Patent number: 11731994
Abstract: An organometallic compound represented by Formula 1: M(L1)n1(L2)n2??Formula 1 wherein, in Formula 1, M is a transition metal, L1 is a ligand represented by Formula 2A, L2 is a ligand represented by Formula 2B, n1 is 1 or 2, wherein, when n1 is 2, two groups L1 are identical to or different from each other, n2 is 1 or 2, wherein, when n2 is 2, two group L2 are identical to or different from each other, the sum of n1 and n2 is 2 or 3, and L1 and L2 are different from each other wherein X1, ring CY1, ring CY2, ring CY14, R1 to R3, R11 to R14, Z1 to Z3, a1, a2, a3, b1, and c1 are the same as described in the description, and * and *? in Formulae 2A and 2B each indicate a binding site to M in Formula 1.
Type:
Grant
Filed:
November 26, 2019
Date of Patent:
August 22, 2023
Assignee:
SAMSUNG ELECTRONICS CO., LTD.
Inventors:
Kyuyoung Hwang, Seungyeon Kwak, Yoonhyun Kwak, Kum Hee Lee, Sunghun Lee, Whail Choi, Aram Jeon, Byoungki Choi, Hyeonho Choi
Patent number: 11056657
Abstract: A compound having a carbene ligand LA of Formula I: is disclosed wherein ring A is a 5-membered or 6-membered carbocyclic or heterocyclic ring; Z is nitrogen or carbon; R7 represents from mono-substitution to the possible maximum number of substitution, or no substitution; R1, R2, R3, R4, R5, R6, and R7 are independently selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrite, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; any adjacent substituents of R1, R2, R3, R4, R5, R6, and R7 are optionally joined or fused into a ring or a double bond; the ligand LA is coordinated to a metal M through the carbene carbon and Z; and the ligand LA is optionally linked with other ligands to comprise a tridentate, tetradentate, pentadentate or hexadentate ligand.
Type:
Grant
Filed:
January 22, 2016
Date of Patent:
July 6, 2021
Assignee:
UNIVERSITY DISPLAY CORPORATION
Inventors:
Chun Lin, Chuanjun Xia
Patent number: 10202409
Abstract: Compound of formula (I) where R2, R4 are each independently selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl; the R1, R3 radicals are each a —(C3-C20)-heteroaryl radical; R1, R3 may each independently be substituted by one or more substituents selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —O—(C1-C12)-alkyl, —O—(C1-C12)-alkyl-(C6-C20)-aryl, —O—(C3-C12)-cycloalkyl, —S—(C1-C12)-alkyl, —S—(C3-C12)-cycloalkyl, —COO—(C1-C12)-alkyl, —COO—(C3-C12)-cycloalkyl, —CONH—(C1-C12)-alkyl, —CONH—(C3-C12)-cycloalkyl, —CO—(C1-C12)-alkyl, —CO—(C3-C12)-cycloalkyl, —N—[(C1-C12)-alkyl]2, —(C6-C20)-aryl, —(C6-C20)-aryl-(C1-C12)-alkyl, —(C6-C20)-aryl-O—(C1-C12)-alkyl, —(C3-C20)-heteroaryl, —(C3-C20)-heteroaryl-(C1-C12)-alkyl, —(C3-C20)-heteroaryl-O—(C1-C12)-alkyl, —COOH, —OH, —SO3H, —NH2, halogen; R2, R4, if they are —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl or —(C6-C20)-aryl, may each independently be substituted by one or
Type:
Grant
Filed:
July 14, 2017
Date of Patent:
February 12, 2019
Assignee:
EVONIK DEGUSSA GMBH
Inventors:
Kaiwu Dong, Ralf Jackstell, Helfried Neumann, Matthias Beller, Dirk Fridag, Dieter Hess, Katrin Marie Dyballa, Frank Geilen, Robert Franke