Patent ID: 11910699
Assignee: UNIVERSAL DISPLAY CORPORATION
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 0:
1. A compound of Formula I:, wherein
groups A, B, C, D, E, and F are independently selected from hydrogen, deuterium or a structure of Formula II, wherein four to six of the groups A to F are independently a structure of Formula II;, T1, T2, T3, T4 and T5 are independently selected from N or CR, wherein no more than three of T1 to T5 can be N;
wherein R is selected from the group consisting of hydrogen, deuterium, halogen, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
wherein at least one of T1, T2, T3, T4 and T5 represents N and at least one of R includes a polycyclic group; or
each of T1, T2, T3, T4 and T5 represents CR and at least one R includes two polycyclic groups;
wherein each polycyclic group is selected from the group consisting of (a) a group selected from the group consisting of, wherein
the polycyclic group is bonded to one of T2, T3, or T4 in Formula II through one of X1 to X30, one of L1 to L4, or one of Z1 and Z2;
X1 to X30 are independently selected from the group consisting of N and CRX, but no single 6-membered aromatic ring can have more than three N; wherein RX is selected from the group consisting of hydrogen, deuterium, halogen, alkyl, deuterated alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
Y is selected from the group consisting of C and Si;
Z1 and Z2 are independently selected from the group consisting of NR, BR, N, O, S, Se, CR1R2, SiR1R2, and GeR1R2; wherein R1 and R2 are independently selected from the group consisting of deuterium, alkyl, aryl, heteroaryl, and combinations thereof;
L1, L2, L3, and L4 are independently selected from the group consisting of O, S, BR, NR, CR1R2 and SiR1R2;
(b), wherein
X1 to X8 are independently selected from the group consisting of N and CRX, but no single 6-membered aromatic ring can have more than three N; wherein RX is selected from the group consisting of hydrogen, deuterium, halogen, alkyl, deuterated alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
the polycyclic group is bonded to one of T2, T3, or T4 in Formula II through one of X1 to X8;
Z1 is selected from the group consisting of, BR, NR, O, S, Se, CR1R2, SiR1R2, and GeR1R2; provided that when Z1 is O or S, then at least one of X1 to X8 is N; and
R1 and R2 are independently selected from the group consisting of deuterium, alkyl, aryl, heteroaryl, and combinations thereof;
(c), wherein
the polycyclic group is bonded to one of T2, T3, or T4 in Formula II through Z1;
Z1 is N;
X1 to X8 are independently selected from the group consisting of N and CRX, but no single 6-membered aromatic ring can have more than three N; wherein RX is selected from the group consisting of hydrogen, deuterium, halogen, alkyl, deuterated alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; and
at least one RX is heteroaryl;

(d), wherein
the polycyclic group is bonded to one of T2, T3, or T4 in Formula II through one of X1 to X8 or one of Z1 and Z2;
X1 to X8 are independently selected from the group consisting of N and CRX, but no single 6-membered aromatic ring can have more than three N; wherein RX is selected from the group consisting of hydrogen, deuterium, halogen, alkyl, deuterated alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
Z1 is NR or N,
wherein when Z1 is NR, Z2 is selected from the group consisting of NR, BR, N, O, S, Se, CR1R2, SiR1R2, and GeR1R2;
wherein when Z1 is N, Z2 is selected from the group consisting of NR, BR, N, Se, CR1R2, SiR1R2, and GeR1R2; and
R1 and R2 are independently selected from the group consisting of deuterium, aryl, heteroaryl, and combinations thereof;

(e), wherein
the polycyclic group is bonded to one of T2, T3, or T4 in Formula II through one of X1 to X8 or one of Z1 and Z2;
X1 to X8 are independently selected from the group consisting of N and CRX, but no single 6-membered aromatic ring can have more than three N; wherein RX is selected from the group consisting of hydrogen, deuterium, halogen, alkyl, deuterated alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
Z1 and Z2 are independently selected from the group consisting of BR, O, S, Se, CRfR2, SiR1R2, and GeR1R2; and
R1 and R2 are independently selected from the group consisting of deuterium, alkyl, aryl, heteroaryl, and combinations thereof; and

(f), wherein
the polycyclic group is bonded to one of T2, T3, or T4 in Formula II through one of X1 to X8 or one of Z1 and Z2;
X1 to X8 are independently selected from the group consisting of N and CRX, but no single 6-membered aromatic ring can have more than three N; wherein RX is selected from the group consisting of hydrogen, deuterium, halogen, alkyl, deuterated alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
Z1 and Z2 are independently selected from the group consisting of NR, BR, N, O, S, Se, CR1R2, SiR1R2, and GeR1R2; wherein R1 and R2 are independently selected from the group consisting of deuterium, alkyl, aryl, heteroaryl, and combinations thereof; provided that when one of Z1 and Z2 is N, then the other of Z1 and Z2 is not O.