NL1014980A1 - Weergeefinrichting met vloeibare kristallen en lichtpijp. - Google Patents

Weergeefinrichting met vloeibare kristallen en lichtpijp.

Info

Publication number
NL1014980A1
NL1014980A1 NL1014980A NL1014980A NL1014980A1 NL 1014980 A1 NL1014980 A1 NL 1014980A1 NL 1014980 A NL1014980 A NL 1014980A NL 1014980 A NL1014980 A NL 1014980A NL 1014980 A1 NL1014980 A1 NL 1014980A1
Authority
NL
Netherlands
Prior art keywords
display device
liquid crystals
light pipe
crystals
pipe
Prior art date
Application number
NL1014980A
Other languages
English (en)
Other versions
NL1014980C2 (nl
Inventor
Seiji Umemoto
Original Assignee
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 Nitto Denko Corp filed Critical Nitto Denko Corp
Publication of NL1014980A1 publication Critical patent/NL1014980A1/nl
Application granted granted Critical
Publication of NL1014980C2 publication Critical patent/NL1014980C2/nl

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
    • G02B6/0035—Means 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
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width 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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • 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
    • G02B6/0035—Means 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
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces

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)
  • Escalators And Moving Walkways (AREA)
  • Liquid Crystal (AREA)
NL1014980A 1999-06-22 2000-04-19 Weergeefinrichting met vloeibare kristallen en lichtpijp. NL1014980C2 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17569999A JP4414510B2 (ja) 1999-06-22 1999-06-22 乗客用エスカレータ
JP17569999 1999-06-22

Publications (2)

Publication Number Publication Date
NL1014980A1 true NL1014980A1 (nl) 2000-10-23
NL1014980C2 NL1014980C2 (nl) 2002-06-11

Family

ID=16000710

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1014980A NL1014980C2 (nl) 1999-06-22 2000-04-19 Weergeefinrichting met vloeibare kristallen en lichtpijp.

Country Status (2)

Country Link
JP (1) JP4414510B2 (nl)
NL (1) NL1014980C2 (nl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4401138B2 (ja) 2003-10-10 2010-01-20 東芝エレベータ株式会社 乗客コンベア
JP2005126204A (ja) * 2003-10-24 2005-05-19 Mitsubishi Electric Corp 乗客コンベヤーの欄干装置
JP4619030B2 (ja) * 2004-04-06 2011-01-26 東芝エレベータ株式会社 乗客コンベア
WO2021064934A1 (ja) * 2019-10-03 2021-04-08 三菱電機株式会社 乗客コンベア

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2692025B2 (ja) * 1992-01-24 1997-12-17 スタンレー電気株式会社 面状発光体装置
JPH075462A (ja) * 1993-06-16 1995-01-10 Dainippon Printing Co Ltd 面光源、それを用いた表示装置、及びそれらに用いる光拡散シート
JP3012462B2 (ja) * 1994-09-26 2000-02-21 富士通株式会社 導光板並びにこれを用いた面光源及び非発光型表示装置
EP0950851B1 (en) * 1998-04-17 2006-03-01 Nitto Denko Corporation Light conductive plate, surface light source device, and reflection type liquid-crystal display

Also Published As

Publication number Publication date
NL1014980C2 (nl) 2002-06-11
JP2001002357A (ja) 2001-01-09
JP4414510B2 (ja) 2010-02-10

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Legal Events

Date Code Title Description
AD1A A request for search or an international type search has been filed
RD2N Patents in respect of which a decision has been taken or a report has been made (novelty report)

Effective date: 20020206

PD2B A search report has been drawn up
MM Lapsed because of non-payment of the annual fee

Effective date: 20150501