Light-Emitting Diode and Manufacturing Method Thereof, Light-Emitting Device
US-2018233688-A1 · Aug 16, 2018 · US
Organic electroluminescence device, method for manufacturing the same, and display device including the same
US10944069B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10944069-B2 |
| Application number | US-201816167848-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 23, 2018 |
| Priority date | Dec 21, 2017 |
| Publication date | Mar 9, 2021 |
| Grant date | Mar 9, 2021 |
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- Title
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- Abstract
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Abstract
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An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, a light emitting layer on the hole transport region, an electron transport region on the light emitting layer, and a second electrode on the electron transport region. The electron transport region includes an electron transport layer directly on the light emitting layer. The electron transport layer includes a first ternary compound including a halogen element.
First claim
Opening claim text (preview).
What is claimed is: 1. An organic electroluminescence device, comprising: a first electrode; a hole transport region on the first electrode; a light emitting layer on the hole transport region; an electron transport region on the light emitting layer; and a second electrode on the electron transport region, wherein the electron transport region includes an electron transport layer directly on the light emitting layer, and an electron injection layer on the electron transport layer and contacting the second electrode, wherein the electron transport layer includes a first ternary compound including a halogen element, wherein the electron injection layer includes a second ternary compound, wherein the first ternary compound and the second ternary compound are each independently represented by Formula 1 below: X n Y m Z q [Formula 1] in Formula 1, X is an alkali metal, or an alkaline earth metal, Y is a lanthanide metal; Z is the halogen element; and n, m, and q are each independently an integer of 1 to 5, wherein in the first ternary compound, X is an alkaline earth metal. 2. The organic electroluminescence device as claimed in claim 1 , wherein the electron injection layer is directly on the electron transport layer and contacting the second electrode. 3. The organic electroluminescence device as claimed in claim 2 , wherein the first ternary compound and the second ternary compound are the same or different. 4. An organic electroluminescence display device, comprising: a base substrate; a thin film transistor on the base substrate; and an organic electroluminescence device connected to the thin film transistor, wherein the organic electroluminescence device includes: a first electrode; a hole transport region on the first electrode; a light emitting layer on the hole transport region; an electron transport region on the light emitting layer; and a second electrode on the electron transport region, wherein the electron transport region includes an electron transport layer directly on the light emitting layer, and an electron injection layer on the electron transport layer and contacting the second electrode, wherein the electron transport layer includes a first ternary compound including a halogen element, wherein the electron injection layer includes a second ternary compound, wherein the first ternary compound and the second ternary compound are each independently represented by Formula 1 below: X n Y m Z q [Formula 1] in Formula 1, X is an alkali metal, or an alkaline earth metal, Y is a lanthanide metal; Z is the halogen element; and n, m, and q are each independently an integer of 1 to 5, wherein in the first ternary compound, X is an alkaline earth metal. 5. The organic electroluminescence display device as claimed in claim 4 , wherein the electron injection layer is directly on the electron transport layer and contacting the second electrode. 6. The organic electroluminescence display device as claimed in claim 5 , wherein the first ternary compound and the second ternary compound are the same. 7. The organic electroluminescence display device as claimed in claim 5 , wherein the first ternary compound and the second ternary compound are different. 8. The organic electroluminescence device as claimed in claim 1 , wherein the electron transport region is composed of only an inorganic material. 9. The organic electroluminescence display device as claimed in claim 4 , wherein the electron transport region is composed of only an inorganic material.
Assignees
Inventors
Classifications
Electrodes · CPC title
- H10K50/171Primary
Electron injection layers · CPC title
wherein the TFTs are in active matrices · CPC title
characterised by multiple TFTs · CPC title
Metal complexes comprising lanthanides or actinides, e.g. comprising europium · CPC title
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- What does patent US10944069B2 cover?
- An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, a light emitting layer on the hole transport region, an electron transport region on the light emitting layer, and a second electrode on the electron transport region. The electron transport region includes an electron transport layer directly on the light emitting layer. The electr…
- Who is the assignee on this patent?
- Samsung Display Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H10K50/171. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Mar 09 2021 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 6 related publications on this page (citations in our corpus or others sharing the same primary CPC).