WO2006020610A3 - Light collimating device - Google Patents

Light collimating device Download PDF

Info

Publication number
WO2006020610A3
WO2006020610A3 PCT/US2005/028217 US2005028217W WO2006020610A3 WO 2006020610 A3 WO2006020610 A3 WO 2006020610A3 US 2005028217 W US2005028217 W US 2005028217W WO 2006020610 A3 WO2006020610 A3 WO 2006020610A3
Authority
WO
WIPO (PCT)
Prior art keywords
collimating device
optical elements
transflector
backlight
tapered
Prior art date
Application number
PCT/US2005/028217
Other languages
French (fr)
Other versions
WO2006020610A2 (en
Inventor
Neil D Lubart
Timothy J Wojciechowski
Thomas E Lash
Original Assignee
Trivium Technologies Inc
Neil D Lubart
Timothy J Wojciechowski
Thomas E Lash
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 Trivium Technologies Inc, Neil D Lubart, Timothy J Wojciechowski, Thomas E Lash filed Critical Trivium Technologies Inc
Priority to EP05784684A priority Critical patent/EP1782118A4/en
Priority to MX2007001717A priority patent/MX2007001717A/en
Priority to AU2005272937A priority patent/AU2005272937A1/en
Priority to CN2005800337758A priority patent/CN101091133B/en
Priority to JP2007525723A priority patent/JP2008510183A/en
Priority to BRPI0514223-7A priority patent/BRPI0514223A/en
Priority to CA2579439A priority patent/CA2579439C/en
Publication of WO2006020610A2 publication Critical patent/WO2006020610A2/en
Publication of WO2006020610A3 publication Critical patent/WO2006020610A3/en
Priority to HK08106638.7A priority patent/HK1116546A1/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/002—Arrays of reflective systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G02B27/0972—Prisms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/0977—Reflective elements
    • G02B27/0983—Reflective elements being curved
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/30—Collimators
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553—Reflecting elements
    • G02F1/133555—Transflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

Abstract

A collimating device and a transflector for use in a system having a backlight is disclosed herein. In one embodiment of the application, the collimating device and the transflector each include an immersing layer, a reflecting layer, and an optical element layer formed from a plurality of three-dimensional, optical elements. Each optical element is tapered such that a small area end has a horizontal plane cross sectional area that is less than that of a wide area end. The optical elements of the collimating device are tapered towards the backlight and the optical elements of the transflector are tapered away from the backlight. The reflecting layer has apertures which correspond to the position and shape of the light input ends of the optical elements.
PCT/US2005/028217 2004-08-10 2005-08-09 Light collimating device WO2006020610A2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP05784684A EP1782118A4 (en) 2004-08-10 2005-08-09 Light collimating device
MX2007001717A MX2007001717A (en) 2004-08-10 2005-08-09 Light collimating device.
AU2005272937A AU2005272937A1 (en) 2004-08-10 2005-08-09 Light collimating device
CN2005800337758A CN101091133B (en) 2004-08-10 2005-08-09 Light collimating device
JP2007525723A JP2008510183A (en) 2004-08-10 2005-08-09 Optical collimator
BRPI0514223-7A BRPI0514223A (en) 2004-08-10 2005-08-09 light collimation device
CA2579439A CA2579439C (en) 2004-08-10 2005-08-09 Light collimating device
HK08106638.7A HK1116546A1 (en) 2004-08-10 2008-06-17 Light collimating device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US60027204P 2004-08-10 2004-08-10
US60/600,272 2004-08-10
US11/194,360 2005-08-01
US11/194,360 US7345824B2 (en) 2002-03-26 2005-08-01 Light collimating device

Publications (2)

Publication Number Publication Date
WO2006020610A2 WO2006020610A2 (en) 2006-02-23
WO2006020610A3 true WO2006020610A3 (en) 2006-12-14

Family

ID=35908091

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/028217 WO2006020610A2 (en) 2004-08-10 2005-08-09 Light collimating device

Country Status (13)

Country Link
US (3) US7345824B2 (en)
EP (1) EP1782118A4 (en)
JP (1) JP2008510183A (en)
KR (1) KR20070110245A (en)
CN (1) CN101091133B (en)
AU (1) AU2005272937A1 (en)
BR (1) BRPI0514223A (en)
CA (1) CA2579439C (en)
HK (1) HK1116546A1 (en)
MX (1) MX2007001717A (en)
RU (1) RU2007108789A (en)
TW (1) TWI383192B (en)
WO (1) WO2006020610A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8226253B2 (en) 2008-02-27 2012-07-24 Lubart Neil D Concentrators for solar power generating systems

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