824results 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.

A compound of Formula Ir(LA)x(LB)y(LC)z is provided where x and y are independently 1 or 2; z is 0 or 1; and x+y+z=3; first ligand LA includes a structure of Formula I,ligand LB includes a structure of Formula II:and ligand LC is a bidentate ligand. In the compounds, moiety B is a polycyclic fused ring system comprising at least four rings; each of moiety C and moiety D is a monocyclic ring or a polycyclic fused ring system; each of X1 to X4 and Z1 to Z6 is C or N; L0 is a direct bond or a linking group; YA is a linking group; each substituent is hydrogen or a General Substituent defined herein; and any two substituents may be joined or fused to form a ring. Formulations, OLEDs, and consumer products containing the compound are also provided.

Provided are organometallic compounds having a structure ofAlso provided are formulations comprising these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.

An organic light-emitting element including an organic compound layer containing an organometallic complex that includes a ligand in which a naphthoisoquinoline ring and a naphthalene ring are bonded in a cyclic manner and thus has a small full width at half maximum and high light-emission efficiency.

The invention relates to the technical field of organic electroluminescent devices, in particular to an organic metal iridium complex, a preparation method of the organic metal iridium complex, a luminescent material and an organic electroluminescent device. The organic metal iridium complex is selected from a compound shown in the following structural formula: # imgabs0 #, wherein R1 to R14 are respectively and independently selected from any one of hydrogen, deuterium, tritium, halogen, cyano, trimethyl silicon, trimethyl germanium, substituted or unsubstituted C1-C10 alkyl, substituted or unsubstituted C3-C8 cycloalkyl, substituted or unsubstituted C6-C20 aryl and substituted or unsubstituted 4-membered to 8-membered heterocyclic radical; the number of R10 on a benzene ring of dibenzofuran in the formula 1 is 1 or 2; s1 is selected from substituted or unsubstituted dibenzofuran, and S1 is fused with any position on a benzene ring of adjacent dibenzofuran. The organic metal iridium complex is low in synthesis cost, simple in synthesis process and difficult to purify, and an organic electroluminescent device formed by the organic metal iridium complex is high in luminous efficiency, long in service life and low in driving voltage.

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.

The invention relates to organic electroluminescent materials and devices. The present invention provides a compound of formula Ir (LA) x (LB) y (LC) z, wherein LA has a structure comprising formula I # imgabs0 #. In Formula I, each of X3 to X7 is N or CR; z is an electron withdrawing group; y is a linking group; each R, R ', R3, R4, R5, RA and RB is hydrogen or a universal substituent as defined herein; and each R1 and R2 is a substituent comprising at least one carbon atom. The invention also provides formulations, OLEDs and consumer products containing the compounds.

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 invention belongs to the technical field of organic electroluminescence, and discloses an organic metal iridium complex, a preparation method and an organic electroluminescence device containing the organic metal iridium complex. The structure of the organic metal iridium complex is as shown in formula I. According to the organic metal iridium complex provided by the invention, a nitrogen-containing heterocyclic functional group is introduced to a pyridine ring, and meanwhile, some electron withdrawing groups such as cyano or methyl and the like are added, so that the molecular configuration is changed, a conjugated system is enlarged, and the electrochemical characteristics of a compound are adjusted; after the obtained organic compound is applied to the organic electroluminescent device, the starting voltage of the device is reduced, the luminous efficiency of the device is improved, and the service life of the device is prolonged.

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

To provide an organic electroluminescent material and an element thereof.SOLUTION: The organic electroluminescent material is a metal complex containing an La ligand having a structure represented by formula 1, and in which the La ligand has a multi-membered fused ring structural unit of 6-membered ring-5-membered ring-6-membered ring, and includes particular R1 substituent and Rn substituent. When applied to electroluminescent element, the novel compound can further reduce the half value-width of the emission spectrum while maintaining the high performance of the element, improve the luminescence saturation degree of the element, and have high efficiency under conditions that more closely approach the commercial luminescence requirements of BT.2020.SELECTED DRAWING: Figure 1

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.

An organometallic complex having an emission peak in a long wavelength region (a visible region having a wavelength of 700 nm or greater or a near-infrared region) is provided. The organometallic complex has a structure represented by General Formula (G1), in which a ligand having a quinoxaline skeleton is coordinated to a central metal, and an electron-withdrawing group (e.g., fluorine, a cyano group, a trifluoromethyl group, a trifluoromethylsulfonyl group, or a pentafluorosulfanyl group) is included as a substituent at at least one substitutable position of the benzene ring of the quinoxaline skeleton of the ligand.

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.

Provided is a compound including a first ligand LA of Formula IIn Formula I, ring C is a 5- or 6-membered ring; each of X1 to X8 is C or N; one of X1 to X4 is C and is connected to ring C, and one of X1 to X4 is N and is coordinated to a metal M; Y is a divalent linker; K is a direct bond, O, or S; each R′, R″, RA, RB, and RC is hydrogen or a general substituent; at least one of RA or RB comprises an electron-withdrawing group; at least one of RB is a cyclic group; and metal M is selected from Os, Ir, Pd, Pt, Cu, Ag, and Au. Formulations, devices, and consumer products comprising the compound are also disclosed.

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 relates to an organometallic compound in Formula below and an organic light emitting diode and an organic light emitting device including the organometallic compound. The organometallic compound provides high emitting efficiency and longer lifespan, and the organic light emitting diode and the organic light emitting device have advantages in the emitting efficiency and the lifespan.

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.

The invention relates to organic electroluminescent materials and devices. An organometallic compound is provided comprising a platinum or palladium atom as a central metal atom coordinated by a tetradentate ligand. Formulations comprising these organometallic compounds are also provided. Further provided are organic light emitting devices (OLED) and related consumer products utilizing these organometallic compounds.

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.

The invention discloses a preparation method and application of a tridentate metal iridium complex, the preparation method of the tridentate metal iridium complex comprises the following steps: step 1, substituted 1, 3-benzene diformate and 2-aminothiophenol are subjected to cyclization reaction to obtain a first intermediate; 2, reacting iridium trichloride hydrate with the first intermediate obtained in the step 1 to obtain a second intermediate; and step 3, reacting an LX ligand with the second intermediate obtained in the step 2, and then using silver trifluoromethanesulfonate to obtain a target product. The tridentate clamp type metal iridium complex disclosed by the invention is composed of a substituted-1, 3-bis (benzothiazolyl) benzene main ligand, a 2, 2-dipyridyl or phenanthroline NN ligand and balanced chloride ions. The complex is simple in synthesis method and has high cytotoxicity to cervical cancer cells, colon cancer cells and lung cancer cells, and the in-vitro cell toxicity of the complex is obviously superior to that of clinically applied anti-tumor drug cis-platinum, so that the complex has a good application prospect in the field of metal anti-cancer drugs.

A catalyst includes a catalyst particle including a first metal atom and an active site group attached to the first metal atom via one or more oxygen bridges. The active site group comprises a boric acid group, a metal hydroxide group or a metal oxide group. The metal hydroxide group includes a second metal atom or beryllium, and the metal oxide group includes a second metal atom. The second metal atom is different from the first metal atom and includes aluminum, gallium, indium, or bismuth.

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].

The present invention relates to novel ligands of formula 1, wherein R1 is each substituted or unsubstituted alkyl, perfluoroalkyl, aryl or cycloalkyl; a cyano group; a sulfonyl-SO2-R10 wherein R10 = a C1-C5 alkyl group, a C5-C6 cycloalkyl group, a C5-C10 aryl group, each unsubstituted or substituted by a C1-C4 alkyl group or a C1-C4 perfluoroalkyl group; silyl-Si (R20R30R40), wherein R20, R30 and R40 are, independently of each other, a C1-C6 alkyl group or a C5-C10 aryl group, which are each unsubstituted or substituted by a C1-C4 alkyl group; r2 is each substituted or unsubstituted alkyl, cycloalkyl, adamantyl or aryl; r3, R4 and R5 are each alkyl, cycloalkyl or aryl, which may be unsubstituted or substituted; or at least two of R3, R4 and R5 are alkyl or alkyl ether bridges and form a heterocyclic ring together with the phosphorus atom, or wherein R3 and R6 and / or R4 and R7 and / or R5 and R8 form an alkyl or alkyl ether bridge together with the nitrogen atom to which it is attached form a heterocyclic ring; r6, R7 and R8 are alkyl or aryl, which may be unsubstituted or substituted, or form a heterocyclic ring, alone or together, with R3, R4 or R5 and the nitrogen atom to which it is attached; m, n and o are 0 or 1, with the proviso that at least one of m, n and o is 1, metal complexes thereof and use for catalytic purposes. # imgabs0 #

An OLED is disclosed whose emissive layer has a first host and an emitter, where the emitter is a phosphorescent metal complex or a delayed fluorescent emitter, where EH1T, the T1 triplet energy of the first host, is higher than EET, the T1 triplet energy of the emitter, where EET is at least 2.50 eV, where the LUMO energy of the first host is higher than the HOMO energy of the emitter, where the absolute value of the difference between the HOMO energy of the emitter and the LUMO energy of the first host is ΔE1, where a ≤ ΔE1 - EET ≤ b; and where a ≥ 0.05 eV, and b ≤ 0.60 eV.