GB1326685A - Data indicator screens - Google Patents

Data indicator screens

Info

Publication number
GB1326685A
GB1326685A GB1594971*[A GB1594971A GB1326685A GB 1326685 A GB1326685 A GB 1326685A GB 1594971 A GB1594971 A GB 1594971A GB 1326685 A GB1326685 A GB 1326685A
Authority
GB
United Kingdom
Prior art keywords
layer
electrodes
electrode
elements
capacitance
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
Application number
GB1594971*[A
Other languages
English (en)
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.)
Siemens Corp
Original Assignee
Siemens 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 Siemens Corp filed Critical Siemens Corp
Publication of GB1326685A publication Critical patent/GB1326685A/en
Expired 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/135—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
    • G02F1/1358—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied the supplementary layer being a ferro-electric layer

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
GB1594971*[A 1970-07-29 1971-05-20 Data indicator screens Expired GB1326685A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702037676 DE2037676B2 (de) 1970-07-29 1970-07-29 Anzeigeschirm mit einer fluessigkeristallschicht sowie verfahren zu dessen herstellung

Publications (1)

Publication Number Publication Date
GB1326685A true GB1326685A (en) 1973-08-15

Family

ID=5778275

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1594971*[A Expired GB1326685A (en) 1970-07-29 1971-05-20 Data indicator screens

Country Status (9)

Country Link
US (1) US3725899A (https=)
BE (1) BE770676A (https=)
CH (1) CH532303A (https=)
DE (1) DE2037676B2 (https=)
FR (1) FR2099366A5 (https=)
GB (1) GB1326685A (https=)
LU (1) LU63620A1 (https=)
NL (1) NL7110199A (https=)
SE (1) SE372125B (https=)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5327938B2 (https=) * 1971-12-17 1978-08-11
US3794405A (en) * 1972-02-10 1974-02-26 J Masi Liquid crystal cell and method for its manufacture
US3891981A (en) * 1973-02-20 1975-06-24 Olivetti & Co Spa Drive circuit for a liquid crystal display
NL7303674A (https=) * 1973-03-16 1974-09-18
US3981087A (en) * 1973-10-11 1976-09-21 Sachs Thomas D Teaching machine
GB1525405A (en) * 1974-10-14 1978-09-20 Hitachi Ltd Liquid crystal display panels
US4040720A (en) * 1975-04-21 1977-08-09 Rockwell International Corporation Ferroelectric liquid crystal display
US4233603A (en) * 1978-11-16 1980-11-11 General Electric Company Multiplexed varistor-controlled liquid crystal display
JPS62124525A (ja) * 1985-11-25 1987-06-05 Semiconductor Energy Lab Co Ltd 液晶装置
JPS62159124A (ja) * 1986-01-07 1987-07-15 Semiconductor Energy Lab Co Ltd 液晶装置
EP0234429B1 (en) * 1986-02-17 1995-05-24 Sel Semiconductor Energy Laboratory Co., Ltd. Liquid crystal device with a charge strage structure
FR2599171B1 (fr) * 1986-05-20 1989-12-08 Thomson Csf Ecran de visualisation electrooptique et procede de realisation
US5016982A (en) * 1986-07-22 1991-05-21 Raychem Corporation Liquid crystal display having a capacitor for overvoltage protection
US4850680A (en) * 1986-09-19 1989-07-25 Semiconductor Energy Laboratory Co., Ltd. Liquid crystal device with a ferroelectric film
US5434811A (en) * 1987-11-19 1995-07-18 National Semiconductor Corporation Non-destructive read ferroelectric based memory circuit
US5268777A (en) * 1987-12-23 1993-12-07 Seiko Epson Corporation Driving method of active matrix display having ferroelectric layer as active layer
US5282069A (en) * 1987-12-23 1994-01-25 Seiko Epson Corporation Active device and active matrix display having ferroelectric layer as active layer
EP0321962B1 (en) * 1987-12-23 1994-08-03 Seiko Epson Corporation Active matrix liquid crystal electro-optical device and method of driving it
US5225821A (en) * 1988-12-22 1993-07-06 Seiko Epson Corporation Method for driving an active matrix display and active matrix display
US5499127A (en) * 1992-05-25 1996-03-12 Sharp Kabushiki Kaisha Liquid crystal display device having a larger gap between the substrates in the display area than in the sealant area
JP3173745B2 (ja) * 1992-07-24 2001-06-04 株式会社半導体エネルギー研究所 液晶表示装置
DE69434302T2 (de) * 1993-07-27 2005-12-29 Sharp K.K. Flüssigkristall-Anzeigevorrichtung
KR100270147B1 (ko) * 1996-03-01 2000-10-16 니시무로 타이죠 액정표시장치
US5973762A (en) * 1998-06-04 1999-10-26 Kent State University Ferroelectric liquid crystal cell with a monochevron structure of smectic layers

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3258644A (en) * 1966-06-28 Light emitting display panels
NL207561A (https=) * 1955-05-31
US2998546A (en) * 1960-01-13 1961-08-29 Westinghouse Electric Corp Display device
US3290554A (en) * 1962-12-17 1966-12-06 Edgar A Sack Electroluminescent display screen and circuit therefor
US3197744A (en) * 1963-12-04 1965-07-27 Rca Corp Ferroelectric storage circuits
US3410999A (en) * 1965-06-29 1968-11-12 Westinghouse Electric Corp Display system utilizing a liquid crystalline material of the cholesteric phase
US3440620A (en) * 1966-01-10 1969-04-22 Rca Corp Electro-optical memory
US3499704A (en) * 1967-09-14 1970-03-10 Atomic Energy Commission Ferroelectric ceramic electro-optical device
US3499702A (en) * 1967-12-05 1970-03-10 Rca Corp Nematic liquid crystal mixtures for use in a light valve
US3551689A (en) * 1969-03-21 1970-12-29 Rca Corp Alternating current driven load circuit

Also Published As

Publication number Publication date
LU63620A1 (https=) 1972-04-04
DE2037676B2 (de) 1973-04-12
SE372125B (https=) 1974-12-09
BE770676A (fr) 1972-01-31
FR2099366A5 (https=) 1972-03-10
NL7110199A (https=) 1972-02-01
US3725899A (en) 1973-04-03
CH532303A (de) 1972-12-31
DE2037676A1 (de) 1972-02-10

Similar Documents

Publication Publication Date Title
GB1326685A (en) Data indicator screens
US4233603A (en) Multiplexed varistor-controlled liquid crystal display
US3731986A (en) Display devices utilizing liquid crystal light modulation
US5636044A (en) Segmented polymer stabilized and polymer free cholesteric texture liquid crystal displays and driving method for same
US4040720A (en) Ferroelectric liquid crystal display
US4021798A (en) Liquid crystal display panel and method for driving the same
KR890001015A (ko) 표시장치
EP0366117A3 (en) Liquid crystal apparatus
JPS6116074B2 (https=)
JPS589188A (ja) 多重化液晶表示装置
US5034736A (en) Bistable display with permuted excitation
GB2147135A (en) Matrix display panel
KR960706153A (ko) 디스플레이 디바이스(Display device)
US4403834A (en) Acoustic-wave device
KR870011481A (ko) 강유전성 액정을 사용한 광스위치소자의 시분할 구동방법
US4198630A (en) Displays using thick film switches to control individual display elements
US5058996A (en) Liquid crystal display
US3786486A (en) Multiplex driving circuit
GB1390925A (en) Optical display device
US3920996A (en) Loss of power indicator
JPS6167825A (ja) 液晶セル
GB843951A (en) Improvements in memory systems
US3496662A (en) Devices having bistable color states
US4071841A (en) Dielectric matrix device
US3891981A (en) Drive circuit for a liquid crystal display

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees