JP5778419B2 - 液晶ディスプレイ用バックライト - Google Patents

液晶ディスプレイ用バックライト Download PDF

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Publication number
JP5778419B2
JP5778419B2 JP2010508469A JP2010508469A JP5778419B2 JP 5778419 B2 JP5778419 B2 JP 5778419B2 JP 2010508469 A JP2010508469 A JP 2010508469A JP 2010508469 A JP2010508469 A JP 2010508469A JP 5778419 B2 JP5778419 B2 JP 5778419B2
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JP
Japan
Prior art keywords
light
input surface
antireflection
light input
guide plate
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
JP2010508469A
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English (en)
Japanese (ja)
Other versions
JP2010528326A (ja
JP2010528326A5 (enExample
Inventor
シー． シュルツ，ジョン
シー． シュルツ，ジョン
エル． ブロット，ロバート
エル． ブロット，ロバート
ジェイ． シコラ，マイケル
ジェイ． シコラ，マイケル
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Innovative Properties Co
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 JP2010528326A publication Critical patent/JP2010528326A/ja
Publication of JP2010528326A5 publication Critical patent/JP2010528326A5/ja
Application granted granted Critical
Publication of JP5778419B2 publication Critical patent/JP5778419B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
    • G02B30/24—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type involving temporal multiplexing, e.g. using sequentially activated left and right shutters
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
    • 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
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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

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)
  • Liquid Crystal (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Planar Illumination Modules (AREA)
JP2010508469A 2007-05-18 2008-03-28 液晶ディスプレイ用バックライト Expired - Fee Related JP5778419B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/750,412 2007-05-18
US11/750,412 US7528893B2 (en) 2007-05-18 2007-05-18 Backlight for liquid crystal display
PCT/US2008/058626 WO2008144109A1 (en) 2007-05-18 2008-03-28 Backlight for liquid crystal display

Publications (3)

Publication Number Publication Date
JP2010528326A JP2010528326A (ja) 2010-08-19
JP2010528326A5 JP2010528326A5 (enExample) 2011-05-06
JP5778419B2 true JP5778419B2 (ja) 2015-09-16

Family

ID=40027121

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010508469A Expired - Fee Related JP5778419B2 (ja) 2007-05-18 2008-03-28 液晶ディスプレイ用バックライト

Country Status (5)

Country Link
US (1) US7528893B2 (enExample)
JP (1) JP5778419B2 (enExample)
KR (1) KR20100021437A (enExample)
TW (1) TW200909940A (enExample)
WO (1) WO2008144109A1 (enExample)

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Publication number Publication date
JP2010528326A (ja) 2010-08-19
US7528893B2 (en) 2009-05-05
US20080284945A1 (en) 2008-11-20
WO2008144109A1 (en) 2008-11-27
KR20100021437A (ko) 2010-02-24
TW200909940A (en) 2009-03-01

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