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Compound having an indolocarbazole ring structure and organic electroluminescent device
US9564600B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9564600-B2 |
| Application number | US-201214000406-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 14, 2012 |
| Priority date | Feb 22, 2011 |
| Publication date | Feb 7, 2017 |
| Grant date | Feb 7, 2017 |
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Abstract
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A compound having an indolocarbazole ring structure is represented by the following general formula (1), and is used as a material for forming a highly efficient and highly durable organic electroluminescent device. The compound features excellent hole injection/transport capability, has electron blocking power and is highly stable in the form of a thin film. wherein, A is a divalent aromatic hydrocarbon group or aromatic heterocyclic group, Ar 1 to Ar 4 are monovalent aromatic hydrocarbon groups or aromatic heterocyclic groups, and R 1 to R 9 are hydrogen atoms, deuterium atoms, fluorine atoms, chlorine atoms, cyano groups, nitro groups, alkyl groups, cycloalkyl groups, alkenyl groups, alkyloxy groups, cycloalkyloxy groups, aromatic hydrocarbon groups, aromatic heterocyclic groups or aryloxy groups.
First claim
Opening claim text (preview).
The invention claimed is: 1. A compound having an indolocarbazole ring structure of the following formula (1), wherein, A is a phenylene group, A and Ar 4 are bonded together to form a ring, Ar 1 , Ar 2 and Ar 3 are phenyl groups, R 1 to R 8 are, respectively, hydrogen atoms or deuterium atoms, and R 9 is a hydrogen atom,…
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Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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- What does patent US9564600B2 cover?
- A compound having an indolocarbazole ring structure is represented by the following general formula (1), and is used as a material for forming a highly efficient and highly durable organic electroluminescent device. The compound features excellent hole injection/transport capability, has electron blocking power and is highly stable in the form of a thin film. …
- Who is the assignee on this patent?
- Yokoyama Norimasa, Nagaoka Makoto, Izumi Sawa, and 3 more
- What technology area does this patent fall under?
- Primary CPC classification C07D487/04. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Feb 07 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).