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    OPTICAL COMPONENTS AND OPTICAL SYSTEMS
    1.
    发明申请
    OPTICAL COMPONENTS AND OPTICAL SYSTEMS 审中-公开

    公开(公告)号：US20200319388A1

    公开(公告)日：2020-10-08

    申请号：US16650519

    申请日：2018-09-28

    申请人： Ted Ringsred ,  3M INNOVATIVE PROPERTIES COMPANY

    发明人： Gregg A. Ambur ,  Jo A. Etter ,  Adam D. Haag ,  Carl A. Stover ,  Timothy J. Nevitt ,  Zhisheng Yun ,  Timothy L. Wong

    IPC分类号： G02B5/30 ,  G02B27/28

    摘要： An optical system including a first optical element having a curved first major surface and an optical stack bonded and conforming to the curved first major surface of the first optical element is described. The optical stack includes a reflective polarizer substantially transmitting light having a first polarization state and substantially reflecting light having an orthogonal second polarization state and a non-adhesive flexible optical layer bonded to the reflective polarizer and comprising substantially parallel opposing first and second major surfaces. At least one location on the non-adhesive flexible optical layer has an optical retardance of less than about 100 nm or greater than about 200 nm at a wavelength of about 550 nm.

    OPTICAL SYSTEM AND OPTICAL FILM
    2.
    发明公开
    OPTICAL SYSTEM AND OPTICAL FILM 审中-公开

    公开(公告)号：US20240201428A1

    公开(公告)日：2024-06-20

    申请号：US18431242

    申请日：2024-02-02

    申请人： 3M INNOVATIVE PROPERTIES COMPANY

    发明人： John D. Le ,  Zhisheng Yun ,  Timothy L. Wong ,  Timothy J. Nevitt ,  Adam D. Haag ,  Arthur L. Kotz

    IPC分类号： G02B5/30

    CPC分类号： G02B5/305

    摘要： Optical films, such as reflective polarizer films, and optical systems including the optical films are described. An optical system includes one or more optical lenses having at least one curved major surface, a partial reflector, and a reflective polarizer. For a substantially normally incident light in a predetermined wavelength range extending at least from about 450 nm to about 600 nm: the partial reflector has an average optical reflectance of at least 30%, and the reflective polarizer has an average optical reflectance Rs for a first polarization state, an average optical transmittance Tp for an orthogonal second polarization state, and an average optical reflectance Rp for the second polarization state, where Tp≥80%, Rp≤1%, and 50%≤Rs≤95%.

    POLARIZATION BEAM SPLITTER AND HOT MIRROR FOR HEADS UP DISPLAY
    7.
    发明公开
    POLARIZATION BEAM SPLITTER AND HOT MIRROR FOR HEADS UP DISPLAY 审中-公开

    公开(公告)号：US20230350217A1

    公开(公告)日：2023-11-02

    申请号：US18220934

    申请日：2023-07-12

    申请人： 3M INNOVATIVE PROPERTIES COMPANY

    发明人： Craig R. Schardt ,  Adam D. Haag ,  Stephen J. Willet

    IPC分类号： G02B27/10 ,  G02B5/28 ,  G02B27/01

    CPC分类号： G02B27/1013 ,  G02B5/282 ,  G02B27/0101 ,  G02B2027/0145

    摘要： An optical system for displaying a virtual image to a viewer includes stacked integral first reflective polarizer and integral second reflective polarizer, a display, and a mirror. For substantially normally incident light: for at least one visible wavelength in a first wavelength range, the first reflective polarizer reflects at least 60% of the incident light having a first polarization state and transmits at least 60% of the incident light having an orthogonal second polarization state, and the second reflective polarizer transmits at least 60% of the incident light for each of the first and second polarization states; and for at least one infrared wavelength in a second wavelength range, the first reflective polarizer reflects at least 60% of the incident light having the first polarization state and transmits at least 60% of the incident light having the second polarization state, and the second reflective polarizer reflects at least 60% of the incident light having the second polarization state and transmits at least 20% of the light having the first polarization state.

    MULTILAYER OPTICAL FILM
    10.
    发明申请
    MULTILAYER OPTICAL FILM 有权

    公开(公告)号：US20220163713A1

    公开(公告)日：2022-05-26

    申请号：US17605683

    申请日：2020-05-20

    申请人： 3M INNOVATIVE PROPERTIES COMPANY

    发明人： Adam D. Haag ,  William B. Black ,  Robert M. Biegler ,  Matthew B. Johnson ,  Edward J. Kivel

    IPC分类号： G02B5/30

    摘要： A multilayer optical film includes a plurality of polymeric layers arranged sequentially adjacent to each other. A difference in thickness between spaced apart first and second polymeric layers in the plurality of polymeric layers is less than about 10%. Each polymeric layer that is disposed between the first and second polymeric layers has a thickness less than about 400 nm. Each layer in a group of at least three polymeric layers in the plurality of polymeric layers that are disposed between the first and second polymeric layers has a thickness greater than an average thickness of the first and second polymeric layers by about 20% to about 500%. The group of at least three polymeric layers includes at least one pair of immediately adjacent polymeric layers.