TWI372471B - Led with current confinement structure and surface roughening - Google Patents

Led with current confinement structure and surface roughening

Info

Publication number
TWI372471B
TWI372471B TW094131846A TW94131846A TWI372471B TW I372471 B TWI372471 B TW I372471B TW 094131846 A TW094131846 A TW 094131846A TW 94131846 A TW94131846 A TW 94131846A TW I372471 B TWI372471 B TW I372471B
Authority
TW
Taiwan
Prior art keywords
led
current confinement
confinement structure
layer
surface roughening
Prior art date
Application number
TW094131846A
Other languages
English (en)
Other versions
TW200627673A (en
Inventor
Steven P Denbaars
Shuji Nakamura
Max Batres
Original Assignee
Cree Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cree Inc filed Critical Cree Inc
Publication of TW200627673A publication Critical patent/TW200627673A/zh
Application granted granted Critical
Publication of TWI372471B publication Critical patent/TWI372471B/zh

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/36—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
    • H01L33/40—Materials therefor
    • H01L33/42—Transparent materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
    • H01L33/14—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a carrier transport control structure, e.g. highly-doped semiconductor layer or current-blocking structure
    • H01L33/145—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a carrier transport control structure, e.g. highly-doped semiconductor layer or current-blocking structure with a current-blocking structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
    • H01L33/20—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
    • H01L33/22—Roughened surfaces, e.g. at the interface between epitaxial layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/36—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
    • H01L33/40—Materials therefor
    • H01L33/405—Reflective materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Led Devices (AREA)
TW094131846A 2005-01-24 2005-09-15 Led with current confinement structure and surface roughening TWI372471B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/042,030 US7335920B2 (en) 2005-01-24 2005-01-24 LED with current confinement structure and surface roughening

Publications (2)

Publication Number Publication Date
TW200627673A TW200627673A (en) 2006-08-01
TWI372471B true TWI372471B (en) 2012-09-11

Family

ID=36228795

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094131846A TWI372471B (en) 2005-01-24 2005-09-15 Led with current confinement structure and surface roughening

Country Status (7)

Country Link
US (5) US7335920B2 (zh)
EP (2) EP2267803B1 (zh)
JP (3) JP2008529271A (zh)
CN (1) CN101107720A (zh)
AT (1) ATE524838T1 (zh)
TW (1) TWI372471B (zh)
WO (1) WO2006080958A1 (zh)

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ATE524838T1 (de) 2011-09-15
US8772792B2 (en) 2014-07-08
JP2011160006A (ja) 2011-08-18
US20130341663A1 (en) 2013-12-26
JP5887068B2 (ja) 2016-03-16
US8410490B2 (en) 2013-04-02
EP2267803A3 (en) 2011-02-23
JP5887069B2 (ja) 2016-03-16
EP2267803A2 (en) 2010-12-29
TW200627673A (en) 2006-08-01
US20100032704A1 (en) 2010-02-11

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