Hole transport material for organic electroluminescence device and organic electroluminescence device comprising the same
A hole transport material for an organic electroluminescence device, the hole transport material being represented by the following Formula 1,
1. A hole transport material for an organic electroluminescence device, the hole transport material being a compound represented by following Formula 1:
wherein, Idc is an indolocarbazole group linked to ring A and ring B,
each X of ring A is independently a methine group or a nitrogen atom, at least one X of ring A being a nitrogen atom,
Y is a methylene group, an oxygen atom, or a sulfur atom,
Ar 1 is an aryl group having 6 to 20 carbon atoms,
each of R 1 -R 5 independently represents a substituted or unsubstituted straight or branched chain alkyl group having 6 to 20 carbon atoms, or an aryl group or a heteroaryl group having 6 to 20 carbon atoms,
a is an integer of 0 to 9,
b is an integer of 0 to 4,
c is an integer of 0 to 10,
d is an integer of 0 to 5, and
e is an integer of 0 to 10.
2. The hole transport material as claimed in claim 1 , wherein:
Idc is one of indolocarbazole groups (2) to (7):
and
ring B is bound to a carbon of Idc.
3. An organic electroluminescence device comprising a hole transport layer that includes a hole transport material, the hole transport material being a compound represented by the following Formula 3:
wherein, Idc is an indolocarbazole group linked to Ring A and Ring B,
each X of ring A is independently a methine group or a nitrogen atom, at least one X of ring A being a nitrogen atom,
Y is a methylene group, an oxygen atom, or a sulfur atom,
Ar 1 is an aryl group having 6 to 20 carbon atoms,
each of R 1 -R 5 independently represents a substituted or unsubstituted straight or branched chain alkyl group having 6 to 20 carbon atoms, or an aryl group or a heteroaryl group having 6 to 20 carbon atoms,
a is an integer of 0 to 9,
b is an integer of 0 to 4,
c is an integer of 0 to 10,
d is an integer of 0 to 5, and
e is an integer of 0 to 10.
4. The organic electroluminescence device as claimed in claim 3 , wherein:
Idc is one of indolocarbazole groups (9) to (14):
and
ring B is bound to a carbon of Idc.
5. A hole transport material for an organic electroluminescence device, wherein the hole transport material is represented by one of compounds (22) to (39):
6. An organic electroluminescence device comprising a hole transport layer that includes a hole transport material, wherein the hole transport material is represented by one of compounds (22) to (39):