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US-12171741-B2 · Dec 24, 2024 · US
Heterocyclic host materials
US8969592B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8969592-B2 |
| Application number | US-201213347305-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 10, 2012 |
| Priority date | Jan 10, 2012 |
| Publication date | Mar 3, 2015 |
| Grant date | Mar 3, 2015 |
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Abstract
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Novel heterocyclic materials are disclosed. The materials contain a fused tetracyclic structure that can improve the properties of OLED devices when the novel heterocyclic materials are incorporated into such devices.
First claim
Opening claim text (preview).
The invention claimed is: 1. A compound having the formula: wherein Q 1 to Q 8 are independently selected from CH and N, and wherein Q 1 to Q 8 may be further substituted; wherein X and Y are independently selected from the group consisting of O, S, and Se; wherein R 8 represents mono, di, tri, or tetra substitution; wherein R 9 represents mo…
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Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
- C07D495/04Primary
Chemistry & Metallurgy · mapped topic
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Frequently asked questions
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- What does patent US8969592B2 cover?
- Novel heterocyclic materials are disclosed. The materials contain a fused tetracyclic structure that can improve the properties of OLED devices when the novel heterocyclic materials are incorporated into such devices.
- Who is the assignee on this patent?
- Ma Bin, Universal Display Corp
- What technology area does this patent fall under?
- Primary CPC classification C07D495/04. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Mar 03 2015 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).