GB1604206A - Ac driven liquid crystal light valve - Google Patents
Ac driven liquid crystal light valve Download PDFInfo
- Publication number
- GB1604206A GB1604206A GB2161978A GB2161978A GB1604206A GB 1604206 A GB1604206 A GB 1604206A GB 2161978 A GB2161978 A GB 2161978A GB 2161978 A GB2161978 A GB 2161978A GB 1604206 A GB1604206 A GB 1604206A
- Authority
- GB
- United Kingdom
- Prior art keywords
- liquid crystal
- layer
- light valve
- sio2
- microgrid
- 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
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 57
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 70
- 239000000758 substrate Substances 0.000 claims description 42
- 239000000377 silicon dioxide Substances 0.000 claims description 35
- 235000012239 silicon dioxide Nutrition 0.000 claims description 35
- 239000004065 semiconductor Substances 0.000 claims description 29
- 229910052710 silicon Inorganic materials 0.000 claims description 27
- 239000010703 silicon Substances 0.000 claims description 27
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 26
- 239000002800 charge carrier Substances 0.000 claims description 16
- 238000009826 distribution Methods 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 7
- 239000000969 carrier Substances 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 claims description 5
- 238000009792 diffusion process Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 230000003213 activating effect Effects 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000005468 ion implantation Methods 0.000 claims description 3
- 229910008062 Si-SiO2 Inorganic materials 0.000 claims description 2
- 229910006403 Si—SiO2 Inorganic materials 0.000 claims description 2
- 238000009825 accumulation Methods 0.000 claims description 2
- 239000002019 doping agent Substances 0.000 claims description 2
- 230000005684 electric field Effects 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims description 2
- 229910052681 coesite Inorganic materials 0.000 claims 10
- 229910052906 cristobalite Inorganic materials 0.000 claims 10
- 229910052682 stishovite Inorganic materials 0.000 claims 10
- 229910052905 tridymite Inorganic materials 0.000 claims 10
- 239000010410 layer Substances 0.000 description 78
- 230000003287 optical effect Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 210000004027 cell Anatomy 0.000 description 5
- 239000011195 cermet Substances 0.000 description 5
- 239000010408 film Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 229910004613 CdTe Inorganic materials 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 239000013528 metallic particle Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 239000004988 Nematic liquid crystal Substances 0.000 description 1
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052796 boron Inorganic materials 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
- 239000013078 crystal Substances 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000036211 photosensitivity Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 210000000635 valve cell Anatomy 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136277—Active matrix addressed cells formed on a semiconductor substrate, e.g. of silicon
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Light Receiving Elements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US80822477A | 1977-06-20 | 1977-06-20 | |
| US83485677A | 1977-09-19 | 1977-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1604206A true GB1604206A (en) | 1981-12-02 |
Family
ID=27123098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2161978A Expired GB1604206A (en) | 1977-06-20 | 1978-05-23 | Ac driven liquid crystal light valve |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5820415B2 (enrdf_load_stackoverflow) |
| DE (1) | DE2826195C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2395524A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1604206A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2152691A (en) * | 1983-08-12 | 1985-08-07 | Standard Telephones Cables Ltd | Infra-red detector |
| GB2153129A (en) * | 1984-01-06 | 1985-08-14 | Canon Kk | Liquid crystal display devices |
| GB2184880A (en) * | 1985-12-19 | 1987-07-01 | John Henry Turner | Display devices |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3434388A1 (de) * | 1984-09-19 | 1986-06-26 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Verfahren zur erzeugung der ersten ableitung eines zweidimensionalen bildes und optisches bauelement zur durchfuehrung des verfahrens |
| FR2599171B1 (fr) * | 1986-05-20 | 1989-12-08 | Thomson Csf | Ecran de visualisation electrooptique et procede de realisation |
| JPH037210U (enrdf_load_stackoverflow) * | 1989-06-08 | 1991-01-24 | ||
| US5220445A (en) * | 1990-01-26 | 1993-06-15 | Victor Company Of Japan, Ltd. | Optical image processor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS535512B1 (enrdf_load_stackoverflow) * | 1969-09-22 | 1978-02-28 | ||
| US3976361A (en) * | 1974-11-18 | 1976-08-24 | Hughes Aircraft Company | Charge storage diode with graded defect density photocapacitive layer |
| US4032954A (en) * | 1976-06-01 | 1977-06-28 | Hughes Aircraft Company | Silicon single crystal charge storage diode |
| US4093357A (en) * | 1977-04-05 | 1978-06-06 | Hughes Aircraft Company | Cermet interface for electro-optical devices |
| IL54544A0 (en) * | 1977-05-02 | 1978-07-31 | Hughes Aircraft Co | Liquid crystal light valve |
-
1978
- 1978-05-23 GB GB2161978A patent/GB1604206A/en not_active Expired
- 1978-06-14 FR FR7817796A patent/FR2395524A1/fr active Granted
- 1978-06-15 DE DE19782826195 patent/DE2826195C2/de not_active Expired
- 1978-06-20 JP JP53074810A patent/JPS5820415B2/ja not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2152691A (en) * | 1983-08-12 | 1985-08-07 | Standard Telephones Cables Ltd | Infra-red detector |
| GB2153129A (en) * | 1984-01-06 | 1985-08-14 | Canon Kk | Liquid crystal display devices |
| GB2184880A (en) * | 1985-12-19 | 1987-07-01 | John Henry Turner | Display devices |
| GB2184880B (en) * | 1985-12-19 | 1990-08-22 | John Henry Turner | A solid state tv screen utilising thin film electrodes |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2395524A1 (fr) | 1979-01-19 |
| FR2395524B1 (enrdf_load_stackoverflow) | 1983-04-01 |
| DE2826195C2 (de) | 1986-09-18 |
| JPS5820415B2 (ja) | 1983-04-22 |
| JPS5417867A (en) | 1979-02-09 |
| DE2826195A1 (de) | 1978-12-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19950523 |