WO2018061853A1 - 液晶材料貯蔵容器 - Google Patents

液晶材料貯蔵容器 Download PDF

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Publication number
WO2018061853A1
WO2018061853A1 PCT/JP2017/033641 JP2017033641W WO2018061853A1 WO 2018061853 A1 WO2018061853 A1 WO 2018061853A1 JP 2017033641 W JP2017033641 W JP 2017033641W WO 2018061853 A1 WO2018061853 A1 WO 2018061853A1
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WO
WIPO (PCT)
Prior art keywords
liquid crystal
crystal material
container body
recess
storage container
Prior art date
Application number
PCT/JP2017/033641
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English (en)
French (fr)
Japanese (ja)
Inventor
須藤　豪
和樹 栗沢
Original Assignee
Dic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.)
Filing date
Publication date
Application filed by Dic株式会社 filed Critical Dic株式会社
Priority to JP2018524304A priority Critical patent/JPWO2018061853A1/ja
Publication of WO2018061853A1 publication Critical patent/WO2018061853A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/38—Devices for discharging contents
    • 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

Definitions

  • the present invention relates to a liquid crystal material storage container.
  • a liquid crystal material used for a liquid crystal display device or the like is a liquid composition in which a plurality of types of compounds are mixed, and is conventionally stored and transported in a state of being accommodated in a glass bottle or the like.
  • a large metal storage container has been used in order to accommodate a large amount of liquid crystal material.
  • Patent Document 1 discloses a steel storage container that encloses a liquid crystal material by replacing an internal gas with a protective gas. Thus, by making a storage container metal, it becomes easy to enlarge compared with the case where it forms with glass.
  • Patent Document 1 has a structure in which a liquid crystal material is taken out by a liquid feed tube extending from above to near the bottom of the container body.
  • a certain gap is formed between the liquid feeding tube and the bottom of the container main body, and in the storage container disclosed in Patent Document 1, the liquid crystal material remains in a wide area at the bottom of the container main body. .
  • the storage container disclosed in Patent Document 1 it is difficult to take out a lot of liquid crystal material from the container body, and there is a problem that the waste of the liquid crystal material increases.
  • the present invention has been made in view of the above-described problems, and an object of the present invention is to provide a liquid crystal material storage container that can reduce the number of liquid crystal materials that are difficult to take out from the container body and can effectively use the liquid crystal material.
  • the present invention adopts the following configuration as means for solving the above-described problems.
  • a first aspect of the present invention is a liquid crystal material storage container capable of storing a liquid crystal material, the container body having an opening at the top and a recess recessed downward at a part of the bottom, and the container body A configuration is employed in which the opening is openable and closable.
  • the second invention adopts a configuration in which, in a plan view, the bottom portion of the container body is circular and the concave portion is arranged at the center of the bottom portion in the first invention.
  • the third invention adopts a configuration in which the upper surface of the bottom portion of the container body is an inclined surface that descends toward the recess in the first or second invention.
  • the fourth invention employs a configuration in any one of the first to third inventions, including a protective wall that is fixed to the outer wall surface of the container body and covers the concave portion outside the container body.
  • the protective wall surrounds the entire periphery of the recess from the side and extends downward from the outer wall surface of the bottom of the container body to the lower end of the recess.
  • a configuration that is a surrounding wall is adopted.
  • the container body in any one of the first to fifth inventions, includes a cylindrical central portion having upper and lower ends as open ends, the open portion, and an upper end of the central portion.
  • a configuration is adopted in which the upper end portion is joined and the lower end portion is joined to the lower end of the central portion while having the bottom portion.
  • the seventh invention employs a configuration in which in any one of the first to sixth inventions, the container body is formed of a material mainly composed of titanium.
  • the bottom of the container body is formed with a recess that is recessed downward.
  • the recess is formed so as to be recessed below the surrounding surface (the upper surface of the bottom). For this reason, the liquid crystal material remaining at the bottom of the container body is accumulated in the recess. That is, according to the present invention, the liquid crystal material remaining at the bottom can be locally collected in the recess. Therefore, according to the present invention, it becomes easier to take out the remaining liquid crystal material from the container body as compared with the case where the liquid crystal material remains in a wide range at the bottom of the container body. Therefore, according to the present invention, it is possible to reduce the number of liquid crystal materials that are difficult to take out from the container body and effectively use the liquid crystal materials.
  • FIG. 1 is an external view of a liquid crystal material storage container 1 of the present embodiment capable of storing a liquid crystal material, (a) is a plan view, and (b) is a side view.
  • FIG. 2 is a longitudinal sectional view of the liquid crystal material storage container 1 of the present embodiment.
  • the liquid crystal material storage container 1 of the present embodiment includes a container body 2, a leg 3 (protective wall), a lid 4, a lid packing 5, and a fastening portion 6. I have.
  • the container body 2 has a bottomed cylindrical container shape having an opening at the top, and can accommodate a liquid crystal material therein.
  • the container body 2 includes a cylindrical side wall 2a centering on the axis L shown in FIG. 2, a bottom 2b for closing the lower end of the side wall 2a, and an upper wall 2c connected to the upper end of the side wall 2a. Are integrally connected.
  • the bottom part 2b is a circular disk-shaped part whose outer edge part is along the cylindrical side wall part 2a, and has a concave part 2b1 in the center part in the plan view.
  • the recess 2b1 is formed so as to be further depressed downward with respect to the surrounding region, and is a portion where the liquid crystal material remaining on the bottom 2b is collected.
  • Such a recess 2b1 is formed at a position overlapping a later-described liquid feed tube 4b3 provided in the lid 4 in plan view, and the plan view shape is a circular shape having a slightly larger diameter than the liquid feed tube 4b3. ing.
  • the recess 2b1 has a shape in which the inner wall surface becomes a tapered surface by constricting toward the center position so that the center position in plan view is located at the lowest position.
  • the inner surface and the outer surface of the concave portion 2b1 are smooth surfaces having no bent portions, and are smoothly connected to the peripheral surface of the concave portion 2b1.
  • the inner surface and the outer surface of the concave portion 2b1 are smoothly connected to the peripheral surface of the concave portion 2b1 without bending, so that a large stress acts locally on the boundary region of the concave portion 2b1 and the concave portion 2b1.
  • the strength of the container body 2 is improved.
  • the peripheral region 2b2 of the recess 2b1 is a portion surrounding the recess 2b1 in plan view, and the upper surface is an inclined surface that continuously descends toward the recess 2b1.
  • the upper surface of the surrounding region 2b2 is set to have a smaller inclination angle with respect to the horizontal plane than the inner wall surface of the recess 2b1. That is, the upper surface of the peripheral region 2b2 is a gentle inclined surface as compared with the inner wall surface of the recess 2b1.
  • the peripheral region 2b2 of the recess 2b1 guides the liquid crystal material remaining on the bottom 2b toward the recess 2b1. Note that the inclination angle of the upper surface of the surrounding region 2b2 does not have to be uniform throughout the surrounding region 2b2.
  • the inclination angle of the outer region in the radial direction of the surrounding region 2b2 (ie, the region close to the side wall 2a) with respect to the horizontal plane is set to be larger than the inclination angle of the inner region in the radial direction (ie, the region close to the recess 2b1) You may make it enlarge.
  • the change in the inclination angle is continuous. By making the change in the inclination angle continuous, it is possible to prevent the occurrence of a bent portion in the surrounding region 2b2.
  • the container body 2 has a recess 2b1 that is recessed downward in a part of the bottom 2b. For this reason, the liquid crystal material remaining on the bottom 2b tends to gather in the recess 2b1. Therefore, the liquid crystal material remaining on the bottom 2b can be locally collected on a part of the bottom 2b.
  • the liquid crystal material remaining on the bottom 2b is collected in the recess 2b1 along the peripheral region 2b2 whose upper surface is inclined as described above over a certain period of time.
  • the volume of the space surrounded by the recess 2b1 (the space in which the liquid crystal material accumulates) is such that the liquid crystal material temporarily attached to the surrounding region 2b2 by surface tension is guided to the recess 2b1 along the inclination of the surrounding region 2b2. It is desirable to set so that all of the collected liquid crystal material can be accommodated.
  • the amount of the liquid crystal material that temporarily adheres to the surrounding area 2b2 due to surface tension can be estimated in advance by experiments or the like based on the inclination angle of the surrounding area 2b2, the surface property of the surrounding area 2b2, the viscosity of the liquid crystal material, and the like. it can.
  • the upper wall portion 2c of the container body 2 has a shoulder portion 2c1 connected to the upper end of the side wall portion 2a, and a mouth portion 2c2 that is arranged at the center in plan view and protrudes upward from the shoulder portion 2c1.
  • the mouth 2c2 has a cylindrical shape whose upper and lower ends are open ends, and an area surrounded by the mouth 2c2 is an opening of the container body 2 (hereinafter referred to as an opening 2d). That is, the container body 2 has an opening 2d for taking in and out the liquid crystal material at the top.
  • a flange 2c3 for contacting the lid 4 is formed at the upper end of the mouth 2c2.
  • the flange 2c3 is disposed so as to surround the opening 2d in a plan view, and is formed to protrude outward in the radial direction of the opening 2d with respect to the lower portion of the mouth 2c2.
  • a plurality of bolt insertion holes 2c4 penetrating vertically are formed discretely (four in this embodiment) in the circumferential direction of the opening 2d.
  • An annular groove portion into which the lid packing 5 is fitted is formed on the upper surface of the flange 2c3.
  • the size of the container body 2 is not particularly limited, but can be set so that, for example, the liquid crystal material has a capacity that is full at 10 L.
  • the outer diameter of the container body 2 is about 200 mm and the height is about 300 mm.
  • the container body 2 can be sufficiently sized to accommodate 100 L of liquid crystal material.
  • Such a container body 2 is preferably made of a material mainly composed of titanium.
  • the raw material which has titanium as a main component includes the pure titanium which consists only of titanium, the composite material containing substances other than pure titanium, and a titanium alloy. That is, the container body 2 can be formed of pure titanium, can be formed of a composite material in which other substances are mixed in addition to pure titanium, and can be formed of a titanium alloy. is there.
  • FIG. 3 is an enlarged perspective view including the legs 3 of the liquid crystal material storage container 1 of the present embodiment.
  • the leg portion 3 has a bottomed cylindrical shape whose upper end is an open end, and includes a peripheral wall portion 3a directly fixed to the container body 2 and a bottom wall portion 3b connected to the lower end of the peripheral wall portion 3a. Have.
  • the peripheral wall 3a is fixed to the container body 2 by welding the upper end to the outer wall surface of the bottom 2b of the container body 2, and surrounds the entire circumference of the recess 2b1 provided on the bottom 2b of the container body 2 from the side. Yes.
  • the peripheral wall portion 3 a has a height dimension such that the lower end is positioned below the lower end of the recess 2 b 1. That is, the peripheral wall 3a extends below the lower wall of the recess 2b1 from the outer wall surface of the bottom 2b.
  • the bottom wall portion 3b has a circular outer peripheral edge along the peripheral wall portion 3a in plan view, and covers the concave portion 2b1 provided on the bottom portion 2b of the container body 2 from below.
  • the bottom wall portion 3b has a curved shape such that the center portion in plan view is located above the outer edge portion. For this reason, when the leg part 3 contact
  • the present embodiment is provided for a mounting surface having irregularities as compared with the case where the bottom wall portion 3b is a flat plate.
  • the liquid crystal material storage container 1 can be stably placed.
  • Such a leg 3 functions as a protective wall that covers the recess 2b1 provided on the bottom 2b of the container body 2 with the outside (outside) of the container body 2.
  • the leg part 3 functioning as a protective wall is a surrounding wall that surrounds the entire circumference of the recess 2b1 from the side and extends from the outer wall surface of the bottom 2b of the container body 2 to below the lower end of the recess 2b1.
  • this leg part 3 it arrange
  • the material for forming the leg 3 is not particularly limited, but can be formed of a material containing titanium as a main component in the same manner as the container body 2.
  • the leg 3 By forming the leg 3 from the same material as the container main body 2, it becomes easy to join the leg 3 to the container main body 2, and it is possible to suppress a change with time at the junction between the container main body 2 and the leg 3. it can.
  • the lid 4 is a member that closes the opening 2d of the container body 2 and is fastened to the container body 2 by a fastening portion 6.
  • FIG. 4 is an overall view of the lid portion 4, (a) is a plan view, and (b) is a longitudinal sectional view. As shown in these drawings, the lid portion 4 includes a lid body 4a, a liquid feeding portion 4b, and an air feeding portion 4c.
  • the lid body 4a is a disk-shaped member having the same diameter as the flange 2c3 of the container body 2, and is directly fixed to the opening 2d by being fixed to the flange 2c3 by the fastening portion 6.
  • a bolt insertion hole 4a1 is formed in the lid main body 4a at a position overlapping the bolt insertion hole 2c4 provided in the flange 2c3 in plan view.
  • four bolt insertion holes 2c4 are provided in the flange 2c3 at regular intervals in the circumferential direction, and therefore, the bolt body 4a is also provided with four bolt insertion holes 4a1 at the same interval. ing.
  • These bolt insertion holes 4a1 provided in the lid body 4a have the same diameter as the bolt insertion holes 2c4 provided in the flange 2c3.
  • the lid main body 4a is provided with a liquid feeding portion mounting hole 4a2 at the center in plan view, and an air feeding portion mounting hole 4a3 is provided at a position displaced with respect to the liquid feeding portion mounting hole 4a2.
  • the liquid feed part mounting hole 4a2 is a round hole formed at a position overlapping the shaft core L shown in FIG. 2, and penetrates the lid body 4a in the vertical direction.
  • the base 4b1 of the liquid feed part 4b is fitted into the liquid feed part mounting hole 4a2.
  • the air feeding portion mounting hole 4a3 is a round hole formed at a position displaced in the radial direction of the lid body 4a with respect to the liquid feeding portion mounting hole 4a2 in plan view, and penetrates the lid body 4a in the vertical direction. Yes.
  • the base portion 4c1 of the air feeding portion 4c is fitted into the air feeding portion mounting hole 4a3.
  • the liquid feeding unit 4b is a part that sends out the liquid crystal material stored in the container body 2 when the liquid crystal material is taken out of the container body 2.
  • FIG. 5 is an enlarged view of a region A in FIG. 4 including the liquid feeding unit 4b and the air feeding unit 4c.
  • the liquid feeding part 4b includes a base part 4b1, a gasket 4b2, a liquid feeding pipe 4b3, and a cap 4b4.
  • the base part 4b1 of the liquid feeding part 4b is a columnar member fitted in the liquid feeding part mounting hole 4a2, and a through hole 4b5 penetrating vertically is formed in the central part in plan view.
  • the lower portion of the base portion 4b1 is joined to the lid body 4a by welding or screwing, and the upper portion projects upward from the lid body 4a.
  • a male screw portion 4b6 for screwing the cap 4b4 is formed on the outer peripheral surface of the upper portion of the base portion 4b1.
  • a female screw portion 4b7 for screwing the liquid feeding tube 4b3 is formed on the inner peripheral surface of the lower portion of the base portion 4b1.
  • the through-hole 4b5 provided in the base 4b1 is set to the same diameter as the inner diameter of the liquid feeding tube 4b3 except for the lower part.
  • the through hole 4b5 has a lower region whose diameter is increased with respect to the upper region, and a female screw portion 4b7 is formed at the increased diameter portion.
  • the lower region of the through hole 4b5 is expanded in diameter relative to the upper region by the same amount as the pipe thickness of the liquid feed tube 4b3.
  • the gasket 4b2 is fitted inside the through hole 4b5 so as to be disposed at the uppermost end of the enlarged diameter region (lower region) of the through hole 4b5 provided in the base portion 4b1, and contacts the upper end of the liquid feed tube 4b3. It is touched.
  • the gasket 4b2 is an annular seal member having an opening at the center, and the diameter of the opening is set to be the same as the inner diameter of the liquid feeding tube 4b3.
  • Such a gasket 4b2 prevents liquid crystal from leaking out at the boundary portion between the base portion 4b1, the liquid feed tube 4b3. It is also possible to adopt a configuration in which the gasket 4b2 is not installed. In the case of adopting such a configuration, for example, the base 4b1 and the liquid feed tube 4b3 are joined by welding, adhesion, or the like, and the base 4b1 and the liquid feed tube 4b3 are integrated.
  • the liquid feed pipe 4b3 is a straight pipe having a male screw part 4b8 formed on the outer peripheral surface of the upper end part, and the male screw part 4b8 is fixed to the base part 4b1 by screwing with a female screw part 4b7 formed in the base part 4b1.
  • the lower end of the liquid feed tube 4b3 is positioned in a space (a space in which liquid crystal material is accumulated) surrounded by a recess 2b1 provided in the bottom 2b of the container body 2.
  • Such a liquid feed tube 4b3 guides the liquid crystal material stored in the container body 2 toward the outside of the container body 2.
  • the inner wall surface of the through hole 4b5 of the base portion 4b1, the inner wall surface of the opening of the gasket 4b2, and the inner wall surface of the liquid feeding tube 4b3 are provided. It is continuous and continuous. For this reason, the flow of the liquid crystal material guided in the order of the liquid feed pipe 4b3, the opening of the gasket 4b2, and the through-hole 4b5 is not hindered, and the liquid crystal material can flow smoothly.
  • the cap 4b4 has a female screw part 4b9 that is screwed into a male screw part 4b6 provided on the upper part of the base part 4b1, and the female screw part 4b9 is screwed into the male screw part 4b6, thereby penetrating the base part 4b1. It is a member that closes the hole 4b5.
  • the cap 4b4 is detachable from the base 4b1, and is detached from the base 4b1 when the liquid crystal material is taken out from the inside of the container body 2.
  • the air feeding part 4c is a part for supplying an inert gas to the inside of the container body 2 when the liquid crystal material is taken out of the container body 2.
  • the air feeding part 4c has a base part 4c1 and a cap 4c2.
  • the gas supplied to the inside of the container main body 2 through the air feeding part 4c is not restricted to an inert gas.
  • high-purity air or air may be supplied to the inside of the container body 2 through the air feeding part 4c.
  • the base portion 4c1 of the air feeding portion 4c is a columnar member fitted into the air feeding portion mounting hole 4a3, and a through hole 4c3 penetrating vertically is formed in the center portion in plan view.
  • the lower portion of the base portion 4c1 is joined to the lid main body 4a by welding, screwing, or the like, and the upper portion projects upward from the lid main body 4a.
  • a male screw portion 4c4 for screwing the cap 4c2 is formed on the outer peripheral surface of the upper portion of the base portion 4c1.
  • the cap 4c2 has a female screw part 4c5 that is screwed into a male screw part 4c4 provided on the upper part of the base part 4c1, and the female screw part 4c5 is screwed into the male screw part 4c4, thereby penetrating the base part 4c1. It is a member that closes the hole 4c3.
  • the cap 4c2 is detachable from the base 4c1, and is detached from the base 4c1 when supplying an inert gas into the container body 2.
  • the lid packing 5 is fitted in an annular groove provided on the upper surface of the flange 2c3 of the container body 2.
  • the lid packing 5 is formed of a material that does not alter itself and the liquid crystal material even when the liquid crystal material is touched, for example.
  • Such a lid portion packing 5 is sandwiched between the lid body 4a of the lid portion 4 and the flange 2c3 of the container body 2 from above and below, and the liquid crystal material leaks from the boundary portion between the lid portion 4 and the container body 2. To prevent that. *
  • the fastening part 6 is a member for fastening the lid part 4 to the container body 2 and is constituted by bolts 6a and nuts 6b.
  • the fastening portions 6 are provided in the same number as the bolt insertion holes 4a1 provided in the lid body 4a (that is, the same number as the bolt insertion holes 2c4 provided in the flange 2c3 of the container body 2).
  • the bolt 6a is inserted through a bolt insertion hole 4a1 and a bolt insertion hole 2c4 that are arranged one above the other.
  • the nut 6b is screwed to the lower end of the bolt 6a inserted through the bolt insertion hole 4a1 and the bolt insertion hole 2c4.
  • the lid 4 is fastened to the container body 2 by being sandwiched between the head of the bolt 6a and the nut 6b from above and below.
  • the lid body 4a can be fastened to the flange 2c3 by a clamp mechanism instead of the fastening portion 6.
  • the liquid crystal material storage container 1 of the present embodiment having such a configuration is manufactured by manufacturing the container body 2, joining the legs 3 to the container body 2, and attaching the lid 4 to the container body 2.
  • the container body 2 is manufactured by dividing the container body 2 into three parts and welding each part after forming as shown in an exploded perspective view including the container body 2 in FIG.
  • the container body 2 has a cylindrical central portion 10 whose upper and lower ends are open ends, an upper end portion 11 including an opening portion 2 d, and a lower end portion including a bottom portion 2 b. 12 parts are divided into three parts, and each part is formed. Thereafter, the upper end portion 11 is joined to the upper end of the central portion 10 by TIG welding or the like, and the lower end portion 12 is joined to the lower end of the central portion 10 by TIG welding or the like.
  • the number of weld beads is not limited to two.
  • a weld bead is formed vertically with respect to the central portion 10. In such a case, even if the container body 2 is formed by three parts including the central portion 10, the upper end portion 11, and the lower end portion 12, the number of weld beads is three.
  • the container body 2 is formed by dividing the container body 2 into the above-described central portion 10, the upper end portion 11, and the lower end portion 12, thereby providing a portion having a relatively complicated shape (the upper end portion 11 having the mouth portion 2c2 and The container body 2 can be easily formed by dividing it into a lower end portion 12) having a recess 2b1 and a relatively simple portion (simple cylindrical central portion 10).
  • the container body 2 is formed of a material mainly composed of titanium, it may be difficult to perform electrolytic polishing. In this case, only chemical polishing may be performed.
  • the legs 3 are joined to the container body 2 manufactured in this way by TIG welding or the like. At this time, it is preferable to join the leg portion 3 to the container body 2 while avoiding the joining portion between the central portion 10 and the lower end portion 12. In this way, by avoiding the joint portion between the central portion 10 and the lower end portion 12 and joining the leg portion 3 to the container body 2, it is possible to prevent the joint portions from overlapping and to improve the joint quality and strength. It becomes.
  • the inside of the container main body 2 is acidified or the like if necessary with the lid 4 removed from the container main body 2.
  • a liquid crystal material is supplied into the container body 2 from the opening 2d in an inert gas atmosphere or the like.
  • the lid portion 4 is closed by the fastening portion 6 in a state where the inside of the container body 2 is filled with an inert gas.
  • the cap 4b4 of the liquid feeding unit 4b is removed, and the liquid feeding tube of the receiving device is connected to the base 4b1 of the liquid feeding unit 4b.
  • the cap 4c2 of the air feeding unit 4c is removed, and the gas supply device is connected to the base 4c1 of the air feeding unit 4c. Then, gas is supplied from the gas supply device to the inside of the container body 2, and the liquid crystal material is sent out of the container body 2.
  • the liquid crystal material stored in the liquid crystal material storage container 1 of the present embodiment is not particularly limited.
  • a fluorine group as described in International Publication No. 2015/159678 is introduced.
  • a liquid crystal composition containing the liquid crystal compound is introduced.
  • the liquid crystal material storage container 1 of the present embodiment as described above includes a container body 2 having an opening 2d at the top and a recess 2b1 that is recessed downward at a part of the bottom 2b. And a lid 4 that can open and close the opening 2d.
  • the recess 2b1 that is recessed downward is formed in the bottom 2b of the container body 2.
  • the recess 2b1 is formed to be depressed below the upper surface of the surrounding region 2b2. For this reason, the liquid crystal material remaining on the bottom 2b of the container body 2 is accumulated in the recess 2b1.
  • the liquid crystal material remaining in the bottom 2b can be locally collected in the recess 2b1. Therefore, it is easier to take out the remaining liquid crystal material from the container body 2 than when the liquid crystal material remains in a wide range of the bottom 2b of the container body 2. Therefore, according to the liquid crystal material storage container 1 of the present embodiment, it is possible to reduce the liquid crystal material that is difficult to take out from the container body 2 and to effectively use the liquid crystal material.
  • the bottom 2b of the container body 2 is circular and the recess 2b1 is disposed at the center of the bottom 2b in plan view. For this reason, it can be set as the structure from which the distance from the recessed part 2b1 to the outer edge part of the bottom part 2b is equal, and the recessed part 2b1 is not too far from any location of the bottom part 2b. For this reason, the liquid crystal material remaining on the bottom 2b can be stably collected in the recess 2b1. Further, the liquid crystal material gathers locally at the center of the container body 2 in plan view.
  • the upper surface of the bottom 2b of the container body 2 is an inclined surface that descends toward the recess 2b1. For this reason, the liquid crystal material remaining in the peripheral region 2b2 of the recess 2b1 can be guided toward the recess 2b1, and the liquid crystal material can be more reliably collected in the recess 2b1.
  • the liquid crystal material storage container 1 of the present embodiment has the leg portion 3 that functions as a protective wall that is fixed to the outer wall surface of the container body 2 and covers the recess 2b1 outside the container body 2. For this reason, it can prevent that the recessed part 2b1 contacts an external member etc., and can prevent the recessed part 2b1 from deform
  • the leg 3 surrounds the entire circumference of the recess 2b1 from the side and extends downward from the outer wall surface of the bottom 2b of the container body 2 to the lower end of the recess 2b1. It is a surrounding wall. For this reason, even if it is a case where the leg part 3 is mounted in a mounting surface, it can prevent that the recessed part 2b1 contacts a mounting surface. Therefore, it is possible to prevent the recess 2b1 from being deformed and the like, and it is possible to collect the liquid crystal material in the recess 2b1 stably.
  • the present invention is not limited to this, and it is also possible to adopt a configuration in which a plurality of recesses 2b1 are provided.
  • the concave portion 2b1 is arranged at the center of the bottom portion 2b has been described.
  • the present invention is not limited to this, and the recess 2b1 may be formed at a position displaced from the center.
  • the present invention is not limited to this, and it is possible to employ a configuration in which a protective wall is provided separately from the leg portion.
  • the configuration in which the container body 2 is formed of a material mainly composed of titanium has been described.
  • the present invention is not limited to this, and the container body 2 can be formed of stainless steel such as SUS304, SUS316, or SUS316L.
  • a configuration using the liquid feed pipe 4b3 having a flat lower end surface is adopted.
  • the present invention is not limited to this.
  • a liquid feed pipe 4d in which an opening 4d1 opening toward the side is formed at the lower end as shown in FIG. 7A, and a liquid feed pipe whose lower end is inclined as shown in FIG. 7B. 4e or a liquid feed pipe 4f having a lower end curved toward the side as shown in FIG. By adopting these configurations, it is possible to prevent the liquid feeding tube from being blocked even when the liquid feeding tube comes into contact with the bottom portion 2b, and to extract the liquid crystal material more reliably to the outside. Become.
  • the base 4b1 of the liquid feeding part 4b and the base 4c1 of the air feeding part 4c have the same outer diameter.
  • the outer diameters of the base 4b1 of the liquid feeding unit 4b and the base 4c1 of the air feeding unit 4c may be different.
  • SYMBOLS 1 Liquid crystal material storage container, 2 ... Container body, 2a ... Side wall part, 2b ... Bottom part, 2b1 ... Concave part, 2b2 ... Peripheral area, 2d ... Opening part, 3 ... Leg part (Protective wall 4) Lid 4b ... Liquid feeding part 4b1 ... Base 4b2 ... Gasket 4b3 ... Liquid feeding pipe 4c ... Air feeding part 4c1 ... Base 4d ... Liquid feeding pipe 4d1 ?? Opening part, 4e .... Liquid feeding pipe, 4f..Liquid feeding pipe, 5 ... Packing for lid part, 6 ... Fastening part, 10 ... Center part, 11 ... Upper end part, 12 ... Lower end, L ... Axle core

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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)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Liquid Crystal (AREA)
  • Packages (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
PCT/JP2017/033641 2016-09-30 2017-09-19 液晶材料貯蔵容器 WO2018061853A1 (ja)

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CN115321041B (zh) * 2022-08-22 2023-06-13 浙江迦南科技股份有限公司 一种料斗对接密封结构及其实施方法

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TW201825364A (zh) 2018-07-16

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