Polymers
The present invention relates to novel polymers comprising a repeating unit of the formula (I) and their use in electronic devices. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high stability of the emission color can be observed, if the polymers according to the invention are used in organic light emitting diodes (OLEDs).
1. A polymer comprising a repeating unit(s) of the formula
wherein A is a 5-, 6-, or 7-membered heteroaromatic ring, containing at least one heteroatom selected from nitrogen, oxygen and sulfur, when A is 5-membered ring, A contains not more than 2 heteroatom,
R a , R 1 , R 2 , R 3 , R 4 , R 1′ , R 2′ , R 3′ and R 4′ are independently of each other hydrogen, halogen, or an organic substituent, or
R a , R 1 , R 2 , R 3 , R 4 , R 1′ , R 2′ , R 3′ and R 4′ , if possible, together form an aromatic, or heteroaromatic ring, or ring system, which can optionally be substituted,
R 7 is halogen, or an organic substituent, wherein two or more substituents R 7 in the same molecule may have different meanings, or can form together an aromatic, or heteroaromatic ring, or ring system, wherein
at least one of R a , R 1 , R 2 , R 3 , R 4 , R 1′ , R 2′ , R 3′ and R 4′ is a group R 10 , wherein
R 10 is a group -(Sp) x1 -[PG′]<, wherein
Sp is a spacer unit,
PG′ is a group derived from a polymerisable group selecting from —C(R 44 )═CH 2 , —NHC(O)—C(R 45 )═CH 2 , —OCH 2 CH 2 OC(O)—C(R 45 )═CH 2 , —OC(O)—C(R 45 )═CH 2 , —C(O)—C(R 46 )═CH 2 , —C≡C—, —C≡, —OCH(CH 2 CH 2 CH═CH 2 ) 2 ; C 5 -C 8 cycloalkenyl, a substituted or unsubstituted bicycloalkenyl group having 5 to 30 carbon atoms,
wherein
s is an integer from 1 to 6, m1 is an integer from 1 to 6,
R 6 is hydrogen, or C 1 -C 20 alkyl,
R 44 is hydrogen, or C 1 -C 4 alkyl, or halogen,
R 45 is hydrogen, C 1 -C 4 alkyl, or halogen, and
R 46 is hydrogen, C 1 -C 4 alkyl, or C 6 -C 12 aryl, or
PG′ is a group derived from a polymerisable group
wherein
AHG is an aromatic, or heteroaromatic residue
R 211 and R 212 are independently of each other H, halogen, —C≡CH, boronic acid, or boronic esters, —Mg-Hal, —Zn-Hal, —Sn (R 213 ) 3 , wherein Hal is halogen, and R 213 is C 1 -C 18 alkyl,
R 214 and R 214 ′ are independently of each other H, C 1 -C 18 alkyl, C 1 -C 18 alkyl which is interrupted by D, C 1 -C 18 perfluoroalkyl, C 1 -C 18 alkoxy, C 1 -C 18 alkoxy which is interrupted by D, or C 7 -C 25 aralkyl,
x1 is 0, or 1, and
x is 0, or an integer of 1 to 4.
2. A polymer according to claim 1 , comprising a repeating unit(s) of the formula
wherein
R 1 and R 1′ are independently of each other hydrogen, halogen, C 1 -C 18 alkyl, C 1 -C 18 alkyl which is substituted by E and/or interrupted by D, C 1 -C 18 perfluoroalkyl, C 2 -C 18 alkenyl, C 2 -C 18 alkynyl, C 1 -C 18 alkoxy, C 1 -C 18 alkoxy which is substituted by E and/or interrupted by D, CN, or —CO—R 28 ,
R 2 , R 3 , R 4 , R 2′ , R 3′ and R 4′ , are independently of each other H, halogen, C 1 -C 18 alkyl, C 1 -C 18 alkyl which is substituted by E and/or interrupted by D, C 1 -C 18 perfluoroalkyl, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, C 2 -C 20 heteroaryl, C 2 -C 20 heteroaryl which is substituted by G, C 2 -C 18 alkenyl, C 2 -C 18 alkynyl, C 1 -C 18 alkoxy, C 1 -C 18 alkoxy which is substituted by E and/or interrupted by D, C 7 -C 25 aralkyl, CN, or —CO—R 28 ,
R 8 is H, C 1 -C 18 alkyl, C 1 -C 18 alkyl which is substituted by E and/or interrupted by D, C 1 -C 18 perfluoroalkyl, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, C 2 -C 20 heteroaryl, C 2 -C 20 heteroaryl which is substituted by G, C 2 -C 18 alkenyl, C 2 -C 18 alkynyl, C 1 -C 18 alkoxy, C 1 -C 18 alkoxy which is substituted by E and/or interrupted by D, C 7 -C 25 aralkyl, CN, or —CO—R 28 ,
R 9′ , R 9″ , R 99 and R 99′ is H, C 1 -C 18 alkyl, C 1 -C 18 alkyl which is substituted by E and/or interrupted by D, C 1 -C 18 perfluoroalkyl, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, C 2 -C 20 heteroaryl, C 2 -C 20 heteroaryl which is substituted by G, C 2 -C 18 alkenyl, C 2 -C 18 alkynyl, C 1 -C 18 alkoxy, C 1 -C 18 alkoxy which is substituted by E and/or interrupted by D, C 7 -C 25 aralkyl, or —CO—R 28 ,
R 10 is a group -(Sp) x1 -[PG′]<, wherein Sp is a spacer unit, PG′ is a group derived from a polymerisable group, and x1 is 0, or 1, or
R 8 and R 10 together form a group
wherein one of the substituents R 205 , R 206 , R 207 and R 208 , and one of the substituents R 208 and R 210 is a group R 10 and the other substituents are independently of each other H, C 1 -C 18 alkyl, C 1 -C 18 alkyl which is substituted by E and/or interrupted by D, C 1 -C 18 alkoxy, or C 1 -C 18 alkoxy which is substituted by E and/or interrupted by D,
R 11 and R 11′ are independently of each other hydrogen, halogen, C 1 -C 18 alkyl, C 1 -C 18 alkyl which is substituted by E and/or interrupted by D, C 1 -C 18 perfluoroalkyl, C 2 -C 18 alkenyl, C 2 -C 18 alkynyl, C 1 -C 18 alkoxy, C 1 -C 18 alkoxy which is substituted by E and/or interrupted by D, CN, or —CO—R 28 ,
R 12 , R 13 , R 14 , R 12′ , R 13′ and R 14′ are independently of each other H, halogen, C 1 -C 18 alkyl, C 1 -C 18 alkyl which is substituted by E and/or interrupted by D, C 1 -C 18 perfluoroalkyl, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, C 2 -C 20 heteroaryl, C 2 -C 20 heteroaryl which is substituted by G, C 2 -C 18 alkenyl, C 2 -C 18 alkynyl, C 1 -C 18 alkoxy, C 1 -C 18 alkoxy which is substituted by E and/or interrupted by D, C 7 -C 25 aralkyl, CN or —CO—R 28 ,
X is O, S, or NR 17 , wherein R 17 is C 1 -C 18 alkyl, C 1 -C 18 alkyl which is substituted by E and/or interrupted by D, C 1 -C 18 perfluoroalkyl, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, C 2 -C 20 heteroaryl, C 2 -C 20 heteroaryl which is substituted by G, C 2 -C 18 alkenyl, C 2 -C 18 alkynyl, C 7 -C 25 aralkyl, or —CO—R 28 ;
or two substituents R 1 , R 2 , R 3 and R 4 ; R 1′ , R 2′ , R 3′ and R 4′ ; R 11 , R 12 , R 13 and R 14 ; R 11′ , R 12′ , R 13′ and R 14′ , which are adjacent to each other, together form a group
or two substituents R 99 and R 99′ , which are adjacent to each other, together form a group
two substituents R 4 and R 4′ , and/or R 14 and R 14′ , which are adjacent to each other, together form a group
wherein X 3 is O, S, C(R 119 )(R 120 ), or NR 17 , wherein R 17 is as defined above, R 105 , R 106 , R 107 , R 108 , R 105′ , R 106′ , R 107′ and R 108′ are independently of each other H, C 1 -C 18 alkyl, C 1 -C 18 alkyl which is substituted by E and/or interrupted by D, C 1 -C 18 alkoxy, or C 1 -C 18 alkoxy which is substituted by E and/or interrupted by D,
R 119 and R 120 are independently of each other H, C 1 -C 18 alkyl, C 1 -C 18 alkyl which is substituted by E and/or interrupted by D, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, C 2 -C 20 heteroaryl, C 2 -C 20 heteroaryl which is substituted by G, C 2 -C 18 alkenyl, C 2 -C 18 alkynyl, C 1 -C 18 alkoxy, C 1 -C 18 alkoxy which is substituted by E and/or interrupted by D, or C 7 -C 25 aralkyl, or
R 119 and R 120 together form a group of formula ═CR 121 R 122 , wherein
R 121 and R 122 are independently of each other H, C 1 -C 18 alkyl, C 1 -C 18 alkyl which is substituted by E and/or interrupted by D, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, or C 2 -C 20 heteroaryl, or C 2 -C 20 heteroaryl which is substituted by G, or
R 119 and R 120 together form a five or six membered ring, which optionally can be substituted by C 1 -C 18 alkyl, C 1 -C 18 alkyl which is substituted by E and/or interrupted by D, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, C 2 -C 20 heteroaryl, C 2 -C 20 heteroaryl which is substituted by G, C 2 -C 18 alkenyl, C 2 -C 18 alkynyl, C 1 -C 18 alkoxy, C 1 -C 18 alkoxy which is substituted by E and/or interrupted by D, C 7 -C 25 aralkyl, or —C(═O)—R 127 , and
R 127 is H; C 6 -C 18 aryl; C 6 -C 18 aryl which is substituted by C 1 -C 18 alkyl, or C 1 -C 18 alkoxy; C 1 -C 18 alkyl; or C 1 -C 18 alkyl which is interrupted by —O—,
D is —CO—; —COO—; —S—; —SO—; —SO 2 —; —O—; —NR 25 —; —SiR 30 R 31 —; —POR 32 —; —CR 23 ═CR 24 —; or —C≡C—; and
E is —OR 29 ; —SR 29 ; —NR 25 R 26 ; —COR 28 ; —COOR 27 ; —CONR 25 R 26 ; —CN; or halogen; G is E, C 1 -C 18 alkyl, C 1 -C 18 alkyl which is interrupted by D, C 1 -C 18 perfluoroalkyl, or C 1 -C 18 alkoxy which is substituted by E and/or interrupted by D, wherein
R 23 , R 24 , R 25 and R 26 are independently of each other H; C 6 -C 18 aryl; C 6 -C 18 aryl which is substituted by C 1 -C 18 alkyl, or C 1 -C 18 alkoxy; C 1 -C 18 alkyl; or C 1 -C 18 alkyl which is interrupted by —O—; or
R 25 and R 26 together form a five or six membered ring, R 27 and R 28 are independently of each other H; C 6 -C 18 aryl; C 6 -C 18 aryl which is substituted by C 1 -C 18 alkyl, or C 1 -C 18 alkoxy; C 1 -C 18 alkyl; or C 1 -C 18 alkyl which is interrupted by —O—,
R 29 is H; C 6 -C 18 aryl; C 6 -C 18 aryl, which is substituted by C 1 -C 18 alkyl, or C 1 -C 18 alkoxy; C 1 -C 18 alkyl; or C 1 -C 18 alkyl which is interrupted by —O—,
R 30 and R 31 are independently of each other C 1 -C 18 alkyl, C 6 -C 18 aryl, or C 6 -C 18 aryl, which is substituted by C 1 -C 18 alkyl, and
R 32 is C 1 -C 18 alkyl, C 6 -C 18 aryl, or C 6 -C 18 aryl, which is substituted by C 1 -C 18 alkyl, or
R 9′ , R 12 , R 13 , R 14 , R 12′ , R 13′ and R 14′ are a group -(Sp) x1 -HEI, wherein
Sp is a spacer unit,
HEI is a group (HEI I ), which increases the hole-injection or hole-transport properties of the polymers; or a group (HEI II ), which increases the electron-injection or electron-transport properties of the polymers,
x1 is 0, or 1, with the proviso that at least one of the substituents R 12 , R 13 , R 12′ and R 13′ of the compound of the formula XIV is a group R 10 .
3. A polymer according to claim 2 , comprising a repeating unit of the formula X, or XI, wherein R 1 and R 1′ are hydrogen,
R 2 , R 3 , R 4 , R 2′ , R 3′ and R 4′ are independently of each other H, C 1 -C 18 alkyl, C 1 -C 18 alkyl which is interrupted by D, C 1 -C 18 perfluoroalkyl, C 1 -C 18 alkoxy, C 1 -C 18 alkoxy which is interrupted by D, or C 7 -C 25 aralkyl,
R 8 is H, C 1 -C 18 alkyl, C 1 -C 18 alkyl which is interrupted by D, C 1 -C 18 perfluoroalkyl, C 1 -C 18 alkoxy, or C 1 -C 18 alkoxy which is interrupted by D,
two substituents R 1 , R 2 , R 3 , R 4 , R 1′ , R 2′ , R 3′ and R 4′ , which are adjacent to each other, together form a group
or two substituents R 4 and R 4′ , which are adjacent to each other, together form a group
wherein R 105 , R 106 , R 107 and —R 108 are independently of each other H, or C 1 -C 8 alkyl,
R 10 is a group -(Sp) x1 -[PG′]<, wherein Sp is a spacer unit, PG′ is a group derived from a polymerisable group, and x1 is 0, or 1,
D is —CO—; —COO—; —S—; —SO—; —SO 2 —; —O—; —NR 25 —; —CR 23 ═CR 24 —; or —C≡C—; wherein
R 23 , R 24 , R 25 and R 26 are independently of each other H; C 6 -C 18 aryl; C 6 -C 18 aryl which is substituted by C 1 -C 8 alkyl, or C 1 -C 8 alkoxy; C 1 -C 8 alkyl; or C 1 -C 8 alkyl which is interrupted by —O—, or R 25 and R 26 together form a five or six membered ring, or
a polymer according to claim 2 , comprising a repeating unit of the formula
wherein
R 9′ is H, C 6 -C 18 aryl, which can be substituted by G, C 2 -C 18 heteroaryl, which can be substituted by G, C 1 -C 18 alkyl, C 1 -C 18 alkyl which is interrupted by D, C 1 -C 18 perfluoroalkyl, C 1 -C 18 alkoxy, or C 1 -C 18 alkoxy which is substituted by E and/or interrupted by D,
R 11 and R 11′ are hydrogen,
R 12 , R 13 , R 14 , R 12′ , R 13′ and R 14′ are hydrogen,
R 17 is C 6 -C 18 aryl; C 6 -C 18 aryl which is substituted by C 1 -C 18 alkyl, or C 1 -C 18 alkoxy; C 1 -C 18 alkyl; or C 1 -C 18 alkyl which is interrupted by —O—; or
two substituents R 11 , R 12 , R 13 , R 14 , R 11′ , R 12′ , R 13′ and R 14′ , which are adjacent to each other, together form a group
or two substituents R 14 and R 14′ , which are adjacent to each other, together form a group
4. A polymer according to claim 1 , wherein Sp is selected from —Ar—, —ArY—, —YAr—, —YAr(CR 47 R 48 ) n —, —ArY(CR 47 R 48 ) n Ar—, —ArY(CR 47 R 48 ) n —, —(CR 47 R 48 ) n , —(YCR 47 R 48 ) n —, or —(CR 47 R 48 Y) n —, wherein
Y is NR 5 , O, S, C═O, C(═O)O, wherein R 5 is H; C 6 -C 18 aryl; C 6 -C 18 aryl which is substituted by C 1 -C 18 alkyl, or C 1 -C 18 alkoxy; C 1 -C 18 alkyl; or C 1 -C 18 alkyl which is interrupted by —O—;
R 47 and R 48 are independently of each other hydrogen, fluorine, or C 1 -C 20 alkyl,
n is an integer of 1 to 20,
Ar is alkylen, cycloalkylen, arylen, aralkylene, or heteroarylen, which can optionally be substituted.
5. The polymer according to claim 1 , wherein the polymer is a
a homopolymer of formula
wherein
Cpd.
PG′
R 13
R 13′
R 17
A-1
H
H
H
A-2
H
H
n-C 8 H 17
A-3
H
H
A-4
N(Ph) 2
N(Ph) 2
n-C 8 H 17
A-5
n-C 8 H 17
n-C 8 H 17
A-7
n-C 8 H 17
n-C 8 H 17
n-C 8 H 17
A-8
H
H
H
A-9
H
H
n-C 8 H 17
A-10
H
H
A-11
N(Ph) 2
N(Ph) 2
n-C 8 H 17
A-12
n-C 8 H 17
n-C 8 H 17
A-13
n-C 8 H 17
n-C 8 H 17
n-C 8 H 17
A-14
H
H
H
A-15
H
H
n-C 8 H 17
A-16
H
H
A-17
N(Ph) 2
N(*Ph) 2
n-C 8 H 17
A-18
n-C 8 H 17
n-C 8 H 17
A-19
n-C 8 H 17
n-C 8 H 17
n-C 8 H 17
A-20
H
H
H
A-21
H
H
n-C 8 H 17
A-22
H
H
A-23
N(Ph) 2
N(Ph) 2
n-C 8 H 17
A-24
n-C 8 H 17
n-C 8 H 17
A-25
n-C 8 H 17
n-C 8 H 17
n-C 8 H 17
A-26
H
H
H
A-27
H
H
n-C 8 H 17
A-28
H
H
A-29
N(Ph) 2
N(Ph) 2
n-C 8 H 17
A-30
n-C 8 H 17
n-C 8 H 17
A-31
n-C 8 H 17
n-C 8 H 17
n-C 8 H 17
A-32
1)
H
H
H
A-33
1)
H
H
n-C 8 H 17
A-34
1)
H
H
A-35
1)
N(Ph) 2
N(Ph) 2
n-C 8 H 17
A-36
1)
n-C 8 H 17
n-C 8 H 17
A-37
1)
n-C 8 H 17
n-C 8 H 17
n-C 8 H 17
A-38
2)
H
H
H
A-39
2)
H
H
n-C 8 H 17
A-40
2)
H
H
A-41
2)
N(Ph) 2
N(Ph) 2
n-C 8 H 17
A-42
2)
n-C 8 H 17
n-C 8 H 17
A-43
2)
n-C 8 H 17
n-C 8 H 17
n-C 8 H 17
A-44
H
H
H
A-45
H
H
n-C 8 H 17
A-46
H
H
A-47
N(Ph) 2
N(Ph) 2
n-C 8 H 17
A-48
n-C 8 H 17
n-C 8 H 17
A-49
n-C 8 H 17
n-C 8 H 17
n-C 8 H 17
A-50
H
H
H
A-51
H
H
n-C 8 H 17
A-52
H
H
A-53
N(Ph) 2
N(Ph) 2
n-C 8 H 17
A-54
n-C 8 H 17
n-C 8 H 17
A-55
n-C 8 H 17
n-C 8 H 17
n-C 8 H 17
A-56
H
H
H
A-57
H
H
n-C 8 H 17
A-58
H
H
A-59
N(Ph) 2
N(Ph) 2
n-C 8 H 17
A-60
n-C 8 H 17
n-C 8 H 17
A-61
n-C 8 H 17
n-C 8 H 17
n-C 8 H 17
A-62
H
H
H
A-63
H
H
n-C 8 H 17
A-64
H
H
A-65
N(Ph) 2
N(Ph) 2
n-C 8 H 17
A-66
n-C 8 H 17
n-C 8 H 17
A-67
n-C 8 H 17
n-C 8 H 17
n-C 8 H 17
A-68
H
H
H
A-69
H
H
n-C 8 H 17
A-70
H
H
A-71
N(Ph) 2
N(Ph) 2
n-C 8 H 17
A-72
n-C 8 H 17
n-C 8 H 17
A-73
n-C 8 H 17
n-C 8 H 17
n-C 8 H 17
A-74
H
H
H
A-75
H
H
n-C 8 H 17
A-76
H
H
A-77
N(Ph) 2
N(Ph) 2
n-C 8 H 17
A-78
n-C 8 H 17
n-C 8 H 17
A-79
n-C 8 H 17
n-C 8 H 17
n-C 8 H 17
1)
;
2)
;
3)
;
a homopolymer of formula
wherein
Cpd.
PG′
R 13
R 13′
B-1
H
H
B-2
N(Ph) 2
N(Ph) 2
B-3
n-C 8 H 17
n-C 8 H 17
B-4
H
H
B-5
N(Ph) 2
N(Ph) 2
B-6
n-C 8 H 17
n-C 8 H 17
B-7
H
H
B-8
N(Ph) 2
N(Ph) 2
B-9
n-C 8 H 17
n-C 8 H 17
B-10
H
H
B-11
N(Ph) 2
N(Ph) 2
B-12
n-C 8 H 17
n-C 8 H 17
B-13
H
H
B-14
N(Ph) 2
N(Ph) 2
B-15
n-C 8 H 17
n-C 8 H 17
B-16
1)
H
H
B-17
1)
N(Ph) 2
N(Ph) 2
B-18
1)
n-C 8 H 17
n-C 8 H 17
B-19
2)
H
H
B-20
2)
N(Ph) 2
N(Ph) 2
B-21
2)
n-C 8 H 17
n-C 8 H 17
B-22
H
H
B-23
N(Ph) 2
N(Ph) 2
B-24
n-C 8 H 17
n-C 8 H 17
B-25
H
H
B-26
N(Ph) 2
N(Ph) 2
B-27
n-C 8 H 17
n-C 8 H 17
B-28
H
H
B-29
N(Ph) 2
N(Ph) 2
B-30
n-C 8 H 17
n-C 8 H 17
B-31
H
H
B-32
N(Ph) 2
N(Ph) 2
B-33
n-C 8 H 17
n-C 8 H 17
B-34
H
H
B-35
N(Ph) 2
N(Ph) 2
B-36
n-C 8 H 17
n-C 8 H 17
B-37
H
H
B-38
N(Ph) 2
N(Ph) 2
B-39
n-C 8 H 17
n-C 8 H 17
1)
;
2)
;
3)
;
a homopolymer of formula
wherein
Cpd.
R 13
R 13′
R 9
Sp
PG′
C-1
H
H
Ph
C-2
H
H
C-3
H
H
C-4
n-C 8 H 15
n-C 8 H 15
Ph
C-5
n-C 8 H 15
n-C 8 H 15
Ph
C-6
Br
Br
C-7
H
H
Ph
C-8
H
H
C-9
H
H
C-10
n-C 8 H 15
n-C 8 H 15
Ph
C-11
n-C 8 H 15
n-C 8 H 15
Ph
C-12
Br
Br
C-13
H
H
Ph
C-14
H
H
C-15
H
H
C-16
n-C 8 H 15
n-C 8 H 15
Ph
C-17
n-C 8 H 15
n-C 8 H 15
Ph
C-18
Br
Br
C-19
H
H
Ph
C-20
H
H
C-21
H
H
C-22
n-C 8 H 15
n-C 8 H 15
Ph
C-23
n-C 8 H 15
n-C 8 H 15
Ph
C-24
Br
Br
C-25
H
H
Ph
C-26
H
H
C-27
H
H
C-28
n-C 8 H 15
n-C 8 H 15
Ph
C-29
n-C 8 H 15
n-C 8 H 15
Ph
C-30
Br
Br
C-31
H
H
Ph
1)
C-32
H
H
1)
C-33
H
H
1)
C-34
n-C 8 H 15
n-C 8 H 15
Ph
1)
C-35
n-C 8 H 15
n-C 8 H 15
Ph
1)
C-36
Br
Br
1)
C-37
H
H
Ph
2)
C-38
H
H
2)
C-39
H
H
2)
C-40
n-C 8 H 15
n-C 8 H 15
Ph
2)
C-41
n-C 8 H 15
n-C 8 H 15
Ph
2)
C-42
Br
Br
2)
C-43
H
H
Ph
C-44
H
H
C-45
H
H
C-46
n-C 8 H 15
n-C 8 H 15
Ph
C-47
n-C 8 H 15
n-C 8 H 15
Ph
C-48
Br
Br
C-49
H
H
Ph
C-50
H
H
C-51
H
H
C-52
n-C 8 H 15
n-C 8 H 15
Ph
C-53
n-C 8 H 15
n-C 8 H 15
Ph
C-54
Br
Br
C-55
H
H
Ph
C-56
H
H
C-57
H
H
C-58
n-C 8 H 15
n-C 8 H 15
Ph
C-59
n-C 8 H 15
n-C 8 H 15
Ph
C-60
Br
Br
C-61
H
H
Ph
C-62
H
H
C-63
H
H
C-64
n-C 8 H 15
n-C 8 H 15
Ph
C-65
n-C 8 H 15
n-C 8 H 15
Ph
C-66
Br
Br
C-67
H
H
Ph
C-68
H
H
C-69
H
H
C-70
n-C 8 H 15
n-C 8 H 15
Ph
C-71
n-C 8 H 15
n-C 8 H 15
Ph
C-72
Br
Br
C-73
H
H
Ph
C-74
H
H
C-75
H
H
C-76
n-C 8 H 15
n-C 8 H 15
Ph
C-77
n-C 8 H 15
n-C 8 H 15
Ph
C-78
Br
Br
1)
;
2)
;
3)
;
a homopolymer of formula
wherein
Cpd.
PG′
R 3
R 3′
R 8
D-1
H
H
Ph
D-2
H
H
D-3
Br
Br
n-C 8 H 17
D-4
Br
Br
D-5
H
H
Ph
D-6
H
H
D-7
Br
Br
n-C 8 H 17
D-8
Br
Br
D-9
H
H
Ph
D-10
H
H
D-11
Br
Br
n-C 8 H 17
D-12
Br
Br
D-13
H
H
Ph
D-14
H
H
D-15
Br
Br
n-C 8 H 17
D-16
Br
Br
D-17
H
H
Ph
D-18
H
H
D-19
Br
Br
n-C 8 H 17
D-20
Br
Br
D-21
1)
H
H
Ph
D-22
1)
H
H
D-23
1)
Br
Br
n-C 8 H 17
D-24
1)
Br
Br
D-25
2)
H
H
Ph
D-26
2)
H
H
D-27
2)
Br
Br
n-C 8 H 17
D-28
2)
Br
Br
D-29
H
H
Ph
D-30
H
H
D-31
Br
Br
n-C 8 H 17
D-32
Br
Br
D-33
H
H
Ph
D-34
H
H
D-35
Br
Br
n-C 8 H 17
D-36
Br
Br
D-37
H
H
Ph
D-38
H
H
D-39
Br
Br
n-C 8 H 17
D-40
Br
Br
D-41
H
H
Ph
D-42
H
H
D-43
Br
Br
n-C 8 H 17
D-44
Br
Br
D-45
H
H
Ph
D-46
H
H
D-47
Br
Br
n-C 8 H 17
D-48
Br
Br
D-49
H
H
Ph
D-50
H
H
D-51
Br
Br
n-C 8 H 17
D-52
Br
Br
1)
2)
3)
a homopolymer of formula
wherein
Cpd.
PG′
R 3
R 3′
E-1
H
H
E-2
H
H
E-3
E-4
E-5
H
H
E-6
H
H
E-7
E-8
E-9
H
H
E-10
H
H
E-11
E-12
E-13
H
H
E-14
H
H
E-15
E-16
E-17
H
H
E-18
H
H
E-19
E-20
E-21
1)
H
H
E-22
1)
H
H
E-23
1)
E-24
1)
E-25
2)
H
H
E-26
2)
H
H
E-27
2)
E-28
2)
E-29
H
H
E-30
H
H
E-31
E-32
E-33
H
H
E-34
H
H
E-35
E-36
E-37
H
H
E-38
H
H
E-39
E-40
E-41
H
H
E-42
H
H
E-43
E-44
E-45
H
H
E-46
H
H
E-47
E-48
E-49
H
H
E-50
H
H
E-51
E-52
1)
2)
3)
a homopolymer of formula
wherein
Cpd.
PG′
R 13
R 13′
R 9′
R 9″
F-1
H
H
H
H
F-2
H
H
F-3
H
H
F-4
H
H
F-5
H
H
CN
CN
F-6
H
H
F-7
H
H
F-8
H
H
F-9
H
H
F-10
H
H
F-11
H
H
F-12
H
H
F-13
H
H
F-14
H
H
F-15
H
H
F-16
H
H
F-17
H
H
F-18
H
H
tBu
F-19
H
H
F-20
H
H
tBu
F-21
H
H
F-22
H
H
F-23
H
H
F-24
H
H
F-25
N(Ph) 2
N(Ph) 2
F-26
C 8 H 17
C 8 H 17
F-27
C 8 H 17
C 8 H 17
F-28
C 8 H 17
C 8 H 17
F-29
C 8 H 17
C 8 H 17
F-30
C 8 H 17
C 8 H 17
F-31
C 8 H 17
C 8 H 17
F-32
C 8 H 17
C 8 H 17
F-33
C 8 H 17
C 8 H 17
F-34
C 8 H 17
C 8 H 17
F-35
C 8 H 17
C 8 H 17
F-36
C 8 H 17
C 8 H 17
a homopolymer of formula
wherein
Cpd.
PG′
R 13
R 13′
R 11
R 9′
G-1
H
H
H
H
G-2
H
H
H
G-3
H
H
G-4
H
H
CN
G-5
H
H
n-C 8 H 17
CN
G-6
H
H
n-C 8 H 17
G-7
H
H
G-8
H
H
G-9
H
H
G-10
H
H
G-11
H
H
G-12
H
H
G-13
H
H
G-14
H
H
G-15
H
H
G-16
H
H
G-17
H
H
G-18
H
H
tBu
G-19
H
H
G-20
H
H
tBu
G-21
H
H
G-22
H
H
G-23
H
H
G-24
H
H
G-25
N(Ph) 2
N(Ph) 2
G-26
C 8 H 17
C 8 H 17
G-27
C 8 H 17
C 8 H 17
G-28
C 8 H 17
C 8 H 17
G-29
C 8 H 17
C 8 H 17
G-30
C 8 H 17
C 8 H 17
G-31
C 8 H 17
C 8 H 17
G-32
C 8 H 17
C 8 H 17
G-33
C 8 H 17
C 8 H 17
G-34
C 8 H 17
C 8 H 17
G-35
C 8 H 17
C 8 H 17
G-36
C 8 H 17
C 8 H 17
G-37
H
H
n-C 8 H 17
H
a homopolymer of formula
wherein
Cpd.
PG′
R 11
R 9′
R 9″
H-1
H
H
H
H-2
H
H-3
H
H-4
H
H-5
H
CN
CN
H-6
H
H-7
H
H-8
H
H-9
H
H-10
H
H-11
H
H-12
H
H-13
H
H-14
H
H-15
H
H-16
H
H-17
H
H-18
H
tBu
H-19
H
H-20
H
tBu
H-21
H
H-22
H
H-23
H
H-24
—CH 3
H-25
-nC 8 H 17
H-26
H-27
H-28
H-29
H-30
H-31
H-32
H-33
H-34
H-35
H-36
H-37
H-38
H-39
H-40
H-41
H-42
a homopolymer of formula
wherein
Cpd.
PG′
R 99
R 99′
I-1
I-2
I-3
I-4
I-5
I-6
I-7
I-8
a homopolymer of formula
wherein
Cpd.
X
PG′
R 13
R 13′
R 9
J-1
S
H
H
H
J-2
SO 2
H
H
H
J-3
O
H
H
H
J-4
O
H
H
J-5
O
H
H
CN
J-6
O
H
H
J-7
O
H
H
J-8
O
H
H
J-9
O
H
H
J-10
O
H
H
J-11
O
H
H
J-12
O
H
H
J-13
O
H
H
J-14
O
H
H
J-15
O
H
H
J-16
O
H
H
J-17
O
H
H
J-18
O
H
H
J-19
O
H
H
tBu
J-20
O
H
H
J-21
O
H
H
J-22
O
H
H
J-23
O
H
H
J-24
O
N(Ph) 2
N(Ph) 2
J-25
O
C 8 H 17
C 8 H 17
J-26
C 8 H 17
C 8 H 17
J-27
C 8 H 17
C 8 H 17
J-28
C 8 H 17
C 8 H 17
J-29
C 8 H 17
C 8 H 17
J-30
C 8 H 17
C 8 H 17
J-31
C 8 H 17
C 8 H 17
or a homopolymer of formula
wherein
Cpd.
PG′
X
R 9′
R 9″
K-1
S
H
H
K-2
SO 2
H
H
K-3
O
H
H
K-4
O
K-5
O
K-6
O
CN
CN
K-7
O
K-8
O
K-9
O
K-10
O
K-11
O
K-12
O
K-13
O
K-14
O
K-15
O
K-16
O
K-17
O
K-18
O
K-19
O
tBu
K-20
O
K-21
O
tBu
K-22
O
K-23
O
K-24
O
K-25
O
K-26
O
K-27
O
K-28
O
K-29
O
K-30
O
K-31
O
K-32
O
K-33
O
K-34
O
6. The polymer according to claim 1 , wherein the polymer comprises repeating units of formula
wherein
R 216 and R 217 are independently of each other C 1 -C 18 alkyl, or C 6 -C 8 aryl, which can optionally be substituted by one, or more C 1 -C 18 alkyl groups, and R 17 is C 6 -C 18 aryl; C 6 -C 18 aryl which is substituted by C 1 -C 18 alkyl, or C 1 -C 18 alkoxy; C 1 -C 18 alkyl; or C 1 -C 18 alkyl which is interrupted by —O—; or the polymer comprises repeating units of formula
7. An electronic device or a component therefore, comprising the polymer according to claim 1 .
8. The device according to claim 7 which is an organic light emitting diode.
9. OLEDs, organic integrated circuits (O-ICs), organic field effect transistors (OFETs), organic thin film transistors (OTFTs), organic solar cells (O-SCs), thermoelectric devices, or organic laser diodes comprising one or more of the polymers according to claim 1 .
10. A polymer according to claim 1 , wherein A is a 5-, 6-, or 7-membered heteroaromatic ring, containing at least one nitrogen atom and at least one further heteroatom selected from nitrogen, substituted nitrogen, oxygen and sulfur.