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Bicarbazole derivative, preparation process and use thereof, and organic luminescent device
US10050213B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10050213-B2 |
| Application number | US-201414415005-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 30, 2014 |
| Priority date | Dec 10, 2013 |
| Publication date | Aug 14, 2018 |
| Grant date | Aug 14, 2018 |
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- Title
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- Abstract
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Abstract
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The invention provides a bicarbazole derivative represented by formula (I), wherein A is a group represented by formula (II), and wherein X, Y and Z represent a carbon atom or a nitrogen atom, and at least one of X, Y and Z represent a nitrogen atom. The invention further provides a process for preparing the compound. The invention further provides an organic electroluminescent device comprising the compound. This compound can be used as a phosphorescence host material, a hole-injecting material or a hole-transporting material in an organic electroluminescent device.
First claim
Opening claim text (preview).
What is claimed is: 1. A light emitting layer comprising: a bicarbazole derivative represented by the following molecular structure as a phosphorescent host material: a compound of the following formula b as a doping material: 2. An organic electroluminescent device, comprising a first electrode, a second electrode and one or more organic compound layer(s) provided between the first electrode and the second electrode, wherein at least one organic compound layer comprises at least one bicarbazole derivative according to claim 1 , and the compound of the formula b as a doping material according to claim 1 . 3. The organic electroluminescent device according to claim 2 , wherein the bicarbazole derivative is a phosphorescence host material. 4. The organic electroluminescent device according to claim 3 , wherein the bicarbazole derivative is a green phosphorescence host material. 5. The organic electroluminescent device according to claim 2 , wherein the bicarbazole derivative is a hole-injecting material. 6. The organic electroluminescent device according to claim 2 , wherein the bicarbazole derivative is a hole-transporting material.
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Classifications
characterised by the chemical or physical composition or the arrangement of the material in which the electroluminescent material is embedded · CPC title
- C07D403/14Primary
containing three or more hetero rings · CPC title
- C07D401/14Primary
containing three or more hetero rings · CPC title
containing one nitrogen atom as the heteroatom · CPC title
containing three nitrogen atoms as heteroatoms · CPC title
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- What does patent US10050213B2 cover?
- The invention provides a bicarbazole derivative represented by formula (I), wherein A is a group represented by formula (II), and wherein X, Y and Z represent a carbon atom or a nitrogen atom, and at least one of X, Y and Z represent a nitrogen atom. The invention further provides a process for preparing the compound. The invention further provides an organic electroluminescent device comprisin…
- Who is the assignee on this patent?
- Boe Technology Group Co Ltd, Jilin Oled Mat Tech Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification C07D403/14. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Aug 14 2018 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).