Abstract:
본발명의조성물은잠재성산화방지제(A)와, 하기일반식(I)로나타내는옥심에스테르화합물의 1종이상을포함하는중합개시제(B)를함유하는것을특징으로하는것이다. 상기의잠재성산화방지제(A)는일반식(III)으로나타내는골격을갖는것이바람직하다. (I)(식중, R~R및 & n의정의는특허청구범위의기재를참조할것.)(III)(식중 A, R, R, d 및 k의정의는특허청구범위의기재를참조할것.)
Abstract:
Provided is a photosensitive composition employing, as a photopolymerization initiator, a compound useful as a highly-sensitive photopolymerization initiator that has excellent stability and low sublimability, and that efficiently absorbs and is activated by near-ultraviolet rays at, for example, 365 nm. A photosensitive composition includes a photopolymerization initiator including General Formula (I) below (A), and a polymerizable compound having an ethylenically unsaturated bond (B). Preferred, among compounds represented by General Formula (I), are compounds in which R 10 is a hydrogen atom, or a C 1-12 alkyl group that is not substituted or that is substituted by a hydroxyl group, a carboxyl group, a halogen atom, a cyano group, or a nitro group.
Abstract:
The present invention provides a light-diffusing resin composition capable of realizing high color rendering properties and brightness when used in light-diffusing sheets, and a light-diffusing sheet and a light source unit using same. Provided are the light-diffusing resin composition including a binder resin (A) preferably in 1 to 80 mass%, a light-diffusing agent (B) preferably in 15 to 95 mass%, and a trimethine cyanine compound (C) represented by formula (I) preferably in 0.0001 to 5 mass%; and the light-diffusing sheet using the light-diffusing resin composition in a light-diffusing layer. The light source unit has the light-diffusing sheet and a light source, preferably a white LED.
Abstract:
The color conversion filter of the present invention 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 of the present invention 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:
Provided is an ±-aminoalkylphenone compound that has good stability and low sublimability, efficiently generates radicals when irradiated with a bright line at 365 nm (i line) or the like, and is useful as a polymerization initiator to be used in a radically polymerizable composition. The ±-aminoalkylphenone compound is represented by Formula (I) mentioned below. In Formula (I) mentioned above, it is preferable that R 11 is a nitro group, an alkoxy group having 1 to 12 carbon atoms, or an alkoxycarbonyl group having 1 to 12 carbon atoms. The ±-aminoalkylphenone compound can be preferably used in a polymerization initiator.
Abstract:
Provided is an ±-aminoalkylphenone compound that has good stability and low sublimability, efficiently generates radicals when irradiated with a bright line at 365 nm (i line) or the like, and is useful as a polymerization initiator to be used in a radically polymerizable composition. The ±-aminoalkylphenone compound is represented by Formula (I) mentioned below. In Formula (I) mentioned above, it is preferable that R 11 is a nitro group, an alkoxy group having 1 to 12 carbon atoms, or an alkoxycarbonyl group having 1 to 12 carbon atoms. The ±-aminoalkylphenone compound can be preferably used in a polymerization initiator.
Abstract:
PROBLEM TO BE SOLVED: To provide an optical filter and a color conversion filter which absorb light in an ultraviolet light region (250 to 400 nm).SOLUTION: Provided is a dye represented by the general formula (1). In the formula: Rto Rindependently represent a hydrogen atom, a halogen atom, a nitro group, a cyano group, an aldehyde group, a carboxyl group, a hydroxyl group, -NRR', a hydrocarbon group having 1-20 carbon atoms which may contain substituents, or a heterocyclic group having 1-20 carbon atoms which may contain substituents; Xand Xindependently represent an oxygen atom, a sulfur atom, or an NR" group; R, R' and R" independently represent a hydrogen atom, a hydrocarbon group having 1-20 carbon atoms which may contain substituents, or a heterocyclic group having 1-20 carbon atoms which may contain substituents; Z and Z' represent direct binding or a divalent linking group; and n represents 0, 1 or 2.
Abstract:
PROBLEM TO BE SOLVED: To provide: a light diffusive resin composition which realizes high color rendering property and luminance when used for a light diffusion sheet; and a light diffusion sheet and a light source unit using the composition.SOLUTION: A light diffusion layer of a light diffusion sheet comprises a light diffusive resin composition containing a binder resin (A) of preferably 1-80 mass%, a light diffusive agent (B) of preferably 15-95 mass%, and a squarylium compound (C) represented by a general formula (1), (2) or (3) of preferably 0.0001-5 mass%.
Abstract:
PROBLEM TO BE SOLVED: To provide: a light diffusive resin composition which realizes high color rendering property and luminance when used for a light diffusion sheet; and a light diffusion sheet and a light source unit using the composition.SOLUTION: A light diffusion layer 2 of a light diffusion sheet 10 comprises a light diffusive resin composition containing a binder resin (A) of preferably 1-80 mass%, a light diffusive agent (B) of preferably 15-95 mass%, and a compound (C) of preferably 0.001-5 mass%. The compound (C) absorbs light in a wavelength region of 380-500 nm, and has the amount of fluorescence emission in a wavelength region of 470-630 nm that is 50% or more of the amount of fluorescence emission in a wavelength region of 305-956 nm.