433results about "Indium organic compounds" patented technology

The present disclosure provides for an organic electroluminescent device (OLED) including an anode; a cathode; and an emissive layer, disposed between the anode and the cathode. The emissive layer includes a phosphorescent dopant, a first host, and a second host, wherein the first host transports holes, the second host transports electrons, and the first host is fully or partially deuterated. Consumer products that include the OLED are also provided.

The invention relates to organic electroluminescent materials and devices. There is provided a compound having the formula Ir (LA) x (LB) y (LC) z wherein x and y are each independently 1 or 2, z is 0 or 1, and x + y + z = 3; the first ligand LA comprises a structure as shown in a formula I; lB comprises a structure of formula II; and LC is a bidentate ligand. In these structures, each of the moieties A, C and D is a monocyclic or polycyclic fused ring system; each of X1-X7 and Z1-Z4 is C or N; y1 is a linking group; z is Si or Ge; and each substituent is hydrogen or a universal substituent as defined herein. Formulations, OLEDs, and consumer products containing the compounds are also provided. Further provided is a method of preparing a compound of formula M '(LA') p (LB ') q (LC') r as defined herein.

Provided is a light-emitting material with polycyclic ligand. The light-emitting material is a metal complex with polycyclic ligand and may be used as a light-emitting material in an electroluminescent device. While maintaining a very narrow FWHM, these novel metal complexes can better adjust the light-emitting color of the device, reduce the driving voltage of the device or maintain the driving voltage at a low level, improve device efficiency, greatly increase the lifetime of the device, and provide better device performance. Further provided are an electroluminescent device and a compound composition.

A compound having a first ligand LA comprising a structure of Formula I,is provided. In Formula I, moiety B is a monocyclic ring or a polycyclic fused ring system; each of X1 to X6 is C or N; Y is a linking group; K is a direct bond or a linking group; each substituent is hydrogen or a General Substituent defined herein; and at least one of the following conditions is true: (1) an RA substituent is joined with an RB substituent to form a ring AB, which may be substituted by one or more RAB substituents; or (2) X5 and X6 are C, and the corresponding two RA substituents are joined to form a cyclic moiety A1, which may be substituted by one or more RA1 substituents; and moiety B is a polycyclic fused ring system. Formulations, OLEDs, and consumer products containing the compound are also provided.

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.

A compound is disclosed that has a metal coordination complex structure having at least two ligands coordinated to the metal; wherein the compound has a first substituent R1 at one of the ligands' periphery; wherein a first distance is defined as the distance between the metal and one of the atoms in R1 where that atom is the farthest away from the metal among the atoms in R1; wherein the first distance is also longer than any other atom-to-metal distance between the metal and any other atoms in the compound; and wherein when a sphere having a radius r is defined whose center is at the metal and the radius r is the smallest radius that will allow the sphere to enclose all atoms in the compound that are not part of R1, the first distance is longer than the radius r by at least 2.9 A.

The invention relates to organic electroluminescent materials and devices. There is provided a compound having a first ligand LA having a structure of Formula I wherein consecutive two of X1 to X8 are C and bonded to the structure of Formula II in Formula I, Part A is a monocyclic or polycyclic fused ring system; each of Z1 to Z2 and X1 to X12 is C or N; each of Y1 and Y2 is a linking group; k is a direct bond or a linking group; each substituent is hydrogen or a universal substituent as defined herein; and LA is coordinated with the metal M. Also provided is a compound having the formula Ir (LA *) x (LB *) y (LC *) z as defined herein. Formulations, OLEDs and consumer products containing these compounds are further provided.

The present disclosure provides an organic compound represented by general formula [1]. In formula [1], R1 and R2 are each independently selected from a hydrogen atom, an alkyl group, and so forth. Each R3 is independently selected from a deuterium atom, an alkyl group, and so forth, and l is an integer of 0 or more and 8 or less. m is an integer of 1 or more and 3 or less, and n is an integer of 0 or more and 2 or less, provided that m + n is 3. X is a bidentate ligand, and a partial structure IrX is any of structures represented by general formulae [2] and [3]. In formula [2] or [3], R9 to R19 are each independently selected from an alkyl group and so forth. A ring A is any of structures represented by general formulae [4] to [7]. In formulae [4] to [7], R20 to R29 are each independently selected from a hydrogen atom, an alkyl group, and so forth.

The invention provides a 1, 4-diaza-butanetriene compound as well as a synthesis method and application thereof, and belongs to the technical field of organic synthesis. The preparation method comprises the following steps: carrying out a first reaction on a compound 1 and a compound 2 in a solvent A, removing the solvent A after the reaction is finished, extracting with benzene or toluene, filtering, mixing with 12-crown ether-4, and stirring to obtain a compound 3; the synthesis method of the compound 3 provided by the invention is high in yield, simple to operate, mild in reaction, simple in required reaction condition control and high in speed. The obtained compound 3 has excellent stability and can be used for key intermediates in various organic reactions, such as preparation of alpha-diimine ligands.

Disclosed are an organometallic compound, an organic light emitting device including the same, and an electronic device including the organic light emitting device. The organometallic compound is represented by Formula 1, in which M is a transition metal; L1 is a ligand represented by Formula 2 as disclosed herein; L2 is a monodentate ligand, a bidentate ligand, a tridentate ligand, or a tetradentate ligand; n1 is 1, 2, or 3, wherein, when n1 is 2 or more, two or more ligands L1 are the same as or different from each other; n2 is 0, 1, 2, 3, or 4, wherein, when n2 is 2 or more, two or more ligands L2 are the same as or different from each other; and L1 and L2 are different from each other. Formula 1 M(L1) n1 (L2) n2 .

The invention relates to organic electroluminescent materials and devices. There is provided a compound having a first ligand LA comprising a structure of Formula I in which each of moieties A and B is a monocyclic or polycyclic fused ring system; at least one RA or RB has the structure of formula II, wherein the dashed line represents a bond to part A or part B, respectively; the part D is a polycyclic fused ring system; each of Z1 to Z4 and X1 to X5 is C or N; l is a direct bond or a linking group; y is a linking group; each of K1 and K2 is a direct bond or a linking group; and the dashed line of formula I is coordinated with the metal M. Formulations, OLEDs, and consumer products containing the compounds are also provided.

An organic compound is represented by formula [1]. In formula [1], L and L′ are bidentate ligands different from each other, a partial structure IrLm is a partial structure represented by formula [2], and a partial structure IrL′n is a partial structure represented by formula [3-1] or formula [3-2].

This invention provides a transition metal complex having a composition and electronic structure that allows for the generation of reactive labeling intermediates with a lifetime and diffusion radius advantageous for labeling based on the proximity of various biomolecular species, including proteins. [Solution] The transition metal complex of the following formula I is used. JPEG2026097836000012.jpg101168 (In the formula, M represents a transition metal, and A, D, E, G, Y, and Z are selected from C and N.)

To provide a metal complex that serves as a light-emitting material in an emissive layer of an organic electroluminescent device and can greatly improve the efficiency and lifetime of the device.SOLUTION: The present invention discloses, for example, metal complexes that are represented by following formulas and contain a ligand(s) based on isoquinoline which is substituted with deuterium at 3- and 4-position and a ligand(s) based on acetylacetone.SELECTED DRAWING: None

Provided are an organometallic compound represented by Formula 1: wherein M1 is a transition metal, Ln1 is a ligand represented by Formula 1A and Ln2 is a ligand represented by Formula 1B, and other groups and various variables are as described in the detailed description, an organic light-emitting device including the organometallic compound, and an electronic device including the organic light-emitting device. Formula 1M1 (Ln1) n1 (Ln2) n2

The present invention relates to an organic light emitting diode and an organic light emitting device each comprising in a light emitting material layer a first compound represented by the following formula, a second compound as a p-type host and a third compound as an n-type host. Thus, the organic light emitting diode and the organic light emitting device have advantages in driving voltage, luminous efficiency and lifetime.

A novel organometallic complex and a novel light-emitting device are provided. An organometallic complex represented by General Formula (G1) is provided. Note that in General Formula (G1), each of Z1, Z2, Z3, and Z4 independently represents carbon or nitrogen, and at least one of them represents nitrogen. When any of Z1, Z2, Z3, and Z4 represents carbon, the carbon has hydrogen (including deuterium) or a substituent, and the substituent is any one of an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, a silyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a substituted or unsubstituted heteroaryl group having 3 to 30 carbon atoms, and a cyano group. Each of R1 to R18 independently represents any one of hydrogen (including deuterium), an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, a silyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a substituted or unsubstituted heteroaryl group having 3 to 30 carbon atoms, and a cyano group.

The present invention relates to metal complexes which are substituted by aromatic and bicydic aliphatic substituents and are suitable for use as emitters in organic electroluminescent devices. The electronic devices of the invention, especially organic electroluminescent devices, are notable for advantages that are not accompanied by a deterioration in the further electronic properties. The invention provides a compound of the following formula (1):wherein B is a group of the following formula (2):

This application relates to organic electroluminescent materials and devices. The invention includes novel heterocyclic materials suitable for use as blue phosphorescent materials in OLED devices. The novel materials include two fused 5-membered aromatic or pseudoaromatic rings that combine with a 6-membered aromatic ring to act as chelating ligands for transition metals. The novel materials are computationally determined to have suitable triplet energies for use as blue emitters and have sufficient chemical stability for use in devices.

Provided is a metal complex comprising a ligand La having a structure of Formula 1. The metal complex may be used as a charge transport material, a light-emitting material and a host material in an electroluminescent device. These new metal complexes can provide better device performance and, in particular, have apparent advantages in aspects such as CE, PE and EQE and achieve an object of effectively adjusting emitted colors, thereby better improving the overall performance of the electroluminescent devices. Further provided are an electroluminescent device and a compound combination. These electroluminescent devices or compound combinations comprise the metal complex and have relatively good application prospects.

A compound is described as having a triplet excited state and a singlet excited state; wherein the triplet excited state comprises a lowest energy triplet sublevel, a middle energy triplet sublevel, and a highest energy triplet sublevel; and wherein an energy separation between the highest energy triplet sublevel and the lowest energy triplet sublevel (ZFS) is greater than an energy separation between the singlet excited state and a the lowest energy triplet sublevel. Also described is a compound represented by the following Formula I. These compounds should find application as luminescent materials in organic light emitting diodes (OLEDs).

The present invention belongs to the field of organic photoelectric materials. Disclosed are an organic electroluminescent material, a preparation method therefor, and use thereof. The structure of the organic electroluminescent material is as shown in formula I. The compound provided by the present invention can be used as a doping material for a luminescent layer. By selecting a specific ligand compound and substituting with a specific substituent at the 3-position of dibenzothiophene, the spatial configuration and three-dimensional structure between molecules can be changed, resulting in a designed molecular orientation. The present invention features superior device performance of higher turn-on voltage and low driving voltage, and it mitigates the crosstalk between sub-pixels and endows OLED devices with the advantages of long service life, high efficiency, and low driving voltage.

The present invention relates to the use of transition metal-carbene complexes in organic light-emitting diodes (OLEDs), to a light-emitting layer, to a blocking layer for electrons or excitons, or to a blocking layer for holes, each comprising these transition metal-carbene complexes, to OLEDs comprising these transition metal-carbene complexes, to devices which comprise an inventive OLED, and to transition metal-carbene complexes.

Provided are compounds of formula Ir(LA)m(LB)n, where m and n are each independently 1 or 2; and m+n=3;where LA has a structure of Formula Iand LB has a structure of Formula IIthat are useful as emitters in OLEDs. Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.

A compound comprising a ligand LA of Formula I,where G has a structure ofis disclosed. In ligand LA, Ring C is a 5-membered or 6-membered ring; K is a direct bond, O, or S; when K is O or S, X6 is C; each of RA, RB, and RC is H or a substituent, and can be joined together to form a ring; each of X1 to X6 is independently C or N; X1 is C if it is connected to ring C; the RB substituents of at least two adjacent ones of X2 to X5 are joined to form a ring; and the ligand LA is complexed to Ir through the two indicated dash lines to form a 5-membered chelate ring. Organic light emitting devices, consumer products, formulations, and chemical structures containing the compounds are also disclosed.

A compound is described as having a triplet excited state and a singlet excited state; wherein the triplet excited state comprises a lowest energy triplet sublevel, a middle energy triplet sublevel, and a highest energy triplet sublevel; and wherein an energy separation between the highest energy triplet sublevel and the lowest energy triplet sublevel (ZFS) is greater than an energy separation between the singlet excited state and a the lowest energy triplet sublevel. Also described is a compound represented by the following Formula I. These compounds should find application as luminescent materials in organic light emitting diodes (OLEDs).

The invention relates to organic electroluminescent materials and devices. Provided are metal complexes comprising a ligand LA wherein the ligand LA is a monodentate ligand comprising a carbon bent allene; wherein the ligand LA is coordinated to a metal M; wherein the metal M is optionally coordinated to one or more additional ligands; and wherein one or more ligands may be linked to form a multidentate ligand. Formulations comprising these compounds are also provided. Further provided are OLEDs and related consumer products utilizing these compounds.

The invention provides a cobalt-iridium metal complex, nanoparticles, a preparation method and application, and belongs to the technical field of photodynamic therapy drugs. The structural formula of the cobalt-iridium metal complex is shown as a formula (I). The invention also provides a preparation method of the cobalt-iridium metal complex. The invention also provides nanoparticles, the cobalt-iridium metal complex prepared by the invention has a chemiluminescence property, so that the cobalt-iridium metal complex can simultaneously realize photo-thermal, photodynamic and ultrasonic synergistic thrombolysis treatment effects, and the oxidation resistance of the cobalt-iridium metal complex has a remarkable curative effect on a vascular injury part. The complex provided by the invention has good photo-thermal, photodynamic and ultrasonic response capabilities, and can overcome the problems of short excitation wavelength of exciting light and limited light penetration depth required by the existing metal iridium complex. Experiments show that the material has a good treatment effect on thrombus.

Novel compounds comprising heteroleptic iridium complexes are provided. The compounds have a particular combination of ligands which includes a single pyridyl dibenzo-substituted ligand. The compounds may be used in organic light emitting devices, particularly as emitting dopants, to provide devices having improved efficiency, lifetime, and manufacturing.

The invention relates to organic electroluminescent materials and devices. Disclosed are novel ligands for metal complexes containing a five membered ring fused on the pyridine or pyrimidine ring, combined with partially fluorinated side chains, which exhibit improved external quantum efficiency and lifetime.