Abstract: Disclosed is a curable resin composition containing: (A) a cyanate ester resin; (B) an epoxy resin essentially including at least a 4-amino-3-methylphenol-type epoxy resin; and (C) a latent curing agent. Preferably, the cyanate ester resin (A) is at least one selected from the group consisting of compounds represented by formula (1) below, compounds represented by formula (2) below, and at least one of polymer of these compounds. Formula (1): NC—O-A1-Y1-A2-O—CN (See the Description for the symbols in the formula). Formula (2): (See the Description for the symbols in the formula).

Abstract: A curing resin composition including (A) a cyanate ester resin, (B) an epoxy resin, (C) an active hydrogen-containing amine latent curing agent, and (D) an ion scavenger. The cyanate ester resin (A) is preferably at least one of a compound of formula (1) below, a compound of formula (2) below, and a polymer of at least one of these compounds (1) and (2). NC—O-A1-Y1-A2-O—CN??(1) wherein the symbols are as defined in the description. wherein the symbols are as defined in the description.

Abstract: A tape includes, in a cross-sectional shape: a first and a second portion which are configured to be at least partially in opposition. The first portion includes: thick portions provided in corresponding one of a first and a third region, out of the first, a second, and the third region in a width direction of the tape; a first and a second thin portion provided at respective both end portions, in the width direction, of the second region positioned between the first and the third region; and at least one intermediate portion provided between the first and the second thin portion. The second portion includes: thick portions provided in corresponding one of the first and the third region and extending beyond end portions, in the width direction, of the second region; and at least one third thin portion provided in the second region and opposed to the intermediate portion.

Abstract: Disclosed is a charge transfer complex capable of obtaining a curable resin composition having an excellent balance between curability and storage stability when used as an epoxy-resin curing agent. The charge transfer complex has an imidazole moiety as an electron donor moiety. The charge transfer complex may be an assembly wherein electrons included in a compound (a) having an imidazole moiety are accepted by a compound (b) having an electron acceptor moiety, or may be a compound having an imidazole moiety and an electron acceptor moiety in its molecule, and the electron acceptor moiety accepts electrons included in the imidazole moiety.

Abstract: To provide a display apparatus that makes it possible to further improve a performance in controlling video presentation according to characteristics of an eyeball of a user. A display apparatus is provided that includes a light source; a processor that performs processing on a distribution of characteristics of an eyeball; a monitoring section that monitors a state of the eyeball; a matching section that performs matching on the distribution of the characteristics of the eyeball and the state of the eyeball; and an irradiator that irradiates a specified position on a retina with video display light emitted by the light source.

Abstract: According to one embodiment, a pattern formation method includes holding a substrate on a suction chuck that an outer suction region for an outer edge portion of the substrate and an inner suction region for an inner region of the substrate. A partial shot region at an outer edge of the substrate has a first alignment mark in the inner region and a second alignment mark at the outer edge portion. While a template is being pressed against a resin film in the shot region, position alignment using the second and fourth alignment marks is performed by adjusting a suction force for the outer suction region for changing a warpage amount of the substrate while observing the second and fourth alignment marks through the template.

Abstract: A display device of the present disclosure includes an image display device and a control unit, in which the image display device includes an image formation device, and an optical device that displays an image emitted from the image formation device in front of an observer while superimposing the image on a real image of an outside world, the control unit controls an operation of the image formation device, and in a case where a black display edge that is an edge of an area where black is displayed exists in the image, the control unit performs reversing processing and luminance increasing processing of the black display edge.

Abstract: A method for manufacturing a press-formed article (100) includes a first step for forming a base sheet portion, a first rising portion, and a first strip portion from a sheet-shaped workpiece having a first edge portion and a second edge portion; and a second step for forming a second rising portion by causing a strip-shaped first zone including the second edge portion to be disposed between a first upper die and a first lower die from both sides, causing a second zone adjacent to the first zone to be disposed between a second upper die and a second lower die from both sides, and moving the first upper die and the first lower die relative to the second upper die and the second lower die, wherein, in the second step, a part of the second rising portion which is connected to a vertical ridge line (108) is shear-deformed.

Abstract: A curable resin composition for producing a three-dimensional object formed of a cured resin product comprises a polyfunctional urethane (meth)acrylate having a weight-average molecular weight of 1,000 or more and 60,000 or less; a monofunctional radically polymerizable compound having one radically polymerizable functional group in a molecule; a polyfunctional radically polymerizable compound other than the polyfunctional urethane (meth)acrylate; rubber particles; and a radical polymerization initiator. The monofunctional radically polymerizable compound includes a monofunctional acrylamide-based compound, and the content of the polyfunctional radically polymerizable compound other than polyfunctional urethane (meth)acrylate (particularly one having a radically polymerizable functional group equivalent of less than 300 g/eq) is controlled.

Abstract: An electrophotographic member comprising: a mandrel; and an elastic layer on an outer periphery of the mandrel, the elastic layer containing a polyurethane elastomer including a matrix and domains dispersed in the matrix, a parameter A and a parameter B satisfying a relationship of A<B, where the parameter A indicates a viscoelastic term of each of the plurality of domains and the parameter B indicates a viscoelastic term of the matrix, the elastic layer having a microrubber hardness at a temperature of 23° C. of 20 to 50, and in an indentation test of the elastic layer with a nanoindenter at 23° C., in which a Vickers indenter is indented into the elastic layer at a load speed of 10 mN/30 sec and is maintained at a load of 10 mN for 60 seconds, followed by unloading, strain after 5 seconds from the unloading being 1 ?m or less.

Abstract: It is possible to guide a mounting state of a head-mounted image display device to a visually recognizable region that is a correct design position. A head-mounted image display device 100 includes an image acquisition unit 104 that acquires a positional relationship image from which a positional relationship between a pupil position of an eyeball of a user and a visually recognizable region of the user can be estimated and a projection system 103 onto which incident light is projected, and the visually recognizable region is a focal position of the projection system 103. Further, the image display device 100 includes an imaging element, and the imaging element acquires the three-dimensional positional relationship image.

Abstract: Provided is a polyurethane elastomer having excellent friction properties (low friction coefficient), high wear resistance, and low hardness. The polyurethane elastomer includes: a first repeating structural unit represented by the general formula (1) and a second repeating structural unit represented by the general formula (2). The polyurethane elastomer includes a matrix phase and a domain phase dispersed in the matrix phase. The matrix phase includes the first repeating structural unit. The domain phase includes the second repeating structural unit.

Abstract: A curable resin composition for producing a three-dimensional object formed of a cured resin product comprises a polyfunctional urethane (meth)acrylate having a weight-average molecular weight of 1,000 or more and 60,000 or less; a monofunctional radically polymerizable compound having one radically polymerizable functional group in a molecule; a polyfunctional radically polymerizable compound other than the polyfunctional urethane (meth)acrylate; rubber particles; and a radical polymerization initiator. The monofunctional radically polymerizable compound includes a monofunctional acrylamide-based compound, and the content of the polyfunctional radically polymerizable compound other than polyfunctional urethane (meth)acrylate (particularly one having a radically polymerizable functional group equivalent of less than 300 g/eq) is controlled.

Abstract: To provide a line-of-sight detection device capable of further improving line-of-sight detection accuracy, achieving low latency, and achieving low power consumption. Provided is a line-of-sight detection device including: an imaging element having an event-driven function; a first mode generation unit that generates a Purkinje detection mode; a second mode generation unit that generates a pupil detection mode; and a third mode generation unit that generates an event-driven mode.

Abstract: A curable resin composition includes (A) a specific curable resin and (C) a curing agent, and further includes (BI) 0.1 parts by mass or more and 20 parts by mass or less of a polyhydric alcohol having 2 to 5 hydroxyl groups, based on based on 100 parts by mass of the curable resin (A); (BII) a cyclic compound having 3 to 6 reactive groups and a reactive group equivalent of 100 g/eq or more and 300 g/eq or less; or (BIII) a specific oxetane compound in a mass ratio of the curable resin (A) to the oxetane compound (BIII) being 5:5 to 9:1.

Abstract: A line-of-sight detection device capable of achieving further improvement in line-of-sight detection accuracy, achieving low latency, and achieving low power consumption is provided. There is provided a line-of-sight detection device including an imaging element, an illumination unit that illuminates an eyeball with a plurality of beams of illumination light, an optical element that guides respective beams of reflected light in a plurality of directions from the eyeball caused by the plurality of beams of illumination light to a direction of the imaging element, an optical system that causes the imaging element to non-selectively receive the beams of reflected light in the plurality of directions from the eyeball, and a calculation unit that converts, on the basis of the beams of reflected light in the plurality of directions from the eyeball received by the imaging element, the beams of reflected light into information of eyeball movement and/or positional information of a pupil.

Abstract: A photocurable resin composition includes, as a polyfunctional radical-polymerizable compound (A), a polyfunctional urethane (meth)acrylate (a1) intramolecularly including at least two (meth)acryloyl groups and two urethane groups and including a structure represented by General formula (1) or (2), wherein a content of the polyfunctional urethane (meth)acrylate (a1) relative to 100 parts by mass of a total amount of the polyfunctional radical-polymerizable compound (A) and a monofunctional radical-polymerizable compound (B) is 10 parts by mass or more and 60 parts by mass or less, and a content of rubber particles (C) relative to 100 parts by mass of the total amount of the polyfunctional radical-polymerizable compound (A) and the monofunctional radical-polymerizable compound (B) is 2 parts by mass or more and less than 18 parts by mass.

Abstract: To provide a display apparatus that makes it possible to further improve a performance in controlling video presentation according to characteristics of an eyeball of a user. A display apparatus is provided that includes a light source; a processor that performs processing on a distribution of characteristics of an eyeball; a monitoring section that monitors a state of the eyeball; a matching section that performs matching on the distribution of the characteristics of the eyeball and the state of the eyeball; and an irradiator that irradiates a specified position on a retina with video display light emitted by the light source.

Abstract: Provided is a curable resin composition exhibiting reduced or controlled shrinkage on curing. The composition includes (A) an epoxy resin, (B) a latent curing agent, and (C) a compound represented by formula (1): wherein X is an oxygen atom or a sulfur atom; R1 and R2 each independently represent a hydrogen atom, an alkyl group, or an aryl group; and R3 and R4 each independently represent a hydrogen atom, an alkyl group, or an aryl group, or R3 and R4 are connected to each other to represent a divalent group to form a ring.

Abstract: Provided is a cleaning blade including: an elastic member containing a polyurethane; and a supporting member configured to support the elastic member. The polyurethane has a linear moiety represented by —(CH2)m-. The elastic member has a plate shape having a main surface and a distal end surface forming a distal end-side edge with the main surface, at least on a distal end side. Martens hardness at positions on a bisector at intervals of 30 ?m from a distal end-side edge to a position furthest away from the distal end-side edge by 100 ?m decreases from a distal end-side edge to the position. A Martens hardness HM1 of the elastic member at a position P1 is 1.0 N/mm2 or more. The elastic layer satisfies K?1>K?2>K?3. Further, the cleaning blade has an erosion rate E of 0.6 ?m/g or less.