Electron transport compound and organic light emitting device comprising the same

Abstract

An organic light emitting device having a pyrene based electron transport compound and an electron injecting and transport layer comprising the electron transport compound is provided.

Description

Claims

1. An electron transport compound, having the following chemical formula, wherein A that is substituted or is not substituted is selected from a group consisting of pyridinyl, quinolinyl, isoquinolinyl, quinoxalinyl, bipyridinyl, terpyridinyl, and phenanthrolinyl, andB and C that are substituted or are not substituted are selected from a group consisting of phenyl, biphenyl, naphthyl, fluorenyl, terphenyl, phenanthrolinyl, phenanthryl, and anthryl.

2. The electron transport compound of claim 1, wherein when the A, B, and C are substituted, a substituent of the A, B, and C is selected from a group consisting of aryl, alkyl, aryloxy, alkoxy, allylamino, alkylamino, halogen, and cyano.

3. The electron transport compound of claim 1, wherein when the A, B, and C are substituted, a substituent of the A, B, and C is selected from a group consisting of phenyl, biphenyl, triphenylmethyl, phenylethylidene, diphenylethylidene, phenylmethylidyne, phenoxy, tolyoxy, methyl, ethyl, propyl, i-propyl, t-butyl, cyclohexyl, diphenylamino, morpholine, methoxy, ethoxy, propoxy, butoxy, dimethylamino, diphenylamino, fluorine, and chlorine.

4. An organic light emitting device having an electron injecting and transport layer comprising the electron transport compound of claim 1.

5. The organic light emitting device of claim 4, wherein the electron injecting and transport layer is one or both of an electron injecting layer or an electron transport layer.

6. The organic light emitting device of claim 5, wherein the organic light emitting device comprises an anode, an emitting layer comprising an organic material and a cathode, wherein the electron injecting and transport layer is formed between the emitting layer and a cathode.

7. An electron transport compound, having the following chemical formula, wherein A that is substituted or is not substituted is selected from a group consisting of pyridinyl, quinolinyl, isoquinolinyl, quinoxalinyl, bipyridinyl, terpyridinyl, and phenanthrolinyl, andB and C that are substituted or are not substituted are selected from a group consisting of phenyl, biphenyl, naphthyl, fluorenyl, terphenyl, phenanthrolinyl, phenanthryl, and anthryl.

8. The electron transport compound of claim 7, wherein when the A, B, and C are substituted, a substituent of the A, B, and C is selected from a group consisting of aryl, alkyl, aryloxy, alkoxy, allylamino, alkylamino, halogen, and cyano.

9. The electron transport compound of claim 7, wherein when the A, B, and C are substituted, a substituent of the A, B, and C is selected from a group consisting of phenyl, biphenyl, triphenylmethyl, phenylethylidene, diphenylethylidene, phenylmethylidyne, phenoxy, tolyoxy, methyl, ethyl, propyl, i-propyl, t-butyl, cyclohexyl, diphenylamino, morpholine, methoxy, ethoxy, propoxy, butoxy, dimethylamino, diphenylamino, fluorine, and chlorine.

10. An organic light emitting device having an electron injecting and transport layer comprising the electron transport compound of claim 7.

11. The organic light emitting device of claim 10, wherein the electron injecting and transport layer is one or both of an electron injecting layer or an electron transport layer.

12. The organic light emitting device of claim 11, wherein the organic light emitting device comprises an anode, an emitting layer comprising an organic material and a cathode, wherein the electron injecting and transport layer is formed between the emitting layer and a cathode.

13. An electron transport compound, having the following chemical formula, wherein A that is substituted or is not substituted is selected from a group consisting of pyridinyl, quinolinyl, isoquinolinyl, quinoxalinyl, bipyridinyl, terpyridinyl, and phenanthrolinyl, andB and C that are substituted or are not substituted are selected from a group consisting of phenyl, biphenyl, naphthyl, fluorenyl, terphenyl, methyl, ethyl, propyl, i-propyl, halogen, phenanthrolinyl, phenanthryl, and anthryl.

14. The electron transport compound of claim 13, wherein when the A and B are substituted, a substituent of the A and B is selected from a group consisting of aryl, alkyl, aryloxy, alkoxy, allylamino, alkylamino, halogen, and cyano.

15. The electron transport compound of claim 13, wherein when the A and B are substituted, a substituent of the A and B is selected from a group consisting of phenyl, biphenyl, triphenylmethyl, phenylethylidene, diphenylethylidene, phenylmethylidyne, phenoxy, tolyoxy, methyl, ethyl, propyl, i-propyl, t-butyl, cyclohexyl, diphenylamino, morpholine, methoxy, ethoxy, propoxy, butoxy, dimethylamino, diphenylamino, fluorine, and chlorine.

16. An organic light emitting device having an electron injecting and transport layer comprising the electron transport compound of claim 13.

17. The organic light emitting device of claim 16, wherein the electron injecting and transport layer is one or both of an electron injecting layer or an electron transport layer.

18. The organic light emitting device of claim 17, wherein the organic light emitting device comprises an anode, an emitting layer comprising an organic material and a cathode, wherein the electron injecting and transport layer is formed between the emitting layer and a cathode.