JP6207117B2 - 面光源装置 - Google Patents

面光源装置 Download PDF

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Publication number
JP6207117B2
JP6207117B2 JP2011158257A JP2011158257A JP6207117B2 JP 6207117 B2 JP6207117 B2 JP 6207117B2 JP 2011158257 A JP2011158257 A JP 2011158257A JP 2011158257 A JP2011158257 A JP 2011158257A JP 6207117 B2 JP6207117 B2 JP 6207117B2
Authority
JP
Japan
Prior art keywords
light
light source
plate
nonwoven fabric
source device
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
JP2011158257A
Other languages
English (en)
Japanese (ja)
Other versions
JP2013025953A (ja
JP2013025953A5 (cg-RX-API-DMAC7.html
Inventor
豊岡　和彦
和彦 豊岡
正樹 山室
正樹 山室
弘樹 松田
弘樹 松田
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
Priority to JP2011158257A priority Critical patent/JP6207117B2/ja
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Priority to PCT/US2012/047275 priority patent/WO2013012974A1/en
Priority to CN201280035518.8A priority patent/CN103688202A/zh
Priority to US14/233,569 priority patent/US9423549B2/en
Priority to KR1020147003740A priority patent/KR20140049553A/ko
Priority to EP12748597.7A priority patent/EP2734877A1/en
Priority to TW101126096A priority patent/TWI574084B/zh
Publication of JP2013025953A publication Critical patent/JP2013025953A/ja
Publication of JP2013025953A5 publication Critical patent/JP2013025953A5/ja
Application granted granted Critical
Publication of JP6207117B2 publication Critical patent/JP6207117B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G02B6/0025—Diffusing sheet or layer; Prismatic 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
    • 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
    • G02B6/0033—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)
JP2011158257A 2011-07-19 2011-07-19 面光源装置 Expired - Fee Related JP6207117B2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2011158257A JP6207117B2 (ja) 2011-07-19 2011-07-19 面光源装置
CN201280035518.8A CN103688202A (zh) 2011-07-19 2012-07-19 表面光源器件
US14/233,569 US9423549B2 (en) 2011-07-19 2012-07-19 Surface illuminant device
KR1020147003740A KR20140049553A (ko) 2011-07-19 2012-07-19 면발광 장치
PCT/US2012/047275 WO2013012974A1 (en) 2011-07-19 2012-07-19 Surface illuminant device
EP12748597.7A EP2734877A1 (en) 2011-07-19 2012-07-19 Surface illuminant device
TW101126096A TWI574084B (zh) 2011-07-19 2012-07-19 面發光裝置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011158257A JP6207117B2 (ja) 2011-07-19 2011-07-19 面光源装置

Publications (3)

Publication Number Publication Date
JP2013025953A JP2013025953A (ja) 2013-02-04
JP2013025953A5 JP2013025953A5 (cg-RX-API-DMAC7.html) 2014-09-04
JP6207117B2 true JP6207117B2 (ja) 2017-10-04

Family

ID=46705023

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011158257A Expired - Fee Related JP6207117B2 (ja) 2011-07-19 2011-07-19 面光源装置

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
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0894810A (ja) 1994-09-22 1996-04-12 Nitto Denko Corp 光拡散板
JP3491713B2 (ja) 1995-05-26 2004-01-26 日東電工株式会社 光拡散板
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
JP4359967B2 (ja) 1999-08-16 2009-11-11 日東紡績株式会社 光拡散用ガラス繊維シート及びそれを用いた照明装置
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
US7436469B2 (en) * 2004-10-15 2008-10-14 3M Innovative Properties Company Composite diffuser plates and direct-lit liquid crystal displays using same
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
US7660040B2 (en) * 2005-05-17 2010-02-09 E. I. Du Pont De Nemours And Company Diffuse reflective article
JP2007140495A (ja) * 2005-10-18 2007-06-07 Toray Ind Inc 光学シート支持体ならびにこれを用いた液晶ディスプレイ用バックライト、液晶ディスプレイおよび背面投射型ディスプレイ
KR20090074777A (ko) 2006-09-29 2009-07-07 이 아이 듀폰 디 네모아 앤드 캄파니 부직 시트를 포함하는 확산 반사기
SK51202007A3 (sk) 2006-10-24 2008-08-05 Sumitomo Chemical Company, Limited Prostriedok živice rozptyľujúcej svetlo
JP2008112025A (ja) 2006-10-31 2008-05-15 Toray Ind Inc 光学シート支持体ならびにこれを用いた液晶ディスプレイ用バックライト、液晶ディスプレイおよび背面投射型ディスプレイ
US8404337B2 (en) 2006-12-18 2013-03-26 E I Du Pont De Nemours And Company Diffuse reflector, diffuse reflective article, optical display, and method for producing a diffuse reflector
WO2009047933A1 (ja) 2007-10-09 2009-04-16 Sharp Kabushiki Kaisha バックライトの光制御層、バックライト、液晶表示装置、及び、バックライトの光制御層の製造方法
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
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
KR20140049553A (ko) 2014-04-25
TW201310138A (zh) 2013-03-01
EP2734877A1 (en) 2014-05-28

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