Red phosphorescent compound and organic light emitting diode device using the same
The present invention provides a phosphorescent compound of one of following formulas:
1. A red phosphorescent compound having the following formula:
wherein Ar1 is selected from substituted or non-substituted pyridine, substituted or non-substituted quinoline and substituted or non-substituted phenanthroline, and Ar2 is selected from substituted or non-substituted pyridine and substituted or non-substituted quinoline.
2. The compound according to claim 1 , wherein the substituent of Ar1 and Ar2 is independently selected from C5-C20 aryl, C1-C10 alkyl, C1-C10 alkoxy, halogen, cyano and silyl.
3. The compound according to claim 1 , wherein the substituent of Ar1 and Ar2 is independently selected from pyridinyl, bipyridinyl, quinolinyl, isoquinolinyl, terpyridinyl, phenanthrolinyl, methyl, ethyl, propyl, iso-propyl, butyl, methoxy, ethoxy, buthoxy, fluorine, chloride, cyano and trimethylsilyl.
4. The compound according to claim 1 , wherein Ar1 and Ar2 is independently selected from following:
5. The compound according to claim 1 , wherein the compound includes one of following:
6. A red phosphorescent compound having the following formula:
wherein Ar1 is selected from substituted or non-substituted pyridine, substituted or non-substituted quinoline and substituted or non-substituted phenanthroline, and Ar2 is selected from substituted or non-substituted pyridine and substituted or non-substituted quinoline.
7. The compound according to claim 6 , wherein the substituent of Ar1 and Ar2 is independently selected from C5-C20 aryl, C1-C10 alkyl, C1-C10 alkoxy, halogen, cyano and silyl.
8. The compound according to claim 6 , wherein the substituent of Ar1 and Ar2 is independently selected from pyridinyl, bipyridinyl, quinolinyl, isoquinolinyl, terpyridinyl, phenanthrolinyl, methyl, ethyl, propyl, iso-propyl, butyl, methoxy, ethoxy, buthoxy, fluorine, chloride, cyano and trimethylsilyl.
9. The compound according to claim 6 , wherein Ar1 and Ar2 is independently selected from following:
10. The compound according to claim 6 , wherein the compound includes one of following:
11. An organic light emitting diode device, comprising:
a first electrode;
a second electrode facing the first electrode; and
an emitting material layer between the first and second electrodes and including a red phosphorescent compound having the following formula:
wherein Ar1 is selected from substituted or non-substituted pyridine, substituted or non-substituted quinoline and substituted or non-substituted phenanthroline, and Ar2 is selected from substituted or non-substituted pyridine and substituted or non-substituted quinoline.
12. The device according to claim 11 , wherein the red phosphorescent compound is soluble in a non-polar solvent.
13. The device according to claim 11 , wherein the red phosphorescent compound serves as a host in the emitting material layer.
14. An organic light emitting diode device, comprising:
a first electrode;
a second electrode facing the first electrode; and
an emitting material layer between the first and second electrodes and including a red phosphorescent compound having the following formula:
wherein Ar1 is selected from substituted or non-substituted pyridine, substituted or non-substituted quinoline and substituted or non-substituted phenanthroline, and Ar2 is selected from substituted or non-substituted pyridine and substituted or non-substituted quinoline.
15. The device according to claim 14 , wherein the red phosphorescent compound is soluble in a non-polar solvent.
16. The device according to claim 14 , wherein the red phosphorescent compound serves as a host in the emitting material layer.