DE69222572D1 - Lichtleitende Tafel zur Flächenbeleuchtung und Gerät zur Flächenbeleuchtung - Google Patents
Lichtleitende Tafel zur Flächenbeleuchtung und Gerät zur FlächenbeleuchtungInfo
- Publication number
- DE69222572D1 DE69222572D1 DE69222572T DE69222572T DE69222572D1 DE 69222572 D1 DE69222572 D1 DE 69222572D1 DE 69222572 T DE69222572 T DE 69222572T DE 69222572 T DE69222572 T DE 69222572T DE 69222572 D1 DE69222572 D1 DE 69222572D1
- Authority
- DE
- Germany
- Prior art keywords
- area lighting
- light
- guiding panel
- lighting
- area
- 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 - Lifetime
Links
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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0045—Means for improving the coupling-out of light from 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
- G02B6/0046—Tapered light guide, e.g. wedge-shaped 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
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of 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
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
-
- 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
- G02B6/0066—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
- G02B6/007—Incandescent lamp or gas discharge lamp
- G02B6/0071—Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Light Guides In General And Applications Therefor (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18365991 | 1991-06-27 | ||
JP10896991 | 1991-12-06 | ||
JP4078890A JPH06102414A (ja) | 1991-06-27 | 1992-02-28 | 面照明用導光板及び面型照明体 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69222572D1 true DE69222572D1 (de) | 1997-11-13 |
Family
ID=27302839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69222572T Expired - Lifetime DE69222572D1 (de) | 1991-06-27 | 1992-05-27 | Lichtleitende Tafel zur Flächenbeleuchtung und Gerät zur Flächenbeleuchtung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0520623B1 (de) |
JP (1) | JPH06102414A (de) |
DE (1) | DE69222572D1 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5555160A (en) * | 1991-06-27 | 1996-09-10 | Nissen Chemitec Co., Ltd. | Light-guiding panel for surface lighting and a surface lighting body |
GB2276751B (en) * | 1993-04-01 | 1997-01-22 | Karvan Technology Ltd | Display module |
JPH0794008A (ja) * | 1993-09-24 | 1995-04-07 | Chiyatani Sangyo Kk | 面照明装置 |
US5613751A (en) * | 1995-06-27 | 1997-03-25 | Lumitex, Inc. | Light emitting panel assemblies |
KR100414882B1 (ko) * | 1996-09-25 | 2004-05-31 | 삼성전자주식회사 | 광균일성을위한액정표시장치의백라이트구조 |
WO1998021520A1 (en) * | 1996-11-14 | 1998-05-22 | Antonio Michael Derose | A light unit |
JP2001215507A (ja) * | 2000-02-04 | 2001-08-10 | Sharp Corp | 導光板およびそれを用いた面状光源、並びにそれを用いたバックライト光学系およびディスプレイ |
KR100789138B1 (ko) * | 2001-09-05 | 2007-12-27 | 삼성전자주식회사 | 조명장치 및 이를 적용한 반사형 액정표시장치 |
CN1307475C (zh) * | 2003-04-08 | 2007-03-28 | 明基电通股份有限公司 | 中空式背照光组件 |
JP2005353599A (ja) * | 2004-06-11 | 2005-12-22 | Valeo Vision | 光ガイドを有する自動車用の照明装置または信号装置 |
EP1939522A4 (de) * | 2005-08-17 | 2013-04-03 | Fujifilm Corp | Flächige beleuchtungsvorrichtung |
US8405796B2 (en) | 2008-07-14 | 2013-03-26 | Sharp Kabushiki Kaisha | Illumination device, surface light source device, and liquid crystal display device |
JP5184445B2 (ja) * | 2009-06-19 | 2013-04-17 | シャープ株式会社 | 光源モジュール、及びそれを備えた電子機器 |
JP5087148B2 (ja) | 2011-02-04 | 2012-11-28 | 株式会社東芝 | 液晶表示装置 |
US20130050615A1 (en) * | 2011-08-23 | 2013-02-28 | Sharp Kabushiki Kaisha | Local dimming backlight unit and display device incorporating same |
CN102661529B (zh) * | 2012-04-05 | 2014-06-25 | 深圳市华星光电技术有限公司 | 背光模组及液晶显示器 |
US20140268879A1 (en) * | 2013-03-14 | 2014-09-18 | Panasonic Corporation | Transparent waveguide diffuser for lighting and methods of manufacturing transparent waveguide diffuser |
FR3034501A1 (fr) * | 2015-04-03 | 2016-10-07 | Saint Gobain | Vitrage lumineux pour batiment, mobilier, vehicule de transport en commun |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3208162A1 (de) * | 1981-03-28 | 1982-10-07 | Teldix Gmbh | Flaechige beleuchtungseinrichtung |
US4945350A (en) * | 1985-07-09 | 1990-07-31 | Mitsubishi Denki Kabushiki Kaisha | Liquid crystal display unit |
EP0213688A1 (de) * | 1985-08-29 | 1987-03-11 | Refac Electronics Corp. | Beleuchtungseinrichtung für Flächen von Flüssigkristallanzeigen |
JP2595067B2 (ja) * | 1988-08-18 | 1997-03-26 | 東ソー株式会社 | 液晶パネル用バックライト |
FR2642209B1 (fr) * | 1989-01-24 | 1994-07-01 | Loire Electronique | Dispositif d'eclairage pour ecran a cristaux liquides |
JPH02245788A (ja) * | 1989-03-20 | 1990-10-01 | Hitachi Ltd | 薄型平面状均一輝度光源装置 |
-
1992
- 1992-02-28 JP JP4078890A patent/JPH06102414A/ja active Pending
- 1992-05-27 DE DE69222572T patent/DE69222572D1/de not_active Expired - Lifetime
- 1992-05-27 EP EP19920304799 patent/EP0520623B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0520623A1 (de) | 1992-12-30 |
JPH06102414A (ja) | 1994-04-15 |
EP0520623B1 (de) | 1997-10-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |