FUSED HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE
First Claim
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1. A fused heterocyclic compound comprising at least one partial structure represented by the following general formula [1]:
- wherein;
X1 to X10 each represent a carbon atom having a substituent R or a nitrogen atom, the carbon atom or the nitrogen atom forming a ring, R represents a hydrogen atom, a halogen atom, a group selected from a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted amino group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted fused polycyclic aromatic group, a substituted or unsubstituted fused polycyclic heterocyclic group and a cyano group, or a single bond provided that at least one of X1 to X10 represents a nitrogen atom, and when a plurality of carbon atoms each having the substituent R are present, R'"'"'s may be independently identical to or different from each other, and adjacent substituents may form a ring structure; and
R1 and R2 each represent a halogen atom, a group selected from a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted amino group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted fused polycyclic aromatic group, a substituted or unsubstituted fused polycyclic heterocyclic group and a cyano group, or a single bond, and R1 and R2 may be identical to or different from each other.
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Abstract
To provide a material for an organic light emitting device showing a light emission hue with an extremely good purity and outputting light having high luminance and a long lifetime with high efficiency, the present invention relates to a fused heterocyclic compound having at least one partial structure represented by the following general formula [1].
25 Citations
15 Claims
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1. A fused heterocyclic compound comprising at least one partial structure represented by the following general formula [1]:
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wherein; X1 to X10 each represent a carbon atom having a substituent R or a nitrogen atom, the carbon atom or the nitrogen atom forming a ring, R represents a hydrogen atom, a halogen atom, a group selected from a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted amino group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted fused polycyclic aromatic group, a substituted or unsubstituted fused polycyclic heterocyclic group and a cyano group, or a single bond provided that at least one of X1 to X10 represents a nitrogen atom, and when a plurality of carbon atoms each having the substituent R are present, R'"'"'s may be independently identical to or different from each other, and adjacent substituents may form a ring structure; and R1 and R2 each represent a halogen atom, a group selected from a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted amino group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted fused polycyclic aromatic group, a substituted or unsubstituted fused polycyclic heterocyclic group and a cyano group, or a single bond, and R1 and R2 may be identical to or different from each other. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
wherein; X1 to X10 each represent a carbon atom having a substituent R or a nitrogen atom, the carbon atom or the nitrogen atom forming a ring, at least one of X1 to X10 represents a nitrogen atom, and when a plurality of carbon atoms each having the substituent R are present, R'"'"'s may be independently identical to or different from each other; Y represents a single bond, or an n-valent linking group derived from a substituted or unsubstituted alkane, a substituted or unsubstituted alkene, a substituted or unsubstituted alkyne, a substituted or unsubstituted amine, a substituted or unsubstituted aromatic ring, a substituted or unsubstituted heterocyclic ring, a substituted or unsubstituted fused polycyclic aromatic ring, or a substituted or unsubstituted fused polycyclic heterocyclic ring; R1 and R2 each represent a group selected from a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted fused polycyclic aromatic group, and a substituted or unsubstituted fused polycyclic heterocyclic group, and R1 and R2 may be identical to or different from each other; Y is bonded to any one of a carbon atom represented by any one of X1 to X10, R1, and R2; and n represents an integer of 2 or more to 10 or less.
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5. A fused heterocyclic compound according to claim 1, wherein the compound is represented by the following general formula [3]:
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wherein; Z represents a ring structure; X1 to X8 each represent a carbon atom having a substituent R or a nitrogen atom, the carbon atom or the nitrogen atom forming a ring, at least one of X1 to X8 represents a nitrogen atom, R represents a hydrogen atom, a halogen atom, or a group selected from a substituted or unsubstituted alkyl group, a substituted or unsubstituted amino group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted fused polycyclic aromatic group, a substituted or unsubstituted fused polycyclic heterocyclic group and a cyano group, and when a plurality of carbon atoms each having the substituent R are present, R'"'"'s may be independently identical to or different from each other; and R1 and R2 each represent a halogen atom, or a group selected from a substituted or unsubstituted alkyl group, a substituted or unsubstituted amino group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted fused polycyclic aromatic group, a substituted or unsubstituted fused polycyclic heterocyclic group and a cyano group, and R1 and R2 may be identical to or different from each other.
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6. A fused heterocyclic compound according to claim 5, wherein the compound is represented by the following general formula [4]:
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wherein; X1 to X8 each represent a carbon atom having a substituent R or a nitrogen atom, the carbon atom or the nitrogen atom forming a ring, at least one of X1 to X8 represents a nitrogen atom, R represents a hydrogen atom, a halogen atom, or a group selected from a substituted or unsubstituted alkyl group, a substituted or unsubstituted amino group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted fused polycyclic aromatic group, a substituted or unsubstituted fused polycyclic heterocyclic group and a cyano group; and R1 to R10 each represent a halogen atom, or a group selected from a substituted or unsubstituted alkyl group, a substituted or unsubstituted amino group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted fused polycyclic aromatic group, a substituted or unsubstituted fused polycyclic heterocyclic group and a cyano group, and R1 to R10 may be identical to or different from one another.
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7. A fused heterocyclic compound according to claim 5, wherein the compound is represented by the following general formula [5]:
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wherein; X1 to X18 each represent a carbon atom having a substituent R or a nitrogen atom, the carbon atom or the nitrogen atom forming a ring, at least one of X1 to X18 represents a nitrogen atom, R represents a hydrogen atom, a halogen atom, or a group selected from a substituted or unsubstituted alkyl group, a substituted or unsubstituted amino group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted fused polycyclic aromatic group, a substituted or unsubstituted fused polycyclic heterocyclic group and a cyano group, and when a plurality of carbon atoms each having the substituent R are present, R'"'"'s may be independently identical to or different from each other; and R1 to R4 each represent a halogen atom, or a group selected from a substituted or unsubstituted alkyl group, a substituted or unsubstituted amino group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted fused polycyclic aromatic group, a substituted or unsubstituted fused polycyclic heterocyclic group and a cyano group, and R1 to R4 may be identical to or different from one another.
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8. A fused heterocyclic compound according to claim 1, wherein X1 or X2 represents a nitrogen atom.
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9. A fused heterocyclic compound according to claim 7, wherein at least one of X1, X2, X17, and X18 represents a nitrogen atom.
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10. An organic light emitting device comprising:
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a pair of electrodes constituted of an anode and a cathode at least one of which is formed of a transparent or semitransparent electrode material; and a layer containing an organic compound, the layer being interposed between the pair of electrodes, wherein the layer containing an organic compound contains the fused heterocyclic compound according to claim 1.
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11. An organic light emitting device according to claim 10, wherein the layer containing the fused heterocyclic compound comprises at least two kinds of compounds of a host and a guest.
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12. An organic light emitting device according to claim 11, wherein the guest comprises the fused heterocyclic compound, and the host comprises a compound having an energy gap larger than an energy gap of the fused heterocyclic compound.
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13. An organic light emitting device according to claim 11, wherein the guest has a reduction potential higher than that of the host by 0.3 V or more.
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14. An organic light emitting device according to claim 10, wherein the layer containing the fused heterocyclic compound comprises at least one layer having a light emitting region.
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15. An organic light emitting device according to claim 14, wherein the at least one layer having the light emitting region comprises a light emitting layer.
Specification