TWI596390B - 背光光導 - Google Patents

背光光導 Download PDF

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Publication number
TWI596390B
TWI596390B TW102105000A TW102105000A TWI596390B TW I596390 B TWI596390 B TW I596390B TW 102105000 A TW102105000 A TW 102105000A TW 102105000 A TW102105000 A TW 102105000A TW I596390 B TWI596390 B TW I596390B
Authority
TW
Taiwan
Prior art keywords
light guide
layer
light
backlight
backlight light
Prior art date
Application number
TW102105000A
Other languages
English (en)
Chinese (zh)
Other versions
TW201337360A (zh
Inventor
安卓 約翰 奧德奇爾克
艾倫 愛麗絲 賓德
Original Assignee
３Ｍ新設資產公司
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新設資產公司 filed Critical ３Ｍ新設資產公司
Publication of TW201337360A publication Critical patent/TW201337360A/zh
Application granted granted Critical
Publication of TWI596390B publication Critical patent/TWI596390B/zh

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
    • G02B6/0013—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
    • G02B6/0028—Light guide, e.g. taper
    • 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
    • G02B6/0025—Diffusing sheet or layer; Prismatic 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
    • G02B6/0013—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
    • 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
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened 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
    • G02B6/0035—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
    • G02B6/0045—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 by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
    • G02B6/0048—Tapered light guide, e.g. wedge-shaped light guide with stepwise taper
    • 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
    • G02B6/0011—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
    • G02B6/0056—Means for improving the coupling-out of light from the light guide for producing polarisation effects, e.g. by a surface with polarizing properties or by an additional polarizing elements
    • 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
    • G02F1/133528—Polarisers
    • G02F1/133536—Reflective polarizers

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)
TW102105000A 2012-02-17 2013-02-07 背光光導 TWI596390B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201261599979P 2012-02-17 2012-02-17

Publications (2)

Publication Number Publication Date
TW201337360A TW201337360A (zh) 2013-09-16
TWI596390B true TWI596390B (zh) 2017-08-21

Family

ID=48984591

Family Applications (1)

Application Number Title Priority Date Filing Date
TW102105000A TWI596390B (zh) 2012-02-17 2013-02-07 背光光導

Country Status (7)

Country Link
US (1) US9632353B2 (enExample)
EP (1) EP2815270A4 (enExample)
JP (1) JP2015507346A (enExample)
KR (1) KR20140129156A (enExample)
CN (1) CN104303098B (enExample)
TW (1) TWI596390B (enExample)
WO (1) WO2013122730A1 (enExample)

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KR20140137363A (ko) 2012-02-17 2014-12-02 쓰리엠 이노베이티브 프로퍼티즈 컴파니 왜상 도광체
EP2815269A4 (en) 2012-02-17 2015-10-14 3M Innovative Properties Co BACKLIGHT SYSTEM
US10222535B2 (en) 2013-07-02 2019-03-05 3M Innovative Properties Company Flat light guide
US10261233B2 (en) 2014-11-25 2019-04-16 Microsoft Technology Licensing, Llc Backlight unit with controlled light extraction
CN109312908A (zh) * 2016-06-10 2019-02-05 3M创新有限公司 再循环背光源
US10809436B2 (en) 2017-05-31 2020-10-20 Lumileds Llc Shaping input surfaces of LED light-guides for increased light extraction efficiency
KR102399100B1 (ko) * 2017-06-16 2022-05-18 삼성디스플레이 주식회사 백라이트 유닛 및 이를 포함하는 표시 장치

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US20040085749A1 (en) * 1999-02-23 2004-05-06 Parker Jeffery R. Transreflectors, transreflector systems and displays and methods of making transreflectors
JP2004151550A (ja) * 2002-10-31 2004-05-27 Seiko Epson Corp 電気光学装置及び電子機器
CN1885121A (zh) * 2005-06-24 2006-12-27 三星电子株式会社 液晶显示器
US20070212533A1 (en) * 2005-02-17 2007-09-13 Jones Clinton L Polymerizable oligomeric urethane compositions comprising nanoparticles

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WO2001090637A1 (en) 2000-05-19 2001-11-29 Koninklijke Philips Electronics N.V. Polarized light-emitting waveguide plate
US7263268B2 (en) 2001-07-23 2007-08-28 Ben-Zion Inditsky Ultra thin radiation management and distribution systems with hybrid optical waveguide
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Publication number Priority date Publication date Assignee Title
CN1138379A (zh) * 1993-12-21 1996-12-18 美国3M公司 反射式偏振显示器
US20040085749A1 (en) * 1999-02-23 2004-05-06 Parker Jeffery R. Transreflectors, transreflector systems and displays and methods of making transreflectors
JP2004151550A (ja) * 2002-10-31 2004-05-27 Seiko Epson Corp 電気光学装置及び電子機器
US20070212533A1 (en) * 2005-02-17 2007-09-13 Jones Clinton L Polymerizable oligomeric urethane compositions comprising nanoparticles
CN1885121A (zh) * 2005-06-24 2006-12-27 三星电子株式会社 液晶显示器

Also Published As

Publication number Publication date
JP2015507346A (ja) 2015-03-05
CN104303098A (zh) 2015-01-21
US9632353B2 (en) 2017-04-25
KR20140129156A (ko) 2014-11-06
TW201337360A (zh) 2013-09-16
EP2815270A4 (en) 2015-10-21
EP2815270A1 (en) 2014-12-24
CN104303098B (zh) 2018-06-29
US20150009648A1 (en) 2015-01-08
WO2013122730A1 (en) 2013-08-22

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MM4A Annulment or lapse of patent due to non-payment of fees