JP5784981B2 - バックライトユニット及び表示装置 - Google Patents
バックライトユニット及び表示装置 Download PDFInfo
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- JP5784981B2 JP5784981B2 JP2011116697A JP2011116697A JP5784981B2 JP 5784981 B2 JP5784981 B2 JP 5784981B2 JP 2011116697 A JP2011116697 A JP 2011116697A JP 2011116697 A JP2011116697 A JP 2011116697A JP 5784981 B2 JP5784981 B2 JP 5784981B2
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- display device
- guide plate
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- light guide
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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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- 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
-
- 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
- G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
-
- 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
- G02F1/133553—Reflecting 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
-
- 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
- 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
-
- 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
- G02B6/0051—Diffusing 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
- G02B6/005—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
- 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133322—Mechanical guidance or alignment of LCD panel support components
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)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Description
20 反射シート
30 導光板
40 光学シート
50 固定部材
60 液晶表示パネル
70 トップカバー
Claims (21)
- ボトムカバー;
前記ボトムカバーの内側下部に配置される光源モジュール;
前記ボトムカバー上に配置され、第1の固定部材乃至第4の固定部材を含む固定部材;
前記光源モジュールと隣接して配置され、前記ボトムカバーの前方に配置される導光板;
前記導光板の枠部分に一側が開放されるように設けられる第1の溝部;
前記光源モジュールが位置するボトムカバーの一側に突出して配置され、前記導光板の第1の溝部に挿入される第1の突出部;
前記固定部材を前記ボトムカバーに固定させる結合部材;
前記ボトムカバーの前面に互いに離隔して配置される第1の放熱部材;及び
前記第1の放熱部材の下部に配置される第2の放熱部材;を含み、
前記第2の放熱部材は、突出部分を備える第1の放熱部と、前記第1の放熱部と垂直に配置される第2の放熱部と、を含み、
前記第2の放熱部上に前記光源モジュールが配置される表示装置。 - 前記第1の溝部は、少なくとも2個設けられ、互いに離隔して配置される、請求項1に記載の表示装置。
- 前記第1の突出部は、前記第1の溝部の位置に対応するように少なくとも2個設けられ、互いに離隔して配置される、請求項1または2に記載の表示装置。
- 前記導光板と隣接して配置される光学シート及び反射シートをさらに含み、前記導光板は、前記光学シートと前記反射シートとの間に配置され、前記光学シートに設けられる第1の溝部の位置、前記導光板に設けられる第1の溝部の位置及び前記反射シートに設けられる第1の溝部の位置は同一である、請求項1乃至3のいずれか1項に記載の表示装置。
- 前記光学シート、前記導光板及び前記反射シートが重なり、前記光学シート、前記導光板及び前記反射シートは前記第1の突出部によって共に支持される、請求項4に記載の表示装置。
- 前記第1の溝部は、外側が前記導光板、前記光学シート及び前記反射シートの枠方向に開放されるように形成される、請求項4に記載の表示装置。
- 前記第1の溝部は、内側が丸みを帯びて形成される、請求項1乃至6のいずれか1項に記載の表示装置。
- 前記第1の突出部は、円筒状のボスに形成される、請求項7に記載の表示装置。
- 丸みを帯びて形成される前記第1の溝部の内側部分の曲率半径は、円筒状に設けられる前記ボスの半径よりも大きく形成される、請求項8に記載の表示装置。
- 前記第1の溝部はU字状に形成される、請求項1乃至9のいずれか1項に記載の表示装置。
- 前記第1の溝部の左右幅と上下高さは、前記第1の突出部の直径よりも大きく形成される、請求項1乃至10のいずれか1項に記載の表示装置。
- 前記第1の突出部は、前記ボトムカバーの前面に形成される、請求項1乃至11のいずれか1項に記載の表示装置。
- 前記第1の固定部材は合成樹脂からなり、前記第2の固定部材乃至第4の固定部材は金属からなる、請求項1乃至12のいずれか1項に記載の表示装置。
- 前記導光板の前面に配置される液晶表示パネルをさらに含み、前記第2の固定部材は、前記液晶表示パネルを支持する第1の部分を含む、請求項1乃至13のいずれか1項に記載の表示装置。
- 前記第1の固定部材は、前記第1の部分から上側方向に突出して前記液晶表示パネルの移動を防止する第2の部分をさらに含む、請求項14に記載の表示装置。
- 前記第1の固定部材は、前記第1の部分から下側方向に突出する第3の部分及び第4の部分をさらに含み、前記第3の部分及び第4の部分は、前記ボトムカバーの側壁の内側及び外側に互いに離隔して交互に配置される、請求項14に記載の表示装置。
- 前記第2の固定部材は、前記第3の部分に形成される各結合突起をさらに含む、請求項16に記載の表示装置。
- 前記ボトムカバーの下部に配置される第2の突出部をさらに含み、前記第2の突出部は、隣接した前記各第2の放熱部材間に配置される、請求項1に記載の表示装置。
- 前記導光板に配置され、前記各第2の突出部が挿入される第2の溝部をさらに含む、請求項18に記載の表示装置。
- 前記液晶表示パネルの前方に配置されるトップカバーをさらに含み、前記固定部材は、前記ボトムカバーと前記トップカバーを固定させる、請求項14に記載の表示装置。
- 前記導光板と隣接して配置される光学シート及び反射シートをさらに含み、前記導光板は、前記光学シートと前記反射シートとの間に配置され、前記固定部材は、前記導光板、反射シート及び光学シートの外側に配置される、請求項1に記載の表示装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100048496A KR101700790B1 (ko) | 2010-05-25 | 2010-05-25 | 표시장치 |
KR10-2010-0048496 | 2010-05-25 |
Publications (3)
Publication Number | Publication Date |
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JP2011249332A JP2011249332A (ja) | 2011-12-08 |
JP2011249332A5 JP2011249332A5 (ja) | 2014-07-10 |
JP5784981B2 true JP5784981B2 (ja) | 2015-09-24 |
Family
ID=44673969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011116697A Active JP5784981B2 (ja) | 2010-05-25 | 2011-05-25 | バックライトユニット及び表示装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8982299B2 (ja) |
EP (1) | EP2390694B1 (ja) |
JP (1) | JP5784981B2 (ja) |
KR (1) | KR101700790B1 (ja) |
CN (1) | CN102287681A (ja) |
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JP2012109207A (ja) * | 2010-10-18 | 2012-06-07 | Meitaku Kogyo Kk | 面照明体 |
KR101876369B1 (ko) * | 2011-12-30 | 2018-07-10 | 삼성전자주식회사 | 디스플레이 장치 |
CN102679118A (zh) * | 2012-06-13 | 2012-09-19 | 昆山维金五金制品有限公司 | 显示屏的上固定件 |
KR101969323B1 (ko) * | 2012-06-29 | 2019-04-16 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 이를 포함하는 액정표시장치모듈 |
US10031273B2 (en) | 2013-08-20 | 2018-07-24 | Sakai Display Products Corporation | Light source device and display apparatus |
CN104503109B (zh) * | 2014-12-08 | 2017-10-17 | 青岛海信电器股份有限公司 | 一种液晶显示模组及显示装置 |
KR20180003687A (ko) * | 2016-06-30 | 2018-01-10 | 삼성디스플레이 주식회사 | 반사형 액정표시장치 |
CN107193333B (zh) * | 2017-06-19 | 2020-06-23 | 京东方科技集团股份有限公司 | 显示装置及其显示模块 |
CN109584727B (zh) * | 2019-01-29 | 2021-12-21 | 维沃移动通信有限公司 | 终端设备 |
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JP4915354B2 (ja) | 2008-01-24 | 2012-04-11 | 船井電機株式会社 | 液晶モジュール |
JP2010097924A (ja) | 2008-09-18 | 2010-04-30 | Hitachi Ltd | 液晶表示装置 |
KR101511493B1 (ko) * | 2008-11-27 | 2015-04-14 | 삼성디스플레이 주식회사 | 액정 표시 모듈 및 이를 포함하는 표시 장치 세트 및 액정 표시 모듈의 조립 방법 |
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- 2011-05-24 US US13/114,699 patent/US8982299B2/en active Active
- 2011-05-25 JP JP2011116697A patent/JP5784981B2/ja active Active
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CN102287681A (zh) | 2011-12-21 |
EP2390694A1 (en) | 2011-11-30 |
EP2390694B1 (en) | 2021-03-03 |
JP2011249332A (ja) | 2011-12-08 |
KR20110129073A (ko) | 2011-12-01 |
US20110292320A1 (en) | 2011-12-01 |
KR101700790B1 (ko) | 2017-02-01 |
US8982299B2 (en) | 2015-03-17 |
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