OPTICAL POLYMER MATERIAL, OPTICAL FILM, DISPLAY DEVICE, OPTICAL POLYMER MATERIAL MANUFACTURING METHOD, AND OPTICAL FILM MANUFACTURING METHOD

    公开(公告)号:US20230065322A1

    公开(公告)日:2023-03-02

    申请号:US17789155

    申请日:2020-12-24

    申请人: Yasuhiro KOIKE

    摘要: An optical polymer material includes an alternating copolymer made of a monomer of a styrene derivative and a monomer of a maleimide derivative, and has a nonlinear property in which the photoelastic coefficient of the optical polymer material decreases to a predetermined value with increase in composition ratio of the styrene derivative, and rises above the predetermined value with further increase in composition ratio of the styrene derivative. A composition ratio of the styrene derivative is within a predetermined range. An absolute value of the photoelastic coefficient is equal to or smaller than a first absolute value within the predetermined range of the composition ratio, and an absolute value of the intrinsic birefringence is equal to or smaller than a second absolute value of the optical polymer material within the predetermined range of the composition ratio.

    CURABLE COMPOSITION
    3.
    发明申请

    公开(公告)号:US20230054785A1

    公开(公告)日:2023-02-23

    申请号:US17786692

    申请日:2020-10-26

    发明人: Daisuke ITO

    摘要: Provided is a curable composition having excellent workability and being capable of forming a cured product having super heat resistance by curing. The curable composition of the present disclosure includes a curable compound represented by Formula (1) below and a radical polymerization initiator. In the following formula, R1 and R2 each represent a curable functional group, and D1 and D2 each represent a single bond or a linking group. L represents a divalent group having a repeating unit containing a structure represented by Formula (I) below and a structure represented by Formula (II) below. Ar1 to A3 each represent an arylene group or a group in which two or more arylene groups are bonded via a single bond or a linking group. X represents —CO—, —S—, or —SO2—, and Y represents —S—, —SO2—, —O—, —CO—, —COO—, or —CONH—. n represents an integer of 0 or greater.