CN100363798C - 液晶显示装置 - Google Patents

液晶显示装置 Download PDF

Info

Publication number
CN100363798C
CN100363798C CNB031362451A CN03136245A CN100363798C CN 100363798 C CN100363798 C CN 100363798C CN B031362451 A CNB031362451 A CN B031362451A CN 03136245 A CN03136245 A CN 03136245A CN 100363798 C CN100363798 C CN 100363798C
Authority
CN
China
Prior art keywords
light
liquid crystal
prism sheet
crystal display
display device
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
CNB031362451A
Other languages
English (en)
Chinese (zh)
Other versions
CN1482502A (zh
Inventor
李相德
姜正泰
李相熙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Display Co Ltd
Original Assignee
Samsung Electronics 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 Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of CN1482502A publication Critical patent/CN1482502A/zh
Application granted granted Critical
Publication of CN100363798C publication Critical patent/CN100363798C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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
    • 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
    • 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

Landscapes

  • 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)
CNB031362451A 2002-09-14 2003-05-20 液晶显示装置 Expired - Fee Related CN100363798C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR55975/2002 2002-09-14
KR55975/02 2002-09-14
KR1020020055975A KR100888777B1 (ko) 2002-09-14 2002-09-14 액정 표시 장치

Publications (2)

Publication Number Publication Date
CN1482502A CN1482502A (zh) 2004-03-17
CN100363798C true CN100363798C (zh) 2008-01-23

Family

ID=31987439

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB031362451A Expired - Fee Related CN100363798C (zh) 2002-09-14 2003-05-20 液晶显示装置

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
Publication number Priority date Publication date Assignee Title
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
JP2000180834A (ja) * 1998-12-14 2000-06-30 Nec Corp 液晶表示装置
JP2002049324A (ja) * 2000-07-31 2002-02-15 Nippon Seiki Co Ltd バックライト装置
US6398371B1 (en) * 2000-09-22 2002-06-04 Fuji Photo Film Co., Ltd. Antiglare film, method for producing the same, polarizer and liquid crystal display
CN1352406A (zh) * 2000-11-07 2002-06-05 三星电子株式会社 液晶显示模块、液晶显示装置及其组装的方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH1096922A (ja) * 1996-09-25 1998-04-14 Hitachi Ltd 液晶表示装置
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
KR100580121B1 (ko) * 1999-01-22 2006-05-15 삼성전자주식회사 액정표시장치
JP2000275638A (ja) * 1999-03-23 2000-10-06 Toshiba Corp 液晶表示装置
KR20000067120A (ko) * 1999-04-23 2000-11-15 김영환 액정 표시 모듈
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
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
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
JP2000180834A (ja) * 1998-12-14 2000-06-30 Nec Corp 液晶表示装置
JP2002049324A (ja) * 2000-07-31 2002-02-15 Nippon Seiki Co Ltd バックライト装置
US6398371B1 (en) * 2000-09-22 2002-06-04 Fuji Photo Film Co., Ltd. Antiglare film, method for producing the same, polarizer and liquid crystal display
CN1352406A (zh) * 2000-11-07 2002-06-05 三星电子株式会社 液晶显示模块、液晶显示装置及其组装的方法

Also Published As

Publication number Publication date
US7154572B2 (en) 2006-12-26
KR20040024380A (ko) 2004-03-20
JP4614643B2 (ja) 2011-01-19
TW200404182A (en) 2004-03-16
KR100888777B1 (ko) 2009-03-13
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

Similar Documents

Publication Publication Date Title
US7154572B2 (en) Liquid crystal display device
US20210072595A1 (en) Directional illumination apparatus and privacy display
CN101842738B (zh) 用于lcd背光单元的导光面板以及lcd背光单元
TWI402576B (zh) 背光單元及具有該背光單元之液晶顯示模組
US8284346B2 (en) Backlight unit and liquid crystal display device including the same
US20110090423A1 (en) Illumination device with progressive injection
KR20160022224A (ko) 도광판 및 이를 포함하는 백라이트 유닛
US20100141870A1 (en) Optical sheet and lcd apparatus having the same
TW202219603A (zh) 背光單元
US7722240B2 (en) Surface light source device and transmission display device
US20110019435A1 (en) Brightness enhancement film and backlight module
US7866868B2 (en) Optical film and backlight module using the same
US7540630B2 (en) Backlight module and scattering module for same
US8057066B2 (en) Backlight assembly with improved brightness uniformity and display apparatus having the same
TWM636685U (zh) 具有光學膜片的背光模組及顯示裝置
KR20090080370A (ko) 편광판 및 이를 갖는 표시 장치
CN101377591B (zh) 背光单元和包括该背光单元的液晶显示器件
US11487056B2 (en) Light guide plate and backlight module using the same
KR100880217B1 (ko) 백라이트
US7787075B2 (en) Liquid crystal display
KR101571344B1 (ko) 바텀 케이스 및 이를 포함하는 백라이트 어셈블리
WO2010125839A1 (ja) 照明装置および表示装置
KR102428436B1 (ko) 도광판과 이를 구비한 백라이트 유닛 및 이를 적용한 액정표시장치
WO2017088447A1 (zh) 一种直下式led背光模组及包含该背光模组的显示器
WO2020248422A1 (zh) 背光模组及显示装置

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: SAMSUNG MONITOR CO., LTD.

Free format text: FORMER OWNER: SAMSUNG ELECTRONICS CO., LTD.

Effective date: 20121026

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20121026

Address after: Gyeonggi Do, South Korea

Patentee after: Samsung Display Co., Ltd.

Address before: Gyeonggi Do, South Korea

Patentee before: Samsung Electronics Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080123

Termination date: 20170520

CF01 Termination of patent right due to non-payment of annual fee