to a scene. The lens focuses light from the scene. The system also includes an aperture defined within an opaque material. The system also includes a waveguide having a first side that receives light focused by the lens and transmitted through the aperture. The waveguide guides the received light toward a second side of the waveguide opposite to the first side. The waveguide has a third side extending between the first side and the second side. The system also includes an array of light detectors that intercepts and detects light propagating out of the third side of the waveguide.
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公开(公告)号：US20210124269A1
公开(公告)日：2021-04-29
申请号：US16666952
申请日：2019-10-29
Applicant: Waymo LLC
Inventor： James Dunphy , David Hutchison
Abstract: The present disclosure relates to systems and methods relating to the fabrication of light guide elements. An example system includes an optical component configured to direct light emitted by a light source to illuminate a photoresist material at one or more desired angles so as to expose an angled structure in the photoresist material. The photoresist material overlays at least a portion of a first surface of a substrate. The optical component includes a container containing a light-coupling material that is selected based in part on the one or more desired angles. The system also includes a reflective surface arranged to reflect at least a first portion of the emitted light to illuminate the photoresist material at the one or more desired angles.
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公开(公告)号：US10962883B2
公开(公告)日：2021-03-30
申请号：US16684955
申请日：2019-11-15
Applicant: Waymo LLC
Inventor： Bernard Fidric , Pierre-yves Droz , David Hutchison
Abstract: Systems and methods described herein relate to the manufacture of optical elements and optical systems. An example method includes overlaying a first mask on a photoresist material and a substrate, and causing a light source to illuminate the photoresist material through the first mask during a first exposure so as to define a first feature. During the first exposure, the light source is positioned at a non-normal angle with respect to a plane parallel to the substrate. The method includes developing the photoresist material so as to retain an elongate portion of the photoresist material on the substrate. A first end of the elongate portion includes an angled portion that is sloped at an angle with respect to a long axis of the elongate portion. The method also includes depositing a reflective material through a second mask onto the angled portion.
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公开(公告)号：US11921206B2
公开(公告)日：2024-03-05
申请号：US18057463
申请日：2022-11-21
Applicant: Waymo LLC
Inventor： Pierre-Yves Droz , Blaise Gassend , Caner Onal , David Hutchison
IPC: G01S7/481 , G01J1/04 , G01J1/42 , G01J1/44 , G01J3/02 , G01S7/486 , G01S7/4863 , G01S17/08 , G01S17/10 , G01S17/42
CPC classification number: G01S17/08 , G01J1/0411 , G01J1/0414 , G01J1/0422 , G01J1/0437 , G01J1/0448 , G01J1/0474 , G01J1/0488 , G01J1/4228 , G01J1/44 , G01J3/0208 , G01J3/0229 , G01S7/481 , G01S7/4816 , G01S7/4863 , G01S7/4868 , G01S17/10 , G01S17/42 , G01J2001/442 , G01J2001/4466
Abstract: The present disclosure relates to limitation of noise on light detectors using an aperture. One example embodiment includes a system. The system includes a lens disposed relative to a scene and configured to focus light from the scene onto a focal plane. The system also includes an aperture defined within an opaque material disposed at the focal plane of the lens. The aperture has a cross-sectional area. In addition, the system includes an array of light detectors disposed on a side of the focal plane opposite the lens and configured to intercept and detect diverging light focused by the lens and transmitted through the aperture. A cross-sectional area of the array of light detectors that intercepts the diverging light is greater than the cross-sectional area of the aperture.
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公开(公告)号：US11868050B2
公开(公告)日：2024-01-09
申请号：US18053255
申请日：2022-11-07
Applicant: Waymo LLC
Inventor： James Dunphy , David Hutchison
CPC classification number: G03F7/702 , G02B6/4214
Abstract: The present disclosure relates to systems and methods relating to the fabrication of light guide elements. An example system includes an optical component configured to direct light emitted by a light source to illuminate a photoresist material at one or more desired angles so as to expose an angled structure in the photoresist material. The photoresist material overlays at least a portion of a first surface of a substrate. The optical component includes a container containing a light-coupling material that is selected based in part on the one or more desired angles. The system also includes a reflective surface arranged to reflect at least a first portion of the emitted light to illuminate the photoresist material at the one or more desired angles.
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Patent Agency Ranking
公开(公告)号：US11520236B2
公开(公告)日：2022-12-06
申请号：US17474779
申请日：2021-09-14
Applicant: Waymo LLC
Inventor： James Dunphy , David Hutchison
Abstract: The present disclosure relates to systems and methods relating to the fabrication of light guide elements. An example system includes an optical component configured to direct light emitted by a light source to illuminate a photoresist material at one or more desired angles so as to expose an angled structure in the photoresist material. The photoresist material overlays at least a portion of a first surface of a substrate. The optical component includes a container containing a light-coupling material that is selected based in part on the one or more desired angles. The system also includes a reflective surface arranged to reflect at least a first portion of the emitted light to illuminate the photoresist material at the one or more desired angles.
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公开(公告)号：US11520103B1
公开(公告)日：2022-12-06
申请号：US17411880
申请日：2021-08-25
Applicant: Waymo LLC
Inventor： James Dunphy , David Hutchison
IPC: G02B6/12 , H04B10/071 , G02B6/35 , G02B6/293
Abstract: One example system comprises a substrate and a waveguide disposed on the substrate to define an optical path on the substrate. The waveguide is configured to guide, inside the waveguide and along the optical path, a light signal toward an edge of the waveguide. The edge defines an optical interface between the waveguide and a fluidic optical medium adjacent to the edge of the waveguide. The system also includes an optical fluid and a fluid actuator configured to adjust a physical state of the optical fluid based on a control signal. The adjustment of the physical state of the optical fluid causes an adjustment of the fluidic optical medium adjacent to the edge.
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公开(公告)号：US11156699B2
公开(公告)日：2021-10-26
申请号：US16667686
申请日：2019-10-29
Applicant: Waymo LLC
Inventor： James Dunphy , David Hutchison
Abstract: One example system comprises a plurality of substrates disposed in an overlapping arrangement. The plurality of substrates includes at least a first substrate and a second substrate. The system also comprises a first waveguide disposed on the first substrate to define a first optical path on the first substrate. The first waveguide is configured to guide light along the first optical path and to transmit, at an output section of the first waveguide, the light out of the first waveguide toward the second substrate. The system also comprises a second waveguide disposed on the second substrate to define a second optical path on the second substrate. An input section of the second waveguide is aligned with the output section of the first waveguide to receive the light transmitted by the first waveguide. The second waveguide is configured to guide the light along the second optical path.
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公开(公告)号：US11125941B1
公开(公告)日：2021-09-21
申请号：US16667727
申请日：2019-10-29
Applicant: Waymo LLC
Inventor： James Dunphy , David Hutchison
IPC: G02B6/12 , H04B10/071 , G02B6/35 , G02B6/293
Abstract: One example system comprises a substrate and a waveguide disposed on the substrate to define an optical path on the substrate. The waveguide is configured to guide, inside the waveguide and along the optical path, a light signal toward an edge of the waveguide. The edge defines an optical interface between the waveguide and a fluidic optical medium adjacent to the edge of the waveguide. The system also includes an optical fluid and a fluid actuator configured to adjust a physical state of the optical fluid based on a control signal. The adjustment of the physical state of the optical fluid causes an adjustment of the fluidic optical medium adjacent to the edge.
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公开(公告)号：US11041753B2
公开(公告)日：2021-06-22
申请号：US16679006
申请日：2019-11-08
Applicant: Waymo LLC
Inventor： Pierre-Yves Droz , David Hutchison
Abstract: The present disclosure relates to limitation of noise on light detectors using an aperture. One example implementation includes a system. The system includes a lens disposed relative to a scene. The lens focuses light from the scene. The system also includes an aperture defined within an opaque material. The system also includes a waveguide having a first side that receives light focused by the lens and transmitted through the aperture. The waveguide guides the received light toward a second side of the waveguide opposite to the first side. The waveguide has a third side extending between the first side and the second side. The system also includes an array of light detectors that intercepts and detects light propagating out of the third side of the waveguide.
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