DE19610816C2 - Hintergrundbeleuchtungssystem für eine Anzeigetafel - Google Patents
Hintergrundbeleuchtungssystem für eine AnzeigetafelInfo
- Publication number
- DE19610816C2 DE19610816C2 DE19610816A DE19610816A DE19610816C2 DE 19610816 C2 DE19610816 C2 DE 19610816C2 DE 19610816 A DE19610816 A DE 19610816A DE 19610816 A DE19610816 A DE 19610816A DE 19610816 C2 DE19610816 C2 DE 19610816C2
- Authority
- DE
- Germany
- Prior art keywords
- light guide
- light
- parallel
- light source
- front surface
- 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
- G02B6/0048—Tapered light guide, e.g. wedge-shaped light guide with stepwise taper
-
- 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
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4298—Coupling light guides with opto-electronic elements coupling with non-coherent light sources and/or radiation detectors, e.g. lamps, incandescent bulbs, scintillation chambers
-
- 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
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0025—Diffusing sheet or layer; Prismatic 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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0028—Light guide, e.g. taper
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Description
Claims (4)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19610816A DE19610816C2 (de) | 1996-03-19 | 1996-03-19 | Hintergrundbeleuchtungssystem für eine Anzeigetafel |
US08/617,603 US5640483A (en) | 1996-03-19 | 1996-03-19 | Backlighting system utilizing total internal reflection |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19610816A DE19610816C2 (de) | 1996-03-19 | 1996-03-19 | Hintergrundbeleuchtungssystem für eine Anzeigetafel |
US08/617,603 US5640483A (en) | 1996-03-19 | 1996-03-19 | Backlighting system utilizing total internal reflection |
Publications (2)
Publication Number | Publication Date |
---|---|
DE19610816A1 DE19610816A1 (de) | 1997-09-25 |
DE19610816C2 true DE19610816C2 (de) | 1999-02-04 |
Family
ID=26023949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19610816A Expired - Lifetime DE19610816C2 (de) | 1996-03-19 | 1996-03-19 | Hintergrundbeleuchtungssystem für eine Anzeigetafel |
Country Status (2)
Country | Link |
---|---|
US (1) | US5640483A (de) |
DE (1) | DE19610816C2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19961390A1 (de) * | 1999-12-20 | 2001-06-21 | Mannesmann Vdo Ag | Lichtleiter |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3368110B2 (ja) * | 1995-08-01 | 2003-01-20 | キヤノン株式会社 | 光源装置及び光学機器 |
JPH09265264A (ja) * | 1996-03-27 | 1997-10-07 | Casio Comput Co Ltd | 表示装置 |
US5812714A (en) * | 1997-01-30 | 1998-09-22 | Cooper Industries, Inc. | Optical waveguide elements for a distributed lighting system |
US6879354B1 (en) | 1997-03-28 | 2005-04-12 | Sharp Kabushiki Kaisha | Front-illuminating device and a reflection-type liquid crystal display using such a device |
US6238074B1 (en) | 1997-12-09 | 2001-05-29 | Cooper Automotive Products, Inc. | Optical waveguide structures |
US6193399B1 (en) | 1997-12-09 | 2001-02-27 | Cooper Automotive Products, Inc. | Optical waveguide structures for vehicle lighting |
US6186650B1 (en) | 1997-12-09 | 2001-02-13 | Cooper Automotive Products, Inc. | Vehicle headlamp with beamforming waveguide |
US6168302B1 (en) | 1997-12-09 | 2001-01-02 | Cooper Automotive Products, Inc. | Hybrid distributed lighting system for a vehicle |
DE19806526A1 (de) * | 1998-02-17 | 1999-08-19 | Hella Kg Hueck & Co | Beleuchtungseinrichtung für Kraftfahrzeuge |
DE19820267A1 (de) * | 1998-05-07 | 1999-11-11 | Valeo Electronics Gmbh & Co Kg | Reflektorgehäuse |
US6430339B1 (en) | 1998-10-15 | 2002-08-06 | Federal-Mogul World Wide, Inc. | Low profile waveguide system |
FI106323B (fi) * | 1998-12-30 | 2001-01-15 | Nokia Mobile Phones Ltd | Taustavalaistuksen valonjohdin litteälle näytölle |
US6256447B1 (en) * | 1998-12-31 | 2001-07-03 | Physical Optics Corporation | Backlight for correcting diagonal line distortion |
DE19903587A1 (de) * | 1999-01-29 | 2000-08-03 | Bsh Bosch Siemens Hausgeraete | Optische Anzeigevorrichtung für elektrische Haushaltsgeräte |
DE19915209A1 (de) * | 1999-04-03 | 2000-10-05 | Bosch Gmbh Robert | Lichtleiterplatte mit trapez- oder rechteckförmigen Mikrostrukturen |
JP2002025326A (ja) * | 2000-07-13 | 2002-01-25 | Seiko Epson Corp | 光源装置、照明装置、液晶装置及び電子機器 |
CN1302325C (zh) | 2002-04-25 | 2007-02-28 | 皇家飞利浦电子股份有限公司 | 紧凑型照明系统及显示装置 |
DE10242170B4 (de) * | 2002-09-10 | 2005-07-21 | Abb Patent Gmbh | Lichtleiter eines elektrischen Installationsgerätes |
KR100887635B1 (ko) * | 2002-09-26 | 2009-03-11 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 이용한 액정표시장치 |
US7052168B2 (en) * | 2003-12-17 | 2006-05-30 | 3M Innovative Properties Company | Illumination device |
US7775700B2 (en) * | 2004-10-01 | 2010-08-17 | Rohm And Haas Electronics Materials Llc | Turning film using array of roof prism structures |
US8393777B2 (en) * | 2005-07-28 | 2013-03-12 | Light Prescriptions Innovators, Llc | Etendue-conserving illumination-optics for backlights and frontlights |
DE102005051965A1 (de) * | 2005-10-29 | 2007-05-03 | GM Global Technology Operations, Inc., Detroit | Kraftfahrzeug und Anzeigevorrichtung |
EP2201309A4 (de) * | 2007-09-10 | 2010-12-01 | Banyan Energy Inc | Kompakte optik zur konzentration, aggregation und beleuchtung von lichtenergie |
US8412010B2 (en) | 2007-09-10 | 2013-04-02 | Banyan Energy, Inc. | Compact optics for concentration and illumination systems |
US7672549B2 (en) * | 2007-09-10 | 2010-03-02 | Banyan Energy, Inc. | Solar energy concentrator |
US7639918B2 (en) * | 2008-05-05 | 2009-12-29 | Visteon Global Technologies, Inc. | Manifold-type lightguide with reduced thickness |
WO2012058304A2 (en) | 2010-10-28 | 2012-05-03 | Banyan Energy, Inc. | Redirecting optics for concentration and illumination systems |
EP2980472B1 (de) * | 2014-07-28 | 2018-01-17 | OSRAM GmbH | Beleuchtungsvorrichtung und zugehöriges verfahren |
CN107179584B (zh) * | 2016-03-10 | 2019-06-14 | 源杰科技股份有限公司 | 光学连接器 |
TWI612251B (zh) | 2017-01-03 | 2018-01-21 | 聯嘉光電股份有限公司 | 發光裝置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5050946A (en) * | 1990-09-27 | 1991-09-24 | Compaq Computer Corporation | Faceted light pipe |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6134583A (ja) * | 1984-07-26 | 1986-02-18 | シャープ株式会社 | 照明装置 |
US5202950A (en) * | 1990-09-27 | 1993-04-13 | Compaq Computer Corporation | Backlighting system with faceted light pipes |
JPH0695112A (ja) * | 1992-09-16 | 1994-04-08 | Hitachi Ltd | プリズムプレートおよびそれを用いた情報表示装置 |
US5359691A (en) * | 1992-10-08 | 1994-10-25 | Briteview Technologies | Backlighting system with a multi-reflection light injection system and using microprisms |
US5485354A (en) * | 1993-09-09 | 1996-01-16 | Precision Lamp, Inc. | Flat panel display lighting system |
US5485291A (en) * | 1994-02-22 | 1996-01-16 | Precision Lamp, Inc. | Uniformly thin, high efficiency large area lighting panel with two facet grooves that are spaced apart and have light source facing facets with smaller slopes than the facets facing away from the light source |
-
1996
- 1996-03-19 US US08/617,603 patent/US5640483A/en not_active Expired - Fee Related
- 1996-03-19 DE DE19610816A patent/DE19610816C2/de not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5050946A (en) * | 1990-09-27 | 1991-09-24 | Compaq Computer Corporation | Faceted light pipe |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19961390A1 (de) * | 1999-12-20 | 2001-06-21 | Mannesmann Vdo Ag | Lichtleiter |
Also Published As
Publication number | Publication date |
---|---|
US5640483A (en) | 1997-06-17 |
DE19610816A1 (de) | 1997-09-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE19610816C2 (de) | Hintergrundbeleuchtungssystem für eine Anzeigetafel | |
DE69230487T2 (de) | Oberflächenbeleuchtung | |
DE69421668T2 (de) | Vorrichtung zum beleuchten einer fläche | |
DE60037178T2 (de) | Leuchte, optisches element und verfahren zum beleuchten eines objektes | |
DE4438368C2 (de) | Anordnung zur Führung und Formung von Strahlen eines geradlinigen Laserdiodenarrays | |
DE4228735C2 (de) | Vorrichtung zum Verbessern der Ausleuchtung einer Seitenlichtscheibe | |
DE69606056T2 (de) | Prismatischer lichtwellenleiter mit konfokal-parabelförmigem querschnitt und hohem wirkungsgrad | |
DE112013004466B4 (de) | Flächenlichtquellenvorrichtung und Anzeigevorrichtung unter Verwendung derselben | |
DE19521254A1 (de) | Anzeigesystem mit Helligkeitsverstärkungsfilm | |
EP1489438A1 (de) | Vorrichtung zur Formung eines Lichtstrahls | |
EP3531012B1 (de) | Beleuchtungseinrichtung für kraftfahrzeuge mit einem langgestreckten lichtleiter | |
DE102018126955A1 (de) | Optisches Lichtleitersystem | |
EP3839324A1 (de) | Beleuchtungsvorrichtung für einen kraftfahrzeugscheinwerfer | |
EP3575674A1 (de) | Lichtleiter für eine kraftfahrzeugbeleuchtungseinrichtung | |
DE2532603A1 (de) | Optische vorrichtung zur bestimmung des lichtaustrittswinkel | |
DE3635271C1 (de) | Lichtvorhangsvorrichtung | |
EP1179158B1 (de) | Leuchte | |
DE29909282U1 (de) | Leuchte | |
DE3211730A1 (de) | Verbundaugen-projektionseinrichtung | |
WO2000060278A1 (de) | Lichtleiterplatte mit trapez- oder rechteckförmigen mikrostrukturen | |
DE60037965T2 (de) | Leuchte | |
DE102021105233A1 (de) | Modul zur Formung eines Lichtbündels, insbesondere in einer Außenbeleuchtungsanlage eines Fahrzeugs | |
DE69318381T2 (de) | Strahlungsbündel-Kollimatorvorrichtung | |
DE69321703T2 (de) | Tragbarer Strichmarkierungsleser mit erweiterter Schärfentiefe | |
DE102020207460A1 (de) | Lichtquellenvorrichtung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
R082 | Change of representative |
Representative=s name: TER MEER STEINMEISTER & PARTNER GBR PATENTANWA, DE |
|
R081 | Change of applicant/patentee |
Owner name: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY, CN Free format text: FORMER OWNER: CTX OPTO-ELECTRONICS CORP., HSINCHU, TW Effective date: 20120529 |
|
R082 | Change of representative |
Representative=s name: REICHERT & LINDNER PARTNERSCHAFT PATENTANWAELT, DE Effective date: 20120529 Representative=s name: REICHERT & KOLLEGEN, DE Effective date: 20120529 |
|
R082 | Change of representative |
Representative=s name: REICHERT & KOLLEGEN, DE |
|
R081 | Change of applicant/patentee |
Owner name: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY, CN Free format text: FORMER OWNER: CORETRONIC CORPORATION, HSINCHU, TW Effective date: 20121218 |
|
R082 | Change of representative |
Representative=s name: REICHERT & LINDNER PARTNERSCHAFT PATENTANWAELT, DE Effective date: 20121218 Representative=s name: REICHERT & KOLLEGEN, DE Effective date: 20121218 |
|
R071 | Expiry of right |