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Organic light-emitting device with nano-structured light extraction layer and method of manufacturing the same
US9196868B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9196868-B2 |
| Application number | US-201214001992-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 28, 2012 |
| Priority date | Mar 1, 2011 |
| Publication date | Nov 24, 2015 |
| Grant date | Nov 24, 2015 |
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Abstract
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An organic light-emitting device is provided comprising a stack of layers including —an electro-optical layer structure ( 10 ) having a light emissive surface ( 12 ), —a light extraction structure ( 20 ) adjacent the light emissive surface, the light extraction structure has a nanostructured layer ( 22 ); and a backfill layer ( 24 ) comprising a material having a second index of refraction different from the first index of refraction, wherein the backfill layer ( 24 ) forms a planarizing layer over the nanostructured layer ( 22 ). The light emitting device includes a barrier film that comprises a first and a second inorganic layer ( 22, 26 ) and an organic layer ( 24 ) arranged between said inorganic layers. The one ( 22 ) of the inorganic layers of the barrier film closest to the electro-optical layer structure forms the nanostructured layer and the organic layer ( 24 ) between the inorganic layers forms the backfill layer.
First claim
Opening claim text (preview).
The invention claimed is: 1. Method for manufacturing an organic light-emitting device, said method comprising the steps of forming a stack of layers by providing a temporary substrate (TS) having a main surface, providing a nanopatterned structure at said main surface, applying with a conformal deposition method a layer ( 22 ) of a first inorganic material at said main surface of the temporary substrate having the nanopatterned relief, applying a first organic layer ( 24 )…
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Electricity · mapped topic
Electricity · mapped topic
- B82Y20/00Primary
Operations & Transport · mapped topic
Electricity · mapped topic
- H01L51/5262Primary
Electricity · mapped topic
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- What does patent US9196868B2 cover?
- An organic light-emitting device is provided comprising a stack of layers including —an electro-optical layer structure ( 10 ) having a light emissive surface ( 12 ), —a light extraction structure ( 20 ) adjacent the light emissive surface, the light extraction structure has a nanostructured layer ( 22 ); and a backfill layer ( 24 ) comprising a material having a second index of refraction diff…
- Who is the assignee on this patent?
- Young Edward Willem Albert, Fan Chia-Chen, TNO
- What technology area does this patent fall under?
- Primary CPC classification B82Y20/00. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Nov 24 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).