CA1055590A - Method of making liquid crystal devices of the surface aligned type - Google Patents
Method of making liquid crystal devices of the surface aligned typeInfo
- Publication number
- CA1055590A CA1055590A CA251,423A CA251423A CA1055590A CA 1055590 A CA1055590 A CA 1055590A CA 251423 A CA251423 A CA 251423A CA 1055590 A CA1055590 A CA 1055590A
- Authority
- CA
- Canada
- Prior art keywords
- layer
- layers
- liquid crystal
- molecules
- angle
- 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 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 4
- 239000000758 substrate Substances 0.000 claims abstract description 40
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 238000001704 evaporation Methods 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 2
- 230000008021 deposition Effects 0.000 abstract description 10
- 210000004027 cell Anatomy 0.000 description 25
- 230000012010 growth Effects 0.000 description 10
- 230000005684 electric field Effects 0.000 description 9
- 230000008020 evaporation Effects 0.000 description 9
- 238000000151 deposition Methods 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 210000002858 crystal cell Anatomy 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 239000010408 film Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000004988 Nematic liquid crystal Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000007773 growth pattern Effects 0.000 description 1
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 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
- G02F1/133734—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by obliquely evaporated films, e.g. Si or SiO2 films
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/579,969 US3967883A (en) | 1975-05-22 | 1975-05-22 | Liquid crystal devices of the surface aligned type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1055590A true CA1055590A (en) | 1979-05-29 |
Family
ID=24319098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA251,423A Expired CA1055590A (en) | 1975-05-22 | 1976-04-29 | Method of making liquid crystal devices of the surface aligned type |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3967883A (en, 2012) |
| JP (1) | JPS51144252A (en, 2012) |
| CA (1) | CA1055590A (en, 2012) |
| CH (1) | CH608113A5 (en, 2012) |
| DE (1) | DE2621140B2 (en, 2012) |
| FR (1) | FR2312046A1 (en, 2012) |
| GB (1) | GB1542071A (en, 2012) |
| IT (1) | IT1065898B (en, 2012) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4165923A (en) * | 1972-04-10 | 1979-08-28 | Ncr Corporation | Liquid crystal alignment structure |
| JPS542580B2 (en, 2012) * | 1974-07-01 | 1979-02-09 | ||
| JPS5223358A (en) * | 1975-08-15 | 1977-02-22 | Hitachi Ltd | Process for fabricating a membrane for controlling the orientation of a liquid crystal display unit |
| CH604198A5 (en, 2012) * | 1975-09-02 | 1978-08-31 | Siemens Ag | |
| DE2548895A1 (de) * | 1975-10-31 | 1977-05-05 | Siemens Ag | Drehzelle mit schraegbedampften schichten |
| JPS5273753A (en) * | 1975-12-16 | 1977-06-21 | Gen Corp | Method of treating orientation of liquid crystal molecules |
| FR2362089A1 (fr) * | 1976-08-17 | 1978-03-17 | Itt | Methode de fabrication d'une cellule d'affichage a cristaux liquides |
| CH611043A5 (en, 2012) * | 1977-01-21 | 1979-05-15 | Ebauches Sa | |
| JPS5440653A (en) * | 1977-09-06 | 1979-03-30 | Sharp Corp | Substrate for liquid crystal display device |
| CH619052A5 (en, 2012) * | 1977-12-28 | 1980-08-29 | Ebauches Sa | |
| JPS6032170B2 (ja) * | 1978-02-03 | 1985-07-26 | セイコーインスツルメンツ株式会社 | エレクトロクロミツク表示装置 |
| JPS564121A (en) * | 1979-06-22 | 1981-01-17 | Stanley Electric Co Ltd | Liquid crystal display device |
| DE3068730D1 (en) * | 1979-12-07 | 1984-08-30 | Thomson Csf | Mixture of disc-like liquid crystals, electrooptical device using such a mixture and method for the orientation of the molecules in the mixture |
| US4472026A (en) * | 1982-05-06 | 1984-09-18 | At&T Bell Laboratories | Electrothermal matrix addressable liquid crystal display |
| JPS60217339A (ja) * | 1984-04-13 | 1985-10-30 | Matsushita Electric Ind Co Ltd | 液晶表示パネルおよびその製造方法 |
| US5011267A (en) * | 1986-10-14 | 1991-04-30 | Hughes Aircraft Company | Method for tilted alignment of liquid crystals with improved photostability |
| JPS63156968A (ja) * | 1986-12-19 | 1988-06-30 | Matsushita Electric Ind Co Ltd | 空調制御装置 |
| US4917472A (en) * | 1988-03-14 | 1990-04-17 | Hughes Aircraft Company | Light valves with positive dielectric anisotropy liquid crystal and highly tilted off-perpendicular surface alignment, and associated operating method |
| US5657102A (en) * | 1993-01-29 | 1997-08-12 | Sharp Kabushiki Kaisha | Liquid crystal display apparatus, a method for producing the same, and a substrate having an alignment layer with different degrees of roughness |
| US5576870A (en) * | 1993-04-23 | 1996-11-19 | Matsushita Electric Industrial Co., Ltd. | Liquid crystal display panel having a phase grating formed of liquid crystal molecules |
| DE69429388T2 (de) * | 1993-07-23 | 2002-08-14 | Sharp K.K., Osaka | Flüssigkristall-Anzeigevorrichtung und Verfahren zu ihrer Herstellung |
| TW259845B (en, 2012) * | 1993-07-30 | 1995-10-11 | Sharp Kk | |
| US5689322A (en) * | 1993-07-30 | 1997-11-18 | Sharp Kabushiki Kaisha | Liquid crystal display device having regions with different twist angles |
| US5644415A (en) * | 1993-12-20 | 1997-07-01 | Casio Computer Co., Ltd. | Liquid crystal display device having wide field angle |
| WO1996011423A1 (en) * | 1994-10-06 | 1996-04-18 | Philips Electronics N.V. | Display device |
| JP4402280B2 (ja) * | 2000-11-22 | 2010-01-20 | シャープ株式会社 | 液晶表示装置 |
| JP2006072099A (ja) * | 2004-09-03 | 2006-03-16 | Seiko Epson Corp | 電気光学装置及びその製造方法、並びに電子機器 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3834792A (en) * | 1972-04-10 | 1974-09-10 | Ncr | Alignment film for a liquid crystal display cell |
| CA991735A (en) * | 1972-04-10 | 1976-06-22 | Ncr Corporation | Alignment film for a liquid crystal display cell and method of making same |
| JPS50138849A (en, 2012) * | 1974-04-23 | 1975-11-06 | ||
| JPS542580B2 (en, 2012) * | 1974-07-01 | 1979-02-09 | ||
| US3966305A (en) * | 1974-10-10 | 1976-06-29 | American Micro-Systems, Inc. | Liquid crystal cell with improved alignment |
| JPS5527323B2 (en, 2012) * | 1975-01-30 | 1980-07-19 |
-
1975
- 1975-05-22 US US05/579,969 patent/US3967883A/en not_active Expired - Lifetime
-
1976
- 1976-04-29 CA CA251,423A patent/CA1055590A/en not_active Expired
- 1976-04-29 IT IT49244/76A patent/IT1065898B/it active
- 1976-05-13 GB GB7619752A patent/GB1542071A/en not_active Expired
- 1976-05-13 DE DE2621140A patent/DE2621140B2/de not_active Withdrawn
- 1976-05-14 FR FR7614552A patent/FR2312046A1/fr not_active Withdrawn
- 1976-05-19 JP JP5848676A patent/JPS51144252A/ja active Granted
- 1976-05-20 CH CH637676A patent/CH608113A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH608113A5 (en, 2012) | 1978-12-15 |
| GB1542071A (en) | 1979-03-14 |
| US3967883A (en) | 1976-07-06 |
| IT1065898B (it) | 1985-02-25 |
| DE2621140B2 (de) | 1981-05-07 |
| JPS5513338B2 (en, 2012) | 1980-04-08 |
| FR2312046A1 (fr) | 1976-12-17 |
| JPS51144252A (en) | 1976-12-11 |
| DE2621140A1 (de) | 1976-12-09 |
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