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ES2189810T3 - Guia de luz que proporciona salida de angulo ancho. - Google Patents

Guia de luz que proporciona salida de angulo ancho.

Info

Publication number
ES2189810T3
ES2189810T3 ES95103360T ES95103360T ES2189810T3 ES 2189810 T3 ES2189810 T3 ES 2189810T3 ES 95103360 T ES95103360 T ES 95103360T ES 95103360 T ES95103360 T ES 95103360T ES 2189810 T3 ES2189810 T3 ES 2189810T3
Authority
ES
Spain
Prior art keywords
light
guide
section
provides output
angle width
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
Application number
ES95103360T
Other languages
English (en)
Inventor
William C Mcright
Mary E Kingsbury
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.)
Siemens Communications Inc
Original Assignee
Siemens Information and Communication Networks Inc
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 Siemens Information and Communication Networks Inc filed Critical Siemens Information and Communication Networks Inc
Application granted granted Critical
Publication of ES2189810T3 publication Critical patent/ES2189810T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02B6/0033—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
    • 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
    • G02B6/0005—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 of the fibre type
    • G02B6/0008—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 of the fibre type the light being emitted at the end of the fibre

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Telephone Set Structure (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Planar Illumination Modules (AREA)

Abstract

UNA GUIA DE LUZ QUE EMITE UNA LUZ SEGUN UN PATRON DE SALIDA DE DISTRIBUCION EXTENSA. EN UN ASPECTO DE LA GUIA DE LUZ DE LA INVENCION, HAY UNA SECCION TRANSVERSAL LONGITUDINAL QUE TIENE AL MENOS UNA SECCION DE ANCHURA VARIABLE. ADEMAS, EN UN ASPECTO PREFERENTE DE LA GUIA DE LUZ DE LA INVENCION HAY UNA SECCION DE ANCHURA CRECIENTE DE LA SECCION TRANSVERSAL CERCA DEL EXTREMO DE ENTRADA DE LA GUIA DE LUZ Y UNA SECCION DE ANCHURA DECRECIENTE DE LA SECCION TRANSVERSAL CERCA DE UN EXTREMO DE SALIDA DE LA GUIA DE LUZ.
ES95103360T 1994-03-23 1995-03-08 Guia de luz que proporciona salida de angulo ancho. Expired - Lifetime ES2189810T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/217,140 US5425124A (en) 1994-03-23 1994-03-23 Lightpipe providing wide angle output

Publications (1)

Publication Number Publication Date
ES2189810T3 true ES2189810T3 (es) 2003-07-16

Family

ID=22809816

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95103360T Expired - Lifetime ES2189810T3 (es) 1994-03-23 1995-03-08 Guia de luz que proporciona salida de angulo ancho.

Country Status (5)

Country Link
US (1) US5425124A (es)
EP (1) EP0678762B1 (es)
JP (1) JP3631793B2 (es)
DE (1) DE69529012T2 (es)
ES (1) ES2189810T3 (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5815278A (en) * 1995-10-25 1998-09-29 University Of Washington Surface plasmon resonance light pipe sensing probe and related interface optics
GB9917563D0 (en) * 1999-07-27 1999-09-29 Fibre Optic Lamp Company Fibre optic lamps
US7167615B1 (en) 1999-11-05 2007-01-23 Board Of Regents, The University Of Texas System Resonant waveguide-grating filters and sensors and methods for making and using same
US6728187B2 (en) * 2001-06-07 2004-04-27 Hewlett-Packard Development Company, L.P. Light pipe assembly for an optical drive
US20050121424A1 (en) * 2003-12-05 2005-06-09 Scott Caldwell Optical horned lightpipe or lightguide
JP5414224B2 (ja) * 2007-10-19 2014-02-12 富士フイルム株式会社 面状照明装置
FR2968745B1 (fr) * 2010-12-14 2012-12-07 Valeo Systemes Thermiques Temoin lumineux

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3699950A (en) * 1970-07-02 1972-10-24 Dyonics Inc Flexible optical light pipes used for surgery
US4422719A (en) * 1981-05-07 1983-12-27 Space-Lyte International, Inc. Optical distribution system including light guide
US4466697A (en) * 1981-11-12 1984-08-21 Maurice Daniel Light dispersive optical lightpipes and method of making the same
EP0143856B1 (en) * 1983-11-29 1989-02-08 Kei Mori Photoradiator
US5071222A (en) * 1987-12-29 1991-12-10 Luxar Corporation Lightpipe tip for contact laser surgery
NL8801274A (nl) * 1988-05-18 1989-12-18 Philips Nv Gerichte optische signalering.
US5001609A (en) * 1988-10-05 1991-03-19 Hewlett-Packard Company Nonimaging light source
DE4101192A1 (de) * 1991-01-17 1992-07-23 Merk Gmbh Telefonbau Fried Anzeigevorrichtung fuer ein geraet
EP0575767B1 (en) * 1992-06-25 1998-10-14 Siemens Business Communication Systems, Inc. (a Delaware corp.) High visibility lightpipe in close proximity to function key
DE4225323C1 (es) * 1992-07-31 1993-05-06 Schott Glaswerke, 6500 Mainz, De
US5267995A (en) * 1992-09-01 1993-12-07 Pdt Systems Optical waveguide with flexible tip

Also Published As

Publication number Publication date
DE69529012T2 (de) 2003-07-10
JPH0843630A (ja) 1996-02-16
US5425124A (en) 1995-06-13
DE69529012D1 (de) 2003-01-16
EP0678762A1 (en) 1995-10-25
JP3631793B2 (ja) 2005-03-23
EP0678762B1 (en) 2002-12-04

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