公开(公告)号：US20240391905A1

公开(公告)日：2024-11-28

申请号：US18689199

申请日：2022-07-15

Applicant: DIC Corporation

Inventor： Yasuhiro Kuwana ,  Xia Yang ,  Guohong Sui ,  Shumei Ji ,  Wei Zhao

IPC: C07D403/14 ,  C08K5/3417 ,  C09B23/01 ,  C09D5/33 ,  C09D175/14

Abstract: An object is to provide bipyrrolinone compound that has a low absorption for wavelengths in the infrared region and exhibits a high degree of blackness when used as a black colorant. Another object is to provide articles including the compound, and examples of the articles include inks, printed matter, coating compositions, coated articles, plastics, fibers, films, cosmetics, and molded articles and further include articles in which any of the foregoing articles is used, such as near-infrared-transparent articles, wavelength-controlled devices, filters for infrared sensors, filters for solid-state image sensing devices, covers for LiDAR, coatings for vehicles equipped with an autonomous driving system, and black matrices for image display devices. A bipyrrolinone compound having a specific structure has been discovered, and the compound has been discovered to have a low absorption for wavelengths in the infrared region and have a high degree of blackness. Accordingly, the objects have been achieved.

公开(公告)号：US20240352256A1

公开(公告)日：2024-10-24

申请号：US18684055

申请日：2022-08-18

Applicant: DIC Corporation

Inventor： Yasuhiro Kuwana ,  Momoka Kusano ,  Kengo Yasui

IPC: C09B47/08

CPC classification number: C09B47/085

Abstract: Provided are a phthalocyanine pigment that is non-water soluble and has antibacterial or antiviral effect, and inks, printed matter, paints, coatings, plastics, fibers, films, cosmetics, and the like containing the pigment. A specific phthalocyanine pigment has antibacterial or antiviral effect, although the pigment is non-water soluble, and has significantly high performance in terms of heat resistance and light fastness, compared with a dye-based antibacterial colorant, because of being a pigment. Because of being a pigment, the phthalocyanine pigment also has antibacterial and antiviral effects in applications such as inks, printed matter, paints, coatings, plastics, fibers, films, and cosmetics, thus achieving the task described above.

公开(公告)号：US20190233565A1

公开(公告)日：2019-08-01

申请号：US15543377

申请日：2016-01-12

Applicant: DIC Corporation

Inventor： Kouichi Endo ,  Toru Ishii ,  Yasuhiro Kuwana ,  Kazuaki Hatsusaka ,  Mika Yamamoto

IPC: C08F220/68 ,  C09K19/38 ,  C08F222/24 ,  G02B1/04 ,  G02B5/30 ,  G02F1/13363 ,  F21V9/14 ,  H01L51/52

CPC classification number: C08F220/68 ,  C08F20/00 ,  C08F222/24 ,  C08F2222/245 ,  C09K19/38 ,  C09K19/3861 ,  C09K19/54 ,  F21V9/14 ,  G02B1/04 ,  G02B1/041 ,  G02B5/30 ,  G02B5/3016 ,  G02F1/13 ,  G02F1/13363 ,  G02F2001/133633 ,  H01L51/5275

Abstract: The present invention provides a polymerizable composition containing a specific polymerizable compound and a fluorosurfactant having, in its molecule, a pentaerythritol skeleton or a dipentaerythritol skeleton. The invention also provides an optically anisotropic body, a retardation film, an antireflective film, and a liquid crystal display device that are produced using the polymerizable composition of the present invention. The present invention is useful because, when an optically anisotropic body is produced by photo-polymerization of the polymerizable composition, three features including the leveling properties of the surface of the optically anisotropic body, offset onto the substrate, and liquid crystal alignment can be improved simultaneously.

公开(公告)号：US20180362849A1

公开(公告)日：2018-12-20

申请号：US15736889

申请日：2016-06-07

Applicant: DIC Corporation

Inventor： Kouichi Endo ,  Yasuhiro Kuwana

IPC: C09K19/38 ,  C08F222/10 ,  C08F220/68 ,  G02B5/30 ,  G02B1/111 ,  G02F1/1333

Abstract: The present invention provides a polymerizable liquid crystal composition capable of forming a uniform homeotropic alignment in producing a polymer through polymerization of the polymerizable liquid crystal composition. Further, the present invention provides a polymer obtained through polymerization of the polymerizable liquid crystal composition and having good alignment performance and high durability (retardation retention) with little cissing, and an optically anisotropic body using the polymer. Specifically, the present invention provides a polymerizable liquid crystal composition containing a polymerizable liquid crystal compound represented by the general formula (II-1), one or more kinds of polymerizable liquid crystal compounds (II-2) having one polymerizable functional group and/or one or more kinds of polymerizable liquid crystal compounds having 2 or more polymerizable functional groups in the molecule and represented by the general formula (I-1).

公开(公告)号：US20180327669A1

公开(公告)日：2018-11-15

申请号：US15755217

申请日：2016-07-14

Applicant: DIC Corporation

Inventor： Kazuaki Hatsusaka ,  Yasuhiro Kuwana ,  Kouichi Endo ,  Toru Ishii ,  Mika Yamamoto

IPC: C09K19/38 ,  C09K19/02 ,  C09K19/54

CPC classification number: C09K19/3833 ,  C08F20/18 ,  C09K19/02 ,  C09K19/0208 ,  C09K19/542 ,  C09K2019/548 ,  C09K2219/03 ,  G02B5/30

Abstract: An object of the present invention is to provide a powder mixture containing a polymerizable liquid crystal compound, the powder mixture having a low risk of occurrence of fire due to the flammability of solvent, causing no changes in the appearance due to, for example, precipitation or crystallization of the solute during storage at low temperatures, causing no changes in the composition due to evaporation of solvent during long-term storage or leakage of solvent during long-term storage or transportation, being not viscous and having fluidity unlike nematic liquid crystal compositions, and being easily handled. Another object is to provide a nematic liquid crystal composition, a solution composition, cured products, optical films, and display devices that employ the above-described powder mixture.

公开(公告)号：US20180327668A1

公开(公告)日：2018-11-15

申请号：US15757409

申请日：2016-07-14

Applicant: DIC Corporation

Inventor： Masahiro Horiguchi ,  Mika Takasaki ,  Yasuhiro Kuwana

IPC: C09K19/38

CPC classification number: C09K19/3814 ,  C08F2/48 ,  C08F220/36 ,  C08F220/38 ,  C09K2019/0448 ,  G02B5/30 ,  G02F1/13363

Abstract: The polymerizable composition includes a compound which is reverse wavelength dispersive or low wavelength dispersive and has at least one mesogenic group, the mixture satisfying Expression (1). In the expression (1), YI represents a yellowness index of the compound and Δn represents a refractive index anisotropy at a wavelength of 550 nm in the case of being formed into a film: 0.5≤YI/Δn≤500 Expression (1).

公开(公告)号：US20170190819A1

公开(公告)日：2017-07-06

申请号：US15312884

申请日：2015-06-16

Applicant: DIC Corporation

Inventor： Kouichi Endo ,  Yasuhiro Kuwana ,  Hidetoshi Nakata ,  Mika Yamamoto ,  Kazuaki Hatsusaka ,  Isa Nishiyama

IPC: C08F220/68 ,  C09D133/14 ,  G02B1/08 ,  C09K19/38 ,  G02B5/30 ,  C08F222/20 ,  C09D135/02

CPC classification number: C08F220/68 ,  C08F220/10 ,  C08F220/30 ,  C08F222/20 ,  C08F2220/1875 ,  C08F2220/281 ,  C08F2220/282 ,  C08F2220/283 ,  C08F2800/20 ,  C09D133/14 ,  C09D135/02 ,  C09K19/22 ,  C09K19/322 ,  C09K19/3814 ,  C09K19/54 ,  C09K2019/0448 ,  C09K2019/122 ,  C09K2019/181 ,  C09K2019/2035 ,  C09K2019/2042 ,  C09K2019/2078 ,  C09K2019/3009 ,  C09K2019/3075 ,  C09K2019/3083 ,  C09K2219/03 ,  G02B1/08 ,  G02B5/30 ,  G02B5/3016 ,  C08F2222/102 ,  C08F2220/303

Abstract: It is an object of the present invention to provide a polymerizable liquid crystal composition that has an excellent storage stability and that enables a film formed by application of the composition to a base material and the subsequent exposure to heat or active energy rays to have a good adhesion to the base material. It is another object of the present invention to provide an optically anisotropic body that is produced using such a polymerizable composition and that has a good orientation. In particular, the present invention provides a polymerizable liquid crystal composition containing a polymerizable adhesion enhancer and a polymerizable liquid crystal compound. In addition, the present invention also provides an optically anisotropic body containing such a polymerizable liquid crystal composition.

公开(公告)号：US09676959B2

公开(公告)日：2017-06-13

申请号：US14890453

申请日：2014-05-23

Applicant: DIC Corporation

Inventor： Yasuhiro Kuwana ,  Hidetoshi Nakata ,  Koichi Endou ,  Mika Yamamoto ,  Kunihiko Kotani ,  Hiroshi Hasebe ,  Yoshiyuki Ono

IPC: C09D133/14 ,  G02F1/13 ,  C08F220/30 ,  C08F222/10 ,  G02B5/30 ,  C08F220/18 ,  G02F1/13363 ,  C09K19/00 ,  C09D135/02

CPC classification number: C09D133/14 ,  C08F220/18 ,  C08F220/30 ,  C08F222/10 ,  C08F2220/302 ,  C08F2222/1013 ,  C09D135/02 ,  C09K19/00 ,  G02B5/3016 ,  G02B5/3083 ,  G02F1/13363 ,  G02F2202/023

Abstract: A polymerizable composition solution that has good storage stability and allows a polymerizable compound in the polymerizable composition to be aligned well with no defects after application to a base and removal of a solvent by a drying process and also an optically anisotropic body that includes the solution and has good alignment without any defects. A solution containing a polymerizable composition and an organic solvent, wherein the polymerizable composition contains 90 mass % or more of a polymerizable compound intramolecularly having a 2-methyl-1,4-phenylene group as represented by general formula (1) and an optically anisotropic body including the solution.

公开(公告)号：US10927263B2

公开(公告)日：2021-02-23

申请号：US16317963

申请日：2017-07-13

Applicant: DIC Corporation

Inventor： Kouichi Endo ,  Yasuhiro Kuwana ,  Mika Takasaki

IPC: C09D4/00 ,  C09D7/41 ,  C07D277/82 ,  C07D417/04 ,  C08F20/38 ,  C08F22/24 ,  C08K5/42 ,  C09D133/14 ,  C09D135/02 ,  G02B3/00 ,  G02F1/1335 ,  G02B5/30 ,  C09D5/33 ,  G02B1/04 ,  H01L51/50 ,  C09D7/63 ,  F21V9/14 ,  G02B1/08 ,  G02B5/08 ,  G02F1/13363 ,  H01L51/52 ,  C08F220/36 ,  C08F220/40 ,  C08F222/30 ,  C08F2/38 ,  C08F220/54 ,  C08F220/30 ,  C08F220/18 ,  C08F222/10 ,  C08F222/20 ,  C08F222/22 ,  C08F222/24

Abstract: An object of the present invention is to provide a polymerizable composition with which a polymer having a high degree of hardness can be produced. Another object is to provide, for example, an optically anisotropic body, a phase retardation film, an optical compensation film, an antireflection film, a lens, and a lens sheet that are composed of the polymerizable composition and a liquid crystal display element, an organic light-emitting display element, a lighting element, an optical component, a coloring agent, a security marker, a laser emission member, a polarizing film, a coloring material, and a printed item that are produced using the polymerizable composition. The present invention provides a polymerizable composition including a polymerizable compound represented by General Formula (IA) which has a specific structure including a plurality of polymerizable groups.

公开(公告)号：US10479844B2

公开(公告)日：2019-11-19

申请号：US16249355

申请日：2019-01-16

Applicant: DIC CORPORATION

Inventor： Kouichi Endo ,  Toru Ishii ,  Yasuhiro Kuwana ,  Kazuaki Hatsusaka ,  Mika Yamamoto

IPC: C08F2/44 ,  C08F20/18 ,  G02B5/30 ,  C08F220/24 ,  C08F220/28 ,  C08F265/06 ,  G02B1/04 ,  C09D151/00 ,  G02F1/13363

Abstract: The present invention provides a polymerizable composition containing a specific polymerizable compound and a fluorosurfactant having a specific polyoxyalkylene skeleton and having specific molecular weight. The invention also provides an optically anisotropic body, a retardation film, an antireflective film, and a liquid crystal display device that are produced using the polymerizable composition of the present invention. The present invention is useful because, when an optically anisotropic body is produced by photo-polymerization of the polymerizable composition, three features including the leveling properties of the surface of the optically anisotropic body, offset onto the substrate, and liquid crystal alignment can be improved simultaneously.