WO2007056354A3 - High light extraction efficiency light emitting diode (led) - Google Patents

High light extraction efficiency light emitting diode (led) Download PDF

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Publication number
WO2007056354A3
WO2007056354A3 PCT/US2006/043317 US2006043317W WO2007056354A3 WO 2007056354 A3 WO2007056354 A3 WO 2007056354A3 US 2006043317 W US2006043317 W US 2006043317W WO 2007056354 A3 WO2007056354 A3 WO 2007056354A3
Authority
WO
WIPO (PCT)
Prior art keywords
led
emitting diode
light emitting
extraction efficiency
light extraction
Prior art date
Application number
PCT/US2006/043317
Other languages
French (fr)
Other versions
WO2007056354A8 (en
WO2007056354A2 (en
Inventor
Steven P Denbaars
Shuji Nakamura
Hisashi Masui
Natalie N Fellows
Akihiko Murai
Original Assignee
Univ California
Steven P Denbaars
Shuji Nakamura
Hisashi Masui
Natalie N Fellows
Akihiko Murai
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 Univ California, Steven P Denbaars, Shuji Nakamura, Hisashi Masui, Natalie N Fellows, Akihiko Murai filed Critical Univ California
Priority to EP06837048A priority Critical patent/EP1949463A4/en
Priority to JP2008539119A priority patent/JP2009515344A/en
Publication of WO2007056354A2 publication Critical patent/WO2007056354A2/en
Publication of WO2007056354A8 publication Critical patent/WO2007056354A8/en
Publication of WO2007056354A3 publication Critical patent/WO2007056354A3/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 body packages
    • H01L33/58—Optical field-shaping elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/005—Processes
    • H01L33/0062—Processes for devices with an active region comprising only III-V compounds
    • H01L33/0066—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound
    • H01L33/007—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound comprising nitride compounds
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
    • H01L33/26—Materials of the light emitting region
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 body packages
    • H01L33/58—Optical field-shaping elements
    • H01L33/60—Reflective elements

Abstract

Ail (Al, Ga, In)N and ZnO direct wafer bonded light emitting diode (LED) combined with a shaped plastic optical element, in which the directional light from the ZnO cone, or from any high refractive index material in contact with the LED surface, entering the shaped plastic optical element is extracted to air.
PCT/US2006/043317 2005-11-04 2006-11-06 High light extraction efficiency light emitting diode (led) WO2007056354A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP06837048A EP1949463A4 (en) 2005-11-04 2006-11-06 High light extraction efficiency light emitting diode (led)
JP2008539119A JP2009515344A (en) 2005-11-04 2006-11-06 Light-emitting diode (LED) with high light extraction efficiency

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US73404005P 2005-11-04 2005-11-04
US60/734,040 2005-11-04

Publications (3)

Publication Number Publication Date
WO2007056354A2 WO2007056354A2 (en) 2007-05-18
WO2007056354A8 WO2007056354A8 (en) 2007-08-16
WO2007056354A3 true WO2007056354A3 (en) 2008-10-23

Family

ID=38023921

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/043317 WO2007056354A2 (en) 2005-11-04 2006-11-06 High light extraction efficiency light emitting diode (led)

Country Status (6)

Country Link
US (1) US7994527B2 (en)
EP (1) EP1949463A4 (en)
JP (1) JP2009515344A (en)
KR (1) KR20080074948A (en)
TW (1) TW200733424A (en)
WO (1) WO2007056354A2 (en)

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US7994527B2 (en) 2011-08-09
TW200733424A (en) 2007-09-01
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EP1949463A4 (en) 2010-12-29
EP1949463A2 (en) 2008-07-30

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