POLARIZER AND IMAGE DISPLAY DEVICE

    公开(公告)号:US20220204856A1

    公开(公告)日:2022-06-30

    申请号:US17698493

    申请日:2022-03-18

    IPC分类号: C09K19/60 G02B5/30 C09K19/38

    摘要: Provided is a polarizer with excellent durability and an image display device including the polarizer. The polarizer includes a composition for forming a polarizer which contains a polymer liquid crystal compound and a dichroic material, in which the dichroic material includes a first dichroic material and a second dichroic material, an absolute value of a difference between a log P value of the first dichroic material and a log P value of the second dichroic material is 1.0 or less, and a stabilization energy indicating an energy loss in a case where one dichroic material of the first dichroic material and the second dichroic material is incorporated into a structure singly formed of the other dichroic material that is aligned therein is 30 kcal/mol or less.

    LAMINATE, OPTICAL DEVICE, AND DISPLAY DEVICE

    公开(公告)号:US20220283351A1

    公开(公告)日:2022-09-08

    申请号:US17752409

    申请日:2022-05-24

    IPC分类号: G02B5/30 C09J133/10

    摘要: An object of the present invention is to provide a laminate including a light absorption anisotropic layer, in which a decrease in a degree of polarization is suppressed even in a case where the laminate is simultaneously stretched in a plurality of directions, and an optical device and a display device, each using the laminate. The laminate of an embodiment of the present invention is a laminate having at least a resin substrate and a light absorption anisotropic layer, in which a tan δ peak temperature of the resin substrate is 170° C. or lower, the light absorption anisotropic layer includes a liquid crystalline compound and a dichroic substance, and an alignment degree of the dichroic substance is 0.95 or more.

    METHOD FOR PRODUCING LIGHT ABSORPTION ANISOTROPIC FILM

    公开(公告)号:US20220281191A1

    公开(公告)日:2022-09-08

    申请号:US17752415

    申请日:2022-05-24

    摘要: Provided is a method for producing a light absorption anisotropic film having a three-dimensional shape and having excellent alignment, which is capable of manufacturing a light absorption anisotropic film having a high degree of polarization even where a three-dimensional shape is provided by heating molding. The method includes a step of producing an intermediate laminate having an optical coating film formed using a liquid crystal composition containing a liquid crystalline compound and a dichroic substance, and an alignment film; a step of heating the intermediate laminate produced by the film forming step to impart a three-dimensional shape; an aligning step of aligning a liquid crystalline component included in the optical coating film in the intermediate laminate imparted with the three-dimensional shape by the heating molding step to produce a light absorption anisotropic film; and a step of curing the light absorption anisotropic film produced by the aligning step.