JP3717876B2 - 液晶表示装置 - Google Patents

液晶表示装置 Download PDF

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Publication number
JP3717876B2
JP3717876B2 JP2002249346A JP2002249346A JP3717876B2 JP 3717876 B2 JP3717876 B2 JP 3717876B2 JP 2002249346 A JP2002249346 A JP 2002249346A JP 2002249346 A JP2002249346 A JP 2002249346A JP 3717876 B2 JP3717876 B2 JP 3717876B2
Authority
JP
Japan
Prior art keywords
liquid crystal
optical member
display device
crystal display
opening
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
JP2002249346A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004086046A (ja
JP2004086046A5 (https=
Inventor
将樹 清水
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.)
Sharp Corp
Original Assignee
Sharp 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
Priority to JP2002249346A priority Critical patent/JP3717876B2/ja
Application filed by Sharp Corp filed Critical Sharp Corp
Priority to AU2003254949A priority patent/AU2003254949A1/en
Priority to HK06101506.9A priority patent/HK1081636B/xx
Priority to PCT/JP2003/010458 priority patent/WO2004020899A1/ja
Priority to EP03791227A priority patent/EP1548359A4/en
Priority to KR1020057003184A priority patent/KR100658008B1/ko
Priority to CN038247275A priority patent/CN1695027B/zh
Priority to US10/526,010 priority patent/US7380972B2/en
Priority to MYPI20033237A priority patent/MY143254A/en
Priority to TW092123742A priority patent/TWI315801B/zh
Publication of JP2004086046A publication Critical patent/JP2004086046A/ja
Publication of JP2004086046A5 publication Critical patent/JP2004086046A5/ja
Application granted granted Critical
Publication of JP3717876B2 publication Critical patent/JP3717876B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0091—Positioning aspects of the light source relative to the light guide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
    • 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
    • G02F1/133604—Direct backlight with lamps
    • 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
    • G02B6/0051—Diffusing 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
    • G02F1/133608—Direct backlight including particular frames or supporting means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
JP2002249346A 2002-08-28 2002-08-28 液晶表示装置 Expired - Fee Related JP3717876B2 (ja)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP2002249346A JP3717876B2 (ja) 2002-08-28 2002-08-28 液晶表示装置
US10/526,010 US7380972B2 (en) 2002-08-28 2003-08-19 Lighting system and liquid crystal backlight device
PCT/JP2003/010458 WO2004020899A1 (ja) 2002-08-28 2003-08-19 照明装置及び液晶バックライト装置
EP03791227A EP1548359A4 (en) 2002-08-28 2003-08-19 LIGHTING SYSTEM AND LIQUID CRYSTAL BACKLIGHTING DEVICE
KR1020057003184A KR100658008B1 (ko) 2002-08-28 2003-08-19 조명 장치 및 액정 백라이트 장치
CN038247275A CN1695027B (zh) 2002-08-28 2003-08-19 照明装置和lcd背光装置
AU2003254949A AU2003254949A1 (en) 2002-08-28 2003-08-19 Lighting system and liquid crystal backlight device
HK06101506.9A HK1081636B (en) 2002-08-28 2003-08-19 Lighting system and liquid crystal backlight device
MYPI20033237A MY143254A (en) 2002-08-28 2003-08-27 Lighting system and liquid crystal backlight device
TW092123742A TWI315801B (en) 2002-08-28 2003-08-28 Lighting apparatus and lcd backlight apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002249346A JP3717876B2 (ja) 2002-08-28 2002-08-28 液晶表示装置

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP2004299480A Division JP2005056858A (ja) 2004-10-14 2004-10-14 照明装置及び液晶表示装置
JP2004299481A Division JP3718519B2 (ja) 2004-10-14 2004-10-14 液晶表示装置

Publications (3)

Publication Number Publication Date
JP2004086046A JP2004086046A (ja) 2004-03-18
JP2004086046A5 JP2004086046A5 (https=) 2005-06-30
JP3717876B2 true JP3717876B2 (ja) 2005-11-16

Family

ID=31972570

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002249346A Expired - Fee Related JP3717876B2 (ja) 2002-08-28 2002-08-28 液晶表示装置

Country Status (9)

Country Link
US (1) US7380972B2 (https=)
EP (1) EP1548359A4 (https=)
JP (1) JP3717876B2 (https=)
KR (1) KR100658008B1 (https=)
CN (1) CN1695027B (https=)
AU (1) AU2003254949A1 (https=)
MY (1) MY143254A (https=)
TW (1) TWI315801B (https=)
WO (1) WO2004020899A1 (https=)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4306289B2 (ja) * 2003-03-18 2009-07-29 セイコーエプソン株式会社 液晶表示装置
KR100959785B1 (ko) * 2003-09-16 2010-05-28 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
JP4155969B2 (ja) 2004-01-14 2008-09-24 シャープ株式会社 表示装置用照明装置
TWI272421B (en) * 2004-05-13 2007-02-01 Au Optronics Corp Backlight unit and liquid crystal display utilizing the same
KR20060019654A (ko) * 2004-08-28 2006-03-06 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
JP2006153954A (ja) * 2004-11-25 2006-06-15 International Display Technology Kk 液晶ディスプレイ
US7686498B2 (en) * 2004-12-28 2010-03-30 Sharp Kabushiki Kaisha Support structure for a light source, a backlight unit for a display device having the support structure, and a display device
US8197114B2 (en) * 2005-05-20 2012-06-12 Sharp Kabushiki Kaisha Chassis for an illuminating unit, and an illuminating unit, a display device and a television receiver incorporating the chassis
JP2008305556A (ja) * 2005-09-27 2008-12-18 Sharp Corp 光源ユニットおよび表示装置
JP2008116832A (ja) 2006-11-07 2008-05-22 Funai Electric Co Ltd 液晶表示装置
JP5061747B2 (ja) * 2007-06-21 2012-10-31 船井電機株式会社 液晶表示装置
CN101377580B (zh) * 2007-08-31 2010-08-25 群康科技(深圳)有限公司 背光模组与液晶显示装置
JP2009139572A (ja) * 2007-12-05 2009-06-25 Sharp Corp 液晶表示装置
CN102027286B (zh) * 2008-05-13 2013-02-13 夏普株式会社 光源装置、显示装置、底座以及侧支架
RU2468283C2 (ru) * 2008-05-13 2012-11-27 Шарп Кабусики Кайся Светоизлучающее устройство и жидкокристаллическое индикаторное устройство
CN102037274A (zh) * 2008-05-21 2011-04-27 夏普株式会社 光源装置和显示装置
CN102439354B (zh) * 2009-05-22 2015-04-08 夏普株式会社 光源装置、照明装置、背光源装置、液晶显示装置及显示装置
KR20100127177A (ko) * 2009-05-25 2010-12-03 삼성전자주식회사 디스플레이장치의 백라이트 장치
ES2351023B1 (es) * 2009-06-04 2011-07-20 Enrique Rota Jovani Dispositivo de iluminacion.
TWI385438B (zh) * 2009-06-30 2013-02-11 Au Optronics Corp 框架結構、背光模組以及顯示模組
US20120176558A1 (en) * 2009-09-30 2012-07-12 Sharp Kabushiki Kaisha Lighting device, display device and television receiver
USRE46781E1 (en) 2009-11-12 2018-04-10 Lg Electronics Inc. Backlight unit and liquid crystal display including the same
KR101693655B1 (ko) 2009-11-12 2017-01-06 엘지전자 주식회사 백라이트 유닛 및 이를 포함하는 액정표시장치
KR20110103074A (ko) * 2010-03-12 2011-09-20 엘지전자 주식회사 디스플레이 장치
KR20110097086A (ko) * 2010-02-24 2011-08-31 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 표시장치
US20120307523A1 (en) * 2010-02-25 2012-12-06 Sharp Kabushiki Kaisha Light source device and display device
WO2011145355A1 (ja) * 2010-05-19 2011-11-24 シャープ株式会社 照明装置およびそれを備えた表示装置
JP2012109207A (ja) * 2010-10-18 2012-06-07 Meitaku Kogyo Kk 面照明体
US20150241730A1 (en) * 2012-10-04 2015-08-27 Sharp Kabushiki Kaisha Illumination device, display device, and television receiving device
WO2015025394A1 (ja) * 2013-08-22 2015-02-26 堺ディスプレイプロダクト株式会社 照明装置及び表示装置
JP6348794B2 (ja) * 2014-07-25 2018-06-27 明拓工業株式会社 面照明体
WO2017037856A1 (ja) * 2015-08-31 2017-03-09 堺ディスプレイプロダクト株式会社 表示装置
CN109416896B (zh) 2016-07-15 2022-03-01 索尼公司 显示装置
US11683893B2 (en) 2018-12-27 2023-06-20 Saturn Licensing Llc Display apparatus
US10928575B2 (en) 2019-07-02 2021-02-23 Dell Products L.P. Beveled light guide plate
CN114830635B (zh) 2019-12-26 2026-03-20 索尼集团公司 支撑主体和显示设备
WO2022075160A1 (ja) 2020-10-08 2022-04-14 ソニーグループ株式会社 支持体および表示装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2954377B2 (ja) * 1991-04-15 1999-09-27 株式会社リコー 液晶表示装置の保持構造
JPH1184351A (ja) * 1997-09-11 1999-03-26 Toshiba Corp 液晶表示装置
KR100258839B1 (ko) * 1998-01-24 2000-06-15 윤종용 엘씨디모듈
JP3998810B2 (ja) * 1998-05-28 2007-10-31 三菱電機株式会社 照明装置およびこれを用いた液晶表示装置
JP2000206316A (ja) * 1999-01-11 2000-07-28 Keiwa Inc 光拡散シ―ト及びこれを用いたバックライトユニット
JP2000310775A (ja) * 1999-04-27 2000-11-07 Matsushita Electric Ind Co Ltd 液晶表示装置
JP2000331518A (ja) 1999-05-20 2000-11-30 Sanyo Electric Co Ltd 面光源装置、導光板及び表示装置
JP3719927B2 (ja) * 1999-12-27 2005-11-24 シャープ株式会社 照明装置及び液晶表示器
US20010055075A1 (en) * 2000-06-22 2001-12-27 Shih-Hsuan Wang Liquid crystal display and rotating device of the same
KR100367011B1 (ko) * 2000-08-21 2003-01-09 엘지.필립스 엘시디 주식회사 액정표시장치
JP2002196312A (ja) * 2000-12-25 2002-07-12 Hitachi Ltd 液晶表示装置
JP4805493B2 (ja) * 2001-08-30 2011-11-02 三菱電機株式会社 液晶表示装置
US6846098B2 (en) * 2002-05-16 2005-01-25 Eastman Kodak Company Light diffuser with variable diffusion
JP2004299481A (ja) 2003-03-31 2004-10-28 Murakami Corp 電動リモコン鏡面調整装置
TWI272421B (en) * 2004-05-13 2007-02-01 Au Optronics Corp Backlight unit and liquid crystal display utilizing the same
KR100721564B1 (ko) * 2004-10-19 2007-05-23 삼성에스디아이 주식회사 기판지지 프레임, 상기 프레임을 구비하는 기판지지프레임 조립체, 상기 프레임을 사용한 기판 프레이밍방법, 상기 기판지지 프레임 조립체를 사용한 도너기판제조방법 및 상기 도너기판을 사용한유기전계발광표시장치 제조방법

Also Published As

Publication number Publication date
KR20050050649A (ko) 2005-05-31
JP2004086046A (ja) 2004-03-18
CN1695027B (zh) 2012-04-18
AU2003254949A1 (en) 2004-03-19
US7380972B2 (en) 2008-06-03
WO2004020899A1 (ja) 2004-03-11
TW200426463A (en) 2004-12-01
EP1548359A4 (en) 2006-01-18
US20060072343A1 (en) 2006-04-06
CN1695027A (zh) 2005-11-09
TWI315801B (en) 2009-10-11
HK1081636A1 (en) 2006-05-19
MY143254A (en) 2011-04-15
KR100658008B1 (ko) 2006-12-15
EP1548359A1 (en) 2005-06-29

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