ORGANIC ELECTROLUMINESCENCE DEVICE

1 . An organic electroluminescence device comprising:

a pair of electrodes; and

at least one organic layer between the pair of electrodes, the at least one organic layer including a light emitting layer;

wherein the electroluminescence device comprises a compound having at least one group represented by any one of the following Formulas (7-1) to (7-10) and an iridium complex represented by the following Formula (A9-1):

wherein, each of R 712 to R 718 , R 722 to R 728 , R 732 to R 738 , R 742 to R 748 , R 752 to R 757 , R 762 to R 767 , R 772 to R 777 , R 782 to R 787 , R 792 to R 797 , and R 7102 to R 7107 independently represents a hydrogen atom, an alkyl group, or an alicyclic hydrocarbon group which may have an alkyl group; each of S 711 to S 7101 and S 712 to S 7102 independently represents the following substituent (S); each of S 711 to S 7101 is substituted to a carbon atom as R 712 to R 714 , R 722 to R 724 , R 732 to R 734 , R 742 to R 744 , R 752 to R 754 , R 762 to R 764 , R 772 to R 774 , R 782 to R 784 , R 792 to R 795 , and R 7102 to R 7105 ; each of R 712 to R 7102 is substituted to a carbon atom as R 715 to R 718 , R 725 to R 728 , R 735 to R 738 , R 745 to R 748 , R 755 to R 757 , R 765 to R 767 , R 775 to R 777 , R 785 to R 787 , R 796 to R 797 , and R 7106 to R 7107 ; ln and m represent integers of 0 to 4, and ln+m is an integer of 1 to 4:

wherein, R 1 represents an alkyl group; R 2 represents a hydrogen atom or an alkyl group; R 3 represents a hydrogen atom or an alkyl group; and R 1 to R 3 may be linked to each other to form a ring:

wherein, each of R 1a to R 1i , independently represents a hydrogen atom, an alkyl group, an alicyclic hydrocarbon group which may have an alkyl group, or a phenyl group which may have an alkyl group.

2 . The organic electroluminescence device as claimed in claim 1 , wherein the compound having at least one group represented by any one of Formulas (7-1) to (7-10) is a compound represented by the following Formula (8):

wherein, each of R 811 to R 816 independently represents a hydrogen atom, an alkyl group, an aryl group which may have an alkyl group, a fluorine group, a trifluoromethyl group, or a cyano group; and at least one of R 811 to R 816 is a group represented by any one of Formulas (7-1) to (7-10).

3 . The organic electroluminescence device as claimed in claim 1 , wherein the compound having at least one group represented by any one of Formulas (7-1) to (7-10) is a compound represented by the following Formula (9):

wherein, each of R 911 to R 920 independently represents a hydrogen atom, an alkyl group, an aryl group which may have an alkyl group, a fluorine group, a trifluoromethyl group, a cyano group, and a silyl group which may have an alkyl group; and at least one of R 911 to R 920 is a group represented by any one of Formula (7-1) to (7-10).

4 . The organic electroluminescence device as claimed in claim 1 , wherein the compound having at least one group represented by any one of Formulas (7-1) to (7-10) is a compound represented by the following Formula (10):

wherein, each of R 1011 to R 1018 independently represents a hydrogen atom, an alkyl group, an aryl group which may have an alkyl group, a fluorine group, a trifluoromethyl group, or a cyano group; and each of Cz 101 and Cz 102 independently represents a group represented by any one of Formula (7-1) to (7-10).

5 . The organic electroluminescence device as claimed in claim 1 , wherein the compound having at least one group represented by any one of Formulas (7-1) to (7-10) is a compound represented by the following Formula (11):

wherein, each of R 1111 to R 1118 independently represents a hydrogen atom, an alkyl group, an aryl group which may have an alkyl group, a fluorine group, a trifluoromethyl group, a cyano group, and a silyl group which may have an alkyl group; and each of Cz 11 , and Cz 112 independently represents a group represented by any one of Formula (7-1) to (7-10).

6 . The organic electroluminescence device as claimed in claim 1 , wherein the compound having at least one group represented by any one of Formulas (7-1) to (7-10) is a compound represented by the following Formula (13):

wherein, each of R 131 to R 135 independently represents a hydrogen atom and at least one of R 131 to R 135 is a group represented by any one of Formulas (7-1) to (7-10); R 136 represents a methyl group or a phenyl group which may have an alkyl group; each R 136 may be the same as or different from every other R 136 ; and m represents an integer of 1 to 4.

7 . The organic electroluminescence device as claimed in claim 1 , wherein the compound having at least one group represented by any one of Formulas (7-1) to (7-10) is a compound represented by the following Formula (14):

wherein, each of R 141 to R 145 independently represents a hydrogen atom, and at least one of R 141 to R 145 is a group represented by any one of Formulas (7-1) to (7-10); R 146 represents a hydrogen atom, a methyl group, or a phenyl group which may have an alkyl group, and each R 146 may be the same as or different from every other R 146 ; and m represents an integer of 1 to 4.

8 . The organic electroluminescence device as claimed in claim 1 , wherein the compound having at least one group represented by any one of Formulas (7-1) to (7-10) is a compound represented by the following Formula (15):

wherein, A 151 to A 158 represent an N atom or C—R 153 , an alkyl group, and R 153 represents a hydrogen atom, an alkyl group, or an alicyclic hydrocarbon group which may have an alkyl group; R 1511 represents a phenyl group which may have a substituent, and the substituent which the phenyl group may have is an alkyl group or a phenyl group; each of R 152 independently represents a methyl group or a phenyl group which may have an alkyl group, and each R 152 may be the same as or different from every other R 152 ; m represents an integer of 1 to 4; and a silicon linking group is linked with a C atom of A 151 to A 158 .

9 . The organic electroluminescence device as claimed in claim 1 , wherein the compound having at least one group represented by any one of Formulas (7-1) to (7-10) is a compound represented by the following Formula (16):

wherein, A 161 to A 168 represent an N atom or C—R 163 and R 163 represents a hydrogen atom, an alkyl group, or an alicyclic hydrocarbon group which may have an alkyl group; R 1611 represents a phenyl group which may have a substituent, and the substituent which the phenyl group may have is an alkyl group or a phenyl group; each of R 162 independently represents a methyl group or a phenyl group which may have an alkyl group; each R 162 may be the same as or different from every other R 162 ; m represents an integer of 1 to 4; and a carbon linking group is linked with a C atom of A 161 to A 168 .

10 . The organic electroluminescence device as claimed in claim 1 , wherein the substituent (S) is a group selected from the following (a) to (e), (i), (l), and (t) to (v);

11 . The organic electroluminescence device as claimed in claim 10 , wherein the substituent (S) is a group selected from the (a) to (e).

12 . The organic electroluminescence device as claimed in claim 1 , wherein the compound having at least one group represented by any one of Formulas (7-1) to (7-10) is comprised in the light emitting layer.

13 . The organic electroluminescence device as claimed in claim 1 , wherein the compound having at least one group represented by any one of Formulas (7-1) to (7-10) is comprised in a layer adjacent to the light emitting layer.

14 . The organic electroluminescence device as claimed in claim 1 , wherein the iridium complex (A9-1) is comprised in the light emitting layer.

15 . The organic electroluminescence device as claimed in claim 1 , wherein the compound having at least one group represented by any one of Formulas (7-1) to (7-10) and the iridium complex (A9-1) are comprised in the light emitting layer.

16 . The organic electroluminescence device as claimed in claim 1 , wherein at least one of the organic layers comprising the compound having at least one group represented by any one of Formulas (7-1) to (7-10) and an organic layer comprising the iridium complex (A9-1) is formed by a wet process.

17 . A composition comprising the compound having at least one group represented by any one of Formulas (7-1) to (7-10) as claimed in claim 1 and an iridium complex represented by (A9-1) as claimed in claim 1 .

18 . A light emitting layer comprising a compound having at least one group represented by any one of Formulas (7-1) to (7-10) as claimed in claim 1 and an iridium complex represented by (A9-1) as claimed in claim 1 .

19 . A light emission apparatus comprising an organic electroluminescence device as claimed in claim 1 .

20 . A display apparatus comprising an organic electroluminescence device as claimed in claim 1 .

21 . An illumination apparatus comprising the organic electroluminescence device as claimed in claim 1 .