KR100888777B1 - 액정 표시 장치 - Google Patents

액정 표시 장치 Download PDF

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Publication number
KR100888777B1
KR100888777B1 KR1020020055975A KR20020055975A KR100888777B1 KR 100888777 B1 KR100888777 B1 KR 100888777B1 KR 1020020055975 A KR1020020055975 A KR 1020020055975A KR 20020055975 A KR20020055975 A KR 20020055975A KR 100888777 B1 KR100888777 B1 KR 100888777B1
Authority
KR
South Korea
Prior art keywords
light
prism
liquid crystal
prism sheet
crystal display
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
KR1020020055975A
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English (en)
Korean (ko)
Other versions
KR20040024380A (ko
Inventor
이상덕
강정태
이상희
Original Assignee
삼성전자주식회사
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 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority to KR1020020055975A priority Critical patent/KR100888777B1/ko
Priority to US10/401,305 priority patent/US7154572B2/en
Priority to TW092108936A priority patent/TWI333101B/zh
Priority to CNB031362451A priority patent/CN100363798C/zh
Priority to JP2003318220A priority patent/JP4614643B2/ja
Publication of KR20040024380A publication Critical patent/KR20040024380A/ko
Priority to US11/552,289 priority patent/US20070046856A1/en
Application granted granted Critical
Publication of KR100888777B1 publication Critical patent/KR100888777B1/ko
Assigned to 삼성디스플레이 주식회사 reassignment 삼성디스플레이 주식회사 권리의 전부이전등록 Assignors: 삼성전자주식회사
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • 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
    • G02B6/0053—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
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Liquid Crystal (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)
KR1020020055975A 2002-09-14 2002-09-14 액정 표시 장치 Expired - Fee Related KR100888777B1 (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1020020055975A KR100888777B1 (ko) 2002-09-14 2002-09-14 액정 표시 장치
US10/401,305 US7154572B2 (en) 2002-09-14 2003-03-26 Liquid crystal display device
TW092108936A TWI333101B (en) 2002-09-14 2003-04-17 Liquid crystal display device
CNB031362451A CN100363798C (zh) 2002-09-14 2003-05-20 液晶显示装置
JP2003318220A JP4614643B2 (ja) 2002-09-14 2003-09-10 液晶表示装置
US11/552,289 US20070046856A1 (en) 2002-09-14 2006-10-24 Liquid crystal display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020020055975A KR100888777B1 (ko) 2002-09-14 2002-09-14 액정 표시 장치

Publications (2)

Publication Number Publication Date
KR20040024380A KR20040024380A (ko) 2004-03-20
KR100888777B1 true KR100888777B1 (ko) 2009-03-13

Family

ID=31987439

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020020055975A Expired - Fee Related KR100888777B1 (ko) 2002-09-14 2002-09-14 액정 표시 장치

Country Status (5)

Country Link
US (2) US7154572B2 (enExample)
JP (1) JP4614643B2 (enExample)
KR (1) KR100888777B1 (enExample)
CN (1) CN100363798C (enExample)
TW (1) TWI333101B (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
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WO2005098485A1 (ja) * 2004-04-09 2005-10-20 Kimoto Co., Ltd. 光制御シート及びそれを用いた面光源
KR101090751B1 (ko) * 2004-06-29 2011-12-08 엘지디스플레이 주식회사 배광장치를 포함하는 액정표시장치
TWI301548B (en) * 2006-10-19 2008-10-01 Efun Technology Co Ltd Brightness enhancement film for diffusion and directing light
TWI292502B (en) * 2004-09-30 2008-01-11 Hannstar Display Corp Replaceable lamp set and direct backlight system fand lcd combination thereof
US9733400B2 (en) * 2005-06-09 2017-08-15 Ubright Optronics Corporation Light directing film
CN101013218B (zh) * 2005-10-14 2010-12-15 大日本印刷株式会社 光控制片和面光源装置
JP4509975B2 (ja) * 2005-10-14 2010-07-21 大日本印刷株式会社 光制御シート、面光源装置、透過型表示装置
US20070132918A1 (en) * 2005-11-25 2007-06-14 Chih-Liang Pan Flat display
CN101401015B (zh) * 2006-03-10 2011-03-23 株式会社日本触媒 偏振片保护薄膜、偏振板、以及图像显示装置
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
EP2081059B1 (en) * 2006-11-09 2012-08-08 Sharp Kabushiki Kaisha Prism sheet and liquid crystal display
US7530721B2 (en) * 2007-04-18 2009-05-12 Skc Haas Display Films Co., Ltd. Double-sided turning film
KR100825904B1 (ko) * 2007-05-25 2008-04-28 제일모직주식회사 수분 배출성이 우수한 프리즘 시트 및 이를 이용한액정표시장치
CN201083841Y (zh) * 2007-08-03 2008-07-09 群康科技(深圳)有限公司 棱镜片和液晶显示装置
KR100935717B1 (ko) * 2007-09-03 2010-01-08 제일모직주식회사 능선이 기울기를 가지도록 형성된 프리즘 시트 및 이를이용한 액정표시장치
CN101393283B (zh) * 2007-09-21 2010-12-01 鸿富锦精密工业（深圳）有限公司 棱镜片及采用该棱镜片的液晶显示器
CN101420829B (zh) * 2007-10-25 2011-09-21 深圳富泰宏精密工业有限公司 金属外壳及其制作方法
KR100865263B1 (ko) * 2008-03-24 2008-10-24 주식회사 엘엠에스 사행 패턴 광학필름을 포함하는 액정표시장치
TWI470314B (zh) * 2008-06-25 2015-01-21 Eternal Materials Co Ltd 光學膜
TW201020472A (en) * 2008-10-31 2010-06-01 Koninkl Philips Electronics Nv Light guide plate and illumination device using the light guide plate
US8297802B2 (en) * 2009-10-09 2012-10-30 Wintek Corporation Optical film having linear protrusions with inwardly curved ridges and back light module with the optical film
CN102213780A (zh) * 2011-07-13 2011-10-12 北京康得新复合材料股份有限公司 一种棱镜结构增光膜
KR101793130B1 (ko) * 2011-09-09 2017-11-03 엘지디스플레이 주식회사 광학시트와 이의 제조방법, 이를 이용한 백라이트 유닛과 액정표시장치
JP6359898B2 (ja) * 2014-07-03 2018-07-18 シャープ株式会社 照明装置、画像読取装置及びそれを備えた画像形成装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1096922A (ja) * 1996-09-25 1998-04-14 Hitachi Ltd 液晶表示装置
KR20000051505A (ko) * 1999-01-22 2000-08-16 윤종용 액정표시장치
KR20000067120A (ko) * 1999-04-23 2000-11-15 김영환 액정 표시 모듈
JP2001343507A (ja) * 2000-06-01 2001-12-14 Mitsubishi Rayon Co Ltd レンズシートおよびそれを用いた面光源素子ならびに液晶表示装置

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US5783299A (en) * 1986-01-21 1998-07-21 Seiko Epson Corporation Polarizer plate with anti-stain layer
US5764315A (en) * 1992-01-27 1998-06-09 Sekisui Chemical Co., Ltd. Light adjusting sheet for a planar lighting device and a planar lighting device and a liquid crystal display using the sheet
JPH0868997A (ja) * 1994-08-30 1996-03-12 Hitachi Ltd 液晶表示装置
JP3219943B2 (ja) * 1994-09-16 2001-10-15 株式会社東芝 平面直視型表示装置
JP3007010B2 (ja) * 1994-12-02 2000-02-07 積水化学工業株式会社 液晶表示装置用の面状光源装置
JPH09113907A (ja) * 1995-10-17 1997-05-02 Nippon Chemitec Kk 導光板と該導光板を使用した面型照明体
JP4053626B2 (ja) * 1997-03-11 2008-02-27 株式会社エンプラス 面光源装置並びに非対称プリズムシート
JP3288318B2 (ja) * 1998-12-14 2002-06-04 日本電気株式会社 液晶表示装置
JP2000275638A (ja) * 1999-03-23 2000-10-06 Toshiba Corp 液晶表示装置
JP2001042125A (ja) * 1999-08-04 2001-02-16 Nitto Denko Corp 偏光部材、光学部材及び液晶表示装置
TW504557B (en) * 1999-11-29 2002-10-01 Koninkl Philips Electronics Nv Luminaire
JP4538130B2 (ja) * 2000-04-12 2010-09-08 恵和株式会社 光学シート及びこれを用いたバックライトユニット
JP2002049324A (ja) * 2000-07-31 2002-02-15 Nippon Seiki Co Ltd バックライト装置
JP2002169001A (ja) * 2000-09-22 2002-06-14 Fuji Photo Film Co Ltd 防眩性フィルムおよび液晶表示装置
KR100656549B1 (ko) * 2000-11-07 2006-12-12 삼성전자주식회사 액정 표시 모듈, 이를 갖는 액정 표시 장치 및 액정 표시장치의 실장방법
JP2003140126A (ja) * 2001-10-31 2003-05-14 Hitachi Ltd 液晶表示装置
JP2003215563A (ja) * 2002-01-25 2003-07-30 Nitto Denko Corp 光学フィルム及びこれを用いた液晶表示装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1096922A (ja) * 1996-09-25 1998-04-14 Hitachi Ltd 液晶表示装置
KR20000051505A (ko) * 1999-01-22 2000-08-16 윤종용 액정표시장치
KR20000067120A (ko) * 1999-04-23 2000-11-15 김영환 액정 표시 모듈
JP2001343507A (ja) * 2000-06-01 2001-12-14 Mitsubishi Rayon Co Ltd レンズシートおよびそれを用いた面光源素子ならびに液晶表示装置

Also Published As

Publication number Publication date
US7154572B2 (en) 2006-12-26
CN100363798C (zh) 2008-01-23
KR20040024380A (ko) 2004-03-20
JP4614643B2 (ja) 2011-01-19
TW200404182A (en) 2004-03-16
US20070046856A1 (en) 2007-03-01
JP2004110025A (ja) 2004-04-08
CN1482502A (zh) 2004-03-17
TWI333101B (en) 2010-11-11
US20040051825A1 (en) 2004-03-18

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