Abstract: To accurately make a dressing quality determination based on resistance waveforms, a dressing quality determination method determines the quality of dressing performed for electrodes when resistance welding is performed at a plurality of welding points. This method includes accumulating a known resistance waveform immediately after dressing the electrodes, and a known resistance waveform immediately before dressing the electrodes; creating, by a statistical method, a model for setting a threshold value for dressing quality determination, based on a plurality of known resistance waveforms immediately after dressing and a plurality of known resistance waveforms immediately before dressing; acquiring an unknown resistance waveform immediately after dressing the electrodes; and determining whether dressing is normal or dressing is abnormal by comparing the unknown resistance waveform immediately after dressing with the threshold value for dressing quality determination.

Abstract: An information processing apparatus including processing circuitry. The processing circuitry is configured to perform: receiving an input of a first data set relating to a laid water pipe and a second data set relating to an environment in which the water pipe operates; and for the water pipe laid in each area included in the first data set, identifying based on the second data set an evaluation parameter which is an evaluation of a value of the water pipe.

Abstract: A water treatment apparatus includes a water receiver configured to receive an input of water; and an installation mechanism configured to include one or more slots in which a module for water treatment is installable. Among a plurality of types of modules available to be selected in accordance with a use of water treatment, at least one module includes a filter as a component, and the water treatment apparatus is configured to provide a water treatment function corresponding to the module to the water received at the water receiver by installing the module in one of the one or more slots.

Abstract: To accurately make a dressing quality determination based on resistance waveforms, a dressing quality determination method determines the quality of dressing performed for electrodes when resistance welding is performed at a plurality of welding points. This method includes accumulating a known resistance waveform immediately after dressing the electrodes, and a known resistance waveform immediately before dressing the electrodes; creating, by a statistical method, a model for setting a threshold value for dressing quality determination, based on a plurality of known resistance waveforms immediately after dressing and a plurality of known resistance waveforms immediately before dressing; acquiring an unknown resistance waveform immediately after dressing the electrodes; and determining whether dressing is normal or dressing is abnormal by comparing the unknown resistance waveform immediately after dressing with the threshold value for dressing quality determination.

Abstract: A compound represented by the following general formula (1). In the formula, A represents a benzene ring, a naphthalene ring and the like, wherein these rings may be substituted with a halogen atom and the like, R1 represents a hydrogen atom and the like, R2 represents a C1-35 hydrocarbon group having or not having at least one group selected from an epoxy group, 4-vinylphenyl group and a (meth)acryloyloxy group, or a hydrogen atom, wherein at least one of R2 with n occurrences is a C3-35 hydrocarbon group having at least one group selected from an epoxy group, a 4-vinylphenyl group and a (meth)acryloyloxy group, n represents an integer of 1 to 6, and X represents a nitrogen atom, an oxygen atom, a sulfur atom, a phosphorus atom, or an n-valent organic group having 35 or less carbon atoms.

Abstract: Disclosed is a colored (alkali-developable) photosensitive composition using a compound that is excellent in solubility and heat-resistance in a resin composition, and also relates to an optical filter using the colored (alkali-developable) photosensitive composition, specifically a color filter that does not decrease luminance and thus is preferable for image display devices such as liquid crystal display panels. Specifically, disclosed is a colored (alkali-developable) photosensitive composition containing (A) a dye that contains at least one kind of compound represented by any of the general formulas (1) to (4), (B) a polymerizable compound having an ethylenically unsaturated bond or (B?) a polymerizable compound having an ethylenically unsaturated bond, which has alkali-developability, and (C) a photopolymerization initiator, and use of the composition. The compound represented by any of the general formulas (1) to (4) is as described.

Abstract: A color conversion filter contains at least one kind of squarylium dye that radiates fluorescence light, has a wavelength conversion capability, absorbs light in an unneeded wavelength region, radiates fluorescence light in a preferable wavelength region, and does not allow decrease in brightness, and thus is preferable for color conversion light-emitting devices, photoelectric conversion devices and the like. Specifically, the color conversion filter has an absorption having a high intensity in the range of 570 to 600 nm, and thus is preferable for use in a color conversion filter that radiates fluorescence light having a high intensity in the range of 600 to 780 nm.

Abstract: The present invention provides a dye that is excellent in solubility and heat-resistance, and a novel compound that is suitable for the dye, and specifically provides a yellow dye having a maximum absorption wavelength in the region of 420 to 470 nm. Furthermore, the present invention provides a colored (alkali-developable) photosensitive composition and an optical filter using the dye, and specifically provides a color filter that does not decrease luminance and thus is preferable for an image display device such as a liquid crystal display panel. Specifically, the present invention provides a novel compound represented by the following general formula (1), a dye using the compound, and a colored (alkali-developable) photosensitive composition and a color filter. The content of the above-mentioned general formula (1) is as described in the description.

Abstract: The present invention provides a dye that is excellent in solubility and heat-resistance, and a novel compound that is suitable for the dye, and specifically provides a yellow dye having a maximum absorption wavelength in the region of 420 to 470 nm. Furthermore, the present invention provides a colored (alkali-developable) photosensitive composition and an optical filter using the dye, and specifically provides a color filter that does not decrease luminance and thus is preferable for an image display device such as a liquid crystal display panel. Specifically, the present invention provides a novel compound represented by the following general formula (1), a dye using the compound, and a colored (alkali-developable) photosensitive composition and a color filter. The content of the above-mentioned general formula (1) is as described in the description.

Abstract: The present invention provides a color tone correcting agent having suitable heat resistance for use in an optical filter, a novel squarylium compound that is specifically preferable as the color tone correcting agent, and an optical filter including the color tone correcting agent. Specifically, the present invention provides a color tone correcting agent including a squarylium compound represented by the general formula (1), a novel squarylium compound which is represented by the general formula (4) and is preferable as the color tone correcting agent, and an optical filter including the color tone correcting agent. The general formula (1) and (4) are each as defined in the specification.

Abstract: The present invention provides a dye that is excellent in solubility and excellent in heat resistance and a novel compound that is preferable for the dye, and specifically provides a yellow dye having a wavelength of maximum absorption in the region of 400 to 450 nm, and also provides a coloring (alkali-developable) photosensitive composition using the above-mentioned dye, and an optical filter using the above-mentioned coloring (alkali-developable) photosensitive composition, specifically a color filter that does not decrease luminance and thus is preferable for image display devices such as liquid crystal display panels. Specifically, a compound represented by the following general formula (1) is used as the dye. The content of the above-mentioned general formula (1) is as described in the description.

Abstract: A compound represented by the following general formula (1). In the formula, A represents a benzene ring, a naphthalene ring and the like, wherein these rings may be substituted with a halogen atom and the like, R1 represents a hydrogen atom and the like, R2 represents a C1-35 hydrocarbon group having or not having at least one group selected from an epoxy group, 4-vinylphenyl group and a (meth)acryloyloxy group, or a hydrogen atom, wherein at least one of R2 with n occurrences is a C3-35 hydrocarbon group having at least one group selected from an epoxy group, a 4-vinylphenyl group and a (meth)acryloyloxy group, n represents an integer of 1 to 6, and X represents a nitrogen atom, an oxygen atom, a sulfur atom, a phosphorus atom, or an n-valent organic group having 35 or less carbon atoms.

Abstract: Disclosed is a colored (alkali-developable) photosensitive composition using a compound that is excellent in solubility and heat-resistance in a resin composition, and also relates to an optical filter using the colored (alkali-developable) photosensitive composition, specifically a color filter that does not decrease luminance and thus is preferable for image display devices such as liquid crystal display panels. Specifically, disclosed is a colored (alkali-developable) photosensitive composition containing (A) a dye that contains at least one kind of compound represented by any of the general formulas (1) to (4), (B) a polymerizable compound having an ethylenically unsaturated bond or (B?) a polymerizable compound having an ethylenically unsaturated bond, which has alkali-developability, and (C) a photopolymerization initiator, and use of the composition. The compound represented by any of the general formulas (1) to (4) is as described.

Abstract: Disclosed are a dye that is excellent in solubility and heat-resistance, and a novel compound that is suitable for the dye, and specifically provides a yellow dye having a maximum absorption wavelength in the region of 420 to 470 nm. Also disclosed are a colored (alkali-developable) photosensitive composition and an optical filter using the dye, and specifically provides a color filter that does not decrease luminance and thus is preferable for an image display device such as a liquid crystal display panel. Specifically, disclosed are a novel compound represented by the following general formula (1), a dye using the compound, and a colored (alkali-developable) photosensitive composition and a color filter. The content of the above-mentioned general formula (1) is as described in the description.

Abstract: A color conversion filter contains at least one kind of squarylium dye that radiates fluorescence light, has a wavelength conversion capability, absorbs light in an unneeded wavelength region, radiates fluorescence light in a preferable wavelength region, and does not allow decrease in brightness, and thus is preferable for color conversion light-emitting devices, photoelectric conversion devices and the like. Specifically, the color conversion filter has an absorption having a high intensity in the range of 570 to 600 nm, and thus is preferable for use in a color conversion filter that radiates fluorescence light having a high intensity in the range of 600 to 780 nm.

Abstract: A near-infrared-ray absorbing material containing a cyanine compound per formula (I) exhibits a sharp light absorption in wavelength range 800-1000 nm, with excellent light resistance. R1 - R4, Y1, Y2 represents hydrogen atom, a group of formula (II) or (II?), etc., and Anq? represents a q-valent anion, provided that at least R1 is a group of formula (II) or (II?) or Anq? is an ion of formula (III); R11 - R13 each represents a hydrogen atom, hydroxyl group, etc.; Z1, Z2 represents a C1-10 alkyl group, etc. In formula (II?), the bond between G? and T? is a double bond or a conjugated double bond; G? represents a carbon atom; T? represents a carbon atom or a nitrogen atom; the ring including G? and T? represents a 6-membered ring, etc.; w? is 0-4; and R01? represents a hydrogen atom, hydroxy, etc. In formula (III), R5 and R6 represents a halogen-substituted C1-8 alkyl group.

Abstract: The present invention provides a dye that is excellent in solubility and excellent in heat resistance and a novel compound that is preferable for the dye, and specifically provides a yellow dye having a wavelength of maximum absorption in the region of 400 to 450 nm, and also provides a coloring (alkali-developable) photosensitive composition using the above-mentioned dye, and an optical filter using the above-mentioned coloring (alkali-developable) photosensitive composition, specifically a color filter that does not decrease luminance and thus is preferable for image display devices such as liquid crystal display panels. Specifically, a compound represented by the following general formula (1) is used as the dye. The content of the above-mentioned general formula (1) is as described in the description.

Abstract: The present invention provides a color tone correcting agent having suitable heat resistance for use in an optical filter, a novel squarylium compound that is specifically preferable as the color tone correcting agent, and an optical filter including the color tone correcting agent. Specifically, the present invention provides a color tone correcting agent including a squarylium compound represented by the general formula (1), a novel squarylium compound which is represented by the general formula (4) and is preferable as the color tone correcting agent, and an optical filter including the color tone correcting agent. The general formula (1) and (4) are each as defined in the specification.

Abstract: A color correction material contains at least one type of cyanine compound composed of a cyanine cation represented by general formula (I) below (wherein the symbols are as defined in the description) and a q-valent anion represented by pAnq? (wherein the symbols are as defined in the description), and at least one type of layered clay mineral; or a color correction material containing a clay mineral composite obtained by intercalating a cyanine cation represented by general formula (I) below, or preferably the cyanine cation and an organic cation, into a layered clay mineral. Also described is a film-forming composition containing the color correction material and an optical filter having a layer composed of the film-forming composition. Ring A represents a benzene ring or a naphthalene ring; X represents CR3R4, NR5, an oxygen atom, a sulfur atom, or a selenium atom.

Abstract: A near-infrared-ray absorbing material which contains a cyanine compound represented by general formula (I), shows a narrow peak of light absorption in the range of wavelengths of 800-1,000 nm, and has excellent light resistance. In formula (I), R1 to R4, Y1, and Y2 each represents a hydrogen atom, a group of formula (II) or (II?), etc., and Anq? represents a q-valent anion, provided that at least R1 is a group of formula (II) or (II') or Anq? is an ion of formula (III); R11 to R13 each represents a hydrogen atom, hydroxy, etc.; and Z1 and Z2 each represents a C1-10 alkyl, etc. In formula (II?), the bond between G? and T? is a double bond or a conjugated double bond; G? represents a carbon atom; T? represents a carbon atom or a nitrogen atom; the ring including G? and T? represents a 6-membered ring, etc.; w? is 0-4; and R01? represents a hydrogen atom, hydroxy, etc. In formula (III), R5 and R6 each represents a C1-8 haloalkyl.