JP4523621B2 - 液晶表示装置のバックライトユニット - Google Patents
液晶表示装置のバックライトユニット Download PDFInfo
- Publication number
- JP4523621B2 JP4523621B2 JP2007149403A JP2007149403A JP4523621B2 JP 4523621 B2 JP4523621 B2 JP 4523621B2 JP 2007149403 A JP2007149403 A JP 2007149403A JP 2007149403 A JP2007149403 A JP 2007149403A JP 4523621 B2 JP4523621 B2 JP 4523621B2
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- Prior art keywords
- liquid crystal
- crystal display
- backlight unit
- display device
- piece
- 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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- 239000004973 liquid crystal related substance Substances 0.000 title claims description 37
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 claims 1
- 239000011521 glass Substances 0.000 description 7
- 239000011261 inert gas Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Classifications
-
- 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
- G02F1/133604—Direct backlight with lamps
-
- 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
-
- 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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133612—Electrical details
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
前記目的の外、本発明の他の目的及び利点は、添付図面を参照した本発明の好ましい実施の形態に対する説明を通じて明らかに示される。
Claims (7)
- 液晶表示パネルに光を照射する複数のランプと、前記ランプから照射された光を前記液晶表示パネルの方向に反射させるための反射シートとを備えたバックライトユニットにおいて、
前記反射シートが配置される収納空間を備えたカバーボトムと、
前記カバーボトムの収納空間内の側壁に配置され、前記反射シートの両側に対称となるように位置した第1及び第2サイドボトムと、
前記複数のランプの両側にそれぞれ共通接続された第1及び第2共通電極と、
前記ランプ間に位置し、前記第1サイドボトムと前記カバーボトムとを貫通して形成された第1ピースと、
前記ランプ間に位置し、前記第2サイドボトムと前記カバーボトムとを貫通して形成された第2ピースと
を備え、
前記第1共通電極と接続された駆動電流供給用の第1ワイヤーが前記第1ピースを貫通して配置され、
前記第1ピースがホールを有し前記カバーボトムの底部に向けて貫通して配置され、
前記第2ピースがホールを有し前記カバーボトムの底部に向けて貫通して配置され、
前記第2共通電極と接続された駆動電流供給用の第2ワイヤーが前記第2ピースを貫通して配置される
ことを特徴とする液晶表示装置のバックライトユニット。 - 前記第1及び第2サイドボトムはシリコンで構成されることを特徴とする請求項1に記載の液晶表示装置のバックライトユニット。
- 前記第1及び第2ピースはプラスチックで構成されることを特徴とする請求項1に記載の液晶表示装置のバックライトユニット。
- 前記第1及び第2ピースは対称となる位置に形成されることを特徴とする請求項1に記載の液晶表示装置のバックライトユニット。
- 前記第1及び第2ピースは対称とならない位置に形成されることを特徴とする請求項1に記載の液晶表示装置のバックライトユニット。
- 前記第1及び第2ピースの直径が同一に形成されることを特徴とする請求項1に記載の液晶表示装置のバックライトユニット。
- 前記第1及び第2ピースの直径が異なって形成されることを特徴とする請求項1に記載の液晶表示装置のバックライトユニット。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060051972A KR101254807B1 (ko) | 2006-06-09 | 2006-06-09 | 액정표시소자의 백라이트 유닛 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007329128A JP2007329128A (ja) | 2007-12-20 |
JP4523621B2 true JP4523621B2 (ja) | 2010-08-11 |
Family
ID=38370378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007149403A Active JP4523621B2 (ja) | 2006-06-09 | 2007-06-05 | 液晶表示装置のバックライトユニット |
Country Status (5)
Country | Link |
---|---|
US (1) | US7540626B2 (ja) |
EP (1) | EP1865368B1 (ja) |
JP (1) | JP4523621B2 (ja) |
KR (1) | KR101254807B1 (ja) |
CN (1) | CN100573270C (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8973824B2 (en) * | 2007-12-24 | 2015-03-10 | Dynamics Inc. | Cards and devices with magnetic emulators with zoning control and advanced interiors |
CN101576684B (zh) * | 2008-05-05 | 2010-12-08 | 冠捷投资有限公司 | 直下式背光模块 |
KR101236892B1 (ko) * | 2008-07-08 | 2013-02-28 | 엘지디스플레이 주식회사 | 스크류 풀림방지기능을 갖는 액정표시장치모듈 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006113513A (ja) * | 2004-10-11 | 2006-04-27 | Samsung Electronics Co Ltd | 光学フィルムと、これの製造方法及びこれを有する平板蛍光ランプ及び表示装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0433202A (ja) * | 1990-05-29 | 1992-02-04 | Toshiba Lighting & Technol Corp | 照明装置 |
KR100892585B1 (ko) | 2002-08-09 | 2009-04-08 | 삼성전자주식회사 | 램프 어셈블리, 이를 이용한 광공급 모듈 및 이를 구비한3 단 분리형 액정표시장치 |
KR100525440B1 (ko) * | 2002-12-31 | 2005-11-02 | 엘지.필립스 엘시디 주식회사 | 백 라이트 유닛 |
KR100936180B1 (ko) * | 2003-03-03 | 2010-01-11 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 이용한 액정표시장치 |
TWI234631B (en) * | 2004-01-16 | 2005-06-21 | Hannstar Display Corp | Liquid crystal display and planar light source device |
KR20060033063A (ko) * | 2004-10-14 | 2006-04-19 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 갖는 액정표시장치 |
-
2006
- 2006-06-09 KR KR1020060051972A patent/KR101254807B1/ko active IP Right Grant
-
2007
- 2007-05-30 EP EP07010705.7A patent/EP1865368B1/en active Active
- 2007-06-05 JP JP2007149403A patent/JP4523621B2/ja active Active
- 2007-06-08 CN CNB2007101089690A patent/CN100573270C/zh active Active
- 2007-06-11 US US11/808,570 patent/US7540626B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006113513A (ja) * | 2004-10-11 | 2006-04-27 | Samsung Electronics Co Ltd | 光学フィルムと、これの製造方法及びこれを有する平板蛍光ランプ及び表示装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2007329128A (ja) | 2007-12-20 |
CN100573270C (zh) | 2009-12-23 |
US20080055510A1 (en) | 2008-03-06 |
CN101086583A (zh) | 2007-12-12 |
EP1865368B1 (en) | 2016-02-24 |
EP1865368A1 (en) | 2007-12-12 |
US7540626B2 (en) | 2009-06-02 |
KR20070117833A (ko) | 2007-12-13 |
KR101254807B1 (ko) | 2013-04-15 |
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