Polymer, organic layer composition, and method of forming patterns

Patent metadata

Field	Value
Publication number	US-10556986-B2
Application number	US-201615268706-A
Country	US
Kind code	B2
Filing date	Sep 19, 2016
Priority date	Oct 23, 2015
Publication date	Feb 11, 2020
Grant date	Feb 11, 2020

Abstract

The Chemical Formula 1 is the same as defined in the detailed description.

First claim

What is claimed is:

1. A polymer comprising a structural unit represented by Chemical Formula 1:

wherein, in Chemical Formula 1,
A 1 and A 2 are independently a substituted or unsubstituted aromatic ring group, or a substituted or unsubstituted heteroaromatic ring group,
B is a divalent organic group,
X is O, S, Te, Se, or NR a , wherein R a is hydrogen, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C3 to C30 cycloalkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C7 to C30 arylalkyl group, a substituted or unsubstituted C1 to C30 heteroalkyl group, a substituted or unsubstituted C2 to C30 heterocycloalkyl group, a substituted or unsubstituted C2 to C30 heterocyclic group, a substituted or unsubstituted C2 to C30 alkenyl group, a substituted or unsubstituted C2 to C30 alkynyl group, a hydroxy group, a halogen atom, a halogen-containing group, or a combination thereof,
Y is a substituted or unsubstituted C6 to C30 aryl group, or a substituted or unsubstituted C3 to C30 heteroaryl group, and
* is a linking point.

2. The polymer as claimed in claim 1 , wherein Y is a substituted or unsubstituted monovalent group derived from compounds of Group 1:

wherein, in Group 1,
a linking point of each compound to Chemical Formula 1 is not limited.

3. The polymer as claimed in claim 1 , wherein the A 1 and A 2 are a group having a structure that the A 1 and A 2 are independently a single ring or about 2 to 4 fused rings.

4. The polymer as claimed in claim 1 , wherein A 1 and A 2 are independently a substituted or unsubstituted trivalent group derived from one of compounds of Group 2:

wherein, in Group 2,
Z 20 to Z 22 are independently nitrogen (N), CR b , or a combination thereof, wherein R b is hydrogen, a substituted or unsubstituted C1 to C10 alkyl group, a halogen atom, a halogen-containing group, or a combination thereof,
Z 23 and Z 24 are independently C═O, O, S, CR c R d , NR e , or a combination thereof, wherein R c to R e are independently hydrogen, a substituted or unsubstituted C1 to C10 alkyl group, a halogen atom, a halogen-containing group, or a combination thereof, and
a linking point of each compound to Chemical Formula 1 is not limited.

5. The polymer as claimed in claim 1 , wherein B is represented by Chemical Formula 2:

wherein, in Chemical Formula 2,
a and b are independently an integer of 0 to 2, and
L is a substituted or unsubstituted divalent group derived from one of Group 3:

wherein, in Group 3,
M is a substituted or unsubstituted C1 to C5 alkylene group, O, S, SO 2 , or C═O.

6. The polymer as claimed in claim 1 , wherein the polymer has a weight average molecular weight of about 1,000 to about 20,000.

7. The polymer as claimed in claim 1 , wherein X is O, S, Te, or Se.

8. The polymer as claimed in claim 1 , wherein the polymer comprising a structural unit represented by Chemical Formula 1 includes a structural unit represented by one of the following Chemical Formulae 1a to 1e:

9. An organic layer composition, comprising:
a polymer including a structural unit represented by Chemical Formula 1, and
a solvent,

wherein, in Chemical Formula 1,
A 1 and A 2 are independently a substituted or unsubstituted aromatic ring group, or a substituted or unsubstituted heteroaromatic ring group,
B is a divalent organic group,
X is O, S, Te, Se, or NR a , wherein R a is hydrogen, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C3 to C30 cycloalkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C7 to C30 arylalkyl group, a substituted or unsubstituted C1 to C30 heteroalkyl group, a substituted or unsubstituted C2 to C30 heterocycloalkyl group, a substituted or unsubstituted C2 to C30 heterocyclic group, a substituted or unsubstituted C2 to C30 alkenyl group, a substituted or unsubstituted C2 to C30 alkynyl group, a hydroxy group, a halogen atom, a halogen-containing group, or a combination thereof,
Y is a substituted or unsubstituted C6 to C30 aryl group, or a substituted or unsubstituted C3 to C30 heteroaryl group, and
* is a linking point.

10. The organic layer composition as claimed in claim 9 , wherein Y is a substituted or unsubstituted monovalent group derived from compounds of Group 1

wherein, in Group 1,
a linking point of each compound to Chemical Formula 1 is not limited.

11. The organic layer composition as claimed in claim 9 , wherein the A 1 and A 2 are a group having a structure that the A 1 and A 2 are independently a single ring or about 2 to 4 fused rings.

12. The organic layer composition as claimed in claim 9 , wherein A 1 and A 2 are independently a substituted or unsubstituted trivalent group derived from one of compounds of Group 2:

wherein, in Group 2,
Z 20 to Z 22 are independently nitrogen (N), CR b , or a combination thereof, wherein R b is hydrogen, a substituted or unsubstituted C1 to C10 alkyl group, a halogen atom, a halogen-containing group, or a combination thereof,
Z 23 and Z 24 are independently C═O, O, S, CR c R d , NR e , or a combination thereof, wherein R c to R e are independently hydrogen, a substituted or unsubstituted C1 to C10 alkyl group, a halogen atom, a halogen-containing group, or a combination thereof, and
a linking point of each compound to Chemical Formula 1 is not limited.

13. The organic layer composition as claimed in claim 9 , wherein B is represented by Chemical Formula 2:

wherein, in Chemical Formula 2,
a and b are independently an integer of 0 to 2, and
L is a substituted or unsubstituted divalent group derived from one of Group 3:

wherein, in Group 3,
M is a substituted or

Assignees

• Samsung Sdi Co Ltd

Inventors

• Park Youjung
• Yang Sunyoung
• Kwon Hyo Young

Classifications

• C08G2261/334

  containing heteroatoms · CPC title

• C08G61/122 Primary

  derived from five- or six-membered heterocyclic compounds, other than imides · CPC title

• C08G8/24

  with mixtures of two or more phenols which are not covered by only one of the groups C08G8/10 - C08G8/20 · CPC title

• C08G2261/12

  Copolymers · CPC title

• C08G12/26

  with heterocyclic compounds · CPC title