WO2010011060A3 - Feuille prismatique présentant une luminosité avant et un angle de visualisation améliorés, unité de rétroéclairage comportant ladite feuille et dispositif d’affichage à cristaux liquides comportant ladite unité - Google Patents

Feuille prismatique présentant une luminosité avant et un angle de visualisation améliorés, unité de rétroéclairage comportant ladite feuille et dispositif d’affichage à cristaux liquides comportant ladite unité Download PDF

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Publication number
WO2010011060A3
WO2010011060A3 PCT/KR2009/003990 KR2009003990W WO2010011060A3 WO 2010011060 A3 WO2010011060 A3 WO 2010011060A3 KR 2009003990 W KR2009003990 W KR 2009003990W WO 2010011060 A3 WO2010011060 A3 WO 2010011060A3
Authority
WO
WIPO (PCT)
Prior art keywords
prism sheet
light unit
back light
liquid crystal
display device
Prior art date
Application number
PCT/KR2009/003990
Other languages
English (en)
Other versions
WO2010011060A2 (fr
Inventor
Ki Cheol Yoon
Dong Yoon Shin
Ji Soo Ahn
Sang Mi Kang
Kil Seuk Byun
Seong Joong Kim
Original Assignee
Samsung Fine Chemicals Co., Ltd.
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 Samsung Fine Chemicals Co., Ltd. filed Critical Samsung Fine Chemicals Co., Ltd.
Priority to CN200980128748.7A priority Critical patent/CN102105821B/zh
Publication of WO2010011060A2 publication Critical patent/WO2010011060A2/fr
Publication of WO2010011060A3 publication Critical patent/WO2010011060A3/fr
Priority to US13/010,153 priority patent/US8599504B2/en

Links

Classifications

    • 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
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • 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
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • 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

Abstract

La présente invention concerne une feuille prismatique présentant une luminosité avant et un angle de visualisation améliorés, une unité de rétroéclairage comportant ladite feuille et dispositif d’affichage à cristaux liquides comportant ladite unité. La feuille prismatique comprend un substrat transparent et au moins un prisme disposé sur le substrat transparent, un indice de réfraction et un angle basique du prisme satisfaisant à la condition suivante : 1 ≤ n/sinθ ≤ 4, n étant l’indice de réfraction et θ étant l’angle basique du prisme.
PCT/KR2009/003990 2008-07-23 2009-07-20 Feuille prismatique présentant une luminosité avant et un angle de visualisation améliorés, unité de rétroéclairage comportant ladite feuille et dispositif d’affichage à cristaux liquides comportant ladite unité WO2010011060A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN200980128748.7A CN102105821B (zh) 2008-07-23 2009-07-20 具有改进的正面亮度和视角的棱镜片、具有该棱镜片的背光单元和具有该背光单元的液晶显示设备
US13/010,153 US8599504B2 (en) 2008-07-23 2011-01-20 Prism sheet having prisms with wave pattern, black light unit including the prism sheet, and liquid crystal display device including the black light unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020080071907A KR100963676B1 (ko) 2008-07-23 2008-07-23 정면휘도 및 시야각이 개선된 프리즘 시트, 이를 채용한백라이트 유니트, 및 상기 백라이트 유니트를 구비한액정표시장치
KR10-2008-0071907 2008-07-23

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/010,153 Continuation US8599504B2 (en) 2008-07-23 2011-01-20 Prism sheet having prisms with wave pattern, black light unit including the prism sheet, and liquid crystal display device including the black light unit

Publications (2)

Publication Number Publication Date
WO2010011060A2 WO2010011060A2 (fr) 2010-01-28
WO2010011060A3 true WO2010011060A3 (fr) 2010-05-27

Family

ID=41570712

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/003990 WO2010011060A2 (fr) 2008-07-23 2009-07-20 Feuille prismatique présentant une luminosité avant et un angle de visualisation améliorés, unité de rétroéclairage comportant ladite feuille et dispositif d’affichage à cristaux liquides comportant ladite unité

Country Status (5)

Country Link
US (1) US8599504B2 (fr)
KR (1) KR100963676B1 (fr)
CN (1) CN102105821B (fr)
TW (1) TWI426303B (fr)
WO (1) WO2010011060A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5743681B2 (ja) * 2011-04-26 2015-07-01 ミネベア株式会社 照明装置
WO2013116104A1 (fr) * 2012-01-31 2013-08-08 3M Innovative Properties Company Films de guidage de lumière et leurs procédés de fabrication
CN104133258B (zh) * 2014-08-20 2016-05-11 宁波激智科技股份有限公司 一种复合光学增亮膜
KR102428436B1 (ko) * 2017-07-21 2022-08-03 엘지디스플레이 주식회사 도광판과 이를 구비한 백라이트 유닛 및 이를 적용한 액정표시장치

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09274184A (ja) * 1996-04-04 1997-10-21 Dainippon Printing Co Ltd レンズフィルムおよびそれを用いた面光源装置
KR20050085418A (ko) * 2002-12-06 2005-08-29 제너럴 일렉트릭 캄파니 광 기판 및 백라이트 디스플레이 장치
KR20070108567A (ko) * 2005-03-09 2007-11-12 쓰리엠 이노베이티브 프로퍼티즈 컴파니 흠결-감소 표면을 갖는 미세복제된 물품
KR20080007532A (ko) * 2006-07-17 2008-01-22 롬 앤드 하스 덴마크 파이낸스 에이에스 특정한 광 변향 필름을 가진 백라이트 장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5530764A (en) * 1993-03-19 1996-06-25 Mazda Motor Corporation Vibration control system for an automotive vehicle
US6581286B2 (en) * 2000-04-05 2003-06-24 3M Innovative Properties Company Method of making tool to produce optical film
CN100350308C (zh) * 2000-07-11 2007-11-21 3M创新有限公司 光导
US7180672B2 (en) * 2002-05-20 2007-02-20 General Electric Company Optical substrate and method of making
TWI288832B (en) * 2002-11-11 2007-10-21 Samsung Electronics Co Ltd Prism sheet and fabrication method thereof and liquid crystal display device employing the same
CN2869926Y (zh) * 2005-09-29 2007-02-14 迎辉科技股份有限公司 具导光构造的聚光片
TWI322281B (en) * 2007-04-04 2010-03-21 Eternal Chemical Co Ltd Thin and flexible light guide element

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09274184A (ja) * 1996-04-04 1997-10-21 Dainippon Printing Co Ltd レンズフィルムおよびそれを用いた面光源装置
KR20050085418A (ko) * 2002-12-06 2005-08-29 제너럴 일렉트릭 캄파니 광 기판 및 백라이트 디스플레이 장치
KR20070108567A (ko) * 2005-03-09 2007-11-12 쓰리엠 이노베이티브 프로퍼티즈 컴파니 흠결-감소 표면을 갖는 미세복제된 물품
KR20080007532A (ko) * 2006-07-17 2008-01-22 롬 앤드 하스 덴마크 파이낸스 에이에스 특정한 광 변향 필름을 가진 백라이트 장치

Also Published As

Publication number Publication date
KR20100010846A (ko) 2010-02-02
CN102105821A (zh) 2011-06-22
TW201005328A (en) 2010-02-01
TWI426303B (zh) 2014-02-11
CN102105821B (zh) 2014-11-05
US8599504B2 (en) 2013-12-03
US20110109837A1 (en) 2011-05-12
KR100963676B1 (ko) 2010-06-15
WO2010011060A2 (fr) 2010-01-28

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