Abstract: The present invention relates to a an organic electroluminescent device comprising a light-emitting layer B comprising a host material HB, a first thermally activated delayed fluorescence (TADF) material EB, and a second TADF material SB, wherein SB transfers energy to EB and EB emits TADF with an emission maximum between 420 and 500 nm.

Abstract: The invention relates to organic molecules having a structure of formula 1 AF1-(Separator)m-AF2?? Formula 1 wherein: m is 0 or 1; AF1 is a first chemical entity, having a conjugated system, in particular at least six conjugated electrons (e.g., in the form of at least one aromatic system); AF2 is a second chemical entity, having a conjugated system, in particular at least six conjugated ? electrons (e.g., in the form of at least one aromatic system); with AF1?AF2; wherein AF1 has a structure of formula 2-1: wherein FG is selected from the group consisting of CR**2F, CF3, CF2R**, SF5, N—(CF3)1, N—(CF3)2, O—CF3, S—CF3 and CF2CO2R*; n=1 to 5; o=1 to 5; n+o=5; p=0 or 1; R?=linking point on the separator, linking point on the chemical entity AF2 or a radical R*; wherein one R? represents a linking point on the separator or on the chemical entity AF2.

Abstract: The invention relates to an organic molecule, especially for use in optoelectronic components.

Abstract: The invention relates to purely organic molecules according to formula A without metal center and their use as emitters in organic light-emitting diodes (OLEDs) and in other optoelectronic devices with Y is independently selected from the group consisting of C, PR, S, and S(?O); W is independently selected from the group consisting of C(CN)2, NR, O, and S; X is selected from the group consisting of CR2, C?C(CN)2, NR, O, and S; Ar is a substituted aryl or heteroaryl group with 5 to 40 aromatic ring atoms, which is substituted with m same or different radicals R* and with n same or different donor groups D with electron-donating properties, wherein m+n equals the number of substitutable ring atoms and wherein D comprises a structure of formula I: wherein A and B are independently selected from the group consisting of CRR?, CR, NR, and N, wherein there is a single of a double bond between A and B and a single or a double bond between B and Z; Z is a direct bond or a divalent organic bridge group sele

Abstract: The invention relates to an organic molecule comprising a structure of formula 1 and to the use thereof in optoelectronic components. wherein: X is SO2, CO or a C—C single bond; m is 0 or 1; n is 1, 2 or 3; r is 0 or 1; s is 0 or 1; LG is a divalent linker group, selected from: or LG is an element-element single bond.

Abstract: The invention relates to an organic molecule, especially for use in optoelectronic components. According to the invention, the organic molecule contains a first chemical unit having a structure of formula I and two second chemical units each having a structure of formula II wherein the first chemical unit is joined to each of the two second chemical units via a single bond; wherein: T, V is independently an attachment point of the single bond between the chemical unit of formula I and a chemical unit of formula II or is H; and W, X, Y is independently an attachment point of the single bond between the chemical unit of formula I and a chemical unit of formula II or is selected from the group consisting of H, CN and CF3; and wherein exactly one radical selected from W, X and Y is CN or CF3 and exactly two radicals selected from the group consisting of T, V, W, X and Y are an attachment point of the single bond between the first chemical unit and a second chemical unit.

Abstract: The invention relates to an organic molecule, especially for use in optoelectronic components. According to the invention, the organic molecule contains a first chemical unit having a structure of formula I and a second chemical unit having a structure of formula II where the first chemical unit is joined to the second chemical unit via a single bond; where the following definitions apply: V is an attachment point of the single bond between the first chemical unit of formula I and the chemical unit or selected from the group consisting of R2, CN; V is H or an attachment point of the single bond between the first chemical unit of formula I and the chemical unit; T and W are each an attachment point of the single bond between the first chemical unit and the second chemical unit or selected from the group consisting of R2, CN; X and Y are each selected from the group consisting of R2 and CN.

Abstract: The invention relates to an organic molecule, in particular for use in optoelectronic components. According to the invention, the organic molecule has a structure of Formula I with X?CN or CF3, D= wherein # is the point of attachment of unit D to one of the phenyl rings shown in Formula I; Z is a direct bond or is selected from the group consisting of CR3R4, C?CR3R4, C?O, C?NR3, NR3, O, SiR3R4, S, S(O) and S(O)2; In each occurrence R1 and R2 is the same or different, is H, deuterium, a linear alkyl group having 1 to 5 C atoms, a linear alkenyl or alkynyl group having 2 to 8 C atoms, a branched or cyclic alkyl, alkenyl or alkynyl group having 3 to 10 C atoms, wherein one or more H atoms can be replaced by deuterium, or an aromatic or heteroaromatic ring system having 5 to 15 aromatic ring atoms, which can in each case be substituted with one or more radicals R6; and wherein at least one Ra is not H, and wherein at least one R2 is H.

Abstract: The invention relates to an organic molecule, in particular for use in optoelectronic components. According to the invention, the organic molecule has a structure of Formula I with X?CN, D= wherein # is the point of attachment of unit D to one of the phenyl rings shown in Formula I; Z is a direct bond or is selected from the group consisting of CR3R4, C?CR3R4, C?O, C?NR3, NR3, O, SiR3R4, S, S(O), S(O)2; In each occurrence R1 and R2 is the same or different, is H, deuterium, a linear alkyl group having 1 to 5 C atoms, a linear alkenyl or alkynyl group having 2 to 8 C atoms, a branched or cyclic alkyl, alkenyl or alkynyl group having 3 to 10 C atoms, wherein one or more H atoms can be replaced by deuterium or an aromatic ring system having 5 to 15 aromatic ring atoms, which can in each case be substituted with one or more radicals R6; and wherein at least one Ra is not H, and wherein at least one R2 is H.

Abstract: An organic molecule for use in optoelectronic components is disclosed having a structure of Formula I with X?CN or CF3, D= wherein # is the point of attachment of unit D to the central biphenyl in the structure according to Formula I; Z is a direct bond or is selected from the group consisting of CR3R4, C?CR3R4, C?O, C?NR3, NR3, O, SiR3R4, S, S(O), S(O)2; In each occurrence IV is the same or different, is H, deuterium, a linear alkyl group having 1 to 5 C atoms, a linear alkenyl or alkynyl group having 2 to 8 C atoms, a branched or cyclic alkyl, alkenyl or alkynyl group having 3 to 10 C atoms, wherein one or more H atoms can be replaced by deuterium or an aromatic having 5 to 15 aromatic ring atoms, which can in each case be substituted with one or more radicals R6; and wherein at least one Ra is not H.

Abstract: The invention relates to an organic molecule for the use in optoelectronic devices. According to the invention, the organic molecule has a first chemical moiety with a structure of formula I, and two second chemical moieties with a structure of formula II, wherein # represents the binding site of a single bond linking the first chemical moiety to the second chemical moiety; V is selected from the group consisting of CN and CF3; and W is the bond linking the first chemical moiety to one of the two second chemical moieties.

Abstract: The invention relates to a composition having an organic emitter molecule, which has a ?E(S1?T1) value between the lowest excited singlet state (S1) and the triplet state thereunder of less than 3000 cm?1 and an atom or molecule for reducing the intersystem crossing time constant of the organic molecule.

Abstract: The invention relates to an organic molecule having precisely two units of formula I linked to one another via a single bond or a bridge Y where Y=a divalent group; X=at each occurrence identically or differently CN and CF3; D=chemical unit having a structure of the formula I-1: where #=attachment point of the unit of formula I-1 to the structure of formula I; A and B=independently of one another are selected from the group consisting of CRR1, CR, NR, N, there being a single or double bond between A and B and a single or double bond between B and Z; Z=a direct bond or a divalent organic bridge which is a substituted or unsubstituted C1-C9-alkylene, C2-C8-alkenylene, C2-C8-alkynylene or arylene group or a combination thereof, —CRR1, —C?CRR1, —C?NR, —NR—, —O—, —SiRR1—, —S—, —S(O)—, —S(O)2—, O-interrupted substituted or unsubstituted C1-C9-alkylene, C2-C8-alkenylene, C2-C8-alkynylene or arylene group, phenyl units or substituted phenyl units.

Abstract: Organic molecules are provided that exhibit emission maxima in the blue, sky-blue or green spectral range. The organic molecules exhibit emission maxima between 420 nm and 520 nm, preferably between 440 nm and 495 nm, more preferably between 450 nm and 470 nm. The photoluminescence quantum yields of the organic molecules are 20% or more. The molecules exhibit thermally activated delayed fluorescence (TADF). The molecules can be used in an optoelectronic device, for example an organic light-emitting diode (OLED), leading to higher efficiencies of the device. Corresponding OLEDs have a higher stability than OLEDs with known emitter materials and comparable color.

Abstract: The invention relates to an organic molecule, in particular for the application in organic optoelectronic devices. According to the invention, the organic molecule has a first chemical moiety with a structure of Formula I, and one second chemical moiety with a structure of Formula II, # represents the binding site of a single bond linking the first chemical moiety to the second chemical moiety; wherein at least one variable of X1, X2 is N, and at least one variable of X3, X4 is N.

Abstract: The invention relates to an organic molecule, in particular for use in optoelectronic devices.

Abstract: The invention relates to an organic molecule, in particular for use in organic optoelectronic devices.

Abstract: A heteroleptic binuclear copper(I) complex of the Cu2X2(E?N*)L2 form, having a structure of formula A: The copper(I) complex may be used in optoelectronic components, particularly for use in organic light emitting diodes (OLEDs).

Abstract: The invention relates to an organic molecule, especially for use in optoelectronic components. According to the invention, the organic molecule contains a first chemical unit having a structure of formula I and a second chemical unit having a structure of formula II where the first chemical unit is joined to the second chemical unit via a single bond; where the following definitions apply: V is an attachment point of the single bond between the first chemical unit of formula I and the chemical unit or selected from the group consisting of R2, CN; V is H or an attachment point of the single bond between the first chemical unit of formula I and the chemical unit; T and W are each an attachment point of the single bond between the first chemical unit and the second chemical unit or selected from the group consisting of R2, CN; X and Y are each selected from the group consisting of R2 and CN.

Abstract: The embodiments of the invention relate to copper(I) complexes of the formula A where X* is Cl, Br, I, CN, SCN, alkinyl and/or N3 (independently of one another), N*?E is a bidentate ligand with E being a phosphanyl/arsenyl group of the form R2E (in which R=alkyl, aryl, alkoxyl, phenoxyl, or amide), N* is an imine-function, which is a component of an N-heteroaromatic 5-membered ring that is selected from the group consisting of pyrazole, isoxazole, isothiazole, triazole, oxadiazole, thiadiazole, tetrazole, oxatriazole or thiatriazole, and “?” is at least one carbon atom, which is likewise a component of the aromatic group, the carbon atom being located directly adjacent both to the imine nitrogen atom as well as to the phosphorus or arsenic atom. The copper(I) complexes may be used in optoelectronic components, particularly in organic light emitting diodes (OLEDs).