Display Panel and Method for Manufacturing the Same, Display Device and Tiled Display Device
US-2024405179-A1 · Dec 5, 2024 · US
Light emitting device having an ohmic layer with a plurality of protruding contact portions
US8994058B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8994058-B2 |
| Application number | US-201414167803-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 29, 2014 |
| Priority date | Jan 30, 2013 |
| Publication date | Mar 31, 2015 |
| Grant date | Mar 31, 2015 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
Disclosed is a light emitting device including a conductive substrate, a first electrode layer disposed on the conductive substrate, a light emitting structure disposed on the first electrode layer, the light emitting structure including a first semiconductor layer, a second semiconductor layer, and an active layer disposed between the first semiconductor layer and the second semiconductor layer, and a second electrode layer electrically connected to the second semiconductor layer, wherein the first electrode layer includes a transparent electrode layer disposed between the conductive substrate and the first semiconductor layer, and an ohmic layer comprising a plurality of metal contact portions vertically passing through the transparent electrode layer, wherein each metal contact portion includes AuBe.
First claim
Opening claim text (preview).
What is claimed is: 1. A light emitting device comprising: a conductive substrate; a first electrode layer disposed on the conductive substrate; a light emitting structure disposed on the first electrode layer, the light emitting structure including a first semiconductor layer, a second semiconductor layer, and an active layer disposed between the first semiconductor layer and the second semiconductor layer; and a second electrode layer electrically connected to the second s…
Assignees
Inventors
Classifications
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
- H10H20/832Primary
Electricity · mapped topic
Patent family
Related publications grouped by family.
External sources
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US8994058B2 cover?
- Disclosed is a light emitting device including a conductive substrate, a first electrode layer disposed on the conductive substrate, a light emitting structure disposed on the first electrode layer, the light emitting structure including a first semiconductor layer, a second semiconductor layer, and an active layer disposed between the first semiconductor layer and the second semiconductor laye…
- Who is the assignee on this patent?
- Lg Innotek Co Ltd
- 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 Mar 31 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).