TW332262B - Light guide plates and light guide plate assembly - Google Patents

Light guide plates and light guide plate assembly

Info

Publication number
TW332262B
TW332262B TW085109135A TW85109135A TW332262B TW 332262 B TW332262 B TW 332262B TW 085109135 A TW085109135 A TW 085109135A TW 85109135 A TW85109135 A TW 85109135A TW 332262 B TW332262 B TW 332262B
Authority
TW
Taiwan
Prior art keywords
light guide
guide plate
plate assembly
diffraction grating
light
Prior art date
Application number
TW085109135A
Other languages
English (en)
Inventor
Shinichirou Ochiai
Original Assignee
Shimada Seimitsu Kk
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=15216525&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=TW332262(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Shimada Seimitsu Kk filed Critical Shimada Seimitsu Kk
Application granted granted Critical
Publication of TW332262B publication Critical patent/TW332262B/zh

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0035Means 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
    • G02B6/0038Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0075Arrangements of multiple light guides
    • G02B6/0076Stacked arrangements of multiple light guides of the same or different cross-sectional area
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133621Illuminating devices providing coloured light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Liquid Crystal (AREA)
TW085109135A 1996-05-31 1996-07-26 Light guide plates and light guide plate assembly TW332262B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8138204A JP2865618B2 (ja) 1996-05-31 1996-05-31 導光板および導光板アセンブリ

Publications (1)

Publication Number Publication Date
TW332262B true TW332262B (en) 1998-05-21

Family

ID=15216525

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085109135A TW332262B (en) 1996-05-31 1996-07-26 Light guide plates and light guide plate assembly

Country Status (4)

Country Link
US (1) US5703667A (zh)
JP (1) JP2865618B2 (zh)
KR (1) KR100244987B1 (zh)
TW (1) TW332262B (zh)

Families Citing this family (159)

* Cited by examiner, † Cited by third party
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KR100244987B1 (ko) 2000-03-02
KR970075952A (ko) 1997-12-10

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