FR2503880A1 - Valve optique a cristal liquide commandee par effet photoconducteur - Google Patents
Valve optique a cristal liquide commandee par effet photoconducteur Download PDFInfo
- Publication number
- FR2503880A1 FR2503880A1 FR8107206A FR8107206A FR2503880A1 FR 2503880 A1 FR2503880 A1 FR 2503880A1 FR 8107206 A FR8107206 A FR 8107206A FR 8107206 A FR8107206 A FR 8107206A FR 2503880 A1 FR2503880 A1 FR 2503880A1
- Authority
- FR
- France
- Prior art keywords
- optical valve
- valve according
- liquid crystal
- voltage
- radiation
- 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.)
- Granted
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 41
- 230000003287 optical effect Effects 0.000 title claims description 28
- 230000000694 effects Effects 0.000 title claims description 13
- 239000000463 material Substances 0.000 claims description 39
- 230000005855 radiation Effects 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 6
- 230000010287 polarization Effects 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 claims description 4
- 229910052797 bismuth Inorganic materials 0.000 claims description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 3
- 230000003098 cholesteric effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 230000003595 spectral effect Effects 0.000 claims 4
- 229910000416 bismuth oxide Inorganic materials 0.000 claims 1
- 239000004020 conductor Substances 0.000 claims 1
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 claims 1
- 229910052732 germanium Inorganic materials 0.000 claims 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims 1
- 231100000289 photo-effect Toxicity 0.000 claims 1
- 238000012546 transfer Methods 0.000 abstract description 2
- 210000004027 cell Anatomy 0.000 description 19
- 238000005286 illumination Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- WZFUQSJFWNHZHM-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC(=O)N1CC2=C(CC1)NN=N2 WZFUQSJFWNHZHM-UHFFFAOYSA-N 0.000 description 1
- BAWFJGJZGIEFAR-NNYOXOHSSA-N NAD zwitterion Chemical compound NC(=O)C1=CC=C[N+]([C@H]2[C@@H]([C@H](O)[C@@H](COP([O-])(=O)OP(O)(=O)OC[C@@H]3[C@H]([C@@H](O)[C@@H](O3)N3C4=NC=NC(N)=C4N=C3)O)O2)O)=C1 BAWFJGJZGIEFAR-NNYOXOHSSA-N 0.000 description 1
- 239000004988 Nematic liquid crystal Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000004990 Smectic liquid crystal Substances 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 210000002858 crystal cell Anatomy 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009304 pastoral farming Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
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
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)
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8107206A FR2503880A1 (fr) | 1981-04-10 | 1981-04-10 | Valve optique a cristal liquide commandee par effet photoconducteur |
| DE8282400581T DE3266757D1 (en) | 1981-04-10 | 1982-03-30 | Method of driving a display device |
| EP82400581A EP0063077B1 (fr) | 1981-04-10 | 1982-03-30 | Procédé de commande d'un dispositif de visualisation |
| JP57060266A JPS57180055A (en) | 1981-04-10 | 1982-04-09 | Optical electron tube using liquid crystal |
| US06/367,014 US4483592A (en) | 1981-04-10 | 1982-04-09 | Liquid crystal optical valve controlled by photoconducting effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8107206A FR2503880A1 (fr) | 1981-04-10 | 1981-04-10 | Valve optique a cristal liquide commandee par effet photoconducteur |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2503880A1 true FR2503880A1 (fr) | 1982-10-15 |
| FR2503880B1 FR2503880B1 (OSRAM) | 1985-03-15 |
Family
ID=9257238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8107206A Granted FR2503880A1 (fr) | 1981-04-10 | 1981-04-10 | Valve optique a cristal liquide commandee par effet photoconducteur |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4483592A (OSRAM) |
| EP (1) | EP0063077B1 (OSRAM) |
| JP (1) | JPS57180055A (OSRAM) |
| DE (1) | DE3266757D1 (OSRAM) |
| FR (1) | FR2503880A1 (OSRAM) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4533215A (en) * | 1982-12-02 | 1985-08-06 | The United States Of America As Represented By The Secretary Of The Navy | Real-time ultra-high resolution image projection display using laser-addressed liquid crystal light valve |
| DE68919249T2 (de) * | 1988-03-23 | 1995-03-23 | Seiko Instr Inc | Optisch geschaltete ferroelektrische Flüssigkeitskristallichtabsperrvorrichtung. |
| JPH0617819B2 (ja) * | 1988-05-13 | 1994-03-09 | 浜松ホトニクス株式会社 | 電気光学式ストリークカメラ |
| JPH02178612A (ja) * | 1988-12-28 | 1990-07-11 | Victor Co Of Japan Ltd | 光変調方法及び装置 |
| FR2696014B1 (fr) * | 1992-09-18 | 1994-11-04 | Thomson Csf | Miroir à conjugaison de phase. |
| FR2755516B1 (fr) | 1996-11-05 | 1999-01-22 | Thomson Csf | Dispositif compact d'illumination |
| FR2819061B1 (fr) * | 2000-12-28 | 2003-04-11 | Thomson Csf | Dispositif de controle de polarisation dans une liaison optique |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3960439A (en) * | 1974-09-16 | 1976-06-01 | Xerox Corporation | Texture transformations in optically negative liquid crystals |
| US4037932A (en) * | 1976-05-03 | 1977-07-26 | Xerox Corporation | Electrooptic-photoconductor sandwich using actinic readout light |
| FR2404271A1 (fr) * | 1977-09-23 | 1979-04-20 | Thomson Csf | Dispositif de visualisation comportant une couche mince de cristal liquide accolee a une lame photoconductrice |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3592527A (en) * | 1969-11-12 | 1971-07-13 | Gary H Conners | Image display device |
| US3732429A (en) * | 1971-11-12 | 1973-05-08 | Hughes Aircraft Co | Liquid crystal device |
| US3824002A (en) * | 1972-12-04 | 1974-07-16 | Hughes Aircraft Co | Alternating current liquid crystal light value |
-
1981
- 1981-04-10 FR FR8107206A patent/FR2503880A1/fr active Granted
-
1982
- 1982-03-30 EP EP82400581A patent/EP0063077B1/fr not_active Expired
- 1982-03-30 DE DE8282400581T patent/DE3266757D1/de not_active Expired
- 1982-04-09 JP JP57060266A patent/JPS57180055A/ja active Pending
- 1982-04-09 US US06/367,014 patent/US4483592A/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3960439A (en) * | 1974-09-16 | 1976-06-01 | Xerox Corporation | Texture transformations in optically negative liquid crystals |
| US4037932A (en) * | 1976-05-03 | 1977-07-26 | Xerox Corporation | Electrooptic-photoconductor sandwich using actinic readout light |
| FR2404271A1 (fr) * | 1977-09-23 | 1979-04-20 | Thomson Csf | Dispositif de visualisation comportant une couche mince de cristal liquide accolee a une lame photoconductrice |
| GB2005857A (en) * | 1977-09-23 | 1979-04-25 | Thomson Csf | Liquid-crystal image converter device |
Also Published As
| Publication number | Publication date |
|---|---|
| US4483592A (en) | 1984-11-20 |
| FR2503880B1 (OSRAM) | 1985-03-15 |
| EP0063077A1 (fr) | 1982-10-20 |
| DE3266757D1 (en) | 1985-11-14 |
| JPS57180055A (en) | 1982-11-05 |
| EP0063077B1 (fr) | 1985-10-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CL | Concession to grant licences | ||
| ST | Notification of lapse |