Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap 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.
213 results about "Triplet exciton" 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
Organic electroluminescent device
ActiveUS20120205642A1Excellent triplet exciton confining capabilityStable thin-film stateOrganic chemistrySolid-state devicesElectron holeCarbazole
A high-efficiency, high-durability organic electroluminescent device, particularly a phosphorescent organic electroluminescent device is provided by using an organic compound of excellent characteristics that exhibits excellent hole-injecting / transporting performance and has high triplet exciton confining capability with an electron blocking ability, and that has high stability in the thin-film state and high luminous efficiency.The organic electroluminescent device includes a pair of electrodes, and a plurality of organic layers sandwiched between the pair of electrodes and including a phosphorescent light-emitting material-containing light emitting layer and a hole transport layer, wherein a compound of the following general formula (1) having a carbazole ring structure is used as a constituent material of the hole transport layer.
Owner:HODOGAYA KAGAKU IND
Light Emitting Element, Light Emitting Device, and Electronic Device
ActiveUS20100052527A1Solve low luminous efficiencyImprove balanceDischarge tube luminescnet screensLamp detailsWavelengthLength wave
An object is to improve luminous efficiency of a light emitting element using triplet exciton energy effectively. Another object is to reduce power consumption of a light emitting element, a light emitting device, and an electronic device. Triplet exciton energy generated in a light emitting layer which exhibits short wavelength fluorescence can be effectively utilized by use of a structure in which the light emitting layers which exhibit short wavelength fluorescence are sandwiched between light emitting layers each including a phosphorescent compound. Further, the emission balance can be improved between the light emitting layer including a phosphorescent compound and the light emitting layer which exhibits fluorescence by the devising of the structure of the light emitting layer which exhibits fluorescence.
Owner:SEMICON ENERGY LAB CO LTD
Organic electroluminescence element
InactiveUS6660410B2Discharge tube luminescnet screensElectroluminescent light sourcesDopantVitrification
An organic electroluminescence element comprising: an anode layer, a cathode layer, and an organic luminescence layer therebetween, the organic luminescence layer having a carbazole derivative with a glass-transition temperature of 110° C. or higher, and a phosphorescent dopant. This structure makes it possible to provide an organic electroluminescence element which can make use of the triplet exciton state of the carbazole derivative even at room temperature and which has a practical life and superior heat-resistance.
Owner:IDEMITSU KOSAN CO LTD
Use of metalnanoshells to impede the photo-oxidation of conjugated polymer
InactiveUS6852252B2Impede photo-oxidation processReduce degradationMaterial nanotechnologyDiffusing elementsPhoto-oxidation of polymersVolumetric Mass Density
The present invention relates to incorporating metal nanoshells specifically designed to interact with triplet excitons in polymers. By interacting with triplet excitons, the rate of photo-oxidation can be slowed and the density of luminescence-quenching traps can be reduced.
Owner:RICE UNIV
Light emitting element, light emitting device, and electronic device
ActiveUS8274214B2Improve balanceEfficient use ofDischarge tube luminescnet screensLamp detailsWavelengthLength wave
An object is to improve luminous efficiency of a light emitting element using triplet exciton energy effectively. Another object is to reduce power consumption of a light emitting element, a light emitting device, and an electronic device. Triplet exciton energy generated in a light emitting layer which exhibits short wavelength fluorescence can be effectively utilized by use of a structure in which the light emitting layers which exhibit short wavelength fluorescence are sandwiched between light emitting layers each including a phosphorescent compound. Further, the emission balance can be improved between the light emitting layer including a phosphorescent compound and the light emitting layer which exhibits fluorescence by the devising of the structure of the light emitting layer which exhibits fluorescence.
Owner:SEMICON ENERGY LAB CO LTD
Photoactive device with organic layers
The invention relates to a photoactive device with organic layers, especially a solar cell, with a layer arrangement having an electrode and a counterelectrode as well as a sequence of organic layers arranged between the electrode and the counterelectrode, wherein two layers bordering on one another are formed in a photoactive region encompassed by the sequence of organic layers, namely, an exciton-harvesting layer (EHL) and an exciton-separating layer (ESL); in which the exciton-harvesting layer (EHL) is a mixed layer containing an organic material (A) and at least one further organic material (B), in which (i) a lowest singlet excitation state for excitons (S1A) of the organic material (A) is energetically higher than a lowest singlet excitation state for excitons (S1B) of the further organic material (B), (ii) the further organic material (B) is chosen such that it transforms singlet excitons into triplet excitons with a quantum yield of at least approximately 20%, preferably of at least approximately 50% by an ISC mechanism (ISC—Inter-System-Crossing), and (iii) a lowest triplet excitation state for excitons (T1B) of the further organic material (B) is energetically higher than a lowest triplet excitation state for excitons (T1A) of the organic material (A); and wherein a donor-acceptor heterojunction is formed between the exciton-harvesting layer (EHL) and the exciton-separating layer (ESL) converting triplet excitons of the organic material (A) into free charge carrier pairs in the vicinity of the interface.
Owner:HELIATEK GMBH +1
White organic light emitting device
ActiveCN102034934AImprove efficiencyExtend your lifeElectroluminescent light sourcesSolid-state devicesElectronic transmissionHole transport layer
Provided is a white organic light emitting device. The white organic light emitting device having a sack structure of blue fluorescence and red / green phosphorescence is disclosed, wherein efficiency of the blue fluorescence is improved to increase the lifespan of the white organic light emitting device, color quality is improved, and power consumption is reduced. The white organic light emitting device comprises an anode and a cathode facing each other on a substrate; a charge generation layer formed between the anode and the cathode; a first stack formed between the anode and the charge generation layer in a stack structure of a first hole transport layer, a first light emitting layer emitting blue, a first electron transport layer and an electron transport catalyst layer doped with metal; and a second stack formed between the charge generation layer and the cathode in a stack structure of a second hole transport layer, a second light emitting layer and a second electron transport layer. The second light emitting layer is doped with phosphor red and green dopants in one host, and the second hole transport layer has an energy level higher than a triplet exciton energy level of thesecond light emitting layer.
Owner:LG DISPLAY CO LTD
Organic electroluminescent device
ActiveUS20060222887A1High luminanceImprove efficiencyDischarge tube luminescnet screensElectroluminescent light sourcesSimple Organic CompoundsOrganic electroluminescence
The invention provides an organic electroluminecent device including an organic compound layer provided between a pair of electrodes. The organic compound layer has at least a luminescent layer. The luminescent layer has at least a metal complex containing a tri- or higher-dentate ligand and plumality of host compounds. The metal complex is preferably a metal complex capable of obtaining light emission from a triplet exciton. The ligand of the metal complex is preferably chained or cyclic. Further, an ionization potential of the metal complex is preferably larger than a minimum value out of ionization potentials of the plurality of host compounds.
Owner:UDC IRELAND
White Organic Light Emitting Device
ActiveUS20120097998A1Minimize diffusionHigh color temperatureSolid-state devicesSemiconductor/solid-state device manufacturingOrganic light emitting deviceHigh color
A white organic light emitting device which has high color temperature characteristics and no change in color coordinates according to luminance change, includes a first electrode and a second electrode opposite to each other on a substrate, a charge generation layer formed between the first electrode and the second electrode, a second stack including a second light emitting layer formed between the charge generation layer and the second electrode, and a first stack including a first light emitting layer formed between the first electrode and the charge generation layer, wherein the first emitting layer has low singlet-triplet exchange energy to change triplet excitons into a singlet state by triplet-triplet annihilation and a dopant concentration of the first light emitting layer is adjusted according to a luminance change curve of the second stack.
Owner:LG DISPLAY CO LTD
Hybrid white organic light emitttng device and method of manufacturing the same
InactiveUS20100187552A1High-efficiency light-emittingHigh-efficiency fluorescent light emissionElectroluminescent light sourcesSolid-state devicesTriboluminescenceHole transport layer
Provided are a hybrid white organic light emitting diode (OLED) and a method of fabricating the same. A HOMO level difference between a fluorescent emission layer and an electron transport layer in an organic emission layer (OLED) becomes higher than that between the other layers or a LUMO level difference between a fluorescent emission layer and a hole transport layer is higher than that between the other layers, so that a recombination region is restricted to a part of an emission layer to obtain high-efficiency fluorescent light emission. In addition, triplet excitons that are not used in a fluorescent emission layer are transferred to an auxiliary emission layer formed to be spaced apart from a recombination region by a predetermined distance to emit light in a different color from the fluorescent emission layer, so that both singlet and triplet excitons formed in the OLED are used to obtain high-efficiency white light emission.
Owner:ELECTRONICS & TELECOMM RES INST
Quantum dot electroluminescent device
ActiveCN106997927AImprove current efficiencyImprove utilization efficiencySolid-state devicesSemiconductor/solid-state device manufacturingEnergy transferPower flow
The invention discloses a quantum dot electroluminescent device, which comprises a light emitting layer. The light emitting layer comprises a quantum dot material and a thermally-activated delayed fluorescence (TADF) material; and after the luminescent spectrum of the thermally-activated delayed fluorescence material and the absorption spectrum of the quantum dot material are subjected to normalization, the difference of wavelengths corresponding to wave crests is within 50 nm. The TADF material in the light emitting layer of the quantum dot electroluminescent device can effectively convert triplet excitons to singlet excitons, the singlet excitons are then transmitted to quantum dots through Forster fluorescence resonance energy transfer, the quantum dots are excited to emit light, and the current efficiency of the quantum dot electroluminescent device is thus improved.
Owner:KUNSHAN NEW FLAT PANEL DISPLAY TECH CENT +1
Phosphorescent iridium complex and organic electroluminescent device thereof
InactiveCN101200635AHigh synthetic yieldEasy to purifyElectrical apparatusElectroluminescent light sourcesIridiumSolubility
Owner:SUN YAT SEN UNIV
Organic electroluminescent device
ActiveUS20120273767A1Excellent triplet exciton confining capabilityStable thin-film stateElectroluminescent light sourcesSolid-state devicesSimple Organic CompoundsOrganic electroluminescence
A high-efficiency, high-durability organic electroluminescent device, particularly a phosphorescent organic electroluminescent device is provided by using an organic compound of excellent characteristics that exhibits excellent hole-injecting / transporting performance and has high triplet exciton confining capability with an electron blocking ability, and that has high stability in the thin-film state and high luminous efficiency.The organic electroluminescent device includes a pair of electrodes, and a plurality of organic layers sandwiched between the pair of electrodes and including a light emitting layer and an electron blocking layer, wherein a compound of the following general formula (1) having a carbazole ring structure is used as a constituent material of the electron blocking layer and the light emitting layer.
Owner:HODOGOYA CHEMICAL CO LTD
Effective organic solar cells based on triplet materials
InactiveUS20090084436A1Material nanotechnologyFinal product manufactureOrganic solar cellTriplet state
A photovoltaic device has a first electrode, a second electrode spaced apart from the first electrode, and a layer of light responsive material disposed between the first electrode and the second electrode. The layer of light responsive material includes a material that has a triplet exciton state which can be excited by incident electromagnetic radiation to provide collectable free charged particles at one of the first and second electrodes.
Owner:RGT UNIV OF CALIFORNIA
M-carbazolylphenyl compounds
InactiveUS20090045726A1Highly efficient and highly luminousImprove the level ofOrganic chemistryDischarge tube luminescnet screensAromatic hydrocarbonPhotochemistry
An object of the present invention is to provide a host compound in an emission layer, which has a high excited triplet level and completely confines triplet excitons of an phosphorescence-emitting substance. The invention relates to a compound containing an m-carbazolylphenyl group, which is represented by the following general formula (1):wherein A represents a nitrogen atom, an amino group to which a substituted or unsubstituted aromatic hydrocarbon group is bonded, a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted condensed polycyclic aromatic group; n represents an integer of 2 to 4; R1 and R2 may be the same or different and represent each an arbitrary substituent; and m and o represent each an integer of 0 to 4.
Owner:HODOGOYA CHEMICAL CO LTD
Hybrid white light organic electroluminescence device
InactiveCN105591035ASimple structureImprove efficiencySolid-state devicesSemiconductor/solid-state device manufacturingTriplet stateOrganic electroluminescence
A hybrid white light organic electroluminescence device comprises a base plate, an anode, a cathode and an organic functional layer, wherein the organic functional layer is arranged between the anode and the cathode and provided with at least one blue fluorescent layer, at least one phosphorescence light emitting layer which forms a complementary color of the blue light, and at least one charge generation layer; the device also comprises at least one group of a spacer structure wherein the blue fluorescent layer and the phosphorescence light emitting layer are spaced by a charge generation layer; the triplet state energy level of at least one of the blue fluorescent layers is higher than the triplet state energy level of at least one of the phosphorescence light emitting layers. According to the hybrid white light organic electroluminescence device, the triplet state energy level of the blue fluorescent layers is higher than the triplet state energy level of the phosphorescence light emitting layers; singlet excitons and triplet excitons of the device can be effectively used; and the charge generation layer spacing design is adopted so that the hybrid white light organic electroluminescence device has advantages such as high efficiency, long service life, and good stability.
Owner:GUANG ZHOU NEW VISION OPTO ELECTRONICS TECH
Organic electroluminescent device
ActiveUS20060083944A1Solve low luminous efficiencyIncreased durabilityDischarge tube luminescnet screensElectroluminescent light sourcesElectron injectionOrganic layer
An organic electroluminescent device comprising: a pair of electrodes; and at least one organic layer between the pair of electrodes, the at least one organic layer between the pair of electrodes, the at least one organic layer including a luminescent layer, wherein the luminescent layer contains at least one electron injection / transport compound, at least one hole injection / transport compound, and at least one green or blue phosphorescent compound; and the electron injection / transport compound and the hole injection / transport compound each has a minimum triplet exciton energy value which is equal to or more than that of the green or blue phosphorescent compound.
Owner:UDC IRELAND
Compound having carbazole ring structure, and organic electroluminescent device
InactiveUS20130112950A1Excellent triplet exciton confining capabilityStable thin-film stateOrganic chemistrySolid-state devicesCarbazoleOrganic layer
There is provided an organic compound of excellent characteristics that exhibits excellent hole-injecting / transporting performance and has high triplet exciton confining capability with an electron blocking ability, and that has high stability in the thin-film state and high luminous efficiency. The compound is used to provide a high-efficiency, high-durability organic electroluminescent device, particularly a phosphorescent organic electroluminescent device. The present invention is a compound of the following general formula having a carbazole ring structure. The compound is used as a constituent material of at least one organic layer in an organic electroluminescent device that includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes.
Owner:HODOGOYA CHEMICAL CO LTD
Compound having triphenylsilyl group and triarylamine structure, and organic electroluminescent device
ActiveUS20110220881A1Solve low luminous efficiencyReduce the driving voltageSilicon organic compoundsSolid-state devicesArylSilylene
The invention provides a light emitting layer host compound and an electron-blocking compound that have high excited triplet levels, and can completely confine the triplet excitons of phosphorescent material, for use as the material of a high-efficient organic electroluminescent device. The invention also provides a high-efficient, high-luminance organic electroluminescent device with the use of the compounds.The compound of the general formula (1) below has a triphenylsilyl group and a triarylamine structure, and the organic electroluminescent device includes a pair of electrodes and at least one organic layer interposed between the pair of electrodes, wherein the compound of the general formula (1) having a triphenylsilyl group and a triarylamine structure is used as constituent material of the at least one organic layer.
Owner:HODOGOYA CHEMICAL CO LTD +1
Compositions and methods for the downconversion of light
The present invention generally relates to composition and methods for downconverting light. In some embodiments, the composition and methods comprise an organic material, a nanocrystal, and a ligand capable of facilitating energy transfer between the organic material and the nanocrystal. In certain embodiments, the nanocrystal has a first excited energy state with an energy less than a triplet energy state of the organic material. The organic material, in some embodiments, may be aromatic and / or include one or more pi-conjugated carbon-carbon double bonds. In some cases, incident light may be absorbed by the organic material to produce two triplet excitons. The triplet excitons may then transfer to the nanocrystal via the ligand, where they can undergo recombination, resulting in the formation low energy photons.
Owner:MASSACHUSETTS INST OF TECH
Composite film and organic light-emitting diode and manufacturing methods thereof
InactiveCN107452886ASolid-state devicesSemiconductor/solid-state device manufacturingComposite filmHole transport layer
The invention provides a composite film and an organic light-emitting diode which is based on the composite film. The composite film has double excitor blocking capability, and is composed of an all-inorganic colloidal perovskite and an organic current carrier transmission micromolecule material, wherein the all-inorganic colloidal perovskite film and the organic micromolecule material can be prepared through spin-coating, vapor deposition, ink jet printing, Knife Coating, chemical vapor deposition method and the like methods. The composite film can better block singlet excitons and triplet excitons. The composite film serves as a hole transport layer in an organic light-emitting diode, has excellent photoelectric properties, and has higher electroluminescence efficiency than devices which have traditional organic micromolecules as the hole transport layer.
Owner:SOUTHWEST UNIVERSITY
Single white light polymer and organic light-emitting material, and organic light-emitting device and preparation method of organic light-emitting device
ActiveCN107118334AImprove efficiencyGood optical performanceSolid-state devicesSemiconductor/solid-state device manufacturingFluorescenceOrganic light emitting device
The invention relates to the field of photoelectric technological materials, and specifically relates to a single white light polymer and an organic light-emitting material, and an organic light-emitting device and a preparation method of the organic light-emitting device. The single white light polymer is capable of emitting blue and orange thermal activation delayed fluorescence at the same time. The organic light-emitting material is capable of realizing the situation of upwards converting triplet excitons into singlet excitons, triplet exciton quenching caused by concentration in an emission layer is reduced.
Owner:YANCHENG INST OF TECH
Phosphorescent light-emitting component comprising organic layers
InactiveCN1663060ASolid-state devicesSemiconductor/solid-state device manufacturingHeterojunctionDopant
The invention relates to a light emitting component with organic layers and emission of triplet exciton states (phosphorescent light) with increased efficiency, having a layer sequence with a hole injecting contact (anode), one or more hole injecting and transporting layers, a system of layers in the light emission zone, one or more electron transport and injection layers and an electron injecting contact (cathode), characterized in that the light emitting zone comprises a series of heterojunctions with the materials A and B (ABAB . . . ) that form interfaces of the type 'staggered type II', one material (A), having hole transporting or bipolar transport properties and the other material (B) having electron transporting or bi-polar transport properties, and at least one of the two materials A or B being mixed with a triplet emitter dopant that is able to efficiently convert its triplet exciton energy into light.
Owner:NOVALED GMBH
Organic compound and organic photoelectric element containing organic compound
ActiveCN113501810AImprove differenceImprove luminous efficiencySilicon organic compoundsOrganic chemistry methodsSimple Organic CompoundsFluorescence
The invention belongs to the field of organic photoelectricity, and particularly relates to an organic compound and an organic photoelectric element containing the organic compound, in particular to an organic light-emitting diode. The structure of the organic compounds is shown in the formula (I). The organic compound group shown in the formula (I) has a remarkable characteristic that the difference value between the singlet state energy level S1 and the triplet state energy level T1 of the organic compounds is smaller than or equal to 0.35 electron volt. Detailed description information and the organic photoelectric element thereof can be understood by referring to the specific description provided by the invention. The organic compound provided by the invention has the characteristic of thermal activation delayed fluorescence, can improve the utilization efficiency of triplet excitons when being applied to an organic electroluminescent diode, and particularly can improve the current efficiency, reduce the driving voltage and obviously prolong the service life of a light-emitting element when being used as a functional layer of the light-emitting element, and good commercialization prospects are realized.
Owner:ZHEJIANG HUADISPLAY OPTOELECTRONICS CO LTD
Method and Apparatus for Light Absorption and Charged Carrier Transport
Embodiments of the invention pertain to the use of alloyed semiconductor nanocrystals for use in solar cells. The use of alloyed semiconductor nanocrystals offers materials that have a flexible stoichiometry. The alloyed semiconductor may be a ternary semiconductor alloy, such as AxB1-xC or AB1-yCy, or a quaternary semiconductor alloy, such as AxByC1-x-yD, AxB1-xCyD1-y or ABxCyD1-x-y (where A, B, C, and D are different elements). In general, alloys with more than four elements can be used as well, although it can be much harder to control the synthesis and quality of such materials. Embodiments of the invention pertain to solar cells having a layer incorporating two or more organic materials such that percolated paths for one or both molecular species are created. Specific embodiments of the invention pertain to a method for fabricating nanostructured bulk heterojunction that facilitates both efficient exciton diffusion and charge transport. Embodiments of the subject invention pertain to a solar cell having an architecture that allows for efficient harvesting of solar energy. The organic solar cell architecture can incorporate a host / guest (or matrix / dopant) material system that utilizes the long diffusion lengths for triplet excitons without compromising light absorption efficiency.
Owner:UNIV OF FLORIDA RES FOUNDATION INC
Organic light emitting display device
ActiveUS20160104854A1Low working voltageImprove emission efficiencySolid-state devicesSemiconductor/solid-state device manufacturingDisplay deviceElectron mobility
An organic light emitting display device is discussed. The organic light emitting display device in one embodiment includes at least one light emitting layer between an anode and a cathode, and an electron transport layer between the at least one light emitting layer and the cathode. The electron transport layer may include a first electron transport material for blocking holes from the light emitting layer to the electron transport layer, and a second electron transport material for assisting in a transfer of electrons to the light emitting layer, wherein the first electron transport material and the second electron transport material have different triplet exciton energy levels and different electron mobilities.
Owner:LG DISPLAY CO LTD
Luminescent material with thermotropic delayed fluorescence, application of luminescent material and electroluminescent device
InactiveCN108203403AAdjustable light colorReduced efficiency roll-offOrganic chemistrySolid-state devicesElectricityFluorescence
The invention belongs to the fields of preparation and application sciences of organic photoelectric materials and specifically relates to a luminescent material with thermotropic delayed fluorescence, an application of the luminescent material and an electroluminescent device. The luminescent material with thermotropic delayed fluorescence, provided by the invention takes a carbazole derivative as a donor group, and a relatively small tripletenergy gap is achieved by molecular distortion, so that the reverse intersystem crossing from triplet excisions to singlet excisions is realized, and theutilization ratio of the excisions and the efficiency of the device are increased. By taking the luminescent material with thermotropic delayed fluorescence, provided by the invention, as a main luminescent material, the efficiency roll-off of the device can be reduced; and serving as an object luminescent material, the luminescent material with thermotropic delayed fluorescence is high in luminescent layer brightness, good in stability, high in luminescent efficiency and long in service life. If the luminescent material with thermotropic delayed fluorescence is used as an organic luminescentmedium, the device is reduced in efficiency roll-off, high in luminescent efficiency and long in service life.
Owner:WUHAN SUNSHINE OPTOELECTRONICS TECH CO LTD
Organic light-emitting device
ActiveCN106920883APrevent proliferationBlu-ray components are not easy to appearSolid-state devicesSemiconductor/solid-state device manufacturingGreen-lightBlocking layer
Owner:KUNSHAN NEW FLAT PANEL DISPLAY TECH CENT
Compound having triazole ring structure to which pyridyl group is bonded, and organic electroluminescent device
InactiveUS20110272679A1Improve efficiencyReduce the driving voltageOrganic chemistrySolid-state devicesOrganic layerCompound (substance)
A host compound for a light emitting layer, which is excellent in electron transporting capability and hole blocking capability, has a high triplet excitation level and is capable of completely confining triplet excitons of a phosphorescent material, is provided as a material for an organic electroluminescent device having a high efficiency, and an organic electroluminescent device having a high efficiency and a high luminance is provided by using this compound.The compound having a triazole ring structure to which a pyridyl group substituted with a carbazolyl group is bonded, is represented by the following general formula (1), and the organic electroluminescent device containing a pair of electrodes and at least one organic layer sandwitched therebetween is characterized in that the compound, which is represented by the following general formula (1) and has a triazole ring structure to which a pyridyl group substituted with a carbazolyl group is bonded, is used as a constitutional material of at least one organic layer in the organic electroluminescent device.
Owner:HODOGOYA CHEMICAL CO LTD +1
Compound, display panel and display device
ActiveCN110078755AImprove stabilityExtend your lifeSilicon organic compoundsSolid-state devicesAcenaphthyleneBenzanthracenes
The invention provides a compound, a display panel and a display device. The compound has the structure shown in formula (I), L represents substituted or unsubstituted phenyl, naphthyl, pyridyl, pyrimidinyl and pyrazinyl; D is an electron-donating group and independently selected from any one of substituted or unsubstituted phenyl, biphenyl, naphthyl, anthryl, phenanthryl, acenaphthylene, pyrenyl,peryl, flurenyl, spiro bifluorenyl, benzophenanthryl, benzanthracene, fluoranthryl, picene, furyl, benzofuryl, dibenzofuryl, thienyl, benzothienyl, dibenzothienyl, phenoxazine, thianthryl, carbazolyl, acridinyl and diarylamino. The designed compound has a TADF characteristic and can emit light by triplet exciton of traditional fluorescence molecular transition inhibition so as to improve the device efficiency.
Owner:WUHAN TIANMA MICRO ELECTRONICS CO LTD
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap 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