CN113641014A - Dispensing head for sealing glue on step edge of display screen and glue sealing method - Google Patents
Dispensing head for sealing glue on step edge of display screen and glue sealing method Download PDFInfo
- Publication number
- CN113641014A CN113641014A CN202110789413.2A CN202110789413A CN113641014A CN 113641014 A CN113641014 A CN 113641014A CN 202110789413 A CN202110789413 A CN 202110789413A CN 113641014 A CN113641014 A CN 113641014A
- Authority
- CN
- China
- Prior art keywords
- glue
- dispensing head
- display screen
- sealing
- glass substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003292 glue Substances 0.000 title claims abstract description 167
- 238000007789 sealing Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims description 14
- 239000000758 substrate Substances 0.000 claims description 54
- 239000011521 glass Substances 0.000 claims description 53
- 239000004973 liquid crystal related substance Substances 0.000 description 9
- 239000002585 base Substances 0.000 description 6
- 238000004026 adhesive bonding Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a dispensing head for sealing glue on a step edge of a display screen, which comprises a dispensing head shell, wherein the dispensing head shell is provided with a glue inlet and a glue outlet, and the glue inlet is communicated with the glue outlet; the glue outlet comprises an end face opening and a side face opening, and the end face opening is intersected with the side face opening. According to the invention, the glue is applied to the step edge of the display screen through the glue dispensing head, the glue is discharged from the rear side of the moving direction of the glue dispensing head, the glue sealing requirements of step surfaces with different thicknesses and widths are met by controlling the shape and the size of the glue outlet, the step edge glue sealing can be completed at one time, and the efficiency and the glue sealing quality can be improved.
Description
Technical Field
The invention relates to the technical field of display screen sealing glue, in particular to a dispensing head for sealing glue on a step edge of a display screen and a method for sealing glue on the step edge of the display screen.
Background
Most of the existing liquid crystal display devices in the market are Backlight liquid crystal displays (lcds), which include a liquid crystal display panel and a Backlight Module (Backlight Module). The liquid crystal display panel has the working principle that liquid crystal molecules are placed in two parallel glass substrates, a plurality of vertical and horizontal fine wires are arranged between the two glass substrates, and the liquid crystal molecules are controlled to change directions by electrifying or not, so that light rays of the backlight module are refracted out to generate pictures. Generally, a Liquid Crystal display panel includes a Color Filter (CF) substrate, a Thin Film Transistor (TFT) substrate, a Liquid Crystal (LC) sandwiched between the color filter substrate and the TFT substrate, and a Sealant frame (Sealant).
In the production and manufacturing process of the display screen, in order to protect the display panel and ensure that the display panel can normally display, liquid such as water, acid, alkali and the like cannot enter the middle of the two layers of glass, glue is needed to be used for sealing the cross section of the display panel, after part of cross section glue permeates the middle of the two layers of glass, the glue is cured (generally UV glue is used and UV light is used during curing), and the protection effect is achieved.
In the existing glue sealing process, the glue coating treatment difficulty on the step edge of the display screen is high, a repeated glue sealing method is generally adopted, the glue sealing efficiency is low, the uniformity is poor, manpower and material resources are wasted, and the working efficiency is low.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a dispensing head for sealing glue on the edge of a display screen step and a method for sealing glue on the edge of the display screen step, which can finish glue application operation on the edge of the display screen step at one time.
The invention provides a dispensing head for sealing glue on a step edge of a display screen, which comprises a dispensing head shell, wherein the dispensing head shell is provided with a glue inlet and a glue outlet, and the glue inlet is communicated with the glue outlet; the glue outlet comprises an end face opening and a side face opening, and the end face opening is intersected with the side face opening.
Furthermore, the glue outlet comprises a first glue outlet and a second glue outlet, the orientations of the end face openings of the two glue outlets are the same, the end face openings of the two glue outlets are distributed in a staggered arrangement, and the side face openings of the two glue outlets are positioned on the same side of the dispensing head shell.
Preferably, the dispensing head shell comprises a first glue outlet pipe and a second glue outlet pipe, the first glue outlet pipe and the second glue outlet pipe are parallel, and the first glue outlet and the second glue outlet are respectively arranged at the outer ends of the first glue outlet pipe and the second glue outlet pipe.
Preferably, the plane of the end face opening of the glue outlet is perpendicular to the axis of the glue outlet pipe.
Preferably, the side wall of the end face opening of the first rubber outlet pipe and/or the second rubber outlet pipe is provided with a positioning groove matched with the step edge of the display screen.
Preferably, the dispensing head shell further comprises a needle base, the inner ends of the first rubber outlet pipe and the second rubber outlet pipe are connected with the needle base, and the rubber inlet is formed in the needle base.
Preferably, the first rubber outlet pipe and the second rubber outlet pipe are integrally formed with the inner end of the needle seat.
The invention also provides a sealing method for the step edge of the display screen, the display screen comprises a first glass substrate and a second glass substrate, the second glass substrate covers one end face of the first glass substrate, the side face of the first glass substrate and the side face of the second glass substrate are staggered to form the step edge, and the sealing method comprises the following steps:
the end face openings of the first glue outlet and the second glue outlet of the glue dispensing head are opposite to the side face of the first glass substrate and the side face of the second glass substrate;
-dispensing glue from the side and end openings of the dispensing head by moving the dispensing head at a constant speed along the side direction of the display screen in a direction opposite to the direction of the side openings of the first and second glue outlets;
-applying glue over the entire step edge of the display screen;
-curing the glue on the display screen after the glue application is completed.
The invention has the following beneficial effects:
in the invention, the glue is applied to the step edge of the display screen by the glue dispensing head, the glue is discharged from the rear side of the moving direction of the glue dispensing head, the glue sealing requirements of step surfaces with different thicknesses and widths are met by controlling the shape and the size of the glue outlet, the step edge glue sealing can be completed at one time, and the efficiency and the glue sealing quality can be improved.
Drawings
FIG. 1 is a schematic structural diagram of a dispensing head for sealing an edge of a display screen step according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the glue outlet;
FIG. 3 is a schematic structural diagram of a dispensing head for sealing a step edge of a display screen according to an embodiment of the present invention.
Detailed Description
Referring to fig. 1-3, the dispensing head for sealing a step edge of a display screen according to the present invention includes a dispensing head housing 1, the dispensing head housing 1 is provided with a glue inlet 2 and a glue outlet 3, the glue inlet 2 is communicated with the glue outlet 3, the glue outlet 3 includes an end opening 31 and a side opening 32, and the end opening 31 intersects with the side opening 32.
The dispensing head is used for sealing the display screen with the step edge. As shown in fig. 1, the display screen includes a first glass substrate 4 and a second glass substrate 5, the second glass substrate 5 covers an end surface of the first glass substrate 4, the end surface includes a display surface 41 covered by the second glass substrate 5 and a frame sealing surface 42 uncovered and located around the display surface 41, and a step edge is formed by a side surface of the first glass substrate 4, the frame sealing surface 42 and a side surface of the second glass substrate 5.
In order to meet the sealing requirements for the step edge of the display screen, the applied glue is generally required to adhere to at least the frame sealing glue surface 42 and the side surface of the second glass substrate 5 to form a seal between the gaps of the two glass layers. When gluing through the dispensing head of this embodiment, the terminal surface opening 31 of going out jiao kou 3 pastes the side that leans on at second glass substrate 5, and side opening 32 is roughly perpendicular to frame face 42 of sealing glue, and the dispensing head removes the gluey along display screen side direction, and glue is by the side of terminal surface opening 31 adhesion second glass substrate 5, flows out and the adhesion at frame face 42 of sealing glue by side opening 32 simultaneously to form the layer of sealing glue that has preset thickness and width.
According to the above analysis, the side openings 32 with proper shape and size can control the gluing to reach the expected thickness and width, so that the gluing work can be completed at one time, and the gluing uniformity is good. In the present embodiment, the shape of the side opening 32 is preferably a semi-ellipse, the width of the side opening 32 in the thickness direction of the display screen is substantially the same as the thickness of the second glass substrate 5, and the length of the side opening 32 is substantially the same as the width of the frame sealing surface 42. Since the glue is applied with a certain flow-casting property, it can be understood by those skilled in the art that the size and shape of the side opening 32 are equivalent to those of the step gap of the cross section of the step edge.
In a further embodiment, the glue outlets 3 include a first glue outlet and a second glue outlet, the end openings 31 of the two glue outlets 3 face the same direction, the end openings 31 of the two glue outlets 3 are distributed in a staggered arrangement along the facing direction, and the side openings 32 of the two glue outlets 3 are located on the same side.
The display screen frame glue can not only play a role in sealing, but also can protect the side edge of the glass substrate. Therefore, in some sealing processes for step edges of display screens, it is desirable that the glue can be cured to wrap the side edges of the entire display screen, i.e. the glue is applied to the side surfaces of the first glass substrate 4, the frame sealing surface 42 and the second glass substrate 5.
According to the dispensing head with two glue outlets 3 in this embodiment, the end openings 31 of the two glue outlets 3 are distributed along the direction of the dispensing head in a staggered arrangement, so that the staggered distance between the two end openings 31 is the same as the width of the frame glue sealing surface 42 of the display screen. During gluing, the two end openings 31 can be respectively attached to the side surface of the first glass substrate 4 and the side surface of the second glass substrate 5, the two side openings 32 are arranged in a direction approximately perpendicular to the end surface of the display screen, and glue can be simultaneously applied to the side surface of the first glass substrate 4, the frame glue sealing surface 42 and the side surface of the second glass substrate 5. Subsequently, the glue on the side surface of the first glass substrate 4 and the frame sealing glue surface 42 can be seamlessly fused due to the self-fluidity, so that the complete sealing glue processing of the step edge of the display screen can be completed at one time.
As shown in fig. 3, in this example, the dispensing head housing 1 includes a needle base 11 and a needle 12, the needle 12 includes a first rubber outlet tube 12a and a second rubber outlet tube 12b, the two rubber outlet tubes are parallel, the inner ends of the first rubber outlet tube 12a and the second rubber outlet tube 12b are connected with the needle base 11, and preferably, the inner ends of the two rubber outlet tubes connected with the needle base 11 are integrally formed.
The glue inlet 2 is arranged on the needle seat 11, and the needle seat 11 is used for connecting a glue dispensing rubber tube and is preferably connected with the glue dispensing rubber tube in a detachable mode. The two glue outlets 3 are respectively arranged at the outer ends of the first glue outlet pipe 12a and the second glue outlet pipe 12b, a flow passage for communicating the glue inlet 2 and the glue outlet 3 is arranged inside the needle head 12 and the needle seat 11, the length of the first glue outlet pipe 12a is smaller than that of the second glue outlet pipe 12b, and one ends of the two glue outlet pipes, which are provided with the glue outlets 3, are staggered. The plane of the end face openings 31 of the glue outlets 3 is vertical to the axial lead of the needle head 12, the two end face openings 31 are distributed along the length direction of the tube in a staggered arrangement, and the side face openings 32 of the two glue outlets 3 are positioned at the same side of the glue outlet tube.
Manufacturing a dispensing head according to the step edge size of the display screen to be sealed with glue: the staggered distance of the two end face openings 31 is controlled to be the same as the width of the frame glue sealing surface 42 of the display screen to be processed; controlling the shape and the size of the side opening 32 of the second rubber outlet pipe 12b to be equivalent to the size and the shape of a step gap of the cross section of the step edge; the shape and size of the side opening 32 of the first glue outlet pipe 12a are controlled to be equivalent to the size and shape of the cross section of the required coating glue layer on the side surface of the first glass substrate 4.
As shown in fig. 1 and 3, in some embodiments, a positioning groove 33 is provided on a sidewall of the end surface opening 31 of the first glue outlet tube 12a and/or the second glue outlet tube 12b, a section of protrusion is formed on a tube wall at two ends of the positioning groove 33 for positioning and clamping a side edge of a glass substrate of the display screen, and the positioning groove 33 is configured to slidably cooperate with the side edge of the glass substrate to apply glue along the step edge of the display screen through the glue outlet 3. The end opening walls of the first rubber outlet pipe 12a and the second rubber outlet pipe 12b can be clamped on the side edge of the glass substrate through the positioning groove 33, on one hand, the rubber outlet 3 can be positioned conveniently, on the other hand, the positioning groove 33 can play a role in guiding in the rubber applying process so as to enable the rubber outlet 3 to be kept stable all the time, and therefore the rubber applying effect is improved. Obviously, the dispensing head with the positioning groove 33 is more suitable for manual operation of sealing, and if the operation of moving and applying glue is completed by a machine, the positioning groove 33 is not necessary.
According to the above content, the method for sealing the step edge of the display screen provided by the invention comprises the following steps:
providing a display screen, wherein the display screen comprises a first glass substrate 4 and a second glass substrate 5, and the second glass substrate 5 is covered on one end face of the first glass substrate 4, and the end face comprises a display surface 41 covered by the second glass substrate 5 and a frame sealing glue surface 42 which is not covered and is positioned at the periphery of the display surface 41; the side surface of the first glass substrate 4, the frame glue sealing surface 42 and the side surface of the second glass substrate 5 form a display screen step edge;
the end face openings 31 of the first glue outlet and the second glue outlet of the glue dispensing head are opposite to the side face of the first glass substrate 4 and the side face of the second glass substrate 5;
dispensing glue from the side openings 32 and the end openings 31 of the dispensing head by moving the dispensing head at a constant speed along the side direction of the display screen, the direction of movement of the dispensing head being opposite to the orientation of the side openings 32 of the first and second glue outlets;
-applying glue over the entire step edge of the display screen;
-curing the glue on the display screen after the glue application is completed.
In summary, the dispensing head for sealing the edge of the display screen step and the method for sealing the edge of the display screen step can meet the sealing requirements of step surfaces with different thicknesses and widths by controlling the shape and the size of the glue outlet, can finish the glue application operation on the edge of the display screen step at one time, and have the advantages of convenient use, good glue application effect and low manufacturing cost.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A dispensing head for sealing glue on a step edge of a display screen is characterized by comprising a dispensing head shell, wherein the dispensing head shell is provided with a glue inlet and a glue outlet, and the glue inlet is communicated with the glue outlet; the glue outlet comprises an end face opening and a side face opening, and the end face opening is intersected with the side face opening.
2. The dispensing head for sealing a step edge of a display screen of claim 1, wherein the glue outlets comprise a first glue outlet and a second glue outlet, the end openings of the two glue outlets are oriented in the same direction, the end openings of the two glue outlets are arranged in a staggered manner, and the side openings of the two glue outlets are located on the same side of the dispensing head housing.
3. The dispensing head for sealing a step edge of a display screen of claim 2, wherein the dispensing head housing comprises a first glue outlet tube and a second glue outlet tube, the first glue outlet tube and the second glue outlet tube are parallel, and the first glue outlet and the second glue outlet are respectively arranged at outer ends of the first glue outlet tube and the second glue outlet tube.
4. The dispensing head for sealing a step edge of a display screen of claim 3, wherein the plane of the opening on the end surface of the glue outlet is perpendicular to the axis of the glue outlet tube.
5. The dispensing head for sealing a step edge of a display screen of claim 3, wherein a positioning groove matched with the step edge of the display screen is arranged on the side wall of the opening on the end surface of the first rubber outlet pipe and/or the second rubber outlet pipe.
6. The dispensing head for sealing the step edge of the display screen according to any one of claims 3 to 5, wherein the dispensing head shell further comprises a needle base, the inner ends of the first rubber outlet tube and the second rubber outlet tube are connected with the needle base, and the rubber inlet is arranged on the needle base.
7. The dispensing head for sealing the edge of the step of the display screen of claim 6, wherein the first and second dispensing tubes are integrally formed with the inner end of the needle base.
8. A method for sealing a step edge of a display screen comprises a first glass substrate and a second glass substrate, wherein the second glass substrate covers an end face of the first glass substrate, and the side face of the first glass substrate and the side face of the second glass substrate are staggered to form the step edge, and the method is characterized by comprising the following steps of:
the end face openings of the first glue outlet and the second glue outlet of the glue dispensing head are opposite to the side face of the first glass substrate and the side face of the second glass substrate;
-dispensing glue from the side and end openings of the dispensing head by moving the dispensing head at a constant speed along the side direction of the display screen in a direction opposite to the direction of the side openings of the first and second glue outlets;
-applying glue over the entire step edge of the display screen;
-curing the glue on the display screen after the glue application is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110789413.2A CN113641014A (en) | 2021-07-13 | 2021-07-13 | Dispensing head for sealing glue on step edge of display screen and glue sealing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110789413.2A CN113641014A (en) | 2021-07-13 | 2021-07-13 | Dispensing head for sealing glue on step edge of display screen and glue sealing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113641014A true CN113641014A (en) | 2021-11-12 |
Family
ID=78417224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110789413.2A Pending CN113641014A (en) | 2021-07-13 | 2021-07-13 | Dispensing head for sealing glue on step edge of display screen and glue sealing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113641014A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202725433U (en) * | 2012-08-13 | 2013-02-13 | 天津英利新能源有限公司 | Glue nozzle for frame component glue coating |
| CN203108729U (en) * | 2013-02-21 | 2013-08-07 | 凌晖光电有限公司 | Continuous compound sealing device |
| CN205731846U (en) * | 2016-06-17 | 2016-11-30 | 成都萨伯电子应用科技有限公司 | A kind of dispensing needle head |
| CN108097541A (en) * | 2018-02-12 | 2018-06-01 | 业成科技（成都）有限公司 | Point glue equipment and dispensing method |
| JP3232582U (en) * | 2020-01-16 | 2021-06-24 | 邑富股▲ふん▼有限公司Ｓａｍｕｒａｉ Ｓｐｉｒｉｔ Ｉｎｃ． | Adhesive discharge switching device for reciprocating dispenser and two-component adhesive coating equipment with it |
-
2021
- 2021-07-13 CN CN202110789413.2A patent/CN113641014A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202725433U (en) * | 2012-08-13 | 2013-02-13 | 天津英利新能源有限公司 | Glue nozzle for frame component glue coating |
| CN203108729U (en) * | 2013-02-21 | 2013-08-07 | 凌晖光电有限公司 | Continuous compound sealing device |
| CN205731846U (en) * | 2016-06-17 | 2016-11-30 | 成都萨伯电子应用科技有限公司 | A kind of dispensing needle head |
| CN108097541A (en) * | 2018-02-12 | 2018-06-01 | 业成科技（成都）有限公司 | Point glue equipment and dispensing method |
| JP3232582U (en) * | 2020-01-16 | 2021-06-24 | 邑富股▲ふん▼有限公司Ｓａｍｕｒａｉ Ｓｐｉｒｉｔ Ｉｎｃ． | Adhesive discharge switching device for reciprocating dispenser and two-component adhesive coating equipment with it |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102305978B (en) | Production system of silicon substrate liquid crystal display screen and production method thereof | |
| KR20100021377A (en) | Method and device for dispensing sealant and lcd panel | |
| US20190285919A1 (en) | Display device and method for manufacturing the same | |
| JP2001305561A (en) | Liquid crystal display device | |
| WO2020087597A1 (en) | Display panel and display device | |
| JP4933510B2 (en) | Liquid crystal display device production line | |
| CN109491149A (en) | The production method and display panel of glue frame | |
| JP3804360B2 (en) | Liquid crystal display device and manufacturing method thereof | |
| US6836311B2 (en) | Seal pattern for liquid crystal display device including first, second and third dummy seal patterns in non-active area | |
| CN113641014A (en) | Dispensing head for sealing glue on step edge of display screen and glue sealing method | |
| US7292306B2 (en) | Apparatus for dispensing sealant, method of manufacturing a liquid crystal display device using the same, and liquid crystal display device manufactured by the same | |
| US9488875B2 (en) | Method of manufacturing a liquid crystal display device | |
| CN105457859B (en) | The coating method of sealant | |
| JP2005173535A (en) | Seal pattern structure for liquid crystal display panel and method for forming the same | |
| CN106773358A (en) | The coating method and slit shower nozzle of sealant | |
| KR100618578B1 (en) | Dispenser of liquid crystal display panel and dispensing method using the same | |
| US7372511B2 (en) | Device for controlling spreading of liquid crystal and method for fabricating an LCD | |
| CN109917591A (en) | The production method of liquid crystal display panel | |
| CN102636912A (en) | Liquid crystal display device and manufacturing method thereof | |
| US20030230468A1 (en) | Conveyor for liquid crystal panel | |
| KR20040003548A (en) | Substrate for Liquid Crystal Display and fabrication method of Liquid Crystal Display using this | |
| US20080094564A1 (en) | Liquid crystal display device and method for manufacturing the same | |
| KR100870658B1 (en) | Liquid crystal display device and manufacturing method thereof | |
| US6803984B2 (en) | Method and apparatus for manufacturing liquid crystal display device using serial production processes | |
| JP2000029051A (en) | Manufacture of liquid crystal display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211112 |