FR2471641B1 - - Google Patents
Info
- Publication number
- FR2471641B1 FR2471641B1 FR8025969A FR8025969A FR2471641B1 FR 2471641 B1 FR2471641 B1 FR 2471641B1 FR 8025969 A FR8025969 A FR 8025969A FR 8025969 A FR8025969 A FR 8025969A FR 2471641 B1 FR2471641 B1 FR 2471641B1
- Authority
- FR
- France
- Prior art keywords
- polarization
- molecules
- orientation
- layer
- parallel
- 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
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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
- G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-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
- G02F1/01—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
- G02F1/1396—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 liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
-
- 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
- G02F2203/00—Function characteristic
- G02F2203/01—Function characteristic transmissive
-
- 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
- G02F2203/00—Function characteristic
- G02F2203/02—Function characteristic reflective
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)
- Cookers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1096279A CH636491B (fr) | 1979-12-11 | 1979-12-11 | Dispositif d'affichage a cristal liquide. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2471641A1 FR2471641A1 (fr) | 1981-06-19 |
FR2471641B1 true FR2471641B1 (fr) | 1982-12-10 |
Family
ID=4368635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8025969A Granted FR2471641A1 (fr) | 1979-12-11 | 1980-12-05 | Dispositif d'affichage a cristal liquide |
Country Status (6)
Country | Link |
---|---|
US (1) | US4423928A (fr) |
JP (1) | JPS5694328A (fr) |
CH (1) | CH636491B (fr) |
DE (1) | DE3046356C2 (fr) |
FR (1) | FR2471641A1 (fr) |
GB (1) | GB2065322B (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1268271A (fr) * | 1987-11-06 | 1990-04-24 | David M. Makow | Afficheurs et indicateurs electro-optiques a animation |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1046618A (fr) * | 1972-11-13 | 1979-01-16 | John L. Janning | Dispositif d'affichage a cristal liquide |
JPS53101296A (en) * | 1977-02-16 | 1978-09-04 | Seiko Epson Corp | Display unit |
-
1979
- 1979-12-11 CH CH1096279A patent/CH636491B/fr unknown
-
1980
- 1980-12-03 US US06/212,353 patent/US4423928A/en not_active Expired - Lifetime
- 1980-12-05 FR FR8025969A patent/FR2471641A1/fr active Granted
- 1980-12-09 DE DE3046356A patent/DE3046356C2/de not_active Expired
- 1980-12-09 GB GB8039462A patent/GB2065322B/en not_active Expired
- 1980-12-11 JP JP17389780A patent/JPS5694328A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
CH636491B (fr) | |
DE3046356A1 (de) | 1981-08-27 |
JPS5694328A (en) | 1981-07-30 |
GB2065322B (en) | 1983-07-06 |
CH636491GA3 (fr) | 1983-06-15 |
FR2471641A1 (fr) | 1981-06-19 |
GB2065322A (en) | 1981-06-24 |
DE3046356C2 (de) | 1987-01-15 |
US4423928A (en) | 1984-01-03 |
JPH0151817B2 (fr) | 1989-11-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |