JPS56164319A - Treatment of liquid crystal orientation - Google Patents

Treatment of liquid crystal orientation

Info

Publication number
JPS56164319A
JPS56164319A JP6861080A JP6861080A JPS56164319A JP S56164319 A JPS56164319 A JP S56164319A JP 6861080 A JP6861080 A JP 6861080A JP 6861080 A JP6861080 A JP 6861080A JP S56164319 A JPS56164319 A JP S56164319A
Authority
JP
Japan
Prior art keywords
liquid crystal
fixed direction
silane surfactant
rubbed
treatment
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.)
Pending
Application number
JP6861080A
Other languages
Japanese (ja)
Inventor
Toshio Tatemichi
Hiroshi Kawarada
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP6861080A priority Critical patent/JPS56164319A/en
Priority to US06/266,053 priority patent/US4402999A/en
Priority to EP81302293A priority patent/EP0040975A1/en
Publication of JPS56164319A publication Critical patent/JPS56164319A/en
Pending 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
    • 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
    • G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
    • G02F1/133719—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films with coupling agent molecules, e.g. silane

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)

Abstract

PURPOSE:To arrange uniformly the liquid crystal and pigment molecules in the fixed direction with a small angle of inclination by rubbing in the fixed direction the display surface of an electrode substrate and by treating the surface with a silane surfactant. CONSTITUTION:A glass substrate 1 equipped with a transparent electrode coated film 2 is cleaned, after drying, the surface is rubbed in the fixed direction. The surface of an electrode substrate 1 rubbed is then treated with a silane surfactant solution which is dissolved with an organic solvent to form a silane surfactant coated film 3. A pair of the electrode substrates 1, 1' which are subjected to this orientation treatment are placed so as to be parallel in orientation and reverse in direction each other and a mixture solution of a nematic liquid crystal 4 having a negative dielectric anisotropy and a dichromatic pigment 5 is enclosed. With this orientation treatment, a uniform and clear positive type display with large contrast is obtained.
JP6861080A 1980-05-22 1980-05-22 Treatment of liquid crystal orientation Pending JPS56164319A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP6861080A JPS56164319A (en) 1980-05-22 1980-05-22 Treatment of liquid crystal orientation
US06/266,053 US4402999A (en) 1980-05-22 1981-05-21 Method of preparation of substrates for liquid crystal display devices
EP81302293A EP0040975A1 (en) 1980-05-22 1981-05-22 Method of preparation of a substrate for a liquid crystal display device, a positive display type liquid crystal display device, and a method of constructing such a device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6861080A JPS56164319A (en) 1980-05-22 1980-05-22 Treatment of liquid crystal orientation

Publications (1)

Publication Number Publication Date
JPS56164319A true JPS56164319A (en) 1981-12-17

Family

ID=13378701

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6861080A Pending JPS56164319A (en) 1980-05-22 1980-05-22 Treatment of liquid crystal orientation

Country Status (1)

Country Link
JP (1) JPS56164319A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0481721A (en) * 1990-07-25 1992-03-16 Stanley Electric Co Ltd Manufacture of liquid crystal cell

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0481721A (en) * 1990-07-25 1992-03-16 Stanley Electric Co Ltd Manufacture of liquid crystal cell

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