Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

20results about "Oxazine dyes" patented technology

Electronic devices

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.
Owner:MERCK PATENT GMBH

Coloured photochromic cosmetic ingredient for cosmetic compositions changing colour when irradiated with ultraviolet light, and method for the preparation thereof

Cosmetic ingredient comprising a photochromic molecule denominated FC-SPOX for cosmetic products changing colour when irradiated through ultraviolet light (UV, preferably UV-A). Formula (I). Method of synthesis of such photochromic molecule. Monosubstituted and disubstituted transesterification product between FC-SPOX and a polymer or cosmetic oil with the aim of increasing the molecular weight of FC-SPOX. Formula (I). Method for the transesterification. Cosmetic compositions for make-up containing said photochromic transesterification product, capable of changing colour both per se and when applied to the skin when they are exposed to UV radiation.
Owner:INTERCOS SPA

Fluorescent organic light emitting elements having high efficiency

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.
Owner:UDC IRELAND

Small-molecule fluorescent dye with emission wavelength exceeding 1300 nm and preparation method of small-molecule fluorescent dye

The invention discloses a micromolecular fluorescent dye with emission wavelength exceeding 1300 nm and a preparation method thereof. Complex fluorescent molecules with the emission wavelength exceeding 1300 nm are constructed through nucleophilic substitution, electrophilic substitution, coupling reaction and oxidation reaction, the route steps are short, operation is easy and convenient, the total yield is high, the synthesis difficulty, time and cost are greatly reduced, and the method is suitable for industrial production. Multiple functional group modification and tedious pi-system expansion steps for adjusting the spectral performance in the prior art are avoided, and a traditional synthesis path needing more than six steps is compressed to four steps. The molecular weight of the prepared fluorescent dye is only 592.2383, and the traditional design difficulty that long wavelength is inevitably accompanied by large molecular weight (generally gt and 800 Da) in the prior art is fundamentally broken through.
Owner:ZHEJIANG UNIV OF TECH

High-stability near-infrared dichroic dye, liquid crystal composition and application of high-stability near-infrared dichroic dye

The invention discloses a dichroic dye, a liquid crystal composition and application of the dichroic dye. The structural general formula of the disclosed dichroism dye compound is shown as I in the specification. The liquid crystal composition comprises the dichroic dye and at least one liquid crystal compound. The dimming glass device prepared from the dichroic dye or the liquid crystal composition has the advantages of high photo-thermal stability, high order parameter and wide working temperature range.
Owner:XIAN MODERN CHEM RES INST

Optical materials and methods thereof

PendingUS20260042915A1Active medium materialTriarylmethane dyesSolid-state dye lasersPolymer science
A small molecule ionic isolation lattice (“SMILES”)-doped polymeric gain media for use in solid state dye lasers. The SMILES-doped polymeric gain media can comprise a polymer component and a SMILES component. The SMILES component can include a dye element, a counterion element, and a receptor element. In some exemplary embodiments, the SMILES composite can include the following formula: a (dyem+)x·(counterionn)y·(receptor)z, wherein values of m, n, x and y may be integers greater than or equal to 1.
Owner:STAR VOLTAIC LLC

Amino-functionalized Nile blue dye as well as synthesis method and application thereof

The invention discloses amino-functionalized Nile blue dye as well as a synthesis method and application thereof, and belongs to the field of organic synthesis. According to the method, by optimizing the catalyst type, the reaction temperature and the solvent system, the generation of isomer byproducts is effectively inhibited, and the reaction selectivity is improved. Compared with the prior art, the synthesis process disclosed by the invention has the advantages of simple reaction steps, mild and controllable conditions, high product yield and high purity; meanwhile, large-scale use of strong acid, strong alkali and expensive noble metal catalysts is avoided, and the production cost is remarkably reduced. The obtained amino-functionalized Nile blue dye has long wavelength absorption, excellent cell membrane permeability and wide pH tolerance range (pH 2-11), and can generate superoxide anion free radicals under red light excitation. Based on the characteristics, the compound can be widely applied to the fields of biological fluorescence labeling and functional material preparation.
Owner:DALIAN UNIV OF TECH

Xanthommatin as Color Additive for Food, Beverage and Drug Compositions

A substrate having an edible color additive within the substrate or coated on the substrate is disclosed. The edible color additive comprises xanthommatin at a concentration of about 0.01% wt to about 0.5% wt and optionally a dry based carrier or a solution-based carrier. The substrate is a food, beverage, drink, medication or a drug form. The color additives of the disclosure can be produced in the color spectrum of yellow, orange, red, or concentrated forms (e.g., concentrated yellow appears as brown).
Owner:NORTHEASTERN UNIV (US)

Display device and electronic device

The invention relates to a display device and an electronic device. The display device may include a display panel, a touch sensing layer, and a reflection adjustment layer. The touch sensing layer may include a touch insulating layer. The touch insulating layer may include a colorant and may cover the first light emitting region. The reflection adjustment layer may be disposed on the touch sensing layer. The reflection adjustment layer may include a first adjustment portion, which is a non-polarizing portion, and a second adjustment portion, which is a polarizing portion. The first adjustment portion may cover the first light emitting region, and the second adjustment portion may cover a second light emitting region. The display panel may be configured to emit light of a first wavelength band through the first light emitting region, and the touch insulating layer may be configured to selectively transmit light of the first wavelength band.
Owner:SAMSUNG DISPLAY CO LTD

Photoprotective cosmetic composition containing xanthomatin as an antioxidant and UV filter stabilizer

The present invention provides a photoprotective cosmetic composition containing xanthomatin as an antioxidant and a UV filter stabilizer. [Solution] Unsaturated solutions of phenoxazone and / or phenoxazine or their precursors or derivatives, such as xanthomatine, are used in dermatological and skincare formulations as separate molecules to enhance protection and safety. Unaggregated xanthomatine molecules boost UV filtering performance, enhancing the photostability and UV absorption properties of known chemical UV filters. Xanthomatine molecules in unsaturated solutions replace the performance of avobenzone, a UV-A filter in sun care products, and replace the performance of known antioxidants, resulting in higher performance stability over time. Unsaturated solutions of xanthomatine provide safer and more effective broad-spectrum protection.
Owner:SEASPIRE INC

Electronic devices

ActiveEP4369378B1Styryl dyesOrganic chemistry
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.
Owner:MERCK PATENT GMBH

Ultraviolet and Visible Light Responsive Coatings Using Redox-Active Colorants and Semiconductors

PendingUS20260015515A1Artificial dyesThiazine dyesLight responsiveOrganic chemistry
A composition of tin-doped titanium dioxide (Sn—TiO2) particles, a redox-active dye that changes color from exposure to ultraviolet (UV) light, visible light, or a combination thereof, and a paint matrix, along with methods of making the composition and uses of the composition are described herein. Compositions of TiO2 particles, wherein the TiO2 particles are at least 80% anatase or at least 80% rutile, in combination with a redox-active dye that changes color from exposure to ultraviolet (UV) light, visible light, or a combination thereof, and a paint matrix are also described herein.
Owner:NORTHEASTERN UNIV (US)

Dichroic dye, liquid crystal composition and application thereof

The invention discloses a dichroic dye, a liquid crystal composition and application of the dichroic dye. The structural general formula of the disclosed dichroic dye compound is shown as I, and the disclosed liquid crystal composition comprises the dichroic dye and at least one liquid crystal compound. The dimming glass device prepared from the liquid crystal composition related to the dichroism dye has the advantages of high light and heat stability, high order parameter and wide working temperature area.
Owner:XIAN MODERN CHEM RES INST

Cosmetic and Dermatological Compositions

Cosmetic and dermatological compositions, including color changing compositions, are provided which typically include a plurality of synthetic particles having a size in the micrometer or nanometer range. The cosmetic or dermatological formulation comprises an antioxidant or UV filter and xanthommatin pigment present in the formulation at a concentration of 0.01% wt to 0.5% wt to scavenge free radicals. The cosmetic or dermatological formulation can be a sun protectant composition having an SPF of 2-30.
Owner:NORTHEASTERN UNIV (US)

Positive-type photosensitive pigment composition and a cured film containing the cured product thereof, and organic EL display device

The purpose of the present invention is to provide a positive photosensitive pigment composition having high long-term storage stability with respect to halftone processability, with which an organic EL display device having excellent light resistance reliability can be obtained and light-shielding pixel division layers and spacer layers can be collectively formed. The present invention is a positive photosensitive pigment composition containing (a) a triphendioxazine pigment having a carboxylic acid amide bond and / or a carboxylic acid ester bond, (b) a resin having a structure represented by formula (1) and / or a structure represented by formula (2), (c) a photoacid generator, and (d) an organic solvent.
Owner:TORAY INDUSTRIES INC

Display device including a touch insulation layer and a reflection adjustment layer, electronic device, and method for manufacturing a display device

A display device may include a display panel, a touch sensing layer, and a reflection adjustment layer. The touch sensing layer may include a touch insulation layer. The touch insulation layer may include a colorant and may cover a first light-emitting region. The reflection adjustment layer may be disposed on the touch sensing layer. The reflection adjustment layer may include a first adjustment portion which is non-polarized and a second adjustment portion which is polarized. The first adjustment portion may cover the first light-emitting region, and the second adjustment portion may cover a second light-emitting region. The display panel may be configured to emit light of a first wavelength band through the first light-emitting region, and the touch insulation layer may be configured to selectively transmit light of the first wavelength band.
Owner:SAMSUNG DISPLAY CO LTD

Electronic devices

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.
Owner:MERCK PATENT GMBH