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Layered conductive phosphor electrode for vertical LED and method for forming same
US9397265B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9397265-B2 |
| Application number | US-201414245471-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 4, 2014 |
| Priority date | Apr 15, 2013 |
| Publication date | Jul 19, 2016 |
| Grant date | Jul 19, 2016 |
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Abstract
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In a method for forming a phosphor-converted LED, an array of vertical LEDs is printed over a conductive surface of a substrate such that a bottom electrode of the LEDs ohmically contacts the conductive surface. A dielectric layer then formed over the conductive surface. An electrically conductive phosphor layer is deposited over the dielectric layer and the LEDs to ohmically contact the top surface of the LEDs and connect the LEDs in parallel. The conductive phosphor layer is formed by phosphor particles intermixed with a transparent conductor material. One or more metal contacts over the conductive phosphor layer conduct current through the conductive phosphor layer and the LEDs to illuminate the LEDs. A portion of light generated by the LED leaks through the conductive phosphor layer, and the combination of the LED light and phosphor light creates a composite light.
First claim
Opening claim text (preview).
What is claimed is: 1. A method for forming a light generating device comprising: providing a vertical light emitting diode (LED) having a first LED surface and an opposing second LED surface; and alternating the deposition of phosphor particle layers and transparent conductor material layers over the first surface of the LED, such that gaps between the phosphor particles in a phosphor particle layer allow the transparent conductor material in an overlying transparent conductor…
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Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US9397265B2 cover?
- In a method for forming a phosphor-converted LED, an array of vertical LEDs is printed over a conductive surface of a substrate such that a bottom electrode of the LEDs ohmically contacts the conductive surface. A dielectric layer then formed over the conductive surface. An electrically conductive phosphor layer is deposited over the dielectric layer and the LEDs to ohmically contact the top su…
- Who is the assignee on this patent?
- Nthdegree Tech Worldwide Inc
- What technology area does this patent fall under?
- Primary CPC classification H10H20/832. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Jul 19 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).