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US 11,309,494 B2Granted
Copolymer and organic light emitting device comprising same
AssigneeLG Chem, Ltd.
InventorsYeonhui Yi, Jinseck Kim, Jaesoon Bae, Jaechol Lee, Soyoung Yu, Jae Hak Jeong
Life of this patent
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Abstract
The present specification provides a copolymer including a unit of Chemical Formula 1 and a unit of Chemical Formula 2; and an organic light emitting device including the same.
Claims14
A copolymer comprising:
- a unit of the following Chemical Formula 1;
- a unit of the following Chemical Formula 2;
- and
- a unit of the following Chemical Formula 3,
- wherein, in Chemical Formulae 1 and 2,
- Y1 is O;
- R1 is hydrogen;
- deuterium;
- a halogen group;
- a substituted or unsubstituted alkyl group;
- a substituted or unsubstituted alkoxy group;
- a substituted or unsubstituted cycloalkyl group;
- a substituted or unsubstituted aryl group;
- or a substituted or unsubstituted heterocyclic group;
- Ar1 to Ar3 are the same as or different from each other, and each independently a substituted or unsubstituted arylene group;
- or a substituted or unsubstituted heteroarylene group;
- Ar4 and Ar5 are the same as or different from each other, and each independently hydrogen;
- deuterium;
- a substituted or unsubstituted alkyl group;
- a substituted or unsubstituted aryl group;
- or a substituted or unsubstituted heteroaryl group;
- Ar6 is a direct bond;
- Ar7 is a substituted or unsubstituted arylene group;
- Ar8 and Ar9 are the same as or different from each other, and each independently hydrogen;
- deuterium;
- a halogen group;
- a nitrile group;
- a substituted or unsubstituted silyl group;
- a substituted or unsubstituted alkoxy group;
- a substituted or unsubstituted aryloxy group;
- a substituted or unsubstituted amine group;
- a substituted or unsubstituted alkyl group;
- a substituted or unsubstituted aryl group;
- or a substituted or unsubstituted heteroaryl group;
- a is an integer of 0 to 3;
- b is an integer of 0 or 1;
- c is an integer of 0 to 10;
- e is an integer of 1 or 2;
- and
- f is an integer of 1 or 2;
- when a is greater than 1, each of R1 is the same as or different from each other;
- when e is 2, each of
- is the same as or different from each other;
- and
- when f is 2, each of
- is the same as or different from each other,
- wherein, in Chemical Formula 3,
- R2 and R3 are the same as or different from each other, and each independently an unsubstituted alkyl group;
- R4 is hydrogen;
- deuterium;
- a halogen group;
- or a substituted or unsubstituted alkyl group;
- and
- d is from 0 to 6;
- when d is greater than 1, each of R4 is the same as or different from each other.
52 more elements
Dependencies are inferred from the claim text.