TW200638128A - Optical sheet, backlight, and liquid crystal display device - Google Patents

Optical sheet, backlight, and liquid crystal display device

Info

Publication number
TW200638128A
TW200638128A TW094134420A TW94134420A TW200638128A TW 200638128 A TW200638128 A TW 200638128A TW 094134420 A TW094134420 A TW 094134420A TW 94134420 A TW94134420 A TW 94134420A TW 200638128 A TW200638128 A TW 200638128A
Authority
TW
Taiwan
Prior art keywords
sup
optical sheet
backlight
liquid crystal
display device
Prior art date
Application number
TW094134420A
Other languages
English (en)
Chinese (zh)
Other versions
TWI319105B (enExample
Inventor
Mitsuo Arima
Jun Shimizu
Hirokazu Odagiri
Eiji Ohta
Kei Obata
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of TW200638128A publication Critical patent/TW200638128A/zh
Application granted granted Critical
Publication of TWI319105B publication Critical patent/TWI319105B/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
    • 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
    • G02B5/0294—Diffusing elements; Afocal elements characterized by the use adapted to provide an additional optical effect, e.g. anti-reflection or filter
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/06—Simple or compound lenses with non-spherical faces with cylindrical or toric faces
    • 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
    • G02B5/0215—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 a regular 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
    • G02B5/0221—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
    • G02B5/0273—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
    • 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
    • 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
    • G02F1/133607—Direct 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)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Lenses (AREA)
TW094134420A 2004-09-30 2005-09-30 Optical sheet, backlight, and liquid crystal display device TW200638128A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004288516 2004-09-30

Publications (2)

Publication Number Publication Date
TW200638128A true TW200638128A (en) 2006-11-01
TWI319105B TWI319105B (enExample) 2010-01-01

Family

ID=36119141

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094134420A TW200638128A (en) 2004-09-30 2005-09-30 Optical sheet, backlight, and liquid crystal display device

Country Status (7)

Country Link
US (2) US7483094B2 (enExample)
EP (1) EP1795924B1 (enExample)
JP (1) JP4893307B2 (enExample)
KR (1) KR101159724B1 (enExample)
CN (1) CN1947035B (enExample)
TW (1) TW200638128A (enExample)
WO (1) WO2006036029A1 (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7645057B2 (en) 2005-04-21 2010-01-12 Miraenanotech Co., Ltd. Optical sheet and backlight assembly of liquid crystal display with the same
TWI385418B (zh) * 2008-04-10 2013-02-11 Wintek Corp 光學膜片及背光模組
TWI464459B (zh) * 2009-07-27 2014-12-11 Sumitomo Chemical Co A light control board, a surface light source device, and a transmission type image display device
TWI480599B (zh) * 2007-07-18 2015-04-11 Bayer Materialscience Ag 導光表面結構
TWI840203B (zh) * 2022-04-27 2024-04-21 日商大日本印刷股份有限公司 光學膜、影像顯示面板及影像顯示裝置

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4506733B2 (ja) * 2005-09-05 2010-07-21 ソニー株式会社 光学フィルムの製造方法
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
JP4843358B2 (ja) * 2006-04-19 2011-12-21 株式会社日本触媒 制御された反りを有する熱可塑性樹脂シートの製造方法
JP4957195B2 (ja) * 2006-11-09 2012-06-20 ソニー株式会社 液晶表示装置
CN201174014Y (zh) * 2008-04-10 2008-12-31 北京京东方光电科技有限公司 背光模组
JP2010032739A (ja) * 2008-07-29 2010-02-12 Suntechopt Co Ltd レンズフィルムおよびこれを備えた光学表示用バックライトユニット
JP5136325B2 (ja) * 2008-09-25 2013-02-06 凸版印刷株式会社 光学シートおよびこれを用いた照明装置ならびにディスプレイ
KR101246701B1 (ko) * 2009-01-14 2013-03-25 주식회사 엘지화학 모아레가 개선된 렌티큘러 렌즈 시트 및 그 설계 방법
KR101848939B1 (ko) * 2009-10-27 2018-04-13 쓰리엠 이노베이티브 프로퍼티즈 컴파니 휨 방지 표면을 갖는 광학 필름
JP2011145644A (ja) * 2009-12-18 2011-07-28 Sumitomo Chemical Co Ltd 偏光板、ならびにそれを用いた液晶パネルおよび液晶表示装置
JP2011150174A (ja) * 2010-01-22 2011-08-04 Sumitomo Chemical Co Ltd 光制御板、面光源装置及び透過型画像表示装置
JP2011150172A (ja) * 2010-01-22 2011-08-04 Sumitomo Chemical Co Ltd 光制御板、面光源装置及び透過型画像表示装置
JP2010176133A (ja) * 2010-01-28 2010-08-12 Suntechopt Co Ltd 光学フィルム及びこれを備えた光学表示用バックライトユニット
CN102155711A (zh) * 2010-02-12 2011-08-17 中强光电股份有限公司 光学片
TWI439735B (zh) * 2010-07-01 2014-06-01 Entire Technology Co Ltd 柱狀透鏡陣列之裝置及其背光模組
CN102338345B (zh) * 2010-07-20 2013-10-16 颖台科技股份有限公司 柱状透镜组装置及其使用的背光模块
JP5672833B2 (ja) * 2010-08-06 2015-02-18 凸版印刷株式会社 照明ユニット及びこれを用いた表示装置
CN103365021B (zh) * 2012-04-03 2015-11-25 元太科技工业股份有限公司 可切换彩色模式与黑白模式的电泳显示装置
CN103951438A (zh) * 2014-04-14 2014-07-30 北京盈和工控技术有限公司 一种新型自动叠片机
WO2017033290A1 (ja) * 2015-08-25 2017-03-02 日東樹脂工業株式会社 導光板の製造方法
CN114216097A (zh) * 2022-01-05 2022-03-22 马瑞利汽车零部件(芜湖)有限公司 实现信号灯点亮各个角度均匀性一致的光学系统
CN116309547B (zh) * 2023-05-10 2023-09-19 成都飞机工业（集团）有限责任公司 一种零件表面质量检测方法、装置、设备及介质

Family Cites Families (8)

* Cited by examiner, † Cited by third party
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
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
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
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
JP3868819B2 (ja) * 2002-01-24 2007-01-17 大日本印刷株式会社 フレネルレンズシート、透過型投影スクリーン、および透過型投影ディスプレイ
US7125131B2 (en) * 2002-12-06 2006-10-24 General Electric Company Brightness enhancement film with improved view angle

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7645057B2 (en) 2005-04-21 2010-01-12 Miraenanotech Co., Ltd. Optical sheet and backlight assembly of liquid crystal display with the same
TWI480599B (zh) * 2007-07-18 2015-04-11 Bayer Materialscience Ag 導光表面結構
TWI385418B (zh) * 2008-04-10 2013-02-11 Wintek Corp 光學膜片及背光模組
TWI464459B (zh) * 2009-07-27 2014-12-11 Sumitomo Chemical Co A light control board, a surface light source device, and a transmission type image display device
TWI840203B (zh) * 2022-04-27 2024-04-21 日商大日本印刷股份有限公司 光學膜、影像顯示面板及影像顯示裝置

Also Published As

Publication number Publication date
EP1795924A1 (en) 2007-06-13
JPWO2006036029A1 (ja) 2008-05-15
TWI319105B (enExample) 2010-01-01
KR101159724B1 (ko) 2012-06-28
US7483094B2 (en) 2009-01-27
US7719631B2 (en) 2010-05-18
CN1947035B (zh) 2010-07-14
JP4893307B2 (ja) 2012-03-07
US20070242361A1 (en) 2007-10-18
KR20070061477A (ko) 2007-06-13
CN1947035A (zh) 2007-04-11
EP1795924A4 (en) 2010-10-06
EP1795924B1 (en) 2013-03-27
US20090153775A1 (en) 2009-06-18
WO2006036029A1 (ja) 2006-04-06

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees