US Patent 7953134 Semiconductor light-emitting device
Patent 7953134 was granted and assigned to Epistar on May, 2011 by the United States Patent and Trademark Office.
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Patent abstract
A semiconductor light-emitting device includes a substrate, a first cladding layer over the substrate, an active region on the first cladding layer, and a second cladding layer on the active region, wherein the active region includes a first type barrier layer that is doped and a second type barrier layer that is undoped, the first type barrier layer being closer to the first cladding layer than the second type barrier layer.
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US Patent 07953134 Semiconductor light-emitting device US Patent 7953134 Semiconductor light-emitting device
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Patent Number
0795313400
Patent Number
795313400
Edits on 22 Apr, 2023
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
079531340
Date of Patent
May 31, 2011
0Patent Application Number
123473920
Date Filed
December 31, 2008
0Patent Primary Examiner
Edits on 28 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
079531340
Date of Patent
May 31, 2011
0Patent Application Number
123473920
Date Filed
December 31, 2008
0Patent Primary Examiner
Edits on 7 Dec, 2021
Golden AI
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Infobox (+8 properties)
US Patent 07953134 Semiconductor light-emitting device
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07953134
Date of patent
May 31, 2011
Patent application number
12347392
Date Filed
December 31, 2008
Patent primary examiner
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