JP6186111B2 - バックライトユニット、これを用いるディスプレイ装置及びこれを含む照明システム - Google Patents

バックライトユニット、これを用いるディスプレイ装置及びこれを含む照明システム Download PDF

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Publication number
JP6186111B2
JP6186111B2 JP2012016199A JP2012016199A JP6186111B2 JP 6186111 B2 JP6186111 B2 JP 6186111B2 JP 2012016199 A JP2012016199 A JP 2012016199A JP 2012016199 A JP2012016199 A JP 2012016199A JP 6186111 B2 JP6186111 B2 JP 6186111B2
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Japan
Prior art keywords
cover plate
backlight unit
light source
unit according
protrusion
Prior art date
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Expired - Fee Related
Application number
JP2012016199A
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English (en)
Japanese (ja)
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JP2013098165A (ja
JP2013098165A5 (enExample
Inventor
キム・テフン
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LG Innotek Co Ltd
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LG Innotek Co Ltd
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Publication of JP2013098165A publication Critical patent/JP2013098165A/ja
Publication of JP2013098165A5 publication Critical patent/JP2013098165A5/ja
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    • 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
    • G02B6/0085—Means for removing heat created by the light source from 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
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • 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
    • 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
    • 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
    • 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
    • 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
    • G02F1/133628—Illuminating devices with cooling means

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
JP2012016199A 2011-11-02 2012-01-30 バックライトユニット、これを用いるディスプレイ装置及びこれを含む照明システム Expired - Fee Related JP6186111B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0113545 2011-11-02
KR1020110113545A KR101867044B1 (ko) 2011-11-02 2011-11-02 백라이트 유닛, 이를 이용한 디스플레이 장치 및 이를 포함하는 조명 장치

Publications (3)

Publication Number Publication Date
JP2013098165A JP2013098165A (ja) 2013-05-20
JP2013098165A5 JP2013098165A5 (enExample) 2015-03-12
JP6186111B2 true JP6186111B2 (ja) 2017-08-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012016199A Expired - Fee Related JP6186111B2 (ja) 2011-11-02 2012-01-30 バックライトユニット、これを用いるディスプレイ装置及びこれを含む照明システム

Country Status (4)

Country Link
US (2) US8807772B2 (enExample)
JP (1) JP6186111B2 (enExample)
KR (1) KR101867044B1 (enExample)
CN (1) CN103090262A (enExample)

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Publication number Priority date Publication date Assignee Title
KR101902394B1 (ko) * 2011-12-12 2018-09-28 엘지이노텍 주식회사 조명 유닛 및 그를 이용한 디스플레이 장치
KR101948141B1 (ko) * 2012-02-23 2019-02-14 엘지이노텍 주식회사 백라이트 유닛 및 그를 이용한 조명 시스템
CA2809555C (en) 2012-05-07 2015-07-21 Abl Ip Holding Llc Led light fixture
TWI522571B (zh) * 2012-08-27 2016-02-21 南臺科技大學 照明裝置
US20140177219A1 (en) * 2012-12-20 2014-06-26 Ecolite Manufacturing Co. Low Profile Light Fixture
CN103899942A (zh) * 2012-12-29 2014-07-02 欧普照明股份有限公司 一种照明灯具
CN105700238B (zh) * 2013-08-05 2019-03-15 青岛海信电器股份有限公司 侧光式液晶模组、直下式液晶模组及电视机
CN103439831B (zh) * 2013-08-05 2016-03-30 青岛海信电器股份有限公司 侧光式液晶模组、直下式液晶模组及电视机
KR102140579B1 (ko) * 2013-10-08 2020-08-03 엘지이노텍 주식회사 조명 장치
JP6440013B2 (ja) * 2014-04-30 2018-12-19 大日本印刷株式会社 照明システムおよび反射シート
CN105065937A (zh) * 2015-08-10 2015-11-18 苏州速腾电子科技有限公司 带有二次反射反射器的照明灯
KR102487682B1 (ko) * 2015-10-19 2023-01-16 쑤저우 레킨 세미컨덕터 컴퍼니 리미티드 조명 장치
KR102554267B1 (ko) * 2016-09-27 2023-07-12 엘지디스플레이 주식회사 디스플레이 장치
WO2024227035A1 (en) * 2023-04-27 2024-10-31 Whelen Engineering Company, Inc. Vehicle lighting system using light channels

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JP2001160312A (ja) * 1999-12-01 2001-06-12 Mitsubishi Electric Corp 面照明装置
JP2002040959A (ja) * 2000-07-19 2002-02-08 Enplas Corp 面光源装置及び画像表示装置
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
KR101098902B1 (ko) * 2005-04-01 2012-01-09 삼성전자주식회사 액정표시장치
JP2010080401A (ja) * 2008-09-29 2010-04-08 Fujifilm Corp 面状照明装置
JP4732526B2 (ja) * 2009-01-30 2011-07-27 シャープ株式会社 バックライト及び液晶表示装置
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Also Published As

Publication number Publication date
US20140328050A1 (en) 2014-11-06
CN103090262A (zh) 2013-05-08
US20120140444A1 (en) 2012-06-07
US8807772B2 (en) 2014-08-19
KR20130048607A (ko) 2013-05-10
JP2013098165A (ja) 2013-05-20
KR101867044B1 (ko) 2018-07-23
US9207392B2 (en) 2015-12-08

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