TWI372286B - Multifunctional optical multilayer film using light diffusers - Google Patents

Multifunctional optical multilayer film using light diffusers

Info

Publication number
TWI372286B
TWI372286B TW096128523A TW96128523A TWI372286B TW I372286 B TWI372286 B TW I372286B TW 096128523 A TW096128523 A TW 096128523A TW 96128523 A TW96128523 A TW 96128523A TW I372286 B TWI372286 B TW I372286B
Authority
TW
Taiwan
Prior art keywords
multilayer film
optical multilayer
light diffusers
multifunctional optical
multifunctional
Prior art date
Application number
TW096128523A
Other languages
English (en)
Other versions
TW200841086A (en
Inventor
Kwang Won Kim
Yong Wan Park
Yong Sung Kim
Young Jin Kim
Original Assignee
Sangbo Corp
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 Sangbo Corp filed Critical Sangbo Corp
Publication of TW200841086A publication Critical patent/TW200841086A/zh
Application granted granted Critical
Publication of TWI372286B publication Critical patent/TWI372286B/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
    • G02B5/0231—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 microprismatic or micropyramidal shape
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • 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
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • 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
    • 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
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Laminated Bodies (AREA)
  • Liquid Crystal (AREA)
TW096128523A 2007-04-13 2007-08-03 Multifunctional optical multilayer film using light diffusers TWI372286B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070036480A KR100895335B1 (ko) 2007-04-13 2007-04-13 광확산제를 이용한 광학 적층 필름

Publications (2)

Publication Number Publication Date
TW200841086A TW200841086A (en) 2008-10-16
TWI372286B true TWI372286B (en) 2012-09-11

Family

ID=39984637

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096128523A TWI372286B (en) 2007-04-13 2007-08-03 Multifunctional optical multilayer film using light diffusers

Country Status (4)

Country Link
JP (1) JP2008262147A (zh)
KR (1) KR100895335B1 (zh)
CN (1) CN101285961B (zh)
TW (1) TWI372286B (zh)

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KR101009709B1 (ko) * 2008-10-15 2011-01-19 주식회사 엘엠에스 확산비드가 구비된 광학소자, 이를 갖는 백라이트 유닛 및 액정표시장치
WO2011035418A1 (en) * 2009-09-23 2011-03-31 Peter Dobrich Enhanced display
KR101184449B1 (ko) * 2009-12-28 2012-09-21 제일모직주식회사 패턴 도광판, 그 제조방법 및 이를 이용한 액정표시장치 백라이트 유닛
CN101852948B (zh) * 2010-04-23 2011-07-27 上海凯鑫森产业投资控股有限公司 一种用于背光模块的光学复合片
KR101149848B1 (ko) 2010-05-18 2012-05-25 주식회사 세일하이텍 Ｌｅｄ 백라이트 유닛용 집광필름
CN102466829A (zh) * 2010-11-11 2012-05-23 株式会社常宝 具有多个曲率的光学片
CN102207566B (zh) * 2011-07-01 2013-01-09 上海凯鑫森产业投资控股有限公司 棱镜片、具备上述棱镜片的背光模组及液晶显示装置
US9857502B2 (en) 2011-09-09 2018-01-02 Lg Innotek Co., Ltd. Method of fabricating film of substrate and film, backlight unit and liquid crystal display using the same
JP5959821B2 (ja) * 2011-09-30 2016-08-02 恵和株式会社 プリズムシート及びこれを用いたバックライトユニット
CN103123069B (zh) * 2011-11-18 2017-04-05 上海中航光电子有限公司 背光模组及液晶显示装置
KR101330759B1 (ko) * 2012-05-14 2013-11-18 엘지이노텍 주식회사 대면적 평판 조명 장치 및 그 제조방법, 이를 포함하는 액정표시장치
CN103939847B (zh) * 2013-04-11 2016-12-28 上海中航光电子有限公司 一种扩散片及其背光模组
KR102101204B1 (ko) * 2013-11-29 2020-05-15 엘지디스플레이 주식회사 액정표시장치 및 그 제조방법
JP5767418B1 (ja) * 2014-02-19 2015-08-19 恵和株式会社 導光シート、バックライトユニット及び携帯型端末
JP6679930B2 (ja) 2014-03-27 2020-04-15 東レ株式会社 積層フィルム
CN104483728A (zh) * 2014-11-21 2015-04-01 常州市诺金精密机械有限公司 多功能多层扩散板
KR102207876B1 (ko) 2014-11-25 2021-01-26 동우 화인켐 주식회사 권취 가능한 광학 다층필름
CN104456312B (zh) * 2014-12-02 2016-08-24 京东方科技集团股份有限公司 一种背光源、显示面板和显示装置
CN107561607A (zh) * 2016-07-01 2018-01-09 惠州市创亿达新材料有限公司 一种光学功能板
CN107561606A (zh) * 2016-07-01 2018-01-09 惠州市创亿达新材料有限公司 用于背光模组结构中的光学功能板
CN106908875B (zh) * 2017-03-30 2019-09-10 张家港康得新光电材料有限公司 增亮膜、背光模组与显示装置
CN111095058B (zh) * 2019-11-20 2022-02-08 深圳市汇顶科技股份有限公司 屏下指纹识别装置及系统、导光板组件和液晶显示屏幕
WO2021097707A1 (zh) * 2019-11-20 2021-05-27 深圳市汇顶科技股份有限公司 屏下指纹识别装置及系统、背光模组和液晶显示屏
CN111158190A (zh) * 2020-01-19 2020-05-15 业成科技（成都）有限公司 背光模组及其制备方法、液晶显示模组和智能终端

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Also Published As

Publication number Publication date
CN101285961A (zh) 2008-10-15
KR100895335B1 (ko) 2009-05-07
JP2008262147A (ja) 2008-10-30
TW200841086A (en) 2008-10-16
CN101285961B (zh) 2011-11-16
KR20080092729A (ko) 2008-10-16

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