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    PROTECTIVE BARRIER FOR SAFETY GLAZING
    11.
    发明申请
    PROTECTIVE BARRIER FOR SAFETY GLAZING 有权

    公开(公告)号：US20210283994A1

    公开(公告)日：2021-09-16

    申请号：US16866392

    申请日：2020-05-04

    Applicant: Racing Optics, Inc.

    Inventor： Bart E. Wilson ,  Stephen S. Wilson ,  Seth Wilson

    IPC: B60J1/02 ,  G02B1/14 ,  B32B37/18 ,  B32B7/12 ,  B32B27/08 ,  B32B27/36 ,  B32B17/06

    Abstract: A protective barrier affixable to a curved substrate comprises a stack of two or more lenses, each of the two or more lenses including a polyethylene terephthalate (PET) film, a hard coat on a first side of the PET film, and an adhesive layer on a second side of the PET film opposite the first side. The stack of two or more lenses may have a modulation transfer function that exhibits a contrast value greater than 75% for a spatial resolution of one line-pair per 0.0003 radians at 65 degrees angle of incidence. Heat and pressure may be applied to conform the stack of two or more lenses to the shape of the curved substrate.

    Multi-layer windshield film having progressive thickness layers
    16.
    发明授权
    Multi-layer windshield film having progressive thickness layers 有权

    公开(公告)号：US12162330B2

    公开(公告)日：2024-12-10

    申请号：US17937371

    申请日：2022-09-30

    Applicant: Racing Optics, Inc.

    Inventor： Stephen S. Wilson ,  Bart E. Wilson ,  Christophe Fremont

    IPC: B60J1/20 ,  B32B7/12 ,  B32B27/08 ,  B32B27/36 ,  B32B27/40 ,  B32B37/10 ,  B32B38/10

    Abstract: A protective barrier is affixable to a curved substrate such as a vehicle windshield. The protective barrier may include a stack of three or more lenses. Each of the three or more lenses may include a thermoplastic film (preferably a polyethylene terephthalate (PET) film) and an adhesive layer on a first side of the thermoplastic film. The three or more lenses may have respective thicknesses that define a monotonically decreasing function in a stacking direction of the stack and that include at least three different thicknesses. The protective barrier may be placed on the curved substrate with the adhesive layer of an innermost lens of the stack in contact with the curved substrate, and heat and pressure may be applied to conform the stack to the shape of the curved substrate. Thereafter, an outermost lens of the stack may be peeled off to reveal the next lens of the stack.

    Low static optical removable lens stack
    17.
    发明授权
    Low static optical removable lens stack 有权

    公开(公告)号：US12153228B2

    公开(公告)日：2024-11-26

    申请号：US18474860

    申请日：2023-09-26

    Applicant: Racing Optics, Inc.

    Inventor： Stephen S. Wilson ,  Bart E. Wilson

    IPC: G02B3/00 ,  A42B3/20 ,  G02B1/16

    Abstract: A removable lens stack comprises a base layer including a substrate and an antistatic coating comprising quaternary ammonium cations on a first side of the substrate and one or more removable lens layers stacked on top of the base layer. Each removable lens layer may include a substrate, an antistatic coating comprising quaternary ammonium cations on a first side of the substrate, and an adhesive on a second side of the substrate opposite the first side. The one or more removable lens layers may be stacked on top of the base layer such that the second side of the substrate of each removable lens layer faces the first side of the substrate of an immediately preceding layer. Refractive indices of the substrate of the base layer, the substrate of each removable lens layer, and the adhesive of each removable lens layer may be matched (e.g., to within 0.2).

    Low reflectance removable lens stack
    18.
    发明授权
    Low reflectance removable lens stack 有权

    公开(公告)号：US11988850B2

    公开(公告)日：2024-05-21

    申请号：US18315394

    申请日：2023-05-10

    Applicant: Racing Optics, Inc.

    Inventor： Stephen S. Wilson ,  Bart E. Wilson

    IPC: G02B3/02 ,  G02B1/04

    CPC classification number: G02B3/02 ,  G02B1/041

    Abstract: A removable lens stack includes a base layer, a first removable lens layer, and a second removable lens layer. The base layer may include a substrate and a moth eye coating. The first removable lens layer may include a substrate, a single or multi-layer interference antireflective coating on a first side of the substrate, and a fluoropolymer coating on a second side of the substrate. The first removable lens layer may be stacked on top of the base layer with the fluoropolymer coating being molded to fit the moth eye coating. The second and any subsequent removable lens layer may include a substrate, a single or multi-layer interference antireflective coating on a first side of the substrate, and an acrylic or polyurethane adhesive on a second side of the substrate. The second removable lens layer may be stacked on top of the first removable lens layer and so on.

    STACK OF STERILE PEELABLE LENSES WITH LOW CREEP
    19.
    发明公开
    STACK OF STERILE PEELABLE LENSES WITH LOW CREEP 审中-公开

    公开(公告)号：US20230393307A1

    公开(公告)日：2023-12-07

    申请号：US17823413

    申请日：2022-08-30

    Applicant: Racing Optics, Inc.

    Inventor： Stephen S. Wilson ,  Bart E. Wilson ,  Roger Cone

    IPC: G02B1/14 ,  G02B3/00

    CPC classification number: G02B1/14 ,  G02B3/0062

    Abstract: A method of manufacturing a sterile stack of peelable lenses includes coating a first lens (or stack of lenses) with a first adhesive coating, heating the first adhesive coating to initiate curing, exposing the first adhesive coating to ultraviolet light to continue curing, laminating a second lens (or stack of lenses) onto a surface of the first adhesive coating to produce a stack of lenses, coating the second lens with a second adhesive coating, heating the second adhesive coating to initiate curing, exposing the second adhesive coating to ultraviolet light to continue curing, laminating a third lens (or stack of lenses) onto a surface of the second adhesive coating to add the third lens to the stack of lenses, and exposing the stack of lenses to an electron beam to continue curing of the first and second adhesive coatings.

    Low haze UV blocking removable lens stack
    20.
    发明授权
    Low haze UV blocking removable lens stack 有权

    公开(公告)号：US11723420B2

    公开(公告)日：2023-08-15

    申请号：US17938308

    申请日：2022-10-05

    Applicant: Racing Optics, Inc.

    Inventor： Stephen S. Wilson ,  Bart E. Wilson

    IPC: A41D13/11 ,  G02B5/20 ,  G02B1/14 ,  G02B1/04

    CPC classification number: A41D13/1184 ,  G02B1/041 ,  G02B1/14 ,  G02B5/208

    Abstract: A protective lens stack comprises a base layer including a polyethylene terephthalate (PET) film containing a UV blocking additive and one or more removable lens layers stacked on top of the base layer. Each of the removable lens layers may include a PET film and a first adhesive disposed on a bottom surface of the PET film. Refractive indices of the base layer and the one or more removable lens layers may be matched to within 0.2. Each layer of the protective lens stack, including the base layer and each of the removable lens layer(s), may have less than 0.5% haze. The protective lens stack may be used as a face shield or may be surface mountable using a second adhesive disposed on a bottom surface of the PET film containing the UV blocking additive.

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