Organic electroluminescent element material, organic electroluminescent element, display device and lighting device

Abstract

An organic electroluminescent element material represented by Formula (1),

Description

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic drawing to show an example of a display device constituted of an organic EL element.

FIG. 2 is a schematic drawing of display section A.

FIG. 3 is an equivalent circuit diagram of an image pixel.

FIG. 4 is a schematic drawing of a full color display device according to a passive matrix mode.

FIG. 5 is a schematic drawing of an illumination device.

FIG. 6 is a schematic drawing of an illumination device.

Claims

1. An organic electroluminescent element material represented by Formula (1),

2. An organic electroluminescent element material represented by Formula (1B),

3. The organic electroluminescent element material of claim 2, wherein Zb in Formula (1B) has further a halogen atom.

4. An organic electroluminescent element material comprising a polymer having a partial structure represented by Formula (1B) of claim 2 in the molecule.

5. An organic electroluminescent element material represented by Formula (2),

6. The organic electroluminescent element material of claim 5, wherein in Formula (2), n1 is 2 or more and a plurality of R1s forms a ring by binding together.

7. The organic electroluminescent element material of claim 5, wherein R1 in Formula (2) is an aromatic hydrocarbon having a substituent.

8. The organic electroluminescent element material of claim 5, wherein R1 in Formula (2) is an aromatic heterocylic group or a non aromatic heterocylic group.

9. The organic electroluminescent element material of claim 5, wherein R1 in Formula (2) is an alkoxy group or an aryloxy group.

10. The organic electroluminescent element material of claim 5, wherein R2 in Formula (2) is a substituent.

11. The organic electroluminescent element material of claim 5, wherein Formula (2) is further represented by Formula (3),

12. The organic electroluminescent element material of claim 11, wherein Formula (3) is further represented by Formula (4),

13. The organic electroluminescent element material of claim 12, wherein R3 in Formula (4) is a hydrogen atom.

14. The organic electroluminescent element material of claim 5, wherein m2 in Formula (2) is 0.

15. The organic electroluminescent element material of claim 5, wherein R in Formula (2) is electron donative.

16. The organic electroluminescent element material of claim 5 exhibiting a first emission wavelength of 400 to 500 nm.

17. An organic electroluminescent element comprising the organic electroluminescent element material of claim 1.

18. An organic electroluminescent element comprising the organic electroluminescent element material of claim 2.

19. An organic electroluminescent element comprising the organic electroluminescent element material of claim 5.

20. An organic electroluminescent element comprising an emission layer as a constituting layer of the element, wherein the emission layer comprises the organic electroluminescent element material of claim 5.

21. The organic electroluminescent element of claim 20, wherein the emission layer further comprises: (i) a carboline derivative; or(ii) a condensed ring compound having a structure derived from carboline, wherein at least one of carbon atoms of a hydrocarbon ring in a carboline ring is substituted with a nitrogen atom.

22. The organic electroluminescent element of claim 19, comprising a positive hole inhibition layer as a constituting layer of the element, the positive hole layer containing: (i) a carboline derivative; or(ii) a condensed ring compound having a structure derived from carboline, wherein at least one of carbon atoms of a hydrocarbon ring in a carboline ring is substituted with a nitrogen atom.

23. A display device comprising the organic electroluminescent element of claim 17.

24. A display device comprising the organic electroluminescent element of claim 18.

25. A display device comprising the organic electroluminescent element of claim 19.

26. A lighting device comprising the organic electroluminescent element of claim 17.

27. A lighting device comprising the organic electroluminescent element of claim 18.

28. A lighting device comprising the organic electroluminescent element of claim 19.