WO2005041632A3 - Collection optics for led array with offset hemispherical or faceted surfaces - Google Patents

Collection optics for led array with offset hemispherical or faceted surfaces Download PDF

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Publication number
WO2005041632A3
WO2005041632A3 PCT/US2004/036260 US2004036260W WO2005041632A3 WO 2005041632 A3 WO2005041632 A3 WO 2005041632A3 US 2004036260 W US2004036260 W US 2004036260W WO 2005041632 A3 WO2005041632 A3 WO 2005041632A3
Authority
WO
WIPO (PCT)
Prior art keywords
led array
lens
faceted surfaces
collection optics
offset
Prior art date
Application number
PCT/US2004/036260
Other languages
French (fr)
Other versions
WO2005041632B1 (en
WO2005041632A2 (en
Inventor
Duwayne R Anderson
Roland Jasmin Jr
Original Assignee
Phoseon Technology Inc
Duwayne R Anderson
Roland Jasmin Jr
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 Phoseon Technology Inc, Duwayne R Anderson, Roland Jasmin Jr filed Critical Phoseon Technology Inc
Priority to EP04810188.5A priority Critical patent/EP1678442B8/en
Priority to US10/577,514 priority patent/US7819550B2/en
Publication of WO2005041632A2 publication Critical patent/WO2005041632A2/en
Publication of WO2005041632A3 publication Critical patent/WO2005041632A3/en
Publication of WO2005041632B1 publication Critical patent/WO2005041632B1/en
Priority to US12/893,405 priority patent/US8523387B2/en

Links

Classifications

    • 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
    • F21V5/007—Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0056—Arrays characterized by the distribution or form of lenses arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • 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
    • H01L33/58—Optical field-shaping elements

Abstract

An array of LEDs (30) is provided having a lens array (34) for collecting divergent light from each LED (30). Each lens (34) in the array is associated with a respective LED (30) and has a compound shape including a curved surface (40) that may be spherical or may have an offset aspherical shape. The curved surfaces (40) are centered about each side of its associated LED (30). The lens (34) may alternatively include faceted surfaces (46) that approximate the curved lens surface.
PCT/US2004/036260 2003-10-31 2004-10-28 Collection optics for led array with offset hemispherical or faceted surfaces WO2005041632A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP04810188.5A EP1678442B8 (en) 2003-10-31 2004-10-28 Led light module and manufacturing method
US10/577,514 US7819550B2 (en) 2003-10-31 2004-10-28 Collection optics for led array with offset hemispherical or faceted surfaces
US12/893,405 US8523387B2 (en) 2003-10-31 2010-09-29 Collection optics for LED array with offset hemispherical or faceted surfaces

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US51638203P 2003-10-31 2003-10-31
US60/516,382 2003-10-31

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US10/577,514 A-371-Of-International US7819550B2 (en) 2003-10-31 2004-10-28 Collection optics for led array with offset hemispherical or faceted surfaces
US12/893,405 Continuation US8523387B2 (en) 2003-10-31 2010-09-29 Collection optics for LED array with offset hemispherical or faceted surfaces

Publications (3)

Publication Number Publication Date
WO2005041632A2 WO2005041632A2 (en) 2005-05-12
WO2005041632A3 true WO2005041632A3 (en) 2005-08-04
WO2005041632B1 WO2005041632B1 (en) 2005-10-27

Family

ID=34549536

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/036260 WO2005041632A2 (en) 2003-10-31 2004-10-28 Collection optics for led array with offset hemispherical or faceted surfaces

Country Status (3)

Country Link
US (2) US7819550B2 (en)
EP (1) EP1678442B8 (en)
WO (1) WO2005041632A2 (en)

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EP1678442B8 (en) 2013-06-26
EP1678442A4 (en) 2010-01-20
WO2005041632B1 (en) 2005-10-27
US20070109790A1 (en) 2007-05-17
WO2005041632A2 (en) 2005-05-12
EP1678442B1 (en) 2013-02-27
US20110063840A1 (en) 2011-03-17
US7819550B2 (en) 2010-10-26
EP1678442A2 (en) 2006-07-12
US8523387B2 (en) 2013-09-03

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