KR101433705B1 - 액정표시장치 - Google Patents

액정표시장치 Download PDF

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Publication number
KR101433705B1
KR101433705B1 KR1020120136978A KR20120136978A KR101433705B1 KR 101433705 B1 KR101433705 B1 KR 101433705B1 KR 1020120136978 A KR1020120136978 A KR 1020120136978A KR 20120136978 A KR20120136978 A KR 20120136978A KR 101433705 B1 KR101433705 B1 KR 101433705B1
Authority
KR
South Korea
Prior art keywords
liquid crystal
light guide
guide plate
crystal display
main frame
Prior art date
Application number
KR1020120136978A
Other languages
English (en)
Korean (ko)
Other versions
KR20140040599A (ko
Inventor
최은희
박진서
Original Assignee
엘지디스플레이 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 엘지디스플레이 주식회사 filed Critical 엘지디스플레이 주식회사
Priority to TW102133648A priority Critical patent/TWI529456B/zh
Priority to EP13185045.5A priority patent/EP2713200B1/en
Priority to CN201310435452.8A priority patent/CN103676228B/zh
Priority to US14/035,612 priority patent/US9377652B2/en
Priority to JP2013199120A priority patent/JP5775128B2/ja
Publication of KR20140040599A publication Critical patent/KR20140040599A/ko
Application granted granted Critical
Publication of KR101433705B1 publication Critical patent/KR101433705B1/ko

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0013Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023Means 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
    • G02B6/0025Diffusing sheet or layer; Prismatic sheet or layer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0066Light 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
    • G02B6/0073Light emitting diode [LED]
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0081Mechanical 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
    • G02B6/0086Positioning aspects
    • G02B6/009Positioning aspects of the light source in the package
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133524Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133615Edge-illuminating devices, i.e. illuminating from the side
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133317Intermediate frames, e.g. between backlight housing and front frame

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Planar Illumination Modules (AREA)
KR1020120136978A 2012-09-26 2012-11-29 액정표시장치 KR101433705B1 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
TW102133648A TWI529456B (zh) 2012-09-26 2013-09-17 液晶顯示裝置
EP13185045.5A EP2713200B1 (en) 2012-09-26 2013-09-18 Liquid crystal display device
CN201310435452.8A CN103676228B (zh) 2012-09-26 2013-09-23 液晶显示装置
US14/035,612 US9377652B2 (en) 2012-09-26 2013-09-24 Liquid crystal display device
JP2013199120A JP5775128B2 (ja) 2012-09-26 2013-09-26 液晶表示装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020120107401 2012-09-26
KR20120107401 2012-09-26

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020140091970A Division KR20140098045A (ko) 2012-09-26 2014-07-21 액정표시장치

Publications (2)

Publication Number Publication Date
KR20140040599A KR20140040599A (ko) 2014-04-03
KR101433705B1 true KR101433705B1 (ko) 2014-08-27

Family

ID=50650768

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020120136978A KR101433705B1 (ko) 2012-09-26 2012-11-29 액정표시장치
KR1020140091970A KR20140098045A (ko) 2012-09-26 2014-07-21 액정표시장치

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020140091970A KR20140098045A (ko) 2012-09-26 2014-07-21 액정표시장치

Country Status (3)

Country Link
JP (1) JP5775128B2 (zh)
KR (2) KR101433705B1 (zh)
TW (1) TWI529456B (zh)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI547668B (zh) * 2014-12-09 2016-09-01 揚昇照明股份有限公司 光源模組
KR102404722B1 (ko) * 2015-02-02 2022-06-02 삼성디스플레이 주식회사 액정 표시 장치
US10429704B2 (en) * 2015-03-26 2019-10-01 Semiconductor Energy Laboratory Co., Ltd. Display device, display module including the display device, and electronic device including the display device or the display module
KR102370682B1 (ko) 2015-08-06 2022-03-07 삼성디스플레이 주식회사 표시 장치
US10274142B2 (en) * 2015-09-30 2019-04-30 Sharp Kabushiki Kaisha Lighting device and display device
WO2017073170A1 (ja) * 2015-10-30 2017-05-04 ソニー株式会社 表示装置
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
US10061077B2 (en) 2016-01-07 2018-08-28 Japan Display Inc. Backlight device and display device including the same
KR102529717B1 (ko) * 2016-04-29 2023-05-04 엘지디스플레이 주식회사 표시장치
KR102502412B1 (ko) * 2016-05-09 2023-02-23 삼성디스플레이 주식회사 표시 장치 및 이를 포함하는 타일드 표시 장치
KR102360611B1 (ko) * 2017-07-13 2022-02-09 엘지전자 주식회사 디스플레이 디바이스
KR102421777B1 (ko) 2017-10-19 2022-07-18 삼성전자주식회사 디스플레이 장치
KR102576037B1 (ko) * 2018-10-30 2023-09-08 삼성전자주식회사 디스플레이 장치
JP7290460B2 (ja) * 2019-05-16 2023-06-13 ミネベアミツミ株式会社 面状照明装置
TWI829185B (zh) * 2022-06-07 2024-01-11 友達光電股份有限公司 顯示裝置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0615006U (ja) * 1992-07-28 1994-02-25 株式会社小糸製作所 面状発光体
JPH0794008A (ja) * 1993-09-24 1995-04-07 Chiyatani Sangyo Kk 面照明装置
JP2005158707A (ja) * 2003-11-07 2005-06-16 Sharp Corp バックライト装置及びこれを用いた液晶表示装置
KR20090019708A (ko) * 2007-08-20 2009-02-25 메이타쿠 고교 가부시키가이샤 디스플레이 장치

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4660162B2 (ja) * 2004-10-29 2011-03-30 オプトレックス株式会社 光学フィルムの固定装置
US8459857B2 (en) * 2010-04-26 2013-06-11 Mitsubishi Electric Corporation Planar light source device and display apparatus using the same
JP2012145843A (ja) * 2011-01-13 2012-08-02 Sharp Corp マルチディスプレイ装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0615006U (ja) * 1992-07-28 1994-02-25 株式会社小糸製作所 面状発光体
JPH0794008A (ja) * 1993-09-24 1995-04-07 Chiyatani Sangyo Kk 面照明装置
JP2005158707A (ja) * 2003-11-07 2005-06-16 Sharp Corp バックライト装置及びこれを用いた液晶表示装置
KR20090019708A (ko) * 2007-08-20 2009-02-25 메이타쿠 고교 가부시키가이샤 디스플레이 장치

Also Published As

Publication number Publication date
KR20140098045A (ko) 2014-08-07
JP2014067037A (ja) 2014-04-17
TWI529456B (zh) 2016-04-11
TW201415132A (zh) 2014-04-16
KR20140040599A (ko) 2014-04-03
JP5775128B2 (ja) 2015-09-09

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