FR2173807A1 - - Google Patents
Info
- Publication number
- FR2173807A1 FR2173807A1 FR7207437A FR7207437A FR2173807A1 FR 2173807 A1 FR2173807 A1 FR 2173807A1 FR 7207437 A FR7207437 A FR 7207437A FR 7207437 A FR7207437 A FR 7207437A FR 2173807 A1 FR2173807 A1 FR 2173807A1
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1828—Diffraction gratings having means for producing variable diffraction
-
- 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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal 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
- G02F1/01—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
- G02F1/13743—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 electrohydrodynamic instabilities or domain formation in liquid crystals
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7207437A FR2173807B1 (nl) | 1972-03-03 | 1972-03-03 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7207437A FR2173807B1 (nl) | 1972-03-03 | 1972-03-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2173807A1 true FR2173807A1 (nl) | 1973-10-12 |
FR2173807B1 FR2173807B1 (nl) | 1974-08-02 |
Family
ID=9094565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7207437A Expired FR2173807B1 (nl) | 1972-03-03 | 1972-03-03 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2173807B1 (nl) |
-
1972
- 1972-03-03 FR FR7207437A patent/FR2173807B1/fr not_active Expired
Non-Patent Citations (6)
Title |
---|
-ADRESSED LIQUID-CRYSTAL LIGHT VALVES'. * |
ARTICLE DE P.J. WILD ET J. NEHRING : TURN-ON TIME REDUCTION AND CONTRAST ENHANCEMENT IN MATRIX * |
LIQUIDES'.) * |
N. 3438, NOVEMBRE 1971, ARTICLE DE E.DUBOIS-VIOLETTE ET O.PARODI : 'CES CRISTAUX QUE L ON DIT * |
REVUE AMERICAINE 'APPLIED PHYSICS LETTERS', VOL. 19, N. 9, 1 NOVEMBRE 1971, PAGES 335-336 * |
REVUE FRANCAISE 'SCIENCE-PROGRES-DECOUVERTE', VOL. 99, * |
Also Published As
Publication number | Publication date |
---|---|
FR2173807B1 (nl) | 1974-08-02 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |