Organic metal compound and organic light-emitting device
Organic metal compounds and organic light-emitting devices employing the same are provided. The organic metal compound has a chemical structure of Formula (I) or Formula (II): In particular, one of the following two conditions (1) and (2) is met: (1) R 1 is deuterium or C 1-6 deuterated alkyl group, when R 3 and R 4 are independently hydrogen, halogen, C 1-6 alkyl group, C 1-6 fluoroalkyl or C 3-12 heteroaryl group; and (2) R 1 is hydrogen, deuterium, C 1-6 alkyl group, C 1-6 deuterated alkyl group, C 3-12 heteroaryl group, or C 6-12 aryl group, when at least one of R 3 and R 4 is C 6-12 aryl group or C 6-12 fluoroaryl group.
1. An organic metal compound, which has a chemical structure of Formula (II):
wherein X is O or S; R 1 is hydrogen or deuterium; R 2 , R 4 and R 5 are hydrogen; R 3 is phenyl group; R 9 , R 10 , R 11 and R 12 are independently hydrogen, halogen, deuterium, C 1-6 alkyl group, C 1-6 deuterated alkyl group, C 1-6 fluoroalkyl group, or two adjacent groups of R 9 , R 10 , R 11 and R 12 are optionally combined with the carbon atoms which R 9 , R 10 , R 11 and R 12 are attached to, to form an aryl group or a cycloalkyl group, wherein R 13 , R 14 , R 15 and R 16 are independently hydrogen, halogen, C 1-6 alkyl group, C 1-6 fluoroalkyl group, or two adjacent groups of R 13 , R 14 , R 15 and R 16 are optionally combined with the carbon atoms which R 13 , R 14 , R 15 and R 16 are attached to, to form an aryl group or a cycloalkyl group.
2. The organic metal compound as claimed in claim 1 , wherein the organic metal compound is
wherein R 1 is hydrogen or deuterium; R 2 , R 4 and R 5 are hydrogen; R 3 is phenyl group; R 9 , R 10 , R 11 and R 12 are independently hydrogen, halogen, deuterium, C 1-6 alkyl group, C 1-6 deuterated alkyl group, C 1-6 fluoroalkyl group, or two adjacent groups of R 9 , R 10 , R 11 and R 12 are optionally combined with the carbon atoms which R 9 , R 10 , R 11 and R 12 are attached to, to form an aryl group or a cycloalkyl group; and R 13 , R 14 , R 15 , and R 16 are independently hydrogen, halogen, C 1-6 alkyl group, C 1-6 fluoroalkyl group, or two adjacent groups of R 13 , R 14 , R 15 , and R 16 are optionally combined with the carbon atoms which R 13 , R 14 , R 15 , and R 16 are attached to, to form an aryl group or a cycloalkyl group.
3. The organic metal compound as claimed in claim 2 , wherein the organic metal compound is
R 2 , R 4 and R 5 are hydrogen; R 3 is phenyl group; R 9 , R 10 , R 11 and R 12 are independently hydrogen, halogen, deuterium, C 1-6 alkyl group, C 1-6 deuterated alkyl group, C 1-6 fluoroalkyl group, or two adjacent groups of R 9 , R 10 , R 11 and R 12 are optionally combined with the carbon atoms which R 9 , R 10 , R 11 and R 12 are attached to, to form an aryl group or a cycloalkyl group; and R 13 , R 14 , R 15 , and R 16 are independently hydrogen, halogen, C 1-6 alkyl group, C 1-6 fluoroalkyl group, or two adjacent groups of R 13 , R 14 , R 15 , and R 16 are optionally combined with the carbon atoms which R 13 , R 14 , R 15 , and R 16 are attached to, to form an aryl group or a cycloalkyl group.
4. The organic metal compound as claimed in claim 2 , wherein the organic metal compound is
wherein R 1 is hydrogen or deuterium; R 2 , R 4 and R 5 are hydrogen; and R 3 is phenyl group.
5. The organic metal compound as claimed in claim 1 , wherein the organic metal compound is
wherein R 1 is hydrogen or deuterium; R 2 , R 4 and R 5 are hydrogen; R 3 is phenyl group; R 9 , R 10 , R 11 and R 12 are independently hydrogen, halogen, deuterium, C 1-6 alkyl group, C 1-6 deuterated alkyl group, C 1-6 fluoroalkyl group, or two adjacent groups of R 9 , R 10 , R 11 and R 12 are optionally combined with the carbon atoms which R 9 , R 10 , R 11 and R 12 are attached to, to form an aryl group or a cycloalkyl group; and R 13 , R 14 , R 15 , and R 16 are independently hydrogen, halogen, C 1-6 alkyl group, C 1-6 fluoroalkyl group, or two adjacent groups of R 13 , R 14 , R 15 , and R 16 are optionally combined with the carbon atoms which R 13 , R 14 , R 15 , and R 16 are attached to, to form an aryl group or a cycloalkyl group.
6. The organic metal compound as claimed in claim 5 , wherein the organic metal compound is
R 2 , R 4 and R 5 are hydrogen; R 3 is phenyl group; R 9 , R 10 , R 11 and R 12 are independently hydrogen, halogen, deuterium, C 1-6 alkyl group, C 1-6 deuterated alkyl group, C 1-6 fluoroalkyl group, or two adjacent groups of R 9 , R 10 , R 11 and R 12 are optionally combined with the carbon atoms which R 9 , R 10 , R 11 and R 12 are attached to, to form an aryl group or a cycloalkyl group; and R 13 , R 14 , R 15 , and R 16 are independently hydrogen, halogen, C 1-6 alkyl group, C 1-6 fluoroalkyl group, or two adjacent groups of R 13 , R 14 , R 15 , and R 16 are optionally combined with the carbon atoms which R 13 , R 14 , R 15 , and R 16 are attached to, to form an aryl group or a cycloalkyl group.
7. The organic metal compound as claimed in claim 1 , wherein the organic metal compound is
wherein R 1 is hydrogen or deuterium; R 2 , R 4 and R 5 are hydrogen; and R 3 is phenyl group.
8. An organic light-emitting device, comprising:
a pair of electrodes; and
an organic light-emitting element disposed between the pair of electrodes,
wherein the organic light-emitting element comprises the organic metal compound as claimed in claim 1 .