CN1947034B - 光学片材、背光装置和液晶显示设备 - Google Patents

光学片材、背光装置和液晶显示设备 Download PDF

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Publication number
CN1947034B
CN1947034B CN2005800122489A CN200580012248A CN1947034B CN 1947034 B CN1947034 B CN 1947034B CN 2005800122489 A CN2005800122489 A CN 2005800122489A CN 200580012248 A CN200580012248 A CN 200580012248A CN 1947034 B CN1947034 B CN 1947034B
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CN
China
Prior art keywords
optical sheet
light
main surface
lens elements
sheet
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Expired - Fee Related
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CN2005800122489A
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English (en)
Chinese (zh)
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CN1947034A (zh
Inventor
有马光雄
清水纯
小田桐广和
太田荣治
小幡庆
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Sony Corp
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Sony Corp
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Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of CN1947034A publication Critical patent/CN1947034A/zh
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • G02B5/0273Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278Diffusing elements; Afocal elements characterized by the use used in transmission
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00Simple or compound lenses
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00Simple or compound lenses
    • G02B3/02Simple or compound lenses with non-spherical faces
    • G02B3/06Simple or compound lenses with non-spherical faces with cylindrical or toric faces
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • G02B5/0268Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • G02B5/0273Diffusing elements; Afocal elements characterized by the use
    • G02B5/0294Diffusing elements; Afocal elements characterized by the use adapted to provide an additional optical effect, e.g. anti-reflection or filter
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133606Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133504Diffusing, scattering, diffracting elements
    • G02F1/133507Films for enhancing the luminance
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133606Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
  • Lenses (AREA)
CN2005800122489A 2004-09-30 2005-09-30 光学片材、背光装置和液晶显示设备 Expired - Fee Related CN1947034B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP288518/2004 2004-09-30
JP2004288518 2004-09-30
PCT/JP2005/018588 WO2006036032A1 (ja) 2004-09-30 2005-09-30 光学シート、バックライトおよび液晶表示装置

Publications (2)

Publication Number Publication Date
CN1947034A CN1947034A (zh) 2007-04-11
CN1947034B true CN1947034B (zh) 2010-09-01

Family

ID=36119144

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2005800122489A Expired - Fee Related CN1947034B (zh) 2004-09-30 2005-09-30 光学片材、背光装置和液晶显示设备

Country Status (7)

Country Link
US (1) US7695167B2 (enExample)
EP (1) EP1795923A4 (enExample)
JP (1) JP5272309B2 (enExample)
KR (1) KR101090387B1 (enExample)
CN (1) CN1947034B (enExample)
TW (1) TW200632466A (enExample)
WO (1) WO2006036032A1 (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5168813B2 (ja) * 2006-04-14 2013-03-27 ソニー株式会社 光学シート、バックライト装置および液晶表示装置
JP4957195B2 (ja) * 2006-11-09 2012-06-20 ソニー株式会社 液晶表示装置
JP4933322B2 (ja) * 2007-03-28 2012-05-16 住友化学株式会社 光拡散板及び面光源装置並びに液晶表示装置
KR100895489B1 (ko) * 2007-06-08 2009-05-06 주식회사 세스코 해충 포획장치
KR101441306B1 (ko) * 2007-11-13 2014-09-19 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 포함하는 액정 표시 장치
JP2009276616A (ja) * 2008-05-15 2009-11-26 Dainippon Printing Co Ltd 光学シート、面光源装置、透過型表示装置
JP5603542B2 (ja) * 2008-06-16 2014-10-08 三菱レイヨン株式会社 プリズムシート
JP5603541B2 (ja) * 2008-06-16 2014-10-08 三菱レイヨン株式会社 プリズムシート
KR20100137894A (ko) 2009-06-23 2010-12-31 삼성전자주식회사 확산판 및 이를 포함하는 표시 장치
JP2011028033A (ja) * 2009-07-27 2011-02-10 Sumitomo Chemical Co Ltd 光制御板、面光源装置及び透過型画像表示装置
WO2012009506A2 (en) * 2010-07-15 2012-01-19 American Panel Corporation Shaped reflectors for enhanced optical diffusion in backlight assemblies
KR20120007944A (ko) * 2010-07-15 2012-01-25 주식회사 엘지화학 광학 성능이 향상된 광학필름 및 이를 포함하는 백라이트 유닛
KR101265312B1 (ko) 2011-03-15 2013-05-16 주식회사 엘지화학 마이크로 렌즈 어레이 시트 및 이를 포함하는 백라이트 유닛
US8926161B2 (en) * 2011-05-11 2015-01-06 Sharp Kabushiki Kaisha Display apparatus, multi-display system, and method for manufacturing display apparatus
US20150036213A1 (en) * 2011-06-23 2015-02-05 Hyunin CHUNG Integral Photography Sheet by Total Reflection
CN103502849A (zh) * 2012-01-13 2014-01-08 Lg化学株式会社 微透镜阵列片和包括该微透镜阵列片的背光单元
CN103412353A (zh) * 2013-08-26 2013-11-27 中国科学院光电技术研究所 一种基于两面图形结构的短焦距衍射透镜
US10509252B2 (en) * 2015-06-04 2019-12-17 Mitsubishi Gas Chemical Company, Inc. Polymer film, and light diffusion film comprising same for display
JP6588263B2 (ja) * 2015-07-16 2019-10-09 デクセリアルズ株式会社 拡散板、表示装置、投影装置及び照明装置
US20240027656A1 (en) * 2020-12-23 2024-01-25 Kyocera Corporation Diffuser, light-emitting device, and sensor module
TW202514149A (zh) * 2023-08-08 2025-04-01 日商惠和股份有限公司 光學元件

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US4924356A (en) * 1988-12-07 1990-05-08 General Electric Company Illumination system for a display device
CN1442749A (zh) * 2002-01-24 2003-09-17 大日本印刷株式会社 透射式投影屏及使用该投影屏的透射式投影显示装置

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Publication number Priority date Publication date Assignee Title
JPH06301035A (ja) * 1993-04-16 1994-10-28 Dainippon Printing Co Ltd 面光源、それを用いた表示装置、及びそれらに用いるレンズシート
KR0168879B1 (ko) * 1992-12-25 1999-04-15 기따지마 요시또시 렌티큘러 렌즈, 면광원 및 액정 표시 장치
JP2951525B2 (ja) 1993-11-29 1999-09-20 大日本印刷株式会社 面光源
JP3339765B2 (ja) * 1995-06-29 2002-10-28 三菱レイヨン株式会社 背面投射型スクリーン
JPH0921907A (ja) * 1995-07-07 1997-01-21 Shimura Kaken Kogyo Kk プリズムシート及びそれを用いた照光装置
US6099135A (en) * 1996-02-01 2000-08-08 Mitsubishi Rayon Co., Ltd. Surface light source element and liquid crystal display device, sign device and traffic control sign device using same
JPH10283818A (ja) 1997-04-02 1998-10-23 Taiho Ind Co Ltd 面発光体及びその輝度均一化方法
US7125131B2 (en) * 2002-12-06 2006-10-24 General Electric Company Brightness enhancement film with improved view angle

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
US4924356A (en) * 1988-12-07 1990-05-08 General Electric Company Illumination system for a display device
CN1442749A (zh) * 2002-01-24 2003-09-17 大日本印刷株式会社 透射式投影屏及使用该投影屏的透射式投影显示装置

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JP特开平10-283818A 1998.10.23
JP特开平6-301035A 1994.10.28
JP特开平7-151909A 1995.06.16
JP特开平9-15730A 1997.01.17
JP特开平9-21907A 1997.01.21

Also Published As

Publication number Publication date
JP5272309B2 (ja) 2013-08-28
US7695167B2 (en) 2010-04-13
TW200632466A (en) 2006-09-16
KR20070061478A (ko) 2007-06-13
TWI329766B (enExample) 2010-09-01
KR101090387B1 (ko) 2011-12-07
CN1947034A (zh) 2007-04-11
EP1795923A1 (en) 2007-06-13
US20070242478A1 (en) 2007-10-18
JPWO2006036032A1 (ja) 2008-05-15
EP1795923A4 (en) 2010-10-06
WO2006036032A1 (ja) 2006-04-06

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Granted publication date: 20100901