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US 12,735,637 B2Granted
Polymer and organic light-emitting device using same
AssigneeLG Chem, Ltd.
InventorsJi Hoon Kim, Sungkyoung Kang, Dongyoon Khim, Yu Jin Woo, Jaechol Lee, Jiyoung Lee
Life of this patent
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Abstract
A polymer represented by the following Chemical Formula 1 and an organic light emitting device formed by using the same are described here: E1-[A1]a-[B1]b-[C1]c-E2 [Chemical Formula 1] wherein all the variables are described herein.
Claims17
A polymer represented by the following-Chemical Formula 1:
- E1-[A1]a-[B1]b-[C1]c-E2 [Chemical Formula 1]
- wherein, in Chemical Formula 1,
- A1 is represented by Chemical Formula 2,
- B1 is represented by Chemical Formula 3,
- C1 is a substituted or unsubstituted arylene group;
- or a substituted or unsubstituted divalent heterocyclic group, and
- E1 and E2 are the same as or different from each other, and are each independently hydrogen;
- deuterium;
- a substituted or unsubstituted alkyl group;
- a substituted or unsubstituted silyl group;
- a substituted or unsubstituted aryl group;
- a substituted or unsubstituted arylamine group;
- a substituted or unsubstituted siloxane group;
- a crosslinkable group;
- or a combination thereof,
- a, b, and c are each a mole fraction,
- a is a real number of 0<a≤1,
- b is a real number of 0≤b<1,
- c is a real number of 0≤c<1,
- a+b+c=1,
- in Chemical Formula 2,
- Ar1, Ar2, L1 and L2 are the same as or different from each other, and are each independently a substituted or unsubstituted arylene group,
- R1 to R3 are the same as or different from each other, and are each independently hydrogen;
- deuterium;
- a halogen group;
- a substituted or unsubstituted alkyl group;
- a substituted or unsubstituted silyl group;
- a substituted or unsubstituted aryl group;
- a substituted or unsubstituted heterocyclic group;
- a substituted or unsubstituted arylamine group;
- or a substituted or unsubstituted siloxane group,
- R10 to R13 are the same as or different from each other, and are each independently a substituted or unsubstituted alkyl group,
- n1 to n3 are each independently an integer from 1 to 4,
- when n1 to n3 are each independently 2 or higher, each of R1 to R3 is the same as or different from each other, respectively,
- l1 and l2 are each independently an integer from 1 to 5,
- when l1 and l2 are each independently 2 or higher, each of L1 and L2 is the same as or different from each other, respectively,
- * is an attachment point in the polymer,
- ZY—*]m [Chemical Formula 3]
- in Chemical Formula 3,
- m is an integer of 3 or 4,
- when m is 3, Z is CRa;
- SiRa;
- N;
- or a substituted or unsubstituted trivalent aryl group,
- when m is 4, Z is C;
- Si;
- or a substituted or unsubstituted tetravalent aryl group,
- Ra is hydrogen;
- deuterium;
- a substituted or unsubstituted alkyl group;
- or a substituted or unsubstituted aryl group,
- Y is a direct bond;
- a substituted or unsubstituted alkylene group;
- or a substituted or unsubstituted arylene group,
- when Y is a direct bond;
- or a substituted or unsubstituted alkylene group, Z is a substituted or unsubstituted trivalent or tetravalent aryl group, and
- * is an attachment point in the polymer.
54 more elements
A polymer comprising:
- a unit represented by Chemical Formula 2;
- and
- an end group represented by Chemical Formula 5:
- *-[E] [Chemical Formula 5]
- wherein, in Chemical Formulae 2 and 5,
- Ar1, Ar2, L1 and L2 are the same as or different from each other, and are each independently a substituted or unsubstituted arylene group,
- R1 to R3 are the same as or different from each other, and are each independently hydrogen;
- deuterium;
- a halogen group;
- a substituted or unsubstituted alkyl group;
- a substituted or unsubstituted silyl group;
- a substituted or unsubstituted aryl group;
- a substituted or unsubstituted heterocyclic group;
- a substituted or unsubstituted arylamine group;
- or a substituted or unsubstituted siloxane group,
- R10 to R13 are the same as or different from each other, and are each independently a substituted or unsubstituted alkyl group,
- n1 to n3 are each independently an integer from 1 to 4,
- when n1 to n3 are each independently 2 or higher, each of R1 to R3 is the same as or different from each other, respectively,
- l1 and l2 are each independently an integer from 1 to 5,
- when l1 and l2 are each independently 2 or higher, each of L1 and L2 is the same as or different from each other, respectively,
- E is hydrogen;
- deuterium;
- a substituted or unsubstituted alkyl group;
- a substituted or unsubstituted silyl group;
- a substituted or unsubstituted aryl group;
- a substituted or unsubstituted arylamine group;
- a substituted or unsubstituted siloxane group;
- a cross-linkable group;
- or a combination thereof, and
- * is an attachment point in the polymer.
27 more elements
Dependencies are inferred from the claim text.