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    OPTICAL STACK AND LIGHTGUIDES
    3.
    发明申请
    OPTICAL STACK AND LIGHTGUIDES 审中-公开
    光学堆叠和光源

    公开(公告)号：WO2011130151A1

    公开(公告)日：2011-10-20

    申请号：PCT/US2011/031904

    申请日：2011-04-11

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY ,  EDMONDS, William F., ,  LIU, Tao, ,  VAN DERLOFSKE, John F. III, ,  WHEATLEY, John A.,

    Inventor： EDMONDS, William F., ,  LIU, Tao, ,  VAN DERLOFSKE, John F. III, ,  WHEATLEY, John A.,

    IPC: G02B5/04 ,  G02F1/13357 ,  G02B6/00

    CPC classification number: G02B5/045 ,  F21V11/00 ,  G02B6/0053 ,  G02F1/133606 ,  G02F2001/133607 ,  Y10T428/24612

    Abstract: Optical stack is disclosed. The optical stack includes a first optical stack that includes, a first optical adhesive layer, and a reflective polarizer layer that is disposed on the first optical adhesive layer. The reflective polarizer layer substantially reflects light of a first polarization state and substantially transmits light of a second polarization state orthogonal to the first polarization state. The optical stack also includes a second optical stack that includes a second optical adhesive layer, a low index layer that is disposed on the second optical adhesive layer and includes a plurality of voids dispersed in a binder, and a light directing film that is disposed on the low index layer and includes a plurality of unitary discrete structures. Portions of each unitary discrete structure penetrate into the first optical adhesive layer. Portions of each unitary discrete structure do not penetrate into the first optical adhesive layer. Each unitary discrete structure defines a penetration depth and a penetration base at the interface between the penetrating and non-penetrating portions of the unitary discrete structure. The penetration base has a minimum penetration base dimension. The plurality of unitary discrete structures has an average penetration depth and an average minimum penetration base dimension. The ratio of the average penetration depth to the average minimum penetration base dimension is at least 1.5. The peel strength between the first and second optical stacks is greater than about 30 grams/inch.

    Abstract translation: 公开了光堆叠。 光学堆叠包括第一光学堆叠，其包括第一光学粘合剂层和设置在第一光学粘合剂层上的反射偏振器层。 反射型偏振层基本上反射第一偏振态的光，并且基本上透射与第一偏振状态正交的第二偏振状态的光。 光学堆叠还包括第二光学堆叠，其包括第二光学粘合剂层，设置在第二光学粘合剂层上并包括分散在粘合剂中的多个空隙的低折射率层，以及设置在 低折射率层并且包括多个单一的离散结构。 每个单一离散结构的部分渗入第一光学粘合剂层。 每个单一离散结构的部分不会渗透到第一光学粘合剂层中。 每个单一离散结构在整体离散结构的穿透部分和非穿透部分之间的界面处限定穿透深度和穿透基部。 穿透基座具有最小的穿透基座尺寸。 多个单一离散结构具有平均穿透深度和平均最小穿透基础尺寸。 平均穿透深度与平均最小穿透基础尺寸的比值至少为1.5。 第一和第二光学叠层之间的剥离强度大于约30克/英寸。

    OPTICAL STACK
    7.
    发明申请
    OPTICAL STACK 审中-公开
    光学堆栈

    公开(公告)号：WO2011130155A1

    公开(公告)日：2011-10-20

    申请号：PCT/US2011/031910

    申请日：2011-04-11

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY ,  BOYD, Gary T. ,  EDMONDS, William F. ,  JONES, Vivian W. ,  KOTCHICK, Keith M. ,  PHAM, Tri D. ,  VAN DERLOFSKE, John F., III

    Inventor： BOYD, Gary T. ,  EDMONDS, William F. ,  JONES, Vivian W. ,  KOTCHICK, Keith M. ,  PHAM, Tri D. ,  VAN DERLOFSKE, John F., III

    IPC: G02B5/04 ,  G02F1/13357 ,  G02B6/00

    CPC classification number: G02B5/045 ,  F21V11/00 ,  G02B6/0053 ,  G02F1/133606 ,  G02F2001/133607 ,  Y10T428/24612

    Abstract: Optical stack is disclosed. The optical stack includes a light redirecting film that includes a first structured major surface that includes a plurality of unitary discrete structures. The optical stack also includes an optical adhesive layer that is disposed on the light directing film. At least portions of at least some unitary discrete structures in the plurality of unitary discrete structures penetrate into the optical adhesive layer. At least portions of at least some unitary discrete structures in the plurality of unitary discrete structures do not penetrate into the optical adhesive layer. The peel strength of the light redirecting film and the optical adhesive layer is greater than about 30 grams/inch. The average effective transmission of the optical stack is not less or is less than by no more than about 10% as compared to an optical stack that has the same construction except that no unitary discrete structure penetrates into the optical adhesive layer.

    Abstract translation: 公开了光堆叠。 光学堆叠包括光重定向膜，其包括包括多个单一离散结构的第一结构化主表面。 光学堆叠还包括设置在导光膜上的光学粘合剂层。 多个单一离散结构中的至少一些单一离散结构的至少一部分渗入光学粘合剂层。 多个单一离散结构中的至少一些单一离散结构的至少部分不会渗入光学粘合剂层。 光重新定向膜和光学粘合剂层的剥离强度大于约30克/英寸。 与具有相同结构的光学堆叠相比，光学堆叠的平均有效透射率不小于或小于不超过约10％，除了没有一体离散结构渗透到光学粘合剂层中。

    LIGHT DIRECTING FILM
    8.
    发明申请
    LIGHT DIRECTING FILM 审中-公开
    光导电影

    公开(公告)号：WO2011130144A1

    公开(公告)日：2011-10-20

    申请号：PCT/US2011/031892

    申请日：2011-04-11

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY ,  EDMONDS, William, F. ,  JONES, Vivian, W. ,  KOTCHICK, Keith, M. ,  PHAM, Tri, D. ,  VAN DERLOFSKE, John F., III

    Inventor： EDMONDS, William, F. ,  JONES, Vivian, W. ,  KOTCHICK, Keith, M. ,  PHAM, Tri, D. ,  VAN DERLOFSKE, John F., III

    IPC: G02B5/04 ,  G02F1/13357 ,  G02B6/00

    CPC classification number: G02B5/045 ,  F21V11/00 ,  G02B6/0053 ,  G02F1/133606 ,  G02F2001/133607 ,  Y10T428/24612

    Abstract: Light directing film is disclosed. The light directing film includes a first structured major surface and an opposing second major surface. The first structured major surface includes a plurality of unitary discrete structures. Each unitary discrete structure includes a light directing portion that is primarily for directing light and includes a plurality of first side facets. Each first side facet makes an angle with the plane of the light directing film in a range from about 35 degrees to about 55 degrees. Each light directing portion also includes a first base that is defined by the plurality of first side facets and has a first minimum dimension. Each light directing portion also has a first maximum height. Each unitary discrete structure also includes a bonding portion that is primarily for bonding the light directing film to a surface. The bonding portion is disposed on and between the plurality of first side facets and includes a plurality of second side facets. Each second side facet makes an angle with the plane of the light directing film greater than about 70 degrees. The bonding portion also includes a second base that is defined by the plurality of second side facets and has a second minimum dimension less than about 10% of the first minimum dimension. The bonding portion also has a second maximum height. The ratio of the second maximum height to the second minimum dimension is at least about 1.5.

    Abstract translation: 公开了导光膜。 导光膜包括第一结构化主表面和相对的第二主表面。 第一结构化主表面包括多个单一离散结构。 每个单一离散结构包括主要用于引导光并包括多个第一侧面的导光部分。 每个第一侧面与导光膜的平面成角度在约35度至约55度的范围内。 每个光引导部分还包括由多个第一侧面定义并且具有第一最小尺寸的第一基座。 每个导光部分也具有第一最大高度。 每个单一离散结构还包括主要用于将光导膜粘合到表面上的接合部分。 接合部分设置在多个第一侧面之间并且在多个第一侧面之间并且包括多个第二侧面。 每个第二侧面与导光膜的平面形成大于约70度的角度。 接合部分还包括由多个第二侧面定义并具有小于第一最小尺寸的约10％的第二最小尺寸的第二基部。 接合部分也具有第二最大高度。 第二最大高度与第二最小尺寸的比率至少为约1.5。

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