TWI461747B - A light diffusion sheet, a backlight unit using it, and a light diffusion sheet manufacturing method - Google Patents

A light diffusion sheet, a backlight unit using it, and a light diffusion sheet manufacturing method Download PDF

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Publication number
TWI461747B
TWI461747B TW101117824A TW101117824A TWI461747B TW I461747 B TWI461747 B TW I461747B TW 101117824 A TW101117824 A TW 101117824A TW 101117824 A TW101117824 A TW 101117824A TW I461747 B TWI461747 B TW I461747B
Authority
TW
Taiwan
Prior art keywords
sheet
fibers
light
base material
fiber
Prior art date
Application number
TW101117824A
Other languages
English (en)
Chinese (zh)
Other versions
TW201303381A (zh
Inventor
Takahiro Tsuji
Original Assignee
Keiwa Inc
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 Keiwa Inc filed Critical Keiwa Inc
Publication of TW201303381A publication Critical patent/TW201303381A/zh
Application granted granted Critical
Publication of TWI461747B publication Critical patent/TWI461747B/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
    • G02B5/021—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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
    • 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)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Laminated Bodies (AREA)
TW101117824A 2011-05-18 2012-05-18 A light diffusion sheet, a backlight unit using it, and a light diffusion sheet manufacturing method TWI461747B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011111920A JP5859224B2 (ja) 2011-05-18 2011-05-18 光拡散シート、これを用いたバックライトユニット及び光拡散シートの製造方法

Publications (2)

Publication Number Publication Date
TW201303381A TW201303381A (zh) 2013-01-16
TWI461747B true TWI461747B (zh) 2014-11-21

Family

ID=47153801

Family Applications (1)

Application Number Title Priority Date Filing Date
TW101117824A TWI461747B (zh) 2011-05-18 2012-05-18 A light diffusion sheet, a backlight unit using it, and a light diffusion sheet manufacturing method

Country Status (4)

Country Link
JP (1) JP5859224B2 (ko)
KR (1) KR101461503B1 (ko)
CN (1) CN102788310B (ko)
TW (1) TWI461747B (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106461820B (zh) * 2014-06-10 2020-01-07 木本股份有限公司 光扩散性片及包含该片材的背光装置
KR102265369B1 (ko) * 2017-06-06 2021-06-16 케이와 인코포레이티드 상부용 광 확산 시트 및 그를 구비한 백라이트 유닛

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1062785A (ja) * 1996-08-21 1998-03-06 Goyo Paper Working Co Ltd 集光性拡散板及びそれを用いたバックライト用照明パネル
TW200708778A (en) * 2005-08-30 2007-03-01 Mitsubishi Rayon Co Optical deflection sheet and method for manufacturing thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62112102A (ja) * 1985-11-12 1987-05-23 Dainippon Printing Co Ltd 反射防止光学フイルタ−
JPH08184704A (ja) * 1995-01-06 1996-07-16 Sekisui Chem Co Ltd 光制御シート
KR100662534B1 (ko) * 1999-07-15 2006-12-28 가부시키가이샤 도모에가와 세이시쇼 분체 단층 피막 형성방법
JPWO2003032074A1 (ja) * 2001-09-27 2005-01-27 株式会社ツジデン 光拡散フイルム
JP2004085626A (ja) * 2002-08-22 2004-03-18 Keiwa Inc 光学シート及びこれを用いたバックライトユニット
KR101082898B1 (ko) * 2005-05-25 2011-11-11 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
JP4270348B2 (ja) * 2006-08-02 2009-05-27 株式会社キョーカ 静電気植毛ガラス
US20080080056A1 (en) * 2006-08-29 2008-04-03 Micron Technology, Inc. Method and apparatus for reducing microlens surface reflection
JP2009009078A (ja) * 2007-05-31 2009-01-15 Dainippon Printing Co Ltd 光学部材、面光源装置および液晶表示装置
JP2010170508A (ja) * 2009-01-20 2010-08-05 Masahisa Shigematsu 鏡付きマウスパッド

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1062785A (ja) * 1996-08-21 1998-03-06 Goyo Paper Working Co Ltd 集光性拡散板及びそれを用いたバックライト用照明パネル
TW200708778A (en) * 2005-08-30 2007-03-01 Mitsubishi Rayon Co Optical deflection sheet and method for manufacturing thereof

Also Published As

Publication number Publication date
CN102788310B (zh) 2015-03-25
JP2012242565A (ja) 2012-12-10
TW201303381A (zh) 2013-01-16
KR20120129814A (ko) 2012-11-28
JP5859224B2 (ja) 2016-02-10
KR101461503B1 (ko) 2014-11-13
CN102788310A (zh) 2012-11-21

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