Material for organic electroluminescent element and organic electroluminescent element employing the same

1. A material for organic electroluminescence devices, which comprises a compound represented by the following formula 2:

wherein R 1 to R 8 , R 10 and R 20 to R 24 are each independently hydrogen atom, halogen atom, alkyl group having 1 to 40 carbon atoms which is optionally substituted, cycloalkyl group having 3 to 15 carbon atoms which is optionally substituted, heterocyclic group having 3 to 20 carbon atoms which is optionally substituted, alkoxy group having 1 to 40 carbon atoms which is optionally substituted, non-condensed aryl group having 6 to 40 carbon atoms which is optionally substituted, condensed aryl group having 10 to 18 carbon atoms which is optionally substituted, aryloxy group having 6 to 20 carbon atoms which is optionally substituted, aralkyl group having 7 to 20 carbon atoms which is optionally substituted, arylamino group having 6 to 40 carbon atoms which is optionally substituted, alkylamino group having 1 to 40 carbon atoms which is optionally substituted, aralkylamino group having 7 to 60 carbon atoms which is optionally substituted, arylcarbonyl group having 7 to 40 carbon atoms which is optionally substituted, alkyl halide group having 1 to 40 carbon atoms which is optionally substituted, or cyano group, and each of R 1 to R 8 , R 10 and R 20 to R 24 having no polymerizable functional group at its terminal end; and X is sulfur atom or oxygen atom, with the proviso that R 6 to R 8 , R 10 and R 20 to R 24 do not form a ring, R 2 is not a non-condensed aryl group, and R 22 is not a methoxy group.

2. A material for organic electroluminescence devices, which comprises a compound represented by the following formula 3:

wherein R 1 to R 7 , R 9 , R 10 and R 20 to R 24 are each independently hydrogen atom, halogen atom, alkyl group having 1 to 40 carbon atoms which is optionally substituted, cycloalkyl group having 3 to 15 carbon atoms which is optionally substituted, heterocyclic group having 3 to 20 carbon atoms which is optionally substituted, alkoxy group having 1 to 40 carbon atoms which is optionally substituted, non-condensed aryl group having 6 to 40 carbon atoms which is optionally substituted, condensed aryl group having 10 to 18 carbon atoms which is optionally substituted, aryloxy group having 6 to 20 carbon atoms which is optionally substituted, aralkyl group having 7 to 20 carbon atoms which is optionally substituted, arylamino group having 6 to 40 carbon atoms which is optionally substituted, alkylamino group having 1 to 40 carbon atoms which is optionally substituted, aralkylamino group having 7 to 60 carbon atoms which is optionally substituted, arylcarbonyl group having 7 to 40 carbon atoms which is optionally substituted, alkyl halide group having 1 to 40 carbon atoms which is optionally substituted, or cyano group, each of R 1 to R 7 , R 9 , R 10 and R 20 to R 24 having no polymerizable functional group at its terminal end; and X is sulfur atom or oxygen atom, with the proviso that R 6 , R 7 , R 9 , R 10 and R 20 to R 24 do not form a ring.

3. A material for organic electroluminescence devices, which comprises a compound represented by the following formula 5:

wherein R 1 to R 8 , R 10 , R 20 , and R 22 to R 29 are each independently hydrogen atom, halogen atom, alkyl group having 1 to 40 carbon atoms which is optionally substituted, cycloalkyl group having 3 to 15 carbon atoms which is optionally substituted, heterocyclic group having 3 to 20 carbon atoms which is optionally substituted, alkoxy group having 1 to 40 carbon atoms which is optionally substituted, non-condensed aryl group having 6 to 40 carbon atoms which is optionally substituted, condensed aryl group having 10 to 18 carbon atoms which is optionally substituted, aryloxy group having 6 to 20 carbon atoms which is optionally substituted, aralkyl group having 7 to 20 carbon atoms which is optionally substituted, arylamino group having 6 to 40 carbon atoms which is optionally substituted, alkylamino group having 1 to 40 carbon atoms which is optionally substituted, aralkylamino group having 7 to 60 carbon atoms which is optionally substituted, arylcarbonyl group having 7 to 40 carbon atoms which is optionally substituted, alkyl halide group having 1 to 40 carbon atoms which is optionally substituted, or cyano group, and each of R 1 to R 8 , R 10 , R 20 , and R 22 to R 24 having no polymerizable functional group at its terminal end; and X is sulfur atom or oxygen atom,

with the proviso that R 6 to R 8 , R 10 , R 20 , and R 22 to R 24 do not form a ring.

4. The material for organic electroluminescence devices according to claim 1 , which is represented by the following formula 6:

wherein R 6 to R 8 , R 10 , R 20 to R 24 , and X are as defined above.

5. The material for organic electroluminescence devices according to claim 2 , which is represented by the following formula 7:

wherein R 6 , R 7 , R 9 , R 10 , R 20 to R 24 , and X are as defined above.

6. The material for organic electroluminescence devices according to claim 1 , which is represented by the following formula 9:

wherein R 7 , R 21 , R 23 , and X are as defined above.

7. A material for organic electroluminescence devices, which comprises a compound represented by the following formula 2:

wherein R 1 to R 8 , R 10 and R 20 to R 24 are each independently hydrogen atom, halogen atom, alkyl group having 1 to 40 carbon atoms which is optionally substituted, cycloalkyl group having 3 to 15 carbon atoms which is optionally substituted, heterocyclic group having 3 to 20 carbon atoms which is optionally substituted, alkoxy group having 1 to 40 carbon atoms which is optionally substituted, non-condensed aryl group having 6 to 40 carbon atoms which is optionally substituted, condensed aryl group having 10 to 18 carbon atoms which is optionally substituted, aryloxy group having 6 to 20 carbon atoms which is optionally substituted, aralkyl group having 7 to 20 carbon atoms which is optionally substituted, arylamino group having 6 to 40 carbon atoms which is optionally substituted, alkylamino group having 1 to 40 carbon atoms which is optionally substituted, aralkylamino group having 7 to 60 carbon atoms which is optionally substituted, arylcarbonyl group having 7 to 40 carbon atoms which is optionally substituted, alkyl halide group having 1 to 40 carbon atoms which is optionally substituted, or cyano group, and each of R 1 to R 8 , R 10 and R 20 to R 24 having no polymerizable functional group at its terminal end; and X is sulfur atom or oxygen atom,

with the proviso that R 6 to R 8 , R 10 and R 20 to R 24 do not form a ring, and at least one of R 6 to R 8 , R 10 , and R 20 to R 24 is selected from the group consisting of a substituted or non-substituted carbazolyl group, a substituted or non-substituted dibenzofuranyl group, a substituted or non-substituted azacarbazolyl group and a substituted or non-substituted dibenzothiophenyl group.

8. The material for organic electroluminescence devices according to claim 3 , wherein at least one of R 6 to R 8 , R 10 , R 20 , R 22 to R 24 , and R 25 to R 29 of formula 5 is selected from the group consisting of a substituted or non-substituted carbazolyl group, a substituted or non-substituted dibenzofuranyl group, a substituted or non-substituted azacarbazolyl group and a substituted or non-substituted dibenzothiophenyl group.

9. The material for organic electroluminescence devices according to claim 7 , which comprises a compound represented by the following formula 6:

wherein R 6 to R 8 , R 10 , R 20 to R 24 , and X are as defined above, and at least one of R 6 to R 8 , R 10 , and R 20 to R 24 is selected from the group consisting of a substituted or non-substituted carbazolyl group, a substituted or non-substituted dibenzofuranyl group, a substituted or non-substituted azacarbazolyl group and a substituted or non-substituted dibenzothiophenyl group.

10. The material for organic electroluminescence devices according to claim 7 , which comprises a compound represented by the following formula 9:

wherein R 7 , R 21 , R 23 , and X are as defined above, and at least one of R 7 , R 21 and R 23 is selected from the group consisting of a substituted or non-substituted carbazolyl group, a substituted or non-substituted dibenzofuranyl group, a substituted or non-substituted azacarbazolyl group and a substituted or non-substituted dibenzothiophenyl group.

11. The material for organic electroluminescence devices according to claim 2 , wherein at least one of R 6 , R 7 , R 9 , R 10 , and R 20 to R 24 of the formula 3 is selected from the group consisting of a substituted or non-substituted carbazolyl group, a substituted or non-substituted dibenzofuranyl group, a substituted or non-substituted azacarbazolyl group and a substituted or non-substituted dibenzothiophenyl group.

12. The material for organic electroluminescence devices according to claim 5 , wherein at least one of R 6 , R 7 , R 9 , R 10 , and R 20 to R 24 of the formula 7 is selected from the group consisting of a substituted or non-substituted carbazolyl group, a substituted or non-substituted dibenzofuranyl group, a substituted or non-substituted azacarbazolyl group and a substituted or non-substituted dibenzothiophenyl group.

13. The material according to claim 1 , which is suitable for an organic electroluminescence device.