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CA1024636A - Affichage a cristal liquide comprennant des couches de polymides - Google Patents

Affichage a cristal liquide comprennant des couches de polymides

Info

Publication number
CA1024636A
CA1024636A CA213,603A CA213603A CA1024636A CA 1024636 A CA1024636 A CA 1024636A CA 213603 A CA213603 A CA 213603A CA 1024636 A CA1024636 A CA 1024636A
Authority
CA
Canada
Prior art keywords
liquid crystal
crystal display
display assembly
polyimide layers
polyimide
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
Application number
CA213,603A
Other languages
English (en)
Other versions
CA213603S (en
Inventor
Gerard J. Sprokel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1024636A publication Critical patent/CA1024636A/fr
Expired legal-status Critical Current

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
    • G02F1/133345—Insulating layers

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (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)
CA213,603A 1973-12-06 1974-11-13 Affichage a cristal liquide comprennant des couches de polymides Expired CA1024636A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US422236A US3912366A (en) 1973-12-06 1973-12-06 Liquid crystal display assembly having polyimide layers

Publications (1)

Publication Number Publication Date
CA1024636A true CA1024636A (fr) 1978-01-17

Family

ID=23673969

Family Applications (1)

Application Number Title Priority Date Filing Date
CA213,603A Expired CA1024636A (fr) 1973-12-06 1974-11-13 Affichage a cristal liquide comprennant des couches de polymides

Country Status (6)

Country Link
US (1) US3912366A (fr)
JP (1) JPS5091345A (fr)
CA (1) CA1024636A (fr)
DE (1) DE2457465C2 (fr)
GB (1) GB1475565A (fr)
IT (1) IT1022785B (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3966305A (en) * 1974-10-10 1976-06-29 American Micro-Systems, Inc. Liquid crystal cell with improved alignment
JPS5510180B2 (fr) * 1974-12-04 1980-03-14
JPS5227654A (en) * 1975-08-27 1977-03-02 Dainippon Printing Co Ltd Electrooptical cell
DE2837257A1 (de) * 1977-04-12 1979-03-22 Sharp Kk Fluoreszenz-fluessigkristall-anzeigevorrichtung
NL7800584A (nl) * 1978-01-18 1979-07-20 Philips Nv Weergeefinrichting.
FR2462755A1 (fr) * 1979-07-27 1981-02-13 Thomson Csf Dispositif de visualisation a cristal liquide, et terminal telephonique comportant un tel dispositif
JPS5694386A (en) * 1979-12-27 1981-07-30 Suwa Seikosha Kk Liquiddcrystal display unit
US4456638A (en) * 1981-04-06 1984-06-26 Polytronix, Inc. Polymer packaging material for liquid crystal cell
US4456336A (en) * 1981-10-06 1984-06-26 Minnesota Mining And Manufacturing Company High brightness internal reflector for liquid crystal displays and its method of fabrication
US4422726A (en) * 1981-10-14 1983-12-27 Eaton Corporation Method of making an electro-optical display
JPS58205181A (ja) * 1982-05-26 1983-11-30 セイコーインスツルメンツ株式会社 マトリクス液晶表示装置
US4763995A (en) * 1983-04-28 1988-08-16 Canon Kabushiki Kaisha Spacers with alignment effect and substrates having a weak alignment effect
JP2721497B2 (ja) * 1984-03-19 1998-03-04 ケント・ステート・ユニバーシティ 光変調性物質の製造方法
US4647156A (en) * 1984-04-12 1987-03-03 Casio Computer Co., Ltd. Liquid crystal device
DE3526973A1 (de) * 1984-08-01 1986-02-06 Sharp Kk Blendfreier spiegel vom fluessigkristall-typ
JPS6145224A (ja) * 1984-08-10 1986-03-05 Alps Electric Co Ltd 液晶表示素子の製造方法
EP0184341B1 (fr) * 1984-11-12 1994-01-26 Semiconductor Energy Laboratory Co., Ltd. Ecran d'affichage à cristal liquide et sa méthode de fabrication
US4671618A (en) * 1986-05-22 1987-06-09 Wu Bao Gang Liquid crystalline-plastic material having submillisecond switch times and extended memory
US4673255A (en) * 1986-05-22 1987-06-16 John West Method of controlling microdroplet growth in polymeric dispersed liquid crystal
US4685771A (en) * 1985-09-17 1987-08-11 West John L Liquid crystal display material comprising a liquid crystal dispersion in a thermoplastic resin
JPS6285222A (ja) * 1986-05-30 1987-04-18 Dainippon Printing Co Ltd 液晶表示用電極基板の製造法
US4923421A (en) * 1988-07-06 1990-05-08 Innovative Display Development Partners Method for providing polyimide spacers in a field emission panel display
US8362151B2 (en) * 2002-05-31 2013-01-29 Elsicon, Inc. Hybrid polymer materials for liquid crystal alignment layers

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3179614A (en) * 1961-03-13 1965-04-20 Du Pont Polyamide-acids, compositions thereof, and process for their preparation
US3179634A (en) * 1962-01-26 1965-04-20 Du Pont Aromatic polyimides and the process for preparing them
US3600060A (en) * 1968-02-23 1971-08-17 Ncr Co Display device containing minute droplets of cholesteric liquid crystals in a substantially continuous polymeric matrix
US3625591A (en) * 1969-11-10 1971-12-07 Ibm Liquid crystal display element
US3612654A (en) * 1970-05-27 1971-10-12 Rca Corp Liquid crystal display device
US3656834A (en) * 1970-12-09 1972-04-18 Ibm Additive for liquid crystal material
US3694053A (en) * 1971-06-22 1972-09-26 Bell Telephone Labor Inc Nematic liquid crystal device
US3700306A (en) * 1971-09-22 1972-10-24 Ncr Co Electro-optic shutter having a thin glass or silicon oxide layer between the electrodes and the liquid crystal
US3836231A (en) * 1971-09-30 1974-09-17 Gen Electric Uniform liquid crystal cells and method for making the same
JPS5083051A (fr) * 1973-06-30 1975-07-04

Also Published As

Publication number Publication date
DE2457465A1 (de) 1975-06-12
US3912366A (en) 1975-10-14
GB1475565A (en) 1977-06-01
IT1022785B (it) 1978-04-20
JPS5091345A (fr) 1975-07-22
DE2457465C2 (de) 1981-12-03

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