WO2021214308A1 - Organic molecules for optoelectronic devices - Google Patents

Organic molecules for optoelectronic devices Download PDF

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WO2021214308A1
WO2021214308A1 PCT/EP2021/060705 EP2021060705W WO2021214308A1 WO 2021214308 A1 WO2021214308 A1 WO 2021214308A1 EP 2021060705 W EP2021060705 W EP 2021060705W WO 2021214308 A1 WO2021214308 A1 WO 2021214308A1
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Sebastian DÜCK
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Cynora GmbH
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Cynora GmbH
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Priority to US17/997,023 priority Critical patent/US20230189647A1/en
Priority to CN202180030718.3A priority patent/CN115443280B/zh
Priority to JP2022564155A priority patent/JP7721207B2/ja
Priority to KR1020227040768A priority patent/KR20230006860A/ko
Priority to EP21726328.4A priority patent/EP4139315A1/en
Publication of WO2021214308A1 publication Critical patent/WO2021214308A1/en
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    • C09K11/06—Luminescent materials, e.g. electroluminescent or chemiluminescent containing organic luminescent materials
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    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
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    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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    • H10K71/16—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering
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    • H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
    • H10K85/636—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising heteroaromatic hydrocarbons as substituents on the nitrogen atom
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    • H10K85/649—Aromatic compounds comprising a hetero atom
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    • C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
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    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the invention relates to light-emitting organic molecules in the form of oligomers comprising at least two structural units and their use in organic light-emitting diodes (OLEDs) and in other optoelectronic devices.
  • OLEDs organic light-emitting diodes
  • the object of the present invention is to provide molecules which are suitable for use in optoelectronic devices.
  • the organic molecules are purely organic molecules, i.e. they do not contain any metal ions in contrast to metal complexes known for use in optoelectronic devices.
  • the organic molecules exhibit emission maxima in the blue, sky-blue or green spectral range.
  • the organic molecules exhibit in particular emission maxima between 420 nm and 520 nm, preferably between 440 nm and 495 nm, more preferably between 450 nm and 470 nm or the organic molecules exhibit in particular emission maxima below 560 nm, more preferably below 550 nm, even more preferably below 545 nm or even below 540 nm. It will typically be above 500 nm, more preferably above 510 nm, even more preferably above 515 nm or even above 520 nm.
  • the photoluminescence quantum yields of the organic molecules according to the invention are, in particular, 50 % or more.
  • OLED organic light-emitting diode
  • R 1 , R 2 , R 3 , R 4 , R', R", R m , R IV and R v is selected from the group consisting of: hydrogen, deuterium, N(R 5 ) 2 , OR 5 , Si(R 5 ) 3 , B(OR 5 ) 2 , B(R 5 ) 2 , 0S0 2 R 5 , CF 3 , CN, F, Br, I,
  • C 1 -C 4 o-alkyl which is optionally substituted with one or more substituents R 5 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 5
  • R d and R e is independently from each other selected from the group consisting of: hydrogen, deuterium, CF 3 , CN, F, Br, I,
  • R a are at each occurrence independently selected from the group consisting of: hydrogen, deuterium, N(R 5 ) 2 , OR 5 , Si(R 5 ) 3 , B(OR 5 ) 2 , B(R 5 ) 2 , 0S0 2 R 5 , CF 3 , CN, F, Br, I,
  • C 1 -C 4 o-alkyl which is optionally substituted with one or more substituents R 5 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 5
  • C 1 -C 40 -alkoxy which is optionally substituted with one or more substituents R 6 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6
  • C 2 -C 40 -alkynyl which is optionally substituted with one or more substituents R 6 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6
  • R 6 is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium, OPh, CF 3 , CN, F,
  • Examples for the substituents R a , R d , R e , R 1 , R 2 , R 3 , R 4 , R 5 , R', R", R m , R IV , R v include C 6 -C 6 o- aryl, preferably C 6 -C 30 -aryl, more preferably C 6 -C 18 -aryl, and even preferably C 6 -C 1 o-aryl.
  • aryl substituents include monocyclic benzene, bicyclic biphenyl, condensed bicyclic naphthalene, tricyclic terphenyl (m-terphenyl, o -Terphenyl, p-terphenyl), condensed tricyclic systems such as acenaphthylene, fluorene, phenalene, phenanthrene, condensed tetracyclic systems such as triphenylene, pyrene, naphthacene, condensed pentacyclic system examples include a perylene and a pentacene.
  • Examples for the substituents R a , R d , R e , R 1 , R 2 , R 3 , R 4 , R 5 , R', R", R m , R IV , R v include C 2 -C 57 - heteroaryl, preferably C 2 -C 30 -heteroaryl, more preferably C 2 -C 17 -heteroaryl, and even preferably C 2 -C 10 -heteroaryl.
  • heteroaryl substituents include pyrrole, oxazole, isoxazole, thiazole, isothiazole, imidazole, oxadiazole, thiadiazole, triazole, tetrazole, pyrazole, pyridine, pyrimidine, pyridazine, pyrazine, triazine, indole, isoindole, 1 H-indazole, benzimidazole, benzoxazole, benzothiazole, 1 H-benzotriazole, quinoline, isoquinoline, cinnoline, quinazoline, quinoxaline, phthalazine, naphthyridine, purine, pteridine, carbazole, acridine, phenoxathiin, phenoxazine ring, phenothiazine, phenazine, furan, benzofuran, isobenzofuran, dibenzofuran
  • R a , R d , R e , R 1 , R 2 , R 3 , R 4 , R 5 , R', R", R m , R IV , R v include C 1 -C 40 - alkyl, preferably C 1 -C 24 -alkyl or branched or cyclic C 3 -C 4 o-alkyl, more preferably C 1 -C 18 -alkyl or branched or cyclic C 3 -C 18 -alkyl, even preferably C 1 -C 12 -alkyl or branched or cyclic C 3 -C 12 -alkyl, even more preferably C 1 -C 6 -alkyl or branched or cyclic C 3 -C 6 -alkyl, and particularly preferably
  • 11ecific alkyl substituents include methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, s-butyl, t-butyl, n-pentyl, isopentyl, neopentyl, t-pentyl, n-hexyl, and 1 -methyl, pentyl, 4-methyl-2- pentyl, 3,3-dimethylbutyl, 2-ethylbutyl, n-heptyl, 1-methylhexyl, n-octyl, t-octyl, 1-methylheptyl, 2-ethylhexyl, 2-propyl Pentyl, n-nonyl, cyclo-hexyl 2,2-dimethylheptyl, 2,6-d
  • R a , R d , R e , R 1 , R 2 , R 3 , R 4 , R 5 , R', R", R m , R IV , R v include C 1 -C 40 - alkoxy, preferably C 1 -C 24 -alkoxy or branched or cyclic C 3 -C 4 o-alkoxy, more preferably C 1 -C 18 - alkoxy or branched or cyclic C 3 -C 18 -alkoxy, even preferably C 1 -C 12 -alkoxy or branched or cyclic C 3 -C 12 -alkoxy, even more preferably C 1 -C 6 -alkoxy or branched or cyclic C 3 -C 6 -alkoxy, and particularly preferably C 1 -C 4 -alkoxy or branched C 3 -C 4 -alkoxy.
  • alkoxy substituents include methoxy, ethoxy, propoxy, isopropoxy, butoxy, isobutoxy, s-butoxy, t-butoxy, pentyloxy, hexyloxy, heptyloxy, octyloxy and the like.
  • R a , R d , R e , R 1 , R 2 , R 3 , R 4 , R 5 , R', R", R m , R IV , R v include C 1 -C 40 - thioalkyl, preferably C 1 -C 24 -thioalkyl or branched or cyclic C 3 -C 4 o-thioalkyl, more preferably C 1 -
  • C 18 -thioalkyl or branched or cyclic C 3 -C 18 -thioalkyl even preferably C 1 -C 12 -thioalkyl or branched or cyclic C 3 -C 12 -thioalkyl, even more preferably C 1 -C 6 -thioalkyl or branched or cyclic C 3 -C 6 -thioalkyl, and particularly preferably C 1 -CHhioalkyl or branched C 3 -C 4 -thioalkyl.
  • Examples for the substituents R a , R d , R e , R 1 , R 2 , R 3 , R 4 , R 5 , R', R", R m , R IV , R v include C 1 -C 40 - alkenyl, preferably C 2 -C 24 -alkenyl or branched or cyclic C 3 -C 4 o-alkenyl, more preferably C 2 -C 18 - alkenyl or branched or cyclic C 3 -C 18 -alkenyl, even preferably C 2 -C 12 -alkenyl or branched or cyclic C 3 -C 12 -alkenyl, even more preferably C 2 -C 6 -alkenyl or branched or cyclic C 3 -C 6 -alkenyl, and particularly preferably C 1 -C 4 -alkenyl or branched C 3 -C 4 -alkenyl.
  • R a , R d , R e , R 1 , R 2 , R 3 , R 4 , R 5 , R', R", R m , R IV , R v include C 1 -C 40 - alkynyl, preferably C 2 -C 24 -alkynyl or branched or cyclic C 3 -C 4 o-alkynyl, more preferably C 2 -C 18 - alkynyl or branched or cyclic C 3 -C 18 -alkynyl, even preferably C 2 -C 12 -alkynyl or branched or cyclic C 3 -C 12 -alkynyl, even more preferably C 2 -C 6 -alkynyl or branched or cyclic C 3 -C 6 -alkynyl, and particularly preferably C 1 -C 4 -alkynyl or branched C 3 -C 4 -
  • R 5 is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium, N(R 6 ) 2 , OR 6 , Si(R 6 ) 3 , B(OR 6 ) 2 , B(R 6 ) 2 , 0S0 2 R 6 , CF 3 , CN, F, Br, I,
  • C 1 -C 18 - aIkyI which is optionally substituted with one or more substituents R 6 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6
  • C 1 -C 18 -alkoxy which is optionally substituted with one or more substituents R 6 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6
  • C 1 -C 18 -thioalkoxy which is optionally substituted with one or more substituents R 6 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6
  • C 2 -C 18 -alkenyl which is optionally substituted with one or more substituents R 6 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6
  • C 2 -C 18 -alkynyl which is optionally substituted with one or more substituents R 6 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6
  • n 1.
  • n 0.
  • R 1 , R 2 , R 3 , R 4 , R', R", R m , R IV , R v is independently from another selected from the group consisting of: hydrogen, deuterium,
  • C 1 - C 18 - a I ky I which is optionally substituted with one or more substituents R 5 and wherein one or more non-adjacent CFh-groups are optionally substituted by R 5
  • R 5 is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium, N(R 6 ) 2 , OR 6 , Si(R 6 ) 3 , B(R 6 ) 2 , CF 3 , CN, F, Br, I,
  • C 1 - C 18 - a I ky I which is optionally substituted with one or more substituents R 6 and wherein one or more non-adjacent CFh-groups are optionally substituted by R 6
  • R 1 , R 2 , R 3 , R 4 , R', R", R m , R IV , R v is independently from another selected from the group consisting of: hydrogen, deuterium,
  • R 5 is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium, N(R 6 ) 2 , OR 6 , Si(R 6 ) 3 , B(R 6 ) 2 , CF 3 , CN, F, Br, I,
  • C 1 - C 18 - a I ky I which is optionally substituted with one or more substituents R 6 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6
  • R 1 , R 2 , R 3 , R 4 , R', R", R m , R IV , R v is independently from another selected from the group consisting of: hydrogen, deuterium, N(R 5 ) 2 ,
  • R 5 is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium, N(R 6 ) 2 , OR 6 , Si(R 6 ) 3 , B(R 6 ) 2 , CF 3 , CN, F, Br, I,
  • C 1 - C 18 - a I ky I which is optionally substituted with one or more substituents R 6 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6
  • R 1 , R 2 , R 3 , R 4 , R', R", R m , R IV , R v is independently from another selected from the group consisting of: hydrogen, deuterium,
  • R 5 is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium, N(R 6 ) 2 , OR 6 , Si(R 6 ) 3 , B(R 6 ) 2 , CF 3 , CN, F, Br, I,
  • C 1 - C 18 - a I ky I which is optionally substituted with one or more substituents R 6 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6
  • R 1 , R 2 , R 3 , R 4 , R', R", R m , R IV , R v is independently from another selected from the group consisting of: hydrogen, deuterium,
  • R 1 , R 2 , R', R", R m , R IV , R v is independently from another selected from the group consisting of: hydrogen, deuterium,
  • R 3 , R 4 are independently from another selected from the group consisting of:
  • R 1 , R 2 , R 3 , R 4 , R', R", R m , R IV , R v is independently from another selected from the group consisting of:
  • C 1 - C 18 - a I ky I which is optionally substituted with one or more substituents R 5 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 5
  • C 6 -C 18 -aryl which is optionally substituted with one or more substituents R 5 ; and C 2 -C 17 -heteroaryl, which is optionally substituted with one or more substituents R 5 ;
  • R 1 , R 2 , R 3 , R 4 , R', R", R m , R IV , R v is independently from another selected from the group consisting of:
  • R 1 , R 2 , R 3 , R 4 , R', R", R m , R IV , R v is independently from another selected from the group consisting of:
  • R 3 is independently from another selected from the group consisting of: C 1 -C 40 -alkyl, which is optionally substituted with one or more substituents R 5 ;
  • R 3 is independently from another selected from the group consisting of:
  • R 3 is independently from another selected from the group consisting of: C 6 -C 18 -aryl, which is optionally substituted with one or more substituents R 5 ;
  • R 3 is a C 6 -C 18 -aryl, which is optionally substituted with one or more substituents R 6 .
  • R 3 is a Phenyl (Ph), which is optionally substituted with one or more substituents R 5 .
  • R 3 is a Phenyl (Ph), which is optionally substituted with one or more substituents R 6 .
  • R 3 is a Phenyl (Ph), which is optionally substituted with one or more
  • R 3 is a Phenyl (Ph), which is independently from each other optionally substituted with one or more
  • R 3 is Ph.
  • R 1 , R 2 , R 3 , R 4 , R', R", R m , R IV , R v is independently from another selected from the group consisting of:
  • R" R m , R IV , R v and R a is
  • R a is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium,
  • R a is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium,
  • R a is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium,
  • R a is Me, i Pr, t Bu.
  • R 2 , R', R", R m , R IV , R v forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 1 , R 2 , R 3 , R 4 , R 5 , R', R", R m , R IV , R v .
  • At least one substituent selected from the group consisting of R 1 , R 2 , R', R", R m , R IV , R v forms a aromatic, and/ or heteroaromatic benzo-fused ring system with one or more substituents R 1 , R 2 , R 3 , R 4 , R 5 , R', R", R m , R IV , R v
  • At least one substituent selected from the group consisting of R 1 , R 2 , R', R", R m , R IV , R v forms a aromatic, and/ or heteroaromatic benzo-fused ring system with one or more adjacent substituents R 1 , R 2 , R', R", R m , R IV , R v .
  • R 1 is positioned adjacent to R'; R' is positioned adjacent to R" and R 1 , R" is positioned adjacent to R IN and R'; R m is positioned adjacent to R", R 2 is positioned adjacent to R v , R v is positioned adjacent to R 2 and R IV and R IV is positioned adjacent to R v .
  • At least one substituent selected from the group consisting of R 1 , R 2 , R', R", R m , R IV , R v forms an mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more adjacent substituents R 1 , R 2 , R', R", R m , R IV , R v .
  • R 1 is positioned adjacent to R'; R' is positioned adjacent to R" and R 1 , R" is positioned adjacent to R IN and R'; R m is positioned adjacent to R", R 2 is positioned adjacent to R v , R v is positioned adjacent to R 2 and R IV and R IV is positioned adjacent to R v .
  • R 2 , R', R", R m , R IV , R v forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 1 , R 2 , R 3 , R 4 , R 5 , R', R", R m , R IV , R v , wherein the ring system is selected from the following groups: wherein each dotted line is an attachment point.
  • R 2 , R', R", R m , R IV , R v forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 1 , R 2 , R 3 , R 4 , R 5 , R', R", R m , R IV , R v , wherein the ring system is selected from the following groups:
  • each dotted line is an attachment point.
  • the attachment points are positioned adjacent to each other.
  • R 1 preferably forms a ringsystem with R';
  • R' preferably forms a ringsystem with R" and/or R 1 ,
  • R" preferably forms a ringsystem with R m and/or R';
  • R m preferably forms a ringsystem with R"
  • R 2 preferably forms a ringsystem with R v , preferably forms a ringsystem with R 2 and/or R IV and R IV preferably forms a ringsystem with R v .
  • At least one substituent selected from the group consisting of R 1 , R 2 , R', R", R m , R IV , R v forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo- fused ring system with one or more substituents R 1 , R 2 , R', R", R m , R IV , R v , wherein the ring system is selected from the following group:
  • X 1 is S, O or NR 5 .
  • attachment points are positioned adjacent to each other.
  • R" forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 1 , R', R", R m , wherein the ring system is selected from the following groups: wherein each dotted line is an attachment point.
  • R" forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 1 , R', R", R m , wherein the ring system is selected from the following groups:
  • each dotted line is an attachment point.
  • the attachment points are positioned adjacent to each other.
  • R 1 preferably forms a ringsystem with R';
  • R' preferably forms a ringsystem with R" and/or R 1 ;
  • R" preferably forms a ringsystem with R m and/or R';
  • R IN preferably forms a ringsystem with R".
  • At least one substituent selected from the group consisting of R 1 , R 2 , R', R", R m , R IV , R v forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo- fused ring system with one or more substituents R 1 , R 2 , R', R", R m , R IV , R v , wherein the ring system is selected from the following group:
  • X 2 is N or CR 5 ; wherein X 3 is N or CR 5 .
  • attachment points are positioned adjacent to each other.
  • R a is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium,
  • At least one R a is different from hydrogen.
  • R a is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium,
  • R a is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium,
  • R a is at each occurrence independently selected from the group consisting of: hydrogen,
  • Aryl which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , F and Ph
  • pyridinyl which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , F and Ph
  • carbazolyl which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , F and Ph
  • triazinyl which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , F and Ph
  • N(Ph) 2 which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, F and Ph
  • Aryl which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , F and Ph, pyridinyl, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , F and Ph, carbazolyl, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , F and Ph, triazinyl, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , F and Ph, and N(Ph) 2 , which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, F and Ph.
  • R a is at each occurrence independently selected from the group consisting of: hydrogen,
  • R a is at each occurrence independently selected from the group consisting of: hydrogen,
  • Ph which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , F and Ph, carbazolyl, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , F and Ph, and N(Ph) 2 , which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, F and Ph wherein groups R a positioned adjacent to each other are optionally bonded to each other and form an aryl or heteroaryl ring, which is optionally substituted with one or more C 1 -C 5 -alkyl substituents, C 6 -C 18 -aryl substituents, deuterium, halogen, CN or CF 3 .
  • R a is at each occurrence independently selected from the group consisting of: hydrogen,
  • Ph which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, F and Ph
  • carbazolyl which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, F and Ph
  • N(Ph) 2 which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, F and Ph.
  • R a is at each occurrence independently selected from the group consisting of: hydrogen, Me, i Pr, t Bu,
  • Ph which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, and Ph
  • carbazolyl which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, and Ph
  • N(Ph) 2 which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, and Ph.
  • R a is at each occurrence independently selected from the group consisting of: hydrogen,
  • Ph which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, and Ph, and N(Ph) 2 , which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, and Ph.
  • R a is at each occurrence independently selected from the group consisting of: hydrogen,
  • Ph which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, and Ph.
  • R a is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium,
  • R a is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium,
  • C 6 -C 18 -aryl which is optionally substituted with one or more substituents R 5 ; and C 2 -C 17 -heteroaryl, which is optionally substituted with one or more substituents R 5 , or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R a , R 5 , wherein the ring system is selected from the following groups:
  • each dotted line is an attachment point.
  • attachment points are positioned adjacent to each other.
  • R a preferably forms a ringsystem with R a positioned adjacent to each other.
  • At least one R a forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R a , R 5 , wherein the ring system is selected from the following group:
  • X 1 is S, O or NR 5 .
  • attachment points are positioned adjacent to each other.
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula I, with the proviso, if X is NR 3 and R d and R e are connected to each other to form an aromatic ring system, R v is N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV . Specific examples are listed below:
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula I, with the proviso, if X is NR 3 and R d and R e are connected to each other to form an aromatic ring system, R v is selected from
  • N(R 6 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula I, with the proviso, if X is NR 3 and R d and R e are connected to each other to form an aromatic ring system, R v is selected from
  • N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more adjacent substituents R 2 , and R IV .
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula I, with the proviso, if X is NR 3 and R d and R e are connected to each other to form an aromatic ring system, R v is selected from N(R 6 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more adjacent substituents R 2 , and R IV .
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula I, with the proviso, if X is NR 3 and R d and R e are connected to each other to form an aromatic ring system, R v is N(R 5 ) 2 .
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula I, with the proviso, if X is NR 3 and R d and R e are connected to each other to form an aromatic ring system, R v is N(R 6 ) 2 .
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula I, with the proviso, if X is NR 3 and R d and R e are connected to each other to form an aromatic ring system, R v forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula I, with the proviso, if X is NR 3 and R d and R e are connected to each other to form an aromatic ring system, R v forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more adjacent substituents R 2 , and/or R IV .
  • organic molecules according to the invention include:
  • X is at each occurrence independently from another selected from the group consisting of a direct bond, NR 3 , CR 3 R 4 , S and O.
  • X is at each occurrence independently from another selected from the group consisting of a direct bond, NR 3 , S and O.
  • X is at each occurrence independently from another selected from the group consisting of a direct bond and NR 3 .
  • R 1 , R 2 , R 3 , R 4 , R', R", R m , R lv and R v is at each occurrence independently from another selected from the group consisting of: hydrogen,
  • Ph which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph
  • pyridinyl which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph
  • pyrimidinyl which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph
  • carbazolyl which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph
  • triazinyl which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph
  • X is at each occurrence independently from another selected from the group consisting of a direct bond, NR 3 and O.
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula II, with the proviso, if X is NR 3 and R d and R e are connected to each other to form an aromatic ring system, R v is selected from
  • N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula II, with the proviso, if X is NR 3 and R d and R e are connected to each other to form an aromatic ring system, R v is selected from
  • N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more adjacent substituents R 2 , and/or R IV .
  • the organic molecule comprises or consists of a structure of formula I I-1
  • the organic molecule comprises or consists of a structure of formula I I-1 , wherein R 3 is selected from the group consisting of C 6 -C 18 -aryl, which is optionally substituted with one or more substituents R 5 ; and C 2 -C 57 -heteroaryl, which is optionally substituted with one or more substituents R 5 .
  • the organic molecule comprises or consists of a structure of formula I I-1, wherein R 3 is a C 6 -C 18 -aryl, which is optionally substituted with one or more substituents R 5 .
  • the organic molecule comprises or consists of a structure of formula I I-1 , wherein R 3 is a C 6 -C 18 -aryl, which is optionally substituted with one or more substituents R 6 .
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula I I-1 , with the proviso, if R d and R e are connected to each other to form an aromatic ring system, R v is selected from
  • N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula I I-1 , with the proviso, if R d and R e are connected to each other to form an aromatic ring system, R v is selected from
  • N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more adjacent substituents R 2 , R IV .
  • the organic molecule comprises or consists of a structure of formula I I-1 a
  • R 3 is a C 6 -C 18 -aryl, which is optionally substituted with one or more substituents R 5 ;
  • Q 1 is selected from the group consisting of C and CR m ;
  • Q 2 is selected from the group consisting of C and CR"
  • Q 3 is selected from the group consisting of C and CR 1 ;
  • Q 4 is selected from the group consisting of C and CR 1 ; wherein at least one substituent selected from the group consisting of Q 2 and Q 3 is C; exactly one substituent selected from the group consisting of Q 1 and Q 4 is C (and the other is CR m and CR 1 , respectively), if exactly one substituent selected from the group consisting of Q 2 and Q 3 is C.
  • the organic molecule comprises or consists of a structure of formula I I-1 a, wherein at least one substituent selected from the group consisting of R 2 , R v , R IV forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R v , R IV .
  • the organic molecule comprises or consists of a structure of formula I I-1 a, wherein at least one substituent R v forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more adjacent substituents R 2 , R IV .
  • the organic molecule comprises or consists of a structure of formula I I-1 a, wherein at least one substituent selected from the group consisting of R 2 , R v , R IV forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R v , R IV , wherein the ring system is selected from the following groups: wherein each dotted line is an attachment point.
  • the attachment points are positioned adjacent to each other.
  • R 2 preferably forms a ringsystem with R v ;
  • R v preferably forms a ringsystem with R 2 and/or R IV and
  • R IV preferably forms a ringsystem with R v .
  • the organic molecule comprises or consists of a structure of formula I I-1 a, wherein at least one substituent selected from the group consisting of R 2 , R v , R IV forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R v , R IV , wherein the ring system is selected from the following groups:
  • each dotted line is an attachment point.
  • the organic molecule comprises or consists of a structure of formula I I-1a, wherein at least one substituent selected from the group consisting of R 2 , R v , R IV forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R v , R IV , wherein the ring system is selected from the following group:
  • X 1 is S, O or NR 5 .
  • the organic molecule comprises or consists of a structure of formula I I-1 a, wherein at least one substituent selected from the group consisting of R 2 , R v , R IV forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R v , R IV , wherein the ring system is selected from the following groups: wherein each dotted line is an attachment point.
  • the organic molecule comprises or consists of a structure of formula I I-1 a, wherein at least one substituent selected from the group consisting of R 2 , R v , R IV forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R v , R IV , wherein the ring system is selected from the following groups: wherein each dotted line is an attachment point.
  • the organic molecule comprises or consists of a structure of formula I I-1 ac
  • the organic molecule comprises or consists of a structure of formula I I-1 ab
  • the organic molecule comprises or consists of a structure of formula lla
  • R b is at each occurrence independently from another selected from the group consisting of hydrogen, deuterium, N(R 5 ) 2 , OR 5 , Si(R 5 ) 3 , B(OR 5 ) 2 , 0S0 2 R 5 , CF 3 , CN, F, Br, I,
  • R b is at each occurrence independently from another selected from the group consisting of:
  • Ph which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph
  • pyridinyl which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph
  • carbazolyl which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph
  • triazinyl which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph, and N(Ph) 2 .
  • R b is at each occurrence independently from another selected from the group consisting of:
  • Me, i Pr, t Bu, CN, CF 3 , Ph which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph
  • pyridinyl which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph
  • carbazolyl which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph
  • triazinyl which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph, and N(Ph) 2 .
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula I la, with the proviso, if X is NR 3 and R d and R e are connected to each other to form an aromatic ring system, R v is selected from
  • N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic molecule comprises or consists of a structure of formula III wherein the substituents R a , R 5 , independently from each other, optionally form a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R a , R 5 ; and wherein the substituents R 1 , R 2 , R 3 , R 4 , R 5 , R', R", R m , R IV , R v independently from each other, optionally form a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 1 , R 2 , R 3 , R 4 , R 5 , R', R", R m , R IV , R v .
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula III, with the proviso, if X is NR 3 , R v is selected from N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic molecule comprises or consists of a structure of formula III-1
  • R 3 is a C 6 -C 6 o-aryl, which is optionally substituted with one or more substituents R 6 .
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula 1I I-1 , wherein R v is selected from
  • N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic molecule comprises or consists of a structure of formula II 1-2 wherein R 3 is a C 6 -C 18 -aryl, which is optionally substituted with one or more substituents R 5 .
  • the organic molecule comprises or consists of a structure of formula ill-2 wherein R 3 is a C 6 -C 18 -aryl, which is optionally substituted with one or more substituents R 6 , and R v is selected from the group consisting of C 2 -C 17 -heteroaryl, which is optionally substituted with one or more substituents R 5 ; and
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula ill-2, wherein R v is selected from
  • N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic molecule comprises or consists of a structure of formula ill-2, wherein R v is N(C 6 -C 18 -aryl) 2 .
  • the organic molecule comprises or consists of a structure of formula II l-2a
  • R 1 , R 2 , R', R", R m , R IV , R v forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 1 , R 2 , R 3 , R 4 , R 5 , R', R", R m , R IV , R v , wherein the ring system is selected from the following groups: wherein each dotted line is an attachment point.
  • the organic molecule comprises or consists of a structure of formula II l-2a, wherein R 3 is a C 6 -C 18 -aryl, which is optionally substituted with one or more substituents R 5 and wherein at least one substituent selected from the group consisting of R 1 , R 2 , R', R", R m , R IV , R v forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 1 , R 2 , R 3 , R 4 , R 5 , R', R", R m , R IV , R v , wherein the ring system is selected from the following groups: wherein each dotted line is an attachment point.
  • the organic molecule comprises or consists of a structure of formula II l-2b
  • the organic molecule comprises or consists of a structure of formula II l-2b, wherein at least one substituent selected from the group consisting of R 2 , R v , R IV forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R v , R IV , wherein the ring system is selected from the following groups: wherein each dotted line is an attachment point.
  • the organic molecule comprises or consists of a structure of formula II l-2b, wherein at least one substituent selected from the group consisting of R 2 , R v , R IV forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R v , R IV , wherein the ring system is selected from the following groups: wherein each dotted line is an attachment point.
  • the organic molecule comprises or consists of a structure of formula II l-2b, wherein at least one substituent selected from the group consisting of R 2 , R v , R IV forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R v , R IV , wherein the ring system is selected from the following groups: wherein each dotted line is an attachment point.
  • the organic molecule/oligomer comprises or consists of a structure of formula II l-2b, wherein at least one R a is different from hydrogen.
  • the organic molecule comprises or consists of a structure of formula II l-2c
  • the organic molecule comprises or consists of a structure of formula II l-2c, wherein at least one substituent selected from the group consisting of R 2 , R v , R IV forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R v , R IV , wherein the ring system is selected from the following groups:
  • each dotted line is an attachment point.
  • the organic molecule comprises or consists of a structure of formula II l-2c, wherein at least one substituent selected from the group consisting of R 2 , R v , R IV forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R v , R IV , wherein the ring system is selected from the following group: wherein each dotted line is an attachment point.
  • the organic molecule comprises or consists of a structure of formula II l-2c, wherein at least one substituent selected from the group consisting of R 2 , R v , R IV forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R v , R IV , wherein the ring system is selected from the following groups: wherein each dotted line is an attachment point.
  • the organic molecule comprises or consists of a structure of formula II l-2c, wherein at least one substituent selected from the group consisting of R 2 , R v , R IV forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R v , R IV , wherein the ring system is selected from the following groups: wherein each dotted line is an attachment point.
  • the organic molecule/oligomer comprises or consists of a structure of formula II l-2c, wherein at least one R a is different from hydrogen.
  • the organic molecule comprises or consists of a structure of formula lll-2d-l, formula lll-2d-ll, formula lll-2d-lll, and formula lll-2d-IV:
  • the organic molecule/oligomer comprises or consists of a structure of formula lll-2d-l, formula lll-2d-ll, formula lll-2d-lll, and formula lll-2d-IV, wherein at least one R a is different from hydrogen.
  • the organic molecule/oligomer comprises or consists of a structure of formula lll-2d-l, formula lll-2d-ll, formula lll-2d-lll, and formula lll-2d-IV, wherein X 1 is O.
  • the organic molecule comprises or consists of a structure of formula lll-2d-lll:
  • the organic molecule/oligomer comprises or consists of a structure of formula lll-2d-lll, wherein at least one R a is different from hydrogen. In one embodiment of the invention, the organic molecule/oligomer comprises or consists of a structure of formula lll-2d-lll, wherein X 1 is O.
  • the organic molecule comprises or consists of a structure of formula lll-2d-llla:
  • the organic molecule/oligomer comprises or consists of a structure of formula lll-2d-llla, wherein at least one R a is different from hydrogen.
  • the organic molecule/oligomer comprises or consists of a structure of formula lll-2d-llla, wherein X 1 is O.
  • the organic molecule comprises or consists of a structure of formula lll-2d-lllb:
  • the organic molecule/oligomer comprises or consists of a structure of formula lll-2d-lllb, wherein at least one R a is different from hydrogen.
  • the organic molecule/oligomer comprises or consists of a structure of formula lll-2d-lllb, wherein X 1 is O.
  • the organic molecule comprises or consists of a structure of formula lll-2d-lllc:
  • the organic molecule/oligomer comprises or consists of a structure of formula lll-2d-lllc, wherein at least one R a is different from hydrogen.
  • the organic molecule/oligomer comprises or consists of a structure of formula lll-2d-lllc, wherein X 1 is O.
  • the organic molecule comprises or consists of a structure of formula lll-3, formula lll-4, or formula lll-5
  • the organic molecule comprises or consists of a structure of formula II 1-3, formula 1I I-4, or formula 1I I-5, wherein R v is selected from the group consisting of OPh, CF 3 , CN, F,
  • C 1 -C 5 -alkyl wherein one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF 3 , or F
  • C 1 -C 5 -alkoxy wherein one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF 3 , or F;
  • C 1 -C 5 -thioalkoxy wherein one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF 3 , or F;
  • C 2 -C 5 -alkenyl wherein one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF 3 , or F;
  • C 2 -C 5 -alkynyl wherein one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF 3 , or F;
  • C 6 -C 18 -aryl which is optionally substituted with one or more C 1 -C 5 -alkyl substituents;
  • C 2 -C 17 -heteroaryl which is optionally substituted with one or more C 1 -C 5 -alkyl substituents;
  • R a and R 5 is at each occurrence independently from another selected from the group consisting of hydrogen (H), methyl (Me), i-propyl (CH(CH 3 ) 2 ) ( i Pr), t-butyl (*Bu), phenyl (Ph), CN, CF 3 , and diphenylamine (NPh 2 ).
  • the organic molecule comprises or consists of a structure of formula llla
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llla, with the proviso that, if X is NR 3 , R v is selected from N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic molecule comprises or consists of a structure selected from the group consisting of formula llla-1 and formula llla-2
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llla-1 or llla-2, with the proviso, if X is NR 3 , R v is selected from
  • the organic molecule comprises or consists of a structure of formula II lb
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula II lb, wherein R v is selected from
  • N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic molecule comprises or consists of a structure selected from the group consisting of formula II lb-1 and formula II lb-2
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula lllb-1 or lllb-2, wherein R v is selected from N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic molecule comprises or consists of a structure of formula I lie
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula lllc, with the proviso, if X is NR 3 , R v is selected from N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 .
  • the organic molecule comprises or consists of a structure selected from the group consisting of formula lllc-1 and formula lllc-2
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula lllc-1 or lllc-2, with the proviso, if X is NR 3 , R v is selected from
  • the organic molecule comprises or consists of a structure of formula II Id
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula II Id, wherein R v is selected from
  • N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 .
  • the organic molecule comprises or consists of a structure selected from the group consisting of formula llld-1 and formula llld-2
  • R v is selected from the group consisting of C 2 -C 17 -heteroaryl, which is optionally substituted with one or more substituents R 5 ;
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llld-1 or llld-2, wherein R v is selected from N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 .
  • the organic molecule comprises or consists of a structure of formula llle-0
  • Q 1 is selected from the group consisting of C and CR m ;
  • Q 2 is selected from the group consisting of C and CR";
  • Q 3 is selected from the group consisting of C and CR';
  • Q 4 is selected from the group consisting of C and CR 1 ; wherein at least one substituent selected from the group consisting of Q 2 and Q 3 is C; exactly one substituent selected from the group consisting of Q 1 and Q 4 is C and the other is CR m or CR 1 , if exactly one substituent selected from the group consisting of Q 2 and Q 3 is C.
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-0, wherein R v is selected from
  • N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-0, wherein R v forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-0, wherein at least one substituent selected from the group consisting of R 1 , R 2 , R IN , R IV , R v forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 1 , R 2 , R 3 , R 4 ,
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-0, wherein R 3 is independently from another selected from the group consisting of:
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-0, wherein R 3 is independently from another selected from the group consisting of:
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-0, wherein Q 4 is CR 1 .
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-0, wherein R a is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium,
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-0, wherein R a is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium,
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-0, wherein R a is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium,
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-0, wherein R 1 , R 2 , R 3 , R 4 , R', R", R m , R IV , R v is independently from another selected from the group consisting of: hydrogen, deuterium,
  • C 1 - C 18 - a I ky I which is optionally substituted with one or more substituents R 5 and wherein one or more non-adjacent CFh-groups are optionally substituted by R 5
  • R 5 is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium, N(R 6 ) 2 , OR 6 , Si(R 6 ) 3 , B(R 6 ) 2 , CF 3 , CN, F, Br, I,
  • the organic molecule comprises or consists of a structure of formula llle-Ob
  • the organic molecule comprises or consists of a structure of formula I lie
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula I lie, wherein R v is selected from
  • N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula I lie, wherein R v forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula I lie, wherein at least one substituent selected from the group consisting of R 1 , R 2 , R IN , R IV , R v forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 1 , R 2 , R 3 , R 4 ,
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula I lie, wherein R 3 is independently from another selected from the group consisting of:
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula I lie, wherein R 3 is independently from another selected from the group consisting of:
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula I lie, wherein R a is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium,
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula I lie, wherein R a is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium,
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula I lie, wherein R a is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium,
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula I lie, wherein R 1 , R 2 , R 3 , R 4 , R', R", R m , R IV , R v is independently from another selected from the group consisting of: hydrogen, deuterium, N(R 5 ) 2 ,
  • R 5 is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium, N(R 6 ) 2 , OR 6 , Si(R 6 ) 3 , B(R 6 ) 2 , CF 3 , CN, F, Br, I,
  • C 1 - C 18 - a I ky I which is optionally substituted with one or more substituents R 6 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6
  • the organic molecule comprises or consists of a structure of formula llle-2
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-2, wherein R v is selected from
  • N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-2, wherein R v forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-2, wherein at least one substituent selected from the group consisting of R 1 , R 2 , R IN , R IV , R v forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 1 , R 2 , R 3 , R 4 ,
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-2, wherein R 3 is independently from another selected from the group consisting of:
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-2, wherein R 3 is independently from another selected from the group consisting of:
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-2, wherein R a is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium,
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-2, wherein R a is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium,
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-2, wherein R a is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium,
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-2, wherein R 1 , R 2 , R 3 , R 4 , R', R", R m , R IV , R v is independently from another selected from the group consisting of: hydrogen, deuterium,
  • R 5 is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium, N(R 6 ) 2 , OR 6 , Si(R 6 ) 3 , B(R 6 ) 2 , CF 3 , CN, F, Br, I,
  • C 1 - C 18 - a I ky I which is optionally substituted with one or more substituents R 6 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6
  • the organic molecule comprises or consists of a structure of formula llle-3 In a preferred embodiment of the invention, the organic molecule comprises or consists of a structure of formula llle-4
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-4, wherein R v is selected from
  • N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-4, wherein R v forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-4, wherein at least one substituent selected from the group consisting of R 1 , R 2 , R IN , R IV , R v forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 1 , R 2 , R 3 , R 4 ,
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-4, wherein R 3 is independently from another selected from the group consisting of:
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-4, wherein R 3 is independently from another selected from the group consisting of:
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-4, wherein R a is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium,
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-4, wherein R a is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium,
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-4, wherein R a is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium,
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula llle-4, wherein R 1 , R 2 , R 3 , R 4 , R', R", R m , R IV , R v is independently from another selected from the group consisting of: hydrogen, deuterium,
  • C 1 - C 18 - a I ky I which is optionally substituted with one or more substituents R 5 and wherein one or more non-adjacent CFh-groups are optionally substituted by R 5
  • R 5 is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium, N(R 6 ) 2 , OR 6 , Si(R 6 ) 3 , B(R 6 ) 2 , CF 3 , CN, F, Br, I,
  • At least one substituent selected from the group of R 1 , R 2 , R 3 , R 4 , R', R", R m , R IV and R v is different from hydrogen.
  • the present invention also provides an oligomer for the use as an emitter in an optoelectronic device.
  • the oligomer comprises or consists of a plurality (i.e. 2, 3, 4, 5, or 6) of units represented by the formula IV
  • - may be in a form having a plurality of the units shown as formula IV, or
  • - may be in a form in which a plurality of the units shown as formula IV are linked via a linking group selected from the group consisting of a single bond, an alkylene group having 1 to 3 carbon atoms, a phenylene group, or a naphthylene group, a anthracene group, a pyrene group, or a pyridine group, pyrimidin group or triazine group, or - may be in a form in which a plurality of the units are linked such that ring a and/or ring b contained in the unit according to Formula l-AB
  • Formula l-AB is shared by at least one other adjacent unit of the oligomer, or
  • - may be in a form in which units of the oligomer are linked such that ring a and/or ring b of a unit is fused with ring a and/or ring b of an adjacent unit of the oligomer;
  • - may be in a form in which a plurality of the units are linked such that ring a and/or ring b and/or ring c contained in the unit according to Formula l-ABC
  • Formula l-ABC is shared by at least one other adjacent unit of the oligomer, or
  • - may be in a form in which units of the oligomer are linked such that ring a and/or ring b and/or ring c of a unit is fused with ring a and/or ring b and/or ring c of an adjacent unit of the oligomer, wherein if ring b and ring c of one unit of the oligomer is shared by ring b and ring c of an adjacent oligomer, the direct bond between ring b and ring c may be also shared, as shown in the following exemplary structure: and wherein any substituent R a , R d , R e , R IV , R v , R 2 , R 1 , R', R", R m , R 3 or R 4 of a unit shown in formula IV may be bonded to any substituent R a , R d , R e , R IV , R v , R 2 , R 1 , R', R", R m
  • oligomer comprises or consists of a structure selected from the following group:
  • R 1 , R 2 , R 3 , R 4 , R', R", R m , R IV , R v is independently from another selected from the group consisting of: hydrogen, deuterium,
  • CN halogen, C 1 -C 18 -alkyl, which is optionally substituted with one or more substituents R 5 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 5
  • R 5 is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium, N(R 6 ) 2 , OR 6 , Si(R 6 ) 3 , B(R 6 ) 2 , CF 3 , CN, F, Br, I,
  • C 1 - C 18 - a I ky I which is optionally substituted with one or more substituents R 6 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6
  • R 1 , R 2 , R 3 , R 4 , R', R", R m , R IV , R v is independently from another selected from the group consisting of: hydrogen, deuterium,
  • R 5 is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium, N(R 6 ) 2 , OR 6 , Si(R 6 ) 3 , B(R 6 ) 2 , CF 3 , CN, F, Br, I,
  • C 1 - C 18 - a I ky I which is optionally substituted with one or more substituents R 6 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6
  • R 1 , R 2 , R 3 , R 4 , R', R", R m , R IV , R v , R a is independently from another selected from the group consisting of: hydrogen, deuterium,
  • R 5 is at each occurrence independently from another selected from the group consisting of: hydrogen, deuterium, N(R 6 ) 2 , OR 6 , Si(R 6 ) 3 , B(OR 6 ) 2 , B(R 6 ) 2 , 0S0 2 R 6 , CF 3 , CN, F, Br, I,
  • C -C 18 - a I ky I which is optionally substituted with one or more substituents R 6 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6
  • C 1 -C 18 -alkoxy which is optionally substituted with one or more substituents R 6 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6
  • C 1 -C 18 -thioalkoxy which is optionally substituted with one or more substituents R 6 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6
  • C 2 -C 18 -alkenyl which is optionally substituted with one or more substituents R 6 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6
  • C 2 -C 18 -alkynyl which is optionally substituted with one or more substituents R 6 and wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6
  • the organic molecule consists of a dimer or trimer, wherein R 1 , R 2 , R a , R d , R e , R', R", R m , R IV and R v is at each occurrence independently from another selected from the group consisting of: hydrogen,
  • Ph which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph
  • pyridinyl which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph
  • pyrimidinyl which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph
  • carbazolyl which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph
  • triazinyl which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph
  • the organic molecule/oligomer comprises or consists of a structure of formula IV, wherein at least one R a is different from hydrogen.
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula IV, with the proviso, if X is NR 3 and R d and R e are connected to each other to form an aromatic ring system, R v is selected from
  • N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic molecule/oligomer comprises or consists of a structure of formula IV, wherein X is at each occurrence independently from another selected from the group consisting of a direct bond, NR 3 , CR 3 R 4 , S and O.
  • the organic molecule/oligomer comprises or consists of a structure of formula IV, wherein X is at each occurrence independently from another selected from the group consisting of a direct bond, NR 3 , S and O.
  • the organic molecule/oligomer comprises or consists of a structure of formula IV, wherein X is at each occurrence independently from another selected from the group consisting of a direct bond and NR 3 .
  • the organic molecule/oligomer comprises or consists of a structure of formula IV, wherein X is NR 3 .
  • the organic molecule/oligomer comprises or consists of a structure of formula IV, wherein R 3 is independently from another selected from the group consisting of: C 1 -C 4 o-alkyl, which is optionally substituted with one or more substituents R 5 ;
  • the organic molecule/oligomer comprises or consists of a structure of formula IV, wherein R v is at each occurrence independently from another selected from the group consisting of:
  • C 6 -C 18 -aryl which is optionally substituted with one or more substituents R 5 ; and C 2 -C 17 -heteroaryl, wherein the R v independently from each other, optionally form a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R IV , which is optionally substituted with one or more C 1 -C 5 -alkyl substituents, deuterium, halogen, CN or CF 3 .
  • the organic molecule/oligomer comprises or consists of a structure of formula IVa-0, and formula IVb-0 (dimers):
  • the organic molecule/oligomer comprises or consists of a structure of formula IVa, and formula IVb-0: In one embodiment of the invention, the organic molecule/oligomer comprises or consists of a structure of formula IVa, formula and formula IVb-0, wherein at least one R a is different from hydrogen.
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula IVa, and formula IVb-0, with the proviso, if X is NR 3 and R d and R e are connected to each other to form an aromatic ring system, R v is selected from N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic molecule/oligomer comprises or consists of a structure of formula IVa, and formula IVb-0, wherein X is at each occurrence independently from another selected from the group consisting of a direct bond, NR 3 , CR 3 R 4 , S and O.
  • the organic molecule/oligomer comprises or consists of a structure of formula IVa, and formula IVb-0, wherein X is at each occurrence independently from another selected from the group consisting of a direct bond, NR 3 , S and O.
  • the organic molecule/oligomer comprises or consists of a structure of formula IVa, and formula IVb-0, wherein X is at each occurrence independently from another selected from the group consisting of a direct bond and NR 3 .
  • the organic molecule/oligomer comprises or consists of a structure of formula IVa, and formula IVb-0, wherein X is NR 3 .
  • the organic molecule/oligomer comprises or consists of a structure of formula IVa, and formula IVb-0, wherein R 3 is independently from another selected from the group consisting of: C 1 -C 4 o-alkyl, which is optionally substituted with one or more substituents R 5 ;
  • the organic molecule/oligomer comprises or consists of a structure of formula IVa, and formula IVb-0, wherein R v is at each occurrence independently from another selected from the group consisting of:
  • C 6 -C 18 -aryl which is optionally substituted with one or more substituents R 5 ; and C 2 -C 17 -heteroaryl, wherein the R v independently from each other, optionally form a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R IV , which is optionally substituted with one or more C 1 -C 5 -alkyl substituents, deuterium, halogen, CN or CF 3 .
  • the organic molecule/oligomer comprises or consists of a structure of formula IVa-0 (dimer): In a preferred embodiment of the invention, the organic molecule/oligomer comprises or consists of a structure of formula IVa
  • the organic molecule/oligomer comprises or consists of a structure of formula IVa-2
  • the organic molecule/oligomer comprises or consists of a structure of formula IVa-3
  • the organic molecule/oligomer comprises or consists of a structure of formula IVa-4
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-0 Formula IVb-0
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-0, wherein at least one R a is different from hydrogen.
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula IVb-0, with the proviso, if X is NR 3 and R d and R e are connected to each other to form an aromatic ring system, R v is selected from N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-0, wherein X is at each occurrence independently from another selected from the group consisting of a direct bond, NR 3 , CR 3 R 4 , S and O.
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-0, wherein X is at each occurrence independently from another selected from the group consisting of a direct bond, NR 3 , S and O.
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-0, wherein X is at each occurrence independently from another selected from the group consisting of a direct bond and NR 3 .
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-0, wherein X is NR 3 .
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-Oa
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-Oa, wherein at least one R a is different from hydrogen.
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula IVb-Oa, with the proviso, if X is NR 3 and R d and R e are connected to each other to form an aromatic ring system, R v is selected from N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-Oa, wherein X is at each occurrence independently from another selected from the group consisting of a direct bond, NR 3 , CR 3 R 4 , S and O.
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-Oa, wherein X is at each occurrence independently from another selected from the group consisting of a direct bond, NR 3 , S and O.
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-Oa, wherein X is at each occurrence independently from another selected from the group consisting of a direct bond and NR 3 .
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-Oa, wherein X is NR 3 .
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-Ob
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-Ob, wherein at least one R a is different from hydrogen.
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula IVb-Ob, with the proviso, if X is NR 3 , R v is selected from N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-Ob, wherein X is at each occurrence independently from another selected from the group consisting of a direct bond, NR 3 , CR 3 R 4 , S and O.
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-Ob, wherein X is at each occurrence independently from another selected from the group consisting of a direct bond, NR 3 , S and O.
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-Ob, wherein X is at each occurrence independently from another selected from the group consisting of a direct bond and NR 3 .
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-Ob, wherein X is NR 3 .
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-Oc
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-Oc, wherein at least one R a is different from hydrogen.
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula IVb-Oc, with the proviso, if X is NR 3 , R v is selected from N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-Oc, wherein X is at each occurrence independently from another selected from the group consisting of a direct bond, NR 3 , CR 3 R 4 , S and O.
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-Oc, wherein X is at each occurrence independently from another selected from the group consisting of a direct bond, NR 3 , S and O.
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-Oc, wherein X is at each occurrence independently from another selected from the group consisting of a direct bond and NR 3 .
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-Oc, wherein X is NR 3 .
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-2
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-3 Formula IVb-3
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-3, wherein at least one R a is different from hydrogen.
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula IVb-3, wherein R v is selected from
  • N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-4
  • the organic molecule/oligomer comprises or consists of a structure of formula IVb-4, wherein at least one R a is different from hydrogen.
  • the organic light-emitting molecule of the invention comprises or consists of a structure of formula IVb-3, wherein R v is selected from
  • N(R 5 ) 2 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more substituents R 2 , R 3 , R 5 , R IV .
  • the organic molecule/oligomer comprises or consists of a structure of formula IVc
  • the organic molecule/oligomer comprises or consists of a structure of formula IVc-2
  • the organic molecule/oligomer comprises or consists of a structure of formula IVd In a preferred embodiment of the invention, the organic molecule/oligomer comprises or consists of a structure of formula IVd-2
  • the organic molecule/oligomer comprises or consists of a structure of formula IVe
  • the organic molecule/oligomer comprises or consists of a structure of formula IVe-2 Formula IVe-2.
  • aryl and aromatic may be understood in the broadest sense as any mono-, bi- or polycyclic aromatic moieties. Accordingly, an aryl group contains 6 to 60 aromatic ring atoms, and a heteroaryl group contains 5 to 60 aromatic ring atoms, of which at least one is a heteroatom. Notwithstanding, throughout the application the number of aromatic ring atoms may be given as subscripted number in the definition of certain substituents. In particular, the heteroaromatic ring includes one to three heteroatoms.
  • heteroaryl and “heteroaromatic” may be understood in the broadest sense as any mono-, bi- or polycyclic hetero-aromatic moieties that include at least one heteroatom.
  • the heteroatoms may at each occurrence be the same or different and be individually selected from the group consisting of N, O and S.
  • arylene refers to a divalent substituent that bears two binding sites to other molecular structures and thereby serving as a linker structure.
  • a group in the exemplary embodiments is defined differently from the definitions given here, for example, the number of aromatic ring atoms or number of heteroatoms differs from the given definition, the definition in the exemplary embodiments is to be applied.
  • a condensed (annulated) aromatic or heteroaromatic polycycle is built of two or more single aromatic or heteroaromatic cycles, which formed the polycycle via a condensation reaction.
  • aryl group or heteroaryl group comprises groups which can be bound via any position of the aromatic or heteroaromatic group, derived from benzene, naphthaline, anthracene, phenanthrene, pyrene, dihydropyrene, chrysene, perylene, fluoranthene, benzanthracene, benzphenanthrene, tetracene, pentacene, benzpyrene, furan, benzofuran, isobenzofuran, dibenzofuran, thiophene, benzothiophene, isobenzothiophene, dibenzothiophene; pyrrole, indole, isoindole, carbazole, pyridine, quinoline, isoquinoline, acridine, phenanthridine, benzo-5, 6-quinoline, benzo-6, 7-quinoline, benzo-7, 8-quinoline, phenothiophene
  • cyclic group may be understood in the broadest sense as any mono-, bi- or polycyclic moieties.
  • biphenyl as a substituent may be understood in the broadest sense as ortho-biphenyl, meta-biphenyl, or para-biphenyl, wherein ortho, meta and para is defined in regard to the binding site to another chemical moiety.
  • alkyl group may be understood in the broadest sense as any linear, branched, or cyclic alkyl substituent.
  • alkyl comprises the substituents methyl (Me), ethyl (Et), n-propyl ( n Pr), i-propyl ( i Pr), cyclopropyl, n-butyl ( n Bu), i- butyl ('Bu), s-butyl ( s Bu), t-butyl ( t Bu), cyclobutyl, 2-methylbutyl, n-pentyl, s-pentyl, t-pentyl, 2- pentyl, neo-pentyl, cyclopentyl, n-hexyl, s-hexyl, t-hexyl, 2-hexyl, 3-hexyl, neo-hexyl, cyclohexyl, 1-methylcycl
  • alkenyl comprises linear, branched, and cyclic alkenyl substituents.
  • alkenyl group comprises the substituents ethenyl, propenyl, butenyl, pentenyl, cyclopentenyl, hexenyl, cyclohexenyl, heptenyl, cycloheptenyl, octenyl, cyclooctenyl or cyclooctadienyl.
  • alkynyl comprises linear, branched, and cyclic alkynyl substituents.
  • alkynyl group for example, comprises ethynyl, propynyl, butynyl, pentynyl, hexynyl, heptynyl or octynyl.
  • alkoxy comprises linear, branched, and cyclic alkoxy substituents.
  • alkoxy group exemplarily comprises methoxy, ethoxy, n-propoxy, i- propoxy, n-butoxy, i-butoxy, s-butoxy, t-butoxy and 2-methylbutoxy.
  • thioalkoxy comprises linear, branched, and cyclic thioalkoxy substituents, in which the O of the exemplarily alkoxy groups is replaced by S.
  • halogen and “halo” may be understood in the broadest sense as being preferably fluorine, chlorine, bromine or iodine.
  • the organic molecules according to the invention have an excited state lifetime of not more than 5.0 ps, of not more than 2.5 ps, in particular of not more than 2.0 ps, more preferably of not more than 1.0 ps or not more than 0.7 ps in a film of poly(methyl methacrylate) (PMMA) with 1 % to 5 %, in particular with 2 % by weight of organic molecule at room temperature.
  • PMMA poly(methyl methacrylate)
  • the organic molecules according to the invention have an emission peak in the visible or nearest ultraviolet range, i.e. , in the range of a wavelength of from 380 to 800 nm, with a full width at half maximum of less than 0.25 eV, preferably less than 0.22 eV, more preferably less than 0.18 eV, even more preferably less than 0.15 eV or even less than 0.12 eV in a film of poly(methyl methacrylate) (PMMA) with 1 % to 5 %, in particular with 2 % by weight of organic molecule at room temperature.
  • PMMA poly(methyl methacrylate)
  • Orbital and excited state energies can be determined either by means of experimental methods.
  • the energy of the highest occupied molecular orbital E HOMO is determined by methods known to the person skilled in the art from cyclic voltammetry measurements with an accuracy of 0.1 eV.
  • the energy of the lowest unoccupied molecular orbital E LUMO is calculated as E HOMO + E gap , wherein E gap is determined as follows: For host compounds, the onset of the emission spectrum of a film with 10 % by weight of host in poly(methyl methacrylate) (PMMA) is used as E gap , unless stated otherwise.
  • E gap is determined as the energy at which the excitation and emission spectra of a film with 1 % to 5 %, in particular with 2 % by weight of emitter in PMMA cross.
  • E gap is determined as the energy at which the excitation and emission spectra of a film with 1 % to 5 %, in particular with 2 % by weight of emitter in PMMA cross.
  • the energy of the first excited triplet state T1 is determined from the onset of the emission spectrum at low temperature, typically at 77 K.
  • the phosphorescence is usually visible in a steady-state spectrum in 2-Me-THF.
  • the triplet energy can thus be determined as the onset of the phosphorescence spectrum.
  • the energy of the first excited triplet state T1 is determined from the onset of the delayed emission spectrum at 77 K, if not otherwise stated, measured in a film of PMMA with 1 % to 5 %, in particular with 2 % by weight of emitter and in case of the organic molecules according to the invention with 1 % to 5 %, in particular with 2 % by weight of the organic molecules according to the invention.
  • the energy of the first excited singlet state S1 is determined from the onset of the emission spectrum, if not otherwise stated, measured in a film of PMMA with 10 % by weight of host or emitter compound and in case of the organic molecules according to the invention with 1 % to 5 %, in particular with 2 % by weight of the organic molecules according to the invention.
  • the onset of an emission spectrum is determined by computing the intersection of the tangent to the emission spectrum with the x-axis.
  • the tangent to the emission spectrum is set at the high-energy side of the emission band and at the point at half maximum of the maximum intensity of the emission spectrum.
  • a further aspect of the invention relates to the use of an organic molecule of the invention as a luminescent emitter or as an absorber, and/or as a host material and/or as an electron transport material, and/or as a hole injection material, and/or as a hole blocking material in an optoelectronic device.
  • a preferred embodiment relates to the use of an organic molecule according to the invention as a luminescent emitter in an optoelectronic device.
  • the optoelectronic device may be understood in the broadest sense as any device based on organic materials that is suitable for emitting light in the visible or nearest ultraviolet (UV) range, i.e. , in the range of a wavelength of from 380 to 800 nm. More preferably, the optoelectronic device may be able to emit light in the visible range, i.e., of from 400 nm to 800 nm.
  • UV visible or nearest ultraviolet
  • the optoelectronic device is more particularly selected from the group consisting of:
  • OLEDs organic light-emitting diodes
  • the optoelectronic device is a device selected from the group consisting of an organic light emitting diode (OLED), a light emitting electrochemical cell (LEC), and a light-emitting transistor.
  • OLED organic light emitting diode
  • LEC light emitting electrochemical cell
  • the fraction of the organic molecule according to the invention in the emission layer in an optoelectronic device, more particularly in an OLED is 0.1 % to 99 % by weight, more particularly 1 % to 80 % by weight. In an alternative embodiment, the proportion of the organic molecule in the emission layer is 100 % by weight.
  • the light-emitting layer comprises not only the organic molecules according to the invention, but also a host material whose triplet (T1) and singlet (S1) energy levels are energetically higher than the triplet (T1) and singlet (S1) energy levels of the organic molecule.
  • a further aspect of the invention relates to a composition
  • a composition comprising or consisting of:
  • the light-emitting layer comprises (or essentially consists of) a composition comprising or consisting of:
  • the light-emitting layer EML comprises (or essentially consists of) a composition comprising or consisting of:
  • energy can be transferred from the host compound H to the one or more organic molecules according to the invention, in particular transferred from the first excited triplet state T 1 (H) of the host compound H to the first excited triplet state T 1 (E) of the one or more organic molecules according to the invention E and/ or from the first excited singlet state S1(H) of the host compound H to the first excited singlet state S1(E) of the one or more organic molecules according to the invention E.
  • the host compound H has a highest occupied molecular orbital HOMO(H) having an energy E HOMO (H) in the range of from -5 to -6.5 eV and the at least one further host compound D has a highest occupied molecular orbital HOMO(D) having an energy E HOMO (D), wherein E HOMO (H) > E HOMO (D).
  • the host compound H has a lowest unoccupied molecular orbital LUMO(H) having an energy E LUMO (H) and the at least one further host compound D has a lowest unoccupied molecular orbital LUMO(D) having an energy E LUMO (D), wherein E LUMO (H)
  • the host compound H has a highest occupied molecular orbital HOMO(H) having an energy E HOMO (H) and a lowest unoccupied molecular orbital LUMO(H) having an energy E LUMO (H)
  • the at least one further host compound D has a highest occupied molecular orbital HOMO(D) having an energy E HOMO (D) and a lowest unoccupied molecular orbital LUMO(D) having an energy E LUMO (D)
  • the organic molecule according to the invention E has a highest occupied molecular orbital HOMO(E) having an energy E HOMO (E) and a lowest unoccupied molecular orbital LUMO(E) having an energy E LUMO (E), wherein E HOMO (H) > ⁇ HOMO ) 3 nd the difference between the energy level of the highest occupied molecular orbital HOMO(E) of the organic molecule according to the invention E (E HOMO (E)) and the energy level of the
  • the host compound D and/ or the host compound H is a thermally-activated delayed fluorescence (TADF)-material.
  • TADF materials exhibit a AEST value, which corresponds to the energy difference between the first excited singlet state (S1) and the first excited triplet state (T1), of less than 2500 cm 1 .
  • the TADF material exhibits a AEST value of less than 3000 cm -1 , more preferably less than 1500 cm -1 , even more preferably less than 1000 cm -1 or even less than 500 cm -1 .
  • the host compound D is a TADF material and the host compound H exhibits a AEST value of more than 2500 cm -1 .
  • the host compound D is a TADF material and the host compound H is selected from group consisting of CBP, mCP, mCBP, 9-[3-(dibenzofuran-2-yl)phenyl]-9H-carbazole, 9-[3-(dibenzofuran-2-yl)phenyl]- 9H-carbazole, 9-[3-(dibenzothiophen-2-yl)phenyl]-9H-carbazole, 9-[3,5-bis(2- dibenzofuranyl)phenyl]-9H-carbazole and 9-[3,5-bis(2-dibenzothiophenyl)phenyl]-9H- carbazole.
  • the host compound H is a TADF material and the host compound D exhibits a AEST value of more than 2500 cm -1 .
  • the host compound H is a TADF material and the host compound D is selected from group consisting of T2T (2,4,6- tris(biphenyl-3-yl)-1 ,3,5-triazine), T3T (2,4,6-tris(triphenyl-3-yl)-1 ,3,5-triazine) and/or TST (2,4,6-tris(9,9'-spirobifluorene-2-yl)-1,3,5-triazine).
  • the invention relates to an optoelectronic device comprising an organic molecule or a composition of the type described here, more particularly in the form of a device selected from the group consisting of organic light-emitting diode (OLED), light-emitting electrochemical cell, OLED sensor, more particularly gas and vapour sensors not hermetically externally shielded, organic diode, organic solar cell, organic transistor, organic field-effect transistor, organic laser and down-conversion element.
  • OLED organic light-emitting diode
  • OLED sensor more particularly gas and vapour sensors not hermetically externally shielded
  • organic diode organic solar cell
  • organic transistor organic field-effect transistor
  • organic laser and down-conversion element organic laser and down-conversion element
  • the optoelectronic device is a device selected from the group consisting of an organic light emitting diode (OLED), a light emitting electrochemical cell (LEC), and a light-emitting transistor.
  • OLED organic light emitting diode
  • LEC light emitting electrochemical cell
  • the organic molecule according to the invention E is used as emission material in a light-emitting layer EML.
  • the light-emitting layer EML consists of the composition according to the invention described here.
  • the optoelectronic device is an OLED, it may, for example, have the following layer structure:
  • cathode layer wherein the OLED comprises each layer selected from the group of HIL, HTL, EBL, HBL, ETL, and EIL only optionally, different layers may be merged and the OLED may comprise more than one layer of each layer type defined above.
  • the optoelectronic device may, in one embodiment, comprise one or more protective layers protecting the device from damaging exposure to harmful species in the environment including, for example, moisture, vapor and/or gases.
  • the optoelectronic device is an OLED, with the following inverted layer structure:
  • anode layer A wherein the OLED comprises each layer selected from the group of HIL, HTL, EBL, HBL, ETL, and EIL only optionally, different layers may be merged and the OLED may comprise more than one layer of each layer types defined above.
  • the optoelectronic device is an OLED, which may have a stacked architecture.
  • this architecture contrary to the typical arrangement in which the OLEDs are placed side by side, the individual units are stacked on top of each other.
  • Blended light may be generated with OLEDs exhibiting a stacked architecture, in particular white light may be generated by stacking blue, green and red OLEDs.
  • the OLED exhibiting a stacked architecture may comprise a charge generation layer (CGL), which is typically located between two OLED subunits and typically consists of a n-doped and p-doped layer with the n-doped layer of one CGL being typically located closer to the anode layer.
  • CGL charge generation layer
  • the optoelectronic device is an OLED, which comprises two or more emission layers between anode and cathode.
  • this so-called tandem OLED comprises three emission layers, wherein one emission layer emits red light, one emission layer emits green light and one emission layer emits blue light, and optionally may comprise further layers such as charge generation layers, blocking or transporting layers between the individual emission layers.
  • the emission layers are adjacently stacked.
  • the tandem OLED comprises a charge generation layer between each two emission layers.
  • adjacent emission layers or emission layers separated by a charge generation layer may be merged.
  • the substrate may be formed by any material or composition of materials. Most frequently, glass slides are used as substrates. Alternatively, thin metal layers (e.g., copper, gold, silver or aluminum films) or plastic films or slides may be used. This may allow for a higher degree of flexibility.
  • the anode layer A is mostly composed of materials allowing to obtain an (essentially) transparent film. As at least one of both electrodes should be (essentially) transparent in order to allow light emission from the OLED, either the anode layer A or the cathode layer C is transparent.
  • the anode layer A comprises a large content or even consists of transparent conductive oxides (TCOs).
  • Such anode layer A may, for example, comprise indium tin oxide, aluminum zinc oxide, fluorine doped tin oxide, indium zinc oxide, PbO, SnO, zirconium oxide, molybdenum oxide, vanadium oxide, tungsten oxide, graphite, doped Si, doped Ge, doped GaAs, doped polyaniline, doped polypyrrol and/or doped polythiophene.
  • the anode layer A (essentially) may consist of indium tin oxide (ITO) (e.g., (ln0 3 )o .9 (SnC> 2 )o .i ).
  • the roughness of the anode layer A caused by the transparent conductive oxides (TCOs) may be compensated by using a hole injection layer (HIL). Further, the HIL may facilitate the injection of quasi charge carriers (i.e., holes) in that the transport of the quasi charge carriers from the TCO to the hole transport layer (HTL) is facilitated.
  • the hole injection layer (HIL) may comprise poly-3, 4-ethylendioxy thiophene (PEDOT), polystyrene sulfonate (PSS), M0O2, V2O5, CuPC or Cul, in particular a mixture of PEDOT and PSS.
  • the hole injection layer (HIL) may also prevent the diffusion of metals from the anode layer A into the hole transport layer (HTL).
  • the HIL may, for example, comprise PEDOT:PSS (poly-3, 4-ethylendioxy thiophene: polystyrene sulfonate), PEDOT (poly-3, 4-ethylendioxy thiophene), mMTDATA (4, 4', 4"- tris[phenyl(m-tolyl)amino]triphenylamine), Spiro-TAD (2,2',7,7'-tetrakis(n,n-diphenylamino)- 9,9’-spirobifluorene), DNTPD (N1 ,NT-(biphenyl-4,4'-diyl)bis(N1-phenyl-N4,N4-di-m- tolylbenzene-1, 4-diamine), NPB (N,N'-nis-(1-naphthalenyl)-N,N'-bis-phenyl-(1 ,T-biphenyl)- 4,4
  • a hole transport layer Adjacent to the anode layer A or hole injection layer (HIL), a hole transport layer (HTL) is typically located.
  • HTL hole transport layer
  • any hole transport compound may be used.
  • electron- rich heteroaromatic compounds such as triarylamines and/or carbazoles may be used as hole transport compound.
  • the HTL may decrease the energy barrier between the anode layer A and the light-emitting layer EML.
  • the hole transport layer (HTL) may also be an electron blocking layer (EBL).
  • EBL electron blocking layer
  • hole transport compounds bear comparably high energy levels of their triplet states T1.
  • the hole transport layer may comprise a star-shaped heterocycle such as tris(4-carbazoyl-9-ylphenyl)amine (TCTA), poly-TPD (poly(4- butylphenyl-diphenyl-amine)), [alpha]-NPD (poly(4-butylphenyl-diphenyl-amine)), TAPC (4,4 - cyclohexyliden-bis[N,N-bis(4-methylphenyl)benzenamine]), 2-TNATA (4,4',4"-tris[2- naphthyl(phenyl)amino]triphenylamine), Spiro-TAD, DNTPD, NPB, NPNPB, MeO-TPD, HAT- CN and/or TrisPcz (9,9'-diphenyl-6-(9-phenyl-9H-carbazol-3-yl)-9H,9'H-3,3'-bicarbazole).
  • TCTA tris(4-car
  • the HTL may comprise a p-doped layer, which may be composed of an inorganic or organic dopant in an organic hole-transporting matrix.
  • Transition metal oxides such as vanadium oxide, molybdenum oxide or tungsten oxide may, for example, be used as inorganic dopant.
  • Tetrafluorotetracyanoquinodimethane (F4-TCNQ), copper-pentafluorobenzoate (Cu(l)pFBz) or transition metal complexes may, for example, be used as organic dopant.
  • the EBL may, for example, comprise mCP (1,3-bis(carbazol-9-yl)benzene), TCTA, 2-TNATA, mCBP (3,3-di(9H-carbazol-9-yl)biphenyl), tris-Pcz, CzSi (9-(4-tert-Butylphenyl)-3,6- bis(triphenylsilyl)-9H-carbazole), and/or DCB (N,N'-dicarbazolyl-1,4-dimethylbenzene).
  • the light-emitting layer EML Adjacent to the hole transport layer (HTL), the light-emitting layer EML is typically located.
  • the light-emitting layer EML comprises at least one light emitting molecule.
  • the EML comprises at least one light emitting molecule according to the invention E.
  • the light-emitting layer comprises only the organic molecules according to the invention.
  • the EML additionally comprises one or more host materials H.
  • the host material H is selected from CBP (4,4'-Bis-(N-carbazolyl)-biphenyl), mCP, mCBP Sif87 (dibenzo[b,d]thiophen-2-yltriphenylsilane), CzSi, Sif88 (dibenzo[b,d]thiophen-2- yl)diphenylsilane), DPEPO (bis[2-(diphenylphosphino)phenyl] ether oxide), 9-[3- (dibenzofuran-2-yl)phenyl]-9H-carbazole, 9-[3-(dibenzofuran-2-yl)phenyl]-9H-carbazole, 9-[3- (dibenzothiophen-2-yl)phenyl]-9H-carbazole, 9-[3,5-bis(2-dibenzofuranyl)phenyl]-9H- carbazole, 9-[3,5-bis(2-
  • the EML comprises a so-called mixed-host system with at least one hole-dominant host and one electron-dominant host.
  • the EML comprises exactly one light emitting organic molecule according to the invention and a mixed-host system comprising T2T as electron-dominant host and a host selected from CBP, mCP, mCBP, 9-[3-(dibenzofuran-2-yl)phenyl]-9H-carbazole, 9-[3-(dibenzofuran-2-yl)phenyl]- 9H-carbazole, 9-[3-(dibenzothiophen-2-yl)phenyl]-9H-carbazole, 9-[3,5-bis(2- dibenzofuranyl)phenyl]-9H-carbazole and 9-[3,5-bis(2-dibenzothiophenyl)phenyl]-9H- carbazole as hole-dominant host.
  • the EML comprises 50-80 % by weight, preferably 60-75 % by weight of a host selected from CBP, mCP, mCBP, 9-[3- (dibenzofuran-2-yl)phenyl]-9H-carbazole, 9-[3-(dibenzofuran-2-yl)phenyl]-9H-carbazole, 9-[3- (dibenzothiophen-2-yl)phenyl]-9H-carbazole, 9-[3,5-bis(2-dibenzofuranyl)phenyl]-9H- carbazole and 9-[3,5-bis(2-dibenzothiophenyl)phenyl]-9H-carbazole; 10-45 % by weight, preferably 15-30 % by weight of T2T and 5-40 % by weight, preferably 10-30 % by weight of light emitting molecule according to the invention.
  • a host selected from CBP, mCP, mCBP
  • an electron transport layer Adjacent to the light-emitting layer EML, an electron transport layer (ETL) may be located.
  • ETL electron transport layer
  • any electron transporter may be used.
  • electron-poor compounds such as, e.g., benzimidazoles, pyridines, triazoles, oxadiazoles (e.g., 1,3,4-oxadiazole), phosphinoxides and sulfone, may be used.
  • An electron transporter may also be a star-shaped heterocycle such as 1, 3, 5-tri(1 -phenyl-1 H-benzo[d]imidazol-2-yl)phenyl (TPBi).
  • the ETL may comprise NBphen (2,9-bis(naphthalen-2-yl)-4,7-diphenyl-1,10-phenanthroline), Alq3 (Aluminum-tris(8-hydroxyquinoline)), TSP01 (diphenyl-4-triphenylsilylphenyl-phosphinoxide), BPyTP2 (2,7-di(2,2'-bipyridin-5-yl)triphenyle), Sif87 (dibenzo[b,d]thiophen-2-yltriphenylsilane), Sif88 (dibenzo[b,d]thiophen-2-yl)diphenylsilane), BmPyPhB (1,3-bis[3,5-di(pyridin-3- yl)phenyl]benzene) and/or BTB (4,4'-bis-[2-(4,6-diphenyl-1 ,3,5-triazinyl)]-1 , 1 '-bi
  • a cathode layer C Adjacent to the electron transport layer (ETL), a cathode layer C may be located.
  • the cathode layer C may, for example, comprise or may consist of a metal (e.g., Al, Au, Ag, Pt, Cu, Zn, Ni, Fe, Pb, LiF, Ca, Ba, Mg, In, W, or Pd) or a metal alloy.
  • the cathode layer may also consist of (essentially) intransparent metals such as Mg, Ca or Al.
  • the cathode layer C may also comprise graphite and or carbon nanotubes (CNTs).
  • the cathode layer C may also consist of nanoscalic silver wires.
  • An OLED may further, optionally, comprise a protection layer between the electron transport layer (ETL) and the cathode layer C (which may be designated as electron injection layer (EIL)).
  • This layer may comprise lithium fluoride, cesium fluoride, silver, Liq (8- hydroxyquinolinolatolithium), LhO, BaF2, MgO and/or NaF.
  • the electron transport layer (ETL) and/or a hole blocking layer (HBL) may also comprise one or more host compounds H.
  • the light-emitting layer EM L may further comprise one or more further emitter molecules F.
  • Such an emitter molecule F may be any emitter molecule known in the art.
  • Preferably such an emitter molecule F is a molecule with a structure differing from the structure of the molecules according to the invention E.
  • the emitter molecule F may optionally be a TADF emitter.
  • the emitter molecule F may optionally be a fluorescent and/or phosphorescent emitter molecule which is able to shift the emission spectrum and/or the absorption spectrum of the light-emitting layer EML.
  • the triplet and/or singlet excitons may be transferred from the organic emitter molecule according to the invention to the emitter molecule F before relaxing to the ground state SO by emitting light typically red- shifted in comparison to the light emitted by an organic molecule.
  • the emitter molecule F may also provoke two-photon effects (i.e., the absorption of two photons of half the energy of the absorption maximum).
  • an optoelectronic device may, for example, be an essentially white optoelectronic device.
  • a white optoelectronic device may comprise at least one (deep) blue emitter molecule and one or more emitter molecules emitting green and/or red light. Then, there may also optionally be energy transmittance between two or more molecules as described above.
  • the designation of the colors of emitted and/or absorbed light is as follows: violet: wavelength range of >380-420 nm; deep blue: wavelength range of >420-480 nm; sky blue: wavelength range of >480-500 nm; green: wavelength range of >500-560 nm; yellow: wavelength range of >560-580 nm; orange: wavelength range of >580-620 nm; red: wavelength range of >620-800 nm.
  • a deep blue emitter has an emission maximum in the range of from >420 to 480 nm
  • a sky blue emitter has an emission maximum in the range of from >480 to 500 nm
  • a green emitter has an emission maximum in a range of from >500 to 560 nm
  • a red emitter has an emission maximum in a range of from >620 to 800 nm.
  • a deep blue emitter may preferably have an emission maximum of below 480 nm, more preferably below 470 nm, even more preferably below 465 nm or even below 460 nm. It will typically be above 420 nm, preferably above 430 nm, more preferably above 440 nm or even above 450 nm.
  • a green emitter has an emission maximum of below 560 nm, more preferably below 550 nm, even more preferably below 545 nm or even below 540 nm. It will typically be above 500 nm, more preferably above 510 nm, even more preferably above 515 nm or even above 520 nm.
  • a further aspect of the present invention relates to an OLED, which exhibits an external quantum efficiency at 1000 cd/m 2 of more than 8 %, more preferably of more than 10 %, more preferably of more than 13 %, even more preferably of more than 15 % or even more than 20 % and/or exhibits an emission maximum between 420 nm and 500 nm, preferably between 430 nm and 490 nm, more preferably between 440 nm and 480 nm, even more preferably between 450 nm and 470 nm and/or exhibits a LT80 value at 500 cd/m 2 of more than 100 h, preferably more than 200 h, more preferably more than 400 h, even more preferably more than 750 h or even more than 1000 h.
  • a further aspect of the present invention relates to an OLED, whose emission exhibits a CIEy color coordinate of less than 0.45, preferably less than 0.30, more preferably less than 0.20 or even more preferably less than 0.15 or even less than 0.10.
  • a further aspect of the present invention relates to an OLED, which emits light at a distinct color point.
  • the OLED emits light with a narrow emission band (small full width at half maximum (FWHM)).
  • FWHM full width at half maximum
  • the OLED according to the invention emits light with a FWHM of the main emission peak of less than 0.25 eV, preferably less than 0.20 eV, more preferably less than 0.17 eV, even more preferably less than 0.15 eV or even less than 0.13 eV.
  • UHD Ultra High Definition
  • a further aspect of the present invention relates to an OLED, whose emission exhibits a CIEx color coordinate of between 0.02 and 0.30, preferably between 0.03 and 0.25, more preferably between 0.05 and 0.20 or even more preferably between 0.08 and 0.18 or even between 0.10 and 0.15 and/ or a Cl Ey color coordinate of between 0.00 and 0.45, preferably between 0.01 and 0.30, more preferably between 0.02 and 0.20 or even more preferably between 0.03 and 0.15 or even between 0.04 and 0.10.
  • UHD Ultra High Definition
  • a further aspect of the present invention relates to an OLED, whose emission exhibits a CIEx color coordinate of between 0.15 and 0.45 preferably between 0.15 and 0.35, more preferably between 0.15 and 0.30 or even more preferably between 0.15 and 0.25 or even between 0.15 and 0.20 and/ or a CIEy color coordinate of between 0.60 and 0.92, preferably between 0.65 and 0.90, more preferably between 0.70 and 0.88 or even more preferably between 0.75 and 0.86 or even between 0.79 and 0.84.
  • a further aspect of the present invention relates to an OLED, which exhibits an external quantum efficiency at 14500 cd/m 2 of more than 8%, more preferably of more than 10%, more preferably of more than 13%, even more preferably of more than 15% or even more than 17%, or even more than 20% and/or exhibits an emission maximum between 485 nm and 560 nm, preferably between 500 nm and 560 nm, more preferably between 510 nm and 550 nm, even more preferably between 515 nm and 540 nm and/or exhibits a LT97 value at 14500 cd/m 2 of more than 100 h, preferably more than 250 h, more preferably more than 50 h, even more preferably more than 750 h or even more than 1000 h.
  • the composition has a photoluminescence quantum yield (PLQY) of more than 20 %, preferably more than 30 %, more preferably more than 35 %, more preferably more than 40 %, more preferably more than 45 %, more preferably more than 50 %, more preferably more than 55 %, even more preferably more than 60 % or even more than 70 % at room temperature.
  • PLQY photoluminescence quantum yield
  • the invention relates to a method for producing an optoelectronic component.
  • an organic molecule of the invention is used.
  • the optoelectronic device, in particular the OLED according to the present invention can be fabricated by any means of vapor deposition and/ or liquid processing. Accordingly, at least one layer is prepared by means of a sublimation process, prepared by means of an organic vapor phase deposition process, prepared by means of a carrier gas sublimation process, solution processed or printed.
  • the methods used to fabricate the optoelectronic device, in particular the OLED according to the present invention are known in the art.
  • the different layers are individually and successively deposited on a suitable substrate by means of subsequent deposition processes.
  • the individual layers may be deposited using the same or differing deposition methods.
  • Vapor deposition processes for example, comprise thermal (co) evaporation, chemical vapor deposition and physical vapor deposition.
  • an AMOLED backplane is used as substrate.
  • the individual layer may be processed from solutions or dispersions employing adequate solvents.
  • Solution deposition process for example, comprise spin coating, dip coating and jet printing.
  • Liquid processing may optionally be carried out in an inert atmosphere (e.g., in a nitrogen atmosphere) and the solvent may be completely or partially removed by means known in the state of the art.
  • AAV1 I0 (1.00 equivalents), 3,5-dichloro-iodobenzene (10-1, 0.8 equivalents), palladium(ll) acetate (0.03 equivalents), 2-dicyclohexylphosphino-2',6'-dimethoxybiphenyl (S-Phos, CAS: 657408-07-6, 0.06 equivalents) and tribasic potassium phosphate (K 3 PO 4 ; 3.00 equivalents) are stirred under nitrogen atmosphere in a dioxane/water mixture at 90 °C for 12 h. After cooling down to room temperature (rt) the reaction mixture is extracted between DCM and brine and the phases are separated and then the solvent is removed under reduced pressure. The crude material is purified by column chromatography and 1-1 is obtained with a yield of 84%. GC-MS: 313.02 m/z.
  • AAV2 1-1 (1.00 equivalents), diphenylamine (CAS: 122-39-4, 2.5 equivalents), tris(dibenzylideneacetone)dipalladium(0) (CAS: 51364-51-3 , 0.01 equivalents), tri-tert-butyl phosphine (CAS: 13716-12-6, 0.04 equivalents) and sodium tert-butoxide (CAS: 865-48-5, 4.00 equivalents) are stirred under nitrogen atmosphere in dry toluene at 100 °C for 12 h. After cooling down to room temperature (rt) the reaction mixture is washed with water and brine and the phases are separated and then the solvent is removed under reduced pressure. The crude material is purified by recrystallization and I-2 is obtained with a yield of 45%. LC-MS: 578.40 m/z at rt: 4.69 min.
  • AAV3 I-2 (1.00 equivalents) is placed in a round bottom flask under nitrogen. The solvent (1 ,2-dichlorobenzene is added. Boron tribromide (CAS: 10294-33-4, 6.00 equivalents) is added dropwise and it is heated to 180°C. After cooling to rt, it is further cooled to 0°C. DIPEA (CAS: 7087-68-5, 10.00 equivalents) is added and it is stirred for 1h. The reaction mixture is washed with water and the phases are separated and then the solvent is removed under reduced pressure. The crude material is purified by column chromatography and P is obtained with a yield of 32%. LC-MS: 586 m/z at rt: 5.73 min.
  • AAV4 E1 (1.00 equivalents), Bis(pinacolato)diboron (CAS: 73183-34-3, 1.0 equivalents), Tris(dibenzylideneacetone)dipalladium (CAS: 51364-51-3, 0.02 equivalents), 2-
  • Dicyclohexylphosphino-2', 4', 6'-tri-isopropyl-1 ,1 '-biphenyl (X-Phos, CAS: 564483-18-7, 0.08 equivalents) and potassium acetate (KOAc; CAS: 127-08-2, 2.00 equivalents) are stirred under nitrogen atmosphere in dry toluene at 105 °C for 24 h. After cooling down to room temperature (rt) the reaction mixture is extracted between ethyl acetate and brine and the combined organic layers concentrated under reduced pressure. The crude material is purified by column chromatography or by recrystallization and I-4 is obtained as a solid.
  • AAV5 I-4 (1.00 equivalents), E2 (1.0 equivalents), tris(dibenzylideneacetone)dipalladium(0) (CAS: 51364-51-3 , 0.01 equivalents), S-Phos (CAS: 657408-07-6, 0.04 equivalents) and Potassium phosphate tribasic (K 3 PO 4 , CAS: 7778-53-2, 3.00 equivalents) are stirred under nitrogen atmosphere in a dioxane/water mixture at 100 °C for 2 h. After cooling down to room temperature (rt) the reaction mixture is washed with water and brine. The combined organic layers are dried over MgS04, filtered and concentrated under reduced pressure. The crude material is purified by recrystallization or column chromatography and I-5 is obtained as a solid.
  • AAV6 I-5 (1.00 equivalents) is placed in a round bottom flask under nitrogen.
  • the solvent (1 ,2-dichlorobenzene is added.
  • Boron tribromide (CAS: 10294-33-4, 4.00 equivalents) is added dropwise and it is heated to 180°C overnight. After cooling to rt, it is further cooled to 0°C.
  • DIPEA (CAS: 7087-68-5, 10.00 equivalents) is added and it is stirred for 1h.
  • the reaction mixture is washed with water and the phases are separated and then the solvent is removed under reduced pressure.
  • the crude material is purified by column chromatography or by recrystallization and P-1 is obtained as a solid.
  • AAV8: 1-6 (1.00 equivalents), E5 (1.00 equivalents), tris(dibenzylideneacetone)dipalladium(0) (CAS: 51364-51-3 , 0.01 equivalents), tri-tert-butyl phosphine (CAS: 13716-12-6, 0.04 equivalents) and sodium tert-butoxide (CAS: 865-48-5, 3.00 equivalents) are stirred under nitrogen atmosphere in dry toluene at 110 °C for 72 h. After cooling down to room temperature (rt) the reaction mixture is washed with water and brine and the phases are separated and then the solvent is removed under reduced pressure. The crude material is purified by recrystallization or column chromatography and I-7 is obtained as a solid.
  • AAV9: I-7 (1.00 equivalents) is placed in a round bottom flask under nitrogen.
  • the solvent (1,2-dichlorobenzene is added.
  • Boron tribromide (CAS: 10294-33-4, 4.00 equivalents) is added dropwise and it is heated to 180°C. After cooling to rt, it is further cooled to 0°C.
  • DIPEA (CAS: 7087-68-5, 10.00 equivalents) is added and it is stirred for 1h.
  • the reaction mixture is washed with water and the phases are separated and then the solvent is removed under reduced pressure.
  • the crude material is purified by column chromatography or by recrystallization and P-2 is obtained as a solid.
  • AAV10 E5 (1.05 equivalents), E6 (1.00 equivalents), tris(dibenzylideneacetone)dipalladium(0) (CAS: 51364-51-3 , 0.005 equivalents), Sodium tert- butoxide (NaOtBu, CAS: 865-48-5, 1.50 equivalents) and Tri-tert-butylphosphonium tetrafluoroborate (P(tBu)3HBF4; CAS: 131274-22-1 , 0.02 equivalents) are stirred under nitrogen atmosphere in dry toluene at 100 °C overnight. After cooling down to room temperature (rt) the reaction mixture is added water, the phases are separated and the combined organic layers dried over MgS0 4 , filtered and concentrated under reduced pressure. The crude material is purified by column chromatography or by recrystallization and I-8 is obtained as solid.
  • AAV11 : 1-8 (1.00 equivalents), E3 (1.2 equivalents), tris(dibenzylideneacetone)dipalladium(0) (CAS: 51364-51-3 , 0.01 equivalents), X-Phos (CAS: 564483-18-7, 0.04 equivalents) and Potassium phosphate tribasic (K 3 PO 4 , CAS: 7778-53-2, 2.00 equivalents) are stirred under nitrogen atmosphere in a THF/water mixture at 80 °C for 96 h. After cooling down to room temperature (rt) the reaction mixture is washed with water and brine, the combined organic layers are dried over MgSO 4 , filtered and concentrated under reduced pressure. The crude material is purified by recrystallization or column chromatography and I-9 is obtained as a solid.
  • the last reaction step was proceed as described in AAV9, where chlorobenzene was used as the solvent and where the reaction temperature was 135 °C.
  • the first reaction step was proceed as described in AAV7.
  • AAV12: 1-6 (2.00 equivalents), E7 (1.0 equivalents), tris(dibenzylideneacetone)dipalladium(0) (CAS: 51364-51-3 , 0.01 equivalents), tri-tert-butyl phosphine (CAS: 13716-12-6, 0.04 equivalents) and sodium tert-butoxide (CAS: 865-48-5, 6.00 equivalents) are stirred under nitrogen atmosphere in dry toluene at 110 °C for 72 h. After cooling down to room temperature (rt) the reaction mixture extracted between ethyl acetate and brine and the phases are separated and the solvent is removed under reduced pressure. The crude material is purified by recrystallization or by column chromatography and I-9 is obtained as a solid.
  • AAV13 I-9 (1.00 equivalents) is placed in a round bottom flask under nitrogen.
  • the solvent (1 ,2-dichlorobenzene is added.
  • Boron tribromide (CAS: 10294-33-4, 6.00 equivalents) is added dropwise and it is heated to 180°C . After cooling to rt, it is further cooled to 0°C.
  • DI PEA (CAS: 7087-68-5, 10.00 equivalents) is added and it is stirred for 1h.
  • the reaction mixture is washed with water and the phases are separated and then the solvent is removed under reduced pressure.
  • the crude material is purified by column chromatography or recrystallization and P-3 is obtained as a solid.
  • AAV14 E5 (2.10 equivalents), E8 (1.00 equivalents), tris(dibenzylideneacetone)- dipalladium(O) (CAS: 51364-51-3 , 0.01 equivalents), Sodium tert-butoxide (NaOtBu, CAS: 865-48-5, 3.15 equivalents) and Tri-tert-butylphosphine (P(tBu)3; CAS: 13716-12-6, 0.04 equivalents) are stirred under nitrogen atmosphere in dry toluene at 110 °C for 1 h. After cooling down to room temperature (rt) the reaction mixture is extracted between ethyl acetate and brine and the combined organic layers concentrated under reduced pressure. The crude material is purified by column chromatography or by recrystallization and 1-10 is obtained as solid.
  • AAV15: 1-10 (1.00 equivalents), E3 (1.2 equivalents), Palladium(ll) acetate (CAS: 3375-31-3, 0.06 equivalents), X-Phos (CAS: 564483-18-7, 0.12 equivalents) and Potassium phosphate tribasic (K 3 PO 4 , CAS: 7778-53-2, 3.00 equivalents) are stirred under nitrogen atmosphere in a dioxane/water mixture at 100 °C for 55 h. After cooling down to room temperature (rt) the reaction mixture is extracted between toluene and brine and the combined organic layers concentrated under reduced pressure. The crude material is purified by recrystallization or column chromatography and 1-11 is obtained as a solid.
  • AAV16 E3 (1.00 equivalents), E9 (1.1 equivalents), Tetrakis(triphenylphosphine)palladium(0) (Pd(PPh3)4, CAS: 14221-01-3, 0.02 equivalents) and potassium carbonate (K 2 CO 3 ; 2.00 equivalents) are stirred under nitrogen atmosphere in a THF/water mixture at 80 °C for 48 h. After cooling down to room temperature (rt) the phases are separated and the aqueous layer extracted with ethyl acetate. The combined organic layers are dried over MgSO 4 , filtered and concentrated under reduced pressure. The crude material is purified by column chromatography or by recrystallization and 1-12 is obtained as solid.
  • AAV17: 1-12 (1.00 equivalents), Di-tert-butyl dicarbonate (CAS: 24424-99-5, 1.4 equivalents), 4-Dimethylaminopyridin (4-DMAP, CAS: 1122-58-3, 1.00 equivalents) are stirred under nitrogen atmosphere in dry MeCN at room temperature for 16 h.
  • the reaction mixture is added NaOH solution (1M), the phases are separated and the aqueous layer is extracted with ethyl acetate.
  • the combined organic layers are washed with water and brine, dried over MgS04, filtered and concentrated under reduced pressure.
  • the crude material is purified by column chromatography or by recrystallization and 1-13 is obtained as solid.
  • AAV18: 1-13 (1.00 equivalents), E5 (1.20 equivalents), tris(dibenzylideneacetone)dipalladium(0) (CAS: 51364-51-3 , 0.01 equivalents), tri-tert- butylphosphonium tetrafluoroborate (CAS: 131274-22-1 , 0.04 equivalents) and sodium tert- butoxide (CAS: 865-48-5, 2.00 equivalents) are stirred under nitrogen atmosphere in dry toluene at 110 °C for 16 h. After cooling down to room temperature (rt) the reaction mixture is washed with water and the aqueous layer extracted with ethyl acetate. The combined organic layers are dried over MgSO 4 , filtered and concentrated under reduced pressure. The crude material is purified by recrystallization or column chromatography and 1-14 is obtained as a solid.
  • AAV19: 1-14 (1.00 equivalents) is solved in dichloromethane (DCM).
  • Trifluoroacetic Acid (CAS: 76-05-1; 99.7 equivalents) is added at room temperature and the reaction mixture is stirred for 2 h. Subsequently, the phases are separated and the TFA layer extracted with DCM. Ther combined organic layers are washed with a saturated NaHCCh solution and water, dried over MgSO 4 and filtered. After removal of the solvent under reduced pressure, the crude material is purified by recrystallization or column chromatography and 1-15 is obtained as a solid.
  • AAV20: 1-15 (1.00 equivalents) is placed in a round bottom flask under nitrogen. The solvent o-xylene is added. At 0 °C, n-Butyllithium (2.5M in hexane, CAS: 109-72-8, 1.10 equivalents) is added dropwise and the mixture stirred for 15 min. Subsequently, tert-Butyllithium (1.6M in hexane, CAS: 594-19-4, 2.20 equivalents) is added dropwise, the temperature is increased to 65°C and the reaction mixture was stirred for 2h. The reaction mixture was cooled down to room temperature.
  • n-Butyllithium 2.5M in hexane, CAS: 109-72-8, 1.10 equivalents
  • tert-Butyllithium 1.6M in hexane, CAS: 594-19-4, 2.20 equivalents
  • AAV21 In dry DMSO, E10 (1.10 equivalents), E11 (1.00 equivalents) and tribasic potassium phosphate (1.50 equivalents, CAS: 7778-53-2) were heated at 100 °C for 48h. After cooling down to rt, the mixture was poured onto ice water. The precipitate was filtered off, washed with water and ethanol and collected. The crude was purified by recrystallization or column chromatography to yield compound 1-16 as a solid.
  • AAV22 Under nitrogen, in a mixture of toluene/water (8:1 by vol.), 1-16 (1.00 equivalents) is reacted with E3 (1.00 equivalents), tribasic potassium phosphate (1.80 equivalents, CAS: 7778-53-2), tris(dibenzylideneacetone)dipalladium(0) (0.01 equivalents, CAS: 51364-51-3) and X-Phos (0.04 equivalents, CAS: 564483-18-7) at 95 °C for 48 h. After cooling down to rt, the phases are separated and the aqueous layer extracted with ethyl acetate. The combined organic layers are dried over MgSO 4 , filtered and concentrated under reduced pressure. The crude is purified by column chromatography or recrystallization to yield compound 1-17 as a solid.
  • AAV23 Under nitrogen, in a mixture of dioxane/water (5:1 by vol.), 1-17 (1.00 equivalents) is reacted with E12 (1.50 equivalents), tribasic potassium phosphate (3.00 equivalents, CAS: 7778-53-2), tris(dibenzylideneacetone)dipalladium(0) (0.01 equivalents, CAS: 51364-51-3) and X-Phos (0.04 equivalents, CAS: 564483-18-7) at 100 °C for 5 h. After cooling down to rt, the phases are separated and the aqueous layer extracted with ethyl acetate. The combined organic layers are dried over MgSO 4 , filtered and concentrated under reduced pressure. The crude is purified by column chromatography or recrystallization to yield compound 1-18 as a solid.
  • AAV24 In dry DMSO, E13 (1.10 equivalents), E11 (1.00 equivalents) and tribasic potassium phosphate (1.50 equivalents, CAS: 7778-53-2) were heated at 100 °C for 48h. After cooling down to rt, the mixture was poured onto ice water. The precipitate was filtered off, washed with water and ethanol and collected. The crude was purified by recrystallization or column chromatography to yield compound 1-19 as a solid.
  • AAV25 Under nitrogen, in a mixture of toluene/water (8:1 by vol.), 1-19 (1.00 equivalents) is reacted with E3 (1.20 equivalents), tribasic potassium phosphate (2.00 equivalents, CAS: 7778-53-2), tris(dibenzylideneacetone)dipalladium(0) (0.01 equivalents, CAS: 51364-51-3) and X-Phos (0.04 equivalents, CAS: 564483-18-7) at 100 °C for 5 h. After cooling down to rt, the phases are separated and the aqueous layer extracted with ethyl acetate. The combined organic layers are dried over MgSO 4 , filtered and concentrated under reduced pressure. The crude is purified by column chromatography or recrystallization to yield compound 1-17 as a solid.
  • AAV26 Under nitrogen, in a mixture of dioxane/water (10:1 by vol.), E14 (1.00 equivalents) is reacted with E3 (1.00 equivalents), potassium carbonate (2.00 equivalents, CAS: 584-08-7), tris(dibenzylideneacetone)dipalladium(0) (0.02 equivalents, CAS: 51364-51-3) and S-Phos (0.08 equivalents, CAS: 657408-07-6) at 90 °C for 72 h. After cooling down to rt, the phases are separated and the aqueous layer extracted with ethyl acetate. The combined organic layers are dried over MgSO 4 , filtered and concentrated under reduced pressure. The crude is purified by column chromatography or recrystallization to yield compound 1-21 as a solid.
  • AAV27 E5 (1.00 equivalents), E14 (1.00 equivalents), tris(dibenzylideneacetone)- dipalladium(O) (CAS: 51364-51-3 , 0.01 equivalents), Sodium tert-butoxide (NaOtBu, CAS: 865-48-5, 3.00 equivalents) and Tri-tert-butylphosphine (P(tBu)3; CAS: 13716-12-6, 0.04 equivalents) are stirred under nitrogen atmosphere in dry toluene at 110 °C for 24 h. After cooling down to room temperature (rt) the reaction mixture is extracted between ethyl acetate and brine and the combined organic layers concentrated under reduced pressure. The crude material is purified by column chromatography or by recrystallization and I-22 is obtained as solid.
  • AAV28 Under nitrogen in dry dichlorobenzene, I-22 (1.00 equivalents) is reacted with BBr3 (3.00 equivalents, CAS: 10294-33-4) at 135 °C for 45 min. After cooling down to rt, the mixture is further cooled down to 0 °C, followed by the addition of DI PEA (10.0 equivalents, CAS: 7087- 68-5). Water is added, the phases separated and the aqueous layer extracted with dichloromethane. The combined organic layers are washed with water, dried over MgSO 4 , filtered and concentrated. The crude is purified by column chromatography or recrystallization to yield compound P-8 as a solid.
  • AAV29 E5 (1.05 equivalents), E14 (1.00 equivalents), tris(dibenzylideneacetone)- dipalladium(O) (CAS: 51364-51-3 , 0.005 equivalents), Sodium tert-butoxide (NaOtBu, CAS: 865-48-5, 1.50 equivalents) and Tri-tert-butylphosphonium tetrafluoroborate (HP(tBu)3BF4; CAS: 131274-22-1 , 0.02 equivalents) are stirred under nitrogen atmosphere in dry toluene at 100 °C for 1 h. After cooling down to room temperature (rt) the reaction mixture is extracted between ethyl acetate and brine and the combined organic layers concentrated under reduced pressure. The crude material is purified by column chromatography or by recrystallization and I-23 is obtained as solid.
  • AAV30 Under nitrogen, in a mixture of dioxane/water (5:1 by vol.), I-23 (1.00 equivalents) is reacted with E3 (1.10 equivalents), tribasic potassium phosphate (2.00 equivalents, CAS: 7778-53-2), tris(dibenzylideneacetone)dipalladium(0) (0.01 equivalents, CAS: 51364-51-3) and S-Phos (0.04 equivalents, CAS: 657408-07-6) at 100 °C for 48 h. After cooling down to rt, the phases are separated and the aqueous layer extracted with ethyl acetate. The combined organic layers are dried over MgSO 4 , filtered and concentrated under reduced pressure. The crude is purified by column chromatography or recrystallization to yield compound I-24 as a solid.
  • AAV31 Under nitrogen in dry dichlorobenzene, I-24 (1.00 equivalents) is reacted with BBr3 (3.00 equivalents, CAS: 10294-33-4) at 90 °C for 1 h. After cooling down to rt, the mixture is further cooled down to 0 °C, followed by the addition of DIPEA (10.0 equivalents, CAS: 7087- 68-5). Water is added, the phases separated and the aqueous layer extracted with dichloromethane. The combined organic layers are washed with water, dried over MgSO 4 , filtered and concentrated. The crude is purified by column chromatography or recrystallization to yield compound P-9 as a solid.
  • AAV32 Under nitrogen, in a mixture of dioxane/water (4:1 by vol.), E3 (1.00 equivalents) is reacted with E9 (1.30 equivalents), potassium carbonate (2.00 equivalents, CAS: 584-08-7) and tetrakis(triphenylphosphine)palladium(0) (0.03 equivalents, CAS: 14221-01-3) at 80 °C for 8 h. After cooling down to rt, the phases are separated and the aqueous layer extracted with ethyl acetate. The combined organic layers are dried over MgSO 4 , filtered and concentrated under reduced pressure. The crude is purified by column chromatography or recrystallization to yield compound 1-12 as a solid.
  • AAV33 E5 (1.10 equivalents), 1-12 (1.00 equivalents), tris(dibenzylideneacetone)- dipalladium(O) (CAS: 51364-51-3 , 0.01 equivalents), Sodium tert-butoxide (NaOtBu, CAS: 865-48-5, 3.20 equivalents) and Tri-tert-butylphosphonium tetrafluoroborate (HP(tBu)3BF4; CAS: 131274-22-1 , 0.04 equivalents) are stirred under nitrogen atmosphere in dry toluene at 110 °C for 3 h. After cooling down to room temperature (rt) the reaction mixture is extracted between ethyl acetate and brine and the combined organic layers concentrated under reduced pressure. The crude material is purified by column chromatography or by recrystallization and 1-15 is obtained as solid.
  • AAV34 Under nitrogen, a solution of 1-15 (1.00 equivalents) in dry te/f-butylbenzene is added n-BuLi (2.5M in hexane, 1.10 equivalents, CAS: 109-72-8) at rt. After 15 min of stirring, f-BuLi (1.6M in pentane, 2.20 equivalents, CAS: 594-19-4) is added and the mixture heated at 60 °C for 2 h. Subsequently, the mixture is cooled below -60 °C, followed by dropwise addition of BBr3 (1.50 equivalents, CAS: 10294-33-4).
  • AAV35 E15 (1.10 equivalents), E16 (1.00 equivalents), tris(dibenzylideneacetone)- dipalladium(O) (CAS: 51364-51-3 , 0.01 equivalents), Sodium tert-butoxide (NaOtBu, CAS: 865-48-5, 2.00 equivalents) and Tri-tert-butylphosphine (P(tBu)3; CAS: 13716-12-6, 0.04 equivalents) are stirred under nitrogen atmosphere in dry toluene at 60 °C until completion of the reaction (TLC control). After cooling down to room temperature (rt) the reaction mixture is extracted between ethyl acetate and brine and the combined organic layers concentrated under reduced pressure. The crude material is purified by column chromatography or by recrystallization and E-5 is obtained as solid.
  • AAV36 E5 (1.00 equivalents), 1-21 (1.00 equivalents), tris(dibenzylideneacetone)- dipalladium(O) (CAS: 51364-51-3 , 0.01 equivalents), Sodium tert-butoxide (NaOtBu, CAS: 865-48-5, 2.00 equivalents) and Tri-tert-butylphosphonium tetrafluoroborate (HP(t-Bu)3BF4; CAS: 131274-22-1, 0.02 equivalents) are stirred under nitrogen atmosphere in dry toluene under reflux until completion of the reaction (TLC control). After cooling down to room temperature (rt) the reaction mixture is extracted between toluene and brine and the combined organic layers concentrated under reduced pressure. The crude material is purified by column chromatography or by recrystallization and I-22 is obtained as solid.
  • AAV37: I-22 (1.00 equivalents) is placed in a round bottom flask under nitrogen.
  • the solvent (1 ,2-dichlorobenzene is added.
  • Boron tribromide (CAS: 10294-33-4, 3.00 equivalents) is added dropwise and it is heated to 180°C until completion of the reaction (TLC control). After cooling to rt, it is further cooled to 0°C.
  • DIPEA (CAS: 7087-68-5, 10.00 equivalents) is added and it is stirred for 1 h.
  • the reaction mixture is washed with water and the phases are separated and then the solvent is removed under reduced pressure.
  • the crude material is purified by column chromatography or by recrystallization and P-8 is obtained as a solid.
  • AAV38 E17 (1.40 equivalents), E18 (0.9 equivalents), hydroiodicacid (CAS: 10034-85-2, 0.20 equivalents) are stirred under nitrogen atmosphere in dry acetonitrile at 100 °C for 16h.
  • the reaction mixture was cooled down to 0°C; the precipitate was filtered and washed with cold acetonitrile.
  • the solid is solved in acetonitrile; iodine (CAS: 7553-56-2, 0.40 equivalents) is added and the mixture is stirred at 100°C until reaction completion (monitored by TLC).
  • the reaction mixture was quenched with a saturated sodium thiosulfite solution and the precipitate was washed with cold acetonitrile, methanol and hexane.
  • AAV39 I-25 (1.00 equivalents), E19 (6.0 equivalents), tris(dibenzylideneacetone)dipalladium(0) (CAS: 51364-51-3 , 0.04 equivalents), Tri-tert- butylphosphonium tetrafluoroborate (CAS: 131274-22-1 , 0.16 equivalents) and sodium tert- butoxide (CAS: 865-48-5, 7.00 equivalents) are stirred under nitrogen atmosphere in dry toluene at 110 °C for 72 h.
  • AAV40 I-26 (1.00 equivalents) is placed in a round bottom flask under nitrogen. The solvent (1 ,2-dichlorobenzene is added. Boron tribromide (CAS: 10294-33-4, 4.00 equivalents) is added dropwise and it is heated to 180°C until reaction completion (TLC control). After cooling to rt, it is further cooled to 0°C. DIPEA (CAS: 7087-68-5, 10.00 equivalents) is added and it is stirred for 1h. The reaction mixture is washed with water and the phases are separated and then the solvent is removed under reduced pressure. The crude material is purified by column chromatography or recrystallization and P-10 is obtained as a solid.
  • AAV41:E17 (2.00 equivalents), E20 (1.0 equivalents), and Bis(trifluoromethyl)methanol (CAS: 920-66-1 , 300 ml) are stirred under nitrogen atmosphere at room temperature until reaction completion (TLC control).
  • the reaction mixture was cooled down to 0°C; the precipitate was filtered and washed with cold acetonitrile.
  • the solid is re-dissolved in acetonitrile; 1,4- Benzoquinone (CAS: 106-51-4, 0.20 equivalents) is added and the mixture is stirred at room temperature until reaction completion (monitored by TLC).
  • the solvent was removed under reduced pressure.
  • the crude material is purified by recrystallization or by column chromatography and I-27 is obtained as a solid.
  • AAV42 1-27 (1.00 equivalents), E21 (1.00 equivalents), are stirred under nitrogen atmosphere in dichloromethane at room temperature.
  • Iodine (CAS: 7553-56-2, 0.03 equivalents) is added and the mixture is stirred at room temperature until reaction completion (monitored by TLC). The solvent was removed under reduced pressure.
  • the crude material is purified by recrystallization or by column chromatography and I-28 is obtained as a solid.
  • AAV43 I-28 (1.00 equivalents), E19 (2.5 equivalents), tris(dibenzylideneacetone)dipalladium(0) (CAS: 51364-51-3 , 0.03 equivalents), Tri-tert- butylphosphonium tetrafluoroborate (CAS: 131274-22-1 , 0.12 equivalents) and sodium tert- butoxide (CAS: 865-48-5, 4.00 equivalents) are stirred under nitrogen atmosphere in dry toluene at 110 °C until reaction completion (TLC control). After cooling down to room temperature (rt) the reaction mixture extracted between ethyl acetate and brine and the phases are separated and the solvent is removed under reduced pressure. The crude material is purified by recrystallization or by column chromatography and I-29 is obtained as a solid.
  • AAV44 I-29 (1.00 equivalents) is placed in a round bottom flask under nitrogen. The solvent chlorobenzene is added. Boron tribromide (CAS: 10294-33-4, 4.00 equivalents) is added dropwise and it is heated to 70°C until reaction completion (TLC control). After cooling to rt, it is further cooled to 0°C. DIPEA (CAS: 7087-68-5, 10.00 equivalents) is added and it is stirred for 1h. The reaction mixture is washed with water and the phases are separated and then the solvent is removed under reduced pressure. The crude material is purified by column chromatography or recrystallization and P-11 is obtained as a solid.
  • AAV45 E22 (1.00 equivalents) is solved in dry chloroform and N-bromosuccinimide (CAS: 128-08-5, 1.1 equivalents) is added portionwise under nitrogen atmosphere at 0 °C. The mixture is stirred at room temperature for 4h and subsequently extracted between dichloromethane and water and the combined organic layers concentrated under reduced pressure. The crude material is purified by column chromatography or by recrystallization and E2 is obtained as a solid.
  • AAV46 E2 (1.00 equivalents), Bis(pinacolato)diboron (CAS: 73183-34-3, 1.5 equivalents), [1,T-bis(diphenylphosphino)ferrocene]palladium (II) dichloride (CAS: 72287-26-4, 0.02 equivalents) and potassium acetate (KOAc; CAS: 127-08-2, 3.00 equivalents) are stirred under nitrogen atmosphere in dry dioxane at 95 °C for 24 h. After cooling down to room temperature (rt) the reaction mixture is extracted between dichloromethane and water and the combined organic layers concentrated under reduced pressure. The crude material is purified by column chromatography or by recrystallization and E3 is obtained as a solid.
  • AAV47 Under nitrogen, in a mixture of dry dioxane, E14 (1.00 equivalents) is reacted with bis(pinacolato)diboron (1.50 equivalents, CAS: 73183-34-3), potassium acetate (3.00 equivalents, CAS: 127-08-2), [1,T-bis(diphenylphosphino)ferrocene]palladium (II) dichloride (0.04 equivalents, CAS: 72287-26-4) at 100 °C for 16 h. After cooling down to rt, water is added, the phases are separated and the aqueous layer extracted with ethyl acetate. The combined organic layers are dried over MgSO 4 , filtered and concentrated under reduced pressure. The crude is purified by column chromatography or recrystallization to yield compound I-30 as a solid.
  • AAV48 E2 (1.00 equivalents), I-30 (1.00 equivalents), [1,T- bis(diphenylphosphino)ferrocene]palladium (II) dichloride (CAS: 72287-26-4, 0.02 equivalents) and potassium phosphate tribasic (K 3 O 4 P; CAS: 7778-53-2, 3.00 equivalents) are stirred under nitrogen atmosphere in dioxane/water (4:1 by vol.) at 80 °C for 4 h. After cooling down to room temperature (rt) the reaction mixture is extracted between ethyl acetate and water and the combined organic layers concentrated under reduced pressure. The crude material is purified by column chromatography or by recrystallization and 1-21 is obtained as a solid.
  • AAV50 Under nitrogen, in a mixture of dry dioxane, E14 (1.00 equivalents) is reacted with bis(pinacolato)diboron (1.50 equivalents, CAS: 73183-34-3), potassium acetate (3.00 equivalents, CAS: 127-08-2), [1,T-bis(diphenylphosphino)ferrocene]palladium (II) dichloride (0.04 equivalents, CAS: 72287-26-4) at 100 °C for 16 h. After cooling down to rt, water is added, the phases are separated and the aqueous layer extracted with ethyl acetate. The combined organic layers are dried over MgSO 4 , filtered and concentrated under reduced pressure. The crude is purified by column chromatography or recrystallization to yield compound I-30 as a solid.
  • AAV51 E2 (1.00 equivalents), I-30 (1.00 equivalents), [1,T- bis(diphenylphosphino)ferrocene]palladium (II) dichloride (CAS: 72287-26-4, 0.02 equivalents) and potassium phosphate tribasic (K3O4P; CAS: 7778-53-2, 3.00 equivalents) are stirred under nitrogen atmosphere in dioxane/water (4:1 by vol.) at 80 °C for 4 h. After cooling down to room temperature (rt) the reaction mixture is extracted between ethyl acetate and water and the combined organic layers concentrated under reduced pressure. The crude material is purified by column chromatography or by recrystallization and 1-21 is obtained as a solid.
  • AAV52 E5a (1.10 equivalents), 1-21 (1.00 equivalents), tris(dibenzylideneacetone)- dipalladium(O) (CAS: 51364-51-3 , 0.02 equivalents), Sodium tert-butoxide (NaOtBu, CAS: 865-48-5, 3.20 equivalents) and Tri-tert-butylphosphonium tetrafluoroborate (HP(t-Bu)3BF4; CAS: 131274-22-1, 0.08 equivalents) are stirred under nitrogen atmosphere in dry o-xylol to 120°C until completion of the reaction (TLC control). After cooling down to room temperature (rt) the reaction mixture is extracted between ethyl acetate and brine and the combined organic layers concentrated under reduced pressure. The crude material is purified by column chromatography or by recrystallization and 1-31 is obtained as solid.
  • AAV53 Under nitrogen in dry chlorobenzene, 1-31 (1.00 equivalents) is reacted with BBr3 (4.00 equivalents, CAS: 10294-33-4) at -10°C for 3 h, 2 h at rt, 16 h at 50°C and additionally at 70 °C for 2 h. After cooling down to rt, the mixture is followed by the addition of DIPEA (10.0 equivalents, CAS: 7087-68-5). Water is added, the phases separated and the aqueous layer extracted with ethyl acetate. The combined organic layers are washed with water, dried over MgSO 4 , filtered and concentrated. The crude is purified by column chromatography or recrystallization to yield compound P-12 as a solid.
  • Cyclic voltammograms are measured from solutions having concentration of 10 3 mol/L of the organic molecules in dichloromethane or a suitable solvent and a suitable supporting electrolyte (e.g. 0.1 mol/L of tetrabutylammonium hexafluorophosphate).
  • the measurements are conducted at room temperature under nitrogen atmosphere with a three-electrode assembly (Working and counter electrodes: Pt wire, reference electrode: Pt wire) and calibrated using FeCp 2 / FeCp 2 + as internal standard.
  • the HOMO data was corrected using ferrocene as internal standard against a saturated calomel electrode (SCE).
  • Excitation energies are calculated using the (BP86) optimized structures employing Time-Dependent DFT (TD-DFT) methods.
  • Orbital and excited state energies are calculated with the B3LYP functional.
  • Def2-SVP basis sets and a m4-grid for numerical integration are used.
  • the Turbomole program package is used for all calculations.
  • the sample concentration is 10 mg/ml, dissolved in a suitable solvent.
  • Photoluminescence spectroscopy and Time-Correlated Single-Photon Counting Steady-state emission spectroscopy is measured by a Horiba Scientific, Modell FluoroMax-4 equipped with a 150 W Xenon-Arc lamp, excitation- and emissions monochromators and a Hamamatsu R928 photomultiplier and a time-correlated single-photon counting option. Emissions and excitation spectra are corrected using standard correction fits.
  • Excited state lifetimes are determined employing the same system using the TCSPC method with FM-2013 equipment and a Horiba Yvon TCSPC hub.
  • NanoLED 370 (wavelength: 371 nm, puls duration: 1,1 ns)
  • NanoLED 290 (wavelength: 294 nm, puls duration: ⁇ 1 ns)
  • SpectraLED 355 (wavelength: 355 nm).
  • Data analysis (exponential fit) is done using the software suite DataStation and DAS6 analysis software. The fit is specified using the chi-squared-test.
  • Emission maxima are given in nm, quantum yields F in % and CIE coordinates as x,y values.
  • PLQY is determined using the following protocol:
  • Excitation wavelength the absorption maximum of the organic molecule is determined and the molecule is excited using this wavelength
  • Quantum yields are measured, for sample, of solutions or films under nitrogen atmosphere. The yield is calculated using the equation: wherein n Photon denotes the photon count and Int. the intensity.
  • Optoelectronic devices such as OLED devices comprising organic molecules according to the invention can be produced via vacuum-deposition methods. If a layer contains more than one compound, the weight-percentage of one or more compounds is given in %. The total weight- percentage values amount to 100 %, thus if a value is not given, the fraction of this compound equals to the difference between the given values and 100 %.
  • the not fully optimized OLEDs are characterized using standard methods and measuring electroluminescence spectra, the external quantum efficiency (in %) in dependency on the intensity, calculated using the light detected by the photodiode, and the current.
  • the OLED device lifetime is extracted from the change of the luminance during operation at constant current density.
  • the LT50 value corresponds to the time, where the measured luminance decreased to 50 % of the initial luminance
  • analogously LT80 corresponds to the time point, at which the measured luminance decreased to 80 % of the initial luminance, LT 95 to the time point, at which the measured luminance decreased to 95 % of the initial luminance etc.
  • Accelerated lifetime measurements are performed (e.g. applying increased current densities).
  • LT80 values at 500 cd/m 2 are determined using the following equation: wherein L 0 denotes the initial luminance at the applied current density.
  • the values correspond to the average of several pixels (typically two to eight), the standard deviation between these pixels is given.
  • HPLC-MS analysis is performed on an HPLC by Agilent (1100 series) with MS-detector (Thermo LTQ XL).
  • Exemplary a typical HPLC method is as follows: a reverse phase column 4,6mm x 150mm, particle size 3,5 pm from Agilent (ZORBAX Eclipse Plus 95A C18, 4.6 x 150 mm, 3.5 pm HPLC column) is used in the HPLC.
  • the HPLC-MS measurements are performed at room temperature (rt) following gradients using the following solvent mixtures:
  • Ionization of the probe is performed using an APCI (atmospheric pressure chemical ionization) source either in positive (APCI +) or negative (APCI -) ionization mode.
  • APCI atmospheric pressure chemical ionization
  • Example 1 was synthesized according to AAV1 (84% yield),
  • the emission maximum of example 1 (2% by weight in PMMA) is at 428 nm, the full width at half maximum (FWHM) is 0.27 eV.
  • the CIEx coordinate is 0.16 and the CIEy coordinate is 0.08.
  • the photoluminescence quantum yield (PLQY) is 54%.
  • Example 2 was synthesized according to general synthesis scheme VII
  • the emission maximum of example 2 (2% by weight in PMMA) is at 434 nm, the Cl Ex coordinate is 0.16 and the CIEy coordinate is 0.11.
  • Example 3 was synthesized according to general synthesis scheme III
  • AAV4 (30% yield), wherein 5-bromo-N1,N1,N3,N3-tetraphenyl-1,3-benzenediamine (CAS:
  • the emission maximum of example 3 (2% by weight in PMMA) is at 440 nm, the full width at half maximum (FWHM) is 0.21 eV.
  • the Cl Ex coordinate is 0.15 and the CIEy coordinate is 0.06.
  • the photoluminescence quantum yield (PLQY) is 56%.
  • Example 4 was synthesized according to general synthesis scheme IV AAV7 (71% yield), wherein 1-(tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-carbazole (CAS: 1219637-88-3) and 3,5-dichloro-N,N-diphenylaniline (CAS: 1329428-05-8) was used as reactant E3 and E4, respectively,
  • the emission maximum of example 4 (2% by weight in PMMA) is at 427 nm, the full width at half maximum (FWHM) is 0.13 eV.
  • the CIEx coordinate is 0.16 and the CIEy coordinate is 0.05.
  • the photoluminescence quantum yield (PLQY) is 58%.
  • Example 5 was synthesized according to general synthesis scheme V AAV10 (68% yield), wherein 2,2'-dinaphthylamine (CAS: 532-18-3) and 1-bromo-3- chlorodibenzo[b,d]furan (CAS: 2043962-13-4) was used as reactant E5 and E6, respectively, AAV11 (90% yield), wherein 1-(tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-carbazole (CAS: 1219637-88-3) was used as reactant E3,
  • the emission maximum of example 5 (2% by weight in PMMA) is at 462 nm, the full width at half maximum (FWHM) is 0.14 eV.
  • the CIEx coordinate is 0.14 and the CIEy coordinate is 0.22.
  • the photoluminescence quantum yield (PLQY) is 65%.
  • Example 6 was synthesized according to
  • the emission maximum of example 6 (2% by weight in PMMA) is at 443 nm, the full width at half maximum (FWHM) is 0.13 eV.
  • the Cl Ex coordinate is 0.15 and the CIEy coordinate is 0.07.
  • the photoluminescence quantum yield (PLQY) is 61%.
  • Example 7 was synthesized according to
  • AAV18 (56% yield), wherein 2,2'-dinaphthylamine (CAS: 532-18-3) was used as reactant E5, AAV19 (69% yield), AAV20 (5% yield).
  • the emission maximum of example 7 (2% by weight in PMMA) is at 480 nm, the full width at half maximum (FWHM) is 0.18 eV.
  • the Cl Ex coordinate is 0.13 and the CIEy coordinate is 0.33.
  • the photoluminescence quantum yield (PLQY) is 53%.
  • Example 8 was synthesized according to
  • AAV21 (85% yield), wherein 1-bromo-2,5-dichloro-3-fluorobenzene (CAS: 202865-57-4) and 7H-dibenzo[c,g]carbazole (CAS: 194-59-2) were used as reactants E10 and E11, respectively;
  • AAV22 (62% yield), wherein 1-(tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-carbazole (CAS: 1219637-88-3) was used as the substrate E3;
  • the emission maximum of example 8 (2% by weight in PMMA) is at 470 nm, the full width at half maximum (FWHM) is 0.24 eV.
  • the Cl Ex coordinate is 0.15 and the CIEy coordinate is 0.25.
  • the photoluminescence quantum yield (PLQY) is 48%.
  • Example 9 was synthesized according to
  • AAV24 (70% yield), wherein 1-bromo-2-chloro-3-fluorobenzene (CAS: 883499-24-9) and 7H- dibenzo[c,g]carbazole (CAS: 194-59-2) were used as the reactants E13 and E11, respectively;
  • AAV25 (51% yield), wherein 1-(tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-carbazole (CAS: 1219637-88-3) was used as reactant E3; and AAVO-3 (2% yield).
  • the emission maximum of example 9 (2% by weight in PMMA) is at 478 nm, the full width at half maximum (FWHM) is 0.26 eV.
  • the CIEx coordinate is 0.16 and the CIEy coordinate is 0.36.
  • the photoluminescence quantum yield (PLQY) is 37%.
  • Example 10 was synthesized according to
  • AAV21 (85% yield), wherein 1-bromo-2,5-dichloro-3-fluorobenzene (CAS: 202865-57-4) and 7H-dibenzo[c,g]carbazole (CAS: 194-59-2) were used as reactants E10 and E11, respectively;
  • AAV22 (62% yield), wherein 1-(tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-carbazole (CAS: 1219637-88-3) was used as the substrate E3;
  • the emission maximum of example 10 (2% by weight in PMMA) is at 485 nm.
  • Example 11 was synthesized according to
  • AAV27 (37% yield), wherein 2,2'-dinaphthylamine (CAS: 532-18-3) was used as reactant E5; and AAV28 (3% yield).
  • the emission maximum of example 11 (2% by weight in PMMA) is at 456 nm, the full width at half maximum (FWHM) is 0.22 eV.
  • the Cl Ex coordinate is 0.15 and the CIEy coordinate is 0.13.
  • the photoluminescence quantum yield (PLQY) is 45%.
  • Example 13 was synthesized according to
  • AAV29 (71% yield), where 4-bromo-3-chlorodibenzo[b,d]furan (CAS: 1960445-63-9) and 2,2'- dinaphthylamine (CAS: 532-18-3) were used as the reactants E14 and E5, respectively;
  • AAV30 (54% yield), where 1-(tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-carbazole (CAS: 1219637-88-3) was used as compound E3; and AAV31 (31% yield).
  • the emission maximum of example 13 (2% by weight in PMMA) is at 464 nm, the full width at half maximum (FWHM) is 0.13 eV.
  • the CIEx coordinate is 0.14 and the CIEy coordinate is 0.18.
  • the photoluminescence quantum yield (PLQY) is 58%.
  • Example 14 was synthesized according to AAV32 (31% yield), where 3,6-bis(1,1-dimethylethyl)-1-(4,4,5,5-tetramethyl-1,3,2- dioxaborolan-2-yl)- 9H-Carbazole (CAS: 1510810-80-6) and 1,3-dibromo-5-tert-butyl-2- chlorobenzene (CAS: 1000578-25-5) were used as the reactants E3 and E9, respectively; AAV33 (48% yield), wherein N-[1,1'-biphenyl]-4-yl-[1,1'-Biphenyl]-4-amine (CAS: 102113-98- 4) was used as compound E5; and AAV33 (24% yield).
  • the emission maximum of example 14 (2% by weight in PMMA) is at 440 nm, the full width at half maximum (FWHM) is 0.22 eV.
  • the Cl Ex coordinate is 0.15 and the CIEy coordinate is 0.06.
  • the photoluminescence quantum yield (PLQY) is 74%.
  • Example 15 was synthesized according to
  • AAV39 (51% yield), where diphenylamine (CAS: 122-39-4) was used as E19; and AAV40 (38% yield).
  • Example 16 The emission maximum of example 15 (2% by weight in PMMA) is at 515 nm, the full width at half maximum (FWHM) is 0.13 eV.
  • the Cl Ex coordinate is 0.31 and the CIEy coordinate is 0.64.
  • the photoluminescence quantum yield (PLQY) is 31%.
  • Example 16 was synthesized according to

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