US 12,281,082 B2
Electroluminescent material and device
Qiang Wang, Beijing (CN); Le Wang, Beijing (CN); Junfei Wang, Beijing (CN); Han Zhang, Beijing (CN); Chi Yuen Raymond Kwong, Beijing (CN); and Chuanjun Xia, Beijing (CN)
Assigned to BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD., Beijing (CN)
Filed by BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD., Beijing (CN)
Filed on Jun. 2, 2021, as Appl. No. 17/336,941.
Claims priority of application No. 202010505906.4 (CN), filed on Jun. 5, 2020; and application No. 202110464197.4 (CN), filed on Apr. 28, 2021.
Prior Publication US 2022/0289681 A1, Sep. 15, 2022
Int. Cl. C07D 223/32 (2006.01); C07D 405/14 (2006.01); C09K 11/06 (2006.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01)
CPC C07D 223/32 (2013.01) [C07D 405/14 (2013.01); C09K 11/06 (2013.01); H10K 85/342 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); C09K 2211/1029 (2013.01); H10K 50/11 (2023.02)] 25 Claims
OG exemplary drawing
 
1. A compound, having a structure of H-L-E, wherein H has a structure represented by Formula 1-a;

OG Complex Work Unit Chemistry
in Formula 1-a, A1, A2, and A3 are, at each occurrence identically or differently, selected from CR, and X1 to X10 are, at each occurrence identically or differently, selected from CRx;
E has a structure represented by Formula 2:

OG Complex Work Unit Chemistry
in Formula 2, Ar is, at each occurrence identically or differently, selected from substituted or unsubstituted aryl having 6 to 30 carbon atoms or substituted or unsubstituted heteroaryl having 3 to 30 carbon atoms;
Z1 to Z3 are each independently selected from N or CRz, and at least one of Z1 to Z3 is N;
L has a structure represented by Formula 3:

OG Complex Work Unit Chemistry
in Formula 3, the ring D is, at each occurrence identically or differently, selected from a carbocyclic ring having 5 to 18 carbon atoms or a heteroaromatic ring having 3 to 18 carbon atoms, wherein the heteroaromatic ring has 1 hetero-atom;
Rn represents, at each occurrence identically or differently, mono-substitution, multiple substitutions, or non-substitution;
L1 is selected from a single bond, substituted or unsubstituted arylene having 6 to 30 carbon atoms, substituted or unsubstituted heteroarylene having 3 to 30 carbon atoms, or combinations thereof; and when L1 is selected from substituted arylene having 6 to 30 carbon atoms or substituted heteroarylene having 3 to 30 carbon atoms, L1 has a substituent Rm; and Rm represents, at each occurrence identically or differently, mono-substitution or multiple substitutions;
R, Rx, Rz, Rn, and Rm are, at each occurrence identically or differently, selected from the group consisting of: hydrogen, deuterium, halogen, substituted or unsubstituted alkyl having 1 to 20 carbon atoms, substituted or unsubstituted cycloalkyl having 3 to 20 ring carbon atoms, substituted or unsubstituted heteroalkyl having 1 to 20 carbon atoms, a substituted or unsubstituted heterocyclic group having 3 to 20 ring atoms, substituted or unsubstituted arylalkyl having 7 to 30 carbon atoms, substituted or unsubstituted alkoxy having 1 to 20 carbon atoms, substituted or unsubstituted aryloxy having 6 to 30 carbon atoms, substituted or unsubstituted alkenyl having 2 to 20 carbon atoms, substituted or unsubstituted aryl having 6 to 30 carbon atoms, substituted or unsubstituted heteroaryl having 3 to 30 carbon atoms, substituted or unsubstituted alkylsilyl having 3 to 20 carbon atoms, substituted or unsubstituted arylsilyl having 6 to 20 carbon atoms, substituted or unsubstituted amino having 0 to 20 carbon atoms, an acyl group, a carbonyl group, a carboxylic acid group, an ester group, a cyano group, an isocyano group, a hydroxyl group, a sulfanyl group, a sulfinyl group, a sulfonyl group, a phosphino group, and combinations thereof;
adjacent substituents R, Rx can be optionally joined to form a ring;
adjacent substituents Rn, Rm can be optionally joined to form a ring.