Organic electroluminescent materials and devices
Provided are organometallic compounds including a ligand L A of a structure of Formula I Also provided are formulations including these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.
1 . A compound comprising a ligand L A of a structure of
wherein:
moieties A and B can be each independently a monocyclic or polycyclic fused ring structure comprising 5-membered and/or 6-membered carbocyclic or heterocyclic rings;
ring Z is a 7-, 8-, 9-, or 10-membered ring;
X 1 , X 2 , X 5 , X 10 , X 11 , and X 12 are each independently C or N, with at least one of X 1 or X 11 being C;
is either a single bond or a double bond;
K 3 and K 4 are each independently selected from the group consisting of a direct bond, O, and S;
R A , R B , and R Z each independently represent zero, mono, or up to a maximum allowed number of substitutions to its associated ring;
each of R A , R B , and R Z is independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, germyl, boryl, selenyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; and
any two adjacent R A , R B , or R Z can be joined or fused to form a ring,
wherein the ligand L A is coordinated to a metal M through the two indicated dashed lines;
wherein M is selected from the group consisting of Ru, Os, Ir, Pd, Pt, Cu, Ag, and Au, and can be coordinated to other ligands;
wherein the ligand L A can be joined with other ligands to form a tridentate, tetradentate, pentadentate, or hexadentate ligand; and
at least one of the following is true:
(1) one R Z is joined or fused with an R A to form a ring, (2)
one R Z is joined or fused with an R B to form a ring; or
(3) L A is joined with another ligand to form a tetradentate ligand.
2 . The compound of claim 1 , wherein at least one of R A , R B , and R Z is a substituent selected from the group consisting of deuterium, fluorine, alkyl, cycloalkyl, heteroalkyl, alkoxy, aryloxy, amino, silyl, boryl, alkenyl, cycloalkenyl, heteroalkenyl, aryl, heteroaryl, nitrile, isonitrile, sulfanyl, and combinations thereof.
3 . The compound of claim 1 , wherein moiety A and moiety B are each a 6-membered aromatic ring, or moiety A is a 5-membered aromatic ring, and moiety B is a 6-membered aromatic ring.
4 . The compound of claim 1 , wherein the compound comprises a ligand L A of
wherein:
rings Z1 and Z2 are each independently 5-membered or 6-membered carbocyclic or heterocyclic rings;
X is selected from the group consisting of CRR′, SiRR′, C═CRR′, NR, CRR′—CRR′, C—NR, CR—CR, CR-NR, CRR′—O and BRR′;
R Z1 and R Z2 each independently represents zero, mono, or up to the maximum allowed number of substitutions to its associated ring; and
each of R, R′, R Z1 and R Z2 is independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, germyl, boryl, selenyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
any two adjacent R, R′, R A , R B , R Z1 , and R Z2 can be joined or fused to form a ring,
when the ligand L A is of Formula IA, if X is CRR′, SiRR′, NR, or C-CRR′, then R or R′ forms a ring with R B or R Z1 , and R and R′ do not form a ring with each other;
when the ligand L A is of Formula IB, if X is CRR′, SiRR′, NR, or C-CRR′, then R or R′ does not form a ring with R A , and R and R′ do not form ring with each other.
5 . The compound of claim 1 , wherein the compound comprises a ligand L A of a structure of
wherein:
X 3 and X 4 are each independently C or N, with at least two of X 1 -X 5 being C for Formula ID;
Q 1 -Q 3 are each independently C or N, with at least one of Q 1 -Q 3 being C;
K 3 and K 4 are each independently selected from the group consisting of a direct bond, O, and S, with K 4 being a direct bond when X 2 is N;
the remaining variables are the same as defined with respect to Formula I of claim 1 ; and
wherein for Formula ID, if X 2 and X 5 are both N, two neighboring R Z do not form a benzene ring fused to ring Z if ring Z is a 7-membered ring.
6 . The compound of claim 1 , wherein the compound has a structure of
wherein:
M 1 is Pd or Pt;
moieties C and D are each independently a monocyclic or polycyclic ring structure comprising 5-membered and/or 6-membered carbocyclic or heterocyclic rings;
Z1 and Z2 are each independently C or N;
K 1 , K 2 , K 3 , and K 4 are each independently selected from the group consisting of a direct bond, O, and S, wherein at least two of them are direct bonds;
L 1 , L 2 , and L 3 are each independently selected from the group consisting of a single bond, absent a bond, O, S, C-O, C=CR″R″, CR″R″, SiR “R′″, BR″, and NR″, wherein at least one of L 1 and L 2 is present;
X 6 -X 8 are each independently C or N;
R C and R D each independently represent zero, mono, or up to the maximum allowed number of substitutions to its associated ring;
each of R″, R′″, R C , and R D is independently a hydrogen or a substituent selected from the group consisting of deuterium, fluorine, alkyl, cycloalkyl, heteroalkyl, alkoxy, aryloxy, amino, silyl, germyl, boryl, selenyl, alkenyl, cycloalkenyl, heteroalkenyl, aryl, heteroaryl, nitrile, isonitrile, sulfanyl, and combinations thereof;
any two adjacent R, R”, R A , R B , R C , R D , or R Z can be joined or fused together to form a ring where chemically feasible; and
the remaining variables are the same as previously defined.
7 . The compound of claim 6 , wherein moiety C and moiety D are both 6-membered aromatic rings, or moiety D is a 5-membered or 6-membered heteroaromatic ring.
8 . The compound of claim 6 , wherein L′ is O, SiR″R′″, or CR″R′″.
9 . The compound of claim 6 , wherein Z 2 is N and Z 1 is C, or Z 2 is C and Z 1 is N.
10 . The compound of claim 6 , wherein L 2 is a direct bond, or NR″.
11 . The compound of claim 6 , wherein the compound is selected from the group consisting of:
wherein:
R X and R Y are each selected from the group consisting of alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, aryl, heteroaryl, and combinations thereof;
R E for each occurrence is independently a hydrogen or a substituent selected from the group consisting of deuterium, fluorine, alkyl, cycloalkyl, heteroalkyl, alkoxy, aryloxy, amino, silyl, boryl, alkenyl, cycloalkenyl, heteroalkenyl, aryl, heteroaryl, nitrile, isonitrile, sulfanyl, and combinations thereof; and
X 1 -X 5 , Q 2 -Q 3 , R A , R B , R C , R D , R Z , L 1 , and ring Z are all defined the same as for Formula I and/or Formula II.
12 . The compound of claim 6 , wherein the compound has a structure of
wherein L A , is selected from the group consisting of:
Ligand L A′
Structure of L A′
L A′ 1- (Rl)(Rm) (Rn)(Ro), wherein L A′ 1-(R1) (R1)(R1)(R1) to L A′ 1- (R307)(R307) (R307)(R307), having the structure
L A′ 2- (Rl)(Rm) (Rn)(Ro), wherein L A′ 2-(R1) (R1)(R1)(R1) to L A′ 2- (R307)(R307) (R307)(R307), having the structure
L A′ 3- (Rl)(Rm) (Rn)(Ro), wherein L A′ 3-(R1) (R1)(R1)(R1) to L A′ 3- (R307)(R307) (R307)(R307), having the structure
L A′ 4- (Rl)(Rm) (Rn)(Ro), wherein L A′ 4-(R1) (R1)(R1)(R1) to L A′ 4- (R307)(R307) (R307)(R307), having the structure
L A′ 5- (Rl)(Rm) (Rn)(Ro), wherein L A′ 5-(R1) (R1)(R1)(R1) to L A′ 5- (R307)(R307) (R307)(R307), having the structure
L A′ 6- (Rl)(Rm) (Rn)(Ro), wherein L A′ 6-(R1) (R1)(R1)(R1) to L A′ 6- (R307)(R307) (R307)(R307), having the structure
L A′ 7- (Rl)(Rm) (Rn)(Ro), wherein L A′ 7-(R1) (R1)(R1)(R1) to L A′ 7- (R307)(R307) (R307)(R307), having the structure
L A′ 8- (Rl)(Rm) (Rn)(Ro), wherein L A′ 8-(R1) (R1)(R1)(R1) to L A′ 8- (R307)(R307) (R307)(R307), having the structure
L A′ 9- (Rl)(Rm) (Rn)(Ro), wherein L A′ 9-(R1) (R1)(R1)(R1) to L A′ 9- (R307)(R307) (R307)(R307), having the structure
L A′ 10- (Rl)(Rm) (Rn)(Ro), wherein L A′ 10-(R1) (R1)(R1)(R1) to L A′ 10- (R307)(R307) (R307)(R307), having the structure
L A′ 11- (Rl)(Rm) (Rn)(Ro), wherein L A′ 11-(R1) (R1)(R1)(R1) to L A′ 11- (R307)(R307) (R307)(R307), having the structure
L A′ 12- (Rl)(Rm) (Rn)(Ro), wherein L A′ 12-(R1) (R1)(R1)(R1) to L A′ 12- (R307)(R307) (R307)(R307), having the structure
L A′ 13- (Rl)(Rm) (Rn)(Ro), wherein L A′ 13-(R1) (R1)(R1)(R1) to L A′ 13- (R307)(R307) (R307)(R307), having the structure
L A′ 14- (Rl)(Rm) (Rn)(Ro), wherein L A′ 14-(R1) (R1)(R1)(R1) to L A′ 14- (R307)(R307) (R307)(R307), having the structure
L A′ 15- (Rl)(Rm) (Rn)(Ro), wherein L A′ 15-(R1) (R1)(R1)(R1) to L A′ 15- (R307)(R307) (R307)(R307), having the structure
L A′ 16- (Rl)(Rm) (Rn)(Ro), wherein L A′ 16-(R1) (R1)(R1)(R1) to L A′ 16- (R307)(R307) (R307)(R307), having the structure
L A′ 17- (Rl)(Rm) (Rn)(Ro), wherein L A′ 17-(R1) (R1)(R1)(R1) to L A′ 17- (R307)(R307) (R307)(R307), having the structure
L A′ 18- (Rl)(Rm) (Rn)(Ro), wherein L A′ 18-(R1) (R1)(R1)(R1) to L A′ 18- (R307)(R307) (R307)(R307), having the structure
L A′ 19- (Rl)(Rm) (Rn)(Ro), wherein L A′ 19-(R1) (R1)(R1)(R1) to L A′ 19- (R307)(R307) (R307)(R307), having the structure
L A′ 20- (Rl)(Rm) (Rn)(Ro), wherein L A′ 20-(R1) (R1)(R1)(R1) to L A′ 20- (R307)(R307) (R307)(R307), having the structure
L A′ 21- (Rl)(Rm) (Rn)(Ro), wherein L A′ 21-(R1) (R1)(R1)(R1) to L A′ 21- (R307)(R307) (R307)(R307), having the structure
L A′ 22- (Rl)(Rm) (Rn)(Ro), wherein L A′ 22-(R1) (R1)(R1)(R1) to L A′ 22- (R307)(R307) (R307)(R307), having the structure
L A′ 23- (Rl)(Rm) (Rn)(Ro), wherein L A′ 23-(R1) (R1)(R1)(R1) to L A′ 23- (R307)(R307) (R307)(R307), having the structure
L A′ 24- (Rl)(Rm) (Rn)(Ro), wherein L A′ 24-(R1) (R1)(R1)(R1) to L A′ 24- (R307)(R307) (R307)(R307), having the structure
L A′ 25- (Rl)(Rm) (Rn)(Ro), wherein L A′ 25-(R1) (R1)(R1)(R1) to L A′ 25- (R307)(R307) (R307)(R307), having the structure
L A′ 26- (Rl)(Rm) (Rn)(Ro), wherein L A′ 26-(R1) (R1)(R1)(R1) to L A′ 26- (R307)(R307) (R307)(R307), having the structure
L A′ 27- (Rl)(Rm) (Rn)(Ro), wherein L A′ 27-(R1) (R1)(R1)(R1) to L A′ 27- (R307)(R307) (R307)(R307), having the structure
L A′ 28- (Rl)(Rm) (Rn)(Ro), wherein L A′ 28-(R1) (R1)(R1)(R1) to L A′ 28- (R307)(R307) (R307)(R307), having the structure
L A′ 29- (Rl)(Rm) (Rn)(Ro), wherein L A′ 29-(R1) (R1)(R1)(R1) to L A′ 29- (R307)(R307) (R307)(R307), having the structure
L A′ 30- (Rl)(Rm) (Rn)(Ro), wherein L A′ 30-(R1) (R1)(R1)(R1) to L A′ 30- (R307)(R307) (R307)(R307), having the structure
L A′ 31- (Rl)(Rm) (Rn)(Ro), wherein L A′ 31-(R1) (R1)(R1)(R1) to L A′ 31- (R307)(R307) (R307)(R307), having the structure
L A′ 32- (Rl)(Rm) (Rn)(Ro), wherein L A′ 32-(R1) (R1)(R1)(R1) to L A′ 32- (R307)(R307) (R307)(R307), having the structure
L A′ 33- (Rl)(Rm) (Rn)(Ro), wherein L A′ 33-(R1) (R1)(R1)(R1) to L A′ 33- (R307)(R307) (R307)(R307), having the structure
L A′ 34- (Rl)(Rm) (Rn)(Ro), wherein L A′ 34-(R1) (R1)(R1)(R1) to L A′ 34- (R307)(R307) (R307)(R307), having the structure
L A′ 35- (Rl)(Rm) (Rn)(Ro), wherein L A′ 35-(R1) (R1)(R1)(R1) to L A′ 35- (R307)(R307) (R307)(R307), having the structure
L A′ 36- (Rl)(Rm) (Rn)(Ro), wherein L A′ 36-(R1) (R1)(R1)(R1) to L A′ 36- (R307)(R307) (R307)(R307), having the structure
L A′ 37- (Rl)(Rm) (Rn)(Ro), wherein L A′ 37-(R1) (R1)(R1)(R1) to L A′ 37- (R307)(R307) (R307)(R307), having the structure
L A′ 38- (Rl)(Rm) (Rn)(Ro), wherein L A′ 38-(R1) (R1)(R1)(R1) to L A′ 38- (R307)(R307) (R307)(R307), having the structure
L A′ 39- (Rl)(Rm) (Rn)(Ro), wherein L A′ 39-(R1) (R1)(R1)(R1) to L A′ 39- (R307)(R307) (R307)(R307), having the structure
L A′ 40- (Rl)(Rm) (Rn)(Ro), wherein L A′ 40-(R1) (R1)(R1)(R1) to L A′ 40- (R307)(R307) (R307)(R307), having the structure
L A′ 41- (Rl)(Rm) (Rn)(Ro), wherein L A′ 41-(R1) (R1)(R1)(R1) to L A′ 41- (R307)(R307) (R307)(R307), having the structure
L A′ 42- (Rl)(Rm) (Rn)(Ro), wherein L A′ 42-(R1) (R1)(R1)(R1) to L A′ 42- (R307)(R307) (R307)(R307), having the structure
L A′ 43- (Rl)(Rm) (Rn)(Ro), wherein L A′ 43-(R1) (R1)(R1)(R1) to L A′ 43- (R307)(R307) (R307)(R307), having the structure
L A′ 44- (Rl)(Rm) (Ro)(Rq), wherein L A′ 44-(R1) (R1)(R1)(R1) to L A′ 44- (R307)(R307) (R307)(R307), having the structure
L A′ 45- (Rl)(Rm) (Rn)(Ro) (Rq), wherein L A′ 45-(R1) (R1)(R1)(R1) (R1) to L A′ 45- (R307)(R307) (R307)(R307) (R307), having the structure
L A′ 46- (Rl)(Rm) (Rn)(Ro) (Rp), wherein L A′ 46-(R1) (R1)(R1)(R1) (R1) to L A′ 46- (R307)(R307) (R307)(R307) (R307), having the structure
L A′ 47- (Rl)(Rm) (Rn)(Ro) (Rp), wherein L A′ 47-(R1) (R1)(R1)(R1) (R1) to L A′ 47- (R307)(R307) (R307)(R307) (R307), having the structure
L A′ 48- (Rm)(Ro) (Rp), wherein L A′ 48-(R1) (R1)(R1) to L A′ 48- (R307)(R307) (R307), having the structure
L A′ 49- (Rm)(Rn) (Ro)(Rq) (Rr), wherein L A′ 49-(R1) (R1)(R1)(R1) (R1) to L A′ 49- (R307)(R307) (R307)(R307) (R307), having the structure
L A′ 50- (Rl)(Rm) (Ro)(Rq) (Rr), wherein L A′ 50-(R1) (R1)(R1)(R1) (R1) to L A′ 50- (R307)(R307) (R307)(R307) (R307), having the structure
L A′ 51- (Rl)(Rm) (Rn)(Ro), wherein L A′ 51-(R1) (R1)(R1)(R1) to L A′ 51- (R307)(R307) (R307)(R307), having the structure
L A′ 52- (Rl)(Rm) (Rn)(Ro), wherein L A′ 52-(R1) (R1)(R1)(R1) to L A′ 52- (R307)(R307) (R307)(R307), having the structure
L A′ 53- (Rl)(Rm) (Rn)(Ro), wherein L A′ 53-(R1) (R1)(R1)(R1) to L A′ 53- (R307)(R307) (R307)(R307), having the structure
L A′ 54- (Rl)(Rm) (Rn)(Ro), wherein L A′ 54-(R1) (R1)(R1)(R1) to L A′ 54- (R307)(R307) (R307)(R307), having the structure
L A′ 55- (Rl)(Rm) (Rn)(Ro), wherein L A′ 55-(R1) (R1)(R1)(R1) to L A′ 55- (R307)(R307) (R307)(R307), having the structure
L A′ 56- (Rl)(Rm) (Rn)(Ro), wherein L A′ 56-(R1) (R1)(R1)(R1) to L A′ 56- (R307)(R307) (R307)(R307), having the structure
L A′ 57- (Rl)(Rm) (Rn)(Ro), wherein L A′ 57-(R1) (R1)(R1)(R1) to L A′ 57- (R307)(R307) (R307)(R307), having the structure
L A′ 58- (Rl)(Rm) (Rn)(Ro), wherein L A′ 58-(R1) (R1)(R1)(R1) to L A′ 58- (R307)(R307) (R307)(R307), having the structure
L A′ 59- (Rl)(Rm) (Rn)(Ro), wherein L A′ 59-(R1) (R1)(R1)(R1) to L A′ 59- (R307)(R307) (R307)(R307), having the structure
L A′ 60- (Rl)(Rm) (Rn)(Ro), wherein L A′ 60-(R1) (R1)(R1)(R1) to L A′ 60- (R307)(R307) (R307)(R307), having the structure
L A′ 61- (Rl)(Rm) (Rn)(Ro), wherein L A′ 61-(R1) (R1)(R1)(R1) to L A′ 61- (R307)(R307) (R307)(R307), having the structure
L A′ 62- (Rl)(Rm) (Rn)(Ro), wherein L A′ 62-(R1) (R1)(R1)(R1) to L A′ 62- (R307)(R307) (R307)(R307), having the structure
L A′ 63- (Rl)(Rm) (Rn)(Ro), wherein L A′ 63-(R1) (R1)(R1)(R1) to L A′ 63- (R307)(R307) (R307)(R307), having the structure
L A′ 64- (Rl)(Rm) (Rn)(Ro), wherein L A′ 64-(R1) (R1)(R1)(R1) to L A′ 64- (R307)(R307) (R307)(R307), having the structure
L A′ 65- (Rl)(Rm) (Rn)(Ro), wherein L A′ 65-(R1) (R1)(R1)(R1) to L A′ 65- (R307)(R307) (R307)(R307), having the structure
L A′ 66- (Rl)(Rm) (Rn)(Ro), wherein L A′ 66-(R1) (R1)(R1)(R1) to L A′ 66- (R307)(R307) (R307)(R307), having the structure
L A′ 67- (Rl)(Rm) (Rn)(Ro), wherein L A′ 67-(R1) (R1)(R1)(R1) to L A′ 67- (R307)(R307) (R307)(R307), having the structure
L A′ 68- (Rl)(Rm) (Rn)(Ro), wherein L A′ 68-(R1) (R1)(R1)(R1) to L A′ 68- (R307)(R307) (R307)(R307), having the structure
L A′ 69- (Rl)(Rm) (Rn)(Ro), wherein L A′ 69-(R1) (R1)(R1)(R1) to L A′ 69- (R307)(R307) (R307)(R307), having the structure
L A′ 70- (Rl)(Rm) (Rn)(Ro), wherein L A′ 70-(R1) (R1)(R1)(R1) to L A′ 70- (R307)(R307) (R307)(R307), having the structure
L A′ 71- (Rl)(Rm) (Rn)(Ro), wherein L A′ 71-(R1) (R1)(R1)(R1) to L A′ 71- (R307)(R307) (R307)(R307), having the structure
L A′ 72- (Rl)(Rm) (Rn)(Ro), wherein L A′ 72-(R1) (R1)(R1)(R1) to L A′ 72- (R307)(R307) (R307)(R307), having the structure
L A′ 73- (Rl)(Rm) (Rn)(Ro), wherein L A′ 73-(R1) (R1)(R1)(R1) to L A′ 73- (R307)(R307) (R307)(R307), having the structure
L A′ 74- (Rl)(Rm) (Rn)(Ro), wherein L A′ 74-(R1) (R1)(R1)(R1) to L A′ 74- (R307)(R307) (R307)(R307), having the structure
L A′ 75- (Rl)(Rm) (Rn)(Ro), wherein L A′ 75-(R1) (R1)(R1)(R1) to L A′ 75- (R307)(R307) (R307)(R307), having the structure
L A′ 76- (Rl)(Rm) (Rn)(Ro), wherein L A′ 76-(R1) (R1)(R1)(R1) to L A′ 76- (R307)(R307) (R307)(R307), having the structure
L A′ 77- (Rl)(Rm) (Rn)(Ro), wherein L A′ 77-(R1) (R1)(R1)(R1) to L A′ 77- (R307)(R307) (R307)(R307), having the structure
L A′ 78- (Rl)(Rm) (Rn)(Ro), wherein L A′ 78-(R1) (R1)(R1)(R1) to L A′ 78- (R307)(R307) (R307)(R307), having the structure
L A′ 79- (Rl)(Rm) (Rn)(Ro), wherein L A′ 79-(R1) (R1)(R1)(R1) to L A′ 79- (R307)(R307) (R307)(R307), having the structure
L A′ 80- (Rl)(Rm) (Rn)(Ro), wherein L A′ 80-(R1) (R1)(R1)(R1) to L A′ 80- (R307)(R307) (R307)(R307), having the structure
L A′ 81- (Rl)(Rm) (Rn)(Ro), wherein L A′ 81-(R1) (R1)(R1)(R1) to L A′ 81- (R307)(R307) (R307)(R307), having the structure
L A′ 82- (Rl)(Rm) (Rn)(Ro), wherein L A′ 82-(R1) (R1)(R1)(R1) to L A′ 82- (R307)(R307) (R307)(R307), having the structure
L A′ 83- (Rl)(Rm) (Rn)(Ro), wherein L A′ 83-(R1) (R1)(R1)(R1) to L A′ 83- (R307)(R307) (R307)(R307), having the structure
L A′ 84- (Rl)(Rm) (Rn)(Ro), wherein L A′ 84-(R1) (R1)(R1)(R1) to L A′ 84- (R307)(R307) (R307)(R307), having the structure
L A′ 85- (Rl)(Rm) (Rn)(Ro), wherein L A′ 85-(R1) (R1)(R1)(R1) to L A′ 85- (R307)(R307) (R307)(R307), having the structure
L A′ 86- (Rl)(Rm) (Rn)(Ro), wherein L A′ 86-(R1) (R1)(R1)(R1) to L A′ 86- (R307)(R307) (R307)(R307), having the structure
L A′ 87- (Rl)(Rm) (Rn)(Ro), wherein L A′ 87-(R1) (R1)(R1)(R1) to L A′ 87- (R307)(R307) (R307)(R307), having the structure
L A′ 88- (Rl)(Rm) (Rn)(Ro), wherein L A′ 88-(R1) (R1)(R1)(R1) to L A′ 88- (R307)(R307) (R307)(R307), having the structure
L A′ 89- (Rl)(Rm) (Rn)(Ro), wherein L A′ 89-(R1) (R1)(R1)(R1) to L A′ 89- (R307)(R307) (R307)(R307), having the structure
L A′ 90- (Rl)(Rm) (Rn)(Ro), wherein L A′ 90-(R1) (R1)(R1)(R1) to L A′ 90- (R307)(R307) (R307)(R307), having the structure
L A′ 91- (Rl)(Rm) (Rn)(Ro), wherein L A′ 91-(R1) (R1)(R1)(R1) to L A′ 91- (R307)(R307) (R307)(R307), having the structure
L A′ 92- (Rl)(Rm) (Ro)(Rp), wherein L A′ 92-(R1) (R1)(R1)(R1) to L A′ 92- (R307)(R307) (R307)(R307), having the structure
L A′ 93- (Rm)(Ro) (Rp)(Rq), wherein L A′ 93-(R1) (R1)(R1)(R1) to L A′ 93- (R307)(R307) (R307)(R307), having the structure
L A′ 94- (Rm)(Ro) (Rp), wherein L A′ 94-(R1) (R1)(R1) to L A′ 94- (R307)(R307) (R307), having the structure
L A′ 95- (Rl)(Rm) (Rn)(Rp), wherein L A′ 95-(R1) (R1)(R1)(R1) to L A′ 95- (R307)(R307) (R307)(R307), having the structure
L A′ 96- (Rl)(Rm) (Rn)(Ro) (Rp), wherein L A′ 96-(R1) (R1)(R1)(R1) (R1) to L A′ 90- (R307)(R307) (R307)(R307) (R307), having the structure
L A′ 97- (Rl)(Rm) (Rn)(Ro) (Rp), wherein L A′ 97-(R1) (R1)(R1)(R1) (R1) to L A′ 97- (R307)(R307) (R307)(R307) (R307), having the structure
L A′ 98- (Rl)(Rm) (Ro)(Rp), wherein L A′ 98-(R1) (R1)(R1)(R1) to L A′ 98- (R307)(R307) (R307)(R307), having the structure
L A′ 99- (Rm)(Ro) (Rp)(Rr), wherein L A′ 99-(R1) (R1)(R1)(R1) to L A′ 99- (R307)(R307) (R307)(R307), having the structure
L A′ 100- (Rl)(Rm) (Rn)(Ro), wherein L A′ 100-(R1) (R1)(R1)(R1) to L A′ 100- (R307)(R307) (R307)(R307), having the structure
L A′ 101- (Rl)(Rm) (Rn)(Ro), wherein L A′ 101-(R1) (R1)(R1)(R1) to L A′ 101- (R307)(R307) (R307)(R307), having the structure
wherein L y is selected from the group consisting of the structures L y 1-(Rs)(Rt)(Ru) to L y 33-(Rs)(Rt)(Ru), defined below, wherein s, t, and u are each independently an integer from 1 to 307:
L y
Structure of L y
L y 1-(Rs)(Rt)(Ru), wherein L y 1- (R1)(R1)(R1) to L y 1- (R307)(R307)(R307), having the structure
L y 2-(Rs)(Rt)(Ru), wherein L y 2- (R1)(R1)(R1) to L y 2- (R307)(R307)(R307), having the structure
L y 3-(Rs)(Rt)(Ru), wherein L y 3- (R1)(R1)(R1) to L y 3- (R307)(R307)(R307), having the structure
L y 4-(s)(t)(u), wherein L y 4- (1)(1)(1) to L y 4- (307)(307)(307), having the structure
L y 5-(Rs)(Rt)(Ru), wherein L y 5- (R1)(R1)(R1) to L y 5- (R307)(R307)(R307), having the structure
L y 6-(Rs)(Rt)(Ru), wherein L y 6- (R1)(R1)(R1) to L y 6- (R307)(R307)(R307), having the structure
L y 7-(Rs)(Rt)(Ru), wherein L y 7- (R1)(R1)(R1) to L y 7- (R307)(R307)(R307), having the structure
L y 8-(Rs)(Rt)(Ru), wherein L y 8- (R1)(R1)(R1) to L y 8- (R307)(R307)(R307), having the structure
L y 9-(Rs)(Rt)(Ru), wherein L y 9- (R1)(R1)(R1) to L y 9- (R307)(R307)(R307), having the structure
L y 10-(Rs)(Rt)(Ru), wherein L y 10- (R1)(R1)(R1) to L y 10-(R307) (R307)(R307), having the structure
L y 11-(Rs)(Rt)(Ru), wherein L y 11- (R1)(R1)(R1) to L y 11-(R307) (R307)(R307), having the structure
L y 12-(Rs)(Rt)(Ru), wherein L y 12- (R1)(R1)(R1) to L y 12-(R307) (R307)(R307), having the structure
L y 13-(Rs)(Rt)(Ru), wherein L y 13- (R1)(R1)(R1) to L y 13-(R307) (R307)(R307), having the structure
L y 14-(Rs)(Rt)(Ru), wherein L y 14- (R1)(R1)(R1) to L y 14-(R307) (R307)(R307), having the structure
L y 15-(Rs)(Rt)(Ru), wherein L y 15- (R1)(R1)(R1) to L y 15-(R307) (R307)(R307), having the structure
L y 16-(Rs)(Rt)(Ru), wherein L y 16- (R1)(R1)(R1) to L y 16-(R307) (R307)(R307), having the structure
L y 17-(Rs)(Rt)(Ru), wherein L y 17- (R1)(R1)(R1) to L y 17-(R307) (R307)(R307), having the structure
L y 18-(Rs)(Rt)(Ru), wherein L y 18- (R1)(R1)(R1) to L y 18-(R307) (R307)(R307), having the structure
L y 19-(Rs)(Rt)(Ru), wherein L y 19- (R1)(R1)(R1) to L y 19-(R307) (R307)(R307), having the structure
L y 20-(Rs)(Rt)(Ru), wherein L y 20- (R1)(R1)(R1) to L y 20-(R307) (R307)(R307), having the structure
L y 21-(Rs)(Rt)(Ru), wherein L y 21- (R1)(R1)(R1) to L y 21-(R307) (R307)(R307), having the structure
L y 22-(Rs)(Rt)(Ru), wherein L y 22- (R1)(R1)(R1) to L y 22-(R307) (R307)(R307), having the structure
L y 23-(Rs)(Rt)(Ru), wherein L y 23- (R1)(R1)(R1) to L y 23-(R307) (R307)(R307), having the structure
L y 24-(Rs)(Rt)(Ru), wherein L y 24- (R1)(R1)(R1) to L y 24-(R307) (R307)(R307), having the structure
L y 25-(Rs)(Rt)(Ru), wherein L y 25- (R1)(R1)(R1) to L y 25-(R307) (R307)(R307), having the structure
L y 26-(Rs)(Rt)(Ru), wherein L y 26- (R1)(R1)(R1) to L y 26-(R307) (R307)(R307), having the structure
L y 27-(Rs)(Rt)(Ru), wherein L y 27- (R1)(R1)(R1) to L y 27-(R307) (R307)(R307), having the structure
L y 28-(Rs)(Rt)(Ru), wherein L y 28- (R1)(R1)(R1) to L y 28-(R307) (R307)(R307), having the structure
L y 29-(Rs)(Rt)(Ru), wherein L y 29- (R1)(R1)(R1) to L y 29-(R307) (R307)(R307), having the structure
L y 30-(Rs)(Rt)(Ru), wherein L y 30- (R1)(R1)(R1) to L y 30-(R307) (R307)(R307), having the structure
L y 31-(Rs)(Rt)(Ru), wherein L y 31- (R1)(R1)(R1) to L y 31-(R307) (R307)(R307), having the structure
L y 32-(Rs)(Rt)(Ru), wherein L y 32- (R1)(R1)(R1) to L y 32-(R307) (R307)(R307), having the structure
L y 33-(Rs)(Rt)(Ru), wherein L y 33- (R1)(R1)(R1) to L y 33-(R307) (R307)(R307), having the structure
wherein R1 to R307 have the following structures:
13 . The compound of claim 6 , wherein the compound is selected from the group consisting of:
14 . An organic light emitting device (OLED) comprising:
an anode;
a cathode; and
an organic layer disposed between the anode and the cathode,
wherein the organic layer comprises a compound comprising a ligand L A of a structure of
wherein:
moieties A and B can be each independently a monocyclic or polycyclic fused ring structure comprising 5-membered and/or 6-membered carbocyclic or heterocyclic rings;
ring Z is a 7-, 8-, 9-, or 10-membered ring;
X 1 , X 2 , X 5 , X 10 , X 11 , and X 12 are each independently C or N, with at least one of X 1 or X 11 being C;
is either a single bond or a double bond;
K 3 and K 4 are each independently selected from the group consisting of a direct bond, O, and S;
R A , R B , and R Z each independently represent zero, mono, or up to a maximum allowed number of substitutions to its associated ring;
each of R A , R B , and R Z is independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, germyl, boryl, selenyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; and
any two adjacent R A , R B , or R Z can be joined or fused to form a ring,
wherein the ligand L A is coordinated to a metal M through the two indicated dashed lines;
wherein M is selected from the group consisting of Ru, Os, Ir, Pd, Pt, Cu, Ag, and Au, and can be coordinated to other ligands;
wherein the ligand L A can be joined with other ligands to form a tridentate, tetradentate, pentadentate, or hexadentate ligand; and
at least one of the following is true:
(1) one R Z is joined or fused with an R A to form a ring, (2)
(2) one R Z is joined or fused with an R B to form a ring; or
(3) L A is joined with another ligand to form a tetradentate ligand.
15 . The OLED of claim 14 , wherein the organic layer further comprises a host, wherein host comprises at least one chemical moiety selected from the group consisting of triphenylene, carbazole, indolocarbazole, dibenzothiophene, dibenzofuran, dibenzoselenophene, 5,9-dioxa-13b-boranaphtho [3,2,1-de] anthracene, aza-triphenylene, aza-carbazole, aza-indolocarbazole, aza-dibenzothiophene, aza-dibenzofuran, aza-dibenzoselenophene, and aza-(5,9-dioxa-13b-boranaphtho [3,2,1-de] anthracene).
16 . A consumer product comprising an organic light-emitting device comprising:
an anode;
a cathode; and
an organic layer disposed between the anode and the cathode,
wherein the organic layer comprises a compound comprising a ligand L A of a structure of
wherein:
moieties A and B can be each independently a monocyclic or polycyclic fused ring structure comprising 5-membered and/or 6-membered carbocyclic or heterocyclic rings;
ring Z is a 7-, 8-, 9-, or 10-membered ring;
X 1 , X 2 , X 5 , X 10 , X 11 , and X 12 are each independently C or N, with at least one of X 1 or X 11 being C;
is either a single bond or a double bond;
K 3 and K 4 are each independently selected from the group consisting of a direct bond, O, and S;
R A , R B , and R Z each independently represent zero, mono, or up to a maximum allowed number of substitutions to its associated ring;
each of R A , R B , and R Z is independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, germyl, boryl, selenyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; and
any two adjacent R A , R B , or R Z can be joined or fused to form a ring,
wherein the ligand L A is coordinated to a metal M through the two indicated dashed lines;
wherein M is selected from the group consisting of Ru, Os, Ir, Pd, Pt, Cu, Ag, and Au, and can be coordinated to other ligands;
wherein the ligand L A can be joined with other ligands to form a tridentate, tetradentate, pentadentate, or hexadentate ligand; and
at least one of the following is true:
(1) one R Z is joined or fused with an R A to form a ring, (2)
(2)one R Z is joined or fused with an R B to form a ring: or
(3) L A is joined with another ligand to form a tetradentate ligand.
17 . The compound of claim 1 , wherein L A is joined with another ligand to form a tetradentate ligand.
18 . The compound of claim 1 , wherein one R Z is joined or fused with an R A to form a ring.
19 . The compound of claim 18 , wherein metal M is Ir.
20 . The compound of claim 18 , wherein ligand L A is selected from the group consisting of:
wherein:
each of W, X 3 , X 4 , and X 20 to X 25 is independently C or N;
each of Q 1 , Q 2 , Q 3 , Q 4 , Q 5 , and Q 6 is each independently C or N;
each of V 1 , V 2 , V 3 , V 4 , V 5 , V 6 , and V is independently C, N, S, O, B, or Si;
R X for each occurrence is independently a hydrogen or a substituent selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, boryl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acid, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; and
each == is independently a single bond or double bond.