Thieno[3,2-b]indole based polymer and organo-electroluminescent device using the same
View Patent ↗A thieno[3,2-b]indole-based polymer and an organo-electroluminescent device in which the polymer is introduced into an organic layer are provided. The thieno[3,2-b]indole-based polymer may be easily prepared and has blue light-emitting characteristic. The organo-electroluminescent device adopting the organic layer using the thieno[3,2-b]indole-based polymer has improved color purity, efficiency, and luminance characteristics.
1. A thieno[3,2-b]indole-based polymer represented by Formula (4):
wherein R 6 through R 10 are independently selected from the group consisting of a C 1-12 alkyl group and a C 6-20 aryl group;
x is a number from 0.01 to 0.99;
y is a number from 0.01 to 0.99; and
z is a real number from 5 to 1000.
2. The thieno[3,2-b]indole-based polymer of claim 1 , wherein said polymer is represented by Formula (5):
wherein x is a number from 0.01 to 0.99;
y is a number from 0.01 to 0.99; and
z is a real number from 5 to 1000.
3. The thieno[3,2-b]indole-based polymer of claim 1 , wherein said polymer has a number average molecular weight of from 10,000 to 200,000 and a molecular weight distribution of from 1.5 to 5.
4. An organo-electroluminescent device comprising an organic layer comprising the thieno[3,2-b]indole-based polymer of claim 1 between a pair of electrodes.
5. An organo-electroluminescent device, comprising:
a pair of electrodes;
an organic layer between said pair of electrodes, said organic layer including a thieno[3,2-b]indole-based polymer selected from the group consisting of a polymer represented by Formula (4):
wherein R 6 through R 10 are independently selected from the group consisting of a C 1-12 alkyl group and a C 6-20 aryl group;
x is a real number from 0.01 to 0.99;
y is a real number from 0.01 to 0.99; and
z is a degree of polymerization and a real number from 5 to 1000.
6. The organo-electroluminescent device of claim 5 , wherein the organic layer is a light-emitting layer.
7. The organo-electroluminescent device of claim 5 , wherein the polymer is represented by Formula (5):
wherein x is a number from 0.01 to 0.99;
y is a number from 0.01 to 0.99; and
z is a real number from 5 to 1000.
8. The organo-electroluminescent device of claim 7 , wherein the polymer has a number average molecular weight of from 10,000 to 200,000 and a molecular weight distribution of from 1.5 to 5.
9. The organo-electroluminescent device of claim 5 , wherein the polymer has a number average molecular weight of from 10,000 to 200,000 and a molecular weight distribution of from 1.5 to 5.
10. An organo-electroluminescent device, comprising:
a pair of electrodes;
an organic layer between said pair of electrodes, said organic layer including a polymer represented by Formula (4):
wherein R 6 through R 10 are independently selected from the group consisting of a C 1-12 alkyl group and a C 6-20 aryl group;
x is a number from 0.01 to 0.99;
y is a number from 0.01 to 0.99; and
z is a real number from 5 to 1000.
11. The organo-electroluminescent device of claim 10 , wherein the polymer is represented by Formula (5):
wherein x is a number from 0.01 to 0.99;
y is a number from 0.01 to 0.99; and
z is a real number from 5 to 1000.
12. The organo-electroluminescent device of claim 10 , wherein the organic layer is a light-emitting layer.
13. The organo-electroluminescent device of claim 10 , the polymer has a number average molecular weight of from 10,000 to 200,000 and a molecular weight distribution of from 1.5 to 5.