1414 results about "Organic light emitting device" patented technology

The invention relates to the technical field of preparation of organic photoelectric materials, in particular to an electron transport material, an OLED with the electron transport material and an organic light-emitting device with the electron transport material. According to the electron transport material disclosed by the invention, triazinyl is taken as a framework, phenyl and cyano-substituted biphenyl is taken as a specific substituent group, methyl, adamantyl, phenyl and pyridyl are limited to be matched, and the electron transport material is used as a material for forming an electron transport layer to manufacture an organic electroluminescent device, so that the evaporation process of the device can be smoothly carried out; and the light-emitting efficiency of the organic light-emitting device is effectively improved, and the application prospect is very good.

A compound of Chemical Formula 1 and an organic light emitting device including the same are provided. The compound is used as a material of an organic material layer of the organic light emitting device, and provides high color purity, high efficiency and enhanced lifetime properties.

The invention relates to the technical field of preparation of organic photoelectric materials, in particular to an organic small molecule compound, an OLED with the compound and an organic light-emitting device with the compound. According to the organic small molecule compound, the dibenzoheterocycle on the triarylamine compound is substituted and matched, and the organic small molecule compound is used as a material for forming a light-emitting auxiliary layer to manufacture an organic EL element, so that the evaporation process of the device can be smoothly carried out, the light-emitting efficiency of the organic light-emitting device is effectively improved, and the organic small molecule compound has a very good application prospect.

Provided are organic compounds comprising as the central structure two 6-membered aromatic rings which are bond to each other via a direct bond, wherein a first ring of the two 6-membered aromatic rings comprises at least one nitrogen atom but not more than three nitrogen atoms. Also provided are formulations comprising these organic compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these organic compounds.

The invention discloses an organic compound, and an organic light emitting diode and an organic light emitting device comprising the same. For example, the organic compound is represented by the following chemical formula. The organic light-emitting diode and the organic light-emitting device each contain the organic compound. # imgabs0 #

The invention relates to the technical field of preparation of organic photoelectric materials, in particular to an organic light-emitting device and a display or lighting device comprising the organic light-emitting device. A hole transport layer compound of the device is obtained by taking a phenyl and alkyl fixed substituted fluorenyl structure as a core fragment and taking a benzo five-membered ring and a limited substituted benzene ring as two side chains of amido, and is matched with a limiting material of a light-emitting auxiliary layer to manufacture an OLED (Organic Light Emitting Diode) element; the light-emitting efficiency and the working life of the organic light-emitting device are effectively improved, and the application prospect is very good.

An organic light emitting device that includes a substrate; and an organic light emitting diode including a first electrode, an organic emitting layer and a second electrode, wherein the organic emitting layer includes at least three emitting material layers, and at least one of the three emitting material layers includes a deuterated compound.

A compound of Formula 1 and an organic light emitting device including the same, and the compound providing low driving voltage, high light emitting efficiency, and a long service life of the organic light emitting device.

The present invention relates to an organic light-emitting device employing, as a host of a light emission layer, an anthracene derivative compound having a characteristic structure by introduction of a benzofuran structure into the anthracene backbone, and as a dopant of the light emission layer, a polycyclic compound having a characteristic structure. The organic light-emitting device according to the present invention is an organic light-emitting device with significantly improved external quantum efficiency and can be advantageously utilized not only for lighting devices but also for various display devices, such as flat, flexible, and wearable displays.

An organometallic complex is represented by general formula (1).M is Pd or Pt. B-A-B is a tetradentate ligand formed by bonding a ring A to rings B. The ring A is a hydrocarbon aromatic ring or heteroaromatic ring that may have a substituent, and is selected from a benzene ring, etc. The substituent that the ring A may have is selected from a linear or branched C1 to C6 alkyl group, etc. Each of the rings B is a monocyclic heteroaromatic ring that may have a substituent, and is selected from a pyridine ring, etc. The substituent that the ring B may have is selected from a linear or branched C1 to C6 alkyl group, etc. Each X-Y is a bidentate ligand, and atoms bonded to M are selected from C, N, and O atoms. The two bidentate ligands do not bond together.

Provided are organometallic compounds comprising a ligand containing triptycene moieties. Also provided are formulations comprising these organometallic compounds. Further provided are organic light emitting devices (OLEDs) as well as related consumer products that utilize these organometallic compounds.

The invention relates to a novel organic electroluminescent material, which ingeniously combines deuterated modification and alkyl substitution through the elaborate design of the molecular structure, and realizes the synergistic improvement of various excellent properties. By introducing deuterium, the chemical stability and thermal stability of the material and a doped material are improved, the luminous efficiency and stability of a device are further greatly improved, and energy loss caused by vibration relaxation can be reduced by performing deuteration on phenyl on a 9, 9-diphenylfluorene unit, so that the efficiency of the device is improved. Alkyl substitution can optimize the energy level structure of the material and promote carrier injection and transmission, thereby improving the current efficiency of the device.

A heterocyclic compound represented by Formula 1:wherein Ar1 and Ar2 are each independently a group represented by Formula 2, a substituted or unsubstituted C6-C60 aryl group, a substituted or unsubstituted C1-C60 heteroaryl group, a substituted or unsubstituted C2-C60 alkyl heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, or a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group; ring CY1 to ring CY7 are each independently a C5-C30 carbocyclic group or a C1-C30 heterocyclic group; Cz1 is a group represented by Formula 3; and descriptions of the remaining substituents are as provided herein.

An organometallic compound represented by Formula 1, an organic light-emitting device including the organometallic compound, and an electronic apparatus including the organic light-emitting device:M(L1)n1(L2)n2  Formula 1wherein, in Formula 1,M is a transition metal,L1 is a ligand represented by Formula 2-1,L2 is a ligand represented by Formula 2-2,n1 and n2 are each independently 1 or 2, with the proviso that when n1 is 2, the L1 ligands are identical to or different from each other, and when n2 is 2, the L2 ligands are identical to or different from each other, andL1 is different from L2.

The present application provides a heterocyclic compound, and an organic light-emitting device and a composition for an organic layer in which the heterocyclic compound is contained in an organic layer.

The invention relates to an organic compound, a mixture, an organic light-emitting device and a display panel, and the structural general formula of the organic compound is as shown in the formula (1). The compound can be used as a light-emitting auxiliary material to be applied to an organic light-emitting device for improving the light-emitting efficiency of the device and prolonging the service life of the device, and meanwhile, the device can keep relatively low driving voltage.

A compound having a structure of Formula I,is provided. In Formula I, Z1 to Z16 are each CR or N; three consecutive ones of Z1 to Z16 within the same ring cannot be N; each R is independently a hydrogen or a substituent selected from a variety of substituents; at least one R includes and electron donor substituent; at least one R includes an electron acceptor substituent; and any two Rs on the same ring can be joined or fused together to form a ring. Organic light emitting devices, consumer products, formulations, and chemical structures containing the compounds are also disclosed.

Provided is a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device and a composition for an organic material layer, including the same. The heterocyclic compound can be used as a material for the organic material layer of the organic light emitting device. The compound may serve as a hole injection material, a hole transport material, a light emitting material, an electron transport material, an electron injection material, and the like in an organic light emitting device. In particular, the compound can be used as a material for a light emitting layer of an organic light emitting device.

The present disclosure relates to an organic compound having the following structure of Formula 1, an organic light emitting diode (OLED) where an electron transport layer and / or a charge generation layer includes the organic compound and an organic light emitting device including the organic light emitting diode. While only the specific moiety in the organic compound is deuterated, the organic compound can implement excellent luminous efficiency and luminous lifespan as a compound where all the carbon atoms are deuterated. The OLED can maximize its luminous efficiency and luminous lifespan with minimizing utilization of expensive deuterium.

The invention discloses a covering layer, a film layer structure and an organic light-emitting device, and relates to the technical field of organic light-emitting materials, the covering layer comprises a compound shown as a formula I and / or a formula II: # imgabs0 # imgabs1 #, wherein Ar1 and Ar2 are the same or different and are independently selected from substituted or unsubstituted C6-C24 aryl groups and substituted or unsubstituted C3-C24 heteroaryl groups; the Ak1 and the Ak2 are the same or different; the alkyl groups are independently selected from the group consisting of substituted or unsubstituted C1-C30 alkyl groups, substituted or unsubstituted C1-C30 heteroalkyl groups, substituted or unsubstituted C3-C30 cycloalkyl groups, substituted or unsubstituted C2-C30 heterocycloalkyl groups, substituted or unsubstituted C3-C30 cycloalkyl carbonyl groups, substituted or unsubstituted C1-C30 alkylamino groups, substituted or unsubstituted C1-C30 heteroalkylamino groups, and substituted or unsubstituted C3-C30 cycloalkyl amino groups; and a substituted or unsubstituted C2-C30 heterocyclic alkyl amino group. The compound shown in the formula I and / or the formula II can reduce the refractive index of the covering layer, improve the stripping adhesive force between the covering layer and the cathode and improve the glass transition temperature of the covering layer.

The present disclosure relates to an organic light emitting diode including a first electrode; a second electrode facing the first electrode; a first emitting part positioned between the first and second electrodes and including a first emitting material layer, a hole injection layer between the first electrode and the first emitting material layer and a first hole transporting layer between the hole injection layer and the first emitting material layer, wherein the hole injection layer includes a hole injection material, and the first hole transporting layer includes at least one of a first hole transporting material and a second hole transporting material, and wherein the first hole transporting material and the second hole transporting material are fluorene derivatives having different structures.

Provided are an organic light-emitting device and an apparatus including the same. The organic light-emitting device includes a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode. The organic layer includes an emission layer, a first region between the first electrode and the emission layer, a second region between the emission layer and the second electrode, and an auxiliary layer between the first region and the emission layer, and the emission layer includes a first compound, a second compound, a third compound, and a fourth compound. The organic light-emitting device exhibits a low driving voltage and a long lifespan.

An organic light emitting diode and an organic light emitting device including the same are discussed. The organic light emitting diode can include a first compound represented by a following formula, a second compound as a p-type host, and a third compound as an n-type host in an emitting material layer. As a result, the organic light emitting diode and the organic light emitting device have advantages in the driving voltage, the luminous efficiency and the lifespan.

An organic light emitting device having improved driving voltage, efficiency and lifetime, the device comprising a light emitting layer including one or more compounds of Chemical Formula 1, one or more compounds of Chemical Formula 2, and one or more compounds of Chemical Formula 3:wherein: X′1 is N and X′2 is O, or X′1 is O, and X′2 is N; X″ is O or S; one of R′1 to R′7 is linked with Chemical Formula 2A:one of R″1 to R″10 is linked with Chemical formula 3A, and the rest are hydrogen or deuterium:Ar1, Ar2, Ar′1, Ar′2, Ar″1, Ar″2 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing one or more of N, O and S; and the other substituents are as defined in the specification.

A compound having a ligand LA of Formula I,is disclosed. In Formula I, ring B is a 5-membered or 6-membered ring; K is a direct bond, O, or S; X is O, S, Se, NR, CRR′, SiRR′, or GeRR′; R1 and R2 are each independently selected from a variety of substituents; each R, R′, RA, and RB is independently hydrogen or a substituent; LA is coordinated to a metal M selected from Os, Ir, Pd, Pt, Cu, Ag, or Au by the dashed lines; any two adjacent of R1, R2, R, R′, RA, or RB can be joined or fused to form a ring, with the proviso that when ring B is a 6-membered ring, two RB substituents are not joined to form a fused 6-membered aromatic ring. Organic light emitting devices, consumer products, formulations, and chemical structures containing the compounds are also disclosed.

The present application relates to an electronic device comprising a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode comprising a hole transport region comprising at least two hole- transporting layers. The present application also relates to an OLED material.

The invention relates to an organic compound, an organic light-emitting device and a display panel. The organic compound has a structural formula as shown in a formula (1): # imgabs0 #. The organic compound provided by the invention contains tetrahydrocyclobutane dipyrroletetraone, so that the organic compound has an excellent tetrahydrocyclobutane dipyrroletetraone structure with a non-conjugated plane connection design; the organic compound provided by the invention has a relatively high first singlet excited state energy level and a relatively high glass transition temperature; the reasonable introduction of the trifluoromethyl group can make the material have a low refractive index; in addition, when a film layer formed by the organic compound is combined with a high-refractive-index film layer to form a covering layer and the covering layer is applied to the organic light-emitting device, the light-emitting efficiency and the color purity of the device can be remarkably improved, and the problem of visual deviation can be solved.

An organic light emitting diode and an organic light emitting device including the same are discussed. The organic light emitting diode can include a first electrode, a second electrode facing the first electrode, and a first emitting part including a green emitting material layer and positioned between the first and second electrodes. The green emitting material layer can include a first host, a second host and a dopant, wherein at least one of the first host and the second host is deuterated.

The present specification relates to a heterocyclic compound of Chemical Formula 1, an organic light emitting device including the same and a composition for forming an organic material layer.

A deuterated composition, a preparation method therefor, a light-emitting layer, and an organic light-emitting device, relating to the field of organic light-emitting materials. The deuterated composition comprises different deuterated compounds of a compound represented by formula I, wherein in formula I, Ar1 is selected from phenyl or naphthyl. For the different deuterated compounds of the same compound, the average deuteration rate of deuterium-exchangeable hydrogen atoms on Ar1 and anthryl is greater than 98%, and the average deuteration rate of deuterium-exchangeable hydrogen atoms on phenanthryl is 96%-98%. When the deuterated composition is used as a light-emitting material of organic light-emitting devices, the service lifetime of the devices is significantly prolonged.