TW200602758A - Light control film and backlight device using it - Google Patents

Light control film and backlight device using it

Info

Publication number
TW200602758A
TW200602758A TW094106310A TW94106310A TW200602758A TW 200602758 A TW200602758 A TW 200602758A TW 094106310 A TW094106310 A TW 094106310A TW 94106310 A TW94106310 A TW 94106310A TW 200602758 A TW200602758 A TW 200602758A
Authority
TW
Taiwan
Prior art keywords
light control
control film
backlight device
section
film
Prior art date
Application number
TW094106310A
Other languages
English (en)
Chinese (zh)
Other versions
TWI361933B (enExample
Inventor
Hideki Etori
Original Assignee
Kimoto Kk
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 Kimoto Kk filed Critical Kimoto Kk
Publication of TW200602758A publication Critical patent/TW200602758A/zh
Application granted granted Critical
Publication of TWI361933B publication Critical patent/TWI361933B/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
    • G02B5/0273—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
    • 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
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • 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
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0215—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having a regular structure
    • 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
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0226—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures having particles on the surface
    • 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
    • G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
    • 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
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
TW094106310A 2004-03-03 2005-03-02 Light control film and backlight device using it TW200602758A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004059603 2004-03-03
JP2004059602 2004-03-03

Publications (2)

Publication Number Publication Date
TW200602758A true TW200602758A (en) 2006-01-16
TWI361933B TWI361933B (enExample) 2012-04-11

Family

ID=34921665

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094106310A TW200602758A (en) 2004-03-03 2005-03-02 Light control film and backlight device using it

Country Status (5)

Country Link
US (1) US7481564B2 (enExample)
JP (2) JP5090730B2 (enExample)
KR (1) KR100955170B1 (enExample)
TW (1) TW200602758A (enExample)
WO (1) WO2005085914A1 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7320823B2 (en) * 2006-02-14 2008-01-22 Kimoto Co., Ltd. Light diffusing body and a transmission type screen
EP2049515B1 (en) 2006-07-14 2011-01-26 ChemoCentryx, Inc. Triazolyl pyridyl benzenesulfonamides as ccr2 or ccr9 modulators for the treatment of atherosclerosis
KR100847306B1 (ko) 2007-02-14 2008-07-21 삼성전자주식회사 반도체 장치 및 이의 제조 방법
KR100905241B1 (ko) * 2007-04-13 2009-07-01 엘지전자 주식회사 복수의 구조체를 포함하는 광학 필름 및 이를 포함하는백라이트 유닛
CN101765792B (zh) * 2007-09-27 2014-12-31 木本股份有限公司 表面凹凸膜及光扩散性片
JP5098571B2 (ja) * 2007-10-25 2012-12-12 大日本印刷株式会社 光学積層体、偏光板及び画像表示装置
CN102072433B (zh) * 2009-11-23 2012-11-21 群康科技(深圳)有限公司 背光模组及其光学板
WO2011074647A1 (ja) * 2009-12-17 2011-06-23 株式会社 きもと 光拡散性シート及びこれを用いたバックライト
US9519085B2 (en) 2009-12-17 2016-12-13 Kimoto Co., Ltd. Light diffusing sheet and backlight using same
JP2013250413A (ja) * 2012-05-31 2013-12-12 Toppan Printing Co Ltd 光学シートおよびその製造方法、光学シートを用いたｅｌ素子およびそのｅｌ素子を備えた照明装置
JP6382491B2 (ja) * 2013-06-27 2018-08-29 住友化学株式会社 タッチパネル及びそれを備える画像表示装置
JP5886338B2 (ja) * 2014-02-21 2016-03-16 住友化学株式会社 偏光板、光学部材セット及びタッチ入力式画像表示装置
KR20190119432A (ko) * 2018-04-12 2019-10-22 삼성전자주식회사 표시 장치용 윈도우 및 그 제조 방법과 표시 장치
JP7406773B2 (ja) 2019-08-30 2023-12-28 タツタ電線株式会社 光ファイバ

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JPH07198911A (ja) * 1994-01-05 1995-08-01 Sekisui Chem Co Ltd 面光源装置用光線制御シート
JP2742880B2 (ja) 1994-08-12 1998-04-22 大日本印刷株式会社 面光源、それを用いた表示装置、及びそれらに用いる光拡散シート
JP3790571B2 (ja) 1995-11-06 2006-06-28 株式会社きもと 光拡散性シートおよびそれを用いた液晶ディスプレイ用バックライトユニット
JPH1039118A (ja) * 1996-07-19 1998-02-13 Toray Ind Inc 光線指向性化シートおよびそれを用いた指向性面状光源
US5995288A (en) 1997-04-22 1999-11-30 Dai Nippon Printing Co., Ltd. Optical sheet optical sheet lamination light source device, and light-transmissive type display apparatus
JP3968155B2 (ja) * 1997-09-17 2007-08-29 大日本印刷株式会社 プリズムシート
JP3475797B2 (ja) * 1998-07-28 2003-12-08 松下電工株式会社 光拡散板の製造方法
JP3346539B2 (ja) * 1999-03-02 2002-11-18 大日本印刷株式会社 フィルムレンズ及び面光源
JP2001305315A (ja) * 2000-02-14 2001-10-31 Fuji Photo Film Co Ltd 光拡散板および液晶表示装置ならびにリアプロジェクタ装置
JP2001305306A (ja) * 2000-02-14 2001-10-31 Fuji Photo Film Co Ltd コリメート板および照明装置ならびに液晶表示装置
JP2001281558A (ja) * 2000-03-31 2001-10-10 Asahi Optical Co Ltd 照明光学系及び照明レンズ
JP4408166B2 (ja) * 2000-04-27 2010-02-03 大日本印刷株式会社 指向性拡散フィルム及びその製造方法、面光源装置及び液晶表示装置
US6491481B1 (en) * 2000-10-31 2002-12-10 Eastman Kodak Company Method of making a precision microlens mold and a microlens mold
JP4400845B2 (ja) 2001-03-02 2010-01-20 三菱レイヨン株式会社 光拡散シートおよびそれを用いた映像表示素子、面光源装置
JP2002328209A (ja) 2001-04-26 2002-11-15 Nippon Sheet Glass Co Ltd 光散乱反射基板及びその製造方法
US6846098B2 (en) * 2002-05-16 2005-01-25 Eastman Kodak Company Light diffuser with variable diffusion
US7260323B2 (en) * 2002-06-12 2007-08-21 Eastman Kodak Company Imaging using silver halide films with micro-lens capture, scanning and digital reconstruction
JP2004037520A (ja) 2002-06-28 2004-02-05 Hitachi Chem Co Ltd 表面凹凸形成方法、それにより得られる光学フィルム及び拡散反射板並びに拡散反射板の製造方法
JP2004034520A (ja) * 2002-07-03 2004-02-05 Ricoh Co Ltd 画像形成装置
JP2004216208A (ja) * 2003-01-09 2004-08-05 Alps Electric Co Ltd 反射体の製造方法及び反射体並びに液晶表示装置

Also Published As

Publication number Publication date
KR100955170B1 (ko) 2010-04-29
JP2011081389A (ja) 2011-04-21
WO2005085914A1 (ja) 2005-09-15
JPWO2005085914A1 (ja) 2008-01-24
JP5466617B2 (ja) 2014-04-09
US20070171654A1 (en) 2007-07-26
KR20070015390A (ko) 2007-02-02
TWI361933B (enExample) 2012-04-11
US7481564B2 (en) 2009-01-27
JP5090730B2 (ja) 2012-12-05

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees