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    ORTHOGONALLY DISPOSED PROJECTION SURFACES
    33.
    发明申请
    ORTHOGONALLY DISPOSED PROJECTION SURFACES 审中-公开
    正交投影表面

    公开(公告)号：US20140218695A1

    公开(公告)日：2014-08-07

    申请号：US13756782

    申请日：2013-02-01

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Ralph R. Roberts ,  Glenn E. Casner ,  Brett J. Sitter ,  Robert W. Shannon

    IPC: G03B21/14

    CPC classification number: G03B21/62 ,  G03B21/10

    Abstract: A system for projecting changeable electronic content across multiple display surfaces. The system includes display surfaces arranged at a non-zero angle with respect to one another, such as three orthogonal display surfaces in the corner of a rectangular shaped product container. Changeable electronic content, including video and digital still images, is converted such that, when the projector receives and projects the content to the multiple display surfaces, the content is displayed undistorted to a viewer.

    Abstract translation: 用于在多个显示表面上投影可变电子内容的系统。 该系统包括相对于彼此以非零角度布置的显示表面，例如矩形产品容器的角部中的三个正交显示表面。 可变电子内容（包括视频和数字静止图像）被转换成使得当投影机接收并将内容投影到多个显示表面时，将内容以失真的形式显示给观看者。

    OPTICAL FILM, OPTICAL CONSTRUCTION, AND DISPLAY SYSTEM
    34.
    发明申请
    OPTICAL FILM, OPTICAL CONSTRUCTION, AND DISPLAY SYSTEM 有权

    公开(公告)号：US20250076555A1

    公开(公告)日：2025-03-06

    申请号：US18950497

    申请日：2024-11-18

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Bharat R. Acharya ,  Brett J. Sitter ,  Robert D. Taylor ,  Zhicheng Tian ,  James P. DiZio ,  Quinn D. Sanford ,  Kent C. Hackbarth ,  Matthew E. Sousa

    IPC: G02B5/30 ,  G02B1/04 ,  G02B5/26 ,  G06V40/13

    Abstract: An optical construction includes a reflective polarizer and an optical film. The optical film includes a matrix and a plurality of first particles dispersed in the matrix. Each of the matrix and the plurality of first particles includes a silicone polyoxamide and an acrylate polymer. For substantially normally incident light and for at least a first wavelength in a first wavelength range, the reflective polarizer reflects about 60% for a first polarization state and transmits about 40% for an orthogonal second polarization state. For at least a second wavelength in a second wavelength range, each of the reflective polarizer and the optical film transmits about 60% of an incident light for each of the first and second polarization states. For at least the first wavelength, optical film has an optical haze and a depolarization ratio. A ratio of the depolarization ratio to the optical haze is less than 0.1.

    Optical film and optical system
    37.
    发明授权
    Optical film and optical system 有权

    公开(公告)号：US11378723B2

    公开(公告)日：2022-07-05

    申请号：US16500517

    申请日：2018-05-22

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Zhaohui Yang ,  Brett J. Sitter ,  James A. Thielen ,  Nathaniel K. Naismith

    IPC: G02B5/18

    Abstract: A multilayer optical film including a first layer having an index of refraction n1 at a wavelength λ in a range from about 580 nm to about 650 nm, and a second layer having an index of refraction n2 at λ is described. The first and second layers define an interface therebetween comprising a two-dimensional grating. The grating may have an average height H such that |n1−n2|*H is in a range from 0.24 micrometers to 0.3 micrometers. Optical systems including the multilayer optical film are described. A subpixel in a display surface of the optical system may be diffracted into a zero diffraction order and a plurality of first diffraction orders where the intensities of the zero and first diffraction orders are with 10% of each other at λ. The optical system may have a modulation transfer function greater than 0.4 at 10 line pairs per millimeter.

    HEADSET AND HEAD-MOUNTED DISPLAY
    39.
    发明申请
    HEADSET AND HEAD-MOUNTED DISPLAY 有权

    公开(公告)号：US20210026143A1

    公开(公告)日：2021-01-28

    申请号：US17043070

    申请日：2019-04-18

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Brett J. Sitter ,  Zhaohui Yang ,  James A. Thielen ,  Byoung Kyu Kim

    IPC: G02B27/01 ,  G02B27/42

    Abstract: Headsets and head-mounted displays including first and second diffractive elements are described. In some cases, the first and second diffractive elements include first and second grating surfaces, and for at least one wavelength, the first and second grating surfaces have at least one different corresponding diffractive property. The head-mounted display may include two-dimensionally pixelated adjacent first and second display surfaces for displaying images, and first and second diffractive elements disposed adjacent the respective first and second display surfaces. In some cases, the first diffractive element is configured to diffract a first wavelength λ1, but not a different second wavelength into zero and first diffraction orders having intensities within 5% of each other, and the second diffractive element is configured to diffract the second wavelength but not the first wavelength 1, into zero and first diffraction orders having intensities within 5% of each other.

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