Abstract: A crashworthiness energy absorption part includes: a tubular member having tensile strength of 590 to 1180 MPa grade; a closed cross section space forming wall part having tensile strength lower than the tubular member and having both edge portions joined to inner surfaces of a pair of side wall portions of the tubular member, and forming a closed cross section space between the closed cross section space forming wall part and a part of a peripheral wall portion of the tubular member; and a resin configured to fill the closed cross section space, includes a rubber-modified epoxy resin and a curing agent, and has tensile breaking elongation of 80% or more, adhesive strength to the tubular member and closed cross section space forming wall part of 12 MPa or higher, and a compression nominal stress of 6 MPa or higher at a compression nominal strain of 10%.

Abstract: Provided are an aqueous composition with which the surface of stainless steel is adequately roughened in an efficient manner with few steps, a method for roughening stainless steel, etc. The problem mentioned above is solved by an aqueous composition for roughening the surface of stainless steel, the aqueous composition including 0.1-20 mass % of hydrogen peroxide with reference to the total amount of the aqueous composition, 0.25-40 mass % of copper ions with reference to the total amount of the aqueous composition, and 1-30 mass % of halide ions with reference to the total amount of the aqueous composition.

Abstract: Disclosed is a flexible display device that includes a display element that is flexible; and a member that is located on a surface of the display element and is made of a material having a 3-dimensional cross-linked structure. The display element has an original shape and has an elastic modulus that enables the display element to flex into a modified shape. The member has a rigidity that urges the display element from the modified state back to the original shape.

Abstract: Disclosed is a flexible display device that includes a display element that is flexible; and a member that is located on a surface of the display element and is made of a material having a 3-dimensional cross-linked structure. The display element has an original shape and has an elastic modulus that enables the display element to flex into a modified shape. The member has a rigidity that urges the display element from the modified state back to the original shape.

Abstract: A flexible display device includes an antireflective film on an image display surface of the flexible display device, wherein the antireflective film includes an antireflective layer disposed on at least one surface of a transparent resin film having flexibility and including inorganic particles and matrix resin, wherein a volumetric ratio of the inorganic particles in the antireflective layer is equal to or larger than 40 vol %, wherein a diameter of each of the inorganic particles is within a range of 5 to 200 nm, wherein a thickness of the antireflective layer is within a range of 50 to 200 nm, and wherein there is no crack when a bending test of the antireflective film is performed based on JIS K 5600-5-1 and using a cylindrical mandrel with a diameter of 2 mm.

Abstract: A flexible display device includes an antireflective film on an image display surface of the flexible display device, wherein the antireflective film includes an antireflective layer disposed on at least one surface of a transparent resin film having flexibility and including inorganic particles and matrix resin, wherein a volumetric ratio of the inorganic particles in the antireflective layer is equal to or larger than 40 vol %, wherein a diameter of each of the inorganic particles is within a range of 5 to 200 nm, wherein a thickness of the antireflective layer is within a range of 50 to 200 nm, and wherein there is no crack when a bending test of the antireflective film is performed based on JIS K 5600-5-1 and using a cylindrical mandrel with a diameter of 2 mm.

Abstract: A method of manufacturing an LCD device includes providing a lower substrate including a first substrate on which a thin film transistor, a pixel electrode, and a common electrode are formed, and forming a first light alignment layer on the first substrate that is light aligned in a ultraviolet (UV) irradiation process; providing an upper substrate including a second substrate on which a color filter and a black matrix are formed, and forming a second light alignment layer on the second substrate that is light aligned in the UV irradiation process; providing a light polymerization compound between the lower substrate and upper substrate; and forming an alignment assistant layer between a liquid crystal layer and the first and second light alignment layers by performing a front UV irradiation process on the upper substrate and lower substrate which are coupled to each other with the liquid crystal layer therebetween.

Abstract: A method includes for manufacturing a liquid crystal display device includes: a sealant supplying step of supplying an uncured sealant to a first substrate or a second substrate; a dropping step of dropping a liquid mixture of a liquid crystal material and an additive to a region inside the sealant; a bonding step of bonding the first substrate and the second substrate with the sealant and the liquid mixture interposed therebetween to form a bonded substrate; and a curing step of applying the predetermined curing conditions with a voltage being applied to a terminal portion, and thereby curing the sealant and altering the additive to give a pretilt angle to liquid crystal molecules.

Abstract: The liquid crystal display device of the present invention includes a first substrate, a second substrate and a vertically aligned liquid crystal layer interposed between the first and second substrate. The device has a plurality of pixels each including a first electrode formed on the first substrate, a second electrode formed on the second substrate, and the liquid crystal layer interposed between the first and second electrode, and a shading region provided around the pixels. A plurality of supports for defining the thickness of the liquid crystal layer are placed regularly on the surface of the first or second substrate facing the liquid crystal layer in the shading region. The liquid crystal layer forms at least one liquid crystal domain exhibiting axisymmetric alignment when at least a predetermined voltage is applied, and the tilt direction of liquid crystal molecules in the at least one liquid crystal domain is defined with inclined sides of the plurality of supports.

Abstract: In a liquid crystal display apparatus in which a liquid crystal domain having radially tilted orientation is formed in a pixel, high-quality reflection display with occurrence of an afterimage being suppressed is attained. The liquid crystal display apparatus of this invention includes a first substrate 110a, a second substrate 110b and a vertically aligned liquid crystal layer 120 placed therebetween, and has pixels each including a first electrode 111, a second electrode 131 and a liquid crystal layer located therebetween. The first substrate includes a reflection layer 116 having a concave/convex surface and an insulating layer 117 formed to cover the reflection layer. The first electrode 111 is placed on the insulating layer 117 and has a shape defined to exert alignment regulating force with which at least one liquid crystal domain having radially tilted orientation is formed in the liquid crystal layer in a voltage applied state.

Abstract: In a liquid crystal display element of the present invention, the aligning capability for imparting pre-tilt angles to a liquid crystal material is imparted only to the surface of the alignment film of one of the substrates, the material layer having dielectric anisotropy includes a chiral material and a liquid crystal material with a nematic liquid crystal phase, 0.25?d/p?0.50 is satisfied assuming that the thickness of the material layer having the dielectric anisotropy is d and the chiral pitch length of the liquid crystal material is p, and 1000×d/p??n×d is satisfied assuming that the refractive index anisotropy of the liquid crystal material is ?n.

Abstract: A liquid crystal display element of the present invention is arranged so that a material layer having dielectric anisotropy includes a chiral material and a liquid crystal material with a nematic liquid crystal phase, and 0.25?d/p?0.50 is satisfied assuming that the thickness of the material layer is d and the chiral pitch length of the liquid crystal material is p.

Abstract: The liquid crystal display device includes a first substrate, a second substrate opposed to the first substrate, and a vertically aligned liquid crystal layer interposed between the first and second substrates, and has a plurality of pixels each including a first electrode formed on the first substrate, a second electrode formed on the second substrate, and the liquid crystal layer interposed between the first and second electrodes. The first substrate has a shading region in gaps between the plurality of pixels, and a wall structure is placed regularly on the surface of the first substrate facing the liquid crystal layer in the shading region. A color filter layer of the second substrate has at least one hole formed at a predetermined position in each pixel.

Abstract: The liquid crystal display device of the invention has a plurality of pixels, each including a first electrode 111, a second electrode 131 and a vertically aligned liquid crystal layer 120 interposed between the first and second electrodes. The first electrode has at least one opening 114 or cut 113 formed at a predetermined position in the pixel. At least one shading conductive layer 116 electrically connected to the first electrode is formed at least near the at least one opening or cut. In each of the plurality of pixels, a plurality of regions in which the directions of tilt of liquid crystal molecules are different from one another are formed when at least a predetermined voltage is applied across the liquid crystal layer.

Abstract: The liquid crystal display device includes a first substrate 1110a, a second substrate 1110b placed to face the first substrate, and a liquid crystal layer 1120 interposed between the first substrate and the second substrate. The liquid crystal display device has a plurality of pixels each including a first electrode 1111 formed on the first substrate, a second electrode 1131 formed on the second substrate, and the liquid crystal layer interposed between the first electrode and the second electrode. The second electrode 1131 has at least one opening 1114 formed at a predetermined position in the pixel, the first substrate has a shading region in gaps between the plurality of pixels, and a wall structure 1115 is placed regularly on the surface of the first substrate facing the liquid crystal layer in the shading region.

Abstract: The liquid crystal display device includes a first substrate 1110a, a second substrate 1110b placed to face the first substrate, and a liquid crystal layer 1120 interposed between the first substrate and the second substrate. The liquid crystal display device has a plurality of pixels each including a first electrode 1111 formed on the first substrate, a second electrode 1131 formed on the second substrate, and the liquid crystal layer interposed between the first electrode and the second electrode. The second electrode 1131 has at least one opening 1114 formed at a predetermined position in the pixel, the first substrate has a shading region in gaps between the plurality of pixels, and a wall structure 1115 is placed regularly on the surface of the first substrate facing the liquid crystal layer in the shading region.

Abstract: A liquid crystal display device including a first substrate 110a, a second substrate 110b placed to face the first substrate, a liquid crystal layer 120 interposed between the first and second substrates, a first electrode 111 formed on the first substrate, a second electrode 131 formed on the second substrate, an interlayer insulating film 115a placed between the first electrode and the first substrate, and a wall structure 115b formed integrally with the interlayer insulating film. The liquid crystal display device has a plurality of pixels each including the first electrode, the second electrode and the liquid crystal layer interposed between the first and second electrodes. A shading region surrounds each of the plurality of pixels, and the wall structure is placed regularly in the shading region. A groove structure 415a may be formed in place of the wall structure.

Abstract: The liquid crystal display device includes a first substrate, a second substrate opposed to the first substrate, and a vertically aligned liquid crystal layer interposed between the first and second substrates, and has a plurality of pixels arranged in a matrix having rows and columns. Each pixel includes a first electrode formed on the first substrate, a second electrode formed on the second substrate, and the liquid crystal layer interposed between the first and second electrodes. The first substrate has a shading region in gaps between the plurality of pixels, and a wall structure is placed regularly on the surface of the first substrate facing the liquid crystal layer in the shading region. The first and second electrodes have at least one opening formed at a predetermined position in the pixel.

Abstract: A method includes for manufacturing a liquid crystal display device includes: a sealant supplying step of supplying an uncured sealant to a first substrate or a second substrate; a dropping step of dropping a liquid mixture of a liquid crystal material and an additive to a region inside the sealant; a bonding step of bonding the first substrate and the second substrate with the sealant and the liquid mixture interposed therebetween to form a bonded substrate; and a curing step of applying the predetermined curing conditions with a voltage being applied to a terminal portion, and thereby curing the sealant and altering the additive to give a pretilt angle to liquid crystal molecules.

Abstract: The liquid crystal display device includes a first substrate 1110a, a second substrate 1110b placed to face the first substrate, and a liquid crystal layer 1120 interposed between the first substrate and the second substrate. The liquid crystal display device has a plurality of pixels each including a first electrode 1111 formed on the first substrate, a second electrode 1131 formed on the second substrate, and the liquid crystal layer interposed between the first electrode and the second electrode. The second electrode 1131 has at least one opening 1114 formed at a predetermined position in the pixel, the first substrate has a shading region in gaps between the plurality of pixels, and a wall structure 1115 is placed regularly on the surface of the first substrate facing the liquid crystal layer in the shading region.