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WO1999066355A3 - Lighting fixture for fiber optics and method - Google Patents

Lighting fixture for fiber optics and method Download PDF

Info

Publication number
WO1999066355A3
WO1999066355A3 PCT/US1999/013901 US9913901W WO9966355A3 WO 1999066355 A3 WO1999066355 A3 WO 1999066355A3 US 9913901 W US9913901 W US 9913901W WO 9966355 A3 WO9966355 A3 WO 9966355A3
Authority
WO
WIPO (PCT)
Prior art keywords
channel
per unit
luminous flux
unit length
substantially uniform
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
PCT/US1999/013901
Other languages
French (fr)
Other versions
WO1999066355A2 (en
Inventor
Christopher F Bragg
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.)
Energy Focus Inc
Original Assignee
Fiberstars 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 Fiberstars Inc filed Critical Fiberstars Inc
Publication of WO1999066355A2 publication Critical patent/WO1999066355A2/en
Publication of WO1999066355A3 publication Critical patent/WO1999066355A3/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
    • 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
    • G02B6/001—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 along at least a portion of the lateral surface of the fibre
    • 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
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/241—Light guide terminations

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

Lighting apparatus includes an elongated body of optical material forming an optical channel (5) having high refractive index, and is adapted to receive luminous flux (13) at one or both ends of the body for lateral emission of luminous flux at substantially uniform surface intensity per unit length of the channel. Discrete diffusive targets (15, 16, 17, 18) are disposed at aperiodically-spaced locations on a smooth interface of the channel with surrounding air to control the uniformity of diffused light per unit length laterally emitted from the channel. A computer-implemented calculation determines optimum orientations of discrete targets on the interfacing surface for substantially uniform intensity of laterally-emitted luminous flux per unit length from the optical channel.
PCT/US1999/013901 1998-06-19 1999-06-18 Lighting fixture for fiber optics and method Ceased WO1999066355A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10044798A 1998-06-19 1998-06-19
US09/100,447 1998-06-19

Publications (2)

Publication Number Publication Date
WO1999066355A2 WO1999066355A2 (en) 1999-12-23
WO1999066355A3 true WO1999066355A3 (en) 2000-02-24

Family

ID=22279817

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/013901 Ceased WO1999066355A2 (en) 1998-06-19 1999-06-18 Lighting fixture for fiber optics and method

Country Status (1)

Country Link
WO (1) WO1999066355A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6769799B2 (en) 2002-03-12 2004-08-03 Tyco Electronics Canada Apparatus, methods and articles of manufacture for a co-extruded light pipe

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5438484A (en) * 1991-12-06 1995-08-01 Canon Kabushiki Kaisha Surface lighting device and a display having such a lighting device
US5584556A (en) * 1991-11-28 1996-12-17 Enplas Corporation Surface light source device
US5664862A (en) * 1994-11-29 1997-09-09 Precision Lamp, Inc. Edge light for panel display
US5987199A (en) * 1996-01-19 1999-11-16 Lumenyte International Corporation Side lighting optical conduit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5584556A (en) * 1991-11-28 1996-12-17 Enplas Corporation Surface light source device
US5438484A (en) * 1991-12-06 1995-08-01 Canon Kabushiki Kaisha Surface lighting device and a display having such a lighting device
US5664862A (en) * 1994-11-29 1997-09-09 Precision Lamp, Inc. Edge light for panel display
US5987199A (en) * 1996-01-19 1999-11-16 Lumenyte International Corporation Side lighting optical conduit

Also Published As

Publication number Publication date
WO1999066355A2 (en) 1999-12-23

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