Anthracene compound for organic electroluminescent device
An anthracene compound for an organic electroluminescent device, having formula (I) or (II) wherein R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 are each individually an unsubstituted or substituted aryl group having 6 to 20 carbon atoms, an unsubstituted or substituted heteroaryl group having 6 to 20 carbon atoms, or an unsubstituted or substituted alkyl group having 1 to 12 carbon atoms, wherein the substituent is C 1-10 alkyl, C 1-10 alkoxy, or halogen.
1. An anthracene compound having formula (I)
wherein R 1 , and R 2 , are each individually an unsubstituted or substituted aryl group having 6 to 20 carbon atoms, an unsubstituted or substituted heteroaryl group having 6 to 20 carbon atoms, wherein the substituent is C 1-10 alkyl, C 1-10 alkoxy, or halogen; and
R 5 , and R 6 are each individually an unsubstituted or substituted phenyl group, an unsubstituted or substituted heteroaryl group having 6 to 20 carbon atoms, or an unsubstituted or substituted alkyl group having 1 to 12 carbon atoms, wherein the substituent is C 1-10 alkyl, C 1-10 alkoxy, or halogen.
2. The anthracene compound as claimed in claim 1 , which has formula (III)
wherein R 1 , R 2 , R 5 , and R 6 are defined above.
3. The anthracene compound as claimed in claim 2 , which is selected from the following formulae
4. The anthracene compound as claimed in claim 1 , which is light emitting.
5. The anthracene compound as claimed in claim 1 , which has hole transport property.
6. An organic electroluminescent device, comprising a pair of electrodes and a layer of organic light emitting medium disposed between the pair of electrodes,
wherein the layer of organic light emitting medium includes an anthracene compound having formula (I)
wherein R 1 , and R 2 , are each individually an unsubstituted or substituted aryl group having 6 to 20 carbon atoms, an unsubstituted or substituted heteroaryl group having 6 to 20 carbon atoms, wherein the substituent is C 1-10 alkyl, C 1-10 alkoxy, or halogen; and
R 5 , and R 6 are each individually an unsubstituted or substituted phenyl group, an unsubstituted or substituted heteroaryl group having 6 to 20 carbon atoms, or an unsubstituted or substituted alkyl group having 1 to 12 carbon atoms, wherein the substituent is C 1-10 alkyl, C 1-10 alkoxy or halogen.
7. The organic electroluminescent device as claimed in claim 6 , wherein the anthracene compound has formula (III)
wherein R 1 , R 2 , R 5 , and R 6 are defined above.
8. The organic electroluminescent device as claimed in claim 7 , wherein the anthracene compound is selected from the following formulae
9. The organic electroluminescent device as claimed in claim 6 , wherein the layer of organic light emitting medium includes a light emitting layer, and the light emitting layer includes an anthracene compound having formula (I).
10. The organic electroluminescent device as claimed in claim 6 , wherein the layer of organic light emitting medium includes a light emitting layer and a hole transport layer, and the hole transport layer includes an anthracene compound having formula (I).