Carbazole compound, material for organic electroluminescence device and organic electroluminescence device
US-9203036-B2 · Dec 1, 2015 · US
Organic electroluminescent device having specific diamine compound
US8980441B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8980441-B2 |
| Application number | US-64430309-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 22, 2009 |
| Priority date | Dec 22, 2008 |
| Publication date | Mar 17, 2015 |
| Grant date | Mar 17, 2015 |
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Abstract
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An organic electroluminescent device is provided and includes: a cathode; an anode; and a light-emitting layer between the cathode and the anode. The light-emitting layer includes a compound represented by formula (1). In formula (1), L represents a linking group; A 1 , A 2 , A 3 , A 4 , A 5 , A 6 , A 7 , A 8 , A 9 , and A 10 each independently represent a carbon atom or a nitrogen atom, provided that at least two of A 1 , A 5 , A 6 , and A 10 each represent a carbon atom having R′; R′ represents a substituent having a carbon atom at a bonding position thereof; a plurality of Rs each independently represent a substituent; m represents an integer; and n represents an integer of 2 to 10.
First claim
Opening claim text (preview).
What is claimed is: 1. An organic electroluminescent device comprising: a cathode; an anode; and a light-emitting layer between the cathode and the anode, the light-emitting layer including a compound represented by formula (3): wherein A 18 ,A 19 ,A 20 ,A 21 ,A 22 ,A 23 ,A 24 ,A 25 ,A 26 ,A 27 ,A 28 ,A 29 ,A 30 ,A 31 ,A 32 , A 33 ,A 34 ,A 35 , A 36 ,A 37 , A 38 , A 39 ,…
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Electricity · mapped topic
Cross-Sectional Technologies · mapped topic
Electricity · mapped topic
Electricity · mapped topic
- H01L51/0059Primary
Electricity · mapped topic
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- What does patent US8980441B2 cover?
- An organic electroluminescent device is provided and includes: a cathode; an anode; and a light-emitting layer between the cathode and the anode. The light-emitting layer includes a compound represented by formula (1). In formula (1), L represents a linking group; A 1 , A 2 , A 3 , A 4 , A 5 , A 6 , A 7 , A 8 , A 9 , and A 10 each independently represent a carbon ato…
- Who is the assignee on this patent?
- Kitamura Tetsu, Udc Ireland Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01L51/0059. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Mar 17 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).