TW200720713A - Prism sheet and manufacturing method of the same, and surface light-source device - Google Patents

Prism sheet and manufacturing method of the same, and surface light-source device

Info

Publication number
TW200720713A
TW200720713A TW095138192A TW95138192A TW200720713A TW 200720713 A TW200720713 A TW 200720713A TW 095138192 A TW095138192 A TW 095138192A TW 95138192 A TW95138192 A TW 95138192A TW 200720713 A TW200720713 A TW 200720713A
Authority
TW
Taiwan
Prior art keywords
prism
manufacturing
surface part
rough surface
same
Prior art date
Application number
TW095138192A
Other languages
English (en)
Other versions
TWI319816B (zh
Inventor
Tomoyoshi Yamashita
Yoshiaki Murayama
Haruko Ootsuki
Original Assignee
Mitsubishi Rayon Co
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 filed Critical Mitsubishi Rayon Co
Publication of TW200720713A publication Critical patent/TW200720713A/zh
Application granted granted Critical
Publication of TWI319816B publication Critical patent/TWI319816B/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
    • G02B5/0273—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
    • 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
    • G02B5/021—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
    • G02B5/0257—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
    • G02B5/04—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
    • G02B6/005—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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)
TW095138192A 2005-10-17 2006-10-17 Prism sheet and manufacturing method of the same, and surface light-source device TW200720713A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005301631 2005-10-17
JP2006026877 2006-02-03

Publications (2)

Publication Number Publication Date
TW200720713A true TW200720713A (en) 2007-06-01
TWI319816B TWI319816B (zh) 2010-01-21

Family

ID=37962430

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095138192A TW200720713A (en) 2005-10-17 2006-10-17 Prism sheet and manufacturing method of the same, and surface light-source device

Country Status (6)

Country Link
US (1) US20090147179A1 (zh)
JP (1) JPWO2007046337A1 (zh)
KR (1) KR100937292B1 (zh)
CN (1) CN101292178B (zh)
TW (1) TW200720713A (zh)
WO (1) WO2007046337A1 (zh)

Cited By (1)

* 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

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JPWO2007129609A1 (ja) * 2006-05-02 2009-09-17 三菱レイヨン株式会社 プリズムシート付き液晶表示素子及びそれを用いた液晶表示装置
JP4761472B2 (ja) * 2007-03-07 2011-08-31 三菱レイヨン株式会社 面光源装置用導光体及びその製造方法並びに面光源装置
KR101362729B1 (ko) * 2007-05-08 2014-02-12 삼성디스플레이 주식회사 광학 시트, 이의 제조 방법 및 이를 갖는 표시 장치
JP4781319B2 (ja) * 2007-06-21 2011-09-28 恵和株式会社 光学シート、光学シートの製造方法、およびバックライトユニット
US20100247866A1 (en) * 2007-09-27 2010-09-30 Koji Nakahata Uneven surface film and light diffusive sheet
KR100914997B1 (ko) * 2007-12-05 2009-09-02 주식회사 상보 패턴 가이드 롤 형성방법 및 프리즘 시트 제조 방법, 그에의해 형성된 프리즘 시트
US20090147361A1 (en) * 2007-12-07 2009-06-11 3M Innovative Properties Company Microreplicated films having diffractive features on macro-scale features
KR100991814B1 (ko) * 2007-12-13 2010-11-04 미래나노텍(주) 광학 시트 및 상기 광학 시트가 구비된 백라이트 어셈블리
WO2009077979A1 (en) * 2007-12-18 2009-06-25 Koninklijke Philips Electronics N.V. Illumination system, luminaire and backlighting unit
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KR100988463B1 (ko) * 2008-03-03 2010-10-20 주식회사 엘지화학 광학 필름 및 그 제조 방법
JP5223408B2 (ja) * 2008-03-26 2013-06-26 凸版印刷株式会社 光学シート及びバックライトユニット並びにディスプレイ装置
KR100988621B1 (ko) 2008-05-07 2010-10-20 엘지전자 주식회사 광 파이프 및 이를 구비한 조명장치
KR100988623B1 (ko) 2008-05-08 2010-10-20 엘지전자 주식회사 광 파이프 및 이를 구비한 조명장치
EP2141521A3 (en) * 2008-05-15 2010-03-03 LG Electronics Inc. Light pipe and illuminating device having the same
US8075167B2 (en) 2008-05-20 2011-12-13 Lg Electronics Inc. Optical film and illuminating device having the same
JP5585806B2 (ja) * 2008-07-22 2014-09-10 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
KR100898100B1 (ko) * 2008-07-29 2009-05-18 이대환 프리즘 시트
TW201017280A (en) * 2008-10-28 2010-05-01 Shiang-Lin Liao Substrate-free optical film
TWM353379U (en) * 2008-11-03 2009-03-21 Nano Prec Corp Backlight module
WO2010090996A1 (en) * 2009-02-09 2010-08-12 3M Innovative Properties Company Simplified edge-lit backlight system
US20100237539A1 (en) * 2009-03-20 2010-09-23 Chang-Chih Sung Manufacturing method and apparatus for optical sheet
JP5483676B2 (ja) * 2009-03-31 2014-05-07 株式会社きもと プリズムシート及びこれを用いたバックライト
WO2010124028A2 (en) * 2009-04-21 2010-10-28 Vasylyev Sergiy V Light collection and illumination systems employing planar waveguide
JP5437352B2 (ja) * 2009-04-27 2014-03-12 株式会社エンプラス 光束制御部材
US8456586B2 (en) * 2009-06-11 2013-06-04 Apple Inc. Portable computer display structures
KR100966640B1 (ko) * 2009-07-01 2010-06-29 주식회사 엘엠에스 통합형 광학 시트 및 이를 포함하는 광학장치
JP5482114B2 (ja) * 2009-11-04 2014-04-23 凸版印刷株式会社 光学シート、バックライトユニット及びディスプレイ装置
US8743309B2 (en) 2009-11-10 2014-06-03 Apple Inc. Methods for fabricating display structures
CN102073078B (zh) * 2009-11-18 2013-10-16 惠和株式会社 光学薄片以及使用它的背光单元
TW201122651A (en) * 2009-12-24 2011-07-01 Hon Hai Prec Ind Co Ltd Manufacturing method of brightness enhance film and roll used by
CN102109711A (zh) * 2009-12-25 2011-06-29 鸿富锦精密工业（深圳）有限公司 增亮膜制造方法及其采用的滚压件
US8632196B2 (en) * 2010-03-03 2014-01-21 Cree, Inc. LED lamp incorporating remote phosphor and diffuser with heat dissipation features
US10359151B2 (en) 2010-03-03 2019-07-23 Ideal Industries Lighting Llc Solid state lamp with thermal spreading elements and light directing optics
KR101817373B1 (ko) * 2010-03-17 2018-01-10 미쯔비시 케미컬 주식회사 면광원 장치, 그것에 이용하는 도광체 및 그의 제조방법
US20160067931A1 (en) * 2010-03-26 2016-03-10 Ubright Optronics Corporation Optical substrates having light collimating and diffusion structures
US20110242850A1 (en) * 2010-04-06 2011-10-06 Skc Haas Display Films Co., Ltd. Double-sided light guide plate manufactured with micro-patterned carrier
JP5621321B2 (ja) * 2010-05-24 2014-11-12 大日本印刷株式会社 光学シート、面光源装置、表示装置
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Cited By (1)

* 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

Also Published As

Publication number Publication date
JPWO2007046337A1 (ja) 2009-04-23
CN101292178B (zh) 2011-01-26
KR100937292B1 (ko) 2010-01-18
US20090147179A1 (en) 2009-06-11
TWI319816B (zh) 2010-01-21
KR20080057353A (ko) 2008-06-24
WO2007046337A1 (ja) 2007-04-26
CN101292178A (zh) 2008-10-22

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