JP2011249332A - 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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- JP2011249332A JP2011249332A JP2011116697A JP2011116697A JP2011249332A JP 2011249332 A JP2011249332 A JP 2011249332A JP 2011116697 A JP2011116697 A JP 2011116697A JP 2011116697 A JP2011116697 A JP 2011116697A JP 2011249332 A JP2011249332 A JP 2011249332A
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- JP
- Japan
- Prior art keywords
- guide plate
- bottom cover
- backlight unit
- light guide
- optical sheet
- 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.)
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Classifications
-
- 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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- 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)
Abstract
【解決手段】実施例は、ボトムカバーと、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と、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と、前記導光板に隣接して配置される光学シート及び反射シートと、前記導光板、前記反射シート及び前記光学シートのうち少なくともいずれか一つの枠部分に一方の側が開放されるように設けられる溝部と、前記光源モジュールが位置するボトムカバーの一方の側に突出して配置され、前記導光板、反射シート及び光学シートのうち少なくともいずれか一つの溝部に挿入される突出部とを含んでバックライトユニットを構成する。
【選択図】図1
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 (15)
- ボトムカバーと、
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と、
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と、
前記導光板に隣接して配置される光学シート及び反射シートと、
前記導光板、前記反射シート及び前記光学シートのうち少なくともいずれか一つの枠部分に一方の側が開放されるように設けられる溝部と、
前記光源モジュールが位置するボトムカバーの一方の側に突出して配置され、前記導光板、反射シート及び光学シートのうち少なくともいずれか一つの溝部に挿入される突出部と、を含むバックライトユニット。 - 前記溝部は、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に記載のバックライトユニット。
- 前記突出部は、前記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2に記載のバックライトユニット。
- 前記光学シートに設けられる溝部の位置、前記導光板に設けられる溝部の位置及び前記反射シートに設けられる溝部の位置は同一である、請求項1に記載のバックライトユニット。
- 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突出部によって共に支持される、請求項4に記載のバックライトユニット。
- 前記溝部は、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1に記載のバックライトユニット。
- 前記溝部は、内側が丸みを帯びて形成される、請求項1に記載のバックライトユニット。
- 前記突出部は、円筒状のボスに形成される、請求項7に記載のバックライトユニット。
- 丸みを帯びて形成される前記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に記載のバックライトユニット。
- 前記溝部はU字状に形成される、請求項1に記載のバックライトユニット。
- 前記溝部の左右幅と上下高さは、前記突出部の直径よりも大きく形成される、請求項1に記載のバックライトユニット。
- 前記突出部は、前記ボトムカバーの前面に形成される、請求項1に記載のバックライトユニット。
- 請求項1乃至12のいずれか1項のバックライトユニット;および
前記バックライトユニット上に配置された液晶パネルを含む表示装置。 - 前記突出部は、前記ボトムカバーの一方の側に突出して配置される、請求項13に記載の表示装置。
- 前記溝部は、少なくとも2個設けられ、互いに離隔して配置され、前記突出部は、前記溝部の位置に対応して配置される、請求項13に記載の表示装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2010-0048496 | 2010-05-25 | ||
KR1020100048496A KR101700790B1 (ko) | 2010-05-25 | 2010-05-25 | 표시장치 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2011249332A true JP2011249332A (ja) | 2011-12-08 |
JP2011249332A5 JP2011249332A5 (ja) | 2014-07-10 |
JP5784981B2 JP5784981B2 (ja) | 2015-09-24 |
Family
ID=44673969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011116697A Expired - Fee Related 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) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013140364A (ja) * | 2011-12-30 | 2013-07-18 | Samsung Electronics Co Ltd | ディスプレイ装置 |
WO2015025364A1 (ja) * | 2013-08-20 | 2015-02-26 | 堺ディスプレイプロダクト株式会社 | 光源装置及び表示装置 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012109207A (ja) * | 2010-10-18 | 2012-06-07 | Meitaku Kogyo Kk | 面照明体 |
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 |
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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JP2009176544A (ja) * | 2008-01-24 | 2009-08-06 | Funai Electric Co Ltd | 液晶モジュール |
JP2010097924A (ja) * | 2008-09-18 | 2010-04-30 | Hitachi Ltd | 液晶表示装置 |
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-
2010
- 2010-05-25 KR KR1020100048496A patent/KR101700790B1/ko active Active
-
2011
- 2011-05-24 US US13/114,699 patent/US8982299B2/en active Active
- 2011-05-24 EP EP11167315.8A patent/EP2390694B1/en active Active
- 2011-05-25 CN CN2011101467900A patent/CN102287681A/zh active Pending
- 2011-05-25 JP JP2011116697A patent/JP5784981B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09147618A (ja) * | 1995-11-20 | 1997-06-06 | Sharp Corp | 照明装置 |
JP2001216828A (ja) * | 2000-02-04 | 2001-08-10 | Seiko Epson Corp | 面光源ユニットならびにそれを備えた表示装置および電子機器 |
JP2008129259A (ja) * | 2006-11-20 | 2008-06-05 | Dainippon Printing Co Ltd | 光学シート、面光源装置、スクリーン、表示装置 |
JP2009176544A (ja) * | 2008-01-24 | 2009-08-06 | Funai Electric Co Ltd | 液晶モジュール |
JP2010097924A (ja) * | 2008-09-18 | 2010-04-30 | Hitachi Ltd | 液晶表示装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013140364A (ja) * | 2011-12-30 | 2013-07-18 | Samsung Electronics Co Ltd | ディスプレイ装置 |
WO2015025364A1 (ja) * | 2013-08-20 | 2015-02-26 | 堺ディスプレイプロダクト株式会社 | 光源装置及び表示装置 |
JPWO2015025364A1 (ja) * | 2013-08-20 | 2017-03-02 | 堺ディスプレイプロダクト株式会社 | 光源装置及び表示装置 |
US10031273B2 (en) | 2013-08-20 | 2018-07-24 | Sakai Display Products Corporation | Light source device and display apparatus |
Also Published As
Publication number | Publication date |
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EP2390694A1 (en) | 2011-11-30 |
KR101700790B1 (ko) | 2017-02-01 |
EP2390694B1 (en) | 2021-03-03 |
CN102287681A (zh) | 2011-12-21 |
KR20110129073A (ko) | 2011-12-01 |
US20110292320A1 (en) | 2011-12-01 |
US8982299B2 (en) | 2015-03-17 |
JP5784981B2 (ja) | 2015-09-24 |
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