WO2005027576A3 - Light efficient packaging configurations for led lamps using high refractive index encapsulants - Google Patents

Light efficient packaging configurations for led lamps using high refractive index encapsulants Download PDF

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Publication number
WO2005027576A3
WO2005027576A3 PCT/US2004/029201 US2004029201W WO2005027576A3 WO 2005027576 A3 WO2005027576 A3 WO 2005027576A3 US 2004029201 W US2004029201 W US 2004029201W WO 2005027576 A3 WO2005027576 A3 WO 2005027576A3
Authority
WO
WIPO (PCT)
Prior art keywords
refractive index
high refractive
packaging configurations
led
led lamps
Prior art date
Application number
PCT/US2004/029201
Other languages
French (fr)
Other versions
WO2005027576A2 (en
Inventor
Nikhil R Taskar
Vipin Chabra
Donald Dorman
Samuel P Herko
Original Assignee
Nanocrystal Lighting Corp
Nikhil R Taskar
Vipin Chabra
Donald Dorman
Samuel P Herko
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 Nanocrystal Lighting Corp, Nikhil R Taskar, Vipin Chabra, Donald Dorman, Samuel P Herko filed Critical Nanocrystal Lighting Corp
Priority to EP04783444A priority Critical patent/EP1668960A2/en
Priority to JP2006526246A priority patent/JP2007516601A/en
Publication of WO2005027576A2 publication Critical patent/WO2005027576A2/en
Priority to US11/369,481 priority patent/US20060255353A1/en
Publication of WO2005027576A3 publication Critical patent/WO2005027576A3/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
    • H01L33/52—Encapsulations
    • H01L33/56—Materials, e.g. epoxy or silicone resin
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/10—Refractors for light sources comprising photoluminescent material
    • 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
    • H01L33/52—Encapsulations
    • H01L33/54—Encapsulations having a particular shape
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • 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
    • 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

Light efficient packaging configurations for LED lamps using high refractive index encapsulants. The packaging configurations including dome (bullet) shaped LED's, SMD (surface mount device) LED's and a hybrid LED type, including a dome mounted within a SMD package. The packaging configurations increase the LED's light emission efficiency at a reasonable cost and in a commercially viable manner, by maximizing the light efficiency while minimizing the amount of high refractive index encapsulant used.
PCT/US2004/029201 2003-09-08 2004-09-08 Light efficient packaging configurations for led lamps using high refractive index encapsulants WO2005027576A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP04783444A EP1668960A2 (en) 2003-09-08 2004-09-08 Light efficient packaging configurations for led lamps using high refractive index encapsulants
JP2006526246A JP2007516601A (en) 2003-09-08 2004-09-08 Efficient light packaging for LED lamps using high refractive index capsule materials
US11/369,481 US20060255353A1 (en) 2003-09-08 2006-03-07 Light efficient packaging configurations for LED lamps using high refractive index encapsulants

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US50114703P 2003-09-08 2003-09-08
US60/501,147 2003-09-08
US52452903P 2003-11-24 2003-11-24
US60/524,529 2003-11-24

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/369,481 Continuation US20060255353A1 (en) 2003-09-08 2006-03-07 Light efficient packaging configurations for LED lamps using high refractive index encapsulants

Publications (2)

Publication Number Publication Date
WO2005027576A2 WO2005027576A2 (en) 2005-03-24
WO2005027576A3 true WO2005027576A3 (en) 2008-10-30

Family

ID=34316467

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/029201 WO2005027576A2 (en) 2003-09-08 2004-09-08 Light efficient packaging configurations for led lamps using high refractive index encapsulants

Country Status (4)

Country Link
US (1) US20060255353A1 (en)
EP (1) EP1668960A2 (en)
JP (1) JP2007516601A (en)
WO (1) WO2005027576A2 (en)

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Also Published As

Publication number Publication date
WO2005027576A2 (en) 2005-03-24
JP2007516601A (en) 2007-06-21
EP1668960A2 (en) 2006-06-14
US20060255353A1 (en) 2006-11-16

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