KR101824036B1 - 디스플레이 장치 - Google Patents

디스플레이 장치 Download PDF

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Publication number
KR101824036B1
KR101824036B1 KR1020110064747A KR20110064747A KR101824036B1 KR 101824036 B1 KR101824036 B1 KR 101824036B1 KR 1020110064747 A KR1020110064747 A KR 1020110064747A KR 20110064747 A KR20110064747 A KR 20110064747A KR 101824036 B1 KR101824036 B1 KR 101824036B1
Authority
KR
South Korea
Prior art keywords
guide plate
light source
light guide
protrusion
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
KR1020110064747A
Other languages
English (en)
Korean (ko)
Other versions
KR20130003407A (ko
Inventor
김문정
Original Assignee
엘지이노텍 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 엘지이노텍 주식회사 filed Critical 엘지이노텍 주식회사
Priority to KR1020110064747A priority Critical patent/KR101824036B1/ko
Priority to US13/396,108 priority patent/US8915639B2/en
Priority to JP2012029679A priority patent/JP5959868B2/ja
Priority to TW101105617A priority patent/TWI594051B/zh
Priority to CN2012100478372A priority patent/CN102853328A/zh
Priority to EP12160155.3A priority patent/EP2541136B1/en
Publication of KR20130003407A publication Critical patent/KR20130003407A/ko
Application granted granted Critical
Publication of KR101824036B1 publication Critical patent/KR101824036B1/ko
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G02F1/1336—Illuminating devices
    • 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
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • 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
    • G02B6/0028—Light guide, e.g. taper
    • 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
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0073—Light emitting diode [LED]
    • 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
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0078—Side-by-side arrangements, e.g. for large area displays
    • G02B6/008—Side-by-side arrangements, e.g. for large area displays of the partially overlapping type

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)
  • Liquid Crystal (AREA)
KR1020110064747A 2011-06-30 2011-06-30 디스플레이 장치 Expired - Fee Related KR101824036B1 (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1020110064747A KR101824036B1 (ko) 2011-06-30 2011-06-30 디스플레이 장치
US13/396,108 US8915639B2 (en) 2011-06-30 2012-02-14 Lighting system including a projection and display device with the projection
JP2012029679A JP5959868B2 (ja) 2011-06-30 2012-02-14 バックライトユニット及びそれを用いたディスプレイ装置
TW101105617A TWI594051B (zh) 2011-06-30 2012-02-21 背光單元
CN2012100478372A CN102853328A (zh) 2011-06-30 2012-02-27 背光单元和具有该背光单元的显示装置
EP12160155.3A EP2541136B1 (en) 2011-06-30 2012-03-19 Backlight unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110064747A KR101824036B1 (ko) 2011-06-30 2011-06-30 디스플레이 장치

Publications (2)

Publication Number Publication Date
KR20130003407A KR20130003407A (ko) 2013-01-09
KR101824036B1 true KR101824036B1 (ko) 2018-03-14

Family

ID=45841373

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020110064747A Expired - Fee Related KR101824036B1 (ko) 2011-06-30 2011-06-30 디스플레이 장치

Country Status (6)

Country Link
US (1) US8915639B2 (enExample)
EP (1) EP2541136B1 (enExample)
JP (1) JP5959868B2 (enExample)
KR (1) KR101824036B1 (enExample)
CN (1) CN102853328A (enExample)
TW (1) TWI594051B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101529558B1 (ko) * 2013-05-23 2015-06-17 엘지디스플레이 주식회사 액정표시소자
CN107077234B (zh) * 2014-11-10 2020-07-14 株式会社旺得未来 触摸面板、触摸面板的制造方法以及触摸面板一体型显示装置
JP6827635B2 (ja) * 2016-12-09 2021-02-10 日亜化学工業株式会社 面光源装置、表示装置及び電子機器
US20180306960A1 (en) * 2017-04-25 2018-10-25 Wuhan China Star Optoelectronics Technology Co., Ltd. Backlight modules and liquid crystal displays
EP3782148A1 (en) * 2018-04-18 2021-02-24 Lumileds Holding B.V. Segmented backlight structure with in-coupling structures
KR102785601B1 (ko) 2018-12-26 2025-03-26 엘지이노텍 주식회사 조명 모듈, 조명 장치 및 그 제조방법
KR102884668B1 (ko) * 2019-08-01 2025-11-11 엘지이노텍 주식회사 조명 장치
US11874562B2 (en) * 2021-12-07 2024-01-16 Huizhou China Star Optoelectronics Display Co., Ltd. Component for dissipating heat of device, backlight module, and display panel

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001093321A (ja) * 1999-09-22 2001-04-06 Hitachi Ltd 照明装置、及びこれを用いた表示装置

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JP2000267093A (ja) * 1999-03-19 2000-09-29 Matsushita Electric Ind Co Ltd 照明装置およびこれを備えた携帯情報機器
JP2001312916A (ja) * 2000-02-24 2001-11-09 Sony Corp 面光源装置
JP4413455B2 (ja) * 2001-08-09 2010-02-10 日本ライツ株式会社 導光板および平面照明装置
US6948840B2 (en) 2001-11-16 2005-09-27 Everbrite, Llc Light emitting diode light bar
JP2004095390A (ja) * 2002-08-30 2004-03-25 Fujitsu Display Technologies Corp 照明装置及び表示装置
DE102004046696A1 (de) * 2004-05-24 2005-12-29 Osram Opto Semiconductors Gmbh Verfahren zur Montage eines Oberflächenleuchtsystems und Oberflächenleuchtsystem
WO2008032277A2 (en) * 2006-09-15 2008-03-20 Koninklijke Philips Electronics N.V. Flat and thin led-based luminary providing collimated light
TW200900766A (en) * 2007-02-21 2009-01-01 Koninkl Philips Electronics Nv Lighting system with improved rigidity
DE102007042104A1 (de) * 2007-09-05 2009-03-12 Osram Opto Semiconductors Gmbh Display-Anordnung sowie Verfahren zur Ansteuerung einer Displayeinheit einer Displayanordnung
KR101565934B1 (ko) * 2008-05-23 2015-11-06 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 갖는 표시장치
US8189135B2 (en) * 2008-05-27 2012-05-29 Lg Electronics Inc. LED back-light unit and liquid crystal display device using the same
US8220981B2 (en) * 2008-05-27 2012-07-17 Lg Electronics Inc. Liquid crystal display having a plurality of modules
US8360592B2 (en) * 2008-09-29 2013-01-29 Seoul Semiconductor Co., Ltd. Backlight unit and display apparatus having the same
US20110128450A1 (en) * 2008-09-30 2011-06-02 Sharp Kabushiki Kaisha Illumination device and liquid crystal display device
WO2010038516A1 (ja) * 2008-09-30 2010-04-08 シャープ株式会社 照明装置、面光源装置、および液晶表示装置
KR20100054209A (ko) 2008-11-14 2010-05-25 엘지이노텍 주식회사 액정표시장치 및 도광판의 제조방법
TW200938909A (en) 2009-03-13 2009-09-16 Global Lighting Technologies Taiwan Inc Section light-guide structure of light-guide plate
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KR101255287B1 (ko) * 2009-07-16 2013-04-15 엘지디스플레이 주식회사 백라이트 유닛
KR20110011463A (ko) 2009-07-28 2011-02-08 엘지이노텍 주식회사 라이트 유닛 및 이를 구비한 표시장치
KR101611616B1 (ko) * 2009-08-28 2016-04-11 엘지전자 주식회사 백라이트 유닛 및 그를 이용한 디스플레이 장치
JP5492519B2 (ja) * 2009-10-02 2014-05-14 日立コンシューマエレクトロニクス株式会社 バックライトユニットおよびそれを用いた映像表示装置
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Also Published As

Publication number Publication date
TWI594051B (zh) 2017-08-01
US20130003353A1 (en) 2013-01-03
EP2541136A1 (en) 2013-01-02
CN102853328A (zh) 2013-01-02
KR20130003407A (ko) 2013-01-09
US8915639B2 (en) 2014-12-23
EP2541136B1 (en) 2019-05-08
TW201300901A (zh) 2013-01-01
JP5959868B2 (ja) 2016-08-02
JP2013016459A (ja) 2013-01-24

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