29results about "Triarylamine dyes" patented technology

The application relates to an electronic device comprising an anode, a cathode, at least one emitting layer between the anode and the cathode, at least one p-doped layer A containing a mono-triarylamine as a host, and at least one layer B containing a mono-triarylamine. The invention further relates to a p-doped mixture comprising a mono-triarylamine of formula (II), (III) or (IV) as a host and an electron acceptor compound as a dopant, and the use of the mixture in an electronic device.

The purpose of the present invention is to provide: a photochromic compound having excellent temperature dependency and an excellent color fading speed; a naphthol derivative that can be an intermediate for the photochromic compound; and a curable composition, an optical article, a lens, and an eyeglass each including the photochromic compound. An embodiment of the present invention provides a photochromic compound having a skeleton represented by formula (1). In formula (1), M is C, Si, or Ge. Ring A is a substituted or unsubstituted aromatic ring, a substituted or unsubstituted aromatic heterocyclic ring, or a substituted or unsubstituted condensed polycyclic ring in which an aromatic ring or an aromatic heterocyclic ring and the substituted or unsubstituted aromatic ring or the substituted or unsubstituted aromatic heterocyclic ring are condensed. Z1 is a group represented by formula (1a) or a group represented by formula (1b).

The application provides a light-emitting auxiliary material and a preparation method and application thereof, and belongs to the field of organic electroluminescence. The light-emitting auxiliary material of the application is connected with triarylamine on a para-folded biphenyl bridged adamantane, one side chain of the triarylamine is an aryl-bridged dibenzofuran, and the other side chain is selected from specific groups. The adamantane has high spatial symmetry and a rigid structure, and can improve the service life of a device to a certain extent. The dibenzofuran is extended through the buffer of an arylene group, the molecular fluidity is enhanced, and thus the light-emitting efficiency of the device is improved. In addition, the dibenzofuran itself has excellent electrochemical stability, is beneficial to improving the mobility of the compound, improving the light-emitting efficiency, and also improving the service life. The organic electroluminescent device using the light-emitting auxiliary material of the application has low driving voltage, high light-emitting efficiency and long service life.

The present application relates to a dye compound of the formula (I), or a salt thereof. The present application relates to the use of the fluorescent dye or salt for various applications, such as for staining cells and for assessing the effect of an agent on a cell phenotypic state.

The invention relates to the technical field of fluorescence labeling, in particular to preparation of a fluorescent dye with aggregation-induced emission property and application of the fluorescent dye in exosome labeling and tracing. The fluorescent dye with the aggregation-induced emission property, provided by the invention, can be used for efficiently marking and tracing the exosome. Meanwhile, the fluorescent dye is free of chemical corrosion and toxicity.

Compound according to formula (10a), where the following applies to the symbols and indices used: X is B, P or P=O; Ar 2 In each occurrence, the group is either the same or different: an aryl group with 6 to 10 aromatic ring atoms, which may be substituted with one or more R groups, or a heteroaryl group with 5 to 13 aromatic ring atoms, which may be substituted with one or more R groups; R is selected in each instance, either the same or different, from the group consisting of H, D, F, CN, a straight-chain alkyl group with 1 to 10 C atoms, or a branched or cyclic alkyl group with 3 to 10 C atoms, each with one or more R substituents. 2 may be substituted, with one or more H atoms being replaced by D or F, or an aromatic or heteroaromatic ring system with 5 to 18 aromatic ring atoms, each with one or more R groups 2can be substituted, with optionally two or more adjacent substituents R forming a monocyclic or polycyclic, aliphatic, aromatic or heteroaromatic ring system, which can be combined with one or more R groups 2 may be substituted; R 1 is the same or different R in each occurrence; two groups R can be used 1 , if n = 2, they also form a ring together; R 2 is selected in each occurrence, either the same or different, from the group consisting of H, D, F, a straight-chain alkyl group with 1 to 40 C atoms, or a branched or cyclic alkyl group with 3 to 40 C atoms, where one or more H atoms may be replaced by D or F, or an aromatic or heteroaromatic ring system with 5 to 60 aromatic ring atoms, each with one or more R groups 3can be substituted, optionally with two or more adjacent substituents R 2 can form a monocyclic or polycyclic, aliphatic, aromatic or heteroaromatic ring system, which may contain one or more R groups 3 may be substituted; R 3 is selected from the group consisting of H, D, F, CN or an aliphatic hydrocarbon residue with 1 to 20 C atoms, either the same or different in each occurrence; n is 0 if X represents B or P=O, and is 0 or 2 if X represents P.

The present invention relates to organic light emitting elements, comprising thermally activated delayed fluorescence (TADF) emitters and / or hosts of formulawhich have a sufficiently small energy gap between S1 and T1 (ΔEST) to enable up-conversion of the triplet exciton from T1 to S1. The organic light emitting elements show high electroluminescent efficiency.

An object is to provide a light-emitting element with high emission efficiency by providing a novel fluorene derivative.SOLUTION: The fluorene derivative is represented by general formula (G1). Wherein J, k, m, and n are 0 or 1, provided that at least one of J and k is 1. ) SELECTED DRAWING: None

The application belongs to the technical field of biology and specifically relates to a kind of fluorescent compound with aggregation-induced emission characteristics and a preparation method and application thereof.A new kind of terpyridine fluorescent compound with aggregation-induced emission characteristics is synthesized, which has the characteristics of easy preparation, high fluorescence intensity, low fluorescence background, high biological safety and the like.The compound prepared by the application can be used as a fluorescent dye and photosensitizer for bacterial membrane and DNA double targeting, and has the advantages of good light stability, good biocompatibility, short time consumption and simple operation in dyeing imaging effect, and can be used for bacterial imaging, distinguishing gram-positive bacteria and gram-negative bacteria.The compound of the application can also be used for antibacterial treatment of drug-resistant bacteria, mainly by targeted binding to destroy the structure of bacterial membrane and DNA, to achieve high-efficiency bacterial killing effect, and has broad spectrum.

An object of the present invention is to provide a light-emitting element with high luminous efficiency by providing a novel fluorene derivative. The present invention provides a fluorene derivative represented by the following general formula (G1): JPEG2026010089000066.jpg69120 (J, k, m, and n are 0 or 1, provided that at least one of J and k is 1.)

To provide a fluorene derivative capable of providing a light-emitting element having high light-emission efficiency.SOLUTION: The invention provides a fluorene derivative represented by the general formula (G1) in the figure. In the formula, R1 to R8 each independently represent H, a C1-6 alkyl group, or the like; α1 to α4 each represent a substituted or unsubstituted C6-12 arylene group; Ar1 and Ar2 each represent an aryl group having 6 to 13 ring-forming carbon atoms; and Ar3 represents a C1-6 alkyl group or a substituted or unsubstituted C6-12 aryl group; and J, k, m and n each independently represent 0 or 1, provided that at least one of J and k is 1.SELECTED DRAWING: None

The present invention relates to a near-infrared absorbing compound represented by general formula (1) and a dye composition containing the near-infrared absorbing compound. In general formula (1), each of R1-R8 independently represents a group selected from the group consisting of a phenyl group having a substituent having a sigma p value of-0.5 or more in accordance with the Hamilt equation, an optionally substituted aryl group having 7-20 carbon atoms, and an optionally substituted heteroaryl group, and two or more of R1-R8 may be linked to each other to form a ring. R9-R13 represent a monovalent substituent, and each of the five n independently represents an integer of 0-4. M is 1 or 2, and X represents a non-nucleophilic anion.

The present application relates to the technical field of displays, and more particularly to an oxazole-based organic compound containing benzonaphthofuran and its use. The oxazole-based organic compound containing benzonaphthofuran according to the present application has the following structure: An organic electroluminescent device containing the oxazole-based organic compound containing benzonaphthofuran has a relatively low driving voltage, a relatively high luminous efficiency, and a relatively long lifetime. TIFF2026504543000069.tif2950

The present invention relates to a compound represented by chemical formula 6, which forms a deep HOMO while having a high LUMO in which electron blocking is easy, has excellent hole mobility, suppresses a roll-off phenomenon when used as a light-emitting auxiliary layer of an organic light-emitting device, and also relates to an organic light-emitting device comprising the same. According to the present invention, low voltage, high efficiency, and long life can be achieved, and recrystallization can be prevented when an organic light-emitting device is driven by a high Tg, thereby ensuring stability.

The invention relates to a carbene dye containing diazidinium groups and a preparation method thereof, two or more diazidinium groups are introduced into a carbene dye molecule, and a high-activity carbene intermediate is generated under a heating condition. C-H, N-H or O-H bond insertion cross-linking reaction with fibers can be carried out on the surfaces of various fibers and amorphous areas in the fibers, and accurate dyeing of the fibers is realized by forming covalent bonds. The dye system provided by the invention has excellent dyeing properties, including high fixation rate, good color fastness and wide applicability to various fibers.

The application relates to an electronic device comprising an anode, a cathode, at least one emitting layer between the anode and the cathode, at least one p-doped layer A containing a mono-triarylamine as a host, and at least one layer B containing a mono-triarylamine. The invention further relates to a p-doped mixture comprising a mono-triarylamine of formula (II), (III) or (IV) as a host and an electron acceptor compound as a dopant, and the use of the mixture in an electronic device.

An object is to provide a light-emitting element with high emission efficiency by providing a novel fluorene derivative.SOLUTION: The fluorene derivative is represented by general formula (G1). Wherein J, k, m, and n are 0 or 1, provided that at least one of J and k is 1. ) SELECTED DRAWING: None

The present invention relates to a compound represented by the following General Formula (1) or a salt thereof.In General Formula (1), R1, R2, R3 and R4 each independently represent a hydrogen atom, a linear or branched alkyl group which may have a substituent or the like. R1 and R2 may be bonded to each other to form a ring. R3 and R4 may be bonded to each other to form a ring. R1 and / or R2 may be bonded to a 6-membered ring to which —NR1R2 is bonded to form a ring. R3 and / or R4 may be bonded to a 6-membered ring to which —NR3R4 is bonded to form a ring. R5 represents —11CH3, a linear or branched alkyl group which may have a substituent or the like. R6 represents —F, —18F or the like. X, Y and Z each independently represent a carbon atom, an oxygen atom or the like. n is 0 or 1.

The present disclosure provides coinage metal carbene emitters of Formula I; organic light emitting device (OLED) comprising an anode, a cathode, and an organic layer, disposed between the anode and the cathode, comprising a compound of Formula I; and consumer products comprising an OLED comprising a compound of Formula I:

The purpose of the present invention is to provide: a photochromic compound having excellent temperature dependence and fading speed; a naphthol derivative that can be used as an intermediate of the photochromic compound; a curable composition containing the photochromic compound; an optical article; according to one embodiment, a photochromic compound having a skeleton represented by formula (1) is provided. In formula (1), M is C, Si or Ge. Ring A is a substituted or unsubstituted aromatic ring, a substituted or unsubstituted aromatic heterocyclic ring, or a substituted or unsubstituted fused polyring in which an aromatic ring or an aromatic heterocyclic ring is fused to these rings. Z1 represents a group represented by formula (1a) or a group represented by formula (1b).

A photochromic compound of the present invention comprises at least two monovalent photochromic basic structure groups PC including a T-type photochromic moiety, the photochromic basic structure groups being bonded to an organic group having a non-SO aromatic ring containing neither a sulfur atom nor an oxygen atom.

The purpose of the present invention is to provide: a photochromic compound having excellent temperature dependency and an excellent color fading speed; a naphthol derivative that can be an intermediate for the photochromic compound; and a curable composition, an optical article, a lens, and an eyeglass each including the photochromic compound. An embodiment of the present invention provides a photochromic compound having a skeleton represented by formula (1). In formula (1), M is C, Si, or Ge. Ring A is a substituted or unsubstituted aromatic ring, a substituted or unsubstituted aromatic heterocyclic ring, or a substituted or unsubstituted condensed polycyclic ring in which an aromatic ring or an aromatic heterocyclic ring and the substituted or unsubstituted aromatic ring or the substituted or unsubstituted aromatic heterocyclic ring are condensed. Z1 is a group represented by formula (1a) or a group represented by formula (1b).

The application provides a near-infrared two-region fluoroborondye molecule with high photo-thermal conversion efficiency and a preparation method thereof, wherein the fluoroborondye molecule BDF-8OMe is obtained by dissolving BDF-2Br and N1-(4-(bis(4-methoxyphenyl)amino)phenyl)-N4,N4-bis(4-methylphenyl)benzene-1,4-diamine (TPA-NH) in a toluene medium under a nitrogen atmosphere, using palladium acetate as a catalyst, tri-tert-butylphosphine tetrafluoroborate as a ligand, and cesium carbonate as an inorganic base. The fluoroborondye molecule has a D-A-D structure and has good absorption in the NIR-II region. The photo-thermal reagent prepared from the fluoroborondye molecule has a high photo-thermal conversion efficiency of 62.5% under 1064nm laser excitation, and can be used for precise and efficient NIR-II photoacoustic / photo-thermal imaging mediated photothermal therapy of deep tumor tissue, reduces tumor treatment damage and side effects, and improves treatment efficiency and accuracy.

The purpose of the present invention is to provide: a photochromic compound that has excellent temperature dependence, decoloration speed, and durability; a naphthol derivative that can be an intermediate of the photochromic compound; a naphthol derivative that can be an intermediate of the photochromic compound; a curable composition that contains the photochromic compound; an optical article; a lens; and eyeglasses.An embodiment of the present invention provides a photochromic compound having a skeleton represented by formula (1). In formula (1), M is C, Si, or Ge. R1 is a group represented by formula (2). R2 is an alkyl group that may contain a halogen atom in a substituent, or a group represented by formula (2).

The application relates to an electronic device comprising an anode, a cathode, at least one emitting layer between the anode and the cathode, at least one p-doped layer A containing a mono-triarylamine as a host, and at least one layer B containing a mono-triarylamine. The invention further relates to a p-doped mixture comprising a mono-triarylamine of formula (II), (III) or (IV) as a host and an electron acceptor compound as a dopant, and the use of the mixture in an electronic device.

A benzonaphthofuran-containing oxazole organic compound has a structure as shown in formula (I):An organic light-emitting device containing the benzonaphthofuran-containing oxazole organic compound can have relatively low driving voltage, relatively high light-emitting efficiency and relatively long service life.

An object of the present invention is to provide a light-emitting element having high luminous efficiency by a novel fluorene derivative represented by the following General Formula (G1). In the formula, R1 to R8 independently represent any one of a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted biphenyl group. In addition, [alpha] 1 to [alpha] 4 independently represent any of a substituted or unsubstituted arylene group having 6 to 12 carbon atoms. Further, Ar1 and Ar2 independently represent any of an aryl group having 6 to 13 carbon atoms in a ring, and Ar3 represents an alkyl group having 1 to 6 carbon atoms or a substituted or unsubstituted aryl group having 6 to 12 carbon atoms. J, k, m, and n independently represent 0 or 1. # imgabs0 #

An object of the present invention is to provide a light-emitting element having high luminous efficiency by using a novel fluorene derivative represented by the following general formula (G1): wherein R 1 ‑R 8 independently represents any one of a hydrogen atom, an alkyl group having 1-6 carbon atoms, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted biphenyl group. 1 ‑α 4 In addition, Ar1 and Ar2 independently represent any aryl group having 6-13 ring carbon atoms, Ar 3 represents an alkyl group having 1 to 6 carbon atoms or a substituted or unsubstituted aryl group having 6 to 12 carbon atoms. J, k, m, and n independently represent 0 or 1. #imgabs0#

Provided are a near infrared absorbing compound represented by General Formula (1), and a coloring agent composition containing the near infrared absorbing compound. In General Formula (1), R1 to R8 each independently represent a group selected from a phenyl group having a substituent in which a σp value on Hammett's rule is −0.5 or more, an aryl group having 7 to 20 carbon atoms, which may have a substituent, or a heteroaryl group which may have a substituent, and two or more of R1 to R8 may be linked to each other to form a ring. R9 to R13 each independently represent a monovalent substituent, and five n's each independently represent an integer of 0 to 4. m is 1 or 2, and X− represents a non-nucleophilic anion.