KR102015363B1 - 백라이트 유닛 및 그것을 포함하는 표시 장치 - Google Patents

백라이트 유닛 및 그것을 포함하는 표시 장치 Download PDF

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Publication number
KR102015363B1
KR102015363B1 KR1020130087550A KR20130087550A KR102015363B1 KR 102015363 B1 KR102015363 B1 KR 102015363B1 KR 1020130087550 A KR1020130087550 A KR 1020130087550A KR 20130087550 A KR20130087550 A KR 20130087550A KR 102015363 B1 KR102015363 B1 KR 102015363B1
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KR
South Korea
Prior art keywords
extension
extension part
disposed
guide plate
light
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
KR1020130087550A
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English (en)
Korean (ko)
Other versions
KR20150013979A (ko
Inventor
김도훈
이지원
황성용
송현화
예상헌
이상훈
Original Assignee
삼성디스플레이 주식회사
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 삼성디스플레이 주식회사 filed Critical 삼성디스플레이 주식회사
Priority to KR1020130087550A priority Critical patent/KR102015363B1/ko
Priority to US14/146,294 priority patent/US9310546B2/en
Priority to JP2014067414A priority patent/JP6290683B2/ja
Priority to CN201410145970.0A priority patent/CN104344286B/zh
Publication of KR20150013979A publication Critical patent/KR20150013979A/ko
Application granted granted Critical
Publication of KR102015363B1 publication Critical patent/KR102015363B1/ko
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0025—Diffusing sheet or layer; Prismatic sheet or layer
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—Reflecting element, sheet or layer
    • 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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface 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
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • 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
    • 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
    • G02B6/009—Positioning aspects of the light source in the package
    • 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
    • G02B6/0055—Reflecting element, sheet or layer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
KR1020130087550A 2013-07-24 2013-07-24 백라이트 유닛 및 그것을 포함하는 표시 장치 Expired - Fee Related KR102015363B1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020130087550A KR102015363B1 (ko) 2013-07-24 2013-07-24 백라이트 유닛 및 그것을 포함하는 표시 장치
US14/146,294 US9310546B2 (en) 2013-07-24 2014-01-02 Backlight unit and display device having the same
JP2014067414A JP6290683B2 (ja) 2013-07-24 2014-03-28 バックライトユニット及びそれを含む表示装置
CN201410145970.0A CN104344286B (zh) 2013-07-24 2014-04-11 背光单元

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020130087550A KR102015363B1 (ko) 2013-07-24 2013-07-24 백라이트 유닛 및 그것을 포함하는 표시 장치

Publications (2)

Publication Number Publication Date
KR20150013979A KR20150013979A (ko) 2015-02-06
KR102015363B1 true KR102015363B1 (ko) 2019-08-29

Family

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Family Applications (1)

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KR1020130087550A Expired - Fee Related KR102015363B1 (ko) 2013-07-24 2013-07-24 백라이트 유닛 및 그것을 포함하는 표시 장치

Country Status (4)

Country Link
US (1) US9310546B2 (https=)
JP (1) JP6290683B2 (https=)
KR (1) KR102015363B1 (https=)
CN (1) CN104344286B (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102188105B1 (ko) * 2014-06-20 2020-12-07 삼성전자주식회사 디스플레이 기기
KR20170039022A (ko) 2015-09-30 2017-04-10 삼성디스플레이 주식회사 표시 장치
JP6689727B2 (ja) * 2016-01-07 2020-04-28 株式会社ジャパンディスプレイ バックライト装置、およびこれを備える表示装置
CN107816645B (zh) * 2016-09-13 2024-02-06 赛尔富电子有限公司 一种超薄型led条形灯
KR20180059205A (ko) * 2016-11-25 2018-06-04 삼성전자주식회사 지향성 백라이트 유닛, 이를 포함한 입체 영상 표시 장치 및 지향성 백라이트 유닛의 제조 방법
KR102757715B1 (ko) * 2016-12-05 2025-01-21 삼성전자주식회사 양자점 유닛 또는 양자점 시트를 포함하는 디스플레이 장치 및 양자점 유닛의 제조방법
WO2018156547A1 (en) * 2017-02-21 2018-08-30 Corning Incorporated Devices comprising integrated backlight unit and display panel
CN117120917B (zh) * 2022-03-22 2026-01-27 京东方科技集团股份有限公司 背光模组、显示屏、后视镜、车辆

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006244825A (ja) 2005-03-02 2006-09-14 Sharp Corp 導光体、照明装置及び液晶表示装置
JP2013246439A (ja) 2012-05-29 2013-12-09 Young Lighting Technology Inc 表示装置
JP2014006352A (ja) 2012-06-22 2014-01-16 Sharp Corp 表示装置及びテレビジョン受信機

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100293812B1 (ko) 1998-06-18 2001-07-12 박종섭 분리형 몰드 프레임을 갖는 백 라이트 유니트
JP2002245825A (ja) * 2001-02-15 2002-08-30 Nec Corp バックライト、液晶表示装置及び電子機器
JP3744419B2 (ja) * 2001-12-27 2006-02-08 株式会社日立製作所 ネットワーク装置、ネットワーク接続管理装置およびネットワーク装置の増設方法
KR20040092072A (ko) 2003-04-24 2004-11-03 나노엘시디(주) 고기능 몰드프레임을 이용한 반사 씨트 제거 방법
JP4316979B2 (ja) 2003-10-20 2009-08-19 シャープ株式会社 液晶表示装置および液晶表示装置の組立方法
KR20060001567A (ko) 2004-06-30 2006-01-06 엘지.필립스 엘시디 주식회사 휘선이 방지된 액정표시장치
US20060187376A1 (en) * 2005-02-23 2006-08-24 Yun-Shih Wang Backlight module and liquid crystal display module
JP4482473B2 (ja) 2005-03-25 2010-06-16 シャープ株式会社 液晶表示装置
TWI366021B (en) * 2005-04-08 2012-06-11 Hon Hai Prec Ind Co Ltd Backlight module
KR101229284B1 (ko) 2005-08-26 2013-02-05 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 갖는 표시장치
KR20070073061A (ko) 2006-01-03 2007-07-10 삼성코닝 주식회사 백 라이트 유닛
KR20070073505A (ko) 2006-01-05 2007-07-10 삼성전자주식회사 백라이트 유닛 및 이를 포함하는 액정 표시 장치
KR101363587B1 (ko) 2006-07-19 2014-02-13 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 포함하는 액정 표시 장치
TWI341424B (en) * 2006-10-16 2011-05-01 Chimei Innolux Corp Backlight module and liquid crystal display device incorporating same
KR20080052775A (ko) 2006-12-08 2008-06-12 삼성전자주식회사 액정표시장치
KR100811086B1 (ko) 2007-03-20 2008-03-06 덕산약품공업주식회사 마이크로 렌즈 어레이 몰드의 제조방법 및 이를 이용한마이크로 렌즈 어레이의 제조방법
KR100930272B1 (ko) 2008-05-26 2009-12-09 (주)코텍 액정표시장치의 에지에서 암부를 제거한 백라이트유닛
KR101296534B1 (ko) 2008-12-19 2013-08-13 엘지디스플레이 주식회사 백라이트 유닛 및 이를 구비한 액정표시장치
KR20100074746A (ko) 2008-12-24 2010-07-02 엘지디스플레이 주식회사 백라이트 어셈블리
KR20100086880A (ko) 2009-01-23 2010-08-02 삼성전자주식회사 백라이트 어셈블리 및 이를 포함하는 표시 장치
CN101603657B (zh) * 2009-06-17 2011-05-04 友达光电股份有限公司 背光模块及包含其的光电装置
KR101569076B1 (ko) * 2009-09-09 2015-11-16 삼성디스플레이 주식회사 렌즈기판을 구비한 표시 장치 및 그 제조 방법
KR101087244B1 (ko) 2009-09-29 2011-11-29 엘지디스플레이 주식회사 액정표시장치 및 백라이트유닛
US8672528B2 (en) 2009-12-28 2014-03-18 Sharp Kabushiki Kaisha Planar illumination device and display device provided with the same
JP5607988B2 (ja) 2010-05-06 2014-10-15 旭化成イーマテリアルズ株式会社 プラスチックレンズ又は光導波路の製造方法
KR101769933B1 (ko) 2010-05-19 2017-08-21 엘지전자 주식회사 백라이트 유닛 및 이를 포함하는 디스플레이 장치
KR20120032205A (ko) 2010-09-28 2012-04-05 엘지디스플레이 주식회사 액정표시장치용 백 라이트 유닛
CN201867507U (zh) * 2010-10-29 2011-06-15 京东方科技集团股份有限公司 导光板、背光模组及液晶显示器
KR101210451B1 (ko) 2010-12-14 2012-12-10 태산엘시디 주식회사 백라이트유닛의 패널장착구조
KR101135043B1 (ko) 2011-02-08 2012-04-13 레이젠 주식회사 재귀반사패턴을 갖는 도광판

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006244825A (ja) 2005-03-02 2006-09-14 Sharp Corp 導光体、照明装置及び液晶表示装置
JP2013246439A (ja) 2012-05-29 2013-12-09 Young Lighting Technology Inc 表示装置
JP2014006352A (ja) 2012-06-22 2014-01-16 Sharp Corp 表示装置及びテレビジョン受信機

Also Published As

Publication number Publication date
KR20150013979A (ko) 2015-02-06
US9310546B2 (en) 2016-04-12
US20150029751A1 (en) 2015-01-29
JP6290683B2 (ja) 2018-03-07
CN104344286B (zh) 2018-05-29
CN104344286A (zh) 2015-02-11
JP2015026598A (ja) 2015-02-05

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