KR20140049553A - 면발광 장치 - Google Patents

면발광 장치 Download PDF

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Publication number
KR20140049553A
KR20140049553A KR1020147003740A KR20147003740A KR20140049553A KR 20140049553 A KR20140049553 A KR 20140049553A KR 1020147003740 A KR1020147003740 A KR 1020147003740A KR 20147003740 A KR20147003740 A KR 20147003740A KR 20140049553 A KR20140049553 A KR 20140049553A
Authority
KR
South Korea
Prior art keywords
light
light source
plate
surface side
diffuser 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.)
Withdrawn
Application number
KR1020147003740A
Other languages
English (en)
Korean (ko)
Inventor
가즈히코 도유카
마사키 야마무로
히로키 마츠다
Original Assignee
쓰리엠 이노베이티브 프로퍼티즈 컴파니
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 쓰리엠 이노베이티브 프로퍼티즈 컴파니 filed Critical 쓰리엠 이노베이티브 프로퍼티즈 컴파니
Publication of KR20140049553A publication Critical patent/KR20140049553A/ko
Withdrawn legal-status Critical Current

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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
    • 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
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • 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
    • G02B6/0033—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
    • G02B6/0051—Diffusing 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
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity

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)
KR1020147003740A 2011-07-19 2012-07-19 면발광 장치 Withdrawn KR20140049553A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011158257A JP6207117B2 (ja) 2011-07-19 2011-07-19 面光源装置
JPJP-P-2011-158257 2011-07-19
PCT/US2012/047275 WO2013012974A1 (en) 2011-07-19 2012-07-19 Surface illuminant device

Publications (1)

Publication Number Publication Date
KR20140049553A true KR20140049553A (ko) 2014-04-25

Family

ID=46705023

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020147003740A Withdrawn KR20140049553A (ko) 2011-07-19 2012-07-19 면발광 장치

Country Status (7)

Country Link
US (1) US9423549B2 (cg-RX-API-DMAC7.html)
EP (1) EP2734877A1 (cg-RX-API-DMAC7.html)
JP (1) JP6207117B2 (cg-RX-API-DMAC7.html)
KR (1) KR20140049553A (cg-RX-API-DMAC7.html)
CN (1) CN103688202A (cg-RX-API-DMAC7.html)
TW (1) TWI574084B (cg-RX-API-DMAC7.html)
WO (1) WO2013012974A1 (cg-RX-API-DMAC7.html)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
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CN203365862U (zh) * 2013-07-29 2013-12-25 苏州艾尔迪电子有限公司 背光模组及液晶显示装置
JP2015088269A (ja) * 2013-10-29 2015-05-07 スリーエム イノベイティブ プロパティズ カンパニー 面光源装置、及び面光源装置の製造方法
DE102014003418B4 (de) 2014-03-13 2017-01-05 Carl Freudenberg Kg Element zur Lichtmanipulation
US10984735B2 (en) * 2015-04-17 2021-04-20 Nanosys, Inc. White point uniformity in display devices
DE102015106708B4 (de) * 2015-04-30 2017-12-21 Visteon Global Technologies, Inc. Vorrichtung zur Emission von Licht, insbesondere zur Erzeugung eines Bildes
WO2017031660A1 (en) * 2015-08-24 2017-03-02 3M Innovative Properties Company Method of making nonwoven diffuser elements
JP6459921B2 (ja) * 2015-11-19 2019-01-30 株式会社デンソー ヘッドアップディスプレイ装置
DE102017003361B4 (de) * 2017-04-06 2021-09-30 Carl Freudenberg Kg Element zur Lichtmanipulation
DE102017003362A1 (de) 2017-04-06 2018-10-11 Carl Freudenberg Kg Element zur Lichtmanipulation
DE102017215369A1 (de) * 2017-09-01 2019-03-07 Benecke-Kaliko Ag Lichtdurchlässige Mehrschichtverbundfolie
JP2020056952A (ja) * 2018-10-03 2020-04-09 ユニチカ株式会社 シート、照明装置、膜天井
JP2020129458A (ja) * 2019-02-07 2020-08-27 スリーエム イノベイティブ プロパティズ カンパニー バックライト、および液晶表示装置

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JP3492021B2 (ja) 1995-05-29 2004-02-03 日東電工株式会社 積層型光拡散板
JP3758708B2 (ja) 1995-05-31 2006-03-22 スリーエム カンパニー ライトボックス
JPH09304602A (ja) 1996-05-14 1997-11-28 Kuraray Co Ltd 光拡散シ−ト
JP3383260B2 (ja) * 1999-04-26 2003-03-04 日東電工株式会社 ニュートラル偏光板及び液晶表示装置
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JP2002303864A (ja) * 2001-04-03 2002-10-18 Nitto Denko Corp 照明装置及び液晶表示装置
JP4531290B2 (ja) * 2001-05-18 2010-08-25 大日本印刷株式会社 保護拡散フィルム、面光源装置及び液晶表示装置
WO2003005072A1 (en) * 2001-06-30 2003-01-16 Skc Co., Ltd. Light diffusing film
JP2004151707A (ja) 2002-10-11 2004-05-27 Yupo Corp 光反射体
JP2005050802A (ja) * 2003-07-16 2005-02-24 Sharp Corp 液晶表示装置、バックライト装置
KR20060016518A (ko) 2004-08-18 2006-02-22 삼성전자주식회사 표시장치
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JP5102955B2 (ja) * 2005-01-06 2012-12-19 株式会社ジロオコーポレートプラン 光拡散シート及びこれを用いたバックライトユニット
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EP2103972B1 (en) 2008-03-20 2014-04-23 3M Innovative Properties Company Light device comprising light guide
JP5493312B2 (ja) * 2008-08-22 2014-05-14 ソニー株式会社 面発光装置及び画像表示装置
WO2010126188A1 (ko) * 2009-04-29 2010-11-04 도레이새한 주식회사 엘시디 백라이트유니트용 광확산판
US8459857B2 (en) * 2010-04-26 2013-06-11 Mitsubishi Electric Corporation Planar light source device and display apparatus using the same

Also Published As

Publication number Publication date
JP2013025953A (ja) 2013-02-04
JP6207117B2 (ja) 2017-10-04
US9423549B2 (en) 2016-08-23
CN103688202A (zh) 2014-03-26
TWI574084B (zh) 2017-03-11
WO2013012974A1 (en) 2013-01-24
US20140254195A1 (en) 2014-09-11
TW201310138A (zh) 2013-03-01
EP2734877A1 (en) 2014-05-28

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Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20140213

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid