KR102000510B1 - 광확산 필름의 제조 방법 - Google Patents

광확산 필름의 제조 방법 Download PDF

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Publication number
KR102000510B1
KR102000510B1 KR1020130047422A KR20130047422A KR102000510B1 KR 102000510 B1 KR102000510 B1 KR 102000510B1 KR 1020130047422 A KR1020130047422 A KR 1020130047422A KR 20130047422 A KR20130047422 A KR 20130047422A KR 102000510 B1 KR102000510 B1 KR 102000510B1
Authority
KR
South Korea
Prior art keywords
film
light
louver structure
active energy
energy ray
Prior art date
Application number
KR1020130047422A
Other languages
English (en)
Korean (ko)
Other versions
KR20130141363A (ko
Inventor
도모오 오루이
겐타로 구사마
겐타 도미오카
바쿠 가타기리
Original Assignee
린텍 가부시키가이샤
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.)
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Publication date
Application filed by 린텍 가부시키가이샤 filed Critical 린텍 가부시키가이샤
Publication of KR20130141363A publication Critical patent/KR20130141363A/ko
Application granted granted Critical
Publication of KR102000510B1 publication Critical patent/KR102000510B1/ko

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/023—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets
    • B29C55/026—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets of preformed plates or sheets coated with a solution, a dispersion or a melt of thermoplastic material
    • 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
    • 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
    • G02F1/133504—Diffusing, scattering, diffracting elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Elements Other Than Lenses (AREA)
KR1020130047422A 2012-06-15 2013-04-29 광확산 필름의 제조 방법 KR102000510B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012135601A JP6016470B2 (ja) 2012-06-15 2012-06-15 光拡散フィルムの製造方法
JPJP-P-2012-135601 2012-06-15

Publications (2)

Publication Number Publication Date
KR20130141363A KR20130141363A (ko) 2013-12-26
KR102000510B1 true KR102000510B1 (ko) 2019-07-16

Family

ID=49896313

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020130047422A KR102000510B1 (ko) 2012-06-15 2013-04-29 광확산 필름의 제조 방법

Country Status (4)

Country Link
JP (1) JP6016470B2 (ja)
KR (1) KR102000510B1 (ja)
CN (1) CN103513302B (ja)
TW (1) TWI613465B (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014156421A1 (ja) 2013-03-29 2014-10-02 リンテック株式会社 光拡散フィルムおよび光拡散フィルムの製造方法
US9753191B2 (en) 2013-03-29 2017-09-05 Lintec Corporation Light diffusion film and light diffusion film manufacturing method
EP2993497A4 (en) 2013-04-30 2016-12-07 Lintec Corp OPTICAL DIFFUSION FILM FOR AN INDICATION AND DISPLAY DEVICE THEREFOR
WO2014178230A1 (ja) 2013-04-30 2014-11-06 リンテック株式会社 ディスプレイ用光拡散フィルムおよびそれを用いた反射型表示装置
JP6288672B2 (ja) * 2014-03-28 2018-03-07 株式会社巴川製紙所 異方性光学フィルム
US10222522B2 (en) 2014-10-01 2019-03-05 Lintec Corporation Optical diffusion film and method for manufacturing optical diffusion film
JP6955885B2 (ja) 2017-03-31 2021-10-27 リンテック株式会社 プロジェクションスクリーン
JP6955884B2 (ja) 2017-03-31 2021-10-27 リンテック株式会社 プロジェクションスクリーン

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007293288A (ja) * 2006-03-30 2007-11-08 Sumitomo Chemical Co Ltd プロジェクションスクリーン用光制御膜積層体、その製造方法、及びプロジェクションスクリーン
JP2009237418A (ja) * 2008-03-28 2009-10-15 Nitto Denko Corp 指向性拡散フィルム、偏光板、液晶表示装置および指向性拡散フィルムの製造方法
JP2010231224A (ja) 2008-12-09 2010-10-14 Sony Corp 光学体およびその製造方法、窓材、ブラインド、ロールカーテン、ならびに障子
JP2012089782A (ja) 2010-10-22 2012-05-10 Dainippon Printing Co Ltd 導電性外光遮蔽材、導電性外光遮蔽シート体、画像表示装置前面用フィルタ、および画像表示装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2547416B2 (ja) * 1987-08-07 1996-10-23 日本板硝子株式会社 光制御板の製造方法
JPH0758361B2 (ja) 1987-06-11 1995-06-21 住友化学工業株式会社 光制御板およびその製造方法
US5767935A (en) * 1995-08-31 1998-06-16 Sumitomo Chemical Company, Limited Light control sheet and liquid crystal display device comprising the same
JPH09127331A (ja) * 1995-08-31 1997-05-16 Sumitomo Chem Co Ltd 光学フィルターおよび該フィルターを装着した液晶表示装置
KR20070035481A (ko) * 2004-03-16 2007-03-30 가부시키가이샤 도모에가와 세이시쇼 이방성 확산 매체 및 그 제조 방법
US20070110957A1 (en) * 2004-03-16 2007-05-17 Kensaku Higashi Anisotropic diffusing medium and production method therefor
JP4665457B2 (ja) 2004-03-31 2011-04-06 住友化学株式会社 プロジェクション用スクリーン
JP2006003506A (ja) * 2004-06-16 2006-01-05 Toppan Printing Co Ltd 拡散フィルム、偏光素子及び液晶表示素子
JP4928657B2 (ja) * 2007-12-27 2012-05-09 住友化学株式会社 光制御膜の製造装置及びその製造方法
JP5114348B2 (ja) * 2008-09-08 2013-01-09 日東電工株式会社 光拡散フィルムの製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007293288A (ja) * 2006-03-30 2007-11-08 Sumitomo Chemical Co Ltd プロジェクションスクリーン用光制御膜積層体、その製造方法、及びプロジェクションスクリーン
JP2009237418A (ja) * 2008-03-28 2009-10-15 Nitto Denko Corp 指向性拡散フィルム、偏光板、液晶表示装置および指向性拡散フィルムの製造方法
JP2010231224A (ja) 2008-12-09 2010-10-14 Sony Corp 光学体およびその製造方法、窓材、ブラインド、ロールカーテン、ならびに障子
JP2012089782A (ja) 2010-10-22 2012-05-10 Dainippon Printing Co Ltd 導電性外光遮蔽材、導電性外光遮蔽シート体、画像表示装置前面用フィルタ、および画像表示装置

Also Published As

Publication number Publication date
TWI613465B (zh) 2018-02-01
KR20130141363A (ko) 2013-12-26
JP2014002186A (ja) 2014-01-09
TW201350926A (zh) 2013-12-16
CN103513302A (zh) 2014-01-15
CN103513302B (zh) 2017-04-12
JP6016470B2 (ja) 2016-10-26

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