CA1056936A - Long life high contrast liquid crystal display - Google Patents
Long life high contrast liquid crystal displayInfo
- Publication number
- CA1056936A CA1056936A CA241,003A CA241003A CA1056936A CA 1056936 A CA1056936 A CA 1056936A CA 241003 A CA241003 A CA 241003A CA 1056936 A CA1056936 A CA 1056936A
- Authority
- CA
- Canada
- Prior art keywords
- liquid crystal
- electrodes
- transparent
- substrates
- score marks
- 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
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 113
- 238000000576 coating method Methods 0.000 claims abstract description 81
- 239000000758 substrate Substances 0.000 claims abstract description 45
- 239000011248 coating agent Substances 0.000 claims abstract description 44
- 230000005669 field effect Effects 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000012530 fluid Substances 0.000 claims abstract description 10
- 239000004988 Nematic liquid crystal Substances 0.000 claims abstract description 5
- 238000003491 array Methods 0.000 claims abstract description 4
- 230000005684 electric field Effects 0.000 claims description 23
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 18
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 claims description 13
- 229910001635 magnesium fluoride Inorganic materials 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 11
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 claims description 10
- 229910002113 barium titanate Inorganic materials 0.000 claims description 10
- 239000004408 titanium dioxide Substances 0.000 claims description 9
- 230000000007 visual effect Effects 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims description 4
- 230000004927 fusion Effects 0.000 claims description 4
- 230000006872 improvement Effects 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000002411 adverse Effects 0.000 claims 1
- 230000004888 barrier function Effects 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000008021 deposition Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 7
- 238000001771 vacuum deposition Methods 0.000 abstract description 5
- 238000004544 sputter deposition Methods 0.000 abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 5
- 235000012239 silicon dioxide Nutrition 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 150000002605 large molecules Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
- G02F1/133784—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by rubbing
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 |
|---|---|---|---|
| US52934774A | 1974-12-04 | 1974-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1056936A true CA1056936A (en) | 1979-06-19 |
Family
ID=24109540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA241,003A Expired CA1056936A (en) | 1974-12-04 | 1975-12-03 | Long life high contrast liquid crystal display |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5182648A (ref) |
| CA (1) | CA1056936A (ref) |
| CH (1) | CH609467A5 (ref) |
| DE (1) | DE2554417A1 (ref) |
| FR (1) | FR2293761A1 (ref) |
| GB (1) | GB1540838A (ref) |
| NL (1) | NL7514148A (ref) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1143167B (it) * | 1979-05-29 | 1986-10-22 | Texas Instruments Inc | Perfezionamento nei dispositivi di presentazione a cristalli liquidi e procedimento di fabbricazione |
| GB2082341A (en) | 1980-08-18 | 1982-03-03 | Standard Telephones Cables Ltd | Aligning liquid crystal layers |
| EP2116772B1 (en) | 2007-03-08 | 2019-04-03 | NGK Spark Plug Co., Ltd. | Method for manufacturing a glow plug |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS526097B2 (ref) * | 1972-03-14 | 1977-02-18 | ||
| DE2256317B2 (de) * | 1972-11-16 | 1977-05-26 | Ausscheidung in: 22 65 253 Siemens AG, 1000 Berlin und 8000 München | Verfahren zur erzeugung einer homogenen orientierung von fluessigkristallmolekuelen in einer fluessigkristallanordnung |
| JPS4975354A (ref) * | 1972-11-22 | 1974-07-20 | ||
| DE2330909B2 (de) * | 1973-06-18 | 1977-04-07 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur erzeugung einer schicht zur homoeotropen orientierung von fluessigkristallen |
| JPS5148993A (ja) * | 1974-10-24 | 1976-04-27 | Seikosha Kk | Denkikogakutekihyojisochi |
-
1975
- 1975-12-03 GB GB4966275A patent/GB1540838A/en not_active Expired
- 1975-12-03 CH CH1574475A patent/CH609467A5/xx not_active IP Right Cessation
- 1975-12-03 DE DE19752554417 patent/DE2554417A1/de not_active Withdrawn
- 1975-12-03 JP JP14483675A patent/JPS5182648A/ja active Pending
- 1975-12-03 FR FR7536984A patent/FR2293761A1/fr active Granted
- 1975-12-03 CA CA241,003A patent/CA1056936A/en not_active Expired
- 1975-12-04 NL NL7514148A patent/NL7514148A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2554417A1 (de) | 1976-06-10 |
| JPS5182648A (ja) | 1976-07-20 |
| FR2293761B1 (ref) | 1979-10-12 |
| GB1540838A (en) | 1979-02-14 |
| CH609467A5 (en) | 1979-02-28 |
| NL7514148A (nl) | 1976-06-09 |
| FR2293761A1 (fr) | 1976-07-02 |
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