Charge transport material, host material, thin film and organic light emitting element
A compound represented by the following formula (1) is useful as a charge transporting material. R 1 to R 6 represent a group represented by the formula (2), R 7 represents an aryl group or an aralkyl group, and R 11 to R 15 represent a hydrogen atom or a substituent.
1. A thin film containing a light emitting material and a compound represented by the following formula (1):
wherein R 1 to R 6 each independently represent a group represented by the following formula (2):
wherein R 7 represents a substituted or unsubstituted aryl group or a substituted or unsubstituted aralkyl group; and R 11 to R 15 each independently represent a hydrogen atom or a substituent, and R 7 and R 11 , R 11 and R 12 , R 12 and R 13 , R 13 and R 14 , and R 14 and R 15 each may be bonded to each other to form a cyclic structure.
2. The thin film according to claim 1 , wherein the light emitting material is a blue light emitting material.
3. An organic light emitting device containing an anode, a cathode, and at least one organic layer containing a light-emitting layer between the anode and the cathode, wherein at least one of the organic layers contains a compound represented by the following formula (1):
wherein R 1 to R 6 each independently represent a group represented by the following formula (2):
wherein R 7 represents a substituted or unsubstituted aryl group or a substituted or unsubstituted aralkyl group; and R 11 to R 15 each independently represent a hydrogen atom or a substituent, and R 7 and R 11 , R 11 and R 12 , R 12 and R 13 , R 13 and R 14 , and R 14 and R 15 each may be bonded to each other to form a cyclic structure.
4. The organic light emitting device according to claim 3 , wherein the charge transporting material is used in a light emitting layer as a host material.
5. The organic light emitting device according to claim 3 , wherein the organic light emitting material emits phosphorescent light.
6. The organic light emitting device according to claim 3 , wherein the organic light emitting material emits delayed fluorescent light.
7. The organic light emitting device according to claim 3 , wherein the organic light emitting device is an organic electroluminescent device.