Abstract: A depressurized multilayer glass panel 10 includes: a first glass plate 11; a second glass plate 12; a sealing portion forming an air gap portion 13 sealed in a depressurized state between the first glass plate 11 and the second glass plate 12; and a plurality of columns 16 disposed between the first glass plate 11 and the second glass plate 12, each column 16 including contact surfaces 21 in contact with facing surfaces 17, 18 of the first glass plate 11 and the second glass plate 12, and non-contact portion 23 provided around the contact surface 21 and spaced apart from the facing surfaces 17, 18 of the first glass plate 11 and the second glass plate 12, wherein the non-contact portion 23 is configured such that when the facing first glass plate 11 or second glass plate 12 is deformed by being subjected to a first external force, at least a part of the non-contact portion 23 is contactable with the deformed first glass plate 11 or second glass plate 12.

Abstract: A film (1) includes hollow particles (10) and a binder (20). The hollow particles are made of a material having a refractive index of 1.15 to 2.70. The binder (20) is formed of at least a polysilsesquioxane and binds the hollow particles (10). The film (1) satisfies at least one of requirements Ib/Ia?0.7 and Ib/Ic?0.3. Ia is an absorbance derived from a hydrocarbon group not directly bonded to a silicon atom, the absorbance being determined by attenuated total reflection using a Fourier transform infrared spectrophotometer. Ib is an absorbance derived from a bond between a silicon atom and a non-reactive functional group. Ic is an absorbance derived from a bond between a silicon atom and a hydroxy group.

Abstract: The light-absorbing composition according to the present invention includes: a light absorber made of a phosphonic acid represented by the following formula (A) and copper ion; and a curable resin. Alight-absorbing film having desired properties can be provided by curing a coating film of the light-absorbing composition. In the formula (A), R1 to R5 are each independently a hydrogen atom, a halogen atom, a hydroxy group, or a nitro group, and n represents an integer of 1 to 3.

Abstract: A light-absorbing composition according to the present invention includes: a light absorber; a curable resin; and an alkoxysilane. The alkoxysilane includes a dialkoxysilane. Since the alkoxysilane of the light-absorbing composition includes the dialkoxysilane, desired flexibility is likely to be imparted to a light-absorbing layer owing to an organic functional group of the dialkoxysilane while a strong skeleton having a siloxane bond is formed in the light-absorbing layer.

Abstract: A film (1) includes hollow particles (10) and a binder (20). The hollow particles are made of a material having a refractive index of 1.15 to 2.70. The binder (20) is formed of at least a polysilsesquioxane and binds the hollow particles (10). The film (1) satisfies at least one of requirements Ib/Ia?0.7 and Ib/Ic?0.3. Ia is an absorbance derived from a hydrocarbon group not directly bonded to a silicon atom, the absorbance being determined by attenuated total reflection using a Fourier transform infrared spectrophotometer. Ib is an absorbance derived from a bond between a silicon atom and a non-reactive functional group. Ic is an absorbance derived from a bond between a silicon atom and a hydroxy group.

Abstract: A glass fiber according to the present invention contains SiO2 that forms a glass skeleton, Al2O3, and an elastic modulus adjustment component for improving the elastic modulus; and this glass fiber has acid resistance.

Abstract: A automobile laminated glass according to the present invention includes: a first glass plate that is formed into a rectangular shape; a second glass plate that is disposed so as to face the first glass plate, and is formed into a rectangular shape; an intermediate film that is disposed between the first glass plate and the second glass plate; a functional layer that is disposed between the first glass plate and the second glass plate; and an obstructing layer that is laminated on a peripheral edge portion of at least one of the first glass plate and the second glass plate, wherein the functional layer is formed so that an outer edge of at least a portion of the functional layer is located outward of an inner edge of the obstructing layer.

Abstract: The present disclosure provides a glass plate including a main surface having a plurality of minute deformed portions which are recesses or projections, wherein, where an average value of lengths of two sides adjacent to each other of a minimum quadrilateral with four right angles surrounding each minute deformed portion is defined as a dimension, an average value of the dimensions of the plurality of deformed portions is 3.2 to 35.5 ?m. The glass plate satisfies a condition a1 that a ratio of deformed portions A1 having the dimensions of 0.5 to 3.0 ?m with respect to the plurality of deformed portions in terms of number is less than 5%, and/or a condition d1 that a coefficient of variation of the dimensions is 40% or less. This glass plate is suitable for suppressing sparkle and is highly practical, when disposed on an image display device.

Abstract: The present invention provides a connection terminal to be fixed to a conductive portion provided on a glass plate for a vehicle. The connection terminal includes an installation portion having a fixing surface to be fixed to the conductive portion, a rising portion that extends from the installation portion in a direction away from the glass plate, a connection portion that is connected to the rising portion and has a power supply portion configured to supply power, and a solder attached to the fixing surface, in which the solder includes a protruding portion that protrudes from the fixing surface of the installation portion.

Abstract: The present invention provides a windshield on which an information acquisition device that acquires information from outside of a vehicle by emitting and/or receiving light is disposable, the windshield including: a glass plate; and a heating wire that is provided on the glass plate and to which a current is applied. The glass plate includes at least one information acquisition region that faces the information acquisition device and through which the light passes, the heating wire includes a plurality of linear main body portions that pass through at least the information acquisition region and a linear linking portion for linking the plurality of main body portions, and at least one of the linking portions includes a heat generation suppressing means for suppressing heat generation when a current is applied.

Abstract: The present disclosure provides a glass composition for glass fibers, the glass composition including, in mass %: SiO2: 59.5 to 62.5%; Al2O3: 19 to 21.2%; B2O3: 0 to 0.5%; MgO: 16 to 18%; CaO: 0 to 1.5%; Li2O: 0 to 1.0%; Na2O: 0 to 0.2%; K2O: 0 to 0.1%; TiO2: 0 to 5%; ZrO2: 0 to 5%; ZnO: 0 to 1.5%; and F2: 0 to 0.1%.

Abstract: A low-refractive-index film 10 includes a first layer 11 and a second layer 12. The first layer 11 is adjacent to a substrate 20. The low-refractive-index film 10 has a refractive index of greater than or equal to 1.01 and less than or equal to 1.30. The first layer 11 and the second layer 12 each include hollow particles 13 and a binder 14. The first layer 11 satisfies, for example, at least one selected from a group of conditions (I) and (II) described below. (I) A number density ?v1 of voids 15 each having a cross-sectional area of greater than or equal to 1000 nm2 is greater than or equal to 5/?m2 and less than or equal to 100/?m2 on a cross-section of the first layer 11. (II) A ratio of a cross-sectional area of the voids 15 on the cross-section to a total area of the cross-section of the first layer 11 is greater than or equal to 5% and less than or equal to 70%.

Abstract: An optical component includes: a first layer made of a first material having a first refractive index, the first layer including a first principal surface and a second principal surface opposite to the first principal surface; and a second layer made of a second material having a second refractive index different from the first refractive index, the second layer including a third principal surface and a fourth principal surface opposite to the third principal surface, and the first layer and the second layer are stacked such that the second principal surface and the third principal surface are in contact. A lens is formed on the first principal surface of the first layer, and a vortex profile is formed on the third principal surface of the second layer.

Abstract: The coated glass sheet of the present invention includes: a glass sheet; and a coating film provided on at least one principal surface of the glass sheet and having a smooth surface. The coating film includes: isolated closed pores present within the coating film; and a matrix. The coating film is substantially free of open pores open at the surface of the coating film. For the coated glass sheet of the present invention, a transmittance gain is 2.5% or more, the transmittance gain being calculated by subtracting an average transmittance of the glass sheet as determined by applying light having wavelengths of 380 to 1100 nm to the glass sheet in the absence of the coating film on the surface of the glass sheet from an average transmittance of the coated glass sheet as determined by applying light having the wavelengths to the coated glass sheet from a side on which the coating film lies.

Abstract: The present invention provides a windshield on which an information acquisition device configured to acquire information from an outside of a vehicle by emitting and/or receiving light can be arranged, the windshield including: an outer glass plate; an inner glass plate; an interlayer arranged between the outer glass plate and the inner glass plate; a first blocking layer layered on a surface on the vehicle exterior side of the inner glass plate; and a second blocking layer layered on a surface on the vehicle interior side of the outer glass plate. The first blocking layer has an opening through which the light passes, and the second blocking layer is layered at a position where it blocks a portion of the opening, and the second blocking layer and the opening form a path through which the light passes.

Abstract: The present invention provides a cover glass that can be installed in an automobile so as to cover a display unit including a plurality of information areas, including a glass body that has a first surface facing the display unit side, and a second surface opposite to the first surface, and that includes a plurality of transmission areas respectively corresponding to the information areas.

Abstract: The liquid composition for optical filters according to the present invention contains: a light absorber; at least one of an alkoxysilane and a hydrolysate of an alkoxysilane; a phosphoric acid ester; and a solvent. The light absorber is formed by a phosphonic acid having an aryl group bonded to a phosphorus atom and copper ion. In the liquid composition, a content of an organic solvent having a relative permittivity of 7 or less at 20° ° C. is 50 mass % or less.

Abstract: A glass member according to the present invention comprises: a glass plate having a first surface and a second surface; and a functional film that is formed on the first surface and composed of a single film, wherein the functional film contains a composition having a fluoroalkyl group and mainly disposed near the surface of the functional film, antibacterial metal ions, and a carrier containing an inorganic oxide constituting a three-dimensional network bond.

Abstract: A glass unit according to the present invention includes a first glass plate, a second glass plate that is arranged facing the first glass plate with a predetermined interval therebetween and forms an internal space with the first glass plate, a sealing member that seals a gap at peripheral edges of the first glass plate and the second glass plate, and a plurality of spacers arranged between the first glass plate and the second glass plate. The internal space has been depressurized to a vacuum state, or a predetermined gas has been injected into the internal space. The first and second glass plates each have a thickness of 5 mm or less, the pitch of the spacers is 15 mm or more, and the difference between the height of the highest spacer and the height of the lowest spacer is 0.01 mm or less.

Abstract: A windshield according to the present invention is provided with an HUD device capable of vertically switching a plurality of display regions, said windshield comprising a glass plate which has a first main surface and a second main surface opposite from the first main surface and in which the display regions are formed, wherein: the glass plate is configured such that the upper end portion is formed so as to have a greater thickness than the lower end portion, and thereby the first main surface and the second main surface form a wedge angle ?; and S_Center<S_Upper and S_Center<S_Lower are satisfied.