US20230167135A1 - Organic molecules for optoelectronic devices - Google Patents

Organic molecules for optoelectronic devices Download PDF

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US20230167135A1
US20230167135A1 US17/997,022 US202117997022A US2023167135A1 US 20230167135 A1 US20230167135 A1 US 20230167135A1 US 202117997022 A US202117997022 A US 202117997022A US 2023167135 A1 US2023167135 A1 US 2023167135A1
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Sebastian Dück
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Samsung Display Co Ltd
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Definitions

  • the invention relates to light-emitting organic molecules and their use in organic light-emitting diodes (OLEDs) and in other optoelectronic devices.
  • 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
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula I:
  • n 0 or 1;
  • X is at each occurrence independently selected from the group consisting of a direct bond, CR 3 R 4 , C ⁇ CR 3 R 4 , C ⁇ O, C ⁇ NR 3 , NR 3 , O, SiR 3 R 4 , S, S(O) and S(O) 2 ;
  • R 1 , R 2 , R 3 , R 4 , R I , R II , R III , R IV and R V are each independently selected from the group consisting of:
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • R d and R e are each independently selected from the group consisting of: hydrogen, deuterium, CF 3 , CN, F, Br, I;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • R a is 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 , OSO 2 R 5 , CF 3 , CN, F, Br, I;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • R 5 is at each occurrence independently from one 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 , OSO 2 R 6 , CF 3 , CN, F, Br, I;
  • CH 2 -groups are optionally substituted by R 6 C ⁇ CR 6 , C ⁇ C, Si(R 6 ) 2 , Ge(R 6 ) 2 , Sn(R 6 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 6 , P( ⁇ O)(R 6 ), SO, SO 2 , NR 6 , O, S or CONR 6 ;
  • CH 2 -groups are optionally substituted by R 6 C ⁇ CR 6 , C ⁇ C, Si(R 6 ) 2 , Ge(R 6 ) 2 , Sn(R 6 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 6 , P( ⁇ O)(R 6 ), SO, SO 2 , NR 6 , O, S or CONR 6 ;
  • CH 2 -groups are optionally substituted by R 6 C ⁇ CR 6 , C ⁇ C, Si(R 6 ) 2 , Ge(R 6 ) 2 , Sn(R 6 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 6 , P( ⁇ O)(R 6 ), SO, SO 2 , NR 6 , O, S or CONR 6 ;
  • CH 2 -groups are optionally substituted by R 6 C ⁇ CR 6 , C ⁇ C, Si(R 6 ) 2 , Ge(R 6 ) 2 , Sn(R 6 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 6 , P( ⁇ O)(R 6 ), SO, SO 2 , NR 6 , O, S or CONR 6 ;
  • CH 2 -groups are optionally substituted by R 6 C ⁇ CR 6 , C ⁇ C, Si(R 6 ) 2 , Ge(R 6 ) 2 , Sn(R 6 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 6 , P( ⁇ O)(R 6 ), SO, SO 2 , NR 6 , O, S or CONR 6 ;
  • R 6 is at each occurrence independently from one another selected from the group consisting of: hydrogen, deuterium, OPh, CF 3 , CN, F;
  • one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF 3 , or F;
  • one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF 3 , or F;
  • one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF 3 , or F;
  • one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF 3 , or F;
  • one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF 3 , or F;
  • substituents R a , R d , R e , and 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 adjacent substituents selected from among R a , R d , R e , and R 5 ;
  • substituents R 1 , R 2 , R 3 , R 4 , R 5 , R I , R II , R III , R IV , and 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 adjacent substituents selected from among R 1 , R 2 , R 3 , R 4 , R 5 , R I , R II , R III , R IV , and R V .
  • Examples for the substituents R a , R d , R e , R 1 , R 2 , R 3 , R 4 , R 5 , R I , R II , R III , R IV , and R V include C 6 -C 60 -aryl, preferably C 6 -C 30 -aryl, more preferably C 6 -C 18 -aryl, and even more preferably C 6 -C 10 -aryl.
  • Examples of specific 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, and phenanthrene, condensed tetracyclic systems such as triphenylene, pyrene, and naphthacene, and condensed pentacyclic system, examples thereof 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 I , R II , R III , R IV , and R V include C 2 -C 57 -heteroaryl, preferably C 2 -C 30 -heteroaryl, more preferably C 2 -C 17 -heteroaryl, and even more 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, 1H-indazole, benzimidazole, benzoxazole, benzothiazole, 1H-benzotriazole, quinoline, isoquinoline, cinnoline, quinazoline, quinoxaline, phthalazine, naphthyridine, purine, pteridine, carbazole, acridine, phenoxathiin, phenoxazine ring, phenothiazine, phenazine, furan, benzofuran, isobenzofuran, dibenzo
  • Examples for the substituents R a , R d , R e , R 1 , R 2 , R 3 , R 4 , R 5 , R I , R II , R III , R IV , and R V include C 1 -C 40 -alkyl, preferably C 1 -C 24 -alkyl or branched or cyclic C 3 -C 40 -alkyl, more preferably C 1 -C 18 -alkyl or branched or cyclic C 3 -C 18 -alkyl, even more 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 C 1 -C 4 -alkyl or branched C 3 -C 4 -alkyl.
  • 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-dimethyl-4-heptyl, 3,5,5-trimethylhexyl, n-decyl, n-und
  • Examples for the substituents R a , R d , R e , R 1 , R 2 , R 3 , R 4 , R 5 , R I , R II , R III , R IV , and R V include C 1 -C 40 -alkoxy, preferably C 1 -C 24 -alkoxy or branched or cyclic C 3 -C 40 -alkoxy, more preferably C 1 -C 18 -alkoxy or branched or cyclic C 3 -C 18 -alkoxy, even more 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 examples include methoxy, ethoxy, propoxy, isopropoxy, butoxy, isobutoxy, s-butoxy, t-butoxy, pentyloxy, hexyloxy, heptyloxy, octyloxy and the like,
  • Examples for the substituents R a , R d , R e , R 1 , R 2 , R 3 , R 4 , R 5 , R I , R II , R III , R IV , and R V include C 1 -C 40 -thioalkyl, preferably C 1 -C 24 -thioalkyl or branched or cyclic C 3 -C 40 -thioalkyl, more preferably C 1 -C 18 -thioalkyl or branched or cyclic C 3 -C 18 -thioalkyl, even more 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 -C 4 -thioalkyl or branched C 3 -C
  • Examples for the substituents R a , R d , R e , R 1 , R 2 , R 3 , R 5 , R 5 , R I , R II , R III , R IV , and R V include C 2 -C 40 -alkenyl, preferably C 2 -C 24 -alkenyl or branched or cyclic C 3 -C 40 -alkenyl, more preferably C 2 -C 18 -alkenyl or branched or cyclic C 3 -C 18 -alkenyl, even more 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.
  • Examples for the substituents R a , R d , R e , R 1 , R 2 , R 3 , R 4 , R 5 , R I , R II , R III , R IV , and R V include C 1 -C 40 -alkynyl, preferably C 2 -C 24 -alkynyl or branched or cyclic C 3 -C 40 -alkynyl, more preferably C 2 -C 18 -alkynyl or branched or cyclic C 3 -C 18 -alkynyl, even more 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 1 , R 2 , R 3 , R 4 , R I , R II , R III , R IV , and R V are each independently from one another selected from the group consisting of: hydrogen;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • R 5 is at each occurrence independently from one 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 , OSO 2 R 6 , CF 3 , CN, F, Br, I;
  • CH 2 -groups are optionally substituted by R 6 C ⁇ CR 6 , C ⁇ C, Si(R 6 ) 2 , Ge(R 6 ) 2 , Sn(R 6 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 6 , P( ⁇ O)(R 6 ), SO, SO 2 , NR 6 , O, S or CONR 6 ;
  • CH 2 -groups are optionally substituted by R 6 C ⁇ CR 6 , C ⁇ C, Si(R 6 ) 2 , Ge(R 6 ) 2 , Sn(R 6 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 6 , P( ⁇ O)(R 6 ), SO, SO 2 , NR 6 , O, S or CONR 6 ;
  • CH 2 -groups are optionally substituted by R 6 C ⁇ CR 6 , C ⁇ C, Si(R 6 ) 2 , Ge(R 6 ) 2 , Sn(R 6 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 6 , P( ⁇ O)(R 6 ), SO, SO 2 , NR 6 , O, S or CONR 6 ;
  • CH 2 -groups are optionally substituted by R 6 C ⁇ CR 6 , C ⁇ C, Si(R 6 ) 2 , Ge(R 6 ) 2 , Sn(R 6 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 6 , P( ⁇ O)(R 6 ), SO, SO 2 , NR 6 , O, S or CONR 6 ;
  • CH 2 -groups are optionally substituted by R 6 C ⁇ CR 6 , C ⁇ C, Si(R 6 ) 2 , Ge(R 6 ) 2 , Sn(R 6 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 6 , P( ⁇ O)(R 6 ), SO, SO 2 , NR 6 , O, S or CONR 6 ;
  • n 1.
  • n 0.
  • R 1 , R 2 , R 3 , R 4 , R I , R II , R III , R IV , and R V are each independently from one another selected from the group consisting of: hydrogen;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • R 5 is at each occurrence independently from one 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;
  • CH 2 -groups are optionally substituted by R 6 C ⁇ CR 6 , C ⁇ C, Si(R 6 ) 2 , Ge(R 6 ) 2 , Sn(R 6 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 6 , P( ⁇ O)(R 6 ), SO, SO 2 , NR 6 , O, S or CONR 6 ;
  • R 1 , R 2 , R 3 , R 4 , R I , R II , R III , R IV , and R V are each independently from one another selected from the group consisting of: hydrogen;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • R 5 is at each occurrence independently from one 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;
  • R 6 C ⁇ CR 6 , C ⁇ C, Si(R 6 ) 2 , Ge(R 6 ) 2 , Sn(R 6 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 6 , P( ⁇ O)(R 6 ), SO, SO 2 , NR 6 , O, S or CONR 6 ;
  • R 1 , R 2 , R 3 , R I , R II , R III , R IV , R 5 , and R V 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, deuterium, halogen, CN or CF 3 ;
  • R 1 , R 2 , R 3 , R 4 , R I , R II , R III , R IV , and R V are each independently from one another selected from the group consisting of: hydrogen;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • R 5 is at each occurrence independently from one 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;
  • CH 2 -groups are optionally substituted by R 6 C ⁇ CR 6 , C ⁇ C, Si(R 6 ) 2 , Ge(R 6 ) 2 , Sn(R 6 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 6 , P( ⁇ O)(R 6 ), SO, SO 2 , NR 6 , O, S or CONR 6 ;
  • R 1 , R 2 , R I , R II , R III , R IV , R 5 , and R V 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, deuterium, halogen, CN or CF 3 ;
  • R 1 , R 2 , R 3 , R 4 , R I , R II , R III , R IV , and R V are each independently from one another selected from the group consisting of: hydrogen;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • R 5 is at each occurrence independently from one 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;
  • CH 2 -groups are optionally substituted by R 6 C ⁇ CR 6 , C ⁇ C, Si(R 6 ) 2 , Ge(R 6 ) 2 , Sn(R 6 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 6 , P( ⁇ O)(R 6 ), SO, SO 2 , NR 6 , O, S or CONR 6 ;
  • R 1 , R 2 , R 3 , R 4 , R I , R II , R III , R IV , and R V are each independently from one another selected from the group consisting of: hydrogen;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • R 1 , R 2 , R I , R II , R III , R IV , and R V are each independently from one another selected from the group consisting of: hydrogen;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • R 1 , R 2 , R I , R II , R III , R IV , R V 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, deuterium, halogen, CN or CF 3 ;
  • R 3 , and R 4 are each independently from one another selected from the group consisting of:
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • R 1 , R 2 , R 3 , R 4 , R I , R II , R III , R IV , and R V are each independently from one another selected from the group consisting of:
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • R 1 , R 2 , R 3 , R 4 , R I , R II , R III , R IV , and R V are each independently from one another selected from the group consisting of:
  • R 1 , R 2 , R 3 , R 4 , R I , R II , R III , R IV , and R V are each independently from one another selected from the group consisting of:
  • R 3 is independently from one another selected from the group consisting of:
  • R 3 is independently from one another selected from the group consisting of:
  • R 3 is independently from one another selected from the group consisting of:
  • 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, which is optionally substituted with one or more substituents R 6 .
  • R 3 is a phenyl, which is optionally substituted with one or more C 1 -C 5 -alkyl substituents.
  • R 3 is a phenyl, which is independently from each other optionally substituted with one or more
  • one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF 3 , or F;
  • R 3 is Ph.
  • R 1 , R 2 , R 3 , R 4 , R I , R II , R III , R IV , and R V are each independently from one another selected from the group consisting of:
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • At least one substituent selected from the group consisting of R 1 , R 2 , R I , R II , R III , R IV , R V and R a is
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • At least one substituent selected from the group consisting of R 1 , R 2 , R I , R II , R III , R IV , R V and R a is
  • R a is at each occurrence independently from one another selected from the group consisting of: hydrogen;
  • R a is at each occurrence independently from one another selected from the group consisting of: hydrogen;
  • R a is at each occurrence independently from one another selected from the group consisting of: hydrogen;
  • At east one R a is
  • R 1 is positioned adjacent to R I ;
  • R I is positioned adjacent to R II and R 1 ,
  • R II is positioned adjacent to R III and R I ;
  • R III is positioned adjacent to R II ,
  • 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 1 is positioned adjacent to R I ;
  • R I is positioned adjacent to R II and R 1 ,
  • R II is positioned adjacent to R III and R I ;
  • R III is positioned adjacent to R II ,
  • 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 I , R II , R III , R IV , and R V forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more adjacent substituents selected from among R 1 , R 2 , R 3 , R 4 , R 5 , R I , R II , R III , R IV , and R V , wherein the ring system is selected from the following groups:
  • each dotted line indicates an attachment point of he group to the rest of the organic molecule.
  • each dotted line is an attachment point.
  • the attachment points are positioned adjacent to each other.
  • R 1 preferably forms a ring system with R I ;
  • R I preferably forms a ring system with R II and/or R 1 ,
  • R II preferably forms a ring system with R III and/or R I ;
  • R III preferably forms a ring system with R II ,
  • R 2 preferably forms a ring system with R V ,
  • R V preferably forms a ring system with R 2 and/or R IV , and
  • R IV preferably forms a ring system with R V .
  • At least one substituent selected from the group consisting of R 1 , R 2 , R I , R II , R III , R IV , and R V forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more adjacent substituents selected from among R 1 , R 2 , R I , R II , R III , R IV , and 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.
  • At least one substituent selected from the group consisting of R 1 , R I , R II , and R III forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more adjacent substituents selected from among R 1 , R I , R II , and R III , wherein the ring system is selected from the following groups:
  • each dotted line is an attachment point.
  • each dotted line is an attachment point.
  • the attachment points are positioned adjacent to each other.
  • R 1 preferably forms a ring system with R I ;
  • R I preferably forms a ring system with R II and/or R 1 ;
  • R II preferably forms a ring system with R III and/or R I ;
  • R III preferably forms a ring system with R II .
  • At least one substituent selected from the group consisting of R 1 , R 2 , R I , R II , R III , R IV , and R V forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more adjacent substituents selected from among R 1 , R 2 , R I , R II , R III , R IV , and R V , wherein the ring system is selected from the following group:
  • X 2 is N or CR 5 ;
  • X 3 is N or CR 5 .
  • attachment points are positioned adjacent to each other.
  • R d and R e are at each occurrence independently selected from the group consisting of: hydrogen, deuterium, CF 3 , CN, F, Br, I;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • R a is at each occurrence independently from one another selected from the group consisting of: hydrogen;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • At east one R a is different from hydrogen.
  • R a is at each occurrence independently from one another selected from the group consisting of: hydrogen;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • R a is at each occurrence independently from one another selected from the group consisting of: hydrogen;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • R a is at each occurrence independently selected from the group consisting of:
  • 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,
  • 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:
  • 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:
  • 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.
  • R a is at each occurrence independently 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 , 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,
  • 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:
  • 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, 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:
  • 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, 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:
  • 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:
  • 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 one another selected from the group consisting of: hydrogen;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • R a and R 5 wherein the ring system is selected from the following groups:
  • R a is at each occurrence independently from one another selected from the group consisting of: hydrogen;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • each dotted line is an attachment point.
  • the attachment points are positioned adjacent to each other.
  • R a preferably forms a ring system 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 adjacent substituents selected from among R a and 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 includes or consists of a structure of Formula I, with the proviso that, 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 adjacent substituents selected from among R 2 , R 3 , R 5 , and R IV .
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula with the proviso that, 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 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more adjacent substituents selected from among R 2 , R 3 , R 5 , and R IV .
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula I, with the proviso that, 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 adjacent substituents selected from among R 2 , and R IV .
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula with the proviso that, 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 or forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more adjacent substituents selected from among R 2 , and R IV .
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula I, with the proviso that, 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
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula with the proviso that, 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
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula I, with the proviso that, 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 selected from among R 2 , R 3 , R 5 , and R IV .
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula l with the proviso that, 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 selected from among R 2 , and/or R IV .
  • organic molecules according to the invention include:
  • X is at each occurrence independently from one 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 one another selected from the group consisting of a direct bond, NR 3 , S and O.
  • X is at each occurrence independently from one another selected from the group consisting of a direct bond and NR 3 .
  • R 1 , R 2 , R 3 , R 4 , R I , R II , R III , R IV and R V is at each occurrence independently from one 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,
  • 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, and
  • X is at each occurrence independently from one another selected from the group consisting of a direct bond, NR 3 and O.
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula II, with the proviso that, 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 adjacent substituents selected from among R 2 , R 3 , R 5 , and R IV .
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula II, with the proviso that, 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 adjacent substituents R 2 , and/or R IV .
  • the organic molecule includes or consists of a structure of Formula II-1
  • R 3 is selected from the group consisting of:
  • the organic molecule includes or consists of a structure of Formula II-1, wherein R 3 is selected from the group consisting of:
  • the organic molecule includes or consists of a structure of Formula II-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 includes or consists of a structure of Formula II-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 includes or consists of a structure of Formula II-1, with the proviso that, if 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 adjacent substituents selected from among R 2 , R 3 , R 5 , and R IV .
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula II-1, with the proviso that, if 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 adjacent substituents selected from among R 2 and R IV .
  • the organic molecule includes or consists of a structure of Formula II-1a
  • 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 III ;
  • Q 2 is selected from the group consisting of C and CR II ;
  • Q 3 is selected from the group consisting of C and CR I ;
  • Q 4 is selected from the group consisting of C and CR 1 ;
  • Formula II-1a is build-up of the following three structure Formula II-1aa, Formula II-1ab and Formula II-1ac:
  • the organic molecule includes or consists of a structure of Formula II-1a, wherein
  • the organic molecule includes or consists of a structure of Formula II-1a, wherein
  • the organic molecule includes or consists of a structure of Formula II-1a, wherein
  • each dotted line is an attachment point.
  • the attachment points are positioned adjacent to 20 each other.
  • R 2 preferably forms a ring system with R V ;
  • R V preferably forms a ring system with R 2 and/or R IV , and
  • R IV preferably forms a ring system with R V .
  • the organic molecule includes or consists of a structure of Formula II-1a, wherein
  • each dotted line is an attachment point.
  • the organic molecule includes or consists of a structure of Formula II-1a, wherein
  • X 1 is S, O or NR 5 .
  • the organic molecule includes or consists of a structure of Formula II-1a, wherein
  • each dotted line is an attachment point.
  • the organic molecule includes or consists of a structure of Formula II-1a, wherein
  • each dotted line is an attachment point.
  • the organic molecule includes or consists of a structure of Formula II-1ac
  • the organic molecule includes or consists of a structure of Formula II-1ab
  • the organic molecule includes or consists of a structure of Formula IIa
  • R b is at each occurrence independently from one another selected from the group consisting of hydrogen, deuterium, N(R 5 ) 2 , OR 5 , Si(R 5 ) 3 , B(OR 5 ) 2 , OSO 2 R 5 . CF 3 , CN, F, Br, I;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • R b is at each occurrence independently from one 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
  • R b is at each occurrence independently from one 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
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIa, with the proviso that, 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 adjacent substituents selected from among R 2 , R 3 , R 5 , and R IV .
  • the organic molecule includes or consists of a structure of Formula III
  • substituents R a and 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 adjacent substituents selected from among R a and R 5 ;
  • substituents R 1 , R 2 , R 3 , R 4 , R 5 , R I , R II , R III , R IV , and 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 adjacent substituents selected from among R 1 , R 2 , R 3 , R 4 , R 5 , R I , R II , R III , R IV , and R V .
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula III, with the proviso that, if X is NR 3 , 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 adjacent substituents selected from among R 2 , R 3 , R 5 , and R IV .
  • the organic molecule includes or consists of a structure of Formula III-1
  • R 3 is a C 6 -C 60 -aryl, which is optionally substituted with one or more substituents R 6 .
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula III-1, wherein 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 adjacent substituents selected from among R 2 , R 3 , R 5 , and/or R IV .
  • the organic molecule includes or consists of a structure of Formula III-2
  • R 3 is a C 6 -C 18 -aryl, which is optionally substituted with one or more substituents R 5 .
  • the organic molecule includes or consists of a structure of Formula III-2 wherein R 3 is a C 6 -C 18 -aryl, which is optionally substituted with one or more substituents R 6 ,
  • R V is selected from the group consisting of
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula III-2, wherein 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 adjacent substituents selected from among R 2 , R 3 , R 5 , and R IV .
  • the organic molecule includes or consists of a structure of Formula III-2, wherein R V is N(C 6 -C 18 -aryl) 2 .
  • the organic molecule includes or consists of a structure of Formula III-2a
  • each dotted line is an attachment point.
  • the organic molecule includes or consists of a structure of Formula III-2a, wherein R 3 is a C 6 -C 18 -aryl, which is optionally substituted with one or more substituents R 5 and
  • R 1 , R 2 , R I , R II , R III , R IV , and R V forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more adjacent substituents selected from among R 1 , R 2 , R 3 , R 4 , R 5 , R I , R II , R III , R IV , and R V , wherein the ring system is selected from the following groups:
  • the organic molecule includes or consists of a structure of Formula III-2b
  • the organic molecule includes or consists of a structure of Formula III-2b, wherein
  • each dotted line is an attachment point.
  • the organic molecule includes or consists of a structure of Formula III-2b, wherein
  • each dotted line is an attachment point.
  • the organic molecule includes or consists of a structure of Formula III-2b, wherein
  • each dotted line is an attachment point.
  • the organic molecule/oligomer includes or consists of a structure of Formula III-2b, wherein at least one R a is different from hydrogen.
  • the organic molecule includes or consists of a structure of Formula III-2c
  • the organic molecule includes or consists of a structure of Formula III-2c, wherein
  • each dotted line is an attachment point.
  • the organic molecule includes or consists of a structure of Formula III-2c, wherein
  • each dotted line is an attachment point.
  • the organic molecule includes or consists of a structure of Formula III-2c, wherein
  • each dotted line is an attachment point.
  • the organic molecule includes or consists of a structure of Formula III-2c, wherein
  • each dotted line is an attachment point.
  • the organic molecule/oligomer includes or consists of a structure of Formula III-2c, wherein at least one R a is different from hydrogen.
  • the organic molecule includes or consists of a structure of Formula III-2d-I, Formula III-2d-II, Formula III-2d-III, and/or Formula III-2d-IV:
  • the organic molecule/oligomer includes or consists of a structure of Formula III-2d-I, Formula III-2d-II, Formula III-2d-III, and/or Formula III-2d-IV, wherein at least one R a is different from hydrogen.
  • the organic molecule/oligomer includes or consists of a structure of Formula III-2d-I, Formula III-2d-II, Formula III-2d-III, and/or Formula III-2d-IV, wherein X 1 is O.
  • the organic molecule includes or consists of a structure of Formula III-2d-III:
  • the organic molecule/oligomer includes or consists of a structure of Formula wherein at least one R a is different from hydrogen.
  • the organic molecule/oligomer includes or consists of a structure of Formula III-2d-III, wherein X 1 is O.
  • the organic molecule includes or consists of a structure of Formula III-2d-IIIa:
  • the organic molecule/oligomer includes or consists of a structure of Formula III-2d-IIIa, wherein at least one R a is different from hydrogen.
  • the organic molecule/oligomer includes or consists of a structure of Formula III-2d-IIIa, wherein X 1 is O.
  • the organic molecule includes or consists of a structure of Formula III-2d-IIIb:
  • the organic molecule/oligomer includes or consists of a structure of Formula III-2d-IIIb, wherein at least one R a is different from hydrogen.
  • the organic molecule/oligomer includes or consists of a structure of Formula III-2d-IIIb, wherein X 1 is O.
  • the organic molecule includes or consists of a structure of Formula III-2d-IIIc:
  • the organic molecule/oligomer includes or consists of a structure of Formula III-2d-IIIc, wherein at least one R a is different from hydrogen.
  • the organic molecule/oligomer includes or consists of a structure of Formula III-2d-IIIc, wherein X 1 is O.
  • the organic molecule includes or consists of a structure of Formula III-3, Formula III-4, or Formula III-5
  • the organic molecule includes or consists of a structure of Formula III-3, Formula III-4, or Formula III-5, wherein R V is selected from the group consisting of:
  • one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF 3 , or F;
  • one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF 3 , or F;
  • one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF 3 , or F;
  • one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF 3 , or F;
  • one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF 3 , or F;
  • substituents R a and 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 adjacent substituents selected from among R a and R 5 ;
  • R a and R 5 is at each occurrence independently from one another selected from the group consisting of hydrogen (H), methyl (Me), i-propyl (CH(CH 3 ) 2 ) ( i Pr), t-butyl ( t Bu), phenyl (Ph), CN, CF 3 , and diphenylamine (NPh 2 ).
  • the organic molecule includes or consists of a structure of Formula IIIa
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIa, with the proviso that, if X is NR 3 , 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 adjacent substituents selected from among R 2 , R 3 , R 5 , and R IV .
  • the organic molecule includes or consists of a structure selected from the group consisting of Formula IIIa-1 and Formula IIIa-2
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIa-1 or IIIa-2, with the proviso that, if X is NR 3 , 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 adjacent substituents selected from among R 2 , R 3 , R 5 , and R IV .
  • the organic molecule includes or consists of a structure of Formula IIIb
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIb, wherein 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 adjacent substituents selected from among R 2 , R 3 , R 5 , and R IV .
  • the organic molecule includes or consists of a structure selected from the group consisting of Formula IIIb-1 and Formula IIIb-2
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIb-1 or IIIb-2, wherein 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 adjacent substituents selected from among R 2 , R 3 R 5 , and R IV .
  • the organic molecule includes or consists of a structure of Formula IIIc
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIc, with the proviso that, if X is NR 3 , 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 adjacent substituents selected from among R 2 , R 3 , and R 5 .
  • the organic molecule includes or consists of a structure selected from the group consisting of Formula IIIc-1 and Formula IIIc-2
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIc-1 or IIIc-2, with the proviso that, if X is NR 3 , 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 adjacent substituents selected from among R 2 , R 3 , and R 5 .
  • the organic molecule includes or consists of a structure of Formula IIId
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIId, wherein 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 adjacent substituents selected from among R 2 , R 3 , and R 5 .
  • the organic molecule includes or consists of a structure selected from the group consisting of Formula IIId-1 and Formula IIId-2
  • R V is selected from the group consisting of:
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIId-1 or IIId-2, wherein 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 adjacent substituents selected from among R 2 , R 3 , and R 5 .
  • the organic molecule includes or consists of a structure of Formula IIIe-0
  • Q 1 is selected from the group consisting of C and CR III ;
  • Q 2 is selected from the group consisting of C and CR II ;
  • Q 3 is selected from the group consisting of C and CR I ,
  • Q 4 is selected from the group consisting of C and CR 1 ;
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe-0, wherein 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 adjacent substituents selected from among R 2 , R 3 , R 5 , and R IV .
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe-0, wherein R V forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more adjacent substituents selected from among R 2 , R 3 , R 5 , and R IV .
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe-0, wherein at least one substituent selected from the group consisting of R 1 , R 2 , R III , R IV , and R V forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more adjacent substituents selected from among R 1 , R 2 , R 3 , R 4 , R 5 , R I , R II , R III , R IV , and R V .
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe-0, wherein R 3 is independently from one another selected from the group consisting of:
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe-0, wherein R 3 is independently from one another selected from the group consisting of:
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe-0, wherein Q 4 is CR'.
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe-0, wherein R a is at each occurrence independently from one another selected from the group consisting of: hydrogen;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe-0, wherein R a is at each occurrence independently from one another selected from the group consisting of: hydrogen;
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe-0, wherein R a is at each occurrence independently from one another selected from the group consisting of: hydrogen,
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe-0, wherein R 1 , R 2 , R 3 , R 4 , R I , R II , R III , R IV , and R V are independently from one another selected from the group consisting of: hydrogen;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • R 5 is at each occurrence independently from one 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;
  • CH 2 -groups are optionally substituted by R 6 C ⁇ CR 6 , C ⁇ C, Si(R 6 ) 2 , Ge(R 6 ) 2 , Sn(R 6 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 6 , P( ⁇ O)(R 6 ), SO, SO 2 , NR 6 , O, S or CONR 6 ;
  • groups R 1 , R 2 , R 3 , R I , R II , R III , R IV , R 5 , and R V 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, deuterium, halogen, CN or CF 3 .
  • the organic molecule includes or consists of a structure of Formula IIIe-0b
  • the organic molecule includes or consists of a structure of Formula IIIe
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe, wherein 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 adjacent substituents selected from among R 2 , R 3 , R 5 , and R IV .
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe, wherein R V forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more adjacent substituents selected from among R 2 , R 3 , R 5 , and R IV .
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe, wherein at least one substituent selected from the group consisting of R 1 , R 2 , R III , R IV , and R V forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more adjacent substituents selected from among R 1 , R 2 , R 3 , R 4 , R 5 , R I , R II , R III , R IV , and R V .
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe, wherein R 3 is independently from one another selected from the group consisting of:
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe, wherein R 3 is independently from one another selected from the group consisting of:
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe, wherein R a is at each occurrence independently from one another selected from the group consisting of: hydrogen;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe, wherein R a is at each occurrence independently from one another selected from the group consisting of: hydrogen;
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe, wherein R a is at each occurrence independently from one another selected from the group consisting of: hydrogen,
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe, wherein R 1 , R 2 , R 3 , R4, R I , R II , R III , R IV , and R V are each independently from one another selected from the group consisting of: hydrogen;
  • CH 2 -groups are optionally substituted by R 5 C ⁇ CR 5 , C ⁇ C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 5 , P( ⁇ O)(R 5 ), SO, SO 2 , NR 5 , O, S or CONR 5 ;
  • R 5 is at each occurrence independently from one 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;
  • CH 2 -groups are optionally substituted by R 6 C ⁇ CR 6 , C ⁇ C, Si(R 6 ) 2 , Ge(R 6 ) 2 , Sn(R 6 ) 2 , C ⁇ O, C ⁇ S, C ⁇ Se, C ⁇ NR 6 , P( ⁇ O)(R 6 ), SO, SO 2 , NR 6 , O, S or CONR 6 ;
  • groups R 1 , R 2 , R 3 , R I , R II , R III , R IV , R 5 , and R V 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, deuterium, halogen, CN or CF 3 .
  • the organic molecule includes or consists of a structure of Formula IIIe-2
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe-2, wherein 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 adjacent substituents selected from among R 2 , R 3 , R 5 , and R IV .
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe-2, wherein R V forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more adjacent substituents selected from among R 2 , R 3 , R 5 , and R IV .
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe-2, wherein at least one substituent selected from the group consisting of R 1 , R 2 , R III , R IV , and R V forms a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more adjacent substituents selected from among R 1 , R 2 , R 3 , R 4 , R 5 , R I , R II , R III , R IV , and R V .
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe-2, wherein R 3 is independently from one another selected from the group consisting of:
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe-2, wherein R 3 is independently from one another selected from the group consisting of:
  • the organic light-emitting molecule of the invention includes or consists of a structure of Formula IIIe-2, wherein R a is at each occurrence independently from one another selected from the group consisting of: hydrogen;

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