WO2006033695A3 - Methods of coating semiconductor light emitting elements by evaporating solvent from a suspension - Google Patents

Methods of coating semiconductor light emitting elements by evaporating solvent from a suspension Download PDF

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Publication number
WO2006033695A3
WO2006033695A3 PCT/US2005/023753 US2005023753W WO2006033695A3 WO 2006033695 A3 WO2006033695 A3 WO 2006033695A3 US 2005023753 W US2005023753 W US 2005023753W WO 2006033695 A3 WO2006033695 A3 WO 2006033695A3
Authority
WO
WIPO (PCT)
Prior art keywords
light emitting
semiconductor light
suspension
methods
emitting elements
Prior art date
Application number
PCT/US2005/023753
Other languages
French (fr)
Other versions
WO2006033695A2 (en
Inventor
Gerald H Negley
Michael Leung
Original Assignee
Cree Inc
Gerald H Negley
Michael Leung
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, Gerald H Negley, Michael Leung filed Critical Cree Inc
Priority to JP2007533459A priority Critical patent/JP2008514026A/en
Priority to EP05808825.3A priority patent/EP1797597B1/en
Publication of WO2006033695A2 publication Critical patent/WO2006033695A2/en
Publication of WO2006033695A3 publication Critical patent/WO2006033695A3/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
    • H01L33/50—Wavelength conversion elements
    • H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
    • 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

Abstract

Semiconductor light emitting devices are fabricated by placing a suspension including phosphor particles suspended in solvent on at least a portion of a light emitting surface of a semiconductor light emitting element, and evaporating at least some of the solvent to cause the phosphor particles to deposit on at least a portion of the light emitting surface. A coating including phosphor particles is thereby formed on at least a portion of the light emitting surface. Particles other than phosphor also may be coated and solutions wherein particles are dissolved in solvent also may be used.
PCT/US2005/023753 2004-09-21 2005-06-30 Methods of coating semiconductor light emitting elements by evaporating solvent from a suspension WO2006033695A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007533459A JP2008514026A (en) 2004-09-21 2005-06-30 Method for coating a semiconductor light emitting device by evaporating the solvent from the suspension
EP05808825.3A EP1797597B1 (en) 2004-09-21 2005-06-30 Methods of coating semiconductor light emitting elements by evaporating solvent from a suspension

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/946,587 US7217583B2 (en) 2004-09-21 2004-09-21 Methods of coating semiconductor light emitting elements by evaporating solvent from a suspension
US10/946,587 2004-09-21

Publications (2)

Publication Number Publication Date
WO2006033695A2 WO2006033695A2 (en) 2006-03-30
WO2006033695A3 true WO2006033695A3 (en) 2006-06-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/023753 WO2006033695A2 (en) 2004-09-21 2005-06-30 Methods of coating semiconductor light emitting elements by evaporating solvent from a suspension

Country Status (7)

Country Link
US (2) US7217583B2 (en)
EP (2) EP2306526A3 (en)
JP (1) JP2008514026A (en)
KR (1) KR20070054725A (en)
CN (3) CN101023534A (en)
TW (2) TWI452112B (en)
WO (1) WO2006033695A2 (en)

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Publication number Priority date Publication date Assignee Title
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