WO2007137102A3 - Process for making light guides with extraction structures and light guides produced thereby - Google Patents

Process for making light guides with extraction structures and light guides produced thereby Download PDF

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Publication number
WO2007137102A3
WO2007137102A3 PCT/US2007/069095 US2007069095W WO2007137102A3 WO 2007137102 A3 WO2007137102 A3 WO 2007137102A3 US 2007069095 W US2007069095 W US 2007069095W WO 2007137102 A3 WO2007137102 A3 WO 2007137102A3
Authority
WO
WIPO (PCT)
Prior art keywords
light guides
extraction structures
light
produced
light extraction
Prior art date
Application number
PCT/US2007/069095
Other languages
French (fr)
Other versions
WO2007137102A2 (en
Inventor
Charles A Marttila
Charles D Hoyle
David A Ender
Jaime B Willoughby
Robert J Devoe
Original Assignee
3M Innovative Properties Co
Charles A Marttila
Charles D Hoyle
David A Ender
Jaime B Willoughby
Robert J Devoe
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 3M Innovative Properties Co, Charles A Marttila, Charles D Hoyle, David A Ender, Jaime B Willoughby, Robert J Devoe filed Critical 3M Innovative Properties Co
Priority to JP2009511229A priority Critical patent/JP2009537870A/en
Priority to US12/299,955 priority patent/US7941013B2/en
Priority to CN2007800180337A priority patent/CN101448632B/en
Priority to EP07797520.9A priority patent/EP2018263B1/en
Publication of WO2007137102A2 publication Critical patent/WO2007137102A2/en
Publication of WO2007137102A3 publication Critical patent/WO2007137102A3/en
Priority to US12/473,814 priority patent/US9329326B2/en
Priority to US12/473,842 priority patent/US7936956B2/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk of the light guide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00663—Production of light guides
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0065—Manufacturing aspects; Material aspects

Abstract

A process comprises imagewise exposing at least a portion of a photoreactive composition to light sufficient to cause simultaneous absorption of at least two photons / thereby inducing at least one acid- or radical-initiated chemical reaction where the composition is exposed to the light, the imagewise exposing being carried out in a pattern that is effective to define at least the surface of a plurality of light extraction structures. Each one of the array of light extraction structures has at least one shape factor; the shape factor may vary across the array. At least one light extraction structure may have the geometric configuration of a truncated asphere.
PCT/US2007/069095 2006-05-18 2007-05-17 Process for making light guides with extraction structures and light guides produced thereby WO2007137102A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2009511229A JP2009537870A (en) 2006-05-18 2007-05-17 Method for manufacturing light guide with extraction structure and light guide manufactured by the method
US12/299,955 US7941013B2 (en) 2006-05-18 2007-05-17 Process for making light guides with extraction structures and light guides produced thereby
CN2007800180337A CN101448632B (en) 2006-05-18 2007-05-17 Process for making light guides with extraction structures and light guides produced thereby
EP07797520.9A EP2018263B1 (en) 2006-05-18 2007-05-17 Process for making light guides with extraction structures
US12/473,814 US9329326B2 (en) 2006-05-18 2009-05-28 Process for making light guides with extraction structures and light guides produced thereby
US12/473,842 US7936956B2 (en) 2006-05-18 2009-05-28 Process for making light guides with extraction structures and light guides produced thereby

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US74760906P 2006-05-18 2006-05-18
US60/747,609 2006-05-18

Related Child Applications (3)

Application Number Title Priority Date Filing Date
US12/299,955 A-371-Of-International US7941013B2 (en) 2006-05-18 2007-05-17 Process for making light guides with extraction structures and light guides produced thereby
US12/473,814 Continuation US9329326B2 (en) 2006-05-18 2009-05-28 Process for making light guides with extraction structures and light guides produced thereby
US12/473,842 Continuation US7936956B2 (en) 2006-05-18 2009-05-28 Process for making light guides with extraction structures and light guides produced thereby

Publications (2)

Publication Number Publication Date
WO2007137102A2 WO2007137102A2 (en) 2007-11-29
WO2007137102A3 true WO2007137102A3 (en) 2008-08-14

Family

ID=38671020

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/069095 WO2007137102A2 (en) 2006-05-18 2007-05-17 Process for making light guides with extraction structures and light guides produced thereby

Country Status (5)

Country Link
US (3) US7941013B2 (en)
EP (2) EP2468487B1 (en)
JP (3) JP2009537870A (en)
CN (1) CN101448632B (en)
WO (1) WO2007137102A2 (en)

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WO2007137102A2 (en) 2007-11-29
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US20090285543A1 (en) 2009-11-19
US7936956B2 (en) 2011-05-03
US7941013B2 (en) 2011-05-10
US9329326B2 (en) 2016-05-03
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EP2018263A2 (en) 2009-01-28
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