| 摘要 |
Provided are an organic electroluminescence device having improved performance and an electronic equipment containing the device, and also provided are a compound, a material for organic electroluminescence devices and an ink composition that enable the device and the equipment. The organic electroluminescence device contains a cathode, an anode, and one or more organic tin film layers containing a light emitting layer between the cathode and the anode, wherein at least one layer of the one or more organic thin film layers contains a compound represented by the formula (1) wherein Cz1 is a group represented by the formula (Cz-1), Cz2 is a group represented by the formula (Cz-2), A is a residue of a substituted or unsubstituted, nitrogen-containing aromatic hetero ring having 6 to 30 ring atoms, L1 and L2 each independently represent a substituted or unsubstituted arylene group having 6 to 60 ring carbon atoms, and n1 and n2 each are independently an integer of 0 to 4. |
| 主权项 |
1. An organic electroluminescence device comprising a cathode, an anode and one or more organic thin film layers including a light emitting layer between the cathode and the anode, wherein:
at least one layer of the one or more organic thin film layers comprises a compound represented by the formula (1): wherein Cz1 represents a group represented by the formula (Cz-1), Cz2 represents a group represented by the formula (Cz-2), A represents a residue of a substituted or unsubstituted nitrogen-containing aromatic hetero ring having 6 to 30 ring atoms, L1 and L2 each independently represent a substituted or unsubstituted arylene group having 6 to 60 ring carbon atoms, n1 and n2 each independently indicate an integer of 0 to 4, when n1=0, A and Cz1 bond via a single bond, when n2=0, A and Cz2 bond via a single bond, when n1 is an integer of 2 to 4, L1's may be the same as or different from each other, and L1's may form a ring, when n2 is an integer of 2 to 4, L2's may be the same as or different from each other, and L2's may form a ring; wherein X11 to X14 each independently represent N or C-*2, one of X15 to X18 is a carbon atom bonding to *11, and the other three each are independently N or C-*2, one of X21 to X24 is a carbon atom bonding to *21, and the other three each are independently N or C-*2, one of X25 to X28 is a carbon atom bonding to *22, and the other three each are independently N or C-*2, one of X31 to X34 is a carbon atom bonding to *31, and the other three are independently N or CRx1, X35 to X38 each independently represent N or CRx1, one of *1's or one of *2's bonds to L1 in the formula (1), *1 not bonding to L1 bonds to Ry1, *2 not bonding to L1 bonds to Rx1, Ry1 each independently represents a hydrogen atom or a substituent, Rx1 each independently represents a hydrogen atom or a substituent, and Rx1's may form a ring; wherein X41 to X44 each independently represent N or C-*4, one of X45 to X48 is a carbon atom bonding to *41, and the other three each are independently N or C-*4, one of X51 to X54 is a carbon atom bonding to *51, and the other three each are independently N or C-*4, X55 to X58 each independently represent N or C-*4, one of *3's or one of *4's bonds to L2 in the formula (1), *3 not bonding to L2 bonds to Ry2, *4 not bonding to L2 bonds to Rx2, Ry2 each independently represents a hydrogen atom or a substituent, Rx2 each independently represents a hydrogen atom or a substituent, and Rx2's may form a ring. |
