DE69603452T2 - Lichtlenkende optische struktur - Google Patents

Lichtlenkende optische struktur

Info

Publication number
DE69603452T2
DE69603452T2 DE69603452T DE69603452T DE69603452T2 DE 69603452 T2 DE69603452 T2 DE 69603452T2 DE 69603452 T DE69603452 T DE 69603452T DE 69603452 T DE69603452 T DE 69603452T DE 69603452 T2 DE69603452 T2 DE 69603452T2
Authority
DE
Germany
Prior art keywords
waveguide
light
prism
edge
light source
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
DE69603452T
Other languages
German (de)
English (en)
Other versions
DE69603452D1 (de
Inventor
Karl Beeson
Jerry Kuper
Leon Segal
Scott 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
Application granted granted Critical
Publication of DE69603452D1 publication Critical patent/DE69603452D1/de
Publication of DE69603452T2 publication Critical patent/DE69603452T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G02B6/0033—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
    • 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)
DE69603452T 1995-01-23 1996-01-19 Lichtlenkende optische struktur Expired - Lifetime DE69603452T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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 (2)

Publication Number Publication Date
DE69603452D1 DE69603452D1 (de) 1999-09-02
DE69603452T2 true DE69603452T2 (de) 2000-02-03

Family

ID=23486141

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69603452T Expired - Lifetime DE69603452T2 (de) 1995-01-23 1996-01-19 Lichtlenkende optische struktur
DE69617046T Expired - Lifetime DE69617046T2 (de) 1995-01-23 1996-01-19 Lichtlenkende optische Struktur

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69617046T Expired - Lifetime DE69617046T2 (de) 1995-01-23 1996-01-19 Lichtlenkende optische Struktur

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)

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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
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
AU4759096A (en) 1996-08-14
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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