Arylamine compounds and their uses

JP7871865B2Active Publication Date: 2026-06-09NISSAN CHEM CORP
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
NISSAN CHEM CORP
Filing Date
2024-12-23
Publication Date
2026-06-09

AI Technical Summary

Benefits of technology

【0011】 本発明のアリールアミン化合物は、有機溶媒への溶解性が良好であり、このアリールアミン化合物を含む電荷輸送性ワニスを用いることで、高透明性、かつ、高屈折率な電荷輸送性薄膜を得ることができる。 この電荷輸送性薄膜は、有機EL素子をはじめとした電子素子用薄膜として、特に、上層にウェットプロセスで薄膜が積層される電子素子用薄膜として好適に用いることができ、本発明の電荷輸送性薄膜を有機EL素子の正孔注入層等に適用することで、良好な特性を有する素子を作製することができる。

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Abstract

To provide arylamine compounds that have good solubility in organic solvents, provide a varnish having good storage stability and a thin film having good optical properties, and enable the realization of an organic EL element having good properties when the thin film is applied to a hole injection layer or the like.SOLUTION: Provided is an arylamine compound represented, for example, by the following formula B2d.SELECTED DRAWING: None
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Claims

1. An arylamine compound characterized by being represented by the following formula (3). 【Chemistry 1】 [In the formula, Ar c This represents the same group, and is represented by formula (Q). 【Chemistry 2】 [In the formula, R 1 Each of these independently represents a hydrogen atom, a halogen atom, a nitro group, a cyano group, a C1-C20 alkyl group, a C1-C20 halogenated alkyl group, a C1-C20 alkoxy group, or a C6-C20 aryl group, R 2 Each of these independently represents an aryl group represented by one of the following formulas: 【Transformation 3】 Ar s This represents an arylene group represented by any of the following formulas: (101A-1), (101B-1), (101C-1), (105A-1), (107A-1), (107A-2), (107A-3), (107A-4), and (107A-5). 【Chemistry 4】 (In the formula, R 4 Each of these independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, or an alkyl halogenated group having 1 to 20 carbon atoms, and R 5 (This represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, or an aryl group having 6 to 20 carbon atoms.) Y represents a phenylene group, Each 'g' independently represents an integer between 1 and 10.

2. The aforementioned R 1 However, the arylamine compound according to claim 1 is a hydrogen atom.

3. A charge-transporting varnish comprising the arylamine compound according to claim 1 or 2 and an organic solvent.

4. The charge-transporting varnish according to claim 3, comprising a dopant substance.

5. A charge-transporting thin film prepared using the charge-transporting varnish described in claim 3 or 4.

6. An electronic device comprising a charge-transporting thin film according to claim 5.

7. The electronic device according to claim 6, wherein the charge-transporting thin film is a hole injection layer.

8. The electronic element according to claim 7, which is an organic EL element.