FR2471641A1 - Dispositif d'affichage a cristal liquide - Google Patents
Dispositif d'affichage a cristal liquide Download PDFInfo
- Publication number
- FR2471641A1 FR2471641A1 FR8025969A FR8025969A FR2471641A1 FR 2471641 A1 FR2471641 A1 FR 2471641A1 FR 8025969 A FR8025969 A FR 8025969A FR 8025969 A FR8025969 A FR 8025969A FR 2471641 A1 FR2471641 A1 FR 2471641A1
- Authority
- FR
- France
- Prior art keywords
- polarization
- polarizer
- cell
- liquid crystal
- layer
- 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 abstract description 29
- 230000010287 polarization Effects 0.000 claims abstract description 52
- 239000004988 Nematic liquid crystal Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 210000004027 cell Anatomy 0.000 description 52
- 239000010410 layer Substances 0.000 description 38
- 230000005684 electric field Effects 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 239000002356 single layer Substances 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 210000002858 crystal cell Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 125000006850 spacer group Chemical group 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
- G02F1/1333—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 true FR2471641A1 (fr) | 1981-06-19 |
| FR2471641B1 FR2471641B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 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)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1268271A (en) * | 1987-11-06 | 1990-04-24 | David M. Makow | Electro-optic animated displays and indicators |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1046618A (en) * | 1972-11-13 | 1979-01-16 | John L. Janning | Liquid crystal display device |
| CH566610A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-01-03 | 1975-09-15 | Battelle Memorial Institute | |
| GB1469638A (en) | 1973-07-18 | 1977-04-06 | Secr Defence | Liquid crystal display device |
| CH579284A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-01-29 | 1976-08-31 | Siemens Ag | |
| DE2459488A1 (de) | 1974-12-16 | 1976-06-24 | Siemens Ag | Fluessigkristall-verbundanzeigeschirm (-zelle) |
| DE2532284C3 (de) | 1974-07-23 | 1979-06-13 | Dai Nippon Insatsu K.K., Tokio | Elektrooptisch« Vorrichtung mit einem Flüssigkristall |
| GB1562391A (en) | 1975-10-04 | 1980-03-12 | Marconi Co Ltd | Liquid crystal display arrangements |
| JPS5922924B2 (ja) | 1976-11-19 | 1984-05-30 | セイコーエプソン株式会社 | 液晶表示装置 |
| JPS53101296A (en) * | 1977-02-16 | 1978-09-04 | Seiko Epson Corp | Display unit |
| SE425048B (sv) | 1978-04-24 | 1982-08-30 | Ake Hornell | Flerskiktsglas, serskilt skyddsglas i en svetsskerm |
-
1979
- 1979-12-11 CH CH1096279A patent/CH636491B/fr not_active IP Right Cessation
-
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 |
|---|---|
| JPH0151817B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-11-06 |
| CH636491GA3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1983-06-15 |
| FR2471641B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-12-10 |
| GB2065322B (en) | 1983-07-06 |
| GB2065322A (en) | 1981-06-24 |
| CH636491B (fr) | |
| DE3046356A1 (de) | 1981-08-27 |
| JPS5694328A (en) | 1981-07-30 |
| DE3046356C2 (de) | 1987-01-15 |
| US4423928A (en) | 1984-01-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |