FR2263569B1 - - Google Patents
Info
- Publication number
- FR2263569B1 FR2263569B1 FR7407645A FR7407645A FR2263569B1 FR 2263569 B1 FR2263569 B1 FR 2263569B1 FR 7407645 A FR7407645 A FR 7407645A FR 7407645 A FR7407645 A FR 7407645A FR 2263569 B1 FR2263569 B1 FR 2263569B1
- Authority
- FR
- France
- 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
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
- G02F1/137—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
- G02F1/1393—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 the birefringence of the liquid crystal being electrically controlled, e.g. ECB-, DAP-, HAN-, PI-LC cells
-
- 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
- G02F1/29—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 position or the direction of light beams, i.e. deflection
- G02F1/31—Digital deflection, i.e. optical switching
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7407645A FR2263569A1 (en) | 1974-03-06 | 1974-03-06 | Character display apparatus with two electrode systems - has light beam directed at one of two fluid-crystal cell walls |
CH253375A CH591095A5 (enrdf_load_stackoverflow) | 1974-03-06 | 1975-02-28 | |
DE19752509867 DE2509867A1 (de) | 1974-03-06 | 1975-03-06 | Vorrichtung zur schaustellung von zeichen |
JP50027585A JPS50155193A (enrdf_load_stackoverflow) | 1974-03-06 | 1975-03-06 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7407645A FR2263569A1 (en) | 1974-03-06 | 1974-03-06 | Character display apparatus with two electrode systems - has light beam directed at one of two fluid-crystal cell walls |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2263569A1 FR2263569A1 (en) | 1975-10-03 |
FR2263569B1 true FR2263569B1 (enrdf_load_stackoverflow) | 1977-09-23 |
Family
ID=9135934
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7407645A Granted FR2263569A1 (en) | 1974-03-06 | 1974-03-06 | Character display apparatus with two electrode systems - has light beam directed at one of two fluid-crystal cell walls |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS50155193A (enrdf_load_stackoverflow) |
CH (1) | CH591095A5 (enrdf_load_stackoverflow) |
DE (1) | DE2509867A1 (enrdf_load_stackoverflow) |
FR (1) | FR2263569A1 (enrdf_load_stackoverflow) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2350621A1 (fr) * | 1976-05-04 | 1977-12-02 | Itt | Cellule de cristaux liquides a l'etat nematique |
JPS5855485B2 (ja) * | 1979-02-21 | 1983-12-09 | スペリ− コ−ポレ−シヨン | 液晶スイツチングマトリクス |
EP0023741A1 (en) * | 1979-08-02 | 1981-02-11 | Koninklijke Philips Electronics N.V. | Electrophoretic image display device |
US5018835A (en) * | 1989-01-03 | 1991-05-28 | Raytheon Company | Deflector for an optical beam including refractive means |
-
1974
- 1974-03-06 FR FR7407645A patent/FR2263569A1/fr active Granted
-
1975
- 1975-02-28 CH CH253375A patent/CH591095A5/xx not_active IP Right Cessation
- 1975-03-06 DE DE19752509867 patent/DE2509867A1/de active Pending
- 1975-03-06 JP JP50027585A patent/JPS50155193A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CH591095A5 (enrdf_load_stackoverflow) | 1977-09-15 |
FR2263569A1 (en) | 1975-10-03 |
JPS50155193A (enrdf_load_stackoverflow) | 1975-12-15 |
DE2509867A1 (de) | 1975-09-11 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |