Organic electroluminescence device
Abstract
Provided is an organic electroluminescence device having a long lifetime and capable of emitting blue light with high luminous efficiency. The organic electroluminescence device has an organic thin film layer composed of one or multiple layers including at least a light emitting layer and interposed between a cathode and an anode. In the organic electroluminescence device, the light emitting layer contains at least one kind selected from compounds each having a specific fluoranthene structure and at least one kind selected from fused ring-containing compounds each having a specific structure.
Claims
exact text as granted — not AI-modified1 - 20 . (canceled)
21 . An organic electroluminescence device, comprising:
a cathode; an anode; and an organic thin film layer interposed between the cathode and the anode;
wherein:
the organic thin film layer comprises at least one layer comprising at least one light emitting layer;
the light emitting layer comprises at least one compound selected from compounds according to general formula (Ia), general formula (Ib) and general formula (Ic):
wherein:
X 1 to X 10 each independently represent a hydrogen atom, a halogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkoxy group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkylthio group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyloxy group having 2 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenylthio group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, a substituted or unsubstituted aralkyloxy group having 7 to 30 carbon atoms, a substituted or unsubstituted aralkylthio group having 7 to 30 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, a substituted or unsubstituted heterocyclic group having 5 to 20 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 20 carbon atoms, a substituted or unsubstituted arylthio group having 6 to 20 carbon atoms, a cyano group, a silyl group, a hydroxy group, a —COOR 1e group where R 1e represents a hydrogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a —COR 2c group where 2c R 2c represents a hydrogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, or an amino group, or a —OCOR 3e group where R 3e represents a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 30 carbon atoms;
provided that:
the substituted or unsubstituted aryl group having 6 to 20 carbon atoms is not represented by the formula (1a) where X 1 to X 10 each independently represent a hydrogen atom, a halogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkoxy group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkylthio group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyloxy group having 2 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenylthio group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, a substituted or unsubstituted aralkyloxy group having 7 to 30 carbon atoms, a substituted or unsubstituted aralkylthio group having 7 to 30 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, a substituted or unsubstituted heterocyclic group having 5 to 20 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 20 carbon atoms, a substituted or unsubstituted arylthio group having 6 to 20 carbon atoms, a substituted or unsubstituted amino group having 2 to 30 carbon atoms, a cyano group, a silyl group, a hydroxy group, a —COOR 1e group where R 1e represents a hydrogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7. to 30 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, or —COR 2e group where R 2e represents a hydrogen atom, a substituted or unsubstituted, linear branched or cyclic alkyl group having 1 to 30 carbon atoms a substituted or unsubstituted linear branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms or an amino group, or a —OCOR 3e group where R 3e represents a substituted or unsubstituted linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 30 carbon atoms;
wherein:
X 1 to X 12 are defined in the same manner as X 1 to X 10 of general formula (1a);
provided that:
X 1 to X 12 may be a substituted or unsubstituted amino group having 2 to 30 carbon atoms;
the substituted or unsubstituted aryl group having 6 to 20 carbon atoms is not represented by the formula (1b); and
a case where both X 4 and X 11 represent hydrogen atoms is excluded; and wherein adjacent X 1 to X 12 groups are not bonded to each other to form a substituted or unsubstituted carbon ring;
wherein:
X 1 to X 12 are defined in the same manner as X 1 to X 10 of general formula (1a);
provided that:
X 1 to X 12 may not be a substituted or unsubstituted heterocyclic group having 5 to 20 carbon atoms;
X 1 to X 12 may be a substituted or unsubstituted amino group having 2 to 30 carbon atoms;
adjacent groups or substituents of groups out of X 1 to X 12 are not bonded to each other to form a substituted or unsubstituted carbon ring;
X 7 ≠X 8 ; and
a case where both X 4 and X 11 in the general formula (1c) represent hydrogen atoms is excluded; and
a case where the light emitting layer comprises a compound according to general formula (1b) and 9,10-diphenylanthracene is excluded.
22 . An organic electroluminescence device, comprising:
a cathode; an anode; and, an organic thin film layer interposed between the cathode and the anode;
wherein:
the organic thin film layer comprises at least one layer comprising at least one light emitting layer;
the light emitting layer comprises at least one compound according to general formula (2):
FL n -G 1 (2),
wherein:
FL represents a monovalent group having a fluoranthene structure, selected from the group consisting of compounds according to general formula (Ia), general formula (Ib) and general formula (Ic):
wherein:
X 1 to X 10 each independently represent a hydrogen atom, a halogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkoxy group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkylthio group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyloxy group having 2 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenylthio group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, a substituted or unsubstituted aralkyloxy group having 7 to 30 carbon atoms, a substituted or unsubstituted aralkylthio group having 7 to 30 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, a substituted or unsubstituted heterocyclic group having 5 to 20 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 20 carbon atoms, a substituted or unsubstituted arylthio group having 6 to 20 carbon atoms, a cysno group, a silyl group, a hydroxy group, a —COOR 1e group where R 1e represents a hydrogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, or —COR 2e group where R 2e represents a hydrogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, or an amino group, or a —OCOR 3e group where R 3e represents a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 30 carbon atoms;
provided that:
a substituted or unsubstituted aryl group having 6 to 20 carbon atoms is not represented by the formula (1a) where X 1 to X 10 each independently represent a hydrogen atom, a halogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkoxy group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkylthio group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyloxy group having 2 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenylthio group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, a substituted or unsubstituted aralkyloxy group having 7 to 30 carbon atoms, a substituted or unsubstituted aralkylthio group having 7 to 30 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, a substituted or unsubstituted heterocyclic group having 5 to 20 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 20 carbon atoms, a substituted or unsubstituted arylthio group having 6 to 20 carbon atoms, a substituted or unsubstituted amino group having 2 to 30 carbon atoms, a cyano group, a silyl group, a hydroxy group, a —COOR 1c group where R 1c represents a hydrogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms or a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, or —COR 2c group where R 2c represents a hydrogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms a substituted or unsubstitutedt lineart branchedt or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atom a substituted or unsubstituted aryl group having 6 to 30 carbon atoms or an amino group, or a —OCOR 3e group where R 3e represents a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 30 carbon atoms;
wherein:
X 1 to X 12 are defined in the same manner as X 1 to X 10 of general formula (1a)
provided that:
X 1 to X 12 may be a substituted or unsubstituted amino group having 2 to 30 carbon atoms;
the substituted or unsubstituted aryl group having 6 to 20 carbon atoms is not represented by the formula (1b); and
a case where both X 4 and X 11 represent hydrogen atoms is excluded;
wherein:
X 1 to X 12 are defined in the same manner as X 1 to X 10 of general formula (1a)
provided that:
X 1 to X 12 may not be a substituted or unsubstituted heterocyclic group having 5 to 20 carbon atoms;
X 1 to X 12 may be a substituted or unsubstituted amino group having 2 to 30 carbon atoms;
adjacent groups or substituents of groups out of X 1 to X 12 may be bonded to each other to form a substituted or unsubstituted carbon ring:
X 7 ≠X 8 ; and
a case where both X 4 and X 11 in the general formula (1c) represent hydrogen atoms is excluded; n represents an integer of 2 to 4, and multiple FL's may be identical to or different from each other; and
G 1 represents a substituted or unsubstituted aromatic ring group having 6 to 40 carbon atoms, a substituted or unsubstituted arylamino group having 6 to 40 carbon atoms; a substituted or unsubstituted diaminoaryl group having 6 to 60 carbon atoms, a substituted or unsubstituted triaminoaryl group having 6 to 60 carbon atoms, a substituted or unsubstituted heterocyclic group having 3 to 40 carbon atoms, a substituted or unsubstituted ethenylene group, or a single bond;
wherein a case where the light emitting layer comprises a compound according to general formula (1b) and 9,10-diphenylanthracene is excluded.
23 . The organic electroluminescence device according to claim 22 , wherein, in the formula (2):
n is 2 to 4; and FL represents a monovalent group derived from a compound selected from compounds according to formula (2a), formula (2c), and formula (2d):
wherein:
X 1 to X 16 each independently represent a hydrogen atom, a halogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkoxy group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkylthio group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyloxy group having 2 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenylthio group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, a substituted or unsubstituted aralkyloxy group having 7 to 30 carbon atoms, a substituted or unsubstituted aralkylthio group having 7 to 30 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 20 carbon atoms, a substituted or unsubstituted arylthio group having 6 to 20 carbon atoms, a substituted or unsubstituted amino group having 2 to 30 carbon atoms, a cyano group, a silyl group, a hydroxy group, a —COOR 1e group where R 1e represents a hydrogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a —COR 2e group where R 2e represents a hydrogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, or an amino group, or a —OCOR 3e group where R 3e represents a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 30 carbon atoms; and
adjacent groups or substituents of groups out of X 1 to X 16 may be bonded to each other to form a substituted or unsubstituted carbon ring.
24 . The organic electroluminescence device according to claim 22 , wherein, in the formula (2):
n is 2 to 4; and FL represents a monovalent group derived from a compound having a structure according to formula (2′b):
wherein:
X 1 to X 12 each independently represent a hydrogen atom, a halogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkoxy group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkylthio group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyloxy group having 2 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenylthio group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, a substituted or unsubstituted aralkyloxy group having 7 to 30 carbon atoms, a substituted or unsubstituted aralkylthio group having 7 to 30 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 20 carbon atoms, a substituted or unsubstituted arylthio group having 6 to 20 carbon atoms, a substituted or unsubstituted amino group having 2 to 30 carbon atoms, a cyano group, a silyl group, a hydroxy group, a —COOR 1e group where R 1e represents a hydrogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a —COR 2e group where R 2e represents a hydrogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, or an amino group, or a —OCOR 3e group where R 3e represents a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 30 carbon atoms; and
adjacent groups or substituents of groups out of X 1 to X 12 may be bonded to each other to form a substituted or unsubstituted carbon ring:
provided that:
a case where, in the formula (2), n represents 2 and G 1 represents a linking group composed of a phenylene group, and G 2 in the formula (1) represents 10,10′-bis(2-phenylphenyl)-9,9′-bianthracene is excluded.
25 . The organic electroluminescence device according to claim 23 , wherein, in the formula (2):
n is 2; and each FL is different from the other.
26 . The organic electroluminescence device according to claim 24 , wherein, in the formula (2):
n is 2; and each FL is different from the other.
27 . The organic electroluminescence device according to claim 22 , wherein:
G 1 is selected from a single bond and groups having the following structures:
28 . The organic electroluminescence device according to claim 23 , wherein:
G 1 is selected from a single bond and groups having the following structures:
29 . The organic electroluminescence device according to claim 22 , wherein, in formula (2):
n is 2 to 4; and FL represents a monovalent group derived from a compound having a structure according to formula (2′b):
wherein:
X 1 to X 12 each independently represent a hydrogen atom, a halogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkoxy group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkylthio group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyloxy group having 2 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenylthio group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, a substituted or unsubstituted aralkyloxy group having 7 to 30 carbon atoms, a substituted or unsubstituted aralkylthio group having 7 to 30 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 20 carbon atoms, a substituted or unsubstituted arylthio group having 6 to 20 carbon atoms, a substituted or unsubstituted amino group having 2 to 30 carbon atoms, a cyano group, a silyl group, a hydroxy group, a —COOR 1e group where R 1e represents a hydrogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a —COR 2e group where R 2e represents a hydrogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, or an amino group, or a —OCOR 3e group where R 3e represents a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 30 carbon atoms; and
adjacent groups or substituents of groups out of X 1 to X 12 may be bonded to each other to form a substituted or unsubstituted carbon ring;
provided that:
multiple FL's are different from each other when n=2; and
at least one FL is different from the other FL's when n=3 or 4.
30 . The organic electroluminescence device according to claim 22 , wherein, in the formula (2):
n is 2 to 4; and FL represents a monovalent group derived from a compound according to formula (2′b):
wherein:
X 1 to X 12 each independently represent a hydrogen atom, a halogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkoxy group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkylthio group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyloxy group having 2 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenylthio group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, a substituted or unsubstituted aralkyloxy group having 7 to 30 carbon atoms, a substituted or unsubstituted aralkylthio group having 7 to 30 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 20 carbon atoms, a substituted or unsubstituted arylthio group having 6 to 20 carbon atoms, a substituted or unsubstituted amino group having 2 to 30 carbon atoms, a cyano group, a silyl group, a hydroxyl group, a —COOR 1e group where R 1e represents a hydrogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a —COR 2e group where R 2e represents a hydrogen atom, a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, or an amino group, or a —OCOR 3e group where R 3e represents a substituted or unsubstituted, linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted, linear, branched, or cyclic alkenyl group having 2 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 30 carbon atoms; and
adjacent groups or substituents of groups out of X 1 to X 12 may be bonded to each other to form a substituted or unsubstituted carbon ring;
provided that:
multiple FL's are different from each other when n=2; and
at least one FL is different from the other FL's when n=3 or 4; and
G 1 is selected from a single bond and groups having the following structures:
31 . An organic electroluminescence device according to claim 21 , wherein the light emitting layer comprises 0.01 to 20 wt % of the at least one compound selected from compounds according to formula (1a), formula (1b) and formula (1c).
32 . An organic electroluminescence device according to claim 22 , wherein the light emitting layer comprises 0.01 to 20 wt % of the at least one compound selected from compounds according to formula (1a), formula (1b) and formula (1c).
33 . An organic electroluminescence device according to claim 21 , wherein a surface of at least one of the pair of electrodes is provided with a chalcogenide layer, a metal halide layer, or a metal oxide layer.
34 . An organic electroluminescence device according to claim 22 , wherein a surface of at least one of the pair of electrodes is provided with a chalcogenide layer, a metal halide layer, or a metal oxide layer.
35 . The organic electroluminescence device according to claim 21 , wherein the at least one compound according to general formula (2) is selected from the group consisting of:
36 . The organic electroluminescence device according to claim 22 , wherein the at least one compound according to general formula (2) is selected from the group consisting of:
37 . A compound represented by the following formula 2-85, 2-44, 5-12, 2-43, 2-22, 2-32, 2-33, 2-29, 2-24, 2-21, 2-66, 2-7, 5-3, 5-14, 5-7, 5-16 and 7-1:Join the waitlist — get patent alerts
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