Carbazole compound, material for organic electroluminescence device and organic electroluminescence device
US-9203036-B2 · Dec 1, 2015 · US
Organic electroluminescent device
US8941297B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8941297-B2 |
| Application number | US-201113697030-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 13, 2011 |
| Priority date | May 11, 2010 |
| Publication date | Jan 27, 2015 |
| Grant date | Jan 27, 2015 |
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Abstract
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The present invention relates to white-emitting organic electroluminescent devices which have a fluorescent emitter layer and a phosphorescent emitter layer.
First claim
Opening claim text (preview).
The invention claimed is: 1. An organic electroluminescent device comprising anode, cathode, and two emitting layers, wherein one emitting layer comprises a phosphorescent compound and the other emitting layer comprises a fluorescent compound, and wherein at least one non-emitting interlayer is present between the two emitting layers, and wherein the phosphorescent compound is doped into a mixture of at least two matrix materials. 2. The organic electroluminesce…
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Electricity · mapped topic
- H01L51/5016Primary
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US8941297B2 cover?
- The present invention relates to white-emitting organic electroluminescent devices which have a fluorescent emitter layer and a phosphorescent emitter layer.
- Who is the assignee on this patent?
- Kaiser Joachim, Vestweber Horst, Leu Simone, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification H01L51/5016. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Jan 27 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).