DE2225107A1 - Flüssigkristall Anzeigevorrichtung - Google Patents
Flüssigkristall AnzeigevorrichtungInfo
- Publication number
- DE2225107A1 DE2225107A1 DE19722225107 DE2225107A DE2225107A1 DE 2225107 A1 DE2225107 A1 DE 2225107A1 DE 19722225107 DE19722225107 DE 19722225107 DE 2225107 A DE2225107 A DE 2225107A DE 2225107 A1 DE2225107 A1 DE 2225107A1
- Authority
- DE
- Germany
- Prior art keywords
- liquid crystal
- elements
- frequency
- display device
- crystal display
- 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.)
- Pending
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 44
- 239000000463 material Substances 0.000 claims description 22
- 210000002858 crystal cell Anatomy 0.000 claims description 8
- 239000011159 matrix material Substances 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 5
- 210000004027 cell Anatomy 0.000 claims description 4
- 230000005684 electric field Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 6
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 description 4
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 description 2
- 239000004988 Nematic liquid crystal Substances 0.000 description 2
- 235000012000 cholesterol Nutrition 0.000 description 2
- WCLNGBQPTVENHV-MKQVXYPISA-N cholesteryl nonanoate Chemical compound C([C@@H]12)C[C@]3(C)[C@@H]([C@H](C)CCCC(C)C)CC[C@H]3[C@@H]1CC=C1[C@]2(C)CC[C@H](OC(=O)CCCCCCCC)C1 WCLNGBQPTVENHV-MKQVXYPISA-N 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000003446 memory effect Effects 0.000 description 2
- VSHTWPWTCXQLQN-UHFFFAOYSA-N n-butylaniline Chemical compound CCCCNC1=CC=CC=C1 VSHTWPWTCXQLQN-UHFFFAOYSA-N 0.000 description 2
- OTVRYZXVVMZHHW-FNOPAARDSA-N (8s,9s,10r,13r,14s,17r)-3-chloro-10,13-dimethyl-17-[(2r)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1h-cyclopenta[a]phenanthrene Chemical compound C1C=C2CC(Cl)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 OTVRYZXVVMZHHW-FNOPAARDSA-N 0.000 description 1
- XMPIMLRYNVGZIA-CCEZHUSRSA-N [10,13-dimethyl-17-(6-methylheptan-2-yl)-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1h-cyclopenta[a]phenanthren-3-yl] [(e)-octadec-9-enyl] carbonate Chemical compound C12CCC3(C)C(C(C)CCCC(C)C)CCC3C2CC=C2C1(C)CCC(OC(=O)OCCCCCCCC/C=C/CCCCCCCC)C2 XMPIMLRYNVGZIA-CCEZHUSRSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3622—Control of matrices with row and column drivers using a passive matrix
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1685971 | 1971-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2225107A1 true DE2225107A1 (de) | 1972-12-07 |
Family
ID=10084984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722225107 Pending DE2225107A1 (de) | 1971-05-25 | 1972-05-24 | Flüssigkristall Anzeigevorrichtung |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2225107A1 (enExample) |
| FR (1) | FR2139041A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2414608A1 (de) * | 1973-03-27 | 1974-10-10 | Mitsubishi Electric Corp | Matrixadressierverfahren |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2230410A1 (en) * | 1973-05-24 | 1974-12-20 | Commissariat Energie Atomique | Control of molecular orientation in liq. crystals - by applying electric field at varying frequencies |
| CH617281A5 (enExample) * | 1977-07-29 | 1980-05-14 | Bbc Brown Boveri & Cie |
-
1972
- 1972-05-24 DE DE19722225107 patent/DE2225107A1/de active Pending
- 1972-05-25 FR FR7218693A patent/FR2139041A1/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2414608A1 (de) * | 1973-03-27 | 1974-10-10 | Mitsubishi Electric Corp | Matrixadressierverfahren |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2139041B1 (enExample) | 1976-11-19 |
| FR2139041A1 (en) | 1973-01-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |