KR101692509B1 - 디스플레이 장치 - Google Patents

디스플레이 장치 Download PDF

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Publication number
KR101692509B1
KR101692509B1 KR1020100108139A KR20100108139A KR101692509B1 KR 101692509 B1 KR101692509 B1 KR 101692509B1 KR 1020100108139 A KR1020100108139 A KR 1020100108139A KR 20100108139 A KR20100108139 A KR 20100108139A KR 101692509 B1 KR101692509 B1 KR 101692509B1
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KR
South Korea
Prior art keywords
light
absorption
layer
light sources
light source
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
KR1020100108139A
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English (en)
Korean (ko)
Other versions
KR20120046470A (ko
Inventor
김민상
윤덕현
김문정
서정인
김정환
장지원
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.)
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Publication date
Application filed by 엘지이노텍 주식회사 filed Critical 엘지이노텍 주식회사
Priority to KR1020100108139A priority Critical patent/KR101692509B1/ko
Priority to US13/213,216 priority patent/US8814377B2/en
Priority to TW100130114A priority patent/TWI536081B/zh
Priority to EP11179031.7A priority patent/EP2447767B1/en
Priority to JP2011186397A priority patent/JP5873664B2/ja
Priority to CN201110265806.XA priority patent/CN102466179B/zh
Publication of KR20120046470A publication Critical patent/KR20120046470A/ko
Application granted granted Critical
Publication of KR101692509B1 publication Critical patent/KR101692509B1/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
    • 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
    • G02B6/0013—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
    • G02B6/0033—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
    • G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk 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
    • G02B6/0035—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
    • 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
    • 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
    • G02F1/133504—Diffusing, scattering, diffracting elements
    • 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
    • G02F1/133603—Direct backlight with LEDs

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
KR1020100108139A 2010-11-02 2010-11-02 디스플레이 장치 Expired - Fee Related KR101692509B1 (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1020100108139A KR101692509B1 (ko) 2010-11-02 2010-11-02 디스플레이 장치
US13/213,216 US8814377B2 (en) 2010-11-02 2011-08-19 Backlight unit and display apparatus using the same
TW100130114A TWI536081B (zh) 2010-11-02 2011-08-23 背光單元及使用該背光單元的顯示裝置
EP11179031.7A EP2447767B1 (en) 2010-11-02 2011-08-26 Backlight unit and display apparatus comprising the backlight unit
JP2011186397A JP5873664B2 (ja) 2010-11-02 2011-08-29 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
CN201110265806.XA CN102466179B (zh) 2010-11-02 2011-08-31 背光单元和使用背光单元的显示设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100108139A KR101692509B1 (ko) 2010-11-02 2010-11-02 디스플레이 장치

Publications (2)

Publication Number Publication Date
KR20120046470A KR20120046470A (ko) 2012-05-10
KR101692509B1 true KR101692509B1 (ko) 2017-01-03

Family

ID=44534040

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020100108139A Expired - Fee Related KR101692509B1 (ko) 2010-11-02 2010-11-02 디스플레이 장치

Country Status (6)

Country Link
US (1) US8814377B2 (https=)
EP (1) EP2447767B1 (https=)
JP (1) JP5873664B2 (https=)
KR (1) KR101692509B1 (https=)
CN (1) CN102466179B (https=)
TW (1) TWI536081B (https=)

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KR101692509B1 (ko) * 2010-11-02 2017-01-03 엘지이노텍 주식회사 디스플레이 장치
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JP6192987B2 (ja) * 2012-06-12 2017-09-06 エルジー イノテック カンパニー リミテッド 照明装置
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KR101331908B1 (ko) * 2012-07-04 2013-11-22 엘지디스플레이 주식회사 액정표시장치용 백라이트 유닛 및 그 제조방법
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KR102066138B1 (ko) 2013-11-26 2020-01-14 엘지디스플레이 주식회사 반사 시트와 이의 제조 방법
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EP3015912B1 (en) 2014-10-31 2017-12-06 LG Electronics Inc. Backlight unit and display device including backlight unit
KR102309878B1 (ko) 2014-10-31 2021-10-08 엘지전자 주식회사 백라이트 유닛 및 이를 포함하는 디스플레이 장치
WO2016068590A1 (en) * 2014-10-31 2016-05-06 Lg Electronics Inc. Backlight unit and display device including backlight unit
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US20160313493A1 (en) * 2015-04-27 2016-10-27 Chi Lin Optoelectronics Co., Ltd. Light guide plate and transparent display apparatus having the same
CN105204224B (zh) * 2015-10-30 2018-09-14 擎中科技（上海）有限公司 一种3d显示器件
KR102463846B1 (ko) 2015-12-30 2022-11-04 엘지디스플레이 주식회사 백라이트 유닛 및 그를 포함하는 표시장치
JP7122832B2 (ja) * 2018-02-08 2022-08-22 シャープ株式会社 照明装置、表示装置及びテレビ受信装置
WO2021055567A1 (en) * 2019-09-17 2021-03-25 Ghsp, Inc. Insulated transparent display for an appliance
KR102254403B1 (ko) * 2019-09-25 2021-05-20 엘지전자 주식회사 백라이트 유닛 및 이를 포함하는 디스플레이 디바이스
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KR20210117726A (ko) * 2020-03-20 2021-09-29 엘지이노텍 주식회사 조명모듈 및 조명장치

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US20100172153A1 (en) * 2006-09-19 2010-07-08 Koninklijke Philips Electronics N V Illumination system for luminaires and display devices
WO2010052605A1 (en) * 2008-11-05 2010-05-14 Koninklijke Philips Electronics N.V. Light emitting device

Also Published As

Publication number Publication date
JP5873664B2 (ja) 2016-03-01
KR20120046470A (ko) 2012-05-10
CN102466179B (zh) 2015-11-25
TWI536081B (zh) 2016-06-01
US8814377B2 (en) 2014-08-26
CN102466179A (zh) 2012-05-23
JP2012099462A (ja) 2012-05-24
US20110305004A1 (en) 2011-12-15
EP2447767B1 (en) 2018-04-04
EP2447767A1 (en) 2012-05-02
TW201219925A (en) 2012-05-16

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