BE770676A - Ecran d'affichage a couche cristalline liquide et procede pour sa fabrication - Google Patents
Ecran d'affichage a couche cristalline liquide et procede pour sa fabricationInfo
- Publication number
- BE770676A BE770676A BE770676A BE770676A BE770676A BE 770676 A BE770676 A BE 770676A BE 770676 A BE770676 A BE 770676A BE 770676 A BE770676 A BE 770676A BE 770676 A BE770676 A BE 770676A
- Authority
- BE
- Belgium
- Prior art keywords
- manufacturing
- display screen
- liquid crystalline
- crystalline layer
- layer display
- Prior art date
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
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 |
---|---|
BE770676A true BE770676A (fr) | 1972-01-31 |
Family
ID=5778275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE770676A BE770676A (fr) | 1970-07-29 | 1971-07-29 | Ecran d'affichage a couche cristalline liquide et procede pour sa fabrication |
Country Status (9)
Country | Link |
---|---|
US (1) | US3725899A (xx) |
BE (1) | BE770676A (xx) |
CH (1) | CH532303A (xx) |
DE (1) | DE2037676B2 (xx) |
FR (1) | FR2099366A5 (xx) |
GB (1) | GB1326685A (xx) |
LU (1) | LU63620A1 (xx) |
NL (1) | NL7110199A (xx) |
SE (1) | SE372125B (xx) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5327938B2 (xx) * | 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 (xx) * | 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 |
DE3850949T2 (de) * | 1987-12-23 | 1995-01-05 | Seiko Epson Corp | Elektrooptische Flüssigkristallanzeigevorrichtung mit aktiver Matrix und deren Ansteuerungsmethode. |
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 |
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 |
EP0636917B1 (en) * | 1993-07-27 | 1998-09-30 | Sharp Kabushiki Kaisha | Liquid crystal display |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3258644A (en) * | 1966-06-28 | Light emitting display panels | ||
BE548183A (xx) * | 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 |
-
1970
- 1970-07-29 DE DE19702037676 patent/DE2037676B2/de not_active Withdrawn
- 1970-10-21 US US00082642A patent/US3725899A/en not_active Expired - Lifetime
-
1971
- 1971-05-20 GB GB1594971*[A patent/GB1326685A/en not_active Expired
- 1971-06-15 CH CH867971A patent/CH532303A/de not_active IP Right Cessation
- 1971-07-23 NL NL7110199A patent/NL7110199A/xx unknown
- 1971-07-27 LU LU63620D patent/LU63620A1/xx unknown
- 1971-07-28 SE SE7109678A patent/SE372125B/xx unknown
- 1971-07-29 FR FR7127827A patent/FR2099366A5/fr not_active Expired
- 1971-07-29 BE BE770676A patent/BE770676A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
SE372125B (xx) | 1974-12-09 |
LU63620A1 (xx) | 1972-04-04 |
DE2037676B2 (de) | 1973-04-12 |
US3725899A (en) | 1973-04-03 |
DE2037676A1 (de) | 1972-02-10 |
GB1326685A (en) | 1973-08-15 |
FR2099366A5 (xx) | 1972-03-10 |
CH532303A (de) | 1972-12-31 |
NL7110199A (xx) | 1972-02-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE770676A (fr) | Ecran d'affichage a couche cristalline liquide et procede pour sa fabrication | |
BE844165A (fr) | Nouveau produit notamment photographique a couche antistatique et procede pour sa preparation | |
BE790946A (fr) | Filtres garnis de cadres et procede de fabrication | |
RO63283A (fr) | Procede pour l'evaporation d'un liquide | |
BE777741A (fr) | Fermeture a glissiere et procede pour sa fabrication | |
BE783776A (fr) | Procede et dispositif pour la reduction de l'epaisseur de bandes de tole dans une ligne de production continue | |
BE791930A (fr) | Dispositif electroluminescent et procede pour sa fabrication | |
BE761616A (fr) | Element d'assemblage autofileteur et procede pour sa fabrication | |
BE793537A (fr) | Ecran absorbant les radiations et procede pour sa fabrication | |
BE824592A (fr) | Materiau structural et procede pour sa fabrication | |
BE844027A (fr) | Composition adhesive applicable par extrusion en couche adhesive sur un support et procede pour sa fabrication | |
BE767380A (fr) | Procede et appareil pour la fabrication d'un vitrage isolant | |
BE791618A (fr) | Support d'enregistrement a couche magnetique et procede pour safabrication | |
BE795368A (fr) | Panneau de facade et procede pour sa fabrication | |
FR2003697A1 (fr) | Procede pour favoriser l'adhesivite entre une pellicule et une couche support | |
BE796223A (fr) | Ecran d'affichage a couche de cristal liquide et procede pour sa fabrication | |
BE774259A (fr) | Procede de fabrication d'un revetateur liquide | |
BE785860A (fr) | Electrode a filament et procede pour la fabrication de celle-ci | |
BE762838A (fr) | Procede et dispositif pour la fabrication de ronds a beton, | |
BE757820A (fr) | Procede et appareil pour la production d'un ruban de verre | |
IT962563B (it) | Metodo ed apparecchiatura per il contenimentolaterale del nastro di vetro fuso negli impianti per la fabbricazione di lastre di vetro col processo a galleggiamento | |
RO68218A (ro) | Procedeu pentru realizarea penicilinacilazei cristalina pura | |
BE779425A (fr) | Procede et equipement pour la fabrication en continu d'elementsde construction a base de platre | |
BE798811A (fr) | Esters basiques et procede pour leur fabrication | |
BE806886A (fr) | Procede et dispositif pour la fabrication d'un vitrage feuillete |