公开(公告)号：US20240361642A1

公开(公告)日：2024-10-31

申请号：US18767161

申请日：2024-07-09

Applicant: TOPPAN HOLDINGS INC.

Inventor： Yoshitaka MATSUBARA

IPC: G02F1/1339 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/137

CPC classification number: G02F1/13398 ,  G02F1/133514 ,  G02F1/13439 ,  G02F1/137 ,  G02F2202/04

Abstract: A light control sheet includes a light control layer including an organic polymer layer including voids and a liquid crystal composition filling the voids, transparent electrode layers, and transparent support layers. The liquid crystal composition includes a liquid crystal compound and a dichroic dye, the light control layer is sandwiched between the transparent electrode layers, the light control layer and the transparent electrode layers are sandwiched between the transparent support layers, the light control sheet switches from a transparent state to an opaque state exhibiting a first color due to change in alignment of the liquid crystal compound and the dichroic dye in response to change in potential difference between the transparent electrode layers, and a parallel light transmittance PTa in the opaque state and a parallel light transmittance PTb in the transparent state satisfy a relationship PTb/PTa>80.

公开(公告)号：US20240353704A1

公开(公告)日：2024-10-24

申请号：US18750072

申请日：2024-06-21

Applicant: TOPPAN HOLDINGS INC.

Inventor： Fumio Oonuma ,  Norihiko KANEKO

IPC: G02F1/1334

CPC classification number: G02F1/13342 ,  G02F1/13345

Abstract: A display device includes a transparent display that includes a front side displaying an image presented to a viewer, and a rear side facing away from the front side and through which the image is visible; a light control sheet that includes a light control layer containing a transparent polymer layer with a liquid crystal compound dispersed therein, the light control sheet being able to switch between a transparent state and an opaque state; and a control unit that controls the transparent state and the opaque state of the light control sheet. In the device, the distance between the rear side of the transparent display and a first surface of the light control sheet facing the rear side is 5 mm or more in air-equivalent length.

公开(公告)号：US20240351025A1

公开(公告)日：2024-10-24

申请号：US18757724

申请日：2024-06-28

Applicant: TOPPAN HOLDINGS INC.

Inventor： Hiroko YAZAWA ,  Norihito FUKUGAMI

IPC: B01L3/00

CPC classification number: B01L3/502707 ,  B01L2200/0684 ,  B01L2300/0809 ,  B01L2300/0851 ,  B01L2300/168

Abstract: A microfluidic chip includes a substrate, a partition layer including a resin material and formed on the substrate such that the partition layer has a fluidic channel portion formed therein, and a cover layer positioned on the partition layer on the opposite side with respect to the substrate such that the cover layer is covering the fluidic channel portion formed in the partition layer. The partition layer has a width which increases toward the substrate in cross-sectional view.

公开(公告)号：US20240351024A1

公开(公告)日：2024-10-24

申请号：US18756815

申请日：2024-06-27

Applicant: TOPPAN HOLDINGS INC.

Inventor： Hiroko YAZAWA

IPC: B01L3/00

CPC classification number: B01L3/502707 ,  B01L3/502715 ,  B01L2200/0684

Abstract: A microfluidic chip includes a fluidic channel portion, a cover layer, a substrate, and partition layers interposed between the cover layer and the substrate to define the fluidic channel portion. The partition layer has a curved portion curved away from the cover layer at an edge on the fluidic channel portion side of an upper contact surface in contact with the cover layer, and the fluidic channel portion includes a bubble trapping region formed by the curved portion and a rear surface of the cover layer on the fluidic channel portion side. The bubble trapping region traps air bubbles in the fluidic channel portion.

公开(公告)号：US20240337880A1

公开(公告)日：2024-10-10

申请号：US18748145

申请日：2024-06-20

Applicant: TOPPAN HOLDINGS INC.

Inventor： Kaori MORINAGA

IPC: G02F1/1337 ,  G02F1/133 ,  G02F1/1333 ,  G02F1/1343

CPC classification number: G02F1/133723 ,  G02F1/13306 ,  G02F1/133305 ,  G02F1/13439

Abstract: A transparent base material for a liquid crystal device includes an alignment layer that regulates orientations of liquid crystal molecules contained in a light control layer included in the liquid crystal device, a flexible base layer on which the alignment layer is formed, and a first surface and a second surface opposite to the first surface. The first surface is located on the alignment layer, the second surface is located on the base layer, the alignment layer includes polyimide, and the first surface has an indentation hardness of 0.25 GPa or higher as measured by a nanoindentation test according to ISO 14577-1:2015.

公开(公告)号：US20240316593A1

公开(公告)日：2024-09-26

申请号：US18735518

申请日：2024-06-06

Applicant: TOPPAN HOLDINGS INC.

Inventor： Masashi HATTORI ,  Erika AKUTSU ,  Yuki TAKABAYASHI ,  Yusuke IIJIMA

IPC: B05D5/02 ,  B05D3/06

CPC classification number: B05D5/02 ,  B05D3/065 ,  B05D2518/00

Abstract: A decorative sheet includes a primary film layer and a surface protection layer provided on one surface of the primary film layer. The surface protection layer has, in its surface, a ridged portion protruding in a ridged pattern to form an irregular shape. The irregular shape of the surface protection layer has RSm/Ra within the range of 10 or greater and 300 or smaller. The surface protection layer includes an ionizing radiation-curable resin as a main material. The ionizing radiation-curable resin is a trifunctional acrylic resin with the main component having a repeating structure. The repeating structure is any of an ethylene oxide structure, a propylene oxide structure, and an ε-caprolactone structure. The single-bonded carbon ratio in the main component of the ionizing radiation-curable resin falls within the range of 0.725 or greater and 0.955 or smaller.

公开(公告)号：US20240299794A1

公开(公告)日：2024-09-12

申请号：US18654578

申请日：2024-05-03

Applicant: TOPPAN HOLDINGS INC.

Inventor： Junya TANABE ,  Masato KUROKAWA ,  Yasuharu SHIINE

IPC: A62D1/06 ,  A62D1/00

CPC classification number: A62D1/06 ,  A62D1/0014

Abstract: Electrical equipment including at least one electrical device and a housing that houses the at least one electrical device, wherein a fire extinguisher is provided to at least part of an inner wall of the housing to face the at least one electrical device; and the fire extinguisher includes a fire extinguishing material obtained by molding a composition that contains a fire extinguishing agent and a binder.

公开(公告)号：US20240228831A1

公开(公告)日：2024-07-11

申请号：US18618397

申请日：2024-03-27

Applicant: TOPPAN HOLDINGS INC.

Inventor： Masanobu YOSHINAGA

IPC: C09J7/00 ,  B29C48/00 ,  B29C55/28 ,  B29K67/00 ,  B29K96/02 ,  B29L31/00 ,  B32B7/12 ,  B32B15/082 ,  B32B15/085 ,  B32B15/09 ,  B32B15/20 ,  B32B27/08 ,  B32B27/10 ,  B32B27/30 ,  B32B27/32 ,  B32B27/36 ,  B65D75/26

CPC classification number: C09J7/00 ,  B32B7/12 ,  B32B15/082 ,  B32B15/085 ,  B32B15/09 ,  B32B15/20 ,  B32B27/08 ,  B32B27/10 ,  B32B27/308 ,  B32B27/32 ,  B32B27/36 ,  B65D75/26 ,  B29C48/0018 ,  B29C55/28 ,  B29K2023/06 ,  B29K2067/00 ,  B29K2096/02 ,  B29L2031/7129 ,  B32B2255/10 ,  B32B2255/20 ,  B32B2307/308 ,  B32B2307/31 ,  B32B2307/7242 ,  B32B2307/7376 ,  B32B2307/748 ,  B32B2439/46 ,  C09J2467/001

Abstract: A sealant film including a polyester layer containing polyester as a main ingredient, in which the polyester is made of a structural unit derived from ethylene glycol, a structural unit derived from terephthalic acid and a structural unit derived from isophthalic acid, a ratio of the structural unit derived from isophthalic acid is 3.0 mol % or more and 15 mol % or less relative to ratios of the structural unit derived from terephthalic acid and the structural unit derived from isophthalic acid constituting the polyester, and a content rate of an oligomer contained in polyester layer is less than 2.0% by mass.

公开(公告)号：US20240218418A1

公开(公告)日：2024-07-04

申请号：US18600975

申请日：2024-03-11

Applicant: TOPPAN HOLDINGS INC.

Inventor： Isana NADA ,  Rii MORIMURA ,  Shiro KITANO

IPC: C12Q1/02 ,  C12N5/071 ,  C12N5/0783 ,  C12N5/09

CPC classification number: C12Q1/02 ,  C12N5/0638 ,  C12N5/069 ,  C12N5/0693

Abstract: A method for evaluating migration ability of migratory cells includes culturing a cell structure having a stromal cell layer containing migratory and stromal cells, and a migratory cell-free cell layer containing no migratory cells, and evaluating migration ability of the migratory cells based on mobility of the migratory cells. The mobility is a ratio of height Hm of the migratory cells to height Hs of the cell structure, the height Hm is distance between point Pb and the migratory cells, the point Pb is intersection where a perpendicular line down from the migratory cells to bottom of the cell structure intersects the bottom of the cell structure, the height Hs is distance between the point Pb and point Pt, the point Pt is an intersection where a straight line obtained by extending the perpendicular line to top surface of the cell structure intersects the top surface of the cell structure.

公开(公告)号：US20250121368A1

公开(公告)日：2025-04-17

申请号：US18999566

申请日：2024-12-23

Applicant: TOPPAN HOLDINGS INC.

Inventor： Hina HASE ,  Norihito FUKUGAMI

IPC: B01L3/00

Abstract: A microfluidic chip includes a substrate, a barrier layer, and a cover layer. The barrier layer includes a resin material. The barrier layer is provided on the substrate. The barrier layer forms a channel section. The cover layer is provided on the opposite surface of the barrier layer to the substrate and covers the channel section. The channel section is formed in the barrier layer as an opening section having an opening width of 2000 μm or less. The barrier layer has an opening area ratio of 60% or less.