Organometal complex and light-emitting element using the same
AssigneeSemiconductor Energy Laboratory Co., Ltd.
InventorsHideko Inoue, Satoshi Seo, Satoko Shitagaki, Hiroko Abe
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Abstract
An organometallic complex according to the present invention comprises a structure represented by the following general formula (1). In the formula, R1 to R5 are any one selected from the group consisting of hydrogen, a halogen element, an acyl group, an alkyl group, an alkoxy group, an aryl group, a cyano group, and a heterocyclic group, Ar is an aryl group having an electron-withdrawing group or a heterocyclic group having electron-drawing group, and M is an element of Group 9 or an element of Group 10.
Claims36
A light-emitting element comprising:
- an organometallic complex comprising a structure represented by the following formula (1),
- wherein each of R1 to R5 comprises any one selected from the group of hydrogen, a halogen, an alkyl group, an alkoxy group, an aryl group and a cyano group, wherein Ar comprises an aryl group, and wherein M comprises an element of Group 9 or 10.
A light-emitting element comprising:
- an organometallic complex comprising a structure represented by the following formula (2),
- wherein each of R1 to R9 comprises any one selected from the group of hydrogen, a halogen, an alkyl group, an alkoxy group, an aryl group, and a cyano group, and
- wherein M comprises an element of Group 9 or 10.
A light-emitting element comprising:
- an organometallic complex represented by the following formula (3),
- wherein each of R1 to R5 comprises any one selected from the group of hydrogen, a halogen, an alkyl group, an alkoxy group, an aryl group, and a cyano group,
- wherein Ar comprises an aryl group,
- wherein M comprises an element of Group 9 or an element of Group 10,
- wherein n is 2 when the M comprises the element of Group 9 while n is 1 when the M comprises the element of Group 10, and
- wherein L comprises any one of a monoanionic ligand having a β-diketone structure, a monoanionic bidentate chelate ligand having a carboxyl group, and a monoanionic bidentate chelate ligand having a phenolic hydroxyl group.
A light-emitting element comprising:
- an organometallic complex represented by the following formula (4),
- wherein each of R1 to R9 comprises any one selected from the group of hydrogen, a halogen, an alkyl group, an alkoxy group, an aryl group, and a cyano group,
- wherein M comprises an element of Group 9 or an element of Group 10,
- wherein n is 2 when the M comprises the element of Group 9 while n is 1 when the M comprises the element of Group 10, and
- wherein L comprises any one of a monoanionic ligand having a β-diketone structure, a monoanionic bidentate chelate ligand having a carboxyl group, and a monoanionic bidentate chelate ligand having a phenolic hydroxyl group.
A light-emitting element comprising:
- an organometallic complex comprising a structure represented by the following formula (12),
- wherein each of R2 to R14 comprises any one selected from the group of hydrogen, a halogen, an alkyl group, an alkoxy group, an aryl group, and a cyano group, and
- wherein M is an element of Group 9 or 10.
A light-emitting element comprising:
- an organometallic complex comprising a structure represented by the following formula (13),
- wherein R15 or R16 comprises any one selected from the group of hydrogen, a halogen, and a haloalkyl group, and
- wherein M comprises an element of Group 9 or 10.
A light-emitting element comprising:
- an organometallic complex represented by the following formula (14),
- wherein each of R2 to R14 comprises any one selected from the group of hydrogen, a halogen, an alkyl group, an alkoxy group, an aryl group, and a cyano group,
- wherein M comprises an element of Group 9 or an element of Group 10,
- wherein n is 2 when the M comprises the element of Group 9 while n is 1 when the M comprises the element of Group 10, and
- wherein L comprises any one of a monoanionic ligand having a β-diketone structure, a monoanionic bidentate chelate ligand having a carboxyl group, and a monoanionic bidentate chelate ligand having a phenolic hydroxyl group.
A light-emitting element having an organometallic complex represented by the following formula (15),
- wherein R15 or R16 comprises any one selected from the group of hydrogen, a halogen, and a haloalkyl group,
- wherein M comprises an element of Group 9 or an element of Group 10,
- wherein n is 2 when the M comprises the element of Group 9 while n is 1 when the M comprises the element of Group 10, and
- wherein L comprises any one of a monoanionic ligand having a β-diketone structure, a monoanionic bidentate chelate ligand having a carboxyl group, and a monoanionic bidentate chelate ligand having a phenolic hydroxyl group.
Dependencies are inferred from the claim text.