CH638624A5 - Elektrooptisches fluessigkristall-anzeigegeraet. - Google Patents
Elektrooptisches fluessigkristall-anzeigegeraet. Download PDFInfo
- Publication number
- CH638624A5 CH638624A5 CH344179A CH344179A CH638624A5 CH 638624 A5 CH638624 A5 CH 638624A5 CH 344179 A CH344179 A CH 344179A CH 344179 A CH344179 A CH 344179A CH 638624 A5 CH638624 A5 CH 638624A5
- Authority
- CH
- Switzerland
- Prior art keywords
- liquid crystal
- pleochroic
- dye
- molecules
- light
- Prior art date
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 58
- 230000003287 optical effect Effects 0.000 title claims description 10
- 239000000975 dye Substances 0.000 claims description 55
- 239000000463 material Substances 0.000 claims description 55
- 239000000758 substrate Substances 0.000 claims description 26
- 230000010287 polarization Effects 0.000 claims description 23
- 238000010521 absorption reaction Methods 0.000 claims description 16
- 230000007935 neutral effect Effects 0.000 claims description 16
- 239000007850 fluorescent dye Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 238000004040 coloring Methods 0.000 claims description 13
- 230000005684 electric field Effects 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 5
- 230000003993 interaction Effects 0.000 claims description 5
- 230000031700 light absorption Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 230000003098 cholesteric effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 3
- 239000000987 azo dye Substances 0.000 claims 2
- 239000004988 Nematic liquid crystal Substances 0.000 claims 1
- 230000009878 intermolecular interaction Effects 0.000 claims 1
- 230000000704 physical effect Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 claims 1
- 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 25
- 235000012000 cholesterol Nutrition 0.000 description 12
- 239000003973 paint Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 239000004793 Polystyrene Substances 0.000 description 6
- 230000003595 spectral effect Effects 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- 229910052737 gold Inorganic materials 0.000 description 5
- 238000001429 visible spectrum Methods 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 4
- CSHWQDPOILHKBI-UHFFFAOYSA-N perylene Chemical compound C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 239000001000 anthraquinone dye Substances 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- HHPCNRKYVYWYAU-UHFFFAOYSA-N 4-cyano-4'-pentylbiphenyl Chemical group C1=CC(CCCCC)=CC=C1C1=CC=C(C#N)C=C1 HHPCNRKYVYWYAU-UHFFFAOYSA-N 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 2
- 239000005041 Mylar™ Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 235000010290 biphenyl Nutrition 0.000 description 2
- 239000004305 biphenyl Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 description 1
- ACNUVXZPCIABEX-UHFFFAOYSA-N 3',6'-diaminospiro[2-benzofuran-3,9'-xanthene]-1-one Chemical compound O1C(=O)C2=CC=CC=C2C21C1=CC=C(N)C=C1OC1=CC(N)=CC=C21 ACNUVXZPCIABEX-UHFFFAOYSA-N 0.000 description 1
- GPGGNNIMKOVSAG-UHFFFAOYSA-N 4-(4-octoxyphenyl)benzonitrile Chemical group C1=CC(OCCCCCCCC)=CC=C1C1=CC=C(C#N)C=C1 GPGGNNIMKOVSAG-UHFFFAOYSA-N 0.000 description 1
- RDISTOCQRJJICR-UHFFFAOYSA-N 4-(4-pentoxyphenyl)benzonitrile Chemical group C1=CC(OCCCCC)=CC=C1C1=CC=C(C#N)C=C1 RDISTOCQRJJICR-UHFFFAOYSA-N 0.000 description 1
- PBMCTXQDYLSLTP-UHFFFAOYSA-N 4-(4-pentylphenyl)-3-phenylbenzonitrile Chemical group C1=CC(CCCCC)=CC=C1C1=CC=C(C#N)C=C1C1=CC=CC=C1 PBMCTXQDYLSLTP-UHFFFAOYSA-N 0.000 description 1
- RZCQJZFWJZHMPK-UHFFFAOYSA-N 4-(4-propoxyphenyl)benzonitrile Chemical group C1=CC(OCCC)=CC=C1C1=CC=C(C#N)C=C1 RZCQJZFWJZHMPK-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 210000002858 crystal cell Anatomy 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229940067606 lecithin Drugs 0.000 description 1
- 235000010445 lecithin Nutrition 0.000 description 1
- 239000000787 lecithin Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000001282 organosilanes Chemical class 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 230000007704 transition Effects 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133617—Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
-
- 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
- C09K19/60—Pleochroic dyes
-
- 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
- G02F1/13725—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 guest-host interaction
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Nonlinear Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (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 |
|---|---|---|---|
| GB1442578 | 1978-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH638624A5 true CH638624A5 (de) | 1983-09-30 |
Family
ID=10040998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH344179A CH638624A5 (de) | 1978-04-12 | 1979-04-11 | Elektrooptisches fluessigkristall-anzeigegeraet. |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4211473A (enExample) |
| JP (1) | JPS54143250A (enExample) |
| CH (1) | CH638624A5 (enExample) |
Families Citing this family (45)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55108690A (en) * | 1979-02-15 | 1980-08-21 | Sharp Kk | Multiple color* fluorescence scattering type liquid crystal display unit |
| JPS56135886A (en) | 1980-03-26 | 1981-10-23 | Sharp Kk | Reflecting type fluorescent liquid crystal indicator |
| US4308164A (en) * | 1980-08-04 | 1981-12-29 | General Electric Company | Novel yellow azo dyes and dichroic liquid crystal composition made therewith |
| US4308161A (en) * | 1980-08-04 | 1981-12-29 | General Electric Company | Novel yellow azo dyes and dichroic liquid crystal compositions made therewith |
| US4308163A (en) * | 1980-08-04 | 1981-12-29 | General Electric Company | Novel yellow azo dyes and dichroic liquid crystal composition made therewith |
| EP0047027A1 (de) * | 1980-08-22 | 1982-03-10 | BBC Aktiengesellschaft Brown, Boveri & Cie. | Flüssigkristallmischung |
| JPS5763377A (en) * | 1980-10-03 | 1982-04-16 | Mitsui Toatsu Chem Inc | Liquid crystal composition for color display |
| US4356102A (en) * | 1980-10-22 | 1982-10-26 | General Electric Company | Dichroic liquid crystal compositions containing anthraquinone-based dyes |
| US4624532A (en) * | 1980-10-22 | 1986-11-25 | General Electric Company | Dichroic liquid crystal compositions containing anthraquinone-based dyes |
| US4308162A (en) * | 1980-12-08 | 1981-12-29 | General Electric Company | Novel yellow azo dyes and dichroic liquid crystal compositions made therewith |
| US4378302A (en) * | 1980-12-16 | 1983-03-29 | General Electric Company | Red perylene dichroic dye containing liquid crystal formulations |
| JPS581775A (ja) * | 1981-06-26 | 1983-01-07 | Mitsubishi Chem Ind Ltd | 液晶組成物 |
| JPS5895327A (ja) * | 1981-12-01 | 1983-06-06 | Alps Electric Co Ltd | カラ−液晶表示素子 |
| EP0081308A1 (en) * | 1981-12-04 | 1983-06-15 | The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and | Liquid crystal display devices |
| JPS58121022U (ja) * | 1982-02-10 | 1983-08-17 | セイコーエプソン株式会社 | 液晶表示装置 |
| JPS58186723A (ja) * | 1982-04-26 | 1983-10-31 | Seiko Epson Corp | 液晶表示装置 |
| US4475806A (en) * | 1982-09-21 | 1984-10-09 | Xerox Corporation | Copier display panel |
| US4448492A (en) * | 1982-12-23 | 1984-05-15 | Minnesota Mining And Manufacturing Company | Cycloalkyl-type isotropic dyes for liquid crystal display devices |
| US4452511A (en) * | 1982-12-30 | 1984-06-05 | Minnesota Mining And Manufacturing Company | Substituted anthracene-type isotropic dyes for liquid crystal display devices |
| US4506956A (en) * | 1983-03-29 | 1985-03-26 | Xerox Corporation | Multicolor liquid crystal display with a dead front |
| US4527864A (en) * | 1983-03-29 | 1985-07-09 | Xerox Corporation | High contrast liquid crystal display devices |
| US5103326A (en) * | 1983-03-30 | 1992-04-07 | Manchester R&D Partnership | Fluorescent colored encapsulated liquid crystal apparatus using enhanced scattering |
| US5052784A (en) * | 1986-06-23 | 1991-10-01 | Manchester R&D Partnership | Fluorescent colored encapsulated liquid crystal apparatus using enhanced scattering |
| US4856876A (en) * | 1983-03-30 | 1989-08-15 | Manchester R & D Partnership | Fluorescent colored encapsulated liquid crystal apparatus using enhanced scattering |
| US4838660A (en) * | 1983-03-30 | 1989-06-13 | Manchester R & D Partnership | Colored encapsulated liquid crystal apparatus using enhanced scattering |
| JPS6088323U (ja) * | 1983-11-19 | 1985-06-17 | トヨタ自動車株式会社 | 液晶表示装置 |
| GB8429991D0 (en) * | 1984-11-28 | 1985-01-09 | Gen Electric Co Plc | Display devices |
| US5168380A (en) * | 1985-03-01 | 1992-12-01 | Manchester R & D Partnership An Ohio Limited Partnership | Multiple containment mediums of operationally nematic liquid crystal responsive to a prescribed input |
| US5142389A (en) * | 1985-03-01 | 1992-08-25 | Manchester R & D Limited Partnership | Liquid crystal color display and method |
| US4953953A (en) * | 1985-03-01 | 1990-09-04 | Manchester R & D Partnership | Complementary color liquid display |
| US5345322A (en) * | 1985-03-01 | 1994-09-06 | Manchester R&D Limited Partnership | Complementary color liquid crystal display |
| US5208686A (en) * | 1985-03-01 | 1993-05-04 | Manchester R&D Partnership | Liquid crystal color display and method |
| ATE154140T1 (de) * | 1985-03-01 | 1997-06-15 | Manchester R & D Partnership | Flüssigkristallfarbanzeigevorrichtung und verfahren |
| US4878741A (en) * | 1986-09-10 | 1989-11-07 | Manchester R & D Partnership | Liquid crystal color display and method |
| US4867536A (en) * | 1986-02-05 | 1989-09-19 | Ford Motor Company | Color selectable liquid crystal display system |
| WO1990003593A1 (en) * | 1988-09-28 | 1990-04-05 | Taliq Corporation | Enhanced backscattering and light transmission in a guest host display |
| US5206747A (en) * | 1988-09-28 | 1993-04-27 | Taliq Corporation | Polymer dispersed liquid crystal display with birefringence of the liquid crystal at least 0.23 |
| US6057906A (en) * | 1996-03-29 | 2000-05-02 | Kabushiki Kaisha Toshiba | Liquid crystal display element |
| RU2139559C1 (ru) * | 1997-08-04 | 1999-10-10 | ОПТИВА, Инк. | Жидкокристаллический дисплей |
| DE10012326A1 (de) * | 2000-03-14 | 2001-09-20 | Philips Corp Intellectual Pty | Flüssigkristall-Farbbildschirm |
| GB0124068D0 (en) * | 2001-10-06 | 2001-11-28 | Ibm | Fluorescence-enhanced reflective LCD |
| US7557876B2 (en) * | 2003-07-25 | 2009-07-07 | Nitto Denko Corporation | Anisotropic fluorescent thin crystal film and backlight system and liquid crystal display incorporating the same |
| TWI280417B (en) * | 2004-01-09 | 2007-05-01 | Furukawa Electric Co Ltd | Light reflector |
| US7450194B2 (en) * | 2004-03-04 | 2008-11-11 | Nitto Denko Corporation | Polarized interference recycling backlight module and liquid crystal display incorporating the same |
| US7456915B2 (en) * | 2004-03-26 | 2008-11-25 | Nitto Denko Corporation | Liquid crystal display panel with broadband interference polarizers |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1386715A (en) * | 1972-02-16 | 1975-03-12 | Suwa Seikosha Kk | Liquid crystal display device |
| JPS5412068B2 (enExample) * | 1973-05-17 | 1979-05-19 | ||
| US3844637A (en) * | 1973-08-29 | 1974-10-29 | Bunker Ramo | Integrated liquid crystal luminophor display |
| CH564206A5 (enExample) * | 1973-09-27 | 1975-07-15 | Bbc Brown Boveri & Cie | |
| DE2459488A1 (de) * | 1974-12-16 | 1976-06-24 | Siemens Ag | Fluessigkristall-verbundanzeigeschirm (-zelle) |
| US3960753A (en) * | 1974-05-30 | 1976-06-01 | Rca Corporation | Fluorescent liquid crystals |
| GB1507030A (en) * | 1974-10-21 | 1978-04-12 | Secr Defence | Liquid crystal display devices |
| US4048358A (en) * | 1974-12-02 | 1977-09-13 | 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 |
| CH582894A5 (enExample) * | 1975-03-17 | 1976-12-15 | Bbc Brown Boveri & Cie | |
| US4145114A (en) * | 1975-06-17 | 1979-03-20 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Pleochroic dyes |
| DE2544940C2 (de) * | 1975-10-07 | 1982-05-06 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur Herstellung einer Flüssigkristallanzeige |
| AT351615B (de) * | 1975-12-03 | 1979-08-10 | Siemens Ag | Anordnung zur passiven helligkeitsverstaerkung von ein- oder mehrfarbigen anzeigevor- richtungen |
| NL7602291A (nl) * | 1976-03-05 | 1977-09-07 | Philips Nv | Beeldweergeefinrichting bevattende een laag nematisch vloeibaar kristal. |
| DE2619352C2 (de) * | 1976-04-30 | 1981-12-03 | Siemens AG, 1000 Berlin und 8000 München | Flüssigkristall-Anzeigevorrichtung mit einer Platte aus fluoreszierendem Material |
| JPS5355138A (en) * | 1976-10-29 | 1978-05-19 | Hitachi Ltd | Liquid crystal display element |
| US4097130A (en) * | 1977-03-11 | 1978-06-27 | General Electric Company | Multi-colored liquid crystal displays |
| DE2832537A1 (de) * | 1977-07-27 | 1979-02-22 | Marconi Co Ltd | Anzeigevorrichtung |
| GB2003289A (en) * | 1977-08-08 | 1979-03-07 | Secr Defence | Liquid crystal display devices |
| GB2003290B (en) * | 1977-08-08 | 1982-02-17 | Secr Defence | Liquid crystal display devices |
| US4128313A (en) * | 1977-08-18 | 1978-12-05 | General Electric Company | Liquid crystal display with dark characters on light background |
| US4337999A (en) * | 1977-08-29 | 1982-07-06 | Sharp Corporation | Fluorescent liquid crystal display compositions and devices |
| US4176918A (en) * | 1977-11-14 | 1979-12-04 | Temple University | Fluorescent liquid crystal display |
-
1979
- 1979-04-11 CH CH344179A patent/CH638624A5/de not_active IP Right Cessation
- 1979-04-12 US US06/029,412 patent/US4211473A/en not_active Expired - Lifetime
- 1979-04-12 JP JP4484479A patent/JPS54143250A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS644164B2 (enExample) | 1989-01-24 |
| US4211473A (en) | 1980-07-08 |
| JPS54143250A (en) | 1979-11-08 |
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