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US-12122948-B2 · Oct 22, 2024 · US
Light-emitting element, light-emitting device, and lighting device
US9083000B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9083000-B2 |
| Application number | US-201213456477-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 26, 2012 |
| Priority date | Apr 29, 2011 |
| Publication date | Jul 14, 2015 |
| Grant date | Jul 14, 2015 |
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- Title
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Abstract
Official abstract text for this publication.
Disclosed is a light-emitting element with a microcavity structure which is capable of amplifying a plurality of wavelengths to give emission of a desired color. The light-emitting element includes a pair of electrodes and an EL layer having a light-emitting substance interposed between the pair of electrodes. One of the pair of electrodes gives a reflective surface and the other electrode gives a semi-reflective surface. The light-emitting element is arranged so that the emission of the light-emitting substance covers at least two wavelengths λ and an optical path length L between the reflective surface and the semi-reflective surface satisfies an equation L=nλ/2 where n is an integer greater than or equal to 2.
First claim
Opening claim text (preview).
What is claimed is: 1. A light-emitting element comprising: a reflective anode which is electrically conductive; an EL layer over the reflective anode; and a semi-reflective cathode over the EL layer, the semi-reflective cathode being electrically conductive; wherein the EL layer comprises: a thickness adjustment layer in direct contact with the reflective anode, the thickness adjustment layer comprising a conductive metal oxide; a layer over and in direct contact with th…
Assignees
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Classifications
Chemistry & Metallurgy · mapped topic
Electricity · mapped topic
- C09K11/025Primary
Chemistry & Metallurgy · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US9083000B2 cover?
- Disclosed is a light-emitting element with a microcavity structure which is capable of amplifying a plurality of wavelengths to give emission of a desired color. The light-emitting element includes a pair of electrodes and an EL layer having a light-emitting substance interposed between the pair of electrodes. One of the pair of electrodes gives a reflective surface and the other electrode give…
- Who is the assignee on this patent?
- Ohsawa Nobuharu, Sasaki Toshiki, Seo Satoshi, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification C09K11/025. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jul 14 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).