OPTICAL LAMINATE
    13.
    发明申请
    OPTICAL LAMINATE 审中-公开

    公开(公告)号:US20190170919A1

    公开(公告)日:2019-06-06

    申请号:US16253212

    申请日:2019-01-21

    Abstract: An optical laminate includes a wavelength selective reflective element which is provided with a reflection layer selectively reflecting light in a specific reflection wavelength region, and an absolute phase adjustment layer which is provided on at least one surface side of the wavelength selective reflective element and has optical isotropy, and the absolute phase adjustment layer has an in-plane distribution of at least one of a refractive index or a film thickness, and thus has an in-plane distribution of an optical path length in a film thickness direction.

    MEMBER FOR DISPLAYING PROJECTED IMAGE AND PROJECTION SYSTEM

    公开(公告)号:US20180074315A1

    公开(公告)日:2018-03-15

    申请号:US15819533

    申请日:2017-11-21

    Abstract: Provided is a member for displaying a projected image, including: a first base material; a second base material; and an optical member, in which at least one optical member is disposed on a surface of the first base material or the second base material, the optical member includes a plurality of cholesteric liquid crystal dots, the cholesteric liquid crystal dot is formed of a liquid crystal material having a cholesteric structure, the cholesteric structure imparts a striped pattern formed of bright portions and dark portions in a cross-sectional image of the cholesteric liquid crystal dot taken by a scanning electron microscope in a direction perpendicular to a substrate, the dot includes a portion where the height thereof successively increases to the maximum height thereof from an end portion toward the center thereof, an angle between a normal line with respect to a line formed by the first dark portion from the surface of the dot on a side opposite to the substrate and a line representing the surface of the is in a range of 70° to 90° in this portion of the cross-sectional image, and a reflection center wavelength of the dot is in a range of 400 to 1000 nm.

    OPTICAL MEMBER AND IMAGE DISPLAY DEVICE INCLUDING OPTICAL MEMBER

    公开(公告)号:US20170227692A1

    公开(公告)日:2017-08-10

    申请号:US15496622

    申请日:2017-04-25

    CPC classification number: G02B5/26 G06F3/0321 G06F3/03545 G06F3/0421

    Abstract: The optical member of the present invention includes: a substrate; and a dot that is in contact with a surface of the substrate, in which the dot has wavelength selective reflecting properties, the dot is formed of a liquid crystal material having a cholesteric structure, the cholesteric structure has a stripe pattern including bright portions and dark portions in a cross-sectional view of the dot when observed with a scanning electron microscope, the dot includes a portion having a height which continuously increases to a maximum height in a direction moving from an end portion of the dot to the center of the dot, in the portion, an angle between a normal line perpendicular to a line, which is firmed using a first dark portion from a surface of the dot, and the surface is in a range of 70° to 90°, and the liquid crystal material includes a surfactant.

    OPTICAL ELEMENT AND METHOD OF MANUFACTURING OPTICAL ELEMENT

    公开(公告)号:US20210191169A1

    公开(公告)日:2021-06-24

    申请号:US17133083

    申请日:2020-12-23

    Abstract: An optical element includes: a support; an alignment layer that is provided on one surface of the support and has an uneven structure in which a recess portion and a protrusion portion are alternately provided, the recess portion extending in a line shape including a curve having a curvature of 3.0 mm−1 or higher, and the protrusion portion extending in a line shape including a curve having a curvature of 3.0 mm−1 or higher; and a liquid crystal layer having an alignment pattern in which an optical axis of a liquid crystal molecule is parallel to the surface of the support and is aligned along the recess portion and the protrusion portion in the alignment layer.

    OPTICAL ELEMENT, LIGHT GUIDE ELEMENT, AND IMAGE DISPLAY DEVICE

    公开(公告)号:US20210011319A1

    公开(公告)日:2021-01-14

    申请号:US17034182

    申请日:2020-09-28

    Abstract: Provided is an optical element in which transmission of incident light with an angle in a predetermined direction is allowed and the brightness of transmitted light is high. The optical element is formed using a composition including a liquid crystal compound and has a liquid crystal alignment pattern in which a direction of an optical axis derived from the liquid crystal compound rotates in one direction; and the optically-anisotropic layer has regions in which the optical axis is twisted in a thickness direction of the optically-anisotropic layer and rotates, the regions having different magnitudes of twist angles of the rotation in a plane.

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