TW200834125A - Light-diffusion optical film and its production method, prism sheet, and surface light source device - Google Patents

Light-diffusion optical film and its production method, prism sheet, and surface light source device

Info

Publication number
TW200834125A
TW200834125A TW096147020A TW96147020A TW200834125A TW 200834125 A TW200834125 A TW 200834125A TW 096147020 A TW096147020 A TW 096147020A TW 96147020 A TW96147020 A TW 96147020A TW 200834125 A TW200834125 A TW 200834125A
Authority
TW
Taiwan
Prior art keywords
optical film
prism sheet
diffusion optical
light
transparent base
Prior art date
Application number
TW096147020A
Other languages
English (en)
Inventor
Tomoyoshi Yamashita
Yoshiyuki Okamoto
Tatsuo Shigeta
Kaku Shigeta
Original Assignee
Mitsubishi Rayon Co
Think Labs 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 Mitsubishi Rayon Co, Think Labs Kk filed Critical Mitsubishi Rayon Co
Publication of TW200834125A publication Critical patent/TW200834125A/zh

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
    • B29C59/046—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts for layered or coated substantially flat surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/222—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length characterised by the shape of 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
    • G02B5/021—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
    • G02B5/0221—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 an irregular 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
    • G02B5/0236—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
    • 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
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • B29L2011/005—Fresnel lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0083—Reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0056—Arrays characterized by the distribution or form of lenses arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Laminated Bodies (AREA)
  • Planar Illumination Modules (AREA)
TW096147020A 2006-12-08 2007-12-10 Light-diffusion optical film and its production method, prism sheet, and surface light source device TW200834125A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006332599 2006-12-08
JP2006332598 2006-12-08

Publications (1)

Publication Number Publication Date
TW200834125A true TW200834125A (en) 2008-08-16

Family

ID=39492199

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096147020A TW200834125A (en) 2006-12-08 2007-12-10 Light-diffusion optical film and its production method, prism sheet, and surface light source device

Country Status (3)

Country Link
JP (1) JPWO2008069324A1 (zh)
TW (1) TW200834125A (zh)
WO (1) WO2008069324A1 (zh)

Cited By (5)

* Cited by examiner, † Cited by third party
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CN102331592A (zh) * 2010-07-14 2012-01-25 鸿富锦精密工业（深圳）有限公司 光学膜制造装置和制造方法
TWI384289B (zh) * 2009-08-11 2013-02-01 Au Optronics Suzhou Corp Ltd 偏光板保護膜
TWI416172B (zh) * 2008-10-15 2013-11-21 Keiwa Inc An optical sheet and a backlight unit using the same
TWI468739B (zh) * 2008-10-21 2015-01-11 大日本印刷股份有限公司 光學片材
TWI510818B (zh) * 2014-07-18 2015-12-01

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JP5603541B2 (ja) * 2008-06-16 2014-10-08 三菱レイヨン株式会社 プリズムシート
JP5603542B2 (ja) * 2008-06-16 2014-10-08 三菱レイヨン株式会社 プリズムシート
JP5499567B2 (ja) * 2008-08-27 2014-05-21 凸版印刷株式会社 光学部品の製造方法、光学部品、および液晶表示ディスプレイユニット
JP5315963B2 (ja) * 2008-12-11 2013-10-16 凸版印刷株式会社 光拡散デバイス、バックライトユニットおよびディスプレイ装置
CN102017791B (zh) * 2009-05-12 2013-03-06 松下电器产业株式会社 板、发光装置及板的制造方法
CN102066989B (zh) * 2009-05-12 2014-03-05 松下电器产业株式会社 光学片、发光装置和光学片的制造方法
JP5450450B2 (ja) 2009-05-12 2014-03-26 パナソニック株式会社 シート及び発光装置
US8657472B2 (en) 2009-06-02 2014-02-25 3M Innovative Properties Company Light redirecting film and display system incorporating same
JP5630042B2 (ja) * 2010-03-17 2014-11-26 ソニー株式会社 拡散シートの製造方法
WO2012043828A1 (ja) 2010-09-30 2012-04-05 三菱レイヨン株式会社 微細凹凸構造を表面に有するモールド、微細凹凸構造を表面に有する物品の製造方法、物品の用途、虹彩色を発現する積層体および面発光体
TWI577523B (zh) 2011-06-17 2017-04-11 三菱麗陽股份有限公司 表面具有凹凸結構的模具、光學物品、其製造方法、面發光體用透明基材及面發光體
US20140146454A1 (en) * 2011-07-26 2014-05-29 Kimoto Co., Ltd. Electrostatic Capacitance Type Touch Panel and Anti-Glare Film
WO2013080794A1 (ja) 2011-11-29 2013-06-06 三菱レイヨン株式会社 光学フィルム、面発光体及び光学フィルムの製造方法
TWI472076B (zh) 2012-07-31 2015-02-01 Mitsubishi Rayon Co Ｅｌ元件用光取出膜、面發光體及ｅｌ元件用光取出膜的製造方法
JPWO2014157379A1 (ja) 2013-03-28 2017-02-16 三菱レイヨン株式会社 光学フィルム、光学フィルムの製造方法及び面発光体
EP2980610B1 (en) 2013-03-28 2019-04-17 Mitsubishi Chemical Corporation Optical film production method and optical film production device
WO2014163135A1 (ja) 2013-04-05 2014-10-09 三菱レイヨン株式会社 光学フィルム及び面発光体
JPWO2014189037A1 (ja) 2013-05-22 2017-02-23 三菱レイヨン株式会社 光取り出しフィルム及びその製造方法、並びに面発光体
EP3001227B1 (en) 2013-05-23 2018-11-28 Mitsubishi Chemical Corporation Optical film, method for producing optical film, and surface light-emitting body
WO2016038853A1 (ja) * 2014-09-08 2016-03-17 パナソニックＩｐマネジメント株式会社 反射防止部材およびその製造方法
KR101822706B1 (ko) * 2015-01-08 2018-01-30 삼성에스디아이 주식회사 광학시트 및 이를 포함하는 광학표시장치
TWI544253B (zh) * 2015-04-02 2016-08-01 奇美實業股份有限公司 具突出部之光透過性基材
JP6696710B2 (ja) * 2015-11-24 2020-05-20 スタンレー電気株式会社 下向きプリズム光学シートの製造方法
JP2020506417A (ja) * 2017-01-16 2020-02-27 スリーエム イノベイティブ プロパティズ カンパニー ファセット化された微細構造化表面
JP7147554B2 (ja) * 2018-12-27 2022-10-05 オムロン株式会社 発光表示装置、導光板の製造方法および遊技機
CN111796349A (zh) * 2020-07-02 2020-10-20 Tcl华星光电技术有限公司 一种视角扩散膜片及显示面板

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JP3913870B2 (ja) * 1997-08-26 2007-05-09 大日本印刷株式会社 光学シート、光学シート積層体、面光源装置、及び、透過型表示装置
JP3900611B2 (ja) * 1997-08-18 2007-04-04 カシオ計算機株式会社 電界発光素子及びその製造方法
JP2004136692A (ja) * 1998-03-27 2004-05-13 Nikon Corp 金属製第３成形型を大量に製造する方法、樹脂基板を製造する方法及び樹脂基板
JP2000227509A (ja) * 1999-02-08 2000-08-15 Nitto Denko Corp 光拡散層及び光学素子
JP2004045471A (ja) * 2002-07-09 2004-02-12 Dainippon Printing Co Ltd 光拡散フィルム及びその製造方法、面光源装置、並びに液晶表示装置
JPWO2005026612A1 (ja) * 2003-09-09 2006-11-24 三菱レイヨン株式会社 面光源装置及びそれに用いる導光体及びその製造方法
JPWO2005083475A1 (ja) * 2004-02-26 2007-11-22 タキロン株式会社 光拡散シート、及びこの光拡散シートを用いたバックライトユニット
JP2006007700A (ja) * 2004-06-29 2006-01-12 Alps Electric Co Ltd 微細凹凸面を有する樹脂製光学部品成形用型及びこれを用いた樹脂製光学部品の製造方法
JP2006084813A (ja) * 2004-09-16 2006-03-30 Mitsubishi Rayon Co Ltd 集光素子及びその製造方法並びにこの集光素子を用いた面光源装置
JP2006294256A (ja) * 2005-04-05 2006-10-26 Mitsubishi Rayon Co Ltd 面光源装置用導光体および面光源装置
JP2006330521A (ja) * 2005-05-27 2006-12-07 Nippon Zeon Co Ltd グリッド偏光フィルム、グリッド偏光フィルムの製造方法、光学積層体、光学積層体の製造方法、および液晶表示装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI416172B (zh) * 2008-10-15 2013-11-21 Keiwa Inc An optical sheet and a backlight unit using the same
TWI468739B (zh) * 2008-10-21 2015-01-11 大日本印刷股份有限公司 光學片材
TWI384289B (zh) * 2009-08-11 2013-02-01 Au Optronics Suzhou Corp Ltd 偏光板保護膜
CN102331592A (zh) * 2010-07-14 2012-01-25 鸿富锦精密工业（深圳）有限公司 光学膜制造装置和制造方法
TWI510818B (zh) * 2014-07-18 2015-12-01

Also Published As

Publication number Publication date
WO2008069324A1 (ja) 2008-06-12
JPWO2008069324A1 (ja) 2010-03-25

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