JPS57147615A - Production of liquid crystal display element - Google Patents

Production of liquid crystal display element

Info

Publication number
JPS57147615A
JPS57147615A JP3411881A JP3411881A JPS57147615A JP S57147615 A JPS57147615 A JP S57147615A JP 3411881 A JP3411881 A JP 3411881A JP 3411881 A JP3411881 A JP 3411881A JP S57147615 A JPS57147615 A JP S57147615A
Authority
JP
Japan
Prior art keywords
liquid crystal
cell
injection
heated
sealant
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
JP3411881A
Other languages
Japanese (ja)
Inventor
Yukinobu Matsuoka
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.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric 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 Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Priority to JP3411881A priority Critical patent/JPS57147615A/en
Publication of JPS57147615A publication Critical patent/JPS57147615A/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
    • G02F1/1341—Filling or closing of cells

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)

Abstract

PURPOSE:To perform sealing without causing the disturbance of orientation and foam by injecting a preheated liquid crystal into a cell which is heated to above the temp. of said liquid crystal then coating a sealant in the injection port and sealing said port. CONSTITUTION:A liquid crystal cell is heated to at least 80 deg.C or above (90- 130 deg.C), and a liquid crystal heated to 60-65 deg.C is injected therein. This injection is accomplished by utilizing the difference in the atmospheric pressures in and out of the cell. After the injection, the liquid crystal is temporarily heated and therefore it turns isotropic. This reduces the injection time and makes the generation of foam in the cell difficult. After the liquid crystal is thoroughly injected, the liquid crystal stuck near the injection port is removed without pressurizing the cell, and a sealant is coated in the injection port. Upon cooling of the cell, the sealant introduces into the injection port and sets. Since the liquid crystal turns isotropic temporarily after the injection, the need for an aging stage is eliminated. Also, the need for a stage of forcing out the liquid crystal by pressurizing the cell is eliminated.
JP3411881A 1981-03-10 1981-03-10 Production of liquid crystal display element Pending JPS57147615A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3411881A JPS57147615A (en) 1981-03-10 1981-03-10 Production of liquid crystal display element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3411881A JPS57147615A (en) 1981-03-10 1981-03-10 Production of liquid crystal display element

Publications (1)

Publication Number Publication Date
JPS57147615A true JPS57147615A (en) 1982-09-11

Family

ID=12405338

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3411881A Pending JPS57147615A (en) 1981-03-10 1981-03-10 Production of liquid crystal display element

Country Status (1)

Country Link
JP (1) JPS57147615A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62231213A (en) * 1986-03-31 1987-10-09 Stanley Electric Co Ltd Method for injecting liquid crystal into liquid crystal cell

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62231213A (en) * 1986-03-31 1987-10-09 Stanley Electric Co Ltd Method for injecting liquid crystal into liquid crystal cell

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