US 12,101,991 B2 · Composition containing organic semiconductor, solution for forming organic semiconductor layer, organic semiconductor layer, and organic thin film transistor

Abstract

Provided are (i) a solution for forming an organic semiconductor layer which solution has excellent coating property, (ii) an organic semiconductor which is produced with use of the solution and which has high heat resistance, (iii) a layer which contains the organic semiconductor, and (iv) an organic thin film transistor which exhibits high electrical properties. A composition containing: an organic semiconductor; and a polymer (1) having at least one unit selected from the group consisting of units represented by formulae (1-a), (1-b) and (1-c) given below. A composition containing the organic semiconductor, the polymer (1) and an organic solvent can be suitably used as a solution for forming an organic semiconductor layer.

Claims6

Dependent claims

A composition comprising:

an organic semiconductor;
and
a polymer (1) having at least one unit selected from the group consisting of units represented by the following formulae (1-a) and (1-c):
where R1 represents an organic group selected from the group consisting of a hydrogen atom, halogen atoms, alkyl groups having 1 to 20 carbon atoms, alkoxy groups having 1 to 20 carbon atoms, aryl groups having 4 to 20 carbon atoms, alkenyl groups having 2 to 20 carbon atoms, alkynyl groups having 2 to 20 carbon atoms, and cycloalkyl groups having 3 to 20 carbon atoms.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

17/415,438Filed 19 Dec 2019

Priority

JP 2018-23817520 Dec 2018

Published

US 2022/0059768 A124 Feb 2022

Granted

24 Sep 2024

Term ends

Not estimatedThe source records don’t support an estimate.

Classification18 codes

C08F 122/40
Amides or imides: imides, e.g. cyclic imides
H10K 85/111
Organic polymers or oligomers: comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
C08F 22/40
Amides or imides: imides, e.g. cyclic imides
C08K 5/45
Sulfur-, selenium-, or tellurium-containing compounds: heterocyclic compounds having sulfur in the ring

Composition containing organic semiconductor, solution for forming organic semiconductor layer, organic semiconductor layer, and organic thin film transistor

Life of this patent

Composition containing organic semiconductor, solution for forming organic semiconductor layer, organic semiconductor layer, and organic thin film transistor

Life of this patent

Abstract

Claims6