WO2003098270A3 - Verbesserte lichtleitkörper sowie verfahren zu dessen herstellung - Google Patents

Verbesserte lichtleitkörper sowie verfahren zu dessen herstellung Download PDF

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Publication number
WO2003098270A3
WO2003098270A3 PCT/EP2003/004719 EP0304719W WO03098270A3 WO 2003098270 A3 WO2003098270 A3 WO 2003098270A3 EP 0304719 W EP0304719 W EP 0304719W WO 03098270 A3 WO03098270 A3 WO 03098270A3
Authority
WO
WIPO (PCT)
Prior art keywords
light
production
guiding
weight
improved light
Prior art date
Application number
PCT/EP2003/004719
Other languages
English (en)
French (fr)
Other versions
WO2003098270A2 (de
Inventor
Jann Schmidt
Markus Parusel
Herbert Groothues
Guenther Ittmann
Original Assignee
Roehm Gmbh
Jann Schmidt
Markus Parusel
Herbert Groothues
Guenther Ittmann
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, Jann Schmidt, Markus Parusel, Herbert Groothues, Guenther Ittmann filed Critical Roehm Gmbh
Priority to US10/501,925 priority Critical patent/US20050084993A1/en
Priority to JP2004505739A priority patent/JP2005531104A/ja
Priority to AU2003250816A priority patent/AU2003250816A1/en
Priority to CA002484684A priority patent/CA2484684A1/en
Priority to EP03752663A priority patent/EP1492981A2/de
Publication of WO2003098270A2 publication Critical patent/WO2003098270A2/de
Publication of WO2003098270A3 publication Critical patent/WO2003098270A3/de

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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk 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
    • G02B6/0065—Manufacturing aspects; Material aspects
    • 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
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Road Signs Or Road Markings (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

Die vorliegende Erfindung betrifft ein der mindestens eine Lichteinleitungsfläche und mindestens eine Lichtaustrittsfläche aufweist, wobei das Verhältnis von Lichtaustrittsfläche zu Lichteinleitungsfläche mindestens 4 beträgt, umfassend mindestens eine lichtleitende Schicht, dadurch gekennzeichnet, dass die lichtleitende Schicht mindestens 60 Gew.-%, bezogen auf das Gewicht der lichtleitenden Schicht, Polymethylmethacrylat und 0,0001 bis 0,2 Gew.-%, bezogen auf das Gewicht der lichtleitenden Schicht, sphärische Partikel mit einem mittleren Durchmesser im Bereich von 0,3 bis 40 gm umfasst und die Lichtaustrittsfläche der lichtleitenden Schicht mit Strukturierungen versehen ist.
PCT/EP2003/004719 2002-05-16 2003-05-06 Verbesserte lichtleitkörper sowie verfahren zu dessen herstellung WO2003098270A2 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US10/501,925 US20050084993A1 (en) 2002-05-16 2003-05-06 Light-guiding bodies and method for the production thereof
JP2004505739A JP2005531104A (ja) 2002-05-16 2003-05-06 改善された光導体およびその製法
AU2003250816A AU2003250816A1 (en) 2002-05-16 2003-05-06 Improved light-guiding bodies and method for the production thereof
CA002484684A CA2484684A1 (en) 2002-05-16 2003-05-06 Improved light-guiding bodies and method for the production thereof
EP03752663A EP1492981A2 (de) 2002-05-16 2003-05-06 Verbesserte lichtleitkörper sowie verfahren zu dessen herstellung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10222250A DE10222250A1 (de) 2002-05-16 2002-05-16 Verbesserte Lichtleitkörper sowie Verfahren zu dessen Herstellung
DE10222250.9 2002-05-16

Publications (2)

Publication Number Publication Date
WO2003098270A2 WO2003098270A2 (de) 2003-11-27
WO2003098270A3 true WO2003098270A3 (de) 2004-10-14

Family

ID=29285586

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/004719 WO2003098270A2 (de) 2002-05-16 2003-05-06 Verbesserte lichtleitkörper sowie verfahren zu dessen herstellung

Country Status (11)

Country Link
US (1) US20050084993A1 (de)
EP (1) EP1492981A2 (de)
JP (1) JP2005531104A (de)
CN (1) CN1653295A (de)
AU (1) AU2003250816A1 (de)
CA (1) CA2484684A1 (de)
DE (1) DE10222250A1 (de)
PL (1) PL371782A1 (de)
TW (1) TWI269056B (de)
WO (1) WO2003098270A2 (de)
ZA (1) ZA200409164B (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10320318A1 (de) * 2003-05-06 2004-12-02 Röhm GmbH & Co. KG Verfahren zur Herstellung von lichtstreuenden Formteilen mit hervorragenden optischen Eigenschaften
DE10336131A1 (de) * 2003-08-04 2005-02-24 Röhm GmbH & Co. KG Stabiler Rückprojektionsschirm sowie Verfahren zu dessen Herstellung
DE10336129A1 (de) * 2003-08-04 2005-02-24 Röhm GmbH & Co. KG Kratzunempfindlicher Rückprojektionsschirm und Verfahren zu dessen Herstellung
DE10336130A1 (de) * 2003-08-04 2005-02-24 Röhm GmbH & Co. KG Streuscheibe für LCD-Anwendungen, Verfahren zu deren Herstellung und Verwendung
DE102004032393A1 (de) * 2004-07-02 2006-01-26 Röhm GmbH & Co. KG Kantenbeleuchtete Solarliegen
AU2005313736A1 (en) * 2004-12-08 2006-06-15 Thomas Buehrer Optical device for producing lines of light from quasi-point sources of light by means of slit-like cavities
JP5414224B2 (ja) * 2007-10-19 2014-02-12 富士フイルム株式会社 面状照明装置
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
DE102010018031A1 (de) * 2010-04-23 2011-10-27 Osram Opto Semiconductors Gmbh Flächenlichtleiter und Verfahren zur Herstellung eines Flächenlichtleiters
DE102010018028A1 (de) * 2010-04-23 2011-10-27 Osram Opto Semiconductors Gmbh Flächenlichtleiter und Leuchte
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
KR101304715B1 (ko) * 2012-04-25 2013-09-06 주식회사 엘지씨엔에스 도광판에서의 빛 누출 방지 방법 및 그 장치와 반사재가 토출된 도광판을 가지는 디스플레이 장치
DE102012207782A1 (de) * 2012-05-10 2013-11-14 Rheinmetall Defence Electronics Gmbh Trainingsraum eines Simulators
CN105940323B (zh) * 2014-01-29 2019-07-12 康宁公司 用于显示器照明的激光特征玻璃
US11156764B2 (en) * 2016-06-17 2021-10-26 Ideal Industries Lighting Llc Bonded optical systems and applications thereof

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0559914A1 (de) * 1991-09-27 1993-09-15 KOIKE, Yasuhiro Lichtstreuender lichtleiter und seine herstellung und ihn verwendendevorrichtung der angewandten optik
US5395882A (en) * 1992-09-24 1995-03-07 Rohm Gmbh Chemische Fabrik Light-scattering polystyrene molding compounds, and molded articles produced therefrom
EP0656548A2 (de) * 1993-12-01 1995-06-07 Röhm GmbH Gleichmässig ausgeleuchtete Lichtleiterplatten
US5607764A (en) * 1994-10-27 1997-03-04 Fuji Photo Film Co., Ltd. Optical diffuser
WO1997008252A1 (en) * 1995-08-30 1997-03-06 Minnesota Mining And Manufacturing Company Back light reflection sheet for liquid crystal
US5881201A (en) * 1997-03-11 1999-03-09 Hoechst Celanese Corporation Backlighting lightpipes for display applications
US6027221A (en) * 1996-08-05 2000-02-22 Enplas Corporation Surface light source device of side light type and mold for light guide plate employed in the device
JP2000113708A (ja) * 1998-10-02 2000-04-21 Toshiba Chem Corp 照明装置
JP2002062438A (ja) * 2000-08-17 2002-02-28 Tamura Electric Works Ltd 導光体及び照明装置
US20020039287A1 (en) * 1997-08-11 2002-04-04 Shingo Ohkawa Surface light source device of side light type

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6215936B1 (en) * 1997-05-29 2001-04-10 Kuraray Co., Ltd. Lightguide having trapezoidally-shaped main body with a level surface at an angle to a rear surface
DE10156068A1 (de) * 2001-11-16 2003-05-28 Roehm Gmbh Lichtleitkörper sowie Verfahren zu dessen Herstellung
DE10251778A1 (de) * 2002-11-05 2004-05-19 Röhm GmbH & Co. KG Rückprojektionsschirm sowie Verfahren zu dessen Herstellung

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0559914A1 (de) * 1991-09-27 1993-09-15 KOIKE, Yasuhiro Lichtstreuender lichtleiter und seine herstellung und ihn verwendendevorrichtung der angewandten optik
US5395882A (en) * 1992-09-24 1995-03-07 Rohm Gmbh Chemische Fabrik Light-scattering polystyrene molding compounds, and molded articles produced therefrom
EP0656548A2 (de) * 1993-12-01 1995-06-07 Röhm GmbH Gleichmässig ausgeleuchtete Lichtleiterplatten
US5607764A (en) * 1994-10-27 1997-03-04 Fuji Photo Film Co., Ltd. Optical diffuser
WO1997008252A1 (en) * 1995-08-30 1997-03-06 Minnesota Mining And Manufacturing Company Back light reflection sheet for liquid crystal
US6027221A (en) * 1996-08-05 2000-02-22 Enplas Corporation Surface light source device of side light type and mold for light guide plate employed in the device
US5881201A (en) * 1997-03-11 1999-03-09 Hoechst Celanese Corporation Backlighting lightpipes for display applications
US20020039287A1 (en) * 1997-08-11 2002-04-04 Shingo Ohkawa Surface light source device of side light type
JP2000113708A (ja) * 1998-10-02 2000-04-21 Toshiba Chem Corp 照明装置
JP2002062438A (ja) * 2000-08-17 2002-02-28 Tamura Electric Works Ltd 導光体及び照明装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 07 29 September 2000 (2000-09-29) *
PATENT ABSTRACTS OF JAPAN vol. 2002, no. 06 4 June 2002 (2002-06-04) *

Also Published As

Publication number Publication date
CN1653295A (zh) 2005-08-10
EP1492981A2 (de) 2005-01-05
PL371782A1 (en) 2005-06-27
AU2003250816A8 (en) 2003-12-02
JP2005531104A (ja) 2005-10-13
CA2484684A1 (en) 2003-11-27
TW200401117A (en) 2004-01-16
ZA200409164B (en) 2005-05-18
US20050084993A1 (en) 2005-04-21
TWI269056B (en) 2006-12-21
AU2003250816A1 (en) 2003-12-02
WO2003098270A2 (de) 2003-11-27
DE10222250A1 (de) 2003-11-27

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