CN112230458A - Novel glue sealing device with adjustable size for liquid crystal display screen - Google Patents
Novel glue sealing device with adjustable size for liquid crystal display screen Download PDFInfo
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- CN112230458A CN112230458A CN202011130663.7A CN202011130663A CN112230458A CN 112230458 A CN112230458 A CN 112230458A CN 202011130663 A CN202011130663 A CN 202011130663A CN 112230458 A CN112230458 A CN 112230458A
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- liquid crystal
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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
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
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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
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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)
- Manufacturing & Machinery (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
Abstract
The invention provides a novel liquid crystal screen glue sealing device with adjustable size, which belongs to the technical field of liquid crystal display screens and comprises a base, a placing disc, a glue sealing rod, a vertical adjusting assembly, a transverse adjusting assembly and a glue outlet size adjusting assembly, wherein a rotary driving assembly is placed in the base; the device is along with adjusting screw gets into to seal the inside length of gluey pole, and adjusting screw gets into to seal the inside length of gluey pole longer, and the size of shrink gas film is big more, and then fills gradually and seal gluey pole bottom space, and then steerable size of a dimension that glues, practices thrift the glue yield.
Description
Technical Field
The invention belongs to the technical field of liquid crystal display screens, and particularly relates to a novel size-adjustable liquid crystal screen glue sealing device.
Background
Liquid Crystal Display (LCD) screen, which is called Liquid Crystal Display for short, is one kind of flat panel Display. The screen display device is used for screen display of televisions and computers. The display screen has the advantages of low power consumption, small size and low radiation. The liquid crystal display screen uses liquid crystal solution in two pieces of polarization materials, so that the crystal can be rearranged to achieve the purpose of imaging when current passes through the liquid.
After the liquid crystal screen is cut according to the required size, sealing glue is required, and along with the increasing diversification of the application of the commercial display, a liquid crystal screen (finished product) cutting process is developed for the strip screen market. The glue sealing process for cutting the bar-shaped screen is generally inverted glue sealing or side glue sealing, the two glue sealing modes have the problems of uneven glue sealing opening and serious glue waste, and the quality of the cut bar-shaped screen is not ideal.
Disclosure of Invention
The invention aims to provide a novel size-adjustable liquid crystal display sealing device, and aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: including the base, place the dish, seal gluey pole, vertical adjusting part, horizontal adjusting part, play gluey size adjusting part, the inside rotation drive subassembly of having placed of base, rotation drive subassembly upper end is fixed place the dish, seal gluey pole and fix on vertical adjusting part, the base rear side is fixed with the connecting plate, and connecting plate screwed connection is in the base side, and the connecting plate upper end slides and connects horizontal adjusting part fixes vertical adjusting part on the horizontal adjusting part, and the base upper end still is fixed with the splendid attire case, seals gluey pole bottom and closes up for the toper, it fixes and is close to toper receipts mouth department in the gluey pole bottom to go out gluey adjusting part.
As a preferable scheme of the invention, the rotation driving assembly comprises a first motor arranged in the middle of the base, a driving rod is fixed at the output end of the first motor, and the placing disc is fixed at the position, far away from the first motor, of the driving rod.
Adopt above-mentioned scheme: the placing disc is driven by the first motor to rotate, the glue sealing position of the liquid crystal screen can be freely adjusted in the glue sealing process, the movement of the liquid crystal screen is reduced, and the liquid crystal screen is prevented from being damaged.
According to a preferable scheme of the invention, the transverse adjusting assembly comprises a sliding rail fixed at the upper end of the connecting plate, a vertical rod is connected inside the sliding rail in a sliding manner, a connecting rod is fixed on the side surface of the vertical rod, one end of the connecting rod extends out of the sliding rail, the extending end is fixedly connected with a cylinder, and the cylinder is fixed on the side surface of the sliding rail.
Adopt above-mentioned scheme: the vertical rod is driven to move in the transverse direction through the air cylinder, so that the movement of the glue sealing rod at the front end of the vertical rod in the transverse position is adjusted, the glue sealing position is adjusted, and the movement of the liquid crystal screen is reduced.
As a preferable scheme of the invention, the vertical adjusting assembly comprises a cross rod fixed at the upper end of the vertical rod, the end, far away from the vertical rod, of the cross rod is connected with a rack in a sliding manner, the side surface of the rack is meshed with a circular gear, the circular gear is connected with a second motor, and the second motor is fixed on the side surface of the cross rod.
Adopt above-mentioned scheme: through the rotation of second motor drive circular gear, drive rack reciprocates then, drives and seals the gluey pole and reciprocate, to the LCD screen of not unidimensional thickness, the height of adjustable gluey pole of sealing conveniently seals the glue.
As a preferable scheme of the invention, a groove is formed in the end, close to the circular gear, of the cross rod, a through hole is formed in the sliding opposite position of the rack, and the through hole is communicated with the groove.
Adopt above-mentioned scheme: the through hole and the groove are in a communicated state, and the synchronous rotation of the circular gear and the rack is not influenced.
As a preferred scheme of the invention, a fixing block is fixed on the side surface of the rack, and the glue sealing rod is fixedly arranged in the fixing block in a penetrating manner.
Adopt above-mentioned scheme: the glue sealing rod is arranged inside the fixed block in a penetrating mode, the vertical direction of the glue sealing rod in the glue sealing process is guaranteed, the trend inclination of sealing glue is avoided, and the accuracy of the sealing glue position is reduced.
As a preferable scheme of the invention, a connecting pipe is fixed at the upper end of the glue sealing rod, the end of the connecting pipe, far away from the glue sealing rod, is connected to the containing box, and an electric pump is fixed close to the containing box.
Adopt above-mentioned scheme: glue inside the containing box is driven by the electric pump to enter the glue sealing rod to be sealed, and the glue is automatically poured to improve the glue sealing efficiency.
As a preferable scheme of the invention, the glue outlet size adjusting assembly comprises an adjusting screw rotatably connected to the bottom of the glue sealing rod, an adjusting disc is connected to the outer portion of the adjusting screw in a threaded manner, and a shrinking air film is fixed at the end of the adjusting screw extending into the glue sealing rod.
Adopt above-mentioned scheme: along with adjusting screw gets into the inside length of gluing the pole, adjusting screw gets into to seal the inside length of gluing the pole longer, and the size of shrink air film is big more, and then fills gradually and glue pole bottom space, and then steerable size of a dimension that glues, practices thrift out the volume of gluing.
According to a preferable scheme of the invention, the two ends of the adjusting disc are provided with fixing plates, the fixing plates are arc-shaped and surround the two sides of the adjusting disc, one end of each fixing plate is fixed with a supporting rod, and the ends of the supporting rods, far away from the fixing plates, are fixed on the side surfaces of the glue sealing rods.
Adopt above-mentioned scheme: two fixed plates are circular and surround the whole adjusting disk, and when the adjusting disk rotates, the rotation of the adjusting disk can not be influenced, and meanwhile, when the adjusting disk does not rotate, the adjusting disk can be ensured not to fall out.
Compared with the prior art, the invention has the beneficial effects that:
1. this novel adhesive sealing device of LCD screen of adjustable size sets up and rotates the drive assembly including seting up the first motor at the base middle part, and first motor output is fixed with the actuating lever, and it is fixed that first motor is kept away from to the actuating lever place the dish, place the dish through first motor drive and rotate, and at the glue in-process that seals, can freely adjust the gluey position of gluing of LCD screen, reduce the removal of LCD screen, prevent that the LCD screen from damaging.
2. This novel adhesive sealing device of LCD screen of adjustable size sets up horizontal regulation subassembly including fixing the slide rail of connecting plate upper end, slide rail inside slide and be connected with the montant, the montant side is fixed with the connecting rod, and slide rail is stretched out to connecting rod one end, stretches out end fixedly connected with cylinder, and the cylinder is fixed in the slide rail side, through the removal of cylinder drive montant in horizontal direction, and then adjust the removal of the gluey pole of sealing of montant front end on horizontal position, adjusts and seals the glue position, reduces the removal of LCD screen.
3. This novel adhesive sealing device of LCD screen of adjustable size sets up vertical adjusting part including fixing montant upper end horizontal pole, the horizontal pole is kept away from the montant end and is slided and be connected with the rack, and the meshing of rack side has circular gear, and circular gear connection has the second motor, and the second motor is fixed in the horizontal pole side, through the circular gear of second motor drive, drives then that the rack reciprocates, and the drive is sealed the glue pole and is reciprocated, to the LCD screen of not unidimensional thickness, the height of adjustable glue pole of sealing conveniently seals the glue.
4. This novel molding equipment of LCD screen of adjustable size sets up out and glues size adjusting part and connects including rotating seal the adjusting screw of gluing the pole bottom, and the outside threaded connection of adjusting screw has the adjustment disk, and adjusting screw stretches into and glues the pole end and is fixed with the shrink air film, and along with adjusting screw gets into the inside length of gluing the pole, adjusting screw gets into to seal the inside length of gluing the pole longer, and the size of shrink air film is big more, and then fills gradually and glue pole bottom space, and then steerable size of a dimension of gluing, practices thrift out the volume of gluing.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the FIG. 1 embodiment of the present invention;
FIG. 3 is a schematic isometric view of FIG. 1 in accordance with the present invention;
FIG. 4 is a schematic structural view of a glue outlet size adjustment assembly according to the present invention;
in the figure: 1. a base; 2. placing a tray; 3. sealing a glue rod; 4. a vertical adjustment assembly; 5. a lateral adjustment assembly; 6. a glue outlet size adjusting assembly; 7. a rotation drive assembly; 8. a connecting plate; 9. filling the box; 10. closing up in a conical shape; 11. a first motor; 12. a drive rod; 13. a slide rail; 14. a vertical rod; 15. a connecting rod; 16. a cylinder; 17. a cross bar; 18. a rack; 19. a circular gear; 20. a second motor; 21. a groove; 22. a through hole; 23. a fixed block; 24. a connecting pipe; 25. an electric pump; 26. adjusting the screw rod; 27. an adjusting disk; 28. shrinking the air film; 29. a fixing plate; 30. a support rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides the following technical solutions: including base 1, place dish 2, seal glue pole 3, vertical adjusting part 4, horizontal adjusting part 5, play gluey size adjusting part 6, 1 inside the placing of base rotates drive assembly 7, and it is fixed to rotate drive assembly 7 upper end place dish 2, seal glue pole 3 and fix on vertical adjusting part 4, the 1 rear side of base is fixed with connecting plate 8, and 8 screwed connection of connecting plate are in the 1 side of base, and the connection slides in the 8 upper ends of connecting plate horizontal adjusting part 5, fixed vertical adjusting part 4 on the horizontal adjusting part 5, and the base 1 upper end still is fixed with containing box 9, seals glue pole 3 bottom and closes up 10 for the toper, it fixes and is close to toper 10 departments in 3 bottoms of gluing pole to go out gluey adjusting part 6.
Specifically, the rotation driving assembly 7 comprises a first motor 11 arranged in the middle of the base 1, a driving rod 12 is fixed at the output end of the first motor 11, and the driving rod 12 is far away from the end of the first motor 11 and is fixed on the placing disc 2.
Specifically, horizontal adjusting part 5 is including fixing slide rail 13 on the connecting plate 8, slide rail 13 inside is slided and is connected with montant 14, and montant 14 side is fixed with connecting rod 15, and slide rail 13 is stretched out to connecting rod 15 one end, stretches out end fixedly connected with cylinder 16, and cylinder 16 fixes in slide rail 13 side.
Specifically, vertical adjusting part 4 is including fixing montant 14 upper end horizontal pole 17, and horizontal pole 17 is kept away from montant 14 end and is slided and be connected with rack 18, and the meshing of rack 18 side has circular gear 19, and circular gear 19 is connected with second motor 20, and second motor 20 is fixed in horizontal pole 17 side.
Specifically, a groove 21 is formed in the end, close to the circular gear 19, of the cross bar 17, a through hole 22 is formed in the sliding opposite position of the rack 18, and the through hole 22 is communicated with the groove 21.
Specifically, a fixing block 23 is fixed on the side face of the rack 18, and the glue sealing rod 3 is fixedly arranged inside the fixing block 23 in a penetrating mode.
Specifically, a connecting pipe 24 is fixed at the upper end of the glue sealing rod 3, the end of the connecting pipe 24 far away from the glue sealing rod 3 is connected to the containing box 9, and an electric pump 25 is fixed close to the end of the containing box 9.
Specifically, go out to glue size adjustment subassembly 6 including rotate and connect and be in seal adjusting screw 26 of gluing pole 3 bottom, adjusting screw 26 outside threaded connection has adjusting disk 27, and adjusting screw 26 stretches into to seal and glues the pole 3 end and be fixed with shrink air film 28.
Specifically, fixing plates 29 are arranged at two ends of the adjusting plate 27, the fixing plates 29 are arc-shaped and surround two sides of the adjusting plate 27, a supporting rod 30 is fixed at one end of each fixing plate 29, and ends, far away from the fixing plates 29, of the supporting rods 30 are fixed on the side faces of the glue sealing rods 3.
The working principle and the using process of the invention are as follows: when the sealing glue sealing device is used, the second motor 20 is turned on, the circular gear 19 is driven to rotate, during transmission, the rack 18 is driven to move upwards, after the movement is completed, the liquid crystal screen is placed on the placing disc 2, the second motor 20 is turned on again, the adjusting rack 18 moves downwards to the position above the liquid crystal screen, the electric pump 25 is turned on, glue inside the containing box 9 is guided into the sealing glue rod 3 through the connecting pipe 24, the adjusting disc 27 is rotated, the adjusting screw 26 is driven to move towards the interior of the conical closing-in 10, the conical closing-in 10 is completely blocked through the shrinkage air film 28, the air cylinder 16 is opened, the vertical rod 14 is driven to move inside the sliding rail 13, the sealing glue rod 3 is further adjusted to the sealing glue position of the liquid crystal screen, the adjusting disc 27 is rotated according to the required sealing glue amount of the sealing position, the adjusting screw 26 is driven to move.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A novel liquid crystal screen glue sealing device with adjustable size is characterized by comprising a base (1), a placing plate (2), a glue sealing rod (3), a vertical adjusting component (4), a transverse adjusting component (5) and a glue outlet size adjusting component (6), wherein a rotary driving component (7) is placed inside the base (1), the upper end of the rotary driving component (7) is fixed on the placing plate (2), the glue sealing rod (3) is fixed on the vertical adjusting component (4), a connecting plate (8) is fixed on the rear side of the base (1), the connecting plate (8) is in screwed connection with the side surface of the base (1), the upper end of the connecting plate (8) is in sliding connection with the transverse adjusting component (5), the vertical adjusting component (4) is fixed on the transverse adjusting component (5), a containing box (9) is also fixed on the upper end of the base (1), the bottom of the glue sealing rod (3) is in a conical closing-in, the glue outlet adjusting assembly (6) is fixed at the position, close to the conical closing-in opening (10), of the bottom of the glue sealing rod (3).
2. The novel glue sealing device for the liquid crystal display screen with the adjustable size according to claim 1, wherein the rotary driving assembly (7) comprises a first motor (11) arranged in the middle of the base (1), a driving rod (12) is fixed at an output end of the first motor (11), and the placing disc (2) is fixed at a position, away from the first motor (11), of the driving rod (12).
3. The novel adhesive sealing device for the liquid crystal display screen with the adjustable size according to claim 1, wherein the transverse adjusting assembly (5) comprises a sliding rail (13) fixed at the upper end of the connecting plate (8), a vertical rod (14) is connected inside the sliding rail (13) in a sliding manner, a connecting rod (15) is fixed on the side surface of the vertical rod (14), one end of the connecting rod (15) extends out of the sliding rail (13), an air cylinder (16) is fixedly connected at the extending end, and the air cylinder (16) is fixed on the side surface of the sliding rail (13).
4. The novel glue sealing device for the liquid crystal display screen with the adjustable size as claimed in claim 3, wherein the vertical adjusting assembly (4) comprises a cross bar (17) fixed on the upper end of the vertical bar (14), the end of the cross bar (17) far away from the vertical bar (14) is connected with a rack (18) in a sliding manner, a circular gear (19) is meshed on the side surface of the rack (18), the circular gear (19) is connected with a second motor (20), and the second motor (20) is fixed on the side surface of the cross bar (17).
5. The novel adhesive sealing device of the liquid crystal display screen with the adjustable size as claimed in claim 4, wherein the end of the cross bar (17) close to the circular gear (19) is provided with a groove (21), the sliding relative position of the rack (18) is provided with a through hole (22), and the through hole (22) is communicated with the groove (21).
6. The novel glue sealing device of the liquid crystal display screen with the adjustable size as claimed in claim 1, wherein a fixing block (23) is fixed on the side surface of the rack (18), and the glue sealing rod (3) is fixedly arranged in the fixing block (23) in a penetrating manner.
7. The novel glue sealing device for the liquid crystal display screen with the adjustable size as claimed in claim 1, wherein a connecting pipe (24) is fixed at the upper end of the glue sealing rod (3), the end of the connecting pipe (24) far away from the glue sealing rod (3) is connected to the containing box (9), and an electric pump (25) is fixed close to the containing box (9).
8. The novel glue sealing device of the liquid crystal display screen with the adjustable size as claimed in claim 1, wherein the glue outlet size adjusting assembly (6) comprises an adjusting screw rod (26) rotatably connected to the bottom of the glue sealing rod (3), an adjusting disc (27) is connected to the outside of the adjusting screw rod (26) in a threaded manner, and a shrink air film (28) is fixed at the end of the adjusting screw rod (26) extending into the glue sealing rod (3).
9. The novel glue sealing device of the liquid crystal display screen with the adjustable size as claimed in claim 8, wherein fixing plates (29) are disposed at two ends of the adjusting plate (27), the fixing plates (29) are arc-shaped and surround two sides of the adjusting plate (27), a supporting rod (30) is fixed at one end of each fixing plate (29), and ends of the supporting rods (30) far away from the fixing plates (29) are fixed on the side surfaces of the glue sealing rods (3).
Priority Applications (1)
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CN202011130663.7A CN112230458A (en) | 2020-10-21 | 2020-10-21 | Novel glue sealing device with adjustable size for liquid crystal display screen |
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CN202011130663.7A CN112230458A (en) | 2020-10-21 | 2020-10-21 | Novel glue sealing device with adjustable size for liquid crystal display screen |
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CN202011130663.7A Pending CN112230458A (en) | 2020-10-21 | 2020-10-21 | Novel glue sealing device with adjustable size for liquid crystal display screen |
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Citations (7)
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TW200729424A (en) * | 2006-01-20 | 2007-08-01 | Metal Ind Res & Dev Ct | Spot |
CN102411233A (en) * | 2011-11-23 | 2012-04-11 | 深圳市华星光电技术有限公司 | Device and method for coating seal on liquid crystal substrate |
CN202501087U (en) * | 2012-02-10 | 2012-10-24 | 河北华强科技开发有限公司 | Regulating valve |
CN209657025U (en) * | 2019-04-02 | 2019-11-19 | 深圳市高美福商显科技有限公司 | One kind prevents liquid crystal from cutting leakage sealing jig |
CN111013939A (en) * | 2019-11-28 | 2020-04-17 | 郴州市海利微电子科技有限公司 | Automatic sealing dispenser for small liquid crystal display screen |
CN210357849U (en) * | 2019-06-28 | 2020-04-21 | 蚌埠安瑞斯机械科技有限公司 | Glue coating mechanism of full-automatic box gluing machine |
CN211293504U (en) * | 2019-12-28 | 2020-08-18 | 武汉言诺嘉科技有限公司 | Liquid crystal display glue sealing device |
-
2020
- 2020-10-21 CN CN202011130663.7A patent/CN112230458A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200729424A (en) * | 2006-01-20 | 2007-08-01 | Metal Ind Res & Dev Ct | Spot |
CN102411233A (en) * | 2011-11-23 | 2012-04-11 | 深圳市华星光电技术有限公司 | Device and method for coating seal on liquid crystal substrate |
CN202501087U (en) * | 2012-02-10 | 2012-10-24 | 河北华强科技开发有限公司 | Regulating valve |
CN209657025U (en) * | 2019-04-02 | 2019-11-19 | 深圳市高美福商显科技有限公司 | One kind prevents liquid crystal from cutting leakage sealing jig |
CN210357849U (en) * | 2019-06-28 | 2020-04-21 | 蚌埠安瑞斯机械科技有限公司 | Glue coating mechanism of full-automatic box gluing machine |
CN111013939A (en) * | 2019-11-28 | 2020-04-17 | 郴州市海利微电子科技有限公司 | Automatic sealing dispenser for small liquid crystal display screen |
CN211293504U (en) * | 2019-12-28 | 2020-08-18 | 武汉言诺嘉科技有限公司 | Liquid crystal display glue sealing device |
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Application publication date: 20210115 |
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