JP4793572B2 - 面状照明装置 - Google Patents
面状照明装置 Download PDFInfo
- Publication number
- JP4793572B2 JP4793572B2 JP2006275347A JP2006275347A JP4793572B2 JP 4793572 B2 JP4793572 B2 JP 4793572B2 JP 2006275347 A JP2006275347 A JP 2006275347A JP 2006275347 A JP2006275347 A JP 2006275347A JP 4793572 B2 JP4793572 B2 JP 4793572B2
- Authority
- JP
- Japan
- Prior art keywords
- frame member
- guide plate
- light guide
- inner frame
- light source
- 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
- 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
-
- 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
- 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
- G02B6/0091—Positioning aspects of the light source relative to 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
- G02B6/0066—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
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Description
Claims (8)
- 導光板と、該導光板の側端面に配置される点状光源と、それらを保持するフレームとを備える面状照明装置において、
前記フレームには、前記導光板を前記点状光源側に付勢する弾性作用部が設けられており、前記導光板の前記側端面には入光プリズムが形成されているとともに、前記点状光源と前記導光板の入光プリズムとの間に耐熱性の透明スペーサを介在させ、前記透明スペーサは、前記点状光源に当接する弾性層と、前記導光板の入光プリズムに当接する非弾性層を含むことを特徴とする面状照明装置。 - 前記弾性層は、耐熱シリコンからなることを特徴とする請求項1に記載の面状照明装置。
- 前記非弾性層は、ポリエチレンテレフタレートからなることを特徴とする請求項1または2に記載の面状照明装置。
- 前記フレームは、相対向する一対の側辺と該一対の側辺の一端部を連結する底辺とから上面視略コ字状に形成された内枠部材と、平板状の座部および該座部の外縁部に立設された側壁を有して前記内枠部材を収容する外枠部材とからなり、前記導光板は、前記入光プリズムが形成された側端面が前記内枠部材の開放辺側に配置されるように前記内枠部材に収容されて、前記内枠部材と共に前記座部上に載置され、前記点状光源は、前記透明スペーサと前記外枠部材の側壁とで挟持されることを特徴とする請求項1から3のいずれか1項に記載の面状照明装置。
- 前記弾性作用部は、前記内枠部材の底辺に、該底辺の延長方向と略平行に延在するように設けられた梁部と、該梁部の略中央から前記内枠部材の外方に突出する突起部とからなり、前記内枠部材は、前記突起部を前記外枠部材の側壁に当接させて、前記外枠部材に収容されることを特徴とする請求項4に記載の面状照明装置。
- 前記弾性作用部は、前記内枠部材の一対の側辺のそれぞれに設けられた凹部と、該凹部に収容される弾性部材とから構成されており、前記導光板の、前記内枠部材の一対の側辺にそれぞれ対向する一対の側端面には、前記凹部にそれぞれ収容される突起部が設けられ、前記導光板は、前記突起部の前記点状光源側とは反対側の部分を前記弾性部材に当接させて、前記内枠部材に収容されることを特徴とする請求項4に記載の面状照明装置。
- 前記弾性作用部は、前記内枠部材の一対の側辺のそれぞれに設けられた凹部と、該凹部の背後に肉抜き部を設けることによって、前記内枠部材の一対の側辺の延長方向に対して傾斜するように設けられた梁部とから構成されており、前記導光板の、前記内枠部材の一対の側辺にそれぞれ対向する一対の側端面には、前記凹部にそれぞれ収容される突起部が設けられ、前記導光板は、前記突起部の前記点状光源側とは反対側の部分を前記梁部に当接させて、前記内枠部材に収容されることを特徴とする請求項4に記載の面状照明装置。
- 前記外枠部材は、金属材料から形成されることを特徴とする請求項4から7のいずれか1項に記載の面状照明装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006275347A JP4793572B2 (ja) | 2006-10-06 | 2006-10-06 | 面状照明装置 |
US11/892,542 US7600909B2 (en) | 2006-10-06 | 2007-08-23 | Spread illuminating apparatus |
DE602007013851T DE602007013851D1 (de) | 2006-10-06 | 2007-09-19 | Display mit breiter Lichtverteilung |
EP07018332A EP1909135B1 (en) | 2006-10-06 | 2007-09-19 | Spread illuminating display |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006275347A JP4793572B2 (ja) | 2006-10-06 | 2006-10-06 | 面状照明装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008097877A JP2008097877A (ja) | 2008-04-24 |
JP4793572B2 true JP4793572B2 (ja) | 2011-10-12 |
Family
ID=38924808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006275347A Expired - Fee Related JP4793572B2 (ja) | 2006-10-06 | 2006-10-06 | 面状照明装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7600909B2 (ja) |
EP (1) | EP1909135B1 (ja) |
JP (1) | JP4793572B2 (ja) |
DE (1) | DE602007013851D1 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010092624A (ja) * | 2008-10-03 | 2010-04-22 | Fujifilm Corp | 面状照明装置 |
JP5072823B2 (ja) * | 2008-12-25 | 2012-11-14 | 株式会社ジャパンディスプレイセントラル | バックライトユニット及び液晶表示装置 |
KR101594623B1 (ko) * | 2009-10-08 | 2016-02-17 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 이를 구비한 액정표시장치 |
WO2012020593A1 (ja) * | 2010-08-09 | 2012-02-16 | シャープ株式会社 | 照明装置および表示装置 |
WO2012020592A1 (ja) * | 2010-08-09 | 2012-02-16 | シャープ株式会社 | 照明装置および表示装置 |
JP2012189914A (ja) * | 2011-03-14 | 2012-10-04 | Funai Electric Co Ltd | 液晶表示装置 |
JP2012237826A (ja) | 2011-05-10 | 2012-12-06 | Funai Electric Co Ltd | 液晶モジュール |
US9229154B2 (en) | 2011-05-26 | 2016-01-05 | Sharp Kabushiki Kaisha | Backlight unit |
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 |
WO2014013944A1 (ja) | 2012-07-20 | 2014-01-23 | 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 |
US9323087B2 (en) | 2012-08-06 | 2016-04-26 | Sharp Kabushiki Kaisha | Display apparatus and television receiver |
KR102012390B1 (ko) * | 2012-08-20 | 2019-08-21 | 삼성디스플레이 주식회사 | 백라이트 어셈블리 |
JP2014089843A (ja) | 2012-10-29 | 2014-05-15 | Funai Electric Co Ltd | 表示装置およびテレビジョン装置 |
US20140119055A1 (en) * | 2012-10-31 | 2014-05-01 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Light Coupling Arrangement of Backlight Module |
JP5666645B2 (ja) | 2013-03-26 | 2015-02-12 | シャープ株式会社 | バックライト装置およびそれを備えた液晶表示装置 |
AT522491A3 (de) * | 2019-05-02 | 2021-04-15 | Din Dietmar Nocker Facilitymanagement Gmbh | Sicherheits- oder Rettungszeichenleuchte |
EP3734148A1 (de) * | 2019-05-02 | 2020-11-04 | DIN-Dietmar Nocker Facilitymanagement GmbH | Sicherheits- oder rettungszeichenleuchte |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05142424A (ja) | 1991-11-26 | 1993-06-11 | Nec Kansai Ltd | 平面発光板 |
JP3187280B2 (ja) * | 1995-05-23 | 2001-07-11 | シャープ株式会社 | 面照明装置 |
JP2932471B2 (ja) * | 1995-06-01 | 1999-08-09 | 日亜化学工業株式会社 | 面光源及び光源と導光板との接合方法 |
JPH09282919A (ja) | 1996-04-09 | 1997-10-31 | Stanley Electric Co Ltd | バックライト装置 |
JP3466817B2 (ja) * | 1996-05-02 | 2003-11-17 | ローム株式会社 | Led発光装置およびその製造方法 |
JPH11339529A (ja) * | 1998-05-26 | 1999-12-10 | Enplas Corp | サイドライト型面光源装置及び液晶表示装置 |
JP4236740B2 (ja) | 1998-10-05 | 2009-03-11 | 日本ライツ株式会社 | 平面照明装置 |
JP2002156632A (ja) | 2000-11-20 | 2002-05-31 | Hitachi Ltd | 液晶表示装置 |
JP2003107467A (ja) * | 2001-09-27 | 2003-04-09 | Kawaguchiko Seimitsu Co Ltd | 液晶表示装置のバックライト構造 |
JP2003168311A (ja) * | 2001-11-30 | 2003-06-13 | Toshiba Corp | 面光源装置及びそれを用いた平面表示装置 |
JP2003217326A (ja) | 2002-01-18 | 2003-07-31 | Olympus Optical Co Ltd | 照明装置 |
JP3875891B2 (ja) * | 2002-01-24 | 2007-01-31 | 株式会社日立製作所 | 液晶表示装置 |
JP4014443B2 (ja) * | 2002-05-17 | 2007-11-28 | 株式会社エンプラス | 面光源装置及び画像表示装置 |
JP4190268B2 (ja) | 2002-12-04 | 2008-12-03 | シャープ株式会社 | 照明装置およびそれを備えた液晶表示装置 |
JP4325207B2 (ja) | 2003-02-06 | 2009-09-02 | 日亜化学工業株式会社 | 面発光装置 |
JP2004253317A (ja) | 2003-02-21 | 2004-09-09 | Minebea Co Ltd | 面状照明装置 |
JP4226431B2 (ja) | 2003-10-15 | 2009-02-18 | シャープ株式会社 | 液晶表示装置 |
JP4655605B2 (ja) * | 2004-12-02 | 2011-03-23 | 日立化成工業株式会社 | 面光源装置及び面光源装置の組み立て方法 |
JP4547704B2 (ja) * | 2004-12-27 | 2010-09-22 | ミネベア株式会社 | 面状照明装置 |
JP2006216244A (ja) | 2005-02-01 | 2006-08-17 | Toshiba Matsushita Display Technology Co Ltd | Ledバックライト及び液晶表示装置 |
-
2006
- 2006-10-06 JP JP2006275347A patent/JP4793572B2/ja not_active Expired - Fee Related
-
2007
- 2007-08-23 US US11/892,542 patent/US7600909B2/en not_active Expired - Fee Related
- 2007-09-19 EP EP07018332A patent/EP1909135B1/en not_active Expired - Fee Related
- 2007-09-19 DE DE602007013851T patent/DE602007013851D1/de active Active
Also Published As
Publication number | Publication date |
---|---|
US20080084710A1 (en) | 2008-04-10 |
EP1909135B1 (en) | 2011-04-13 |
EP1909135A3 (en) | 2008-05-21 |
DE602007013851D1 (de) | 2011-05-26 |
JP2008097877A (ja) | 2008-04-24 |
EP1909135A2 (en) | 2008-04-09 |
US7600909B2 (en) | 2009-10-13 |
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