FR2378326B1 - - Google Patents
Info
- Publication number
- FR2378326B1 FR2378326B1 FR7738016A FR7738016A FR2378326B1 FR 2378326 B1 FR2378326 B1 FR 2378326B1 FR 7738016 A FR7738016 A FR 7738016A FR 7738016 A FR7738016 A FR 7738016A FR 2378326 B1 FR2378326 B1 FR 2378326B1
- 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.)
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133734—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by obliquely evaporated films, e.g. Si or SiO2 films
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Spectroscopy & Molecular Physics (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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH71677A CH611043A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-01-21 | 1977-01-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2378326A1 FR2378326A1 (fr) | 1978-08-18 |
| FR2378326B1 true FR2378326B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-04-30 |
Family
ID=4193499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7738016A Granted FR2378326A1 (fr) | 1977-01-21 | 1977-12-16 | Procede de fabrication d'une cellule d'affichage electro-optique passif a cristal liquide nematique en helice et cellule d'affichage electro-optique passif obtenue par la mise en oeuvre de ce procede |
Country Status (6)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4618514A (en) * | 1985-12-20 | 1986-10-21 | Rca Corporation | Alignment layer for liquid crystal display |
| US5172255A (en) * | 1989-10-06 | 1992-12-15 | Nokia Unterhaltungselektronik (Deutschland) Gmbh | Process for increasing pretilt angles in nematic liquid crystal cells |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3700306A (en) * | 1971-09-22 | 1972-10-24 | Ncr Co | Electro-optic shutter having a thin glass or silicon oxide layer between the electrodes and the liquid crystal |
| US3930716A (en) * | 1972-03-31 | 1976-01-06 | Commissariat A L'energie Atomique | Method of collecting orientation of the molecules of a liquid crystal and a liquid-crystal cell for carrying out said method |
| US3834792A (en) * | 1972-04-10 | 1974-09-10 | Ncr | Alignment film for a liquid crystal display cell |
| US3963324A (en) * | 1972-05-08 | 1976-06-15 | Hoffmann-La Roche Inc. | Liquid crystal display assembly |
| JPS5435779B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-06-10 | 1979-11-05 | ||
| US3853391A (en) * | 1973-12-21 | 1974-12-10 | Rca Corp | Fabrication of liquid crystal devices |
| US4084884A (en) * | 1974-02-21 | 1978-04-18 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Liquid crystal devices |
| GB1478592A (en) * | 1974-03-01 | 1977-07-06 | Secr Defence | Liquid crystal devices |
| US3966305A (en) * | 1974-10-10 | 1976-06-29 | American Micro-Systems, Inc. | Liquid crystal cell with improved alignment |
| JPS5947287B2 (ja) * | 1975-03-31 | 1984-11-17 | シャープ株式会社 | ツイストネマテイツク液晶表示素子の製造方法 |
| US3967883A (en) * | 1975-05-22 | 1976-07-06 | Rca Corporation | Liquid crystal devices of the surface aligned type |
-
1977
- 1977-01-21 CH CH71677A patent/CH611043A5/xx not_active IP Right Cessation
- 1977-05-13 DE DE19772722389 patent/DE2722389A1/de not_active Withdrawn
- 1977-12-16 FR FR7738016A patent/FR2378326A1/fr active Granted
-
1978
- 1978-01-16 US US05/869,581 patent/US4207671A/en not_active Expired - Lifetime
- 1978-01-17 GB GB1763/78A patent/GB1553812A/en not_active Expired
- 1978-01-20 JP JP513278A patent/JPS53106064A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2378326A1 (fr) | 1978-08-18 |
| DE2722389A1 (de) | 1978-07-27 |
| US4207671A (en) | 1980-06-17 |
| JPS53106064A (en) | 1978-09-14 |
| CH611043A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-05-15 |
| GB1553812A (en) | 1979-10-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |