DE2236467C3 - Bildanzeigevorrichtung - Google Patents
BildanzeigevorrichtungInfo
- Publication number
- DE2236467C3 DE2236467C3 DE2236467A DE2236467A DE2236467C3 DE 2236467 C3 DE2236467 C3 DE 2236467C3 DE 2236467 A DE2236467 A DE 2236467A DE 2236467 A DE2236467 A DE 2236467A DE 2236467 C3 DE2236467 C3 DE 2236467C3
- Authority
- DE
- Germany
- Prior art keywords
- liquid
- crystalline
- image
- layer
- electrodes
- 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
- 239000007788 liquid Substances 0.000 claims description 53
- 239000000203 mixture Substances 0.000 claims description 52
- 239000004973 liquid crystal related substance Substances 0.000 claims description 34
- 230000005684 electric field Effects 0.000 claims description 32
- 230000003287 optical effect Effects 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 23
- 239000000126 substance Substances 0.000 claims description 23
- 230000003098 cholesteric effect Effects 0.000 claims description 20
- 230000007704 transition Effects 0.000 claims description 8
- 239000013543 active substance Substances 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims description 3
- 238000010008 shearing Methods 0.000 claims description 3
- 230000005670 electromagnetic radiation Effects 0.000 claims description 2
- 230000000284 resting effect Effects 0.000 claims 1
- 239000010408 film Substances 0.000 description 32
- 238000003384 imaging method Methods 0.000 description 18
- 239000002178 crystalline material Substances 0.000 description 13
- 238000000149 argon plasma sintering Methods 0.000 description 10
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 description 9
- 125000006850 spacer group Chemical group 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- -1 polyethylene Polymers 0.000 description 7
- NOOLISFMXDJSKH-KXUCPTDWSA-N (-)-Menthol Chemical compound CC(C)[C@@H]1CC[C@@H](C)C[C@H]1O NOOLISFMXDJSKH-KXUCPTDWSA-N 0.000 description 6
- 239000004020 conductor Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000004043 responsiveness Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000012799 electrically-conductive coating Substances 0.000 description 4
- DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical compound C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 3
- 229910001887 tin oxide Inorganic materials 0.000 description 3
- XMGQYMWWDOXHJM-JTQLQIEISA-N (+)-α-limonene Chemical class CC(=C)[C@@H]1CCC(C)=CC1 XMGQYMWWDOXHJM-JTQLQIEISA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 2
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N Methyl ethyl ketone Natural products CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- 239000004988 Nematic liquid crystal Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 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 2
- 238000000576 coating method Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 229940041616 menthol Drugs 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000001429 visible spectrum Methods 0.000 description 2
- DTGKSKDOIYIVQL-NQMVMOMDSA-N (+)-Borneol Natural products C1C[C@]2(C)[C@H](O)C[C@@H]1C2(C)C DTGKSKDOIYIVQL-NQMVMOMDSA-N 0.000 description 1
- DTGKSKDOIYIVQL-WEDXCCLWSA-N (+)-borneol Chemical compound C1C[C@@]2(C)[C@@H](O)C[C@@H]1C2(C)C DTGKSKDOIYIVQL-WEDXCCLWSA-N 0.000 description 1
- NFLGAXVYCFJBMK-BDAKNGLRSA-N (-)-menthone Chemical compound CC(C)[C@@H]1CC[C@@H](C)CC1=O NFLGAXVYCFJBMK-BDAKNGLRSA-N 0.000 description 1
- KAEZRSFWWCTVNP-UHFFFAOYSA-N (4-methoxyphenyl)-(4-methoxyphenyl)imino-oxidoazanium Chemical compound C1=CC(OC)=CC=C1N=[N+]([O-])C1=CC=C(OC)C=C1 KAEZRSFWWCTVNP-UHFFFAOYSA-N 0.000 description 1
- AFDXODALSZRGIH-QPJJXVBHSA-N (E)-3-(4-methoxyphenyl)prop-2-enoic acid Chemical compound COC1=CC=C(\C=C\C(O)=O)C=C1 AFDXODALSZRGIH-QPJJXVBHSA-N 0.000 description 1
- SVAKQZXLNBBOTG-JYFOCSDGSA-N (e)-1-(4-methoxyphenyl)-n-[(e)-(4-methoxyphenyl)methylideneamino]methanimine Chemical compound C1=CC(OC)=CC=C1\C=N\N=C\C1=CC=C(OC)C=C1 SVAKQZXLNBBOTG-JYFOCSDGSA-N 0.000 description 1
- NNWUEBIEOFQMSS-UHFFFAOYSA-N 2-Methylpiperidine Chemical compound CC1CCCCN1 NNWUEBIEOFQMSS-UHFFFAOYSA-N 0.000 description 1
- LAUFPZPAKULAGB-UHFFFAOYSA-N 4-butoxybenzoic acid Chemical compound CCCCOC1=CC=C(C(O)=O)C=C1 LAUFPZPAKULAGB-UHFFFAOYSA-N 0.000 description 1
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 1
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical group COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000004990 Smectic liquid crystal Substances 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 1
- HOYWVKUPOCFKOT-UHFFFAOYSA-N [4-[(4-methoxyphenyl)methylideneamino]phenyl] acetate Chemical compound C1=CC(OC)=CC=C1C=NC1=CC=C(OC(C)=O)C=C1 HOYWVKUPOCFKOT-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000001344 alkene derivatives Chemical class 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
- 150000001408 amides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229960005070 ascorbic acid Drugs 0.000 description 1
- 239000011668 ascorbic acid Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- NEHNMFOYXAPHSD-UHFFFAOYSA-N beta-citronellal Natural products O=CCC(C)CCC=C(C)C NEHNMFOYXAPHSD-UHFFFAOYSA-N 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 229920006217 cellulose acetate butyrate Polymers 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000012000 cholesterol Nutrition 0.000 description 1
- 150000001841 cholesterols Chemical class 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 229960001270 d- tartaric acid Drugs 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002050 diffraction method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000012538 light obscuration Methods 0.000 description 1
- 229960001855 mannitol Drugs 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 239000012852 risk material Substances 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 229960001367 tartaric acid Drugs 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
- C09K19/58—Dopants or charge transfer agents
- C09K19/586—Optically active dopants; chiral dopants
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
- C09K19/54—Additives having no specific mesophase characterised by their chemical composition
-
- 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
-
- 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
- G02F1/13718—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 a change of the texture state of a cholesteric liquid crystal
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/14—Inert intermediate or cover layers for charge-receiving layers
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G7/00—Selection of materials for use in image-receiving members, i.e. for reversal by physical contact; Manufacture thereof
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S359/00—Optical: systems and elements
- Y10S359/90—Methods
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Substances (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00207787A US3806230A (en) | 1971-12-14 | 1971-12-14 | Liquid crystal imaging system having optical storage capabilities |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2236467A1 DE2236467A1 (de) | 1973-06-20 |
| DE2236467B2 DE2236467B2 (de) | 1980-02-14 |
| DE2236467C3 true DE2236467C3 (de) | 1986-08-21 |
Family
ID=22772003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2236467A Expired DE2236467C3 (de) | 1971-12-14 | 1972-07-25 | Bildanzeigevorrichtung |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3806230A (OSRAM) |
| JP (1) | JPS5313128B2 (OSRAM) |
| CA (1) | CA966919A (OSRAM) |
| DE (1) | DE2236467C3 (OSRAM) |
| FR (1) | FR2165547A5 (OSRAM) |
| GB (1) | GB1410989A (OSRAM) |
| NL (1) | NL175952C (OSRAM) |
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3978007A (en) * | 1971-12-09 | 1976-08-31 | American Cyanamid Company | Simple, bonded graphite counter electrode for EC devices |
| USRE28806E (en) * | 1972-02-24 | 1976-05-11 | Xerox Corporation | Liquid crystal compositions |
| US3931041A (en) * | 1972-02-24 | 1976-01-06 | Xerox Corporation | Liquid crystal compositions |
| US3975285A (en) * | 1972-10-30 | 1976-08-17 | Hodogaya Chemical Co., Ltd. | Liquid crystal composition |
| US3891307A (en) * | 1973-03-20 | 1975-06-24 | Matsushita Electric Industrial Co Ltd | Phase control of the voltages applied to opposite electrodes for a cholesteric to nematic phase transition display |
| US4110762A (en) * | 1974-05-10 | 1978-08-29 | Commissariat A L'energie Atomique | Drawing machines especially for integrated circuit masks |
| US3938880A (en) * | 1974-05-28 | 1976-02-17 | Xerox Corporation | Spherulitic liquid crystalline texture |
| US3909114A (en) * | 1974-05-28 | 1975-09-30 | Xerox Corp | Variable spherulitic diffraction |
| US3977769A (en) * | 1974-05-31 | 1976-08-31 | Matsushita Electric Industrial Co., Ltd. | Electro-optic device |
| DE2504564B2 (de) * | 1974-06-07 | 1977-11-24 | (+)p-alkoxy-p'-(2-methylbutyl)azoxybenzole und ein diese enthaltendes cholesterinisches fluessigkristallgemisch | |
| US3973830A (en) * | 1974-06-07 | 1976-08-10 | Matsushita Electric Industrial Co., Ltd. | Electro-optic device |
| US3972588A (en) * | 1974-08-19 | 1976-08-03 | Xerox Corporation | Imaging method |
| US4005032A (en) * | 1974-09-25 | 1977-01-25 | Xerox Corporation | Liquid crystalline composition having mixed cholesteric-nematic properties |
| US4032470A (en) * | 1975-12-22 | 1977-06-28 | Rca Corporation | Electro-optic device |
| US4088393A (en) * | 1975-12-31 | 1978-05-09 | Omron Tateisi Electronics Co. | Field effect mode liquid crystal display materials |
| FR2356173A1 (fr) * | 1976-06-21 | 1978-01-20 | Gen Electric | Procede pour ameliorer le temps de descente d'un dispositif d'affichage a composition de cristaux liquides nematique en helice |
| US4106853A (en) * | 1976-07-28 | 1978-08-15 | Hughes Aircraft Company | Method and apparatus for increasing contrast ratio of the stored image in a storage mode light valve |
| US4097127A (en) * | 1977-03-02 | 1978-06-27 | Xerox Corporation | Mixed liquid crystalline texture formation |
| US4385844A (en) * | 1977-04-07 | 1983-05-31 | Becton, Dickinson And Company | Novel compositions, devices and method |
| JPS5459098A (en) * | 1977-10-20 | 1979-05-12 | Shiyunsuke Kobayashi | Storage type liquid crystal color indicator |
| JPS5459159A (en) * | 1977-10-20 | 1979-05-12 | Shiyunsuke Kobayashi | Liquid crystal display unit |
| GB2088110B (en) * | 1980-09-25 | 1985-01-30 | Canon Kk | Liquid crystal display devices |
| US4460492A (en) * | 1981-11-19 | 1984-07-17 | Temple University | Low viscosity lyotropic cholesteric liquid crystal compositions |
| US4717243A (en) * | 1982-08-25 | 1988-01-05 | American Telephone And Telegraph Company, At&T Bell Laboratories | Bistable liquid crystal display utilizing priming voltages |
| JPS59126492A (ja) * | 1982-12-24 | 1984-07-21 | Fujitsu Ltd | 液晶組成物 |
| JPS60104888U (ja) * | 1983-12-21 | 1985-07-17 | 星野楽器株式会社 | ドラム用フツトペダル |
| US4798680A (en) * | 1985-10-18 | 1989-01-17 | Canon Kabushiki Kaisha | Optically active compound, process for producing same and liquid crystal composition containing same |
| JP3002757B2 (ja) * | 1990-07-04 | 2000-01-24 | キヤノン株式会社 | 画像形成方法、記録媒体、及び可視化像の再生方法 |
| US5847798A (en) * | 1991-05-02 | 1998-12-08 | Kent State University | Polymer stabilized black-white cholesteric reflective display |
| US5695682A (en) * | 1991-05-02 | 1997-12-09 | Kent State University | Liquid crystalline light modulating device and material |
| KR100320567B1 (ko) * | 1992-05-18 | 2002-06-20 | 액정광변조장치및재료 | |
| WO1994010260A1 (en) * | 1992-10-30 | 1994-05-11 | Kent State University | Multistable chiral nematic displays |
| US6356248B1 (en) * | 1993-03-04 | 2002-03-12 | Tektronix, Inc. | Spacers for use in an electro-optical addressing structure |
| US5889566A (en) * | 1994-04-11 | 1999-03-30 | Advanced Display Systems, Inc. | Multistable cholesteric liquid crystal devices driven by width-dependent voltage pulse |
| US5625477A (en) * | 1994-04-11 | 1997-04-29 | Advanced Display Systems, Inc. | Zero field multistable cholesteric liquid crystal displays |
| US5668614A (en) * | 1995-05-01 | 1997-09-16 | Kent State University | Pixelized liquid crystal display materials including chiral material adopted to change its chirality upon photo-irradiation |
| US5661533A (en) * | 1995-05-19 | 1997-08-26 | Advanced Display Systems, Inc. | Ultra fast response, multistable reflective cholesteric liquid crystal displays |
| US5933203A (en) * | 1997-01-08 | 1999-08-03 | Advanced Display Systems, Inc. | Apparatus for and method of driving a cholesteric liquid crystal flat panel display |
| US6034752A (en) * | 1997-03-22 | 2000-03-07 | Kent Displays Incorporated | Display device reflecting visible and infrared radiation |
| US20060066803A1 (en) * | 2004-09-30 | 2006-03-30 | Aylward Peter T | Substrate free flexible liquid crystal displays |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3642348A (en) * | 1969-10-20 | 1972-02-15 | Xerox Corp | Imaging system |
| US3680950A (en) * | 1971-03-15 | 1972-08-01 | Xerox Corp | Grandjean state liquid crystalline imaging system |
| US3703331A (en) * | 1971-11-26 | 1972-11-21 | Rca Corp | Liquid crystal display element having storage |
-
1971
- 1971-12-14 US US00207787A patent/US3806230A/en not_active Expired - Lifetime
-
1972
- 1972-06-23 CA CA145,498A patent/CA966919A/en not_active Expired
- 1972-07-25 DE DE2236467A patent/DE2236467C3/de not_active Expired
- 1972-08-23 JP JP8442072A patent/JPS5313128B2/ja not_active Expired
- 1972-12-08 GB GB5667172A patent/GB1410989A/en not_active Expired
- 1972-12-14 NL NLAANVRAGE7217036,A patent/NL175952C/xx not_active IP Right Cessation
- 1972-12-14 FR FR7244600A patent/FR2165547A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4866992A (OSRAM) | 1973-09-13 |
| CA966919A (en) | 1975-04-29 |
| JPS5313128B2 (OSRAM) | 1978-05-08 |
| NL175952C (nl) | 1985-01-16 |
| DE2236467A1 (de) | 1973-06-20 |
| FR2165547A5 (OSRAM) | 1973-08-03 |
| GB1410989A (en) | 1975-10-22 |
| NL175952B (nl) | 1984-08-16 |
| NL7217036A (OSRAM) | 1973-06-18 |
| US3806230A (en) | 1974-04-23 |
| DE2236467B2 (de) | 1980-02-14 |
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| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |