JP2011249331A - 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
- Publication number
- JP2011249331A JP2011249331A JP2011116531A JP2011116531A JP2011249331A JP 2011249331 A JP2011249331 A JP 2011249331A JP 2011116531 A JP2011116531 A JP 2011116531A JP 2011116531 A JP2011116531 A JP 2011116531A JP 2011249331 A JP2011249331 A JP 2011249331A
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- JP
- Japan
- Prior art keywords
- backlight unit
- guide plate
- buffer member
- light
- light guide
- 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.)
- Granted
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- 230000003287 optical effect Effects 0.000 claims abstract description 52
- 239000004973 liquid crystal related substance Substances 0.000 claims description 25
- 230000003139 buffering effect Effects 0.000 abstract 1
- 238000009792 diffusion process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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
- G02B6/0093—Means for protecting 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
-
- 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
- G02B6/0088—Positioning aspects of the light guide or other optical sheets 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
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/50—Protective arrangements
- G02F2201/503—Arrangements improving the resistance to shock
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
【達成手段】このバックライトユニットは、光を出射する発光素子と、前記発光素子から発生した光を一定方向にガイドする光学部材と、前記光学部材を支持するように前記光学部材の背面に配置される下部シャーシと、前記発光素子の含まれているモジュールを支持し、前記下部シャーシと一部が接触する支持部材と、前記光学部材の背面と前記下部シャーシとの間に配置される緩衝部材と、を含む構成とした。
【選択図】図1
Description
前記緩衝部材は、ライン形態に配置されることができる。
Claims (16)
- 光を出射する発光素子と、
前記発光素子から発生した光を一定方向にガイドする光学部材と、
前記光学部材を支持するように前記光学部材の背面に配置される下部シャーシと、
前記発光素子の含まれているモジュールを支持し、前記下部シャーシと一部が接触する支持部材と、
前記光学部材の背面と前記下部シャーシとの間に配置される緩衝部材と、
を含む、バックライトユニット。 - 前記光学部材は導光板を含む、請求項1に記載のバックライトユニット。
- 前記光学部材は、前記緩衝部材と前記導光板との間に配置されて、前記導光板の背面から出射する光を前記導光板に再入射させる反射シートをさらに含む、請求項2に記載のバックライトユニット。
- 前記緩衝部材は、前記光学部材の背面と前記下部シャーシのうち少なくとも一つと直接接触する、請求項1に記載のバックライトユニット。
- 前記緩衝部材は、前記光学部材の領域内に配置される、請求項1に記載のバックライトユニット。
- 前記緩衝部材は、ライン形態に配置される、請求項1に記載のバックライトユニット。
- 前記緩衝部材は、互いに対向する2個のライン形態である、請求項1に記載のバックライトユニット。
- 前記下部シャーシは、前記導光板に向かって突出する少なくとも一つの突出部を有し、前記緩衝部材は、前記少なくとも一つの突出部の表面に接触する、請求項1に記載のバックライトユニット。
- 前記緩衝部材は、絶縁テープである、請求項1に記載のバックライトユニット。
- 前記支持部材はブラケットであり、前記ブラケットは、前記下部シャーシに垂直な垂直部と、前記垂直部に連結され、前記下部シャーシに平行な水平部を含む、請求項1に記載のバックライトユニット。
- 前記緩衝部材は、前記ブラケットの水平部と前記光学部材との間に配置される、請求項10に記載のバックライトユニット。
- 前記支持部材は、ガイドパネルをさらに含む、請求項10に記載のバックライトユニット。
- 前記ブラケットの水平部は、前記光学部材に向かって突出する少なくとも一つの支持突出部を有し、前記緩衝部材は、前記少なくとも一つの支持突出部の表面に接触する、請求項10に記載のバックライトユニット。
- 前記下部シャーシは、前記光学部材に向かって突出する少なくとも一つの突出部を有し、前記少なくとも一つの突出部と前記光学部材との間に第2緩衝部材をさらに含む、請求項10に記載のバックライトユニット。
- 請求項1乃至14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。 - 前記光学部材は、導光板と、前記緩衝部材と前記導光板との間に配置されて前記導光板の背面から出射する光を前記導光板に再入射させる反射板と、を含む、請求項15に記載の表示装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2010-0048498 | 2010-05-25 | ||
KR1020100048498 | 2010-05-25 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2011249331A true JP2011249331A (ja) | 2011-12-08 |
JP2011249331A5 JP2011249331A5 (ja) | 2014-07-10 |
JP5864132B2 JP5864132B2 (ja) | 2016-02-17 |
Family
ID=44117876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011116531A Active JP5864132B2 (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 (4)
Country | Link |
---|---|
US (2) | US20110292317A1 (ja) |
EP (1) | EP2390693B1 (ja) |
JP (1) | JP5864132B2 (ja) |
CN (1) | CN102297361B (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013238639A (ja) * | 2012-05-11 | 2013-11-28 | Sharp Corp | 表示装置、及びテレビ受信装置 |
JP2014170079A (ja) * | 2013-03-01 | 2014-09-18 | Funai Electric Co Ltd | 表示装置 |
JP2014206654A (ja) * | 2013-04-12 | 2014-10-30 | 船井電機株式会社 | 表示装置 |
WO2014196228A1 (ja) * | 2013-06-07 | 2014-12-11 | 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 |
JP2015111205A (ja) * | 2013-12-06 | 2015-06-18 | シャープ株式会社 | 液晶表示装置 |
CN110361882A (zh) * | 2019-07-23 | 2019-10-22 | 京东方科技集团股份有限公司 | 外背板、背板组件和显示装置 |
JPWO2020202502A1 (ja) * | 2019-04-03 | 2021-09-13 | 三菱電機株式会社 | 車載情報機器 |
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JP5636878B2 (ja) * | 2010-10-29 | 2014-12-10 | ソニー株式会社 | 表示装置、照明装置および筐体 |
US9322980B2 (en) * | 2011-10-06 | 2016-04-26 | Sharp Kabushiki Kaisha | Illumination device, display device, and television receiving device |
US9621838B2 (en) | 2011-10-25 | 2017-04-11 | Funai Electric Co., Ltd. | Display device and television apparatus |
US8801263B2 (en) | 2011-12-13 | 2014-08-12 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backplate and backlight module comprising the same |
CN102537882B (zh) * | 2011-12-13 | 2014-11-05 | 深圳市华星光电技术有限公司 | 背板及相应的背光模组 |
US8905618B2 (en) * | 2012-03-13 | 2014-12-09 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Combined backplane and backlight module using same |
US8982298B2 (en) * | 2012-07-02 | 2015-03-17 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display comprising springs that horizontally expand and contract a third backplane unit relative to a first and second backplane |
US8834006B2 (en) * | 2012-07-24 | 2014-09-16 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Backlight module and liquid crystal display device |
KR101911902B1 (ko) * | 2012-07-25 | 2018-10-26 | 삼성디스플레이 주식회사 | 충격 흡수 부재 및 이를 포함하는 표시장치 |
CN102788297B (zh) * | 2012-07-31 | 2014-08-06 | 深圳市华星光电技术有限公司 | 背光模组的组装治具及组装方法 |
US9110198B2 (en) * | 2012-09-26 | 2015-08-18 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module |
TWI495933B (zh) | 2012-10-17 | 2015-08-11 | Au Optronics Corp | 顯示裝置 |
KR102049854B1 (ko) * | 2013-01-23 | 2019-11-28 | 엘지전자 주식회사 | 평면 조명 장치 |
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-
2011
- 2011-05-23 EP EP11167045.1A patent/EP2390693B1/en active Active
- 2011-05-24 US US13/114,800 patent/US20110292317A1/en not_active Abandoned
- 2011-05-25 CN CN201110146786.4A patent/CN102297361B/zh active Active
- 2011-05-25 JP JP2011116531A patent/JP5864132B2/ja active Active
-
2014
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JP2013238639A (ja) * | 2012-05-11 | 2013-11-28 | Sharp Corp | 表示装置、及びテレビ受信装置 |
JP2014170079A (ja) * | 2013-03-01 | 2014-09-18 | Funai Electric Co Ltd | 表示装置 |
JP2014206654A (ja) * | 2013-04-12 | 2014-10-30 | 船井電機株式会社 | 表示装置 |
US10114169B2 (en) | 2013-04-12 | 2018-10-30 | Funai Electric Co., Ltd. | Display device |
WO2014196228A1 (ja) * | 2013-06-07 | 2014-12-11 | 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 |
US9632237B2 (en) | 2013-06-07 | 2017-04-25 | Sharp Kabushiki Kaisha | Illumination device, display device, and TV receiver |
JP2015111205A (ja) * | 2013-12-06 | 2015-06-18 | シャープ株式会社 | 液晶表示装置 |
JPWO2020202502A1 (ja) * | 2019-04-03 | 2021-09-13 | 三菱電機株式会社 | 車載情報機器 |
CN110361882A (zh) * | 2019-07-23 | 2019-10-22 | 京东方科技集团股份有限公司 | 外背板、背板组件和显示装置 |
CN110361882B (zh) * | 2019-07-23 | 2022-04-22 | 高创(苏州)电子有限公司 | 外背板、背板组件和显示装置 |
US11500233B2 (en) | 2019-07-23 | 2022-11-15 | K-Tronics (Suzhou) Technology Co., Ltd. | Outer back plate, back plate assembly and display device |
Also Published As
Publication number | Publication date |
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US20110292317A1 (en) | 2011-12-01 |
US9739933B2 (en) | 2017-08-22 |
EP2390693A1 (en) | 2011-11-30 |
CN102297361A (zh) | 2011-12-28 |
US20140347881A1 (en) | 2014-11-27 |
CN102297361B (zh) | 2015-09-09 |
EP2390693B1 (en) | 2022-11-23 |
JP5864132B2 (ja) | 2016-02-17 |
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