Light emitting device, super-luminescent diode, and projector

US9172003B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9172003-B2
Application numberUS-201514591527-A
CountryUS
Kind codeB2
Filing dateJan 7, 2015
Priority dateMay 9, 2012
Publication dateOct 27, 2015
Grant dateOct 27, 2015

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  5. First independent claim

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Abstract

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A light emitting device includes a substrate, a laminated body formed by stacking a first cladding layer, a first active layer, a second cladding layer, a third cladding layer, a second active layer, and a fourth cladding layer on the substrate in this order, a first electrode connected to the first cladding layer, a second electrode connected to the second cladding layer and the third cladding layer, and a third electrode connected to the fourth cladding layer, the first active layer generates first light using the first electrode and the second electrode, the second active layer generates second light using the second electrode and the third electrode, and a side surface of the first active layer is provided with an emitting section for emitting the first light, and a side surface of the second active layer is provided with an emitting section for emitting the second light.

First claim

Opening claim text (preview).

What is claimed is: 1. A light emitting device comprising: a substrate; a laminated body formed by stacking a first cladding layer, a first active layer, a second cladding layer, a third cladding layer, a second active layer, and a fourth cladding layer on the substrate in this order; at least one first electrode electrically connected to the first cladding layer; a second electrode electrically connected to the second cladding layer and the third cladding layer; and a thi…

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What does patent US9172003B2 cover?
A light emitting device includes a substrate, a laminated body formed by stacking a first cladding layer, a first active layer, a second cladding layer, a third cladding layer, a second active layer, and a fourth cladding layer on the substrate in this order, a first electrode connected to the first cladding layer, a second electrode connected to the second cladding layer and the third cladding…
Who is the assignee on this patent?
Seiko Epson Corp
What technology area does this patent fall under?
Primary CPC classification H10H20/831. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Oct 27 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 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).