TWI440898B - 光擴散薄膜及裝有其之背光裝置 - Google Patents

光擴散薄膜及裝有其之背光裝置 Download PDF

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Publication number
TWI440898B
TWI440898B TW099143010A TW99143010A TWI440898B TW I440898 B TWI440898 B TW I440898B TW 099143010 A TW099143010 A TW 099143010A TW 99143010 A TW99143010 A TW 99143010A TW I440898 B TWI440898 B TW I440898B
Authority
TW
Taiwan
Prior art keywords
light
diffusing film
film
diffusing
resin
Prior art date
Application number
TW099143010A
Other languages
English (en)
Chinese (zh)
Other versions
TW201128241A (en
Inventor
Katsuaki Kuze
Kenji Kawai
Kazumoto Imai
Akihumi Yasui
Original Assignee
Toyo Boseki
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 Toyo Boseki filed Critical Toyo Boseki
Publication of TW201128241A publication Critical patent/TW201128241A/zh
Application granted granted Critical
Publication of TWI440898B publication Critical patent/TWI440898B/zh

Links

Classifications

    • 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
    • G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays

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)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Laminated Bodies (AREA)
TW099143010A 2009-12-10 2010-12-09 光擴散薄膜及裝有其之背光裝置 TWI440898B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009280277 2009-12-10
JP2009292741 2009-12-24

Publications (2)

Publication Number Publication Date
TW201128241A TW201128241A (en) 2011-08-16
TWI440898B true TWI440898B (zh) 2014-06-11

Family

ID=44145609

Family Applications (1)

Application Number Title Priority Date Filing Date
TW099143010A TWI440898B (zh) 2009-12-10 2010-12-09 光擴散薄膜及裝有其之背光裝置

Country Status (5)

Country Link
JP (1) JP5771963B2 (ja)
KR (1) KR101711689B1 (ja)
CN (1) CN102753999B (ja)
TW (1) TWI440898B (ja)
WO (1) WO2011071065A1 (ja)

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06324216A (ja) 1993-05-12 1994-11-25 Ohtsu Tire & Rubber Co Ltd :The 導光板及びその製造方法
JPH09159837A (ja) 1995-12-04 1997-06-20 Dainippon Printing Co Ltd 光拡散性導光板およびその製造方法
JPH11174211A (ja) * 1997-12-15 1999-07-02 Nitto Denko Corp 光拡散板、光学素子及び液晶表示装置
JP2000280267A (ja) * 1999-03-30 2000-10-10 Fuji Photo Film Co Ltd 光拡散体の製造方法
JP4410391B2 (ja) 2000-06-22 2010-02-03 ダイセル化学工業株式会社 積層フィルム
JP3544349B2 (ja) * 2000-09-27 2004-07-21 シャープ株式会社 液晶表示装置
JP2002221608A (ja) * 2001-01-26 2002-08-09 Daicel Chem Ind Ltd 光散乱シートおよび液晶表示装置
JP4181794B2 (ja) * 2001-06-01 2008-11-19 ダイセル化学工業株式会社 異方性拡散フィルム
JP2003156603A (ja) * 2001-11-20 2003-05-30 Nitto Denko Corp 光拡散板、その製造方法、光学素子および画像表示装置
JP2004333716A (ja) * 2003-05-06 2004-11-25 Tomoegawa Paper Co Ltd 光拡散層、光拡散フィルムおよび光拡散粘着シート
JP2005050654A (ja) 2003-07-28 2005-02-24 Clariant Internatl Ltd 面光源装置
JP2005099484A (ja) * 2003-09-25 2005-04-14 Toshiba Matsushita Display Technology Co Ltd 液晶表示装置
JP4843952B2 (ja) * 2004-02-04 2011-12-21 ソニー株式会社 光拡散シート複製用金型の製造方法、光拡散シート及びその製造方法、並びにスクリーン
WO2006014883A2 (en) * 2004-07-29 2006-02-09 Luminoz, Inc Optical display device with asymmetric viewing area
WO2006112325A1 (ja) * 2005-04-14 2006-10-26 Sharp Kabushiki Kaisha 液晶表示装置
JP2007178998A (ja) 2005-12-01 2007-07-12 Sekisui Film Kk 反射フィルム、反射積層フィルム及び反射積層板
KR101084903B1 (ko) * 2006-03-31 2011-11-17 도요 보세키 가부시키가이샤 광확산성 필름
JP4196306B2 (ja) * 2006-03-31 2008-12-17 東洋紡績株式会社 光拡散性フィルム
JP2008003245A (ja) * 2006-06-21 2008-01-10 Sharp Corp 液晶表示装置
JP2008064835A (ja) * 2006-09-05 2008-03-21 Toppan Printing Co Ltd 液晶映像表示装置
JP4257619B2 (ja) * 2007-01-31 2009-04-22 東洋紡績株式会社 表面光拡散性ポリエステルフィルム
JP4700722B2 (ja) 2007-02-28 2011-06-15 日東電工株式会社 バックライトシステムおよび粘着剤付光学シート
JP2007249210A (ja) * 2007-03-15 2007-09-27 Kureha Elastomer Co Ltd 表示画面用光学フィルター
JP4505755B2 (ja) * 2007-03-30 2010-07-21 オムロン株式会社 拡散板及び面光源装置
JP2008256814A (ja) * 2007-04-03 2008-10-23 Daicel Chem Ind Ltd 異方性拡散板及びそれを備えたバックライトユニット
JP2009025427A (ja) * 2007-07-18 2009-02-05 Nippon Zeon Co Ltd 多層フィルム及び発光デバイス
WO2009139402A1 (ja) * 2008-05-15 2009-11-19 東洋紡績株式会社 光反射用積層体

Also Published As

Publication number Publication date
TW201128241A (en) 2011-08-16
CN102753999A (zh) 2012-10-24
KR101711689B1 (ko) 2017-03-02
KR20120130079A (ko) 2012-11-28
JP5771963B2 (ja) 2015-09-02
JP2011150303A (ja) 2011-08-04
CN102753999B (zh) 2015-05-20
WO2011071065A1 (ja) 2011-06-16

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