56results about "Azine dyes" patented technology

Provided is an organic electroluminescent device that exhibits an efficient host-dopant energy transfer mechanism, and thus, expresses a certain high-efficiency electroluminescent performance, based on improved electron density distribution. The organic electroluminescent device also overcomes low initial efficiency and short operation life property, and secures high-performance electroluminescent performance with high efficiency and long life property for each color.

A laundry care composition comprises a laundry care ingredient or adjunct and at least one compound that is capable of changing from a first color state (i.e., the initial color state in the composition) to a second color state that is perceptibly different from the first color state. A method for treating textile articles comprises the steps of: (a) providing a laundry care composition as described above; (b) adding the laundry care composition to a liquid medium; and (c) placing the textile articles in the liquid medium.

The present invention describes indenocarbazole derivatives having electron and hole transport properties, especially for use in the emission layer and / or charge transport layer of electroluminescent devices or as matrix material. The invention further provides a process for preparing the compounds of the invention, and electronic devices comprising them.

To provide a two-photon absorption dye-containing material having a great off-resonant two-photon absorption cross section and comprising a two-photon absorption dye capable of decoloring itself through off-resonant two-photon absorption, useful for a three-dimensional refractive index or absorption index modulation material, a three-dimensional optical recording medium, three-dimensional refractive index modulation method and recording and reproducing method for a three-dimensional optical recording medium a two-photon absorption dye-containing material comprising at least a two-photon absorption dye capable of decoloring itself through two-photon absorption.

The present invention relates to electronic devices, in particular to organic electroluminescence devices, comprising compounds according to formula (1), and to the corresponding compounds.

Disclosed is a compound represented by the following formula (I): wherein Z1 represents an atomic group necessary to form a 5- or 6-membered nitrogen-containing heterocyclic ring; Z2 represents an atomic group necessary to form a 5- or 6-membered heterocyclic ring, Z2 may further be substituted, or may be condensed with a hetero ring of a benzene ring; R1 represents a hydrogen atom, a halogen atom, a mercapto group, an alkyl group, an alkenyl group, an aryl group, an alkylthio group, an alkenylthio group, or an arylthio group; L1 and L2 each represents a methine group; p1, represents 0 or 1; V1 represents a substituent; and n represents 0, 1 or 2, and when n represents 2, a plurality of V1 may be the same or different.

The invention provides a ruthenium (II)-polypyridine complex. For the ruthenium (II)-polypyridine complex, bipyridyl (bpy) or phenanthroline hydrate (phen) is used as an ancillary ligand, and dipyridine[3,2-a:2',3'-c]phenazine-11,12-imidazole (dppzi) is used as a main ligand. The preparation method comprises the following steps: preparing 5,6-dinitrobenzimidazole from 5,6-nitrobenzimidazole; reducing 5,6-dinitrobenzimidazole into 5,6-diaminobenzimidazole by using hydrazine hydrate and palladium / carbon; preparing dppzi from phenanthroline hydrate-5,6-dione and 5,6-diaminobenzimidazole and preparing cis-[Ru(bpy)2Cl2].2H2O from ruthenium trichloride, bpy and lithium chloride; preparing cis-[Ru(phen)2Cl2].3H2O from ruthenium trichloride, phen and lithium chloride; carrying out a heating reflux reaction on dppzi and cis-[Ru(bpy)2Cl2].2H2O or cis-[Ru(phen)2Cl2].3H2O under the protection of argon, carrying out cooling, adding ammonium hexafluorophosphate, allowing precipitate to deposit and carrying out filtration and column chromatography so as to obtain a target product. The ruthenium (II)-polypyridine complex provided in the invention can be used as an optical switch for G-quadruplex DNA molecules.

The present invention describes indenofluorene derivatives of the general formula I, II, III or IV having emitting and hole-transporting properties, in particular for use in the emission and / or charge-transport layer of electro-luminescent devices. The invention furthermore relates to a process for the preparation of the compounds according to the invention and to electronic devices comprising same.

The present invention provides a fluorescent dye-silane hybrid resin manufactured by polycondensing an alkoxysilane bonded with a fluorescent dye with an organo-silane. More particularly, the present invention provides a fluorescent dye-siloxane hybrid resin that is manufactured by reacting a fluorescent dye having one or more functional groups with an alkoxysilane having an organic functional group to form an alkoxysilane bonded with the fluorescent dye and then polycondensing the alkoxysilane bonded with a fluorescent dye with an organo-silanediol and an organo-alkoxysilane having a thermocurable or ultraviolet-curable functional group without water. The fluorescent dye-silane hybrid resin has excellent thermostability, photostability, fluorescence characteristics, and processibility.

1,2-Diazine compounds have been found to provide anti-corrosion properties when incorporated into silver nanowire containing films. The 1,2-diazine compounds have the general structure (I) or (II).

Provided is a novel electrochemical display element which performs bright white display, high contrast black / white display and full-color display with a simple member configuration. A method for driving such display element is also provided. The display element contains an electrochromic compound, which is colored or has its color disappear due to oxidation or reduction, a metallic salt compound, an electrolyte and a white scattered material, between opposing electrodes. The display element substantially performs multiple color display of three colors or more, i.e., black display, white display and colored display other than black, by driving operation of the opposing electrodes.

Disclosed are: a pigment dispersion that is for a color filter and that has a large process margin in a production disperser while meeting the demand for high brightness and increased contrast; and a negative resist composition that is for a color filter and that has excellent alkaline developing characteristics, can form a color filter having high contrast and high brightness, and has excellent pigment dispersion characteristics. The pigment dispersion for a color filter contains: a pigment dispersing agent that is a particular block co-polymer of which at least a subset of the amino groups that a repeating unit has forms a salt with an organic phosphate compound; a pigment; a sulfonic acid derivative of C.I. pigment yellow 138, and a solvent. The negative resist composition contains: the aforementioned pigment dispersing agent; a pigment; a sulfonic acid derivative of C.I. pigment yellow 138; an alkali-soluble resin; a polyfunctional monomer; a photoinitiator; and a solvent.

The invention discloses indoline-dithienoquinoxaline-dibenzo[a,c]phenazine dye and application of the dye to a dye-sensitized solar cell. The dye is a D-A-pi-A pure organic dye, wherein an indoline group is taken as an electron donor; a dithienoquinoxaline group and a thiophene group are taken as pi bridges; a cyanoacetic acid group is taken as an electron donor as well as an anchoring group; meanwhile a dibenzo[a,c]phenazine group is taken as an electronic assisted donor. The dibenzo[a,c]phenazine assisted electronic donor is introduced into dye molecules, so that the conjugacy of the dye molecules is enhanced, and the molecular orbital energy level is regulated; intramolecular electron transfer is promoted through a rigid plane of conjugated big pi-bridge dioctyl dithienoquinoxaline, andthe accumulation of the dye is restrained through an alkyl chain, so that the spectrum response range is expanded effectively, and the electronic life is prolonged; the dye has good light absorptioncapability; the dye-sensitized solar cell based on the dye can obtain big photocurrent, so that relatively high photoelectric conversion efficiency is achieved.

A nitrogen-containing aromatic heterocyclic derivative represented by the following formula, wherein X1 to X3 are a single bond, CRaRb, NRc, an oxygen atom or a sulfur atom, and when all of X1 to X3 is a single bond, at least one of Ara, Arb and Arc is an aryl group having 6 to 20 ring carbon atoms substituted with a heteroaryl group, an aryloxy group or a heteroaryloxy group, or a substituted or unsubstituted heteroaryl group having 5 to 20 ring atoms.

To provide a two-photon absorption dye-containing material having a great off-resonant two-photon absorption cross section and comprising a two-photon absorption dye capable of decoloring itself through off-resonant two-photon absorption, useful for a three-dimensional refractive index or absorption index modulation material, a three-dimensional optical recording medium, three-dimensional refractive index modulation method and recording and reproducing method for a three-dimensional optical recording medium a two-photon absorption dye-containing material comprising at least a two-photon absorption dye capable of decoloring itself through two-photon absorption.

A carrier system carries at least one type of sensitizing dye described in (A) and at least one type of sensitizing dye described in (B): (A) a sensitizing dye having a π-conjugated group and at least one anchor group, wherein the π-conjugated group and every one of the anchor group(s) are connected by a spacer having at least one alkylene and having an atomicity of 5 to 20; and (B) a sensitizing dye having a π-conjugated group and at least one anchor group, wherein the π-conjugated group and at least one anchor group are connected by a direct bond or by a spacer having at least one alkylene and having an atomicity of 1 to 4. In (A) and (B), the spacer is composed of carbon atoms, or carbon atoms and oxygen atom(s) etc., under predetermined conditions (see Description), and may have a branched chain or a ring structure.

The present invention relates to fluorine derivatives and organic electronic devices in which said compounds are used as a matrix material in the emitting layer and / or as a hole transport material, and / or as an electron blocking or exciton blocking material, and / or as an electron transport material.

The present invention relates to riminophenazines having heteroaromatic substitutions, including those with 2-heteroaryl-amino substituents, to their preparation, and to their use as drugs for treating Mycobacterium tuberculosis and other microbial infections, either alone or in combination with other anti-infective treatments.

A leuco polymer comprising a polyethylenimine and at least one leuco moiety covalently bound to the polyethylenimine, wherein the polyethylenimine comprises three or more amine nitrogen atoms and 1 mol. % or more of amine hydrogen atoms in the polyethylenimine are replaced with a moiety selected from the group consisting of 2-hydroxypropyl, 1-hydroxypropane-2-yl, and polyalkoxy groups. Methods of making the leuco polymer, laundry care compositions comprising the leuco polymer and methods of treating textiles with such laundry care compositions.