POLARIZATION PLATE FOR FOLDING DISPLAY

    公开(公告)号:US20220236467A1

    公开(公告)日:2022-07-28

    申请号:US17615426

    申请日:2020-05-15

    申请人: TOYOBO CO., LTD.

    IPC分类号: G02B5/30 G09F9/30 B32B27/36

    摘要: The present invention provides a polarizing plate for a foldable display free of a risk of causing distortion in an image displayed at a folding portion thereof after being repeatedly folded. The polarizing plate for a foldable display includes: a polarizer; and a polarizer protective film formed of a polyester film laminated on at least one surface of the polarizer, wherein the polyester film satisfies the following conditions: (1) a refractive index in a bending direction is from 1.590 to 1.620; (2) a refractive index in a folding portion direction is from 1.670 to 1.700; (3) a refractive index in a thickness direction is 1.520 or less; and (4) a density is 1.380 g/cm3 or more, wherein the bending direction refers to a direction orthogonal to a folding portion of the polyester film at a time when the polyester film is folded.

    POLYESTER FILM AND APPLICATION THEREFOR

    公开(公告)号:US20220227950A1

    公开(公告)日:2022-07-21

    申请号:US17614228

    申请日:2020-05-14

    申请人: TOYOBO CO., LTD.

    摘要: Provided is a polyester film for a touchscreen module substrate of a foldable display which is free of occurrence of a crack at a folding portion thereof, in order to provide a foldable display excellent in mass productivity, and free of a risk of causing distortion in an image displayed at a folding portion thereof after being repeatedly folded. The polyester film for a touchscreen module substrate of a foldable display satisfies the following conditions: (1) a refractive index in a bending direction is from 1.590 to 1.620; (2) a refractive index in a folding portion direction is from 1.670 to 1.700; (3) a refractive index in a thickness direction is 1.520 or less; and (4) a density is 1.380 g/cm or more, wherein the bending direction refers to a direction orthogonal to a folding portion of the polyester film at a time when the polyester film is folded.

    FILTER MEDIUM FOR FILTER AND FILTER

    公开(公告)号:US20220219104A1

    公开(公告)日:2022-07-14

    申请号:US17609828

    申请日:2020-05-11

    申请人: TOYOBO CO., LTD.

    发明人: Kento Takami

    IPC分类号: B01D39/16

    摘要: The filter medium for a filter of the present invention has a laminate structure in which a long-fiber non-woven fabric and a wet non-woven fabric are stacked, wherein the wet non-woven fabric comprises vinylon, polyester, and polyvinyl alcohol, is disposed on a most upstream side of air flow, has a surface located on the most upstream side of air flow, the surface having a surface roughness (SMD) not larger than 2.7 μm, and has a surface stacked on the long-fiber non-woven fabric, the surface having (a) a surface roughness (SMD) not smaller than 3.0 μm or (b) a rough texture (MMD) not lower than 0.02.

    MULTILAYER FILM AND USE OF SAME
    54.
    发明申请

    公开(公告)号:US20220213350A1

    公开(公告)日:2022-07-07

    申请号:US17614154

    申请日:2020-05-14

    申请人: TOYOBO CO., LTD.

    IPC分类号: C09J7/25 C08J7/046 G02B1/14

    摘要: Provided is a laminated film for a foldable display, the laminated film being free of occurrence of a fold mark or a crack at a folding portion thereof, in order to provide, for example, a foldable display excellent in mass productivity, and free of a risk of causing distortion in an image displayed at a folding portion thereof after being repeatedly folded. The laminated film for a foldable display includes: a polyester film having a thickness of from 10 μm to 100 μm; and an adhesive layer formed on at least one surface of the polyester film, wherein the polyester film satisfies the following conditions: (1) a refractive index in a bending direction is from 1.590 to 1.620; (2) a refractive index in a folding portion direction is from 1.670 to 1.700; (3) a refractive index in a thickness direction is 1.520 or less; and (4) a density is 1.380 g/cm3 or more, wherein the bending direction refers to a direction orthogonal to a folding portion of the polyester film at a time when the polyester film is folded.

    Silicone-coated fabric
    55.
    发明授权

    公开(公告)号:US11376827B2

    公开(公告)日:2022-07-05

    申请号:US16343087

    申请日:2017-10-20

    申请人: TOYOBO CO., LTD.

    发明人: Hirotaka Harada

    摘要: This invention provides a silicone-coated fabric for airbags in which creases can be easily formed by applying heat and pressure, and that can be stored compactly. More specifically, the invention provides a silicone-coated fabric comprising a silicone-based resin coated on one surface of a synthetic fiber woven fabric, and a thermoplastic resin adhering to a non-silicone coated surface, which is not coated with the silicone-based resin, wherein the adhesive strength between the non-silicone coated surfaces is 0.01 to 100 N/cm.

    POLYBUTYLENE TEREPHTHALATE RESIN COMPOSITION

    公开(公告)号:US20220195112A1

    公开(公告)日:2022-06-23

    申请号:US17441833

    申请日:2020-03-24

    申请人: TOYOBO CO., LTD.

    摘要: The present invention relates to a polybutylene terephthalate resin composition comprising 20 to 50 mass % of a polybutylene terephthalate resin (A) having an intrinsic viscosity of 0.60 to 1.0 dl/g, 20 to 45 mass % of a fibrous filler (B), 1 to 20 mass % of a polycarbonate resin (C) having a melt volume rate (MVR) of 30 cm3/10 min or more, 3 to 20 mass % of a copolymerized polybutylene terephthalate resin (D), and 0 to 20 mass % of an inorganic filler (E) other than the fibrous filler (B). The polybutylene terephthalate resin composition can form a molding that remedies sink marks, maintains high heat deflection temperature, and has excellent appearance.

    COMPOSITION, LAYERED BODY, AND COVERED METAL PRODUCT

    公开(公告)号:US20220169782A1

    公开(公告)日:2022-06-02

    申请号:US17599122

    申请日:2019-10-25

    申请人: TOYOBO CO., LTD.

    IPC分类号: C08G63/189

    摘要: The present invention provides a composition having a sufficiently satisfying level of processability, curability, retort resistance or heat resistance, and abrasion resistance. The present invention relates to a composition containing: a solvent; thermoplastic resin (A) particles undissolved in the solvent; and a thermoplastic resin (B) dissolved in the solvent.

    FOLDABLE DISPLAY AND PORTABLE TERMINAL DEVICE

    公开(公告)号:US20220164003A1

    公开(公告)日:2022-05-26

    申请号:US17429147

    申请日:2020-01-15

    申请人: TOYOBO CO., LTD.

    摘要: Provided is a foldable display that is excellent in mass production applicability and unlikely to have image distortion at the folding portion of the display after repeated folding, as well as a mobile device equipped therewith. The foldable display contains a surface protection film and a polarizer. The surface protection film is composed of a polyester film, and the angle made by the slow axis of the polyester film with the absorption axis of the polarizer is 10 to 80°. The polyester film has a refractive index in the bending direction of 1.590 to 1.620, a refractive index in the direction of a folding portion of 1.670 to 1.700, a refractive index in the thickness direction of 1.520 or less, and a density of 1.380 g/cm3 or more, wherein the bending direction refers to a direction orthogonal to the folding portion of the polyester film to be folded.

    LAMINATED STRETCHED POLYAMIDE FILM
    59.
    发明申请

    公开(公告)号:US20220153007A1

    公开(公告)日:2022-05-19

    申请号:US17441191

    申请日:2020-03-10

    申请人: TOYOBO CO., LTD.

    摘要: It is provided that the laminated stretched polyamide film having excellent water-resistant adhesiveness (water-resistant lamination strength), shock resistance, and pinhole resistance. A laminated stretched polyamide film that is a biaxially stretched polyamide film comprising three layers including layer B: an easily adhesive layer, layer A: a base layer, and layer C: a slippery layer in this order, wherein the layer A contains not lower than 65% by mass of polyamide 6, the layer B contains 0 to 40% by mass of polyamide 6 and 60 to 100% by mass of a polyamide 6 copolymer in which a ratio of a copolymerization component in the copolymer is 3 to 35% by mass, and the layer C contains not lower than 70% by mass of polyamide 6 and 0.05 to 1% by mass of fine particles having an average particle diameter of 0.1 to 10 μm.