WO2011039894A1 - Dispositif de fabrication d'un afficheur à cristaux liquides et procédé de fabrication d'un afficheur à cristaux liquides - Google Patents

Dispositif de fabrication d'un afficheur à cristaux liquides et procédé de fabrication d'un afficheur à cristaux liquides Download PDF

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Publication number
WO2011039894A1
WO2011039894A1 PCT/JP2009/068063 JP2009068063W WO2011039894A1 WO 2011039894 A1 WO2011039894 A1 WO 2011039894A1 JP 2009068063 W JP2009068063 W JP 2009068063W WO 2011039894 A1 WO2011039894 A1 WO 2011039894A1
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WO
WIPO (PCT)
Prior art keywords
liquid crystal
sealing agent
substrate
crystal display
sealant
Prior art date
Application number
PCT/JP2009/068063
Other languages
English (en)
Japanese (ja)
Inventor
岡本　守
Original Assignee
住友化学株式会社
大日本印刷株式会社
凸版印刷株式会社
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.)
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Application filed by 住友化学株式会社, 大日本印刷株式会社, 凸版印刷株式会社 filed Critical 住友化学株式会社
Priority to CN2009801617218A priority Critical patent/CN102549486A/zh
Priority to KR1020127006768A priority patent/KR101384453B1/ko
Publication of WO2011039894A1 publication Critical patent/WO2011039894A1/fr

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    • 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
    • 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
    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells

Definitions

  • the present invention relates to a liquid crystal display manufacturing apparatus and a liquid crystal display manufacturing method for manufacturing a liquid crystal display by bonding a pair of upper and lower substrates.
  • a liquid crystal display has a thin and light weight and low power consumption and is widely used.
  • an adhesive called a sealant is used to enclose liquid crystal between a pair of substrates. ing.
  • a sealing agent is used to enclose liquid crystal between a pair of substrates. If this sealing agent is in an uncured state, a phenomenon in which the components of the sealing agent dissolve into the liquid crystal. Or a part of the sealant is destroyed, and liquid crystal leaks from the destroyed part. As a result, the liquid crystal cell gap may be reduced, or moisture or the like may be mixed from the outside, resulting in a decrease in electrical characteristics and a liquid crystal display defect.
  • the adhesive strength of the sealant becomes weak and the bonded upper and lower substrates are easily peeled off.
  • the problem to be solved by the present invention is to reduce the occurrence of display defects by reliably curing the sealant, and to prevent the substrate from being easily peeled off from the surroundings (especially at the four corners).
  • An object of the present invention is to provide a liquid crystal display manufacturing apparatus and a liquid crystal display manufacturing method in which the substrate is difficult to peel and the yield is increased, thereby improving the reliability of the apparatus.
  • invention of Claim 1 is a liquid crystal display manufacturing apparatus which bonds the upper and lower substrates which make a pair, and manufactures a liquid crystal display, At least one of the pair of upper and lower substrates is a roll-shaped plastic film, A sealant drawing portion for providing a sealant drawing on the bonding surface of the one substrate; A liquid crystal dropping section for dropping liquid crystal on the bonding surface of the substrate in correspondence with the sealing agent drawing; A substrate bonding part for bonding the other substrate to the bonding surface of the substrate; It is a liquid crystal display manufacturing apparatus provided with the sealing agent hardening part which hardens the sealing agent drawing of the said sealing agent drawing of the said upper and lower board
  • Invention of Claim 2 is a liquid crystal display manufacturing apparatus which bonds the upper and lower substrates which make a pair, and manufactures a liquid crystal display, A sealant drawing portion for providing a sealant drawing on the bonding surface of the one substrate; a liquid crystal dropping unit for dropping liquid crystal on the bonding surface of the substrate in correspondence with the sealing agent drawing; A substrate bonding part for bonding the other substrate to the bonding surface of the substrate; It is a liquid crystal display manufacturing apparatus provided with the sealing agent hardening part which hardens the sealing agent drawing of the said sealing agent drawing of the said bonded upper and lower substrates in the said board
  • the invention according to claim 3 is the liquid crystal display manufacturing according to claim 1 or 2, characterized in that the manufacturing process waiting time from the substrate bonding part to the sealant curing part is 2 minutes or less. Device.
  • the invention according to claim 4 is characterized in that the sealant curing portion has ultraviolet irradiation means for irradiating the sealant with ultraviolet rays, and the sealant is an ultraviolet curable resin. 4.
  • the invention according to claim 5 is characterized in that the sealant curing portion has a heating means for heating the sealant, wherein the sealant is a thermosetting resin.
  • the sealant curing unit includes a cooling unit that cools the sealant. It is.
  • Invention of Claim 7 is a manufacturing method of the liquid crystal display which bonds the upper and lower substrates which make a pair, and manufactures a liquid crystal display, At least one of the pair of upper and lower substrates is a roll-shaped plastic film, A sealant drawing step of providing a sealant drawing on the bonding surface of the one substrate; A liquid crystal dropping step of dropping liquid crystal on the bonding surface of the substrate in correspondence with the sealing agent drawing; A substrate bonding step of bonding the other substrate to the bonding surface of the substrate; It is a manufacturing method of the liquid crystal display characterized by performing in order the sealing agent hardening process of hardening the said sealing agent drawing sealing agent of the said upper and lower board
  • the invention according to claim 8 is a liquid crystal display manufacturing method for manufacturing a liquid crystal display by bonding a pair of upper and lower substrates.
  • a sealant drawing step of providing a sealant drawing on the bonding surface of the one substrate;
  • a liquid crystal dropping step of dropping liquid crystal on the bonding surface of the substrate in correspondence with the sealing agent drawing;
  • a substrate bonding step of bonding the other substrate to the bonding surface of the substrate;
  • the sealing agent curing step of curing the sealing agent drawing sealant of the bonded upper and lower substrates in order, In the substrate bonding step, the sealing agent curing step is performed.
  • the invention according to claim 9 is characterized in that the manufacturing process waiting time from the pasting in the substrate pasting step to the start of curing in the sealant curing step is 2 minutes or less. 8.
  • the sealing agent in the sealing agent curing step, is an ultraviolet curable resin, and the sealing agent is cured by being irradiated with ultraviolet rays. It is a manufacturing method of a liquid crystal display given in any 1 paragraph.
  • the invention according to claim 11 is characterized in that, in the sealant curing portion, the sealant is a thermosetting resin, and the sealant is heated to be cured. 2.
  • the sealing agent curing step in the sealing agent curing step, the sealing agent is cooled and cured, and the method of manufacturing a liquid crystal display according to any one of the seventh to ninth aspects. It is.
  • the surface temperature of the upper and lower substrates when the sealing agent is cured is 30 ° C. or less. Is the method.
  • the present invention has the following effects.
  • substrate bonding part, and a sealing agent hardening part are provided in order of a manufacturing process, and an electrical characteristic falls by hardening a sealing agent reliably. This reduces the occurrence of display defects and prevents the substrate from being easily peeled off from the surroundings (especially at the four corners). The substrate is difficult to peel off during the manufacturing process, resulting in increased yield and device reliability. Will improve.
  • substrate bonding part are provided, and the sealing agent drawing sealant drawing of the upper and lower substrates bonded to this board
  • the manufacturing process standby time from the substrate bonding part to the sealant curing part is 2 minutes or less, and the sealant can be cured in a short time.
  • the sealing agent is an ultraviolet curable resin, and the sealing agent can be cured easily and reliably by irradiating the sealing agent with ultraviolet rays.
  • the sealing agent is a thermosetting resin, and the sealing agent can be easily and reliably cured by heating the sealing agent.
  • the electrical characteristics are lowered by performing the sealing agent drawing step, the liquid crystal dropping step, the substrate bonding step, and the sealing agent curing step in order, and curing the sealing agent with certainty.
  • the manufacturing process waiting time from the pasting in the substrate pasting step to the start of curing in the sealant curing step is 2 minutes or less, and the sealant can be cured in a short time.
  • the sealing agent is an ultraviolet curable resin, and the sealing agent can be easily and reliably cured by irradiating the sealing agent with ultraviolet rays.
  • the sealing agent is a thermosetting resin, and the sealing agent can be easily and reliably cured by heating the sealing agent.
  • the surface temperature of the upper and lower substrates when curing the sealing agent is 30 ° C. or less, and the sealing agent is simply and reliably used to suppress an increase in fluidity of the liquid crystal. It can be cured.
  • the liquid crystal display manufacturing apparatus and the liquid crystal display manufacturing method of this embodiment will be described with reference to FIG.
  • the liquid crystal display manufacturing apparatus of this embodiment manufactures an unwinding unit 1, a sealing agent drawing unit 2, a liquid crystal dropping unit 3, a substrate bonding unit 4, a sealing agent curing unit 5, and a cutting unit 6. Prepare in order of processing.
  • the plastic film web 90 is wound in a roll shape, unwinds at a predetermined speed during processing, and is transported by the transport mechanisms 10 and 11.
  • the web 90 is a plastic substrate and has a pattern 95 for alignment on the surface as shown in FIG.
  • the conveyance mechanisms 10 and 11 have a pair of conveyance rollers 10a and 11a arranged along the conveyance path 20, convey the web 90 unwound by the unwinding unit 1, and planarize the web 90 during conveyance. Support the state.
  • the sealant drawing unit 2 As shown in FIG. 2A, the sealant drawing is provided on the bonding surface of the web 90 by the sealant 50.
  • the sealant drawing is applied so that each part that operates by electricity of a plurality of display devices surrounds the entire outside thereof, but further, the part that operates by electricity of a plurality of display devices is surrounded by the whole. It may be given.
  • the drawing of the sealant is not limited to one that surrounds the entire exterior, but may be applied so as to surround a part of the exterior.
  • a liquid sealant placed in a syringe is ejected from an opening of the dispenser and applied.
  • This dispenser uses the one with small variation in the discharge amount of the opening at each position in the width direction of the opening row, and applies the sealing agent in a syringe while pushing it out, so that the sealing agent can be applied easily and reliably. Can be granted.
  • the sealing agent 50 that forms the drawing of the sealing agent is composed of an ultraviolet curable resin, a thermosetting resin, an adhesive, and the like.
  • the sealing agent 50 is applied to the web 90 to prevent gaps and in-plane deviation of the web 90 and to leak liquid crystal. To prevent.
  • the liquid crystal 51 is dropped on the web 90 corresponding to the sealing agent 50 as shown in FIG.
  • a sealing agent used for bonding is provided on the web 90, and the liquid crystal 51 can be dropped onto the web 90 in a portion surrounded and sealed by the sealing agent.
  • a liquid crystal display is manufactured by providing the liquid crystal 51.
  • the substrate bonding unit 4 includes a vacuum chamber 40, a flat stage 41, an alignment mechanism 42, and a bonding mechanism 43.
  • the vacuum chamber 40 includes a lower chamber portion 40a and an upper chamber portion 40b, and is configured to be closed with a web 90 to be conveyed interposed therebetween.
  • Each of the lower chamber portion 40a and the upper chamber portion 40b has surfaces 40a1 and 40b1 sandwiching the web 90.
  • the lower chamber portion 40a is disposed at a lower position with respect to the transfer surface L of the transfer path 20, and the upper chamber
  • the unit 40b is disposed at an upper position with respect to the conveyance surface L of the conveyance path 20.
  • the lower chamber portion 40a and the upper chamber portion 40b are brought into contact with the surfaces 40a1 and 40b1 sandwiched at the time of bonding to make the inside vacuum, and the surfaces 40a1 and 40b1 sandwiched when the web 90 is transported are separated and transported.
  • a flat stage 41 In the vacuum chamber 40, a flat stage 41, an alignment mechanism 42, and a bonding mechanism 43 are arranged.
  • the flat stage 41 sucks and fixes the web 90 to the flat surface 41a and holds the web 90 in a flat state.
  • a large number of adsorbing holes 41b are formed on the flat surface 41a, and the decompression device 41c communicating with the adsorbing holes 41b is driven to adsorb and fix the web 90 to the flat surface 41a.
  • the alignment mechanism 42 has, for example, a CCD camera 42 a, detects a pattern 95 for performing alignment provided on the web 90, and sends detection information of the pattern 95 to the control device 60.
  • the control device 60 controls the transport mechanism driving device 61, the bonding mechanism driving device 62, and the vacuum chamber driving device 63 based on the detection information of the pattern 95.
  • the transport mechanism driving device 61 is configured by a motor, a sensor, and the like, drives the unwinding unit 1 and the transport mechanisms 10 and 11, and transports the web 90 by a predetermined amount at a predetermined timing and a predetermined speed.
  • the laminating drive device 62 is composed of an elevating device that moves the laminating mechanism 43 up and down, a sensor that detects the position of elevating and the like, and drives the laminating mechanism 43.
  • the leaf sheet 91 is adsorbed and set.
  • the vacuum chamber driving device 63 includes a lifting device that lifts and lowers the vacuum chamber 40, a sensor that detects a position such as lifting and the like, a vacuum pump that vacuums the vacuum chamber 40, and the like.
  • the conveyance of the web 90 is temporarily stopped, the plane stage 41 is raised to the conveyance surface L, and the sheet 91 is attached to the liquid crystal 51 of the web 90 by the electrostatic chuck 43a. Is positioned on the dropped portion, and aligned with the web 90 on the flat stage 41, and then the vacuum pump of the vacuum chamber driving device 63 is driven to bring the inside of the vacuum chamber 40 into a vacuum state. 90 and another sheet 91 are bonded together.
  • disconnection part 6 are arrange
  • the sealant curing mechanism 5 cures the sealant after alignment and bonding. Precise bonding is possible by providing the sealing agent used for bonding on the web 90 and curing the sealing agent after alignment and bonding.
  • the sealing agent curing unit 5 includes an ultraviolet irradiation means 5a for irradiating the sealing agent 50 of the web 90 with ultraviolet rays, in which the sealing agent 50 is an ultraviolet curable resin.
  • the ultraviolet irradiating means 5a irradiates the ultraviolet rays to cure the ultraviolet curable resin, and can be cured easily and reliably without applying heat to the web 90 and deforming it.
  • the cutting unit 6 cuts the web 90 after curing the sealant. As described above, after the sealing agent is cured, the web 90 is cut so that the alignment and bonding are not shifted by cutting, and precise bonding is possible.
  • the cutting unit 6 uses a cutting device (dicing saw), and by this cutting, a liquid crystal display is manufactured by bonding the web 90 on which one or both of the circuits are formed and the sheet 91.
  • a portion 50 a is formed in which the sealing agent 50 comes into contact with the liquid crystal 51 in an uncured state and the components of the sealing agent 50 are dissolved in the liquid crystal 51.
  • the voltage holding ratio of the liquid crystal 51 is reduced by the portion 50a that melts into the liquid crystal 51.
  • FIG. 3B when the sealing agent 50 is not sufficiently cured, a part 50b of the sealing agent 50 is destroyed, and the liquid crystal 51 leaks from the destroyed part, and the liquid crystal is correspondingly discharged. A portion 51a where 51 does not exist or a portion where the portion 51 is reduced occurs, and the voltage holding ratio of the liquid crystal 51 is lowered.
  • the sealant drawing part 2, the liquid crystal dropping part 3, the substrate bonding part 4, and the sealant curing part 5 are provided in the order of the manufacturing process, and the sealant drawing process, the liquid crystal dropping process, and the substrate
  • the bonding step and the sealing agent curing step are performed in order, and the sealing agent 50 is surely cured to prevent the components of the sealing agent 50 from being dissolved in the liquid crystal 51, and a part 50b of the sealing agent 50 is destroyed. To prevent it.
  • Occurrence of display defects is reduced, and it is possible to prevent the substrate from being easily peeled from the periphery (especially at the four corners), and the substrate is difficult to peel off during the manufacturing process, thereby increasing the yield and improving the reliability of the device. .
  • substrate bonding part 4 to the sealing agent hardening part 5 is 2 minutes or less.
  • the control device 60 controls the transport mechanism driving device 61 to drive the unwinding unit 1 and the transport mechanisms 10 and 11, and the manufacturing process waiting time T1 from the substrate bonding unit 4 to the sealant curing unit 5 is 2 minutes or less.
  • sealing agent 50 in a short time by the sealing agent curing unit 5 because the manufacturing process standby time from the pasting in the substrate pasting step to the start of curing in the sealing agent curing step is 2 minutes or less. Can do.
  • substrate bonding part 4 to the sealing agent hardening part 5 is 2 minutes or less.
  • the control device 60 controls the transport mechanism driving device 61 to drive the unwinding unit 1 and the transport mechanisms 10 and 11, and the manufacturing process waiting time T2 from the substrate bonding unit 4 to the sealant curing unit 5 is 2 minutes or less.
  • FIG. 7 shows the sealant curing portion 5a of the first embodiment.
  • the sealing agent curing unit 5a of the first embodiment includes an ultraviolet irradiation means 5a1 that irradiates the sealing agent 50 with ultraviolet rays, and the sealing agent 50 is an ultraviolet curable resin.
  • the ultraviolet irradiation means 5a1 is irradiated from the ultraviolet light source 5a11 through the patterning mask 5a12.
  • the patterning mask 5a12 has a light shielding part 5a13 and a transmission part 5a14.
  • the ultraviolet light from the ultraviolet light source 5a11 is transmitted through only the portion of the sealant 50 that is desired to be cured by the transmitting portion 5a14, and the other portions are shielded from the ultraviolet light by the light shielding portion 5a13.
  • the patterning mask 5a12 is a metal mask made of SUS or the like with a hole formed in a portion corresponding to the seal portion, a glass mask obtained by patterning a black film on a glass substrate, and removing the black film only at a portion corresponding to the seal portion, etc. Can be used.
  • the patterning mask 5a12 is set at a distance of 1 to 2 mm above the upper and lower substrates of the sheet 91 and the web 90, and further, an ultraviolet light source 5a11 is set above the patterning mask 5a12. By irradiating, the radiant heat at the time of ultraviolet irradiation is absorbed by the light shielding portion 5a13 of the patterning mask 5a12, so that the temperature rise of the upper and lower substrate surfaces can be prevented.
  • FIG. 8 shows the sealant curing portion 5b of the second embodiment.
  • the sealant curing unit 5b of the second embodiment includes a heating unit 5b1 that heats the sealant 50, and the sealant 50 is a thermosetting resin.
  • the heating means 5b1 a heater that sends hot air, a heater, or the like can be used, and the sealing agent 50 can be heated and cured easily and reliably.
  • FIG. 9 shows the sealant curing portion 5c of the third embodiment.
  • the sealant curing unit 5 c according to the third embodiment includes a cooling unit 5 c 1 that cools the sealant 50.
  • the cooling means 5c1 can cure the sealing agent 50 easily and reliably by cooling the sealing agent 50.
  • the cooling means 5c1 can be configured to blow cold air. For example, cold air that has cooled the air is blown toward the upper and lower substrates of the bonded sheet 91 and web 90. By using this cooling means 5c1, the surface temperature of the upper and lower substrates can be lowered from 45 ° C. to 24-22 ° C., and the sealing agent 50 can be cured easily and reliably.
  • the cooling means 5c1 can be configured to spray dry ice.
  • dry ice or powdery dry ice powder is sprayed onto the surfaces of the upper and lower substrates bonded together.
  • this cooling means 5c1 the surface temperature of the upper and lower substrates can be lowered from 45 ° C. to 20 to 16 ° C., and the sealing agent 50 can be cured easily and reliably.
  • the planar stage 41 on which the bonded upper and lower substrates are placed is cooled.
  • the upper and lower substrates in contact with the flat stage 41 are indirectly cooled by circulating a flow path through which cold water flows inside the flat stage 41 on which the bonded upper and lower substrates before ultraviolet irradiation are placed.
  • the surface temperature of the upper and lower substrates can be lowered from 45 ° C. to 30 to 28 ° C.
  • the entire irradiation area of the ultraviolet rays can be cooled.
  • the surface temperature of the upper and lower substrates can be lowered from 45 ° C. to 28 to 26 ° C.
  • the surface temperature of the upper and lower substrates when the sealing agent 50 is cured is 30 ° C. or less, and the sealing agent 50 can be cured in a short time.
  • the present invention is applicable to a liquid crystal display manufacturing apparatus and a liquid crystal display manufacturing method for manufacturing a liquid crystal display by bonding a pair of upper and lower substrates, and the occurrence of display defects is reduced by reliably curing a sealant.
  • it is possible to prevent the substrate from being easily peeled off from the surroundings (particularly at the four corners), and the substrate is difficult to peel off during the manufacturing process, thereby increasing the yield and improving the reliability of the apparatus.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)

Abstract

La présente invention concerne un dispositif qui permet, grâce à une polymérisation fiable d'un agent d'étanchéité, de réduire le nombre d'occurrences de défauts d'affichage et qui empêche en outre le substrat de se détacher à la périphérie (et en particulier aux quatre coins) ; et durant le procédé de fabrication, du fait que le substrat ne se détache pas facilement, le rendement augmente et la fiabilité du dispositif s'améliore. Le dispositif de fabrication d'afficheur à cristaux liquides décrit fabrique des afficheurs à cristaux liquides par stratification de deux substrats inférieur et supérieur, au moins un des deux substrats inférieur et supérieur étant un rouleau de film plastique. Le dispositif décrit est pourvu, selon l'ordre du procédé de fabrication, d'une unité de création de motif d'agent d'étanchéité (2), qui crée le motif d'agent d'étanchéité sur la face de stratification d'un des substrats ; d'une unité d'application goutte à goutte de cristaux liquides (3), qui applique des cristaux liquides au goutte à goutte selon le motif d'agent d'étanchéité sur la face de stratification du substrat ; d'une unité de stratification de substrats (4) qui stratifie la face de stratification du substrat sur l'autre substrat ; et une unité de polymérisation d'agent d'étanchéité (5), qui polymérise l'agent d'étanchéité du motif d'agent d'étanchéité dans les substrats inférieur et supérieur joints.
PCT/JP2009/068063 2009-09-30 2009-10-20 Dispositif de fabrication d'un afficheur à cristaux liquides et procédé de fabrication d'un afficheur à cristaux liquides WO2011039894A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2009801617218A CN102549486A (zh) 2009-09-30 2009-10-20 液晶显示器制造装置以及液晶显示器的制造方法
KR1020127006768A KR101384453B1 (ko) 2009-09-30 2009-10-20 액정 디스플레이 제조 장치 및 액정 디스플레이 제조 방법

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009227345A JP2011075843A (ja) 2009-09-30 2009-09-30 液晶ディスプレイ製造装置及び液晶ディスプレイの製造方法
JP2009-227345 2009-09-30

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WO2011039894A1 true WO2011039894A1 (fr) 2011-04-07

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WO2015003412A1 (fr) * 2013-07-12 2015-01-15 深圳市华星光电技术有限公司 Procédé d'installation d'un panneau de verre et complexeuse sous vide l'utilisant
US9892943B2 (en) 2013-07-12 2018-02-13 Shenzhen China Star Optoelectronics Technology Co., Ltd Method for laminating glass panels and vacuum lamination device using same

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WO2019070033A1 (fr) * 2017-10-05 2019-04-11 住友化学株式会社 Procédé et appareil de fabrication d'élément optique

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