DE68926071T2 - Einrichtung zur optischen Modulation mit Polymerflüssigkristall - Google Patents

Einrichtung zur optischen Modulation mit Polymerflüssigkristall

Info

Publication number
DE68926071T2
DE68926071T2 DE68926071T DE68926071T DE68926071T2 DE 68926071 T2 DE68926071 T2 DE 68926071T2 DE 68926071 T DE68926071 T DE 68926071T DE 68926071 T DE68926071 T DE 68926071T DE 68926071 T2 DE68926071 T2 DE 68926071T2
Authority
DE
Germany
Prior art keywords
liquid crystal
optical modulation
polymer liquid
polymer
modulation
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 - Fee Related
Application number
DE68926071T
Other languages
English (en)
Other versions
DE68926071D1 (de
Inventor
Kazuo Yoshinaga
Yutaka Kurabayashi
Kazuo Isaka
Shuzo Kaneko
Akihiro Mouri
Yomishi Toshida
Toshikazu Ohnishi
Takeo Eguchi
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.)
Canon Inc
Original Assignee
Canon 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
Priority claimed from JP63115774A external-priority patent/JP2632920B2/ja
Priority claimed from JP13442288A external-priority patent/JPH01304431A/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE68926071D1 publication Critical patent/DE68926071D1/de
Publication of DE68926071T2 publication Critical patent/DE68926071T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G02F1/132—Thermal activation of liquid crystals exhibiting a thermo-optic effect
    • 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
    • G02F1/133365—Cells in which the active layer comprises a liquid crystalline polymer
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0025—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with cylinders or cylinder-like carriers or cylindrical sections or flat carriers loaded onto a cylindrical surface, e.g. truncated cones
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0055—Erasing
    • G11B7/00555—Erasing involving liquid crystal media
DE68926071T 1988-05-11 1989-05-10 Einrichtung zur optischen Modulation mit Polymerflüssigkristall Expired - Fee Related DE68926071T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63115774A JP2632920B2 (ja) 1988-05-11 1988-05-11 記録方法、記録媒体及び記録装置
JP13442288A JPH01304431A (ja) 1988-06-02 1988-06-02 表示媒体およびその表示方法

Publications (2)

Publication Number Publication Date
DE68926071D1 DE68926071D1 (de) 1996-05-02
DE68926071T2 true DE68926071T2 (de) 1996-11-14

Family

ID=31718857

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68926071T Expired - Fee Related DE68926071T2 (de) 1988-05-11 1989-05-10 Einrichtung zur optischen Modulation mit Polymerflüssigkristall

Country Status (3)

Country Link
US (1) US5272552A (de)
EP (1) EP0349731B1 (de)
DE (1) DE68926071T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2851906B2 (ja) * 1990-03-23 1999-01-27 キヤノン株式会社 光学変調素子及び表示装置
JPH03288124A (ja) * 1990-04-04 1991-12-18 Victor Co Of Japan Ltd カラー画像表示装置の光学系
GB2248065B (en) * 1990-09-07 1994-03-16 Marconi Gec Ltd Optical storage devices
US5625477A (en) * 1994-04-11 1997-04-29 Advanced Display Systems, Inc. Zero field multistable cholesteric liquid crystal displays
US5889566A (en) * 1994-04-11 1999-03-30 Advanced Display Systems, Inc. Multistable cholesteric liquid crystal devices driven by width-dependent voltage pulse
EP0982605A1 (de) * 1998-08-26 2000-03-01 MERCK PATENT GmbH Reflektierender Film
JP4107767B2 (ja) * 1999-06-23 2008-06-25 ソニー株式会社 光記録媒体及びこれを用いた記録再生方法、記録再生装置
US7286111B2 (en) * 2003-11-13 2007-10-23 Eastman Kodak Company Apparatus for electro-optically writing a display
TWI348408B (en) * 2004-04-28 2011-09-11 Olympus Corp Laser processing device

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2831909A1 (de) * 1978-07-20 1980-02-07 Basf Ag Fluessig-kristalline polymerphase mit cholesterischer struktur, verfahren zu ihrer herstellung und ihre verwendung
GB8324642D0 (en) * 1983-09-14 1983-10-19 Univ Manchester Liquid crystal storage device
FR2581209B1 (fr) * 1985-04-26 1993-11-05 Canon Kk Dispositif optique a cristal liquide
US4844835A (en) * 1985-12-26 1989-07-04 Idenitsu Kosan Co., Ltd. Ferroelectric liquid crystal polymer
JPS62170448A (ja) * 1986-01-23 1987-07-27 Nippon Light Metal Co Ltd アルミニウム極細線
JPS62175939A (ja) * 1986-01-29 1987-08-01 Nippon Oil Co Ltd 記録媒体
GB8616165D0 (en) * 1986-07-02 1986-08-06 Stc Plc Liquid crystal cell
US5029983A (en) * 1986-12-06 1991-07-09 Semiconductor Energy Laboratory Co., Ltd. Liquid crystal device with a smectic chiral liquid crystal
DE3788634D1 (de) * 1986-12-17 1994-02-10 Canon Kk Verfahren und Gerät zur optischen Aufnahme.
DE3888734T2 (de) * 1987-06-22 1994-11-03 Idemitsu Kosan Co Herstellungsverfahren für ein optisches Flüssigkristallelement.
US5066107A (en) * 1988-06-16 1991-11-19 Canon Kabushiki Kaisha Liquid crystal display medium, liquid crystal display method and liquid crystal display apparatus for outputting color images
JP2741540B2 (ja) * 1989-07-10 1998-04-22 キヤノン株式会社 カラー画像形成装置

Also Published As

Publication number Publication date
EP0349731B1 (de) 1996-03-27
US5272552A (en) 1993-12-21
EP0349731A2 (de) 1990-01-10
DE68926071D1 (de) 1996-05-02
EP0349731A3 (de) 1991-01-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee