Organic electroluminescent device, display, and illuminating device

1. An organic electroluminescent element comprising a cathode and an anode having therebetween at least one organic compound layer,

wherein one of the organic compound layer comprises a polymer having one of repeat units represented by Formula (2):

wherein Ar 2 represents a phenylene group which may have a substituent or a biphenylene group which may have a substituent;

L 2 represents a linkage group selected from Group 2; and L 3 represents a single bond or a linkage group selected from Group 3; X represents a group represented by Formula (3) or (9); and n 2 represents an integer of not less than two:

wherein R 3 , R 4 , R 10 and R 11 each represent a phenyl group,

wherein R 14 -R 21 each independently represent a hydrogen atom, an alkyl group or a cycloalkyl group, provided that adjacent groups of R 14 -R 21 may be joined to form a ring,

wherein Z 1 and Z 2 each represent a 6-membered aromatic ring comprising a group of atoms selected from the group of carbon, hydrogen and nitrogen, provided that Z 1 and Z 2 may be different.

2. The organic electroluminescent element of claim 1 , wherein the organic electroluminescent element emits white light.

3. A display equipped with the organic electroluminescent element of claim 1 .

4. An illuminator equipped with the organic electroluminescent element of claim 1 .

5. A display equipped with the illuminator of claim 4 and a liquid crystal cell as a display means.

6. The organic electroluminescent element of claim 1 , wherein the polymer comprises a repeating unit selected from the group consisting of PO-11, PO-12 and PO-13:

7. The organic electroluminescent element of claim 6 , wherein the repeating unit is PO-11.

8. The organic electroluminescent element of claim 6 , wherein the repeating unit is PO-12.

9. The organic electroluminescent element of claim 6 , wherein the repeating unit is PO-13.

10. An organic electroluminescent element comprising a cathode and an anode having therebetween at least one organic compound layer,

wherein one of the organic compound layer comprises a copolymer represented by Formula (22):

wherein Ar 1 to Ar m each represent a phenylene group which may have a substituent or a biphenylene group which may have a substituent; m represents an integer of not less than two; Ar 1 to Ar m may be the same or may be different; L 1 to L m each represent a linkage group selected from Group 2; K 1 to K m each represent a single bond or a linkage group selected from Group 3; and X 1 to X m each represent a group represented by Formula (3) or (9):

wherein R 3 , R 4 , R 10 and R 11 each represent a phenyl group,

wherein R 14 -R 21 each independently represent a hydrogen atom, an alkyl group or a cycloalkyl group, provided that adjacent groups of R 14 -R 21 may be joined to form a ring,

wherein Z 1 and Z 2 each represent a 6-membered aromatic ring comprising a group of atoms selected from the group of carbon, hydrogen and nitrogen, provided that Z 1 and Z 2 may be different.

11. The organic electroluminescent element of claim 10 , wherein the organic electroluminescent element emits white light.

12. A display equipped with the organic electroluminescent element of claim 10 .

13. An illuminator equipped with the organic electroluminescent element of claim 10 .

14. A display equipped with the illuminator of claim 13 and a liquid crystal cell as a display means.

15. An organic electroluminescent element comprising a cathode and an anode having therebetween at least one organic compound layer,

wherein one of the organic compound layer comprises a mixture of two or more polymers each represented by Formulas (1), (2), or (22),

wherein the mixture comprises at least one polymer represented by Formula (2):

wherein Ar 1 represents a phenylene group which may have a substituent or a biphenylene group which may have a substituent; and L 1 represents a linkage group selected from Group 1; and n 1 represents an integer of not less than two:

wherein R 3 and R 4 each represent a phenyl group,

wherein Ar 2 represents a phenylene group which may have a substituent or a biphenylene group which may have a substituent;

L 2 represents a linkage group selected from Group 2; and L 3 represents a single bond or a linkage group selected from Group 3; X represents a group represented by Formula (3) or (9); and n 2 represents an integer of not less than two:

wherein R 3 , R 4 , R 10 and R 11 each represent a phenyl group,

wherein R 14 -R 21 each independently represent a hydrogen atom, an alkyl group or a cycloalkyl group, provided that adjacent groups of R 14 -R 21 may be joined to form a ring,

wherein Z 1 and Z 2 each represent a 6-membered aromatic ring comprising a group of atoms selected from the group of carbon, hydrogen and nitrogen, provided that Z 1 and Z 2 may be different, and

wherein Ar 1 to Ar m each represent a phenylene group which may have a substituent or a biphenylene group which may have a substituent; m represents an integer of not less than two; Ar 1 to Ar m may be the same or may be different; L 1 to L m each represent a linkage group selected from above Group 2; K 1 to K m each represent a single bond or a linkage group selected from above Group 3; and X 1 to X m each represent a group represented by above Formula (3) or (9).

16. The organic electroluminescent element of claim 15 , wherein the organic electroluminescent element emits white light.

17. A display equipped with the organic electroluminescent element of claim 15 .

18. An illuminator equipped with the organic electroluminescent element of claim 9 .

19. A display equipped with the illuminator of claim 18 and a liquid crystal cell as a display means.