JP5324068B2 - バックライトアセンブリ及びそれを有する表示装置 - Google Patents
バックライトアセンブリ及びそれを有する表示装置 Download PDFInfo
- Publication number
- JP5324068B2 JP5324068B2 JP2007204832A JP2007204832A JP5324068B2 JP 5324068 B2 JP5324068 B2 JP 5324068B2 JP 2007204832 A JP2007204832 A JP 2007204832A JP 2007204832 A JP2007204832 A JP 2007204832A JP 5324068 B2 JP5324068 B2 JP 5324068B2
- Authority
- JP
- Japan
- Prior art keywords
- point light
- light source
- source group
- point
- backlight assembly
- 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.)
- Expired - Fee Related
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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
- G02F1/133603—Direct backlight with LEDs
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133613—Direct backlight characterized by the sequence of light sources
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S362/00—Illumination
- Y10S362/80—Light emitting diode
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)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Description
図5及び図6に示されたように、右下向または左下向63.5°の角度で区域を分けたとき、各区域で3種類の色が混合され、隣接された区域と2種類色が常に重なるので格子柄が視認される程度の色差異を示さない。
200 バックライトアセンブリ
210 回路基板
220 点光源グループ
230 光学部材
232 拡散板
234 光学シート
300 表示ユニット
310 表示パネル
320 駆動回路部
Claims (5)
- 回路基板と、
前記回路基板上に配列された点光源グループと、
を含み、
前記点光源グループは、互いに異なる色を発生する第1、第2、第3及び第4点光源を含み、
前記点光源グループは、前記回路基板上に列と行を有するマトリックス配列で配列され、
前記第1、第2、第3及び第4点光源は、前記マトリックス配列の行と列と平行な正四角形形態に配置され、
第1点光源グループに含まれる第1、第2、第3及び第4点光源の位置は前記行方向もしくは、前記列方向の何れか1方向に隣接して配置された第2点光源グループの第1、第2、第3及び第4点光源の位置に対して時計方向または反時計方向のいずれか1つの回転方向に90°角度で回転して配列され、
前記第1点光源グループに含まれる第1、第2、第3及び第4点光源の位置は、前記何れか1方向と垂直な方向に隣接して配置された第3点光源グループの第1、第2、第3及び第4点光源と比較するとき、180°角度で回転して配置され、
前記点光源グループ間の行方向の間隔と列方向の間隔が同一に配列されることを特徴とするバックライトアセンブリ。 - 前記第1点光源グループに含まれる第1、第2、第3及び第4点光源の位置は、前記第1点光源グループを除き、前記第2光源グループと前記第3光源グループの両方に隣接して配置される第4点光源グループの第1、第2、第3及び第4点光源の位置に対して前記いずれか1つの回転方向に270°角度で回転して配置されることを特徴とするバックライトアセンブリ。
- 前記第1点光源は赤色光を発生する赤色発光ダイオードを含み、 前記第2点光源は緑色光を発生する緑色発光ダイオードを含み、 前記第3点光源は青色光を発生する青色発光ダイオードを含み、前記第4点光源は白色光を発生する白色発光ダイオードを含むことを特徴とする請求項1記載のバックライトアセンブリ。
- 前記点光源グループの上部に配置される拡散板と、
前記拡散板の上部に配置される少なくとも一つの光学シートと、をさらに含むことを特徴とする請求項1記載のバックライトアセンブリ。 - 請求項1に記載のバックライトアセンブリと、
前記バックライトアセンブリから供給される光を用いて画像を表示する表示パネルと、
を含むことを特徴とする表示装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2006-0074038 | 2006-08-07 | ||
KR1020060074038A KR101284044B1 (ko) | 2006-08-07 | 2006-08-07 | 백라이트 어셈블리 및 이를 갖는 표시 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008041666A JP2008041666A (ja) | 2008-02-21 |
JP5324068B2 true JP5324068B2 (ja) | 2013-10-23 |
Family
ID=38622007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007204832A Expired - Fee Related JP5324068B2 (ja) | 2006-08-07 | 2007-08-07 | バックライトアセンブリ及びそれを有する表示装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7677750B2 (ja) |
EP (1) | EP1887415B1 (ja) |
JP (1) | JP5324068B2 (ja) |
KR (1) | KR101284044B1 (ja) |
CN (1) | CN101122716A (ja) |
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WO2008035493A1 (fr) * | 2006-09-20 | 2008-03-27 | Sharp Kabushiki Kaisha | Dispositif d'éclairage, dispositif de rétroéclairage utilisé pour un appareil d'affichage à cristaux liquides et appareil d'affichage à cristaux liquides |
MX2009008011A (es) * | 2007-01-29 | 2010-02-18 | Powermat Ltd | Acoplamiento de energia sin clavija y metodo para controlar la transferenca de la energia atraves de un acoplamiento inductivo. |
EP3975372B1 (en) | 2007-03-22 | 2024-01-31 | Powermat Technologies Ltd. | Efficiency monitor for inductive power transmission |
AU2008303118A1 (en) * | 2007-09-25 | 2009-04-02 | Powermat Technologies Ltd. | Inductive power transmission platform |
US10068701B2 (en) | 2007-09-25 | 2018-09-04 | Powermat Technologies Ltd. | Adjustable inductive power transmission platform |
US8283812B2 (en) * | 2007-10-09 | 2012-10-09 | Powermat Technologies, Ltd. | Inductive power providing system having moving outlets |
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US8536737B2 (en) * | 2007-11-19 | 2013-09-17 | Powermat Technologies, Ltd. | System for inductive power provision in wet environments |
JP5000479B2 (ja) * | 2007-12-27 | 2012-08-15 | シャープ株式会社 | 面光源、表示装置及びその製造方法 |
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US9960642B2 (en) | 2008-03-17 | 2018-05-01 | Powermat Technologies Ltd. | Embedded interface for wireless power transfer to electrical devices |
US9337902B2 (en) | 2008-03-17 | 2016-05-10 | Powermat Technologies Ltd. | System and method for providing wireless power transfer functionality to an electrical device |
US9331750B2 (en) | 2008-03-17 | 2016-05-03 | Powermat Technologies Ltd. | Wireless power receiver and host control interface thereof |
US9960640B2 (en) | 2008-03-17 | 2018-05-01 | Powermat Technologies Ltd. | System and method for regulating inductive power transmission |
US8320143B2 (en) * | 2008-04-15 | 2012-11-27 | Powermat Technologies, Ltd. | Bridge synchronous rectifier |
KR20110044734A (ko) * | 2008-06-02 | 2011-04-29 | 파우워매트 엘티디. | 전기기기에 설치된 파워아울렛 |
KR101359673B1 (ko) * | 2008-06-19 | 2014-02-07 | 삼성전자주식회사 | 면 광원 장치 및 이를 구비하는 백라이트 유닛 |
US11979201B2 (en) | 2008-07-02 | 2024-05-07 | Powermat Technologies Ltd. | System and method for coded communication signals regulating inductive power transmissions |
US8981598B2 (en) | 2008-07-02 | 2015-03-17 | Powermat Technologies Ltd. | Energy efficient inductive power transmission system and method |
US8188619B2 (en) * | 2008-07-02 | 2012-05-29 | Powermat Technologies Ltd | Non resonant inductive power transmission system and method |
CN102159986A (zh) * | 2008-07-08 | 2011-08-17 | 鲍尔马特有限公司 | 显示装置 |
WO2010035256A2 (en) | 2008-09-23 | 2010-04-01 | Powermat Ltd. | Combined antenna and inductive power receiver |
EP3422337B1 (en) | 2009-01-21 | 2020-05-27 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Apparatus and methods for color displays |
US20120175650A1 (en) * | 2009-10-09 | 2012-07-12 | Sharp Kabushiki Kaisha | Illuminating device and display device |
US8147093B2 (en) * | 2010-06-14 | 2012-04-03 | Bridgelux | Light source having LEDs of selected spectral output, and method for constructing same |
US8678603B2 (en) * | 2011-03-29 | 2014-03-25 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module having elastic holder and liquid crystal display employing same |
KR101881065B1 (ko) * | 2011-12-21 | 2018-07-24 | 삼성전자주식회사 | 광원 모듈 및 백라이트 유닛 |
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DE102005042066A1 (de) * | 2005-09-03 | 2007-03-15 | Osram Opto Semiconductors Gmbh | Hinterleuchtungsanordnung mit in Leuchtgruppen angeordneten Halbleiterlichtquellen |
-
2006
- 2006-08-07 KR KR1020060074038A patent/KR101284044B1/ko not_active IP Right Cessation
-
2007
- 2007-07-31 EP EP07014958A patent/EP1887415B1/en not_active Not-in-force
- 2007-08-02 US US11/832,687 patent/US7677750B2/en not_active Expired - Fee Related
- 2007-08-07 JP JP2007204832A patent/JP5324068B2/ja not_active Expired - Fee Related
- 2007-08-07 CN CNA2007101526531A patent/CN101122716A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US20080030985A1 (en) | 2008-02-07 |
KR101284044B1 (ko) | 2013-07-17 |
KR20080013049A (ko) | 2008-02-13 |
US7677750B2 (en) | 2010-03-16 |
CN101122716A (zh) | 2008-02-13 |
EP1887415A1 (en) | 2008-02-13 |
JP2008041666A (ja) | 2008-02-21 |
EP1887415B1 (en) | 2013-01-23 |
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