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
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)
  • Light Guides In General And Applications Therefor (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Planar Illumination Modules (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 (en) 1993-12-01 1993-12-01 Uniformly illuminated light guide plates

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 (en)
JP (1) JPH07195557A (en)
AU (1) AU684563B2 (en)
DE (1) DE9318362U1 (en)
SG (1) SG72630A1 (en)
TW (1) TW279206B (en)

Families Citing this family (28)

* 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
JP3400589B2 (en) * 1995-02-22 2003-04-28 旭化成株式会社 Method for producing methacrylic resin light guide plate
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
EP0950851B1 (en) 1998-04-17 2006-03-01 Nitto Denko Corporation Light conductive plate, surface light source device, and reflection type liquid-crystal display
WO2000027927A1 (en) * 1998-11-06 2000-05-18 General Electric Company Thermoplastic article having low clarity and low haze
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
DE10313068B4 (en) * 2003-03-24 2007-10-04 Webasto Ag Vehicle roof with a sliding cover with a luminous surface
DE10313067B4 (en) * 2003-03-24 2014-02-13 Webasto Ag Vehicle roof with a non-transparent lid with a luminous surface
DE10320318A1 (en) * 2003-05-06 2004-12-02 Röhm GmbH & Co. KG Process for the preparation of light-scattering molded parts with excellent optical properties
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 conducting plate and preparation method for injection mould master batch
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

Family Cites Families (7)

* 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
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
EP0342283B1 (en) * 1988-05-18 1993-02-17 Rohm And Haas Company Thermoplastic and thermoset polymer compositions
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

Also Published As

Publication number Publication date
JPH07195557A (en) 1995-08-01
EP0656548A2 (en) 1995-06-07
AU684563B2 (en) 1997-12-18
DE9318362U1 (en) 1994-02-03
AU7912694A (en) 1995-06-08
TW279206B (en) 1996-06-21
EP0656548A3 (en) 1996-09-18

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