Product
Eureka
For R&D, Eureka makes reading and utilizing patents & technical documents easy.
Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
111results about "Diketopyrrolopyrrole dyes" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Diketopyrrolopyrrole-based derivatives for thin film transistors
ActiveUS20090065878A1Solid-state devicesSemiconductor/solid-state device manufacturingArylChemical structure
A thin film transistor device includes a semiconductor layer. The semiconductor layer includes a compound comprising a chemical structure represented by:wherein each R is independently selected from hydrogen, an optionally substituted hydrocarbon, and a hetero-containing group,each Ar is independently selected from optionally substituted aryl and heteroaryl groups,each M is an optional, conjugated moiety,a represents a number that is at least 1,b represents a number from 0 to 20, andn represents a number that is at least 1.
Owner:XEROX CORP
Composition for organic electroluminescene element and organic electroluminescent using the same
InactiveUS20040151944A1Improve film formationAvoid pinholesDischarge tube luminescnet screensElectroluminescent light sourcesFluorescenceOrganic layer
There are disclosed an organic electroluminescent (EL) device composition that includes a compound (A) having a perylene ring and a compound (B) having a diketopyrrolopyrrole skeleton, and an organic EL device that includes a pair of electrodes consisting of an anode and a cathode, and one or more organic layers including a light-emitting layer formed between the electrodes, at least one of the organic layers being a layer formed from the organic EL device composition. Furthermore, there are disclosed an organic EL device composition that includes a compound (C) having, as a solid film, a fluorescence spectrum peak wavelength of 550 nm or longer, and a compound (D) having, as a solid film in which Compound (D) is contained at 5 wt % in Compound (C), an area at a wavelength of 600 nm or shorter in a fluorescence spectrum region of 500 to 800 nm of 20% or less of the entire area, and an organic EL device including a light-emitting layer formed from this composition.
Owner:TOYO INK SC HOLD CO LTD
Organic electronic devices and polymers, including photovoltaic cells and diketone-based polymers
InactiveUS20110204341A1Better electronic and photonic devicesBetter solar cells or photovoltaic devicesGroup 4/14 element organic compoundsSolid-state devicesDiketonePolymer science
Owner:SOLVAY USA
Fluorinated dyes or colorants and their uses
InactiveUS20050039274A1Improve solubilityGood dispersibilityOrganic chemistryReactive dyesSolubilityElectrophoresis
This invention relates to novel fluorinated dyes or colorants having high solubility and low viscosity in halogenated, especially fluorinated, solvents. The dyes or colorants of the present invention have shown to improve the performance of electrophoretic displays.
Owner:E INK CALIFORNIA
Fused thiophenes, methods of making fused thiophenes, and uses thereof
InactiveUS20130085256A1Improve Oxidation StabilityLiquid crystal compositionsOrganic chemistrySimple Organic CompoundsPolymer science
Owner:CORNING INC
Diketopyrrolopyrrole-type pigment composition for color filters, colored composition for color filters, and color filter
The invention provides a diketopyrrolopyrrole-type pigment composition for color filters, which comprises a diketopyrrolopyrrole pigment represented by formula (1) and a diketopyrrolopyrrole pigment represented by formula (A-2), and which is characterized in that the content of the diketopyrrolopyrrole pigment represented by formula (A-2) is 1-15 mass% relative to the total mass of the diketopyrrolopyrrole-type pigments.
Owner:TOYO INK SC HOLD CO LTD +1
Non-Aqueous Pigment Dispersions Using Dispersion Synergists
InactiveUS20080308005A1Improve dispersion qualityImprove stabilityInksDiketopyrrolopyrrole dyesHydrogenEthyl group
A non-aqueous pigment dispersion comprising a diketopyrrolo-pyrrole pigment, a polymeric dispersant and a dispersion synergist in a non-aqueous dispersion medium characterized in that said dispersion synergist is a diketopyrrolo-pyrrole derivative according to Formula (I):whereinR1, R2 and R3 are independently selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, an tert.-butyl group, a phenyl group, a cyano group and an acid group;R4, R5 and R6 are independently selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, an tert.-butyl group, a phenyl group and a cyano group; andcharacterized in that one of R7 and R8 is a group comprising two acid functions while the other one of R7 and R8 represents hydrogen.
Owner:AGFA NV
Conjugated Polymers and Their Use in Optoelectronic Devices
ActiveUS20120186652A1Enhanced light absorptionGood charge transport characteristicNanoinformaticsSolid-state devicesSolubilityPhotodetector
Disclosed are certain polymeric compounds and their use as organic semiconductors in organic and hybrid optical, optoelectronic, and / or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, field effect transistors, and photodetectors. The disclosed compounds can provide improved device performance, for example, as measured by power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on / off current ratios, and / or air stability when used in photovoltaic cells or transistors. The disclosed compounds can have good solubility in common solvents enabling device fabrication via solution processes.
Owner:RAYNERGY TEK INC
Fluorinated dyes or colorants and their uses
InactiveUS20060281924A1Improve solubilityGood dispersibilityOrganic chemistryDiketopyrrolopyrrole dyesSolubilitySolvent
Owner:E INK CALIFORNIA
Luminescent solar collector
A luminescent solar collector comprises a sheet and a light energy converter operatively connected to the sheet, the sheet comprising a thermoplastic polymer and dispersed therein at least two dyes A and B; wherein dye A is a fluorescent dye of Formula (I) and dye B is either a perylene dye of Formula (II) or a diketopyrrolopyrrole dye of Formula (III):wherein R, m, R1, R2, R3, R4, and k are as described herein. The luminescent solar collector has improved output.
Owner:SABIC INNOVATIVE PLASTICS IP BV
Organic nano particle and dispersive combination, photo-sensitive resin combination, trans-printing material, filter, liquid display device and CCD device
InactiveCN101081941ASharp particle size distributionParticle Size Distribution ControlOptical filtersNanoopticsDisplay deviceOrganic chemistry
Provided are an organic nano-particle which has nano-size and its particle distribution is sharp; and an organic nano-particle dispersion composition having stable and excellent dispersion property, flow behavior. Besides, provided are a color filter made of them, which has high contrast and perform excellent display property; a liquid crystal device and a CCD device by using them; and a colored photosensitive resin composition and a photosensitive resin transcription material by using them. An organic nano-particle which is consisting of organic material, its amount average particle size is 50 nm or less, and the ratio of (volume average particle size) / (amount average particle size) is 1.0~2.0.
Owner:FUJIFILM CORP
Method of producing organic nanoparticles, organic nanoparticles thus obtained, inkjet ink for color filter, colored photosensitive resin composition and photosensitive resin transfer material, containing the same, and color filter, liquid crystal display device and ccd device, prepared using the same
InactiveUS20090059138A1Improve display characteristicsIncrease contrastMaterial nanotechnologyOrganic chemistryNanoparticleOrganic group
A method of producing organic nanoparticles, comprising:mixing a solution of an organic material dissolved in a good solvent with a solvent that is compatible with the good solvent but is a poor solvent for the organic material, to prepare a dispersion in which the organic material is being formed to organic fine particles of a size in the order of nanometer;wherein the dispersion contains a polymer compound having a weight-average molecular weight of 1,000 or more represented by the following formula (1):wherein R1 represents a (m+n)-valent connecting group; R2 represents a single bond or a divalent connecting group; A1 represents a specific monovalent organic group; when n is two or more, plural A1s may be the same or different; m represents 1 to 8; n represents 2 to 9; m+n is 3 to 10; and P1 represents a polymer compound residue.
Owner:FUJIFILM CORP
Diketopyrrolopyrrole-based derivatives for thin film transistors
ActiveUS7910684B2Solid-state devicesSemiconductor/solid-state device manufacturingPyrroleMaterials science
Owner:XEROX CORP
Colored composition for color filter and display using color filters formed of the colored composition
Owner:PANASONIC LIQUID CRYSTAL DISPLAY CO LTD +1
Dyes of improved optical brightness and/or fluorescence and compositions containing them
Preparing dyes suitable for cosmetic use that start with known dyes and link them, for example, with 1,3,5 triazine to bulky organic groups that control solubility.
Owner:HOLMES ANDREA E
Near-infrared absorptive composition, near-infrared absorptive coated material, near-infrared absorptive liquid dispersion, near-infrared absorptive ink, printed material, and near-infrared absorptive image-forming composition
ActiveUS20110195235A1Improve invisibilitySufficient dispersion stabilityMethine/polymethine dyesDecorative surface effectsArylHydrogen atom
A near-infrared absorptive liquid dispersion, which contains a near-infrared absorptive compound represented by formula (1) that is dispersed in a form of fine particles in a dispersing medium:wherein R1a and R1b may be the same or different, and each independently represent an alkyl group, an aryl group, or a heteroaryl group; R2 and R3 each independently represent a hydrogen atom or a substituent, and at least one of R2 and R3 is an electron withdrawing group; R2 may be bonded to R3 to form a ring; and R4 represents a hydrogen atom, an alkyl group, an aryl group, a heteroaryl group, a substituted boron, or a metal atom, and R4 may be covalently bonded or coordinately bonded to at least one among R1a, R1b and R3.
Owner:FUJIFILM CORP
Colored composition for color filter and display using color filters formed of the colored composition
InactiveUS20050048224A1Reduce light transmittanceLiquid crystal compositionsOptical filtersDisplay deviceWavelength
An object of the present invention is to obtain color filters having a high contrast, a high color purity and an improved transmittance for blue color, and a display using the color filters. In the present invention, there is used a colored composition for color filter comprising at least one coloring agent, a base polymer and at least one solvent, said base polymer containing a polyamicacid whose light transmittance decreases by 2% or less in the visible region (wavelength: 400 nm to 800 nm).
Owner:PANASONIC LIQUID CRYSTAL DISPLAY CO LTD +1
Novel D-A-D organic near-infrared tumor therapy reagent based on diketopyrrolopyrrole and preparation method thereof
InactiveCN107698608AClear structureTumor-specific targetingOrganic chemistryPhotodynamic therapyWater dispersibleTumor targeting
The invention discloses design synthesis and application performance of a novel D-A-D organic near-infrared tumor therapy reagent based on diketopyrrolopyrrole. The reagent provided by the invention is mainly obtained by Suzuki coupling reaction of 3, 6-bis(thieno[3, 2-c]thiophene)-2, 5-dihydropyrrolo[3, 4-c]pyrrole-1, 4-dione derivative and phenothiazine borate. By means of a reprecipitation method, the reagent can acquire a nano material with absorption wavelength in a near-infrared area, the nano material has high singlet oxygen yield, good photothermal conversion efficiency, excellent water dispersibility and tumor tissue targeting properties, can be applied to tumor cell and living body treatment, can effectively inhibit tumor cell migration while effectively killing tumor cells, thereby achieving the photothermal and photodynamic synergistic treatment effect. Therefore, the reagent can have enormous application prospects in tumor therapy.
Owner:NANJING UNIV OF TECH
Method for the deposition of an organic material
ActiveUS20150123090A1High carrier mobilityRaise the ratioNaphthalimide/phthalimide dyesSolid-state devicesPhysical chemistryMaterials science
The present invention relates to a method for the deposition of at least one layer of an organic material on a substrate by (a) providing a source of a solid organic material in an atmosphere at a pressure comprised between 50 and 200 kPa, (b) heating said organic material to a first temperature to produce a vapor of said organic material, (c) exposing at least one surface of a substrate having a second temperature lower than said first temperature to said vapor to deposit organic material from said vapor onto said at least one surface of said substrate.
Owner:CLAP CO LTD
Color filter, liquid crystal display components and color filter manufacturing method
ActiveCN102879846AImprove reliabilityImprove qualityOptical filtersDiketopyrrolopyrrole dyesArylColor gel
The present invention provides a low-temperature hardening of high reliability of color filter and a manufacturing method thereof, and uses the color filter and provides a liquid crystal display element. Color filter contains 20 shading pattern match to the membrane with protective film 8, in the shading pattern 6 contains dione keto pyrrole and pyrrole zinc pigments, halogenated phthalocyanine pigment, class three aryl methane dye and azo dye any protective film 8 by containing alkali soluble resin, and the type (1) or (2) of the type of radiation linear resin compound the sense of composition and form with the film to 12 is light to the processing of low polarity of the structure of the 12 deserves to go to the film. Use 20 and color filter manufacturing liquid crystal display element 1.
Owner:JSR CORPORATIOON
Display device
InactiveUS20190018273A1Performance deteriorationPerformance deterioration of a transistor due to blue light is prevented or reducedMonoazo dyesDisazo dyesDisplay deviceSemiconductor nanocrystals
A display device includes: a light unit for emitting blue light; a color conversion panel on the light unit; a display panel between the light unit and the color conversion panel, the display panel comprising transistors; and column spacers between the transistors and the color conversion panel, the column spacers overlapping the transistors. The color conversion panel includes: a substrate; color conversion layers between the substrate and the display panel, the color conversion layers comprising semiconductor nanocrystals; a transmission layer between the substrate and the display panel; and polarization layers between the color conversion layers and the display panel and between the transmission layer and the display panel. The column spacers include a pigment that absorbs blue light.
Owner:SAMSUNG DISPLAY CO LTD
High-chroma c.i. pigment red 254 and process for producing the same
ActiveUS20090241802A1High chromaProminent effectOrganic chemistryDiketopyrrolopyrrole dyesOrganic solventProton
Owner:DAINIPPON INK & CHEM INC
Non-Aqueous Pigment Dispersions Using Dispersion Synergists
InactiveUS20090048375A1Quality improvementImprove stabilityInksDiketopyrrolopyrrole dyesPolymer chemistryQuinacridone
Owner:AGFA NV
Heterocyclic compound and organic solar cell comprising the same
ActiveUS20160372680A1Improve flatnessMaximizing polarizationSilicon organic compoundsMethine/polymethine dyesOrganic solar cellPhotochemistry
The present specification relates to a heterocyclic compound and an organic solar cell including the same.
Owner:LG CHEM LTD
Color forming compositions and associated methods
InactiveUS20070269737A1Increase pressurePhotosensitive materialsPhotomechanical apparatusColor imageCarrier system
Compositions and methods for forming color images on a substrate capable of development at desired wavelengths or energy levels are disclosed and described. The color forming composition can include a carrier system and a latent pigment with a pendent group, wherein the latent pigment is colorless or pale in color while the pendent group is attached, and wherein the latent pigment is convertible to a colored pigment upon removal of the pendent group. Alternatively, the latent pigment can have multiple states of conjugation where the latent pigment is colorless or pale in a first conjugation state, and colored in a second conjugation state. The color forming compositions are useful in forming images on a wide variety of substrates, such as optical disks.
Owner:HEWLETT PACKARD DEV CO LP
Dichlorodiketopyrrolopyrrole pigment, coloring material dispersion containing the pigment, and process for production of the coloring material dispersion
InactiveCN102597126AIncrease contrastImprove efficiencyOptical filtersDiketopyrrolopyrrole dyesMicroparticleParticle growth
Disclosed are: a coloring material dispersion which contains coloring material microparticles comprising a dichlorodiketopyrrolopyrrole pigment, enables the production of a color filter having high contrast, and can be reduced in viscosity when used as a raw material for the color filter; and a process for producing the coloring material dispersion. The coloring material dispersion contains a particle growth inhibitor and coloring material microparticles comprising a dichlorodiketopyrrolopyrrole pigment, wherein the coloring material microparticles have an alpha-type crystallinity degree of 0.65 to 0.90 inclusive, a crystallite size of 6.0 to 13.0 nm as determined in the direction of the (-151) crystal face, and a crystallite size of 5.0 to 23.0 nm inclusive as determined in the direction of the (111) crystal face.
Owner:FUJIFILM CORP
Pigment composition with anti-warping property in plastics
The invention discloses a pigment composition with anti-warping property in plastics. The pigment comprises a compound shown in the formula (1), and a derivative in which two meta-positions or two meta-positions and para-position of a benzene ring with DPP structure are substituted with long-chain alkyl, alkoxy or alkyl sulphanyl in the body pigment, thereby improving the anti-warping property of the body pigment in the plastics.
Owner:CINIC CHEM SHANGHAI
Isodiketopyrrolopyrrole dyes and application thereof
ActiveCN105131640AThe synthesis method is simpleRaw materials are cheap and easy to getMethine/polymethine dyesLight-sensitive devicesElectron donorOrganic dye
The invention discloses isodiketopyrrolopyrrole dyes and application thereof. According to the invention, 4,4'-dihexyloxytriphenylamine is used as an electron donor, isodiketopyrrolopyrrole is used as a Pi bridge, cyanoacetic acid is used as an electron acceptor and an anchoring group, and an alkyl chain is introduced on an isodiketopyrrolopyrrole group, so a series of purely organic dyes based on isodiketopyrrolopyrrole are synthesized. The dyes have good light-harvesting performance and large steric hindrance and hardly aggregate when adsorbing on a semiconductor membrane. The purely organic dyes with isodiketopyrrolopyrrole as the Pi bridge of electrons are applied in dye-sensitized solar cells and have good capability in inhibiting electron recombination; and the dye-sensitized solar cells have high photoelectric conversion efficiency.
Owner:SOUTH CHINA UNIV OF TECH
Diketopyrrolo-Pyrrole Compounds
InactiveUS20080308006A1Improve dispersion qualityImprove stabilityOrganic chemistryInksHydrogenEthyl group
A diketopyrrolo-pyrrole compound according to Formula (I):wherein R1, R2, and R3 are independently selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, an tert.-butyl group, a phenyl group, a cyano group, and an acid group; R4—, R5, and R6 are independently selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, an tert.-butyl group, a phenyl group, and a cyano group; and wherein one of R7 and R8 is a group including two acid functions while the other one of R7 and R8 represents hydrogen. Pigment dispersions, methods for forming pigment dispersions, and use of the diketopyrrolo-pyrrole compound may include Formula (I).
Owner:AGFA NV
Alpha-diketopyrrolopyrrole pigment, coloring composition containing the same, and red film
InactiveUS20100009214A1Good refractive indexSmall birefringenceOrganic chemistryWater-repelling agents additionAngle dependenceX-ray
An α-diketopyrrolopyrrole pigment characterized by giving an X-ray diffraction spectrum in which the ratio of the peak density (I020) for plane index (020) to the peak intensity (I−141) for plane index (−141), I020 / I−141 is 0.40 or lower and the ratio of the peak intensity (I−141) for plane index (−141) to the peak intensity (I111) for plane index (111), I−141 / I111 is 1.28 or lower. Also provided are: a coloring composition containing this pigment; and a red film formed with this coloring composition. In a color filter formed with α-diketopyrrolopyrrole pigment, which has that property, the red filter segments have a high contrast ratio and a small absolute value of birefringence. Consequently, a color liquid-crystal display or the like having small viewing-angle dependence and showing excellent display characteristics can be produced.
Owner:TOYO INK SC HOLD CO LTD
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com