Organometallic complex, organic EL element and organic EL display
First Claim
Patent Images
1. An organic EL element comprising:
- a positive electrode;
a negative electrode; and
an organic thin film layer disposed between the positive electrode and the negative electrode, wherein the organic thin film layer comprises an organometallic complex, wherein the organometallic complex comprises;
a rhenium (Re) atom;
one ligand which comprises a coordinated nitrogen atom and a coordinated oxygen atom, each coordinated with the rhenium (Re) atom, and comprises at least one π
conjugation part; and
the other ligand coordinated with the rhenium (Re) atom in such a way that the ligand saturates the coordination number of the rhenium (Re) atom and the charge of the whole organometallic complex is neutral.
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Abstract
An organic EL element includes an organometallic complex including a rhenium atom; one ligand which has a coordinated nitrogen atom and a coordinated oxygen atom, each coordinated with the rhenium atom, and has at least one π conjugation part; and the other ligand coordinated with the rhenium atom in such a way that the ligand saturates the coordination number of the rhenium atom and the charge of the whole organometallic complex is neutral.
654 Citations
32 Claims
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1. An organic EL element comprising:
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a positive electrode;
a negative electrode; and
an organic thin film layer disposed between the positive electrode and the negative electrode, wherein the organic thin film layer comprises an organometallic complex, wherein the organometallic complex comprises;
a rhenium (Re) atom;
one ligand which comprises a coordinated nitrogen atom and a coordinated oxygen atom, each coordinated with the rhenium (Re) atom, and comprises at least one π
conjugation part; and
the other ligand coordinated with the rhenium (Re) atom in such a way that the ligand saturates the coordination number of the rhenium (Re) atom and the charge of the whole organometallic complex is neutral. - View Dependent Claims (2, 3, 4, 24)
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5. An organic EL element comprising:
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a positive electrode;
a negative electrode; and
an organic thin film layer disposed between the positive electrode and the negative electrode, wherein the organic thin film layer comprises an organometallic complex, wherein the organometallic complex comprises a rhenium (Re) atom;
one ligand which comprises a coordinated nitrogen atom and a coordinated carbon atom, each coordinated with the rhenium (Re) atom, and comprises at least one π
conjugation part; and
the other ligand coordinated with the rhenium (Re) atom in such a way that the ligand saturates the coordination number of the rhenium (Re) atom and the charge of the whole organometallic complex is neutral. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13)
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14. An organic EL element comprising:
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a positive electrode;
a negative electrode; and
an organic thin film layer disposed between the positive electrode and the negative electrode, wherein the organic thin film layer comprises an organometallic complex, wherein the organometallic complex comprises;
at least one of Group 8 metal atoms selected from Group 8 metal element;
one ligand which contains at least one π
conjugation part and is coordinated with the Group 8 metal atom; and
a dithiolate ligand which is selected from an aliphatic dithiolate ligand and a heteroaromatic dithiolate ligand, and is coordinated with the Group 8 metal atom. - View Dependent Claims (15, 16, 17, 18, 19)
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20. An organic EL element comprising a color conversion layer,
wherein the color conversion layer is capable of emitting phosphorescence and is capable of converting incident light into light having a wavelength longer than the wavelength thereof by 100 nm or more.
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25. An organometallic complex comprising:
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a rhenium (Re) atom;
one ligand which comprises a coordinated nitrogen atom and a coordinated oxygen atom, each coordinated with the rhenium (Re) atom, and comprises at least one π
conjugation part; and
the other ligand coordinated with the rhenium (Re) atom in such a way that the ligand saturates the coordination number of the rhenium (Re) atom and the charge of the whole organometallic complex is neutral, and which organometallic complex is used for an organic EL element. - View Dependent Claims (28)
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26. An organometallic complex comprising:
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a rhenium (Re) atom;
one ligand which comprises a coordinated nitrogen atom and a coordinated carbon atom, each coordinated with the rhenium (Re) atom, and comprises at least one π
conjugation part; and
the other ligand coordinated with the rhenium (Re) atom in such a way that the ligand saturates the coordination number of the rhenium (Re) atom and the charge of the whole organometallic complex is neutral, and which organometallic complex is used for an organic EL element.
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27. An organometallic complex comprising:
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at least one of Group 8 metal atoms selected from Group 8 metal element;
one ligand which comprises at least one π
conjugation part and is coordinated with the Group 8 metal atom; and
a dithiolate ligand which is selected from an aliphatic dithiolate ligand and a heteroaromatic dithiolate ligand, and is coordinated with the Group 8 metal atom, and which organometallic complex is used for an organic EL element.
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29. An organic EL display, comprising an organic EL element, wherein the organic EL element comprises:
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a positive electrode;
a negative electrode; and
an organic thin film layer disposed between the positive electrode and the negative electrode, wherein the organic thin film layer comprises an organometallic complex, wherein the organometallic complex comprises;
a rhenium (Re) atom;
one ligand which comprises a coordinated nitrogen atom and a coordinated oxygen atom, each coordinated with the rhenium (Re) atom, and comprises at least one π
conjugation part; and
the other ligand coordinated with the rhenium (Re) atom in such a way that the ligand saturates the coordination number of the rhenium (Re) atom and the charge of the whole organometallic complex is neutral. - View Dependent Claims (30, 31, 32)
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Specification