Patents Assigned to TOPPAN Holdings Inc.
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Publication number: 20250087918Abstract: A flexible wiring board unit includes a first flexible wiring board extending in a first direction, and a second flexible wiring board extending in a second direction. The second flexible wiring board is electrically connected to the first flexible wiring board on a first side of the second flexible wiring board in the second direction, the first direction and the second direction mutually intersecting, the first flexible wiring board includes a first bonding terminal and a second bonding terminal formed in the first direction and connected to a power supply target, and the second flexible wiring board includes a first power supply terminal and a second power supply terminal formed on a second side opposite to the first side in the second direction and connected to an external power supply.Type: ApplicationFiled: November 21, 2024Publication date: March 13, 2025Applicant: TOPPAN HOLDINGS INC.Inventors: Masaki TSUJI, Hideshi SATO, Gen NAKAMURA
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Publication number: 20250085404Abstract: A range imaging apparatus includes a light source unit, a light receiving unit having pixel circuits formed in a two-dimensional matrix and a pixel driver circuit, and a range computing unit that calculates the distance to a subject based on the amount of charge stored in each charge storage. The light pulse is structured light made up of light dots, and the range computing unit calculates the distance to the subject by using a value obtained by subtracting, from a first amount of charge stored in the charge storage in a first pixel circuit that receives directly reflected light, a second amount of charge based on an amount of charge stored in the charge storage in a second pixel circuit that is located near the first pixel circuit and does not receive the directly reflected light.Type: ApplicationFiled: November 22, 2024Publication date: March 13, 2025Applicant: TOPPAN HOLDINGS INC.Inventors: Kazuto YAMAMOTO, Tomoyuki AKAHORI, Tomohiro NAKAGOME
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Publication number: 20250089549Abstract: An optical film includes: a transparent substrate; and a colored layer laminated on at least one side of the transparent substrate, the colored layer containing a dye (A), the dye (A) containing a colorant having a wavelength of maximum absorption in the range of 470 nm to 530 nm, the colorant containing a dipyrromethene cobalt complex having a structure represented by formula (I), in which R1 to R7 are combined such that a free energy change between before and after the reaction, calculated by applying R1 to R7 in the formula (I) to a predetermined reaction formula (II) using a quantum chemical calculation program Gaussian 16 with a calculation method B3LYP and a basis function 6-31G (d,p) (however, a basis function LanL2DZ is assigned to elements having an atomic number greater than that of Kr in the periodic table), is 0.92 kcal/mol or greater.Type: ApplicationFiled: July 5, 2024Publication date: March 13, 2025Applicant: TOPPAN HOLDINGS INC.Inventors: Hanae TAGAMI, Shigeki FURUKAWA, Erika SHIMADA, Yoshiko ISHIMARU, Kai FUTAMATA, Shinya ISHIKAWA
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Publication number: 20250084460Abstract: A method of detecting a nucleic acid including mixing a fluid including a target nucleic acid with a detection reagent including a first enzyme for cleaving a first nucleic acid having a first flap and a second enzyme for cleaving a second nucleic acid such that the target nucleic acid, the first nucleic acid and the second nucleic acid form a complex as a first invasive structure, conducting a first reaction which causes the first enzyme to cleave the first flap of the first invasive structure and produces a third nucleic acid that forms a complex, as a second invasive structure, with a fourth nucleic acid having a second flap, and conducting a second reaction which causes the second enzyme to cleave the second flap of the second invasive structure and produces a cleaved product.Type: ApplicationFiled: November 26, 2024Publication date: March 13, 2025Applicant: TOPPAN HOLDINGS INC.Inventors: Masayuki OGINO, Yoichi MAKINO
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Publication number: 20250085565Abstract: An aerial display apparatus includes: a display device configured to display an image; an alignment control device arranged to receive light emitted from the display device and configured to refract the light emitted from the display device in an oblique direction to a normal direction orthogonal to a plane; and an optical device arranged to receive the light emitted from the alignment control device and configured to reflect the light emitted from the alignment control device to a side opposite to the alignment control device to form an aerial image in an aerial space.Type: ApplicationFiled: November 25, 2024Publication date: March 13, 2025Applicant: TOPPAN Holdings Inc.Inventor: Yasuhiro DAIKU
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Publication number: 20250083428Abstract: A decorative sheet includes a primary film layer and a surface protective layer, in which the surface protective layer has a gloss level of 15 or less; the surface protective layer has on its surface a ridged portion to form an uneven shape; the surface protective layer contains as a main material an ionizing radiation-curable resin; the ionizing radiation-curable resin contains as a main component an acrylic resin containing a repeating structure; the repeating structure is one of an alkylene structure, an ethylene oxide structure, a propylene oxide structure, and an ?-caprolactone structure; and an acrylic monomer forming the acrylic resin has two or more and four or less acryloyl groups, and a shaping parameter expressed by Formula 1 is in a range of 0.8 or more and 3.4 or less.Type: ApplicationFiled: November 19, 2024Publication date: March 13, 2025Applicant: TOPPAN HOLDINGS INC .Inventors: Masashi HATTORI, Erika AKUTSU
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Publication number: 20250070003Abstract: The present invention is a wiring board with a multi-layer structure having a plurality of build-up layers, wherein, among the build-up layers, a build-up layer on a front surface side formed last has a first solder pad and a second solder pad, a solder resist layer is provided on the front surface side of the build-up layer on a front surface side, and heights of the first solder pad and the second solder pad from front surfaces thereof to a front surface of the solder resist layer are different from each other.Type: ApplicationFiled: October 23, 2024Publication date: February 27, 2025Applicant: TOPPAN Holdings Inc.Inventor: Kenta SUGAWARA
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Publication number: 20250068005Abstract: A light control sheet includes two transparent substrate layers each including an electrode layer, and a light control layer formed between the two transparent substrate layers. The light control layer includes a transparent resin layer defining a void, a liquid crystal composition filling the void, and a spacer that determines a thickness of the light control layer. Each transparent substrate layer in the light control sheet has external haze of less than 0.1%, and each transparent substrate layer in the light control sheet has internal haze of 0.1% or more and 2.0% or less.Type: ApplicationFiled: November 8, 2024Publication date: February 27, 2025Applicant: TOPPAN HOLDINGS INC.Inventors: Yusuke TAKAHASHI, Daisuke YAMASHITA
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Publication number: 20250067902Abstract: A microlens array includes microlenses disposed in order and a low refractive index layer that contains a hollow filler and a medium and is formed on the microlenses and that has a lower refractive index than the refractive index of the microlenses. The proportion of white pixels in a binarized plan view image of the low refractive index layer is 76% or less.Type: ApplicationFiled: November 7, 2024Publication date: February 27, 2025Applicant: TOPPAN HOLDINGS INC.Inventor: Shungo TOMIOKA
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Publication number: 20250059388Abstract: A composition for forming a colored layer contains a dye, an active energy radiation-curable resin, a photoinitiator, a solvent, and an additive. The dye contains at least one of a first coloring material, a second coloring material, and a third coloring material, with the wavelength of maximum absorption within the range of 470 to 530 nm and the full width at half maximum of the absorption spectrum is 15 to 45 nm. The wavelength of maximum absorption of the second coloring material is within the range of 560 to 620 nm and the full width at half maximum of the absorption spectrum is 15 to 55 nm. Within the wavelength range of 380 to 780 nm, the third coloring material exhibits the lowest transmittance in the range of 650 to 780 nm. The additive includes a compound A and a sulfur antioxidant.Type: ApplicationFiled: November 4, 2024Publication date: February 20, 2025Applicant: Toppan Holdings Inc.Inventors: Kai FUTAMATA, Yoshiko Ishimaru, Shinya Ishikawa
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Publication number: 20250057457Abstract: An electrode device for a living body includes: an electrode sheet including at least a pair of electrodes that receives a bioelectrical signal, a wiring member that transmits the bioelectrical signal received, a sensor module that outputs a signal relating to the bioelectrical signal to an exterior, a connector that connects the bioelectrical signal transmitted, to the sensor module, and a sheet member that supports the electrodes, the wiring member, the sensor module, and the connector; and an adhesive sheet that can be attached to a living body while covering the electrode sheet.Type: ApplicationFiled: November 4, 2024Publication date: February 20, 2025Applicant: TOPPAN HOLDINGS INC.Inventors: Hirotaka YAMAGUCHI, Ryuji UEDA, Osamu KINA, Daizo UEMURA
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Publication number: 20250060623Abstract: A light control sheet is reversibly changeable between transparent and opaque in response to a change in alignment of a liquid crystal compound. The light control sheet includes a light control layer including a polymer resin layer in which voids are dispersed, and a liquid crystal composition containing the liquid crystal compound. The liquid crystal composition is filling the voids. In the light control layer, a percentage of a volume of the liquid crystal composition relative to a total volume of the polymer resin layer and the liquid crystal composition is 40% or greater and 60% or less. Avoid diameter of the voids is 2 ?m or less.Type: ApplicationFiled: November 1, 2024Publication date: February 20, 2025Applicant: TOPPAN HOLDINGS INC.Inventors: Kimio HORIKAWA, Fumio OONUMA, Toshiji YASUHARA, Gen NAKAMURA
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Publication number: 20250057974Abstract: The present invention relates to a method for changing a hydrogel volume, the method including a step A of bringing an ionic polymer into contact with a hydrogel, which has a site having decomposition activity for the ionic polymer and a cross-linkable functional group that is capable of cross-linking with the ionic polymer through electrostatic interaction, to allow the cross-linkable functional group to cross-link with the ionic polymer, and reducing a volume of the hydrogel; and a step B of decomposing the ionic polymer cross-linking with the hydrogel by using the site having decomposition activity and discharging at least part of a decomposition product of the ionic polymer from the hydrogel to increase the hydrogel volume.Type: ApplicationFiled: December 14, 2022Publication date: February 20, 2025Applicants: TOPPAN Holdings Inc., OSAKA UNIVERSITYInventors: Michiya MATSUSAKI, Masahiko NAKAMOTO, Shiro KITANO
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DETECTION KIT, SEALING LIQUID, METHOD FOR PRESERVING SEALING LIQUID, AND METHOD FOR DETECTING SAMPLE
Publication number: 20250050345Abstract: A detection kit is used for detecting a target substance contained in a liquid sample and includes a fluid device that accommodates a sample, a detection reagent that reacts with the target substance, and an oil-based sealing liquid, in which the fluid device includes an internal space that accommodates a mixed aqueous solution of the sample and the detection reagent, an injection port and a discharge port that communicate with the internal space, and a plurality of wells that open to the internal space and accommodate the mixed aqueous solution, and a dissolved oxygen amount in the sealing liquid is 100 mg/L or less and a dissolved nitrogen amount in the sealing liquid is 260 mg/mL or less.Type: ApplicationFiled: October 30, 2024Publication date: February 13, 2025Applicant: TOPPAN Holdings Inc.Inventors: Yuichiro SHINOHARA, Shinichi WADA, Keisuke GOTO, Yuta SUZUKI -
Publication number: 20250053037Abstract: A packaging body for a light control sheet including a light control sheet, and a packaging member that supports the light control sheet. The light control sheet includes a first transparent electrode film, a second transparent electrode film, a sealing section that seals a gap between the first transparent electrode film and the second transparent electrode film in an outer peripheral section of the light control sheet, and a liquid crystal composition that is enclosed in the gap surrounded by the sealing section. The packaging body includes an easy-peel tape that covers the sealing section and fixes the sealing section to the packaging member. This allows the packaging body for the light control sheet to protect the quality of the light control sheet.Type: ApplicationFiled: October 10, 2024Publication date: February 13, 2025Applicant: TOPPAN HOLDINGS INC.Inventors: Takashi OONISHI, Tatsuya HOSHINO, Atsuhiro KATO, Tatsuya YAMAMOTO
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Publication number: 20250044649Abstract: A light control sheet includes a first electrode sheet, a second electrode sheet, a light control layer, and an adherend layer. The first electrode sheet includes a first transparent substrate and a first transparent electrode layer. The second electrode sheet includes a second transparent substrate and a second transparent electrode layer. The light control layer is positioned between the first and second transparent electrode layers. The adherend layer is bonded to a surface of the first transparent substrate. The first transparent substrate has a substrate surface exposed from the adherend layer, the second transparent electrode layer has an electrode surface exposed from the first transparent substrate and the light control layer, and a sealing section is formed to cover the electrode surface, an end face of the light control layer, the substrate surface, and an end face of the adherend layer in an edge section of the light control sheet.Type: ApplicationFiled: October 23, 2024Publication date: February 6, 2025Applicant: TOPPAN HOLDINGS INC.Inventors: Ryuji SHIRAISHI, Takashi OONISHI
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Publication number: 20250034804Abstract: The paper product contains a pulp derived from a used paper diaper and a resin derived from a used paper diaper.Type: ApplicationFiled: October 10, 2024Publication date: January 30, 2025Applicant: TOPPAN HOLDING INC.Inventors: Sadafumi TACHIKI, Ryusuke SAKAKIBARA, Hiroshi IMAI
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Publication number: 20250035999Abstract: A light control device includes two light control units each having a light control sheet reversibly changeable between a transparent state and an opaque state, one light control sheet overlapping another light control sheet. The light control device has a state in which the light control sheets are simultaneously opaque, the light control sheet includes a transparent polymer layer having voids, and a liquid crystal composition including a liquid crystal compound and a dichroic dye. The voids being filled with the liquid crystal composition. An absorbance difference, which is a value obtained by subtracting an average absorbance of the liquid crystal composition from an absorbance of the light control sheets in the opaque state, is 0.4 or greater.Type: ApplicationFiled: October 10, 2024Publication date: January 30, 2025Applicant: TOPPAN HOLDINGS INC.Inventors: Tetsushi YOSHIDA, Katsuhito SAKAMOTO, Hiroyuki MICHI
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Publication number: 20250033039Abstract: A microfluidic chip includes an input section from which a liquid is introduced, a channel section in which the liquid flows, and an output section from which the liquid is discharged or a drug fixation section where the liquid and a drug come into contact. The channel section has a hydrophobic region in which a contact angle of a surface in contact with the liquid is 90 degrees or more and 130 degrees or less. The channel section is formed by being surrounded by at least a floor layer, a barrier layer, and an upper covering layer above a substrate, and a surface of at least one of the floor layer, the barrier layer, and the upper covering layer has the hydrophobic region.Type: ApplicationFiled: October 15, 2024Publication date: January 30, 2025Applicant: TOPPAN HOLDINGS INC.Inventors: Hidemitsu HAKII, Norihito FUKUGAMI, Koudai MURATA
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Publication number: 20250035994Abstract: A light control sheet includes a first electrode sheet including a first transparent electrode layer, a second electrode sheet including a second transparent electrode layer, and a light control layer. The first sheet, second sheet, and control layer form a driver section in which the first sheet, second sheet, and control layer are overlaid, a first non-driver section in which the first sheet is exposed from the control layer and second sheet, and a second non-driver section in which the second sheet is exposed from the control layer and first sheet. The non-driver sections have a sealing section covering end face of the control layer. The first electrode layer includes a non-conductive section in the first non-driver section. The non-conductive section is not connected to a first driver portion in the driver section. The first non-driver section includes a disconnection section separating the non-conductive section from the first driver portion.Type: ApplicationFiled: October 14, 2024Publication date: January 30, 2025Applicant: TOPPAN HOLDINGS INC.Inventors: Ryuji SHIRAISHI, Takashi OONISHI