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DE3782353D1 - Optische modulationsvorrichtung. - Google Patents

Optische modulationsvorrichtung.

Info

Publication number
DE3782353D1
DE3782353D1 DE8787104841T DE3782353T DE3782353D1 DE 3782353 D1 DE3782353 D1 DE 3782353D1 DE 8787104841 T DE8787104841 T DE 8787104841T DE 3782353 T DE3782353 T DE 3782353T DE 3782353 D1 DE3782353 D1 DE 3782353D1
Authority
DE
Germany
Prior art keywords
modulation device
optical modulation
optical
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 - Lifetime
Application number
DE8787104841T
Other languages
English (en)
Other versions
DE3782353T2 (de
Inventor
Shuzo Kaneko
Tsutomu Toyono
Junichiro Kanbe
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 JP61075867A external-priority patent/JPH07122703B2/ja
Priority claimed from JP61075868A external-priority patent/JP2517549B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE3782353D1 publication Critical patent/DE3782353D1/de
Publication of DE3782353T2 publication Critical patent/DE3782353T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3622—Control of matrices with row and column drivers using a passive matrix
    • G09G3/3629—Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric liquid crystals
    • G09G3/3637—Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric liquid crystals with intermediate tones displayed by domain size control
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133753—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle
    • 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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/141—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent using ferroelectric liquid crystals
    • 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
    • G02F1/133371—Cells with varying thickness of the liquid crystal layer
    • 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
    • G02F2203/00—Function characteristic
    • G02F2203/30—Gray scale
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007—Display of intermediate tones
    • G09G3/2011—Display of intermediate tones by amplitude modulation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007—Display of intermediate tones
    • G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007—Display of intermediate tones
    • G09G3/207—Display of intermediate tones by domain size control

Landscapes

  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
DE8787104841T 1986-04-02 1987-04-01 Optische modulationsvorrichtung. Expired - Fee Related DE3782353T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61075867A JPH07122703B2 (ja) 1986-04-02 1986-04-02 光学変調素子
JP61075868A JP2517549B2 (ja) 1986-04-02 1986-04-02 光学変調素子

Publications (2)

Publication Number Publication Date
DE3782353D1 true DE3782353D1 (de) 1992-12-03
DE3782353T2 DE3782353T2 (de) 1993-04-08

Family

ID=26417028

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787104841T Expired - Fee Related DE3782353T2 (de) 1986-04-02 1987-04-01 Optische modulationsvorrichtung.

Country Status (4)

Country Link
US (1) US4796980A (de)
EP (1) EP0240010B1 (de)
DE (1) DE3782353T2 (de)
ES (1) ES2035825T3 (de)

Families Citing this family (54)

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JPH0723942B2 (ja) * 1985-08-08 1995-03-15 株式会社半導体エネルギ−研究所 液晶装置
US4824218A (en) * 1986-04-09 1989-04-25 Canon Kabushiki Kaisha Optical modulation apparatus using ferroelectric liquid crystal and low-resistance portions of column electrodes
JPS62278540A (ja) * 1986-05-27 1987-12-03 Canon Inc 液晶素子、その配向制御法及びその駆動法
US5200848A (en) * 1987-09-17 1993-04-06 Canon Kabushiki Kaisha Ferroelectric smectic liquid crystal device
AU606456B2 (en) * 1987-09-17 1991-02-07 Canon Kabushiki Kaisha Ferroelectric smectic liquid crystal device
AU647786B2 (en) * 1987-09-17 1994-03-31 Canon Kabushiki Kaisha Ferroelectric smectic liquid crystal device
US5422749A (en) * 1987-09-17 1995-06-06 Canon Kabushiki Kaisha Ferroelectric smetic liquid crystal device
AU610242B2 (en) * 1987-09-18 1991-05-16 Semiconductor Energy Laboratory Co. Ltd. Liquid crystal electro-optical device
US4906074A (en) * 1987-09-28 1990-03-06 Semiconductor Energy Laboratory Co., Ltd. FLC liquid crystal electro-optical device having microdomains within pixels
DE3855346T2 (de) * 1987-12-10 1996-11-07 Canon Kk Gerät zur Darstellung von Bildern
NL8703085A (nl) * 1987-12-21 1989-07-17 Philips Nv Werkwijze voor het besturen van een weergeefinrichting.
US5140447A (en) * 1987-12-22 1992-08-18 Canon Kabushiki Kaisha Display medium having a colored polymer liquid crystal layer
EP0352637B1 (de) * 1988-07-26 1994-03-30 Idemitsu Kosan Company Limited Ferroelektrische flüssigkristalline Zusammensetzung, diese Zusammensetzung verwendende optische Vorrichtung und Verfahren zur Herstellung dieser optischen Vorrichtung
FR2637407B1 (fr) * 1988-09-30 1994-02-11 Commissariat A Energie Atomique Procede d'affichage de niveaux de gris sur un ecran a cristaux liquides ferroelectriques a phase smectique chirale
US4974941A (en) * 1989-03-08 1990-12-04 Hercules Incorporated Process of aligning and realigning liquid crystal media
NL8901481A (nl) * 1989-06-12 1991-01-02 Philips Nv Passieve ferro-elektrisch vloeibaar kristal weergeefinrichting en werkwijze ter vervaardiging daarvan.
US5182662A (en) * 1989-12-01 1993-01-26 Canon Kabushiki Kaisha Liquid crystal device
US5073294A (en) * 1990-03-07 1991-12-17 Hercules Incorporated Process of preparing compositions having multiple oriented mesogens
JP2994814B2 (ja) * 1990-11-09 1999-12-27 キヤノン株式会社 液晶装置
JP2775527B2 (ja) * 1991-02-01 1998-07-16 キヤノン株式会社 カイラルスメクチック液晶素子
JPH04258924A (ja) * 1991-02-13 1992-09-14 Canon Inc カイラルスメクチック液晶素子およびその製造方法
JPH05150244A (ja) * 1991-02-20 1993-06-18 Canon Inc 強誘電液晶素子
US5420603A (en) * 1991-02-20 1995-05-30 Canon Kabushiki Kaisha Display apparatus
JP2794226B2 (ja) * 1991-04-15 1998-09-03 キヤノン株式会社 強誘電性液晶素子の駆動装置および駆動方法
EP0509490A3 (en) * 1991-04-16 1993-05-26 Canon Kabushiki Kaisha Liquid crystal apparatus
JPH05158444A (ja) * 1991-12-04 1993-06-25 Canon Inc 液晶表示装置
JPH05241138A (ja) * 1991-12-06 1993-09-21 Canon Inc 液晶光学素子
ATE206532T1 (de) * 1992-07-30 2001-10-15 Canon Kk Flüssigkristall-anzeigevorrichtung
US5469281A (en) * 1992-08-24 1995-11-21 Canon Kabushiki Kaisha Driving method for liquid crystal device which is not affected by a threshold characteristic change
US5552911A (en) * 1992-10-19 1996-09-03 Canon Kabushiki Kaisha Color liquid crystal display device having varying cell thickness and varying pixel areas
JP3456493B2 (ja) * 1992-10-24 2003-10-14 ソニー株式会社 液晶素子
US5532713A (en) * 1993-04-20 1996-07-02 Canon Kabushiki Kaisha Driving method for liquid crystal device
US5446570A (en) * 1993-04-27 1995-08-29 Canon Kabushiki Kaisha Liquid crystal display with projecting portions on the electrodes
GB9323242D0 (en) * 1993-11-11 1994-01-05 Central Research Lab Ltd Temperature compensation in greyscale addressing
GB9406742D0 (en) * 1994-04-06 1994-05-25 Crossland William A Thin panel display screen
ATE216090T1 (de) * 1994-08-04 2002-04-15 Canon Kk Flüssigkristallvorrichtung
GB2293260B (en) * 1994-09-19 1998-07-08 Sharp Kk Liquid crystal device
JP2997866B2 (ja) * 1995-03-10 2000-01-11 富士通株式会社 強誘電性液晶表示素子
TW373095B (en) * 1995-06-15 1999-11-01 Canon Kk Method for driving optical modulation unit, optical modulation or image display system
EP0762370A3 (de) * 1995-08-02 1998-01-07 Canon Kabushiki Kaisha Ansteuerungsverfahren für ein Anzeigegerät mit optischer Modulationsvorrichtung
EP0782039A3 (de) 1995-12-27 1998-06-17 Canon Kabushiki Kaisha Anzeigevorrichtung und ihr Herstellungsverfahren
US6072555A (en) * 1996-02-01 2000-06-06 Canon Kabushiki Kaisha Display apparatus capable of gradational display
GB9615817D0 (en) * 1996-07-26 1996-09-04 Secr Defence Liquid crystal device with greyscale
GB2320103A (en) * 1996-12-05 1998-06-10 Sharp Kk Liquid crystal devices
US6133894A (en) * 1996-12-17 2000-10-17 Canon Kabushiki Kaisha Driving method for optical apparatus
US6175401B1 (en) * 1997-05-02 2001-01-16 Casio Computer Co., Ltd. Liquid crystal display device having a liquid crystal layer which contains liquid crystal molecules in a plurality of alignment state and method for driving the same
JP3910370B2 (ja) * 2000-02-08 2007-04-25 シャープ株式会社 液晶表示デバイス
MXPA03002305A (es) * 2000-09-18 2003-10-15 Rothmans Benson & Hedges Cigarros que generan poco humo de flujo lateral, elaborados con papel combustible.
KR100964873B1 (ko) * 2002-03-15 2010-06-23 로스맨즈 벤손 엔드 헤지스 인코퍼레이티드 변형된 재 특성을 갖는 가연성 종이를 사용한 적은 생담배연기 궐련
JP4854182B2 (ja) * 2004-04-16 2012-01-18 三洋電機株式会社 表示装置
US20080018673A1 (en) * 2006-07-24 2008-01-24 Peter James Fricke Display element having substantially equally spaced human visual system (HVS) perceived lightness levels
US20080018576A1 (en) * 2006-07-23 2008-01-24 Peter James Fricke Display element having groups of individually turned-on steps
DE102011003639A1 (de) * 2010-11-11 2012-05-16 Aeg Gesellschaft für Moderne Informationssysteme mbH Flüssigkristallanzeige
CN107209431B (zh) * 2015-01-20 2020-10-23 香港科技大学 立式螺旋铁电液晶显示单元

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DE2824798A1 (de) * 1978-06-06 1979-12-13 Siemens Ag Fluessigkristallzelle
US4563059A (en) * 1983-01-10 1986-01-07 Clark Noel A Surface stabilized ferroelectric liquid crystal devices
FR2518299B1 (fr) * 1981-12-15 1990-07-20 Telemecanique Electrique Dispositif indicateur de pression de consigne pour un manostat
NL8200069A (nl) * 1982-01-11 1983-08-01 Philips Nv Weergeefinrichting met vloeibaar kristal.
US4655561A (en) * 1983-04-19 1987-04-07 Canon Kabushiki Kaisha Method of driving optical modulation device using ferroelectric liquid crystal
JPS60144721A (ja) * 1984-01-06 1985-07-31 Canon Inc 画像形成装置
US4709995A (en) * 1984-08-18 1987-12-01 Canon Kabushiki Kaisha Ferroelectric display panel and driving method therefor to achieve gray scale
US4712877A (en) * 1985-01-18 1987-12-15 Canon Kabushiki Kaisha Ferroelectric display panel of varying thickness and driving method therefor
US4664480A (en) * 1985-04-26 1987-05-12 American Telephone And Telegraph Company, At&T Bell Laboratories Alignment technique for liquid crystal devices
JPS62119521A (ja) * 1985-11-19 1987-05-30 Canon Inc 光学変調装置

Also Published As

Publication number Publication date
EP0240010A1 (de) 1987-10-07
DE3782353T2 (de) 1993-04-08
ES2035825T3 (es) 1993-05-01
US4796980A (en) 1989-01-10
EP0240010B1 (de) 1992-10-28

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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