Organic light emitting diode, organic light emitting display panel including the organic light emitting diode and method of manufacturing the organic light emitting display panel
US-9224970-B2 · Dec 29, 2015 · US
Organic electroluminescence device and display unit
US9224971B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9224971-B2 |
| Application number | US-94998910-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 19, 2010 |
| Priority date | Dec 2, 2009 |
| Publication date | Dec 29, 2015 |
| Grant date | Dec 29, 2015 |
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Abstract
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An organic electroluminescence device having high light emitting efficiency and improved reliability is provided. The organic electroluminescence device includes: an anode containing at least aluminum (Al); a cathode; and an organic layer between the anode and the cathode, the organic layer including a light emitting layer. The organic layer has a hole injection layer composed of a sulfonic acid derivative between the anode and the light emitting layer.
First claim
Opening claim text (preview).
What is claimed is: 1. An organic electroluminescence device comprising: an anode containing at least aluminum; a cathode; and an organic layer between the anode and the cathode, the organic layer including a light emitting layer; wherein, the organic layer has a hole injection layer between the anode and the light emitting layer, and the hole injection layer comprises a sulfonic acid derivative with at least a compound expressed in Formula 1:…
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Classifications
Electricity · mapped topic
- H01L51/5088Primary
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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- What does patent US9224971B2 cover?
- An organic electroluminescence device having high light emitting efficiency and improved reliability is provided. The organic electroluminescence device includes: an anode containing at least aluminum (Al); a cathode; and an organic layer between the anode and the cathode, the organic layer including a light emitting layer. The organic layer has a hole injection layer composed of a sulfonic aci…
- Who is the assignee on this patent?
- Nakamura Akifumi, Ujiie Yasuharu, Kijima Yasunori, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification H01L51/5088. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Dec 29 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).