WO2007138554A3 - Color control by alteration of wavelength converting member - Google Patents

Color control by alteration of wavelength converting member Download PDF

Info

Publication number
WO2007138554A3
WO2007138554A3 PCT/IB2007/052029 IB2007052029W WO2007138554A3 WO 2007138554 A3 WO2007138554 A3 WO 2007138554A3 IB 2007052029 W IB2007052029 W IB 2007052029W WO 2007138554 A3 WO2007138554 A3 WO 2007138554A3
Authority
WO
WIPO (PCT)
Prior art keywords
wavelength converting
converting member
alteration
wavelength
color control
Prior art date
Application number
PCT/IB2007/052029
Other languages
French (fr)
Other versions
WO2007138554A2 (en
Inventor
Steve Paolini
Michael D Camras
Pujol Oscar A Chao
Frank M Steranka
John E Epler
Original Assignee
Koninkl Philips Electronics Nv
Philips Lumileds Lighting Co
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 Koninkl Philips Electronics Nv, Philips Lumileds Lighting Co filed Critical Koninkl Philips Electronics Nv
Priority to EP07736048.5A priority Critical patent/EP2030255B1/en
Priority to CN2007800201456A priority patent/CN101553936B/en
Publication of WO2007138554A2 publication Critical patent/WO2007138554A2/en
Publication of WO2007138554A3 publication Critical patent/WO2007138554A3/en

Links

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
    • H01L33/50—Wavelength conversion elements
    • H01L33/508—Wavelength conversion elements having a non-uniform spatial arrangement or non-uniform concentration, e.g. patterned wavelength conversion layer, wavelength conversion layer with a concentration gradient of the wavelength conversion material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
    • H01L2224/732—Location after the connecting process
    • H01L2224/73251—Location after the connecting process on different surfaces
    • H01L2224/73253—Bump and layer connectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
    • H01L2933/0008—Processes
    • H01L2933/0033—Processes relating to semiconductor body packages
    • H01L2933/0041—Processes relating to semiconductor body packages relating to wavelength conversion 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
    • H01L33/02—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
    • 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 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

Abstract

A light emitting device is produced by depositing a layer of wavelength converting material over the light emitting device, testing the device to determine the wavelength spectrum produced and correcting the wavelength converting member to produce the desired wavelength spectrum. The wavelength converting member may be corrected by reducing or increasing the amount of wavelength converting material. In one embodiment, the amount of wavelength converting material in the wavelength converting member is reduced, e.g., through laser ablation or etching, to produce the desired wavelength spectrum.
PCT/IB2007/052029 2006-05-31 2007-05-30 Color control by alteration of wavelength converting member WO2007138554A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP07736048.5A EP2030255B1 (en) 2006-05-31 2007-05-30 Cross control by alteration of wavelength converting member
CN2007800201456A CN101553936B (en) 2006-05-31 2007-05-30 Color control by alteration of wavelength converting member

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/444,592 2006-05-31
US11/444,592 US7462502B2 (en) 2004-11-12 2006-05-31 Color control by alteration of wavelength converting element

Publications (2)

Publication Number Publication Date
WO2007138554A2 WO2007138554A2 (en) 2007-12-06
WO2007138554A3 true WO2007138554A3 (en) 2008-02-14

Family

ID=38544319

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2007/052029 WO2007138554A2 (en) 2006-05-31 2007-05-30 Color control by alteration of wavelength converting member

Country Status (6)

Country Link
US (4) US7462502B2 (en)
EP (1) EP2030255B1 (en)
JP (1) JP5495479B2 (en)
CN (1) CN101553936B (en)
TW (1) TWI431800B (en)
WO (1) WO2007138554A2 (en)

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