DE69414576T2 - Hohler Lichtleiter mit prismatischer Oberfläche - Google Patents

Hohler Lichtleiter mit prismatischer Oberfläche

Info

Publication number
DE69414576T2
DE69414576T2 DE69414576T DE69414576T DE69414576T2 DE 69414576 T2 DE69414576 T2 DE 69414576T2 DE 69414576 T DE69414576 T DE 69414576T DE 69414576 T DE69414576 T DE 69414576T DE 69414576 T2 DE69414576 T2 DE 69414576T2
Authority
DE
Germany
Prior art keywords
light guide
hollow light
prismatic surface
prismatic
hollow
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 - Fee Related
Application number
DE69414576T
Other languages
English (en)
Other versions
DE69414576D1 (de
Inventor
David Wortman
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of DE69414576D1 publication Critical patent/DE69414576D1/de
Publication of DE69414576T2 publication Critical patent/DE69414576T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/032—Optical fibres with cladding with or without a coating with non solid core or cladding
    • 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
    • G02B6/0096—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type
    • 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
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/305—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being the ends of optical fibres
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S385/00—Optical waveguides
    • Y10S385/901—Illuminating or display apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Light Guides In General And Applications Therefor (AREA)
DE69414576T 1993-07-08 1994-06-30 Hohler Lichtleiter mit prismatischer Oberfläche Expired - Fee Related DE69414576T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/089,288 US5363470A (en) 1993-07-08 1993-07-08 Displacing an optical lighting film's linear array of grooves to facilitate emission of light
PCT/US1994/007415 WO1995002201A1 (en) 1993-07-08 1994-06-30 Displacing an optical lighting film's linear array of grooves to facilitate emission of light

Publications (2)

Publication Number Publication Date
DE69414576D1 DE69414576D1 (de) 1998-12-17
DE69414576T2 true DE69414576T2 (de) 1999-04-08

Family

ID=22216797

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69414576T Expired - Fee Related DE69414576T2 (de) 1993-07-08 1994-06-30 Hohler Lichtleiter mit prismatischer Oberfläche

Country Status (6)

Country Link
US (1) US5363470A (de)
EP (1) EP0707713B1 (de)
JP (1) JPH08512413A (de)
CA (1) CA2166702A1 (de)
DE (1) DE69414576T2 (de)
WO (1) WO1995002201A1 (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5481637A (en) * 1994-11-02 1996-01-02 The University Of British Columbia Hollow light guide for diffuse light
WO1996027757A1 (en) * 1995-03-03 1996-09-12 Minnesota Mining And Manufacturing Company Light directing film having variable height structured surface and light directing article constructed therefrom
US5700077A (en) * 1995-03-23 1997-12-23 Minnesota Mining And Manufacturing Company Line light source including fluorescent colorant
JPH11513812A (ja) * 1995-10-18 1999-11-24 ミネソタ マイニング アンド マニュファクチャリング カンパニー 全反射導光体
US5838403A (en) * 1996-02-14 1998-11-17 Physical Optics Corporation Liquid crystal display system with internally reflecting waveguide for backlighting and non-Lambertian diffusing
US6072551A (en) * 1996-02-14 2000-06-06 Physical Optics Corporation Backlight apparatus for illuminating a display with controlled light output characteristics
DE19611745A1 (de) * 1996-03-25 1997-10-02 Zae Bayern Lichtstreuende Kapillarstückenplatte
US5903695A (en) * 1996-03-27 1999-05-11 Lumenyte International Corp. Linear light form with light diverting layer
US5919551A (en) * 1996-04-12 1999-07-06 3M Innovative Properties Company Variable pitch structured optical film
US5924793A (en) * 1996-11-15 1999-07-20 Pahl; Richard C. Light illumination system
US5845038A (en) * 1997-01-28 1998-12-01 Minnesota Mining And Manufacturing Company Optical fiber illumination system
US6031958A (en) * 1997-05-21 2000-02-29 Mcgaffigan; Thomas H. Optical light pipes with laser light appearance
US6863428B2 (en) * 1997-10-24 2005-03-08 3M Innovative Properties Company Light guide illumination device appearing uniform in brightness along its length
US6282355B1 (en) 1998-03-27 2001-08-28 Lumenyte International Corporation Linear light form with light diverting layer
US6325550B1 (en) 1998-04-15 2001-12-04 3M Innovative Properties Company Thermally protective coupling for a light conduit lighting system
WO1999053240A1 (en) 1998-04-15 1999-10-21 Minnesota Mining And Manufacturing Company Mounting assembly for a light conduit lighting system
US6130976A (en) * 1998-04-15 2000-10-10 3M Innovative Properties Company Coupling system for a light conduit
CA2282099A1 (en) 1998-09-16 2000-03-16 Litton Systems, Inc. Optical lighting apparatus
US6646769B1 (en) * 2000-06-21 2003-11-11 Umax Data Systems, Inc. Light source mechanism for an imaging apparatus
US6659629B2 (en) 2001-01-03 2003-12-09 North American Lighting, Inc. Running board lighting device
US20040233668A1 (en) * 2003-05-21 2004-11-25 Jennifer Telfer Decorative string lights
US7267467B2 (en) * 2004-06-02 2007-09-11 Pixon Technologies Corp. Linear light source for enhancing uniformity of beaming light within the beaming light's effective focal range
US7389020B2 (en) * 2005-01-28 2008-06-17 Intier Automotive Inc. Light pipe assembly
US7777955B2 (en) * 2005-07-29 2010-08-17 Optical Research Associates Rippled mixers for uniformity and color mixing
CN101529155B (zh) * 2006-05-25 2013-12-04 I2Ic公司 表面形光源的节能照明
KR100775845B1 (ko) * 2006-06-14 2007-11-13 엘지전자 주식회사 광 가이드를 이용한 조명 시스템
JP2009244360A (ja) * 2008-03-28 2009-10-22 Brother Ind Ltd ライトパイプ、照明光学系及び画像投影装置
CN101581433A (zh) * 2008-05-14 2009-11-18 富准精密工业(深圳)有限公司 发光二极管灯具
US20100188751A1 (en) * 2009-01-29 2010-07-29 3M Innovative Properties Company Optical films with internally conformable layers and method of making the films
TWI416030B (zh) * 2010-11-30 2013-11-21 Wintek Corp 水晶燈燈源
US9046637B1 (en) * 2014-02-25 2015-06-02 3M Innovative Properties Company Tubular lighting systems with inner and outer structured surfaces
US9834157B2 (en) 2014-04-16 2017-12-05 Ford Global Technologies, Llc Method for reducing reflectance of bright decorative trim under high ambient light conditions
DE102018006479A1 (de) * 2018-08-16 2020-02-20 Daimler Ag Beleuchtungsvorrichtung für ein Fahrzeug

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4260220A (en) * 1979-06-15 1981-04-07 Canadian Patents And Development Limited Prism light guide having surfaces which are in octature
JPS581105A (ja) * 1981-06-25 1983-01-06 Mitsubishi Electric Corp 光フアイバ照光装置
DE3373336D1 (de) * 1982-05-11 1987-10-08 Kei Mori Photoradiator
US4615579A (en) * 1983-08-29 1986-10-07 Canadian Patents & Development Ltd. Prism light guide luminaire
US4750798A (en) * 1983-08-29 1988-06-14 Canadian Patents And Developement Limited Prism light guide luminaire
US5056892A (en) * 1985-11-21 1991-10-15 Minnesota Mining And Manufacturing Company Totally internally reflecting thin, flexible film
CA1279783C (en) * 1985-11-21 1991-02-05 Minnesota Mining And Manufacturing Company Totally internally reflecting thin, flexible film
US4805984A (en) * 1985-11-21 1989-02-21 Minnesota Mining And Manufacturing Company Totally internally reflecting light conduit
CA1268969A (en) * 1986-01-15 1990-05-15 Sanford Cobb, Jr. Totally internally reflecting light conduit
US4850665A (en) * 1987-02-20 1989-07-25 Minnesota Mining And Manufacturing Company Method and apparatus for controlled emission of light from prism light guide
US4787708A (en) * 1987-05-08 1988-11-29 Tir Systems Ltd. Apparatus for continuously controlled emission of light from prism light guide
US4834495A (en) * 1987-05-08 1989-05-30 Minnesota Mining And Manufacturing Company Collapsible light pipe
US4912605A (en) * 1988-09-21 1990-03-27 Tir Systems Ltd. Illumination system which reduces loss of visibility caused by lamp failure
US4996632A (en) * 1988-10-07 1991-02-26 Gulton Industries, Inc. Multi-color illuminating system
JPH02143202A (ja) * 1988-11-25 1990-06-01 Takashi Mori 光ラジエータ
US5095415A (en) * 1989-10-30 1992-03-10 Minnesota Mining And Manufacturing Company Light fixture for externally illuminated sign
US5040883A (en) * 1989-10-30 1991-08-20 Minnesota Mining And Manufacturing Company Light fixture with beam shaping lens
US5043850A (en) * 1990-01-10 1991-08-27 Minnesota Mining And Manufacturing Company Direction dependent line light source
US5117478A (en) * 1991-02-19 1992-05-26 Minnesota Mining And Manufacturing Company Device for redirecting light through a hollow tubular light conduit

Also Published As

Publication number Publication date
WO1995002201A1 (en) 1995-01-19
EP0707713B1 (de) 1998-11-11
US5363470A (en) 1994-11-08
CA2166702A1 (en) 1995-01-19
DE69414576D1 (de) 1998-12-17
EP0707713A1 (de) 1996-04-24
JPH08512413A (ja) 1996-12-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee