TW200717108A - Optical diffusion film and the face light source using it - Google Patents

Optical diffusion film and the face light source using it

Info

Publication number
TW200717108A
TW200717108A TW095132646A TW95132646A TW200717108A TW 200717108 A TW200717108 A TW 200717108A TW 095132646 A TW095132646 A TW 095132646A TW 95132646 A TW95132646 A TW 95132646A TW 200717108 A TW200717108 A TW 200717108A
Authority
TW
Taiwan
Prior art keywords
optical diffusion
diffusion film
light source
face light
asmax
Prior art date
Application number
TW095132646A
Other languages
English (en)
Chinese (zh)
Inventor
Akikazu Kikuchi
Hiromitsu Takahashi
Kozo Takahashi
Takayuki Kaneko
Original Assignee
Toray Industries
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 Toray Industries filed Critical Toray Industries
Publication of TW200717108A publication Critical patent/TW200717108A/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
    • G02B5/0257—Diffusing elements; Afocal elements characterised by the diffusing properties creating an anisotropic diffusion characteristic, i.e. distributing output differently in two perpendicular axes
    • 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
    • G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/10—Fibres of continuous length
    • B32B2305/18—Fabrics, textiles
TW095132646A 2005-09-06 2006-09-05 Optical diffusion film and the face light source using it TW200717108A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005257453 2005-09-06
JP2005302717 2005-10-18
JP2005333696 2005-11-18

Publications (1)

Publication Number Publication Date
TW200717108A true TW200717108A (en) 2007-05-01

Family

ID=37835725

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095132646A TW200717108A (en) 2005-09-06 2006-09-05 Optical diffusion film and the face light source using it

Country Status (3)

Country Link
KR (1) KR20080042882A (ko)
TW (1) TW200717108A (ko)
WO (1) WO2007029606A1 (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5394619B2 (ja) * 2007-07-04 2014-01-22 丸善石油化学株式会社 熱インプリント方法
WO2010126188A1 (ko) * 2009-04-29 2010-11-04 도레이새한 주식회사 엘시디 백라이트유니트용 광확산판
CN102692207B (zh) 2011-03-25 2014-07-30 财团法人工业技术研究院 量测方法与量测装置
DE102017003361B4 (de) * 2017-04-06 2021-09-30 Carl Freudenberg Kg Element zur Lichtmanipulation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3491467B2 (ja) * 1996-10-25 2004-01-26 松下電工株式会社 光拡散板およびその製造方法
JP3968155B2 (ja) * 1997-09-17 2007-08-29 大日本印刷株式会社 プリズムシート
JP4101339B2 (ja) * 1997-09-25 2008-06-18 大日本印刷株式会社 光拡散フィルム、その製造方法、拡散層付偏光板及び液晶表示装置
JP3931408B2 (ja) * 1997-12-25 2007-06-13 凸版印刷株式会社 防眩性ハードコートフィルム
JP3526810B2 (ja) * 2000-04-28 2004-05-17 小松精練株式会社 反射性材料およびその製造方法
JP2002107510A (ja) * 2000-09-27 2002-04-10 Keiwa Inc 異方性拡散シート及びこれを用いたバックライトユニット
JP2004004417A (ja) * 2002-04-18 2004-01-08 Nitto Denko Corp 光拡散性シート、光学素子および画像表示装置
JP2004087234A (ja) * 2002-08-26 2004-03-18 Daicel Chem Ind Ltd 面光源ユニット及びそれを用いた透過型表示装置
JP2004341244A (ja) * 2003-05-15 2004-12-02 Sony Corp 光拡散フィルム及びその製造方法

Also Published As

Publication number Publication date
KR20080042882A (ko) 2008-05-15
WO2007029606A1 (ja) 2007-03-15

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