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公开(公告)号：US20230422567A1
公开(公告)日：2023-12-28
申请号：US18244895
申请日：2023-09-11
Applicant: TOPPAN INC.
Inventor： Shinya ISHIKAWA , Yoshiko ISHIMARU , Kai FUTAMATA
CPC classification number: H10K59/32 , H10K59/38 , H10K59/1201 , G02B1/18 , G02B1/16 , H10K2102/302
Abstract: An optical film includes a transparent substrate in which an ultraviolet shielding rate is 85% or more, and a colored layer containing a colorant. The colored layer includes one or more layers containing a first colorant material in which a maximum absorption wavelength is 470 nm or more and 530 nm or less and a half width of an absorption spectrum thereof is 15 nm or more and 45 nm or less, a second colorant material in which a maximum absorption wavelength is 560 nm or more and 620 nm or less and a half width of an absorption spectrum thereof is 15 nm or more and 55 nm or less, and a third colorant material in which a wavelength in a wavelength range of 400 nm to 780 nm at which a transmittance is lowest is in a range of 650 nm or more and 780 nm or less.
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公开(公告)号：US20230422568A1
公开(公告)日：2023-12-28
申请号：US18244897
申请日：2023-09-11
Applicant: TOPPAN INC.
Inventor： Shinya ISHIKAWA , Yoshiko ISHIMARU , Kai FUTAMATA
CPC classification number: H10K59/32 , H10K59/38 , H10K59/1201 , G02B1/18 , G02B1/16 , G02B1/12 , H10K2102/302
Abstract: An optical film includes a transparent substrate, a colored layer including one or more layers that contain a first colorant material with a maximum absorption wavelength of 470 nm or more and 530 nm or less and a half width of an absorption spectrum of 15 nm or more and 45 nm or less, a second colorant material with a maximum absorption wavelength of 560 nm or more and 620 nm or less and a half width of an absorption spectrum of 15 nm or more and 55 nm or less, and a third colorant material with a wavelength range of 400 nm to 780 nm, a wavelength with a transmittance in a range of 650 nm or more and 780 nm or less, and one or more functional layers facing a surface of the colored layer opposite the transparent substrate, with an ultraviolet absorption layer.
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公开(公告)号：US20240151878A1
公开(公告)日：2024-05-09
申请号：US18403955
申请日：2024-01-04
Applicant: TOPPAN INC.
Inventor： Kai FUTAMATA , Yoshiko Ishimaru , Shinya Ishikawa
IPC: G02B1/11
CPC classification number: G02B1/11
Abstract: An optical film includes a transparent substrate, one or more colored layers that contain a colorant and are provided on the transparent substrate, and one or more functional layers that are provided on a side opposite to that on which the transparent substrate is disposed, with the one or more colored layers interposed therebetween. The one or more colored layers contain a first color material in which a maximum absorption wavelength is in a range of 470 nm or more and 530 nm or less and a half-width of an absorption spectrum thereof is 15 nm or more and 45 nm or less, and a second color material in which a maximum absorption wavelength is in a range of 560 nm or more and 620 nm or less and a half-width of an absorption spectrum thereof is 15 nm or more and 55 nm or less.
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Patent Agency Ranking
公开(公告)号：US20240199889A1
公开(公告)日：2024-06-20
申请号：US18440204
申请日：2024-02-13
Applicant: TOPPAN INC.
Inventor： Kai FUTAMATA , Yoshiko ISHIMARU , Takenori GODA , Shigeki FURUKAWA , Hanae TAGAMI
Abstract: A composition for forming a colored layer includes a dye, an ionizing radiation-curable resin, a photoinitiator, and a solvent. The dye contains a first colorant and a second colorant, the first colorant has a wavelength of maximum absorption in a range of 470 nm to 530 nm, and an absorption spectrum with a full width at half maximum of 15 nm to 45 nm, the second colorant has a wavelength of maximum absorption in a range of 560 nm to 620 nm, and an absorption spectrum with a full width at half maximum of 15 nm to 55 nm, and the ionizing radiation-curable resin contains a resin having an amine structure.
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公开(公告)号：US20230358932A1
公开(公告)日：2023-11-09
申请号：US18354568
申请日：2023-07-18
Applicant: TOPPAN INC.
Inventor： Yoshiko ISHIMARU , Kai FUTAMATA
CPC classification number: G02B5/208 , B32B7/023 , G02B1/12 , G02B5/28 , B32B2307/4026 , B32B2551/00
Abstract: An optical film includes a transparent substrate having opposite first and second surfaces, a colored layer formed to face the first surface of the substrate, and an optical function layer. A colorant in the colored layer contains at least one of a first coloring material having a maximum absorption wavelength in a range of 470 to 530 nm and an absorption spectral half width of 15 to 45 nm, a second coloring material having a maximum absorption wavelength in a range of 560 to 620 nm and an absorption spectral half width of 15 to 55 nm, and a third coloring material having the lowest transmittance in a wavelength range of 400 to 800 nm is in a range of 650 to 800 nm. A transmittance in one of the absorption wavelength bands of the colorant is 1% or more and less than 50%, and ΔE * ab.
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公开(公告)号：US20230358930A1
公开(公告)日：2023-11-09
申请号：US18223420
申请日：2023-07-18
Applicant: TOPPAN INC.
Inventor： Yoshiko ISHIMARU , Kai FUTAMATA
CPC classification number: G02B5/208 , G02B1/115 , G02B1/14 , G02B5/28 , B32B7/023 , B32B2307/4026 , B32B2551/00
Abstract: An optical film includes a substrate, an optical function layer, and a colored layer. The substrate has an ultraviolet shielding rate of 85% or higher according to JIS L 1925. The optical function layer is formed on a first surface side of the substrate. The colored layer is formed on a second surface side. A difference ΔE*ab between chromaticities before and after a lightfastness test is 5 or less. A first coloring material includes a maximum absorption wavelength of 470 to 530 nm and an absorption spectrum half width of 15 to 45 nm. A second coloring material includes a maximum absorption wavelength of 560 to 620 nm and an absorption spectrum half width of 15 to 55 nm. A third coloring material has a wavelength having the lowest transmittance in a wavelength range of 400 to 800 nm is in a range of 650 to 800 nm.
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公开(公告)号：US20240151879A1
公开(公告)日：2024-05-09
申请号：US18405213
申请日：2024-01-05
Applicant: TOPPAN INC.
Inventor： Kai FUTAMATA , Yoshiko ISHIMARU , Shinya ISHIKAWA
IPC: G02B1/11
CPC classification number: G02B1/11
Abstract: An optical film comprises: a transparent substrate having an ultraviolet blocking rate of 85% or more according to JIS L 1925; one or more functional layers formed on a first surface side of the transparent substrate; and a colored layer that is formed on a second surface side of the transparent substrate that is configured by one or more layers containing a colored material. The colored layer contains a first colorant that has a maximum absorption wavelength in a range of 470 nm or more and 530 nm or less, an absorption spectrum thereof having a half-width of 15 nm or more and 45 nm or less, and a second colorant that has a maximum absorption wavelength in a range of 560 nm or more and 620 nm or less, an absorption spectrum thereof having a half-width of 15 nm or more and 55 nm or less.
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公开(公告)号：US20240004113A1
公开(公告)日：2024-01-04
申请号：US18244891
申请日：2023-09-11
Applicant: TOPPAN INC.
Inventor： Shinya ISHIKAWA , Yoshiko ISHIMARU , Kai FUTAMATA
CPC classification number: G02B5/208 , C09J11/06 , G02B5/223 , G03F7/0007 , C09J2301/312 , C09J2301/408
Abstract: An adhesive sheet includes a colored adhesive layer of one or more layers comprising a first colorant with the maximum absorption wavelength in the range of 470 nm or more and 530 nm or less and the half width of absorption spectrum is 15 nm or more and 45 nm or less, a second colorant with the maximum absorption wavelength in the range of 560 nm or more and 620 nm or less and the half width of absorption spectrum thereof is 15 nm or more and 55 nm or less, and a third colorant with the wavelength range of 400 nm or more and 780 nm or less, the wavelength with a lowest transmittance is in the range of 650 nm or more and 780 nm or less; and a UV absorbing adhesive layer on the surface of the colored adhesive layer with a UV shielding rate of 85%.
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