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JPS5752017A - Tacky-polarizing-plate defective removing device automatic tacky-polarizing-plate sticking machine - Google Patents

Tacky-polarizing-plate defective removing device automatic tacky-polarizing-plate sticking machine

Info

Publication number
JPS5752017A
JPS5752017A JP55109358A JP10935880A JPS5752017A JP S5752017 A JPS5752017 A JP S5752017A JP 55109358 A JP55109358 A JP 55109358A JP 10935880 A JP10935880 A JP 10935880A JP S5752017 A JPS5752017 A JP S5752017A
Authority
JP
Japan
Prior art keywords
polarizing
defective
plate
tacky
peeling
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.)
Granted
Application number
JP55109358A
Other languages
Japanese (ja)
Other versions
JPS6214810B2 (en
Inventor
Takeshi Nakamura
Susumu Kitamura
Masanobu Takada
Hideyuki Inukai
Kazunori Mizutani
Sanenobu Sonoda
Masamori Igarashi
Toshiharu Yoshida
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.)
Nitto Denko Corp
Sharp Corp
Original Assignee
Sharp Corp
Nitto 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 Sharp Corp, Nitto Electric Industrial Co Ltd filed Critical Sharp Corp
Priority to JP55109358A priority Critical patent/JPS5752017A/en
Publication of JPS5752017A publication Critical patent/JPS5752017A/en
Publication of JPS6214810B2 publication Critical patent/JPS6214810B2/ja
Granted 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
    • G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

PURPOSE:To simplify polarizing-plate working facilities by removing a defective part with minimum loss, by providng a means of peeling off only a polarizing plate, which is defective before being stuck among successive long-sized polarizing plates from a separator. CONSTITUTION:A defective removal device 10 consists of a peeling pawl 29 arranged over a polarizing plate tape 3 drawn forth from above a tool rest 22 and rocking around a pivot 28, a cylinder 30 rocking the peeling pawl 29, and a film 31 which is made of polyester, etc., and, while running right over the polarizing plate tape 3 in the opposite direction, receives a deflective polarizing plate 4a over the peeling pawl 29 to displace it. Once a sensor 25 detects a defective 3a, the cylinder 30 extends to rotate the peeling pawl 29 downward, thereby peeling the defective polarizing plate 4a from a separator 6. Consequently, only the defective polrizing plate is peeled off locally, so the waste of polarizing plates is minimized.
JP55109358A 1980-08-08 1980-08-08 Tacky-polarizing-plate defective removing device automatic tacky-polarizing-plate sticking machine Granted JPS5752017A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55109358A JPS5752017A (en) 1980-08-08 1980-08-08 Tacky-polarizing-plate defective removing device automatic tacky-polarizing-plate sticking machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55109358A JPS5752017A (en) 1980-08-08 1980-08-08 Tacky-polarizing-plate defective removing device automatic tacky-polarizing-plate sticking machine

Publications (2)

Publication Number Publication Date
JPS5752017A true JPS5752017A (en) 1982-03-27
JPS6214810B2 JPS6214810B2 (en) 1987-04-03

Family

ID=14508197

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55109358A Granted JPS5752017A (en) 1980-08-08 1980-08-08 Tacky-polarizing-plate defective removing device automatic tacky-polarizing-plate sticking machine

Country Status (1)

Country Link
JP (1) JPS5752017A (en)

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WO2007058023A1 (en) * 2005-11-17 2007-05-24 Nitto Denko Corporation System and method for manufacturing optical display
WO2009072469A1 (en) * 2007-12-06 2009-06-11 Nitto Denko Corporation Polarizing plate and image display device
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WO2009075224A1 (en) * 2007-12-11 2009-06-18 Nitto Denko Corporation Method for manufacturing optical display device and system for manufacturing optical display device
WO2009087895A1 (en) * 2008-01-09 2009-07-16 Nitto Denko Corporation Manufacturing system of optical display device and manufacturing method of optical display device
WO2009096388A1 (en) * 2008-01-29 2009-08-06 Nitto Denko Corporation Method of manufacturing optical display unit and manufacturing system of optical display unit
WO2009125771A1 (en) 2008-04-08 2009-10-15 日東電工株式会社 Manufacturing system for an optical display device, manufacturing method for an optical display device, removal device, and removal method
WO2009128122A1 (en) * 2008-04-15 2009-10-22 日東電工株式会社 Laminate roll of optical film and process and apparatus for producing the same
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WO2016072359A1 (en) * 2014-11-05 2016-05-12 住友化学株式会社 Method for manufacturing polarization plate sheet

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JP4478726B2 (en) * 2008-10-17 2010-06-09 シャープ株式会社 Sheet laminated body cutting method and cutting apparatus therefor, optical sheet laminated body, and backlight unit using the same

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