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Photodetector having a built-in means for concentrating visible radiation and corresponding array
US9349972B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9349972-B2 |
| Application number | US-201314409682-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 21, 2013 |
| Priority date | Jun 21, 2012 |
| Publication date | May 24, 2016 |
| Grant date | May 24, 2016 |
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Abstract
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An organic photodetector comprising a first electrode ( 11 to 31 ) that is plane and formed on a substrate ( 10 to 30 ) that is plane, a convex active layer ( 12 to 32 ) formed on the first electrode, and a second electrode ( 13 to 33 ) formed on the active layer, means for concentrating light radiation in the active layer being incorporated in the photodetector.
First claim
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The invention claimed is: 1. An organic photodetector comprising a first electrode that is plane and formed on a substrate that is plane, a convex active layer formed on the first electrode, and a second electrode formed on the convex active layer, a lens or mirror for concentrating light radiation in the convex active layer being incorporated in the photodetector. 2. An organic photodetector according to claim 1 , wherein the convex active layer is deposited on the first electrode and coats the first electrode, while the second electrode is convex. 3. An organic photodetector according to claim 2 , wherein the first electrode and the substrate are transparent, and the second electrode is reflective. 4. An organic photodetector according to claim 2 , wherein the first electrode is made of metal and the second electrode is transparent. 5. An organic photodetector according to claim 1 , wherein the substrate is transparent, the first electrode is indented to form a convex cavity, and the convex active layer is deposited in the convex cavity. 6. An organic photodetector comprising a first electrode formed on a plane substrate, a convex active layer formed on the first electrode, and a second electrode formed on the convex active layer, a lens or mirror for concentrating light radiation in the convex active layer being incorporated in the organic photodetector, wherein the substrate is transparent and indented in order to form a convex cavity, the first electrode is convex and consists in a layer deposited in said convex cavity, and the convex active layer is deposited in the convex cavity on the first electrode. 7. An organic photodetector according to claim 5 , wherein the second electrode is plane. 8. An organic photodetector according to claim 5 , wherein electrical insulation is provided between the first and second electrodes. 9. An array comprising a plurality of organic photodetectors according to claim 1 . 10. An array according to claim 9 , wherein each organic photodetector includes an active layer formed in a cavity of the first electrode or of the substrate, and wherein the first electrode is common to all of the organic photodetectors. 11. An array according to claim 9 , wherein each organic photodetector comprises an active layer in a cavity formed in the substrate, with each of the organic photodetectors being electrically insulated from one another.
Assignees
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Classifications
Organic PV cells · CPC title
Electricity · mapped topic
Electricity · mapped topic
Cross-Sectional Technologies · mapped topic
- H01L51/442Primary
Electricity · mapped topic
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- What does patent US9349972B2 cover?
- An organic photodetector comprising a first electrode ( 11 to 31 ) that is plane and formed on a substrate ( 10 to 30 ) that is plane, a convex active layer ( 12 to 32 ) formed on the first electrode, and a second electrode ( 13 to 33 ) formed on the active layer, means for concentrating light radiation in the active layer being incorporated in the photodetector.
- Who is the assignee on this patent?
- Commissariat Energie Atomique, Isorg
- What technology area does this patent fall under?
- Primary CPC classification H01L51/442. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue May 24 2016 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).