CN104344286B - 背光单元 - Google Patents

背光单元 Download PDF

Info

Publication number
CN104344286B
CN104344286B CN201410145970.0A CN201410145970A CN104344286B CN 104344286 B CN104344286 B CN 104344286B CN 201410145970 A CN201410145970 A CN 201410145970A CN 104344286 B CN104344286 B CN 104344286B
Authority
CN
China
Prior art keywords
light
extension
guide plate
light guide
extension part
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
CN201410145970.0A
Other languages
English (en)
Chinese (zh)
Other versions
CN104344286A (zh
Inventor
金度勋
李智元
黄星龙
宋贤华
芮相宪
李相勋
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 Display 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 Display Co Ltd filed Critical Samsung Display Co Ltd
Publication of CN104344286A publication Critical patent/CN104344286A/zh
Application granted granted Critical
Publication of CN104344286B publication Critical patent/CN104344286B/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
    • 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
    • G02B6/005—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
    • 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

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)
CN201410145970.0A 2013-07-24 2014-04-11 背光单元 Expired - Fee Related CN104344286B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020130087550A KR102015363B1 (ko) 2013-07-24 2013-07-24 백라이트 유닛 및 그것을 포함하는 표시 장치
KR10-2013-0087550 2013-07-24

Publications (2)

Publication Number Publication Date
CN104344286A CN104344286A (zh) 2015-02-11
CN104344286B true CN104344286B (zh) 2018-05-29

Family

ID=52390402

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410145970.0A Expired - Fee Related CN104344286B (zh) 2013-07-24 2014-04-11 背光单元

Country Status (4)

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

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
CN117120917A (zh) * 2022-03-22 2023-11-24 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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101603657A (zh) * 2009-06-17 2009-12-16 友达光电股份有限公司 背光模块及包含其的光电装置
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

Family Cites Families (31)

* 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
JP4309358B2 (ja) 2005-03-02 2009-08-05 シャープ株式会社 導光体、照明装置及び液晶表示装置
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
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
RU2012132305A (ru) 2009-12-28 2014-02-10 Шарп Кабусики Кайся Планарное устройство освещения и устройство отображения, снабженное им
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
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
TWM437994U (en) 2012-05-29 2012-09-21 Young Lighting Technology Inc Display device
JP5508478B2 (ja) 2012-06-22 2014-05-28 シャープ株式会社 表示装置及びテレビジョン受信機

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101603657A (zh) * 2009-06-17 2009-12-16 友达光电股份有限公司 背光模块及包含其的光电装置
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

Also Published As

Publication number Publication date
US9310546B2 (en) 2016-04-12
JP2015026598A (ja) 2015-02-05
US20150029751A1 (en) 2015-01-29
JP6290683B2 (ja) 2018-03-07
KR20150013979A (ko) 2015-02-06
KR102015363B1 (ko) 2019-08-29
CN104344286A (zh) 2015-02-11

Similar Documents

Publication Publication Date Title
CN104344286B (zh) 背光单元
CN101487945B (zh) 光学片和具有该光学片的显示装置
CN203404631U (zh) 背光源单元
JP5071675B2 (ja) 照明装置および表示装置
CN104423089A (zh) 光学片及包括该光学片的背光单元和显示器
EP2790055A1 (en) Display apparatus
KR20110097642A (ko) 광학 시트 적층체, 조명 장치 및 표시 장치
US10352530B2 (en) Lens, light emitting apparatus including the lens, and backlight unit including the apparatus
CN107544176B (zh) 显示装置
KR20160082789A (ko) 표시 장치
US8118469B2 (en) Surface illuminating device and image display apparatus
CN110730926A (zh) 光学结构体及显示装置
CN104698678B (zh) 光通量控制构件、发光装置以及显示装置
CN105842910A (zh) 液晶显示设备
CN104698677A (zh) 光学元件和包括光学元件的发光装置
KR102355828B1 (ko) 다중 패널 표시장치
TWI484262B (zh) 控制光通量之元件、顯示裝置以及光發射裝置
KR20140067471A (ko) 확산용 도광필름, 백라이트부 및 이를 구비한 액정표시소자
JP6008241B2 (ja) 面光源装置および表示装置
JP2018194586A (ja) 表示装置
JP4606135B2 (ja) 液晶表示装置
EP3006978B1 (en) Light-emitting device, backlight unit including the device, and display apparatus including the unit
JP2011171103A (ja) 導光板、面光源装置および表示装置
KR102056667B1 (ko) 백라이트 유닛 및 이를 이용한 액정 표시 장치
TWI547737B (zh) 控制光通量之元件及具有其之顯示裝置

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180529

Termination date: 20210411

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