Abstract:
A novel cyanine compound of general formula (I) showing thermal behaviors suitable for optical recording applications, an optical recording material containing the same, and an optical recording material containing the same. wherein ring A and ring B each represent a benzene or naphthalene ring that may be substituted; at least one of the pair of adjacent groups R1 and R2 and the pair of adjacent groups R3 and R4 represent a pair of benzyl groups, and the other paired groups each represent an alkyl group having 1 to 4 carbon atoms or are connected to each other to form a 3- to 6-membered ring; Y1 and Y2 each represent an organic group having 1 to 30 carbon atoms; An m- represents an m-valent anion; m represents an integer 1 or 2; and p represents a coefficient for maintaining the charge neutrality.
Abstract:
A latent additive represented by general formula (1): wherein A is a 5- or 6-membered aromatic or heterocyclic ring; R 1 and R 2 are each hydrogen, halogen, cyano, hydroxyl, nitro, carboxyl, optionally substituted C1-C40 alkyl, C6-C20 aryl, C7-C20 arylalkyl, or C2-C20 heterocyclic ring-containing group; and R 4 is C1-C20 alkyl, C2-C20 alkenyl, C6-C20 aryl, C7-C20 arylalkyl, C2-C20 heterocyclic ring-containing group, or trialkylsilyl.
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 compound excellent in absorption wavelength characters and light resistance and especially suitable for optical elements used for optical filters for image display devices and optical recording materials by laser beam and optical filters and optical recording materials each containing the compound. SOLUTION: A cyanine compound represented by the general formula (I) is disclosed. An optical filter containing at least one cyanine compound is also disclosed. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a new triarylmethane compound and a new rhodamine compound each having excellent light fastness and to provide a color conversion layer, a color conversion filter, and an organic EL display not suffering from detriments to patterning performance and the decomposition of a color conversion pigment due to reaction with active molecules by using the compounds. SOLUTION: What is provided is a new triarylmethane compound and a new rhodamine compound each formed from a cation having a triarylmethane structure and a specified anion. COPYRIGHT: (C)2007,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a light-diffusing resin composition capable of realizing high color-rendering and luminance when used in light-diffusing sheets, and a light-diffusing sheet and a light source unit using the same.SOLUTION: A light-diffusing resin composition comprising preferably 1-80 mass% of a binder resin (A), preferably 15-95 mass% of a light-diffusing agent (B), and preferably 0.0001-5 mass% of a trimethine cyanine compound (C) represented by formula (I) is used in a light-diffusing layer of a light-diffusing sheet. The light source unit is equipped with the light-diffusing sheet and a light source, preferably a white LED.
Abstract:
PROBLEM TO BE SOLVED: To provide a film for conversion to green and a film for conversion to red, with which the converted light can retain sufficient intensity over a long period and an organic EL device for multicolor light emission that shows stable luminescent properties over a long period. SOLUTION: The pendant type polymer compound having one or more repeating units represented by general formula (1) and one or more repeating units represented by general formula (2), (6), or (7), wherein when the molar ratio of (1) to (2), (6), or (7) is represented by m:n, then n/(m+n) is from 1/100 to 100/100; a film containing the polymer compound; a color conversion film containing the polymer compound; a color conversion film containing the polymer compound and a low molecule pigment compound; and a color conversion light-emitting device including an organic EL element and the color conversion film are provided. In formula, each symbol is specifically defined. COPYRIGHT: (C)2011,JPO&INPIT