Conjugated compounds containing hydroindoloacridine structural elements, and their use

1. A conjugated compound containing a hydroindoloacridine structural element, comprising the following general structure:

wherein R 1 ˜R 5 can be identical or different and R 1 ˜R 3 are independently selected from the group consisting of the following: H atom, halogen substituted aryl group, C1-C20 haloalkyl substituted aryl group, C1-C20 haloalkyl substituted aralkyl group, aryl substituted C1-C20 alkyl group, C1-C20 alkyl group, C1-C20 alkoxy group, nitrile group, nitro group, carbonyl group, cyano group (—CN), phosphoryl (P═O) aryl group, Si-containing aryl group, and heterocyclic ring group; wherein R 4 ˜R 5 are independently selected from the group consisting of the following: halogen substituted aryl group, C1-C20 haloalkyl substituted aryl group, C1-C20 haloalkyl substituted aralkyl group, amino group, aryl substituted amino group, C1-C20 alkyl substituted amino group, nitrile group, nitro group, carbonyl group, cyano group (—CN), substituted aromatic amino group, phosphoryl (P═O) aryl group, Si-containing aryl group, and heterocyclic ring group.

2. The conjugated compound according to claim 1 , wherein each of said aryl group is selected from the group consisting of the following: phenyl, naphthyl, diphenyl, anthryl, pyrenyl, phenanthryl, and fluorene.

3. The conjugated compound according to claim 1 , wherein said heterocyclic ring group is selected from the group consisting of the following: pyrane, pyrroline, furan, benzofuran, thiophene, benzothiophene, pyridine, quinoline, isoquinoline, pyrazine, pyrimidine, pyrrole, pyrazole, imidazole, indole, thiazole, isothiazole, oxazole, isoxazole, benzothiazole, benzoxazole, 1,2,4-triazole, 1,2,3-triazole, 1,2,3,4-tetraazole, and phenanthroline.

4. The conjugated compound according to claim 1 , wherein said conjugated compound containing a hydroindoloacridine structural element is utilized in an organic electroluminescence and/or phosphorescence device.

5. The conjugated compound according to claim 1 , wherein said conjugated compound containing a hydroindoloacridine structural element is utilized as a host material for an organic electroluminescence and/or phosphorescence device.

6. The conjugated compound according to claim 1 , wherein said conjugated compound containing a hydroindoloacridine structural element is utilized as a hole transport material for an organic electronic device.

7. An organic light emitting device, comprising:

a pair of electrodes; and

at least one organic layer provided between said electrodes;

wherein said at least one organic layer comprises one light-emitting layer and at least one of said organic layers comprises one conjugated compound containing a hydroindoloacridine structural element, having the following general structure:

wherein R 1 ˜R 5 can be identical or different and R 1 ˜R 3 are independently selected from the group consisting of the following: H atom, halogen substituted aryl group, C1-C20 haloalkyl substituted aryl group, C1-C20 haloalkyl substituted aralkyl group, aryl substituted C1-C20 alkyl group, C1-C20 alkyl group, C1-C20 alkoxy group, nitrile group, nitro group, carbonyl group, cyano group (—CN), substituted aromatic amino group, phosphoryl (P═O) aryl group, Si-containing aryl group, and heterocyclic ring group; wherein R 4 ˜R 5 are independently selected from the group consisting of the following: halogen substituted aryl group, C1-C20 haloalkyl substituted aryl group, C1-C20 haloalkyl substituted aralkyl group, amino group, aryl substituted amino group, C1-C20 alkyl substituted amino group, nitrile group, nitro group, carbonyl group, cyano group (—CN), substituted aromatic amino group, phosphoryl (P═O) aryl group, Si-containing aryl group, and heterocyclic ring group.

8. The device according to claim 7 , wherein each of said aryl group is selected from the group consisting of the following: phenyl, naphthyl, diphenyl, anthryl, pyrenyl, phenanthryl, and fluorene.

9. The device according to claim 7 , wherein said heterocyclic ring group is selected from the group consisting of the following: pyrane, pyrroline, furan, benzofuran, thiophene, benzothiophene, pyridine, quinoline, isoquinoline, pyrazine, pyrimidine, pyrrole, pyrazole, imidazole, indole, thiazole, isothiazole, oxazole, isoxazole, benzothiazole, benzoxazole, 1,2,4-triazole, 1,2,3-triazole, 1,2,3,4-tetraazole, and phenanthroline.

10. The device according to claim 7 , wherein said conjugated compound containing a hydroindoloacridine structural element is utilized in said light-emitting layer of said organic light emitting device.

11. The device according to claim 7 , wherein said conjugated compound containing a hydroindoloacridine structural element is utilized as a host material in said light-emitting layer of said organic light emitting device.

12. The device according to claim 7 , wherein said conjugated compound containing a hydroindoloacridine structural element is utilized as an electron transport material of said organic light emitting device.

13. The device according to claim 7 , wherein said conjugated compound containing a hydroindoloacridine structural element is utilized as a hole transport material of said organic light emitting device.

14. The device according to claim 7 , wherein said light-emitting layer further comprises a guest emitting material and said guest emitting material comprises a transition metal complex.

15. The device according to claim 14 , wherein the transition metal of said transition metal complex is selected from the group consisting of the following: iridium (Ir), platinum (Pt), osmium (Os), copper (Cu), rhodium (Rh), europium (Eu), and ruthenium (Ru).

16. The device according to claim 14 , wherein said guest emitting material is blue phosphorescent.

17. The device according to claim 14 , wherein said guest emitting material is green phosphorescent.

18. The device according to claim 14 , wherein said guest emitting material is red phosphorescent.