Abstract: An organic molecule is disclosed comprising: a first chemical moiety with a structure of formula I, and two second chemical moieties, independently from another with a structure of formula II, wherein the first chemical moiety is linked to each of the two second chemical moieties via a single bond.

Abstract: An organic molecule for use in optoelectronic devices having a structure of formula I wherein X1 and X2 are at each occurrence independently selected from the group consisting of CR21 and N; X3 and X4 are at each occurrence independently selected from the group consisting of CR22 and N; X5 and X6 are at each occurrence independently selected from the group consisting of CR23 and N; R21, R22, R23 is at each occurrence independently selected from the group consisting of hydrogen, deuterium, C1-C5-alkyl, C2-C8-alkenyl, C2-C8-alkynyl, C6-C18-aryl, and C3-C17-heteroaryl; and at least one variable of X1 and X2 is N, at least one variable of X3 and X4 is N and at east one variable of X5 and X6 is N.

Abstract: The present invention relates to an organic electroluminescent device comprising a light-emitting layer B containing at least one host compound H of formula (I) wherein not more than two of the residues A1, A2, A3 and A4 are each N, X is O or S, and X? is NRe, O or S. Further, the present invention refers to a method for generating light of a desired wavelength range by means of an organic electroluminescent device according to the present invention to which an electrical current is applied.

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 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 present invention relates to a light-emitting layer B comprising a first emitter compound (a) having a non-exited state S0(a), a first excited singlet state S1(a) and a first excited triplet state T1(a); a second emitter compound (b) having a non-exited state S0(b), a first excited singlet state S1(b) and a first excited triplet state T1(b), wherein the energy level of S1(a) is higher than that of S1(b), the energy level of S1(b) is higher than that of T1(b) and wherein the rate of reverse intersystem crossing from T1(a) to S1(a) is higher than the rate of excitation energy transfer from S1(a) to S1(b) and/or the rate of excitation energy transfer from T1(a) to T1(b), and/or wherein the energy level of T1(b) is higher than that of T1(a). Further, the present invention also refers to an opto-electronic device comprising such light-emitting layer B and use thereof.

Abstract: The present invention relates to organic electroluminescent devices comprising a light-emitting layer B comprising a host material, a phosphorescence material and a emitter material, which exhibits a narrow—expressed by a small full width at half maximum (FWHM)—green emission at an emission maximum of 500 to 560 nm. Further, the present invention relates to a method for generating green light by means of an organic electroluminescent device according to the present invention.

Abstract: An organic molecules for use in optoelectronic devices is disclosed having a structure of formula A1: where A, RN, Ra and R2 are as defined herein.

Abstract: An organic molecule for use in optoelectronic components is disclosed having 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 is disclosed having: A first chemical moiety with a structure of formula I, and Two second chemical moieties with a structure of formula II, wherein the first chemical moiety is linked to each of the two second chemical moieties via a single bond.

Abstract: The present invention relates to organic electroluminescent devices comprising a light-emitting layer B comprising two host materials, a n-type (electron-transporting) and a p-type (hole-transporting) host material, a thermally activated delayed fluorescence (TADF) material and an emitter material, which exhibits a narrow—expressed by a small full width at half maximum (FWHM)—deep-blue emission at an emission maximum of 440 to 475 nm. Further, the present invention relates to a method for generating blue light by means of an organic electroluminescent device according to the present invention.

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 R1 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: An organic molecule is disclosed having a structure of formula I, wherein T is selected from the group consisting of CN and CF3; V, W and Y is independently from each other selected from the group consisting of CN, CF3 and R2; Z is at each occurrence independently from another selected from the group consisting of a direct bond, CR3R4, C?CR3R4, C?O, C?NR3, NR3, O, SiR3R4, S, S(O) and S(O)2; wherein exactly one substituent selected from the group consisting of T, V, W and Y is CN; and exactly one substituent selected from the group consisting of T, V, W and Y is CF3.

Abstract: An organic molecule is disclosed comprising: a first chemical moiety with a structure of formula I, and two second chemical moieties, each at each occurrence independently from another, with a structure of formula II, wherein the first chemical moiety is linked to each of the two second chemical moieties via a single bond.

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: Organic molecules are provided for use in optoelectronic devices. The organic molecules are purely organic molecules, i.e., they do not contain any metal ions. The organic molecules exhibit emission maxima in the blue, sky-blue or green spectral range. The organic molecules exhibit emission maxima between 420 nm and 520 nm, between 440 nm and 495 nm, or 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 use of the molecules in an optoelectronic device, e.g., an organic light-emitting diode (OLED) leads to higher efficiencies of the device. Corresponding OLEDs have a higher stability than OLEDs with known emitter materials and comparable color.

Abstract: An organic molecule is disclosed having: a first chemical unit comprising or consisting of a structure according to formula I and two second chemical moieties, each at each occurrence independently from another comprising or consisting of a structure of formula II, wherein the first chemical moiety is linked to each of the two second chemical moieties via a single bond.

Abstract: Organic molecules are provided for use in organic optoelectronic devices. The organic molecules are purely organic molecules, i.e., they do not contain any metal ions. The organic molecules exhibit emission maxima in the blue, sky-blue or green spectral range. The organic molecules exhibit emission maxima between 420 nm and 520 nm, between 440 nm and 495 nm, or 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). Use of the molecules in an optoelectronic device, e.g., an organic light-emitting diode (OLED) leads to higher efficiencies of the device. Corresponding OLEDs have higher stabilities than OLEDs with known emitter materials and comparable color.

Abstract: An organic molecule is disclosed having a first chemical unit consisting of a structure according to Formula I and two second chemical units, which in each case are the same or different in each occurrence, having a structure according to Formula II.

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 EB transfers energy to SB and SB emits TADF with an emission maximum between 420 and 500 nm.

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.