Organic light-emitting display apparatus and method of manufacturing the same
US-2016308162-A1 · Oct 20, 2016 · US
Organic light emitting diode display
US2016155979A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016155979-A1 |
| Application number | US-201514877955-A |
| Country | US |
| Kind code | A1 |
| Filing date | Oct 8, 2015 |
| Priority date | Nov 28, 2014 |
| Publication date | Jun 2, 2016 |
| Grant date | — |
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- Title
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Abstract
Official abstract text for this publication.
An organic light emitting diode display, including a substrate; a thin film transistor on the substrate; a first electrode on the thin film transistor and electrically connected to the thin film transistor; an organic emission layer on the first electrode; a second electrode on the organic emission layer; and a first capping layer on the second electrode and a second capping layer on the first capping layer, the second capping layer being thicker than the first capping layer.
First claim
Opening claim text (preview).
What is claimed is: 1 . An organic light emitting diode display, comprising: a substrate; a thin film transistor on the substrate; a first electrode on the thin film transistor and electrically connected to the thin film transistor; an organic emission layer on the first electrode; a second electrode on the organic emission layer; and a first capping layer on the second electrode and a second capping layer on the first capping layer, the second capping layer being thicker than the first capping layer. 2 . The organic light emitting diode display as claimed in claim 1 , wherein: the first capping layer includes an organic layer with a thickness of 200-1,000 Å, and the second capping layer includes the organic layer with a thickness of 4,000-10,000 Å. 3 . The organic light emitting diode display as claimed in claim 2 , wherein: the first capping layer has a thickness of 400-500 Å, and the second capping layer has a thickness of 4,500-6,500 Å. 4 . The organic light emitting diode display as claimed in claim 2 , wherein: the first capping layer has a refractive index of 1-1.4, and the second capping layer has a refractive index of 1.5-2.5. 5 . The organic light emitting diode display as claimed in claim 4 , wherein: the first capping layer has a refractive index of 1.2-1.3, and the second capping layer has a refractive index of 1.8-2.0. 6 . The organic light emitting diode display as claimed in claim 2 , wherein the organic emission layer includes: a hole injection layer and a hole transferring layer on the first electrode, an emission layer on the hole transferring layer, and an electron transferring layer and an electron injection layer on the emission layer. 7 . The organic light emitting diode display as claimed in claim 6 , wherein: the first electrode is an anode, and the second electrode is a cathode. 8 . The organic light emitting diode display as claimed in claim 1 , further comprising a third capping layer formed between the first capping layer and the second capping layer. 9 . The organic light emitting diode display as claimed in claim 8 , wherein the second capping layer is thicker than the third capping layer. 10 . The organic light emitting diode display as claimed in claim 9 , wherein the thickness of the second capping layer is larger than a sum of the thickness of the first capping layer and the third capping layer. 11 . The organic light emitting diode display as claimed in claim 10 , wherein: the first capping layer has a thickness of 200-1,000 Å, the second capping layer has a thickness of 4,000-10,000 Å, and the third capping layer has a thickness of 500-1,500 Å. 12 . The organic light emitting diode display as claimed in claim 11 , wherein: the first capping layer has a thickness of 400-500 Å, the second capping layer has a thickness of 4,500-6,500 Å, and the third capping layer has a thickness of 1,000-1,300 Å. 13 . The organic light emitting diode display as claimed in claim 11 , wherein: a refractive index of the first capping layer and the second capping layer is 1.5-2.5, and a refractive index of third capping layer is 1-1.4. 14 . The organic light emitting diode display as claimed in claim 13 , wherein: the refractive index of the first capping layer and the second capping layer is 1.8-2.0, and the refractive index of the third capping layer is 1.2-1.3. 15 . The organic light emitting diode display as claimed in claim 11 , wherein the organic emission layer includes: a hole injection layer and a hole transferring layer on the first electrode, an emission layer on the hole transferring layer, and an electron transferring layer and an electron injection layer on the emission layer. 16 . The organic light emitting diode display as claimed in claim 15 , wherein: the first electrode is an anode, and the second electrode is a cathode.
Assignees
Inventors
Classifications
comprising refractive means, e.g. lenses · CPC title
- H10K59/8731Primary
multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers · CPC title
Arrangements for improving contrast, e.g. preventing reflection of ambient light · CPC title
- H10K59/878Primary
comprising reflective means · CPC title
Electricity · mapped topic
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Frequently asked questions
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- What does patent US2016155979A1 cover?
- An organic light emitting diode display, including a substrate; a thin film transistor on the substrate; a first electrode on the thin film transistor and electrically connected to the thin film transistor; an organic emission layer on the first electrode; a second electrode on the organic emission layer; and a first capping layer on the second electrode and a second capping layer on the first …
- Who is the assignee on this patent?
- Samsung Display Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H10K59/8731. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Jun 02 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). 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).