Invention Application
- Patent Title: LED WITH SURFACE ROUGHENING
- Patent Title (中): LED表面粗糙度
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Application No.: US13974505Application Date: 2013-08-23
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Publication No.: US20130341663A1Publication Date: 2013-12-26
- Inventor: Steven P. DenBaars , Shuji Nakamura , Max Batres
- Applicant: Cree, Inc.
- Applicant Address: US NC Durham
- Assignee: Cree, Inc.
- Current Assignee: Cree, Inc.
- Current Assignee Address: US NC Durham
- Main IPC: H01L33/42
- IPC: H01L33/42 ; H01L33/40
Abstract:
An LED having a p-type layer of material with an associated p-contact, an n-type layer of material with an associated n-contact and an active region between the p-type layer and the n-type layer, includes a roughened emitting-side surface to further enhance light extraction.
Public/Granted literature
- US08772792B2 LED with surface roughening Public/Granted day:2014-07-08
Information query
IPC分类:
