JP5059765B2 - 凹面トランスフレクターを備えた光リサイクリングキャビティーを有する端部照明バックライト - Google Patents

凹面トランスフレクターを備えた光リサイクリングキャビティーを有する端部照明バックライト Download PDF

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Publication number
JP5059765B2
JP5059765B2 JP2008528225A JP2008528225A JP5059765B2 JP 5059765 B2 JP5059765 B2 JP 5059765B2 JP 2008528225 A JP2008528225 A JP 2008528225A JP 2008528225 A JP2008528225 A JP 2008528225A JP 5059765 B2 JP5059765 B2 JP 5059765B2
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JP
Japan
Prior art keywords
backlight
light
reflector
light source
recycling
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
JP2008528225A
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English (en)
Japanese (ja)
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JP2009506503A5 (https=
JP2009506503A (ja
Inventor
アール． シャート，クレイグ
トンプソン，ディー．スコット
エー． ホイートリー，ジョン
ルー，ドン
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 JP2009506503A publication Critical patent/JP2009506503A/ja
Publication of JP2009506503A5 publication Critical patent/JP2009506503A5/ja
Application granted granted Critical
Publication of JP5059765B2 publication Critical patent/JP5059765B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • G02B6/0055—Reflecting 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
    • G02B6/0096—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type
    • 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
    • G02B6/002—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • 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
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—Reflecting element, sheet or layer
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
    • H10H20/80—Constructional details
    • H10H20/85—Packages
    • H10H20/852—Encapsulations
    • H10H20/853—Encapsulations characterised by their shape
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W74/00—Encapsulations, e.g. protective coatings
    • H10W74/10—Encapsulations, e.g. protective coatings characterised by their shape or disposition
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W90/00—Package configurations
    • H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
    • H10W90/751—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires
    • H10W90/756—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires between a chip and a stacked lead frame, conducting package substrate or heat sink

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)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)
JP2008528225A 2005-08-27 2006-08-25 凹面トランスフレクターを備えた光リサイクリングキャビティーを有する端部照明バックライト Expired - Fee Related JP5059765B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US71152005P 2005-08-27 2005-08-27
US60/711,520 2005-08-27
US11/466,628 2006-08-23
US11/466,628 US7537374B2 (en) 2005-08-27 2006-08-23 Edge-lit backlight having light recycling cavity with concave transflector
PCT/US2006/033337 WO2007027539A1 (en) 2005-08-27 2006-08-25 Edge-lit backlight having light recycling cavity with concave transflector

Publications (3)

Publication Number Publication Date
JP2009506503A JP2009506503A (ja) 2009-02-12
JP2009506503A5 JP2009506503A5 (https=) 2012-06-07
JP5059765B2 true JP5059765B2 (ja) 2012-10-31

Family

ID=37803813

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008528225A Expired - Fee Related JP5059765B2 (ja) 2005-08-27 2006-08-25 凹面トランスフレクターを備えた光リサイクリングキャビティーを有する端部照明バックライト

Country Status (7)

Country Link
US (1) US7537374B2 (https=)
EP (1) EP1929362B1 (https=)
JP (1) JP5059765B2 (https=)
KR (1) KR101323922B1 (https=)
CN (1) CN102644886A (https=)
TW (1) TW200712661A (https=)
WO (1) WO2007027539A1 (https=)

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EP1929362A1 (en) 2008-06-11
EP1929362A4 (en) 2012-08-29
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TW200712661A (en) 2007-04-01
CN102644886A (zh) 2012-08-22
KR20080048039A (ko) 2008-05-30
US7537374B2 (en) 2009-05-26
KR101323922B1 (ko) 2013-10-31
US20070047262A1 (en) 2007-03-01

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