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SG10201502906XA - Optical stack and lightguides - Google Patents

Optical stack and lightguides

Info

Publication number
SG10201502906XA
SG10201502906XA SG10201502906XA SG10201502906XA SG10201502906XA SG 10201502906X A SG10201502906X A SG 10201502906XA SG 10201502906X A SG10201502906X A SG 10201502906XA SG 10201502906X A SG10201502906X A SG 10201502906XA SG 10201502906X A SG10201502906X A SG 10201502906XA
Authority
SG
Singapore
Prior art keywords
lightguides
optical stack
stack
optical
Prior art date
Application number
SG10201502906XA
Inventor
William F Edmonds
Tao Liu
Derlofske John F Van Iii
John A Wheatley
Original Assignee
3M Innovative Properties Co
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 filed Critical 3M Innovative Properties Co
Publication of SG10201502906XA publication Critical patent/SG10201502906XA/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • 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
    • 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
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24612—Composite web or sheet

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)
  • Laminated Bodies (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
SG10201502906XA 2010-04-12 2011-04-11 Optical stack and lightguides SG10201502906XA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US32316310P 2010-04-12 2010-04-12
US32312810P 2010-04-12 2010-04-12
US32314710P 2010-04-12 2010-04-12

Publications (1)

Publication Number Publication Date
SG10201502906XA true SG10201502906XA (en) 2015-05-28

Family

ID=44227521

Family Applications (4)

Application Number Title Priority Date Filing Date
SG2012076204A SG184855A1 (en) 2010-04-12 2011-04-11 Light directing film
SG2012076196A SG184854A1 (en) 2010-04-12 2011-04-11 Optical stack
SG2012069191A SG184134A1 (en) 2010-04-12 2011-04-11 Optical stack and lightguides
SG10201502906XA SG10201502906XA (en) 2010-04-12 2011-04-11 Optical stack and lightguides

Family Applications Before (3)

Application Number Title Priority Date Filing Date
SG2012076204A SG184855A1 (en) 2010-04-12 2011-04-11 Light directing film
SG2012076196A SG184854A1 (en) 2010-04-12 2011-04-11 Optical stack
SG2012069191A SG184134A1 (en) 2010-04-12 2011-04-11 Optical stack and lightguides

Country Status (8)

Country Link
US (4) US8947799B2 (en)
EP (3) EP2558891A1 (en)
JP (7) JP2013524299A (en)
KR (6) KR20130067269A (en)
CN (3) CN102834744B (en)
SG (4) SG184855A1 (en)
TW (3) TWI537613B (en)
WO (3) WO2011130155A1 (en)

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Also Published As

Publication number Publication date
KR20130092392A (en) 2013-08-20
KR102140995B1 (en) 2020-08-04
TW201219851A (en) 2012-05-16
SG184855A1 (en) 2012-11-29
KR20180058230A (en) 2018-05-31
JP2019194991A (en) 2019-11-07
JP5824033B2 (en) 2015-11-25
US20130039077A1 (en) 2013-02-14
KR101796806B1 (en) 2017-11-10
JP2013524298A (en) 2013-06-17
JP2016184168A (en) 2016-10-20
SG184134A1 (en) 2012-11-29
KR20200022531A (en) 2020-03-03
WO2011130155A1 (en) 2011-10-20
US20130022315A1 (en) 2013-01-24
US8947799B2 (en) 2015-02-03
JP6605392B2 (en) 2019-11-13
CN102822702A (en) 2012-12-12
KR102155586B1 (en) 2020-09-14
JP2018106196A (en) 2018-07-05
US20130004728A1 (en) 2013-01-03
US9116285B2 (en) 2015-08-25
US8942522B2 (en) 2015-01-27
TW201211591A (en) 2012-03-16
KR102120839B1 (en) 2020-06-09
CN102834744A (en) 2012-12-19
KR20130067269A (en) 2013-06-21
JP2013524299A (en) 2013-06-17
EP2558889A1 (en) 2013-02-20
EP2558891A1 (en) 2013-02-20
US20150153021A1 (en) 2015-06-04
TWI537613B (en) 2016-06-11
JP6870034B2 (en) 2021-05-12
TWI537615B (en) 2016-06-11
CN102822702B (en) 2016-07-06
WO2011130144A1 (en) 2011-10-20
KR20130040887A (en) 2013-04-24
TWI537614B (en) 2016-06-11
CN102844686A (en) 2012-12-26
CN102844686B (en) 2015-07-01
CN102834744B (en) 2016-03-16
JP2016184583A (en) 2016-10-20
SG184854A1 (en) 2012-11-29
WO2011130151A1 (en) 2011-10-20
JP2013529313A (en) 2013-07-18
EP2558890A1 (en) 2013-02-20
TW201213888A (en) 2012-04-01
KR20180058231A (en) 2018-05-31

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