Patent ID: 11919914
Assignee: UNIVERSAL DISPLAY CORPORATION
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  H | IPC C  H

Claim 0:
1. A compound comprising a structure of Formula I, , wherein:
X1-X11 are each independently C or N;
L2, and L3 are each independently selected from the group consisting of O, S, Se, and SiRR′;
L1 is not always present but when present, L1 is selected from the group consisting of O, S, Se, and SiRR′ and X10 and X11 are both C;
L2 and L3 are always present;
R1, R2, and R3 each independently represents zero, mono, or up to a maximum allowed substitution to its associated ring; each of R1, R2, and R3 is independently a hydrogen or a substituent selected from the group consisting of Formulae II, III, IV, V, VI, VII, and VIII, deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, boryl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof, with at least one of R1, R2, and R3 comprising a structure selected from the group consisting of Formulae II, III, IV, V, VI, VII, and VIII and aza variants thereof:
wherein, Formulae II, III, IV, V, VI, VII, and VIII are defined as follows:, and
with the proviso that when X1-X11 are all C, at least one of R1, R2, and R3 comprises a group selected from the group consisting of Formulas II, III, IV, V, VI, and VII;
when one of R1, R2, and R3 comprises Formula VII, the compound has exactly one B atom;
when X1-X11 are all C and Formulas II, III, IV, V, VI, and VIII are absent, R2 comprises Formula VII;
Z1, Z2, and Z3 are each independently C or N;
at least one of Z1, Z2, and Z3 is N;
Ar1, Ar2, and Ar3 are each a substituted or unsubstituted aryl or heteroaryl ring;
Y4 is selected from the group consisting of O, Se, BR, N, NR, CRR′, SiRR′, and GeRR′;
L4 is a direct bond or an aromatic group comprising one or more fused or unfused aromatic rings which can be further substituted;
RR, RP and RQ each independently represents zero, mono, or up to a maximum allowed substitution to its associated ring;
X17 is selected from the group consisting of O, S, Se, NR4, CR4R5, and SiR4R5;
each of R, R′, RP, RQ, R4 and R5 is independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, boryl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
RR is a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
ring A is a monocyclic or multicyclic ring system comprising one or more fused 5-membered or 6-membered carbocyclic or heterocyclic rings; and
any two of R1, R2, R3, R4, R5, R, R′, RP, RQ, and RR can be joined or fused to form a ring,
with the proviso that none of Ar1, Ar2, and Ar3 is joined to form a ring; and that the compound is not the following structure:,