LU63620A1 - - Google Patents
Info
- Publication number
- LU63620A1 LU63620A1 LU63620DA LU63620A1 LU 63620 A1 LU63620 A1 LU 63620A1 LU 63620D A LU63620D A LU 63620DA LU 63620 A1 LU63620 A1 LU 63620A1
- Authority
- LU
- Luxembourg
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)
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 |
|---|---|
| LU63620A1 true LU63620A1 (https=) | 1972-04-04 |
Family
ID=5778275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU63620D LU63620A1 (https=) | 1970-07-29 | 1971-07-27 |
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)
| 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)
| 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 |
-
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 |
|---|---|
| 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 |
| GB1326685A (en) | 1973-08-15 |
| US3725899A (en) | 1973-04-03 |
| CH532303A (de) | 1972-12-31 |
| DE2037676A1 (de) | 1972-02-10 |