AU4759096A - Light directing optical structure - Google Patents

Light directing optical structure

Info

Publication number
AU4759096A
AU4759096A AU47590/96A AU4759096A AU4759096A AU 4759096 A AU4759096 A AU 4759096A AU 47590/96 A AU47590/96 A AU 47590/96A AU 4759096 A AU4759096 A AU 4759096A AU 4759096 A AU4759096 A AU 4759096A
Authority
AU
Australia
Prior art keywords
waveguide
edge
optical structure
light directing
edges
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.)
Abandoned
Application number
AU47590/96A
Other languages
English (en)
Inventor
Karl W Beeson
Jerry Kuper
Leon Segal
Scott M Zimmerman
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.)
Honeywell International Inc
Original Assignee
AlliedSignal 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 AlliedSignal Inc filed Critical AlliedSignal Inc
Publication of AU4759096A publication Critical patent/AU4759096A/en
Abandoned 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
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic shape
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0028—Light guide, e.g. taper
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0018—Redirecting means on the surface of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Planar Illumination Modules (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Road Signs Or Road Markings (AREA)
AU47590/96A 1995-01-23 1996-01-19 Light directing optical structure Abandoned AU4759096A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US376709 1995-01-23
US08/376,709 US5555329A (en) 1993-11-05 1995-01-23 Light directing optical structure
PCT/US1996/000619 WO1996023166A1 (en) 1995-01-23 1996-01-19 Light directing optical structure

Publications (1)

Publication Number Publication Date
AU4759096A true AU4759096A (en) 1996-08-14

Family

ID=23486141

Family Applications (1)

Application Number Title Priority Date Filing Date
AU47590/96A Abandoned AU4759096A (en) 1995-01-23 1996-01-19 Light directing optical structure

Country Status (10)

Country Link
US (2) US5555329A (enExample)
EP (2) EP0805936B1 (enExample)
JP (2) JP3529387B2 (enExample)
KR (1) KR100474233B1 (enExample)
CN (1) CN1105862C (enExample)
AT (2) ATE208876T1 (enExample)
AU (1) AU4759096A (enExample)
DE (2) DE69603452T2 (enExample)
TW (1) TW297867B (enExample)
WO (1) WO1996023166A1 (enExample)

Families Citing this family (136)

* Cited by examiner, † Cited by third party
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EP0886103A3 (en) 1999-03-24
JPH10513001A (ja) 1998-12-08
ATE208876T1 (de) 2001-11-15
EP0886103A2 (en) 1998-12-23
MX9705276A (es) 1997-10-31
DE69603452T2 (de) 2000-02-03
ATE182664T1 (de) 1999-08-15
DE69603452D1 (de) 1999-09-02
KR19980701367A (ko) 1998-05-15
EP0805936A1 (en) 1997-11-12
US5761355A (en) 1998-06-02
WO1996023166A1 (en) 1996-08-01
TW297867B (enExample) 1997-02-11
EP0805936B1 (en) 1999-07-28
JP3529387B2 (ja) 2004-05-24
JP2004046071A (ja) 2004-02-12
KR100474233B1 (ko) 2005-06-17
US5555329A (en) 1996-09-10
CN1169182A (zh) 1997-12-31
EP0886103B1 (en) 2001-11-14
DE69617046D1 (de) 2001-12-20
CN1105862C (zh) 2003-04-16
DE69617046T2 (de) 2003-01-16

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