Abstract: The present invention relates to organic electroluminescent devices including one or more light-emitting layers B, each of which is composed of one or more sublayers including as a whole one or more excitation energy transfer components EET-1, one or more excitation energy transfer components EET-2, one or more small full width at half maximum (FWHM) emitters SB emitting light with an FWHM of less than or equal to 0.25 eV. Furthermore, the present invention relates to a method for generating light by means of an organic electroluminescent device according to the present invention.

Abstract: The present invention relates to organic electroluminescent devices including a light-emitting layers B including a TADF material, a small full width at half maximum (FWHM) emitter SB emitting green light with an FWHM of less than or equal to 0.25 eV, and a host material HB, and an optional excitation energy transfer component EET-2. Furthermore, the present invention relates to a method for generating green light by means of an organic electroluminescent device according to the present invention.

Abstract: The present invention relates to organic electroluminescent devices including a light-emitting layers B including a TADF material, a small full width at half maximum (FWHM) emitter SB emitting blue light with an FWHM of less than or equal to 0.25 eV, and a host material HB, and an optional excitation energy transfer component EET-2. Furthermore, the present invention relates to a method for generating blue light by means of an organic electroluminescent device according to the present invention.

Abstract: The present invention relates to organic electroluminescent devices including one or more light-emitting layers B, each of which is composed of one or more sublayers including as a whole one or more excitation energy transfer components EET-1, one or more excitation energy transfer components EET-2, and one or more small full width at half maximum (FWHM) emitters SB emitting light with an FWHM of less than or equal to 0.25 eV. Furthermore, the present invention relates to a method for generating light by means of an organic electroluminescent device according to the present invention.

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 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 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 organic molecules having a structure of 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 present invention relates to a an organic electroluminescent device comprising an exciton quenching layer C located between the a light-emitting layer B and an electron-transport layer D, wherein the exciton quenching layer C comprises at least one emitter EC and at least 80% by weight of at least one electron transport material ETMD.

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 excition energy transfer from S1(a) to S1(b) and/or the rate of excition 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.