NL1015060A1 - Weergeefinrichting met vloeibare kristallen, lichtgeleiderplaat, en werkwijze voor het vervaardigen van de lichtgeleiderplaat. - Google Patents

Weergeefinrichting met vloeibare kristallen, lichtgeleiderplaat, en werkwijze voor het vervaardigen van de lichtgeleiderplaat.

Info

Publication number
NL1015060A1
NL1015060A1 NL1015060A NL1015060A NL1015060A1 NL 1015060 A1 NL1015060 A1 NL 1015060A1 NL 1015060 A NL1015060 A NL 1015060A NL 1015060 A NL1015060 A NL 1015060A NL 1015060 A1 NL1015060 A1 NL 1015060A1
Authority
NL
Netherlands
Prior art keywords
light guide
guide plate
manufacturing
liquid crystal
display device
Prior art date
Application number
NL1015060A
Other languages
English (en)
Other versions
NL1015060C2 (nl
Inventor
Yasuo Hira
Hitoshi Taniguchi
Toshitsugu Miyawaki
Shuji Yano
Original Assignee
Hitachi Ltd
Nitto Denko Corp
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 Hitachi Ltd, Nitto Denko Corp filed Critical Hitachi Ltd
Publication of NL1015060A1 publication Critical patent/NL1015060A1/nl
Application granted granted Critical
Publication of NL1015060C2 publication Critical patent/NL1015060C2/nl

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
    • 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
    • G02B6/00362-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • 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
    • G02B6/0058Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • 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
    • G02B6/0065Manufacturing aspects; Material aspects
    • 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
    • G02F1/133615Edge-illuminating devices, i.e. illuminating from the side
    • 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
    • G02B6/0045Means 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 by shaping at least a portion of the light guide
    • G02B6/0046Tapered light guide, e.g. wedge-shaped light guide
    • 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
    • G02F2201/00Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/58Arrangements comprising a monitoring photodetector
    • 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
    • G02F2203/00Function characteristic
    • G02F2203/64Normally black display, i.e. the off state being black

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
NL1015060A 1999-04-30 2000-04-28 Weergeefinrichting met vloeibare kristallen, lichtgeleiderplaat, en werkwijze voor het vervaardigen van de lichtgeleiderplaat. NL1015060C2 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12441199A JP3527961B2 (ja) 1999-04-30 1999-04-30 フロントライト型反射液晶表示装置
JP12441199 1999-04-30

Publications (2)

Publication Number Publication Date
NL1015060A1 true NL1015060A1 (nl) 2000-10-31
NL1015060C2 NL1015060C2 (nl) 2001-02-14

Family

ID=14884815

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1015060A NL1015060C2 (nl) 1999-04-30 2000-04-28 Weergeefinrichting met vloeibare kristallen, lichtgeleiderplaat, en werkwijze voor het vervaardigen van de lichtgeleiderplaat.

Country Status (5)

Country Link
US (1) US6522373B1 (nl)
JP (1) JP3527961B2 (nl)
KR (1) KR100341250B1 (nl)
NL (1) NL1015060C2 (nl)
TW (1) TW493148B (nl)

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JP2001124930A (ja) * 1999-10-29 2001-05-11 Nippon Leiz Co Ltd 導光板および平面照明装置
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JP4662402B2 (ja) * 2001-03-12 2011-03-30 日東電工株式会社 外光及び照明両モード用のフロントライト用の導光板、外光及び照明両モード用のフロントライト用の面光源装置並びに外光及び照明両モード用のフロントライト式の反射型液晶表示装置
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JP4122161B2 (ja) 2002-02-04 2008-07-23 日本電産コパル株式会社 面発光装置
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Also Published As

Publication number Publication date
US6522373B1 (en) 2003-02-18
KR20000071876A (ko) 2000-11-25
JP3527961B2 (ja) 2004-05-17
JP2000314882A (ja) 2000-11-14
KR100341250B1 (ko) 2002-06-22
NL1015060C2 (nl) 2001-02-14
TW493148B (en) 2002-07-01

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