JP6203518B2 - バックライト装置及びこれを含む液晶表示装置 - Google Patents
バックライト装置及びこれを含む液晶表示装置 Download PDFInfo
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- JP6203518B2 JP6203518B2 JP2013082594A JP2013082594A JP6203518B2 JP 6203518 B2 JP6203518 B2 JP 6203518B2 JP 2013082594 A JP2013082594 A JP 2013082594A JP 2013082594 A JP2013082594 A JP 2013082594A JP 6203518 B2 JP6203518 B2 JP 6203518B2
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- Prior art keywords
- light
- guide plate
- bar
- light source
- liquid crystal
- 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
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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
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- 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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
- G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
-
- 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
- G02F1/133603—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
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
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)
Description
105 トップシャーシ
110 ボトムシャーシ
115 プリズムシート
118 反射シート
120 拡散シート
150 陥没部
LSB 光源バー
LGP 導光板
Claims (10)
- 複数の辺を含み、前記複数の辺のうちの少なくとも一つに陥没部が形成された導光板と、
前記陥没部内に配置されて、互いに異なる方向に光を出射する複数の光源を含む光源バーと、
を含み、
前記光源バーは前記陥没部内のみに位置することを特徴とするバックライト装置。 - 前記光源バーは、メインバーと、前記メインバーと曲がった形状を形成しながら連結されるサブバーとを含み、
前記複数の光源のうちの少なくとも一つは前記メインバーに配置され、前記複数の光源のうちの少なくとも一つは前記サブバーに配置されることを特徴とする請求項1に記載のバックライト装置。 - 前記導光板の前記複数の辺は、第1辺と、前記第1辺と接する第2辺とを含み、
前記第1辺の長さは前記第2辺の長さより長く、
前記陥没部は前記第1辺に形成されることを特徴とする請求項1に記載のバックライト装置。 - 前記導光板の前記複数の辺は、第1辺と、前記第1辺と接する第2辺とを含み、
前記第1辺の長さは前記第2辺の長さより長く、
前記陥没部は前記第2辺に形成されることを特徴とする請求項1に記載のバックライト装置。 - 前記光源バーは、前記導光板の前記複数の辺に複数個配置されることを特徴とする請求項1に記載のバックライト装置。
- 前記陥没部は台形状を有することを特徴とする請求項1乃至請求項5のいずれか一項に記載のバックライト装置。
- 前記複数の光源それぞれは、60°以上80°以下の出射角を有する、請求項1に記載のバックライト装置。
- 液晶パネルと、
前記液晶パネルに光を供給するバックライト装置と、
前記液晶パネル及び前記バックライト装置を収納するためのボトムシャーシと
を含み、
前記バックライト装置は、
複数の辺を含み、前記複数の辺のうちの少なくとも一つに陥没部が形成された導光板と、
前記陥没部内に配置されて、互いに異なる方向に光を出射する複数の光源を含む光源バーと、
を含み、
前記ボトムシャーシは、前記導光板の陥没部に沿って凹んだ形状を有し、
前記光源バーは前記ボトムシャーシの凹んだ形状部分と前記導光板の陥没部との間に配置されることを特徴とする液晶表示装置。 - 前記光源バーは、メインバーと、前記メインバーと曲がった形状を形成しながら連結されるサブバーとを含み、
前記複数の光源のうちの少なくとも一つは前記メインバーに配置され、前記複数の光源のうちの少なくとも一つは前記サブバーに配置されることを特徴とする請求項8に記載の液晶表示装置。 - 前記導光板の前記複数の辺は、第1辺と、前記第1辺と接する第2辺とを含み、 前記第1辺の長さは前記第2辺の長さより長く、
前記陥没部は、前記第1辺及び前記第2辺のうちの少なくともいずれか一辺に形成されることを特徴とする請求項8に記載の液晶表示装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120086333A KR102012387B1 (ko) | 2012-08-07 | 2012-08-07 | 백라이트 장치 및 이를 포함하는 액정 표시 장치 |
KR10-2012-0086333 | 2012-08-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014036018A JP2014036018A (ja) | 2014-02-24 |
JP6203518B2 true JP6203518B2 (ja) | 2017-09-27 |
Family
ID=50046788
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013082594A Expired - Fee Related JP6203518B2 (ja) | 2012-08-07 | 2013-04-11 | バックライト装置及びこれを含む液晶表示装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9128229B2 (ja) |
JP (1) | JP6203518B2 (ja) |
KR (1) | KR102012387B1 (ja) |
CN (1) | CN103574401B (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018182917A1 (en) | 2017-03-25 | 2018-10-04 | Leia Inc. | Directional backlight, backlit display and method |
CN107589593A (zh) * | 2017-09-18 | 2018-01-16 | 惠科股份有限公司 | 显示装置 |
CN107678209A (zh) * | 2017-09-18 | 2018-02-09 | 惠科股份有限公司 | 显示装置 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08146415A (ja) | 1994-11-18 | 1996-06-07 | Pioneer Electron Corp | バックライトユニット |
JPH08320489A (ja) | 1995-01-31 | 1996-12-03 | Toshiba Lighting & Technol Corp | バックライト,液晶表示装置および表示装置 |
JP4260358B2 (ja) | 2000-12-01 | 2009-04-30 | 日本ライツ株式会社 | 導光板および平面照明装置 |
JP2002350846A (ja) * | 2001-05-22 | 2002-12-04 | Yazaki Corp | Ledバックライト |
JP2004012747A (ja) | 2002-06-06 | 2004-01-15 | Sharp Corp | バックライトユニット及びそれを用いた表示装置 |
JP2004087408A (ja) | 2002-08-29 | 2004-03-18 | Citizen Electronics Co Ltd | 導光板 |
JP2004127844A (ja) * | 2002-10-07 | 2004-04-22 | Stanley Electric Co Ltd | Ledバックライト |
KR100989338B1 (ko) * | 2003-07-01 | 2010-10-25 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 갖는 액정표시장치 |
JP4431952B2 (ja) | 2003-11-10 | 2010-03-17 | オムロン株式会社 | 面光源装置及び当該装置を用いた機器 |
JP4737409B2 (ja) * | 2005-12-14 | 2011-08-03 | 株式会社 日立ディスプレイズ | 液晶表示装置 |
TWI314663B (en) * | 2005-12-23 | 2009-09-11 | Au Optronics Corp | Backlight module with multiple light sources |
CN100443995C (zh) * | 2006-02-10 | 2008-12-17 | 友达光电股份有限公司 | 多光源背光模块 |
KR100783501B1 (ko) | 2006-08-10 | 2007-12-07 | (주) 엘씨디컴 | 발광다이오드를 이용한 액정디스플레이의 백라이트 모듈 |
KR101262092B1 (ko) | 2006-09-07 | 2013-05-14 | 엘지디스플레이 주식회사 | 모서리형 엘이디 구조 |
EP2063171A4 (en) * | 2006-10-27 | 2010-12-01 | Sharp Kk | LIGHT SOURCE DEVICE, BACKLIGHTING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE |
KR101005261B1 (ko) | 2008-10-23 | 2011-01-04 | 인하대학교 산학협력단 | 다기능 모서리용 조명 기구 |
WO2010084644A1 (ja) * | 2009-01-22 | 2010-07-29 | シャープ株式会社 | バックライトユニットおよび液晶表示装置 |
KR200453419Y1 (ko) | 2009-03-06 | 2011-05-02 | (주) 엠에스피 | 4각 엘이디 조명등의 사이드 프레임 연결용 코너 브라켓 |
CN101737680A (zh) * | 2009-12-18 | 2010-06-16 | 友达光电股份有限公司 | 背光模块结构 |
KR20110101909A (ko) | 2010-03-10 | 2011-09-16 | 엘지디스플레이 주식회사 | 백라이트유닛과 이를 이용한 액정표시장치 |
JP5601042B2 (ja) * | 2010-06-11 | 2014-10-08 | 三菱電機株式会社 | 面状光源装置および表示装置 |
CN102384402A (zh) * | 2010-08-31 | 2012-03-21 | 中强光电股份有限公司 | 背光模块及具有所述背光模块的显示装置 |
-
2012
- 2012-08-07 KR KR1020120086333A patent/KR102012387B1/ko active IP Right Grant
- 2012-12-27 US US13/728,557 patent/US9128229B2/en not_active Expired - Fee Related
-
2013
- 2013-02-16 CN CN201310051350.6A patent/CN103574401B/zh not_active Expired - Fee Related
- 2013-04-11 JP JP2013082594A patent/JP6203518B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US9128229B2 (en) | 2015-09-08 |
CN103574401B (zh) | 2018-07-27 |
KR20140020013A (ko) | 2014-02-18 |
KR102012387B1 (ko) | 2019-08-21 |
US20140043563A1 (en) | 2014-02-13 |
CN103574401A (zh) | 2014-02-12 |
JP2014036018A (ja) | 2014-02-24 |
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