SG72630A1 - Light guide plates with uniform light transmission - Google Patents

Light guide plates with uniform light transmission

Info

Publication number
SG72630A1
SG72630A1 SG1996003971A SG1996003971A SG72630A1 SG 72630 A1 SG72630 A1 SG 72630A1 SG 1996003971 A SG1996003971 A SG 1996003971A SG 1996003971 A SG1996003971 A SG 1996003971A SG 72630 A1 SG72630 A1 SG 72630A1
Authority
SG
Singapore
Prior art keywords
guide plates
light guide
uniform
light transmission
light
Prior art date
Application number
SG1996003971A
Other languages
English (en)
Inventor
Udo Fischer
Achim Willing
Original Assignee
Roehm Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Roehm Gmbh filed Critical Roehm Gmbh
Publication of SG72630A1 publication Critical patent/SG72630A1/en

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
    • G02B6/0065—Manufacturing aspects; Material aspects
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Planar Illumination Modules (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Details Of Measuring Devices (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
SG1996003971A 1993-12-01 1994-11-22 Light guide plates with uniform light transmission SG72630A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE9318362U DE9318362U1 (de) 1993-12-01 1993-12-01 Gleichmäßig ausgeleuchtete Lichtleiterplatten

Publications (1)

Publication Number Publication Date
SG72630A1 true SG72630A1 (en) 2000-05-23

Family

ID=6901365

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996003971A SG72630A1 (en) 1993-12-01 1994-11-22 Light guide plates with uniform light transmission

Country Status (6)

Country Link
EP (1) EP0656548A3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH07195557A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU684563B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE9318362U1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SG (1) SG72630A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TW (1) TW279206B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4432515A1 (de) * 1994-09-13 1996-03-14 Willing Gmbh Dr Ing Lichtleitkörper mit Lichtleitplatten aus Polymerisaten unterschiedlicher Brechzahl
DE19507901A1 (de) * 1995-03-07 1996-09-12 Willing Gmbh Dr Ing Linearer Lichtleiter
DE19607822A1 (de) * 1996-03-01 1997-09-04 Roehm Gmbh Aus mehreren Teilen zusammengesetztes Lichtleitelement
DE19731710A1 (de) * 1997-07-23 1999-02-18 Bwf Kunststoffe Gmbh & Co Kg Lichtleiter mit Vorwärtsstreuung
DE29713114U1 (de) * 1997-07-23 1998-11-26 Bwf Kunststoffe Gmbh & Co Kg Lichtleiter mit Vorwärtsstreuung
KR100634712B1 (ko) 1998-04-17 2006-10-17 니또 덴꼬 코포레이션 도광판, 표면 광원 장치 및 반사형 액정 디스플레이
WO2000027927A1 (en) * 1998-11-06 2000-05-18 General Electric Company Thermoplastic article having low clarity and low haze
UA74186C2 (uk) † 2000-05-19 2005-11-15 Лусайт Інтернешнл Юк Лімітед Освітлювальний пристрій з підсвічуванням крізь ребро
DE10129702A1 (de) 2001-06-22 2003-01-02 Roehm Gmbh Extrusionswerkzeug zur Herstellung von Hohlkammerprofilplatten aus thermoplastischem Kunststoff mit innen liegender coextrudierter Schicht
DE10222250A1 (de) * 2002-05-16 2003-11-27 Roehm Gmbh Verbesserte Lichtleitkörper sowie Verfahren zu dessen Herstellung
AU2002951465A0 (en) * 2002-09-18 2002-10-03 Poly Optics Australia Pty Ltd Light emitting device
DE10313068B4 (de) * 2003-03-24 2007-10-04 Webasto Ag Fahrzeugdach mit einem verschiebbaren Abdeckelement mit einer Leuchtfläche
DE10313067B4 (de) * 2003-03-24 2014-02-13 Webasto Ag Fahrzeugdach mit einem nicht-transparenten Deckel mit einer Leuchtfläche
DE10320318A1 (de) 2003-05-06 2004-12-02 Röhm GmbH & Co. KG Verfahren zur Herstellung von lichtstreuenden Formteilen mit hervorragenden optischen Eigenschaften
DE102007014811A1 (de) 2007-03-28 2008-10-09 Rehau Ag + Co Lichtemittierende Anordnung
DE102007040258A1 (de) 2007-08-24 2009-02-26 Evonik Röhm Gmbh Lichtdurchlässiger Sonnenenergiekollektor
DE102008006421A1 (de) * 2008-01-28 2009-07-30 Evonik Röhm Gmbh Einarbeitung von Plexiglas Endlighten Stäben in Plexiglas Tafeln für beleuchtete Anwendungen im Innen- und Außenbereich
CN101367950B (zh) * 2008-08-22 2010-12-08 暨南大学 体散射聚合物导光板及其注塑母料的制备方法
DE102009000813A1 (de) 2009-02-12 2010-08-19 Evonik Degussa Gmbh Fluoreszenzkonversionssolarzelle I Herstellung im Plattengußverfahren
DE102009027288A1 (de) 2009-06-29 2010-12-30 Evonik Röhm Gmbh Lichtleitplatte mit eingebetteten lichtstreuenden Störstellen und Verfahren zu dessen Herstellung
US20120051696A2 (en) 2010-04-08 2012-03-01 Evonik Roehm Gmbh Light guide body having high luminous intensity and high transparency
DE102010038685A1 (de) 2010-07-30 2012-02-02 Evonik Röhm Gmbh Fluoreszenzkonversionssolarzelle Herstellung im Plattengußverfahren
DE102010062900A1 (de) 2010-12-13 2012-06-14 Evonik Röhm Gmbh Verfahren zur Herstellung von Lichtleitkörpern und deren Verwendung in Beleuchtungseinheit
DE102011088835A1 (de) 2011-12-16 2013-06-20 Evonik Industries Ag Verfahren zur Herstellung von Lichtleitkörpern und deren Verwendung in Beleuchtungseinheit
DE102012205749A1 (de) 2012-04-10 2013-10-10 Evonik Industries Ag Werbeleuchtkasten mit seitlicher Hohlraumhinterleuchtung und spezieller Scheibe zur optimierten Lichtverteilung
DE102012216081A1 (de) 2012-09-11 2013-03-14 Evonik Industries Ag Verfahren zur Herstellung von lichtstreuenden Formteilen mit hervorragenden optischen Eigenschaften und deren Verwendung
CN111670320A (zh) 2018-01-24 2020-09-15 罗姆化学有限责任公司 发光元件

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2225578C3 (de) * 1972-05-26 1978-08-10 Roehm Gmbh, 6100 Darmstadt Formmasse zur Herstellung lichtstreuender Formkörper
DE3279154D1 (en) * 1981-08-31 1988-12-01 Mitsubishi Rayon Co Process for producing a light-diffusible methacrylic resin, and formed articles having a delustered surface
CA1337104C (en) * 1986-11-18 1995-09-26 William James Work Light-scattering thermoplastic polymers
US5004785A (en) * 1987-11-30 1991-04-02 Mitsubishi Rayon Co., Ltd. Light-diffusing methacrylic resin and process for production thereof
IL86421A (en) * 1988-05-18 1992-01-15 Rohm & Haas Light-scattering and reduced gloss thermoplastic and thermoset polymer compositions and their preparation
JPH0358084A (ja) * 1989-07-20 1991-03-13 Rohm & Haas Co 光チューブ
DE4326521B4 (de) * 1992-08-10 2005-12-22 Bridgestone Corp. Lichtstreuendes Material und Verfahren zu seiner Herstellung

Also Published As

Publication number Publication date
EP0656548A2 (de) 1995-06-07
EP0656548A3 (de) 1996-09-18
TW279206B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1996-06-21
AU684563B2 (en) 1997-12-18
DE9318362U1 (de) 1994-02-03
AU7912694A (en) 1995-06-08
JPH07195557A (ja) 1995-08-01

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