BR7307361D0 - Processo de operacao para a apresentacao de imagens e dispositivo eletro-otico para a apresentacao de imagens - Google Patents
Processo de operacao para a apresentacao de imagens e dispositivo eletro-otico para a apresentacao de imagensInfo
- Publication number
- BR7307361D0 BR7307361D0 BR7361/73A BR736173A BR7307361D0 BR 7307361 D0 BR7307361 D0 BR 7307361D0 BR 7361/73 A BR7361/73 A BR 7361/73A BR 736173 A BR736173 A BR 736173A BR 7307361 D0 BR7307361 D0 BR 7307361D0
- Authority
- BR
- Brazil
- Prior art keywords
- presentation
- images
- electro
- optical device
- operation process
- Prior art date
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
- G02F1/01—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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT52916/72A IT965475B (it) | 1972-09-22 | 1972-09-22 | Perfezionamento negli schermi per la presentazione di immagini del tipo a cristalli liquidi adatti in particolare per immagini televisive e o dati alfanumerici |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7307361D0 true BR7307361D0 (pt) | 1974-08-29 |
Family
ID=11278489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR7361/73A BR7307361D0 (pt) | 1972-09-22 | 1973-09-21 | Processo de operacao para a apresentacao de imagens e dispositivo eletro-otico para a apresentacao de imagens |
Country Status (14)
| Country | Link |
|---|---|
| JP (1) | JPS4971952A (pt) |
| AR (1) | AR206687A1 (pt) |
| AU (1) | AU6048773A (pt) |
| BE (1) | BE805180A (pt) |
| BR (1) | BR7307361D0 (pt) |
| CA (1) | CA1003528A (pt) |
| CH (1) | CH577181A5 (pt) |
| DE (1) | DE2346732A1 (pt) |
| ES (1) | ES418985A1 (pt) |
| FR (1) | FR2201005A5 (pt) |
| GB (1) | GB1451076A (pt) |
| IL (1) | IL43290A (pt) |
| IT (1) | IT965475B (pt) |
| NL (1) | NL7313049A (pt) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2292253A1 (fr) * | 1974-11-21 | 1976-06-18 | Thomson Csf | Procede et dispositif utilisant un effet thermo-optique dans un cristal liquide pour la reproduction d'images en temps reel et sans memoire |
| JPS5164899A (ja) * | 1974-12-03 | 1976-06-04 | Nippon Electric Co | Ekishohyojisochi |
| US4006968A (en) * | 1975-05-02 | 1977-02-08 | Hughes Aircraft Company | Liquid crystal dot color display |
| FR2389955B1 (pt) * | 1977-05-05 | 1981-12-04 | Thomson Csf | |
| DE3169810D1 (en) * | 1980-07-28 | 1985-05-15 | Bbc Brown Boveri & Cie | Homeotropic nematic display with an internal reflector |
| CH661361A5 (en) * | 1983-12-16 | 1987-07-15 | Bbc Brown Boveri & Cie | Multiplexable liquid-crystal display |
| JPS62203126A (ja) * | 1986-03-04 | 1987-09-07 | Matsushita Electric Ind Co Ltd | 表示装置 |
| JP2586195B2 (ja) * | 1990-08-30 | 1997-02-26 | セイコーエプソン株式会社 | 液晶表示装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3655269A (en) * | 1971-01-25 | 1972-04-11 | Rca Corp | Liquid crystal display assembly having independent contrast and speed of response controls |
-
1972
- 1972-09-22 IT IT52916/72A patent/IT965475B/it active
-
1973
- 1973-01-01 AR AR250203A patent/AR206687A1/es active
- 1973-09-17 DE DE19732346732 patent/DE2346732A1/de not_active Withdrawn
- 1973-09-18 GB GB4383573A patent/GB1451076A/en not_active Expired
- 1973-09-20 CH CH1353973A patent/CH577181A5/xx not_active IP Right Cessation
- 1973-09-20 AU AU60487/73A patent/AU6048773A/en not_active Expired
- 1973-09-20 CA CA181,504A patent/CA1003528A/en not_active Expired
- 1973-09-21 NL NL7313049A patent/NL7313049A/xx unknown
- 1973-09-21 BE BE135928A patent/BE805180A/xx not_active IP Right Cessation
- 1973-09-21 ES ES418985A patent/ES418985A1/es not_active Expired
- 1973-09-21 BR BR7361/73A patent/BR7307361D0/pt unknown
- 1973-09-21 FR FR7334036A patent/FR2201005A5/fr not_active Expired
- 1973-09-21 IL IL43290A patent/IL43290A/en unknown
- 1973-09-22 JP JP48107406A patent/JPS4971952A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AR206687A1 (es) | 1976-08-13 |
| NL7313049A (pt) | 1974-03-26 |
| GB1451076A (en) | 1976-09-29 |
| AU6048773A (en) | 1975-03-20 |
| IL43290A0 (en) | 1973-11-28 |
| BE805180A (fr) | 1974-01-16 |
| CA1003528A (en) | 1977-01-11 |
| JPS4971952A (pt) | 1974-07-11 |
| DE2346732A1 (de) | 1974-04-04 |
| CH577181A5 (pt) | 1976-06-30 |
| FR2201005A5 (pt) | 1974-04-19 |
| IT965475B (it) | 1974-01-31 |
| IL43290A (en) | 1976-12-31 |
| ES418985A1 (es) | 1976-03-01 |
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