IT1065898B - Procedimento per la fabbricazione di dispositivi a cristallo liquido con molecole superficiali allineate - Google Patents
Procedimento per la fabbricazione di dispositivi a cristallo liquido con molecole superficiali allineateInfo
- Publication number
- IT1065898B IT1065898B IT49244/76A IT4924476A IT1065898B IT 1065898 B IT1065898 B IT 1065898B IT 49244/76 A IT49244/76 A IT 49244/76A IT 4924476 A IT4924476 A IT 4924476A IT 1065898 B IT1065898 B IT 1065898B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- manufacture
- liquid crystal
- surface molecules
- crystal devices
- Prior art date
Links
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 |
---|---|
IT1065898B true IT1065898B (it) | 1985-02-25 |
Family
ID=24319098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49244/76A IT1065898B (it) | 1975-05-22 | 1976-04-29 | Procedimento per la fabbricazione di dispositivi a cristallo liquido con molecole superficiali allineate |
Country Status (8)
Country | Link |
---|---|
US (1) | US3967883A (it) |
JP (1) | JPS51144252A (it) |
CA (1) | CA1055590A (it) |
CH (1) | CH608113A5 (it) |
DE (1) | DE2621140B2 (it) |
FR (1) | FR2312046A1 (it) |
GB (1) | GB1542071A (it) |
IT (1) | IT1065898B (it) |
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 (it) * | 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 (it) * | 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 (it) * | 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 (it) * | 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 |
EP0030879B1 (fr) * | 1979-12-07 | 1984-07-25 | Thomson-Csf | Mélange de cristaux liquides disquotiques, dispositif électrooptique utilisant un tel mélange, et procédé d'orientation des molécules du mélange |
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 |
CA2114459C (en) * | 1993-01-29 | 1999-09-07 | Shigeaki Mizushima | Liquid crystal display apparatus with a substrate having a rough alignment layer, and a method for producing the same |
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 |
EP0635748B1 (en) * | 1993-07-23 | 2001-12-12 | Sharp Kabushiki Kaisha | Liquid crystal display apparatus and method for producing the same |
US5689322A (en) * | 1993-07-30 | 1997-11-18 | Sharp Kabushiki Kaisha | Liquid crystal display device having regions with different twist angles |
TW259845B (it) * | 1993-07-30 | 1995-10-11 | Sharp Kk | |
US5644415A (en) * | 1993-12-20 | 1997-07-01 | Casio Computer Co., Ltd. | Liquid crystal display device having wide field angle |
EP0733228B1 (en) * | 1994-10-06 | 2003-04-23 | Koninklijke 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 |
---|---|---|---|---|
CA991735A (en) * | 1972-04-10 | 1976-06-22 | Ncr Corporation | Alignment film for a liquid crystal display cell and method of making same |
US3834792A (en) * | 1972-04-10 | 1974-09-10 | Ncr | Alignment film for a liquid crystal display cell |
JPS50138849A (it) * | 1974-04-23 | 1975-11-06 | ||
JPS542580B2 (it) * | 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 (it) * | 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 DE DE2621140A patent/DE2621140B2/de not_active Withdrawn
- 1976-05-13 GB GB7619752A patent/GB1542071A/en not_active Expired
- 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 |
---|---|
CA1055590A (en) | 1979-05-29 |
GB1542071A (en) | 1979-03-14 |
DE2621140A1 (de) | 1976-12-09 |
JPS5513338B2 (it) | 1980-04-08 |
CH608113A5 (it) | 1978-12-15 |
US3967883A (en) | 1976-07-06 |
JPS51144252A (en) | 1976-12-11 |
FR2312046A1 (fr) | 1976-12-17 |
DE2621140B2 (de) | 1981-05-07 |
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