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Organic compound and organic electroluminescence device using the same
US11629140B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11629140-B2 |
| Application number | US-201916532515-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 6, 2019 |
| Priority date | Aug 6, 2019 |
| Publication date | Apr 18, 2023 |
| Grant date | Apr 18, 2023 |
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- Title
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- Abstract
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- Assignees and inventors
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- First independent claim
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- CPC / IPC classifications
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Abstract
Official abstract text for this publication.
An organic compound is described. An organic electroluminescence device comprises the organic compound, as a host of an emissive layer, or as a hole blocking layer. The organic compound may increase a half-life or current efficiency of the organic electroluminescence device. The organic compound may lower a driving voltage of the organic electroluminescence device. The mentioned organic compound may have the following formula:The same definition as described in the present invention.
First claim
Opening claim text (preview).
What is claimed is: 1. An organic compound is one of the following compounds: 2. An organic electroluminescence device comprising an anode, a cathode and one or more organic layers formed between the anode and the cathode, wherein at least one of the organic layers comprises the organic compound according to claim 1 . 3. The organic electroluminescence device according to claim 2 , wherein the organic layers comprise an emissive layer having a host, and wherein the organic compound is comprised as the host. 4. The organic electroluminescence device according to claim 2 , wherein the organic layers comprise a hole blocking layer, and wherein the organic compound of claim 1 is comprised as the hole blocking layer. 5. The organic electroluminescence device according to claim 2 , wherein the organic electroluminescence device is a lighting panel. 6. The organic electroluminescence device according to claim 2 , wherein the organic electroluminescence device is a backlight panel.
Assignees
Inventors
Classifications
- C07D265/38Primary
[b, e]-condensed with two six-membered rings · CPC title
comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole · CPC title
containing four rings, e.g. pyrene · CPC title
said ring comprising Si as a ring atom · CPC title
- C07D413/04Primary
directly linked by a ring-member-to-ring-member bond · CPC title
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Frequently asked questions
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- What does patent US11629140B2 cover?
- An organic compound is described. An organic electroluminescence device comprises the organic compound, as a host of an emissive layer, or as a hole blocking layer. The organic compound may increase a half-life or current efficiency of the organic electroluminescence device. The organic compound may lower a driving voltage of the organic electroluminescence device. The mentioned organic compoun…
- Who is the assignee on this patent?
- Yen Feng Wen, Chuang Li Chieh, Luminescence Tech Corp
- What technology area does this patent fall under?
- Primary CPC classification C07D265/38. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Apr 18 2023 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).