ES2033674T3 - Aparato de modulacion optica para un tablero senalizador. - Google Patents

Aparato de modulacion optica para un tablero senalizador.

Info

Publication number
ES2033674T3
ES2033674T3 ES198686116359T ES86116359T ES2033674T3 ES 2033674 T3 ES2033674 T3 ES 2033674T3 ES 198686116359 T ES198686116359 T ES 198686116359T ES 86116359 T ES86116359 T ES 86116359T ES 2033674 T3 ES2033674 T3 ES 2033674T3
Authority
ES
Spain
Prior art keywords
optical modulation
modulation device
signal board
film
substrate
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
ES198686116359T
Other languages
English (en)
Inventor
Akihiro Mouri
Hiroyuki Kitayama
Shuzo Kaneko
Tohru Takahashi
Masahiko Enari
Mitsutoshi Kuno
Tsutomu Toyono
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 JP60266980A external-priority patent/JPH0799415B2/ja
Priority claimed from JP61063456A external-priority patent/JPH0769547B2/ja
Priority claimed from JP6345886A external-priority patent/JPH0668590B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of ES2033674T3 publication Critical patent/ES2033674T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/12—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by switched stationary formation of lamps, photocells or light relays
    • H04N3/127—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by switched stationary formation of lamps, photocells or light relays using liquid crystals
    • 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
    • G02F1/137—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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S359/00—Optical: systems and elements
    • Y10S359/90—Methods

Landscapes

  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Optical Integrated Circuits (AREA)

Abstract

DISPOSITIVO DE MODULACION OPTICA CON UN PRIMER SUBSTRATO EN EL QUE SE ENCUENTRA UNA PRIMERA PELICULA CONDUCTORA, UN SEGUNDO SUBSTRATO CON UNA SEGUNDA PELICULA CONDUCTORA COLOCADA EN OPOSICION A LA PRIMERA Y MATERIAL DE MODULACION OPTICO SITUADO ENTRE AMBOS SUBSTRATOS. EL DISPOSITIVO SE ACCIONA MEDIANTE LA FORMACION DE UN GRADIENTE DE POTENCIAL A LO LARGO DE LA PRIMERA PELICULA, O DE LA PRIMERA Y LA SEGUNDA, Y LA APLICACION DE UNA SEÑAL DE INFORMACION A LA PRIMERA O SEGUNDA PELICULA CONDUCTORA.
ES198686116359T 1985-11-26 1986-11-25 Aparato de modulacion optica para un tablero senalizador. Expired - Lifetime ES2033674T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP60266980A JPH0799415B2 (ja) 1985-11-26 1985-11-26 液晶装置
JP61063456A JPH0769547B2 (ja) 1986-03-20 1986-03-20 光学変調素子
JP6345886A JPH0668590B2 (ja) 1986-03-20 1986-03-20 光学変調素子

Publications (1)

Publication Number Publication Date
ES2033674T3 true ES2033674T3 (es) 1993-04-01

Family

ID=27298183

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198686116359T Expired - Lifetime ES2033674T3 (es) 1985-11-26 1986-11-25 Aparato de modulacion optica para un tablero senalizador.

Country Status (4)

Country Link
US (1) US4818078A (es)
EP (1) EP0224243B1 (es)
DE (1) DE3685632T2 (es)
ES (1) ES2033674T3 (es)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0259684B1 (en) * 1986-08-25 1994-06-08 Canon Kabushiki Kaisha Optical modulation device
US4906072A (en) * 1986-10-09 1990-03-06 Canon Kabushiki Kaisha Display apparatus and driving method for providing an uniform potential to the electrodes
JPH0827460B2 (ja) * 1987-01-29 1996-03-21 キヤノン株式会社 光学変調素子
US5000545A (en) * 1987-05-28 1991-03-19 Canon Kabushiki Kaisha Liquid crystal device with metal electrode partially overlying transparent electrode
US5187601A (en) * 1988-03-07 1993-02-16 Semiconductor Energy Laboratory Co., Ltd. Method for making a high contrast liquid crystal display including laser scribing opaque and transparent conductive strips simultaneously
JPH02228629A (ja) * 1989-02-28 1990-09-11 Sharp Corp 液晶表示装置
JP2826744B2 (ja) * 1989-03-02 1998-11-18 キヤノン株式会社 液晶表示装置
US5062691A (en) * 1989-10-27 1991-11-05 Minnesota Mining And Manufacturing Company Liquid crystal device with grey scale
US5182662A (en) * 1989-12-01 1993-01-26 Canon Kabushiki Kaisha Liquid crystal device
JP2673739B2 (ja) * 1990-07-31 1997-11-05 キヤノン株式会社 液晶素子
JP2622033B2 (ja) * 1991-01-14 1997-06-18 シャープ株式会社 液晶表示装置
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
JP2835787B2 (ja) * 1991-03-22 1998-12-14 キヤノン株式会社 強誘電性液晶素子
US5485173A (en) * 1991-04-01 1996-01-16 In Focus Systems, Inc. LCD addressing system and method
US5459495A (en) * 1992-05-14 1995-10-17 In Focus Systems, Inc. Gray level addressing for LCDs
JP2847331B2 (ja) * 1991-04-23 1999-01-20 キヤノン株式会社 液晶表示装置
DE69220173T2 (de) * 1991-10-07 1997-09-18 Fujitsu Ltd Verfahren zum Steuern eines oberflächenstabilisierten ferroelektrischen Flüssigkristallanzeigeelements zur Erhöhung der Graupegelzahl
US5861869A (en) * 1992-05-14 1999-01-19 In Focus Systems, Inc. Gray level addressing for LCDs
US5495352A (en) * 1992-07-30 1996-02-27 Canon Kabushiki Kaisha Liquid crystal display device with stripe-shaped unevennesses on the electrodes
JP3307997B2 (ja) * 1992-10-13 2002-07-29 富士通株式会社 表示装置
US5446570A (en) * 1993-04-27 1995-08-29 Canon Kabushiki Kaisha Liquid crystal display with projecting portions on the electrodes
US5592190A (en) * 1993-04-28 1997-01-07 Canon Kabushiki Kaisha Liquid crystal display apparatus and drive method
GB9324710D0 (en) * 1993-12-02 1994-01-19 Central Research Lab Ltd Analogue greyscale addressing
US5572344A (en) * 1995-01-03 1996-11-05 Xerox Corporation Pixel elements having resistive divider elements
JPH09179100A (ja) * 1995-12-27 1997-07-11 Sharp Corp 液晶表示素子
US6072555A (en) * 1996-02-01 2000-06-06 Canon Kabushiki Kaisha Display apparatus capable of gradational display
KR100687147B1 (ko) * 2002-07-12 2007-02-27 샤프 가부시키가이샤 능동 소자 기판, 능동 소자 기판의 제조 방법, 능동 기능 소자, 다색 표시 장치, 및 표시 모듈
JP4854182B2 (ja) * 2004-04-16 2012-01-18 三洋電機株式会社 表示装置
US20070284398A1 (en) * 2006-06-12 2007-12-13 Baughman Gary M Container closure assembly with extendable spout and tamper-evident portion
DE102011003639A1 (de) * 2010-11-11 2012-05-16 Aeg Gesellschaft für Moderne Informationssysteme mbH Flüssigkristallanzeige

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5846454Y2 (ja) * 1977-11-10 1983-10-22 シャープ株式会社 液晶表示装置の電極構造
JPS54152998A (en) * 1978-05-24 1979-12-01 Seiko Epson Corp Matrix electrode structure
FR2462755A1 (fr) * 1979-07-27 1981-02-13 Thomson Csf Dispositif de visualisation a cristal liquide, et terminal telephonique comportant un tel dispositif
US4367924A (en) * 1980-01-08 1983-01-11 Clark Noel A Chiral smectic C or H liquid crystal electro-optical device
US4384763A (en) * 1980-08-26 1983-05-24 Rca Corporation Double layer liquid crystal device for a dot matrix display
JPH0629919B2 (ja) * 1982-04-16 1994-04-20 株式会社日立製作所 液晶素子の駆動方法
EP0106386A3 (de) * 1982-09-23 1985-03-13 BBC Brown Boveri AG Verfahren zur Ansteuerung einer multiplexierbaren, bistabilen Flüssigkristallanzeige
JPS6015624A (ja) * 1983-07-08 1985-01-26 Hitachi Ltd 液晶プリンタの駆動方法

Also Published As

Publication number Publication date
DE3685632T2 (de) 1993-01-21
DE3685632D1 (de) 1992-07-16
EP0224243A3 (en) 1987-08-19
EP0224243B1 (en) 1992-06-10
EP0224243A2 (en) 1987-06-03
US4818078A (en) 1989-04-04

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