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US 11,884,836 B2Granted
Polymer, coating composition comprising same, and organic light emitting element using same
AssigneeLG Chem, Ltd.
InventorsEsder Kang, Jinseck Kim, Jaesoon Bae, Jaechol Lee, Hwakyung Kim, Daeho Kim
Life of this patent
Estimating the term…
Abstract
The present specification relates to a polymer including a unit represented by Formula 1, a coating composition including the same, and an organic light emitting device formed by using the same.
Claims19
A polymer comprising a unit represented by Formula 103:
- in Formula 103,
- L1 and L3 to L5 are the same as or different from each other, and are each independently a direct bond;
- —O—;
- a substituted or unsubstituted alkylene group;
- a substituted or unsubstituted arylene group;
- a substituted or unsubstituted divalent amine group;
- or a substituted or unsubstituted heteroarylene group,
- L2 is —O—;
- a substituted or unsubstituted alkylene group;
- a substituted or unsubstituted arylene group;
- a substituted or unsubstituted divalent amine group;
- or a substituted or unsubstituted heteroarylene group,
- Ar1 to Ar3 are the same as or different from each other, and are each independently a substituted or unsubstituted alkyl group;
- a substituted or unsubstituted alkoxy group;
- a substituted or unsubstituted aryloxy group;
- a substituted or unsubstituted aryl group;
- or a substituted or unsubstituted heterocyclic group,
- R1 to R5 are the same as or different from each other, and are each independently hydrogen;
- deuterium;
- a halogen group;
- a hydroxyl group;
- a nitrile group;
- a substituted or unsubstituted alkyl group;
- a substituted or unsubstituted cycloalkyl group;
- a substituted or unsubstituted aryl group;
- or a substituted or unsubstituted heterocyclic group,
- r4 and r5 are the same as or different from each other, and each independently an integer from 1 to 3,
- when r4 and r5 are each 2 or more, two or more R4's and R5's are each the same as or different from each other,
- m1 is a repeating number of the unit, and an integer from 1 to 10,000,
- L101 is a direct bond;
- —O—;
- a substituted or unsubstituted alkylene group;
- a substituted or unsubstituted arylene group;
- a substituted or unsubstituted divalent amine group;
- or a substituted or unsubstituted heteroarylene group,
- b101 is an integer from 1 to 9, and
- when b101 is 2 or more, two or more L101's are the same as or different from each other.
34 more elements
Dependencies are inferred from the claim text.