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AU684563B2 - Light-conducting elements - Google Patents
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AU684563B2 - Light-conducting elements - Google Patents

Light-conducting elements

Info

Publication number
AU684563B2
AU684563B2 AU79126/94A AU7912694A AU684563B2 AU 684563 B2 AU684563 B2 AU 684563B2 AU 79126/94 A AU79126/94 A AU 79126/94A AU 7912694 A AU7912694 A AU 7912694A AU 684563 B2 AU684563 B2 AU 684563B2
Authority
AU
Australia
Prior art keywords
light
conducting elements
conducting
elements
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.)
Ceased
Application number
AU79126/94A
Other versions
AU7912694A (en
Inventor
Udo Fischer
Achim Willing
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dr Ing Willing GmbH
Roehm GmbH Darmstadt
Original Assignee
Dr Ing Willing GmbH
Roehm GmbH Darmstadt
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 Dr Ing Willing GmbH, Roehm GmbH Darmstadt filed Critical Dr Ing Willing GmbH
Publication of AU7912694A publication Critical patent/AU7912694A/en
Application granted granted Critical
Publication of AU684563B2 publication Critical patent/AU684563B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Light Guides In General And Applications Therefor (AREA)
AU79126/94A 1993-12-01 1994-11-30 Light-conducting elements Ceased AU684563B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9318362U DE9318362U1 (en) 1993-12-01 1993-12-01 Uniformly illuminated light guide plates
DE9318362 1993-12-01

Publications (2)

Publication Number Publication Date
AU7912694A AU7912694A (en) 1995-06-08
AU684563B2 true AU684563B2 (en) 1997-12-18

Family

ID=6901365

Family Applications (1)

Application Number Title Priority Date Filing Date
AU79126/94A Ceased AU684563B2 (en) 1993-12-01 1994-11-30 Light-conducting elements

Country Status (6)

Country Link
EP (1) EP0656548A3 (en)
JP (1) JPH07195557A (en)
AU (1) AU684563B2 (en)
DE (1) DE9318362U1 (en)
SG (1) SG72630A1 (en)
TW (1) TW279206B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8609011B2 (en) 2003-05-06 2013-12-17 Evonik Roehm Gmbh Method for the production of light-diffusing moulded items with excellent optical characteristics

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4432515A1 (en) * 1994-09-13 1996-03-14 Willing Gmbh Dr Ing Light guide with waveguides plates of polymerides having different refractive indices
DE19507901A1 (en) * 1995-03-07 1996-09-12 Willing Gmbh Dr Ing Linear light source in optical rod or fibre form with an e.g. poly methyl methacrylate sheath
DE19607822A1 (en) * 1996-03-01 1997-09-04 Roehm Gmbh Light guiding element composed of several parts
DE19731710A1 (en) * 1997-07-23 1999-02-18 Bwf Kunststoffe Gmbh & Co Kg Light guide with forward scatter
DE29713114U1 (en) * 1997-07-23 1998-11-26 Bwf Kunststoffe Gmbh & Co Kg Light guide with forward scatter
DE69930025T2 (en) 1998-04-17 2006-08-10 Nitto Denko Corp., Ibaraki Light guiding plate, surface light source device, and reflection type liquid crystal display
ATE236958T1 (en) * 1998-11-06 2003-04-15 Gen Electric THERMOPLASTIC PRODUCT WITH LOW TRANSPARENCY AND LOW HAZAGE
UA74186C2 (en) † 2000-05-19 2005-11-15 Лусайт Інтернешнл Юк Лімітед Illumination device with accent lighting through the rib
DE10129702A1 (en) 2001-06-22 2003-01-02 Roehm Gmbh Extrusion tool for the production of hollow profile sheets made of thermoplastic material with internal coextruded layer
DE10222250A1 (en) * 2002-05-16 2003-11-27 Roehm Gmbh Light conductor for use in indirect illumination has a layer containing polymethyl methacrylate and spherical particles and a structured surface
AU2002951465A0 (en) * 2002-09-18 2002-10-03 Poly Optics Australia Pty Ltd Light emitting device
DE10313067B4 (en) * 2003-03-24 2014-02-13 Webasto Ag Vehicle roof with a non-transparent lid with a luminous surface
DE10313068B4 (en) * 2003-03-24 2007-10-04 Webasto Ag Vehicle roof with a sliding cover with a luminous surface
DE102007014811A1 (en) 2007-03-28 2008-10-09 Rehau Ag + Co Light-emitting arrangement
DE102007040258A1 (en) 2007-08-24 2009-02-26 Evonik Röhm Gmbh Translucent solar energy collector
DE102008006421A1 (en) * 2008-01-28 2009-07-30 Evonik Röhm Gmbh Decorative arrangement for illuminated advertising purposes, comprises poly(methyl methacrylate) matrix, light-diffusing poly(methyl methacrylate) bodies made of colored or fluorescent Plexiglas EndLighten, and light sources
CN101367950B (en) * 2008-08-22 2010-12-08 暨南大学 Volume scattering polymer light guide plate and preparation method of injection molding masterbatch thereof
DE102009000813A1 (en) 2009-02-12 2010-08-19 Evonik Degussa Gmbh Fluorescence conversion solar cell I Production by the plate casting method
DE102009027288A1 (en) 2009-06-29 2010-12-30 Evonik Röhm Gmbh Light guide plate with embedded light-scattering impurities and method for its production
US20120051696A2 (en) 2010-04-08 2012-03-01 Evonik Roehm Gmbh Light guide body having high luminous intensity and high transparency
DE102010038685A1 (en) 2010-07-30 2012-02-02 Evonik Röhm Gmbh Fluorescence Conversion Solar Cell Manufactured by plate casting
DE102010062900A1 (en) 2010-12-13 2012-06-14 Evonik Röhm Gmbh Process for producing light-conducting bodies and their use in lighting units
DE102011088835A1 (en) 2011-12-16 2013-06-20 Evonik Industries Ag Process for producing light-conducting bodies and their use in lighting units
DE102012205749A1 (en) 2012-04-10 2013-10-10 Evonik Industries Ag Advertising light box with lateral cavity backlighting and special lens for optimized light distribution
DE102012216081A1 (en) 2012-09-11 2013-03-14 Evonik Industries Ag Manufacturing light diffusing molded part useful e.g. in a light-emitting diodes-lighting control system, comprises injecting a molding composition comprising a polymethyl methacrylate matrix and spherical plastic particles, into a tool
TW201937198A (en) 2018-01-24 2019-09-16 德商贏創羅姆有限公司 Light emitting element

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0269324A2 (en) * 1986-11-18 1988-06-01 Rohm And Haas Company Particulate polymer composition, a method of making particulate polymer compositions, and light-scattering thermoplastic polymer compositions containing the particulate polymers
EP0342283A1 (en) * 1988-05-18 1989-11-23 Rohm And Haas Company Thermoplastic and thermoset polymer compositions

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2225578C3 (en) * 1972-05-26 1978-08-10 Roehm Gmbh, 6100 Darmstadt Molding compound for the production of light-diffusing moldings
EP0073450B1 (en) * 1981-08-31 1988-10-26 Mitsubishi Rayon Co., Ltd. Process for producing a light-diffusible methacrylic resin, and formed articles having a delustered surface
US5004785A (en) * 1987-11-30 1991-04-02 Mitsubishi Rayon Co., Ltd. Light-diffusing methacrylic resin and process for production thereof
JPH0358084A (en) * 1989-07-20 1991-03-13 Rohm & Haas Co Optical tube
DE4326521B4 (en) * 1992-08-10 2005-12-22 Bridgestone Corp. Light scattering material and method for its production

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0269324A2 (en) * 1986-11-18 1988-06-01 Rohm And Haas Company Particulate polymer composition, a method of making particulate polymer compositions, and light-scattering thermoplastic polymer compositions containing the particulate polymers
EP0342283A1 (en) * 1988-05-18 1989-11-23 Rohm And Haas Company Thermoplastic and thermoset polymer compositions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8609011B2 (en) 2003-05-06 2013-12-17 Evonik Roehm Gmbh Method for the production of light-diffusing moulded items with excellent optical characteristics
EP1644173B1 (en) 2003-05-06 2015-10-21 Evonik Röhm GmbH Method for the production of light-diffusing moulded items with excellent optical characteristics

Also Published As

Publication number Publication date
TW279206B (en) 1996-06-21
EP0656548A3 (en) 1996-09-18
SG72630A1 (en) 2000-05-23
DE9318362U1 (en) 1994-02-03
AU7912694A (en) 1995-06-08
JPH07195557A (en) 1995-08-01
EP0656548A2 (en) 1995-06-07

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired