CN102889508B - 背光单元和使用该背光单元的显示装置 - Google Patents

背光单元和使用该背光单元的显示装置 Download PDF

Info

Publication number
CN102889508B
CN102889508B CN201210076471.1A CN201210076471A CN102889508B CN 102889508 B CN102889508 B CN 102889508B CN 201210076471 A CN201210076471 A CN 201210076471A CN 102889508 B CN102889508 B CN 102889508B
Authority
CN
China
Prior art keywords
reflector
lighting system
reflective
light source
disposed
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
CN201210076471.1A
Other languages
English (en)
Chinese (zh)
Other versions
CN102889508A (zh
Inventor
金成镐
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.)
LG Innotek Co Ltd
Original Assignee
LG Innotek 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 LG Innotek Co Ltd filed Critical LG Innotek Co Ltd
Publication of CN102889508A publication Critical patent/CN102889508A/zh
Application granted granted Critical
Publication of CN102889508B publication Critical patent/CN102889508B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • 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
    • G02F1/133605—Direct backlight including specially adapted reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
CN201210076471.1A 2011-07-19 2012-03-21 背光单元和使用该背光单元的显示装置 Expired - Fee Related CN102889508B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0071283 2011-07-19
KR1020110071283A KR101824037B1 (ko) 2011-07-19 2011-07-19 디스플레이 장치

Publications (2)

Publication Number Publication Date
CN102889508A CN102889508A (zh) 2013-01-23
CN102889508B true CN102889508B (zh) 2016-07-27

Family

ID=45656618

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210076471.1A Expired - Fee Related CN102889508B (zh) 2011-07-19 2012-03-21 背光单元和使用该背光单元的显示装置

Country Status (6)

Country Link
US (1) US8931911B2 (enExample)
EP (1) EP2549308B1 (enExample)
JP (1) JP2013026211A (enExample)
KR (1) KR101824037B1 (enExample)
CN (1) CN102889508B (enExample)
TW (1) TWI652531B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101852389B1 (ko) * 2011-10-25 2018-04-26 엘지이노텍 주식회사 디스플레이 장치
KR102161512B1 (ko) * 2014-01-06 2020-10-05 엘지전자 주식회사 백라이트 유닛
KR20160098921A (ko) * 2015-02-11 2016-08-19 엘지전자 주식회사 백라이트 유닛 및 이를 포함하는 디스플레이 장치

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002116705A (ja) * 2000-10-11 2002-04-19 Tama Electric Co Ltd バックライト装置
JP4371687B2 (ja) * 2003-03-27 2009-11-25 Ｎｅｃ液晶テクノロジー株式会社 バックライト装置及び液晶表示装置
CN1836133A (zh) * 2003-06-16 2006-09-20 三菱电机株式会社 面状光源装置及采用该装置的显示装置
WO2004111532A1 (ja) 2003-06-16 2004-12-23 Advanced Display Inc. 面状光源装置および該装置を用いた表示装置
KR20050037085A (ko) * 2003-10-17 2005-04-21 삼성전자주식회사 광터널, 균일광 조명장치 및 이를 채용한 프로젝터
JP2005129409A (ja) 2003-10-24 2005-05-19 Sanyo Electric Co Ltd バックライト装置
JP4072519B2 (ja) * 2004-06-18 2008-04-09 シャープ株式会社 表示装置用照明装置
JP4746301B2 (ja) * 2004-10-01 2011-08-10 ライツ・アドバンスト・テクノロジー株式会社 バックライトユニット
US7284893B2 (en) 2005-03-09 2007-10-23 K-Bridge Electronics Co., Ltd. Light equalizing structure of backlight modules
TW200728851A (en) * 2006-01-20 2007-08-01 Hon Hai Prec Ind Co Ltd Backlight module
JP2008152933A (ja) * 2006-12-14 2008-07-03 Takehisa Saito 面発光装置、及び発光式看板
JP5147250B2 (ja) * 2007-02-01 2013-02-20 パナソニック液晶ディスプレイ株式会社 液晶表示装置
JP2008299174A (ja) * 2007-06-01 2008-12-11 Hitachi Ltd 映像表示装置及びそれに用いられるバックライトユニット
JP2009134992A (ja) * 2007-11-30 2009-06-18 Sharp Corp バックライト装置
JP2009187904A (ja) * 2008-02-08 2009-08-20 Toppan Printing Co Ltd 光源ユニット、バックライトユニット及びディスプレイ装置
JP2011044425A (ja) * 2009-07-24 2011-03-03 Victor Co Of Japan Ltd バックライトユニット及び液晶表示装置
US8197105B2 (en) * 2009-08-13 2012-06-12 Intematix Corporation LED-based lamps
US8922733B2 (en) 2009-10-24 2014-12-30 3M Innovative Properties Company Light source and display system incorporating same
KR101604497B1 (ko) * 2009-12-08 2016-03-17 엘지디스플레이 주식회사 백라이트 유닛 및 이를 구비한 액정표시장치
US8382324B2 (en) * 2010-04-29 2013-02-26 Southern Taiwan University Radiation structure without light guiding board
KR101040654B1 (ko) * 2010-05-28 2011-06-10 엘지이노텍 주식회사 백라이트 유닛 및 이를 포함하는 디스플레이 장치

Also Published As

Publication number Publication date
KR20130010574A (ko) 2013-01-29
EP2549308A2 (en) 2013-01-23
EP2549308A3 (en) 2013-04-17
TWI652531B (zh) 2019-03-01
EP2549308B1 (en) 2016-08-17
JP2013026211A (ja) 2013-02-04
KR101824037B1 (ko) 2018-01-31
TW201305683A (zh) 2013-02-01
CN102889508A (zh) 2013-01-23
US8931911B2 (en) 2015-01-13
US20130021779A1 (en) 2013-01-24

Similar Documents

Publication Publication Date Title
CN102486276B (zh) 背光单元
CN102588821B (zh) 背光单元和使用该背光单元的显示设备
CN102901000B (zh) 背光单元和使用该背光单元的显示装置
CN102853329B (zh) 背光单元和使用该背光单元的显示设备
CN103256524B (zh) 背光单元和使用该背光单元的照明系统
US9117379B2 (en) Backlight unit, display using the same and lighting system including the same
CN102878477A (zh) 背光单元和使用该背光单元的显示设备
CN102889508B (zh) 背光单元和使用该背光单元的显示装置
CN103075675B (zh) 背光单元和使用该背光单元的显示器
KR101948139B1 (ko) 백라이트 유닛 및 그를 이용한 조명 시스템
KR101850436B1 (ko) 표시 장치 및 그를 이용한 조명 시스템
KR101948143B1 (ko) 백라이트 유닛 및 그를 이용한 조명 시스템
KR20130070859A (ko) 백라이트 유닛 및 그를 이용한 조명 시스템
KR20130110757A (ko) 백라이트 유닛 및 그를 이용한 조명 시스템

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

Granted publication date: 20160727

Termination date: 20200321