CN111730963A - Screen printing plate structure and screen printing method - Google Patents
Screen printing plate structure and screen printing method Download PDFInfo
- Publication number
- CN111730963A CN111730963A CN202010617754.7A CN202010617754A CN111730963A CN 111730963 A CN111730963 A CN 111730963A CN 202010617754 A CN202010617754 A CN 202010617754A CN 111730963 A CN111730963 A CN 111730963A
- Authority
- CN
- China
- Prior art keywords
- screen
- boss
- plate
- screen printing
- opening
- 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
- 238000007650 screen-printing Methods 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000011521 glass Substances 0.000 claims abstract description 62
- 239000004568 cement Substances 0.000 claims abstract description 31
- 239000002103 nanocoating Substances 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 9
- 238000005538 encapsulation Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 8
- 238000012536 packaging technology Methods 0.000 description 6
- 239000005357 flat glass Substances 0.000 description 4
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- -1 etc. Polymers 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000001595 mastoid Anatomy 0.000 description 2
- 238000012858 packaging process Methods 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 229920006346 thermoplastic polyester elastomer Polymers 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- GHZFPSVXDWJLSD-UHFFFAOYSA-N chromium silver Chemical compound [Cr].[Ag] GHZFPSVXDWJLSD-UHFFFAOYSA-N 0.000 description 1
- 229920003193 cis-1,4-polybutadiene polymer Polymers 0.000 description 1
- 229920003211 cis-1,4-polyisoprene Polymers 0.000 description 1
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009459 flexible packaging Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229920003049 isoprene rubber Polymers 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F16/00—Transfer printing apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F16/00—Transfer printing apparatus
- B41F16/0006—Transfer printing apparatus for printing from an inked or preprinted foil or band
- B41F16/0073—Transfer printing apparatus for printing from an inked or preprinted foil or band with means for printing on specific materials or products
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Printing Plates And Materials Therefor (AREA)
- Screen Printers (AREA)
Abstract
The invention discloses a screen structure, which comprises an upper screen and a lower screen, wherein the upper screen comprises an upper frame, a first inner net and an opening, the first inner net is arranged on the inner wall of the upper frame, the upper frame applies a pulling force pointing to the outer side of the frame to the first inner net, and the opening is arranged on the first inner net; the lower screen plate comprises a boss, the boss is arranged on the surface of the lower screen plate, when the upper screen plate and the lower screen plate are pressed in an opposite mode, a first inner net is attached to the surface of the lower screen plate, the boss is arranged in the opening, a gap surrounding the boss in a circle is reserved between the edge of the opening and the edge of the boss, and the gap serves as a screen printing area of glass cement. Above-mentioned technical scheme will go up half tone and lower half tone pressfitting, glues the mode on waiting to encapsulate the article through rendition glass for glass glues the surfacing and good high homogeneity, can avoid the appearance that screen printing process glass glues saddle shape, thereby improves the sunken problem of glass glue, promotes the encapsulation effect of device.
Description
Technical Field
The invention relates to the technical field of OLED (organic light emitting diode) packaging, in particular to a screen printing plate structure and a screen printing method.
Background
An Organic Light Emitting Display (abbreviated as OLED) is an active Light Emitting Display device, and has the advantages of high contrast, wide viewing angle, low power consumption, and thinner volume, and is expected to become the next generation of mainstream flat panel Display technology. The organic electroluminescent display device is a thin film device which is very vulnerable to irreversible damage due to corrosion by moisture, oxygen, and the like in the external environment, and thus, it is necessary to encapsulate the display electronics in order to ensure the normal operation of the electronics. The mainstream packaging technologies at present include a laser sintering glass powder packaging technology, an epoxy resin and getter filler packaging technology, a sheet sealing glue and flexible packaging cover plate packaging technology, a film packaging technology and the like. For the laser sintering glass powder packaging technology, frat glue (also called glass glue) is mainly used, and a screen printer mainly has saddle-shaped depressions in the process of screen printing the glass glue, namely, the glue on two sides of the cross section of the glass glue is high, and the middle of the cross section of the glass glue is low. The saddle shape can cause that the sealing effect is not good when back plate glass and cover plate glass are pasted, and water and oxygen easily enter the panel, shortens the life of panel.
Disclosure of Invention
Therefore, a screen printing plate structure and a screen printing method are needed to be provided, and the problem that the glass cement of the screen printing plate is saddle-shaped in the screen printing process is solved.
In order to achieve the above object, the inventor provides a screen structure, which includes an upper screen and a lower screen, wherein the upper screen includes an upper frame, a first inner net and an opening, the first inner net is disposed on an inner wall of the upper frame, the upper frame applies a pulling force to the first inner net, the pulling force is directed to an outer side of the frame, and the opening is disposed on the first inner net;
the lower screen plate comprises a boss, the boss is arranged on the surface of the lower screen plate, when the upper screen plate and the lower screen plate are pressed in an opposite mode, a first inner net is attached to the surface of the lower screen plate, the boss is arranged in the opening, a gap surrounding the boss in a circle is reserved between the edge of the opening and the edge of the boss, and the gap serves as a screen printing area of glass cement.
Further, the lower screen printing plate further comprises a lower frame and a second inner net, the second inner net is arranged on the inner wall of the lower frame, and the boss is arranged on the second inner net.
Further, the thickness of the first inner net is the same as the height of the boss, and the upper surface of the first inner net is located on the same horizontal plane with the boss when the upper screen plate and the lower screen plate are in counterpoint pressing.
Furthermore, an alignment mechanism is arranged between the upper screen plate and the lower screen plate.
Further, the surface of the upper screen and/or the lower screen is provided with a nano coating.
Furthermore, a groove is formed in the upper frame and used for a user or a machine to grab the screen printing plate.
Furthermore, the number of the openings and the bosses is multiple, the openings are uniformly distributed on the first inner net, the bosses are uniformly distributed on the second inner net, and one boss corresponds to one opening.
Further, the boss is an elastic boss.
Further, the screen is a rigid screen.
The inventor provides a method for screening a screen structure, which applies a screen structure according to any one of the above embodiments, and comprises the following steps:
aligning and pressing the opening on one surface of the upper screen plate and the boss of the lower screen plate, wherein a screen printing area is formed between the edge of the opening and the edge of the boss;
coating glass cement on the screen printing area on the other surface of the upper screen printing plate, so that the glass cement fills the screen printing area;
removing the upper screen printing plate;
positioning an object to be packaged on a boss of the lower screen printing plate in an aligned mode, and enabling the glass cement in the screen printing area to be attached to a required screen printing position on the object to be packaged;
drying and forming the object to be packaged and the glass cement at the edge of the boss of the lower screen printing plate, and transferring the glass cement of the lower screen printing plate onto the object to be packaged;
and removing the lower screen plate.
Be different from prior art, above-mentioned technical scheme glues the mode on waiting to encapsulate the article through rendition glass with last half tone and lower half tone pressfitting for glass glues surfacing and high homogeneity is good, can avoid the gluey saddle-shaped appearance of screen printing process glass, thereby improves the sunken problem of glass glue, promotes the encapsulation effect of device, prolongs the life of device, also reduces the preparation cost.
Drawings
Fig. 1 is a schematic structural view of the upper screen printing plate according to the present embodiment;
fig. 2 is a schematic structural diagram of the lower screen printing plate according to the present embodiment;
fig. 3 is a top view of the alignment and pressing of the upper and lower screen plates according to the present embodiment;
fig. 4 is a schematic structural diagram of the alignment and pressing of the upper and lower screen plates in this embodiment.
Description of reference numerals:
1. an upper frame;
2. a first inner web;
3. opening a hole;
4. a groove;
5. a lower frame;
6. a second inner web;
7. a boss;
8. and (4) screen printing the area.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1 to 4, the present embodiment provides a screen structure, which includes an upper screen and a lower screen, wherein the upper screen and the lower screen are generally rectangular, and in some cases, may be circular, diamond-shaped, and the like. The upper net plate comprises an upper frame 1, a first inner net 2 and an opening 3. First intranet 2 sets up on the inner wall of last frame 1, and it is right to go up frame 1 first intranet 2 applys the pulling force of directional frame outside, explains that, has minute hole on first intranet (with the second intranet), only can let the glass that is located first intranet one side glue permeate through to go to the another side of first intranet. The openings 3 are provided in the first inner web 2. Lower screen plate includes boss 7, boss 7 sets up screen plate is surperficial down, and when last screen plate was counterpointed the pressfitting with lower screen plate, the laminating of first intranet 2 screen plate surface just down the boss 7 is arranged in trompil 3, and has been left the clearance of surrounding boss round between the edge of trompil and the edge of boss, and the clearance is as the screen printing region 8 that glass glued, and the structure is as shown in fig. 3 and fig. 4. Preferably, these screen printing areas 8 are of equal width, and a circle of sealed screen printing areas of equal width outside the structure to be packaged can better isolate water vapor, although in some embodiments, the screen printing areas 8 may be of different widths. Preferably, the first inner web and the second inner web are flat. The cross-section of the opening 3 and the boss 7 may be circular, rectangular, polygonal, or the like. Preferably, the cross section of the opening 3 and the boss 7 is rectangular, and a screen printing area 8 is arranged between the edges of the four sides of the opening 3 and the edges of the four sides of the boss. If the cross-section of the aperture 3 and the boss 7 is circular, there is a screen printed area 8 between the full edge of the aperture 3 and the full edge of the boss.
According to the technical scheme, the upper screen plate and the lower screen plate are pressed, and the glass cement is enabled to be smooth in surface and good in height uniformity in a mode of transferring the glass cement onto glass. Can avoid the appearance that screen printing process glass glued the shape of a saddle to improve the sunken problem of glass glue, promote the encapsulation effect of device, prolong the life of device, also reduce preparation cost.
In this embodiment, the lower screen further includes a lower frame 5 and a second inner mesh 6, the second inner mesh 6 is disposed on an inner wall of the lower frame, the lower frame 5 applies a pulling force to the second inner mesh 6, the pulling force being directed to an outer side of the frame, and the second inner mesh 6 is provided with the boss 7. Or in some embodiments, the lower screen plate includes the lower frame 5 and the boss 7, and the boss 7 may be disposed on the lower frame 5.
Preferably, the first inner net is arranged at the bottom of the side wall of the upper frame, and the bottom surfaces of the first inner net and the upper frame are flat. The second intranet sets up the top region of lower frame lateral wall for the trompil (for the blind hole) of the first intranet of upper frame lid is established on the boss of lower frame second intranet. Further, the thickness of the first inner net is the same as the height of the boss, and the upper surface of the first inner net is located on the same horizontal plane with the boss when the upper screen plate and the lower screen plate are in counterpoint pressing. Since the bosses are elastic bosses, the first inner web can press the bosses downward so that the heights of the bosses can be appropriately adjusted according to the weight of glass pressed thereon. It is noted that the lower surface of the first interior web and the upper surface of the first interior web refer to the side of the first interior web to which the second interior web is to be attached, and the upper surface of the first interior web is the other side of the first interior web.
In this embodiment, in order to enable the upper screen plate and the lower screen plate to achieve accurate alignment and pressing, and also to prevent the upper screen plate and the lower screen plate from shifting, an alignment mechanism is disposed between the upper screen plate and the lower screen plate. The counterpoint mechanism can be constant head tank and location lug, the constant head tank sets up down the half tone with on the one side (lower frame or boss department) of net version contact, the location lug sets up on the half tone with on the one side (last frame or trompil department) of net version contact down, the shape of location lug with the shape adaptation of constant head tank for during the location lug card goes into the constant head tank, realize the counterpoint pressfitting between half tone and the lower net version.
In some embodiments, the alignment mechanism may be respectively disposed at the side of the upper frame and the side of the lower frame, and at this time, the alignment mechanism may perform alignment and pressing on the upper frame and the lower frame in a fastening manner.
In this embodiment, in order to prevent the two screens from forming a saddle shape on the two sides carrying the glass paste during the demolding process, the two screens are provided with the nano-coating. Specifically, the surface of the upper screen plate and/or the lower screen plate is provided with a nano coating, the microstructure of the nano coating is a micron-sized mastoid structure, and the depressions among the mastoids are filled with air, so that an extremely thin air layer with the thickness of only nanometer level is formed, and the surface has a self-cleaning effect. The adhesive capacity of the nano coating to the glass cement is smaller than that of the upper screen (or the lower screen) to the glass cement, so that the glass cement is not easy to be brought by the screen during demolding. The nano coating can be nano titanium nitride (TiN), nano titanium carbonitride (TiCN), nano zinc oxide, nano silicon dioxide or other materials with similar functions. In general, the entire surfaces of the upper and lower screen plates (including the upper and lower rims) may be provided with the nano-coating layer. Of course, the nano-coating can be arranged on the first inner net, the second inner net, the opening and the boss close to the screen printing area, so that the nano-coating can be saved and the cost can be reduced partially. The utility model provides a have the nanometer coating of automatically cleaning effect on the half tone, the nanometer coating can not the adhesion glass glue for at last half tone or half tone down at the drawing of patterns in-process, do not influence the shape that glass glued, avoid the sunken emergence of shape of a saddle. The screen printing plate structure can improve the packaging effect when the back plate glass and the cover plate glass are attached, so that the luminescent material in the panel is not easily damaged by external water oxygen, and the service life of the panel is prolonged.
In this embodiment, the nano-coating layer can be formed on the screen printing plate by chemical vapor deposition, physical vapor deposition, electrodeposition, plasma spraying, and the like.
In this embodiment, because the height of the glass paste is correspondingly changed according to different packaging processes, and the height of the coated glass paste is generally 13 μm, the screen printing plate of the present application also needs to have a function of adjusting the height of the glass paste. The height of the boss is 15-20 muir (mum), the material of the boss is an elastic material, and the elastic material is a material with rebound characteristics such as rubber (natural rubber, synthetic rubber or thermoplastic elastomer) or memory alloy. Among them, Thermoplastic elastomers such as Thermoplastic Polyurethanes (TPU), Thermoplastic polyester elastomers (TPEE), etc., synthetic rubbers such as cis-butadiene rubber (cis-1, 4-polybutadiene rubber), isoprene rubber (cis-1, 4-polyisoprene rubber), etc., memory alloys such as nickel-titanium memory alloy, copper-zinc memory alloy, silver-chromium memory alloy, etc. Therefore, the height of the boss with elasticity and the weight of glass pressed on the boss can be properly adjusted, so that the height of glass cement can be controlled to be suitable for different packaging processes.
In this embodiment, the opening and the boss are plural, the plural openings are uniformly distributed on the first inner net, the plural bosses are uniformly distributed on the second inner net, and one boss corresponds to one opening. The plurality of openings and the plurality of bosses form a plurality of screen printing areas, and the specific number can be adjusted according to the size of the screen printing plate structure or the packaging condition.
In this embodiment, in order to conveniently grab the screen printing plate and prevent the screen printing plate from falling, a groove 4 is formed in the upper frame 1, and the groove 4 is used for grabbing the screen printing plate. Generally, grooves 4 are provided on both sides of the upper frame 1 for facilitating the taking and placing of the screen printing plate. Further, a groove 4 can be formed in the lower frame, a frosted structure is arranged on the inner surface or the outer surface of the groove 4 of the upper frame and the lower frame, the frosted structure can be small bumps or long-strip-shaped bumps which are uniformly distributed, friction can be increased, and the screen printing plate is not prone to falling.
In the present embodiment, in order to solve the problem that most of the screen structures in the related art are made of a material having elasticity such as a fiber material, and the amount of deformation thereof increases (belonging to a worn article) with the increase of the number of times of use, the screen is set to be a rigid screen. That is, the upper frame or the lower frame is made of rigid material, such as stainless steel, Polyimide (PI), polypropylene film, and other materials that are resistant to high temperature and not easy to deform. The rigid screen printing plate does not need to be replaced frequently like an elastic screen printing plate, can be used for coating glass cement for multiple times, can reduce the production and manufacturing cost, and also saves the consumption of materials.
The present embodiment provides a method for screening a screen structure, which applies any one of the screen structures of the present embodiment, and includes the following steps: the opening on one side of the upper screen plate and the boss of the lower screen plate are aligned and pressed, a screen printing area 8 is arranged between the edge of the opening and the edge of the boss, and the structure is shown in figures 3 and 4. And coating the glass cement (by means of blade coating and spin coating) on the screen printing area on the other surface of the upper screen (the upper surface of the first inner net) so that the glass cement fills the screen printing area. And the glass cement penetrates through the first inner net to the second inner net of the lower screen plate and is arranged around the boss, and then the upper screen plate is removed. And (3) contraposition placing an object to be packaged (such as a glass cover plate) on the boss of the lower screen printing plate, so that the glass glue of the screen printing area is pasted to the required screen printing position on the object to be packaged. And drying and forming the glass cement at the edges of the boss of the object to be packaged and the lower screen printing plate, and transferring the glass cement of the lower screen printing plate onto the object to be packaged. Finally, the lower screen is also removed. The surfaces of the upper screen plate and the lower screen plate are treated by the nano coating, and the surfaces have a self-cleaning effect, namely glass cement is not adhered, so that the shape of the glass cement is not influenced in the demolding process of the upper screen plate or the lower screen plate, and the saddle shape of the glass cement can be reduced.
And transferring the glass cement onto an object to be packaged by a rigid screen printing plate. The glass cement prepared by the transfer printing mode has smooth surface and good height uniformity. Can avoid the appearance that screen printing process glass glued the shape of a saddle to improve the sunken problem of glass glue, promote the encapsulation effect of device, prolong the life of device.
It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present patent.
Claims (10)
1. A screen structure is characterized by comprising an upper screen and a lower screen, wherein the upper screen comprises an upper frame, a first inner net and an opening, the first inner net is arranged on the inner wall of the upper frame, the upper frame applies a pulling force pointing to the outer side of the frame to the first inner net, and the opening is arranged on the first inner net;
the lower screen plate comprises a boss, the boss is arranged on the surface of the lower screen plate, when the upper screen plate and the lower screen plate are pressed in an opposite mode, a first inner net is attached to the surface of the lower screen plate, the boss is arranged in the opening, a gap surrounding the boss in a circle is reserved between the edge of the opening and the edge of the boss, and the gap serves as a screen printing area of glass cement.
2. The screen structure of claim 1, wherein the lower screen further comprises a lower frame and a second inner net, the second inner net is disposed on an inner wall of the lower frame, and the boss is disposed on the second inner net.
3. The structure of claim 1 or 2, wherein the thickness of the first inner web is the same as the height of the boss, and the upper surface of the first inner web is at the same level as the boss when the upper screen plate and the lower screen plate are pressed against each other.
4. The screen structure of claim 1 or 2, wherein an alignment mechanism is disposed between the upper screen and the lower screen.
5. The screen structure of claim 2, wherein the surface of the upper screen and/or the lower screen is provided with a nano-coating.
6. The screen structure of claim 2, wherein the upper frame has a groove for a user or a machine to grasp the screen.
7. The screen structure of claim 1, wherein the openings and the bosses are plural, the plural openings are uniformly distributed on the first inner screen, the plural bosses are uniformly distributed on the second inner screen, and one boss corresponds to one opening.
8. The screen structure of claim 1, wherein the projections are elastic projections.
9. The screen structure of claim 1, wherein the screen is a rigid screen.
10. A method of screening a screen structure using a screen structure according to any one of claims 1 to 9, comprising the steps of:
aligning and pressing the opening on one surface of the upper screen plate and the boss of the lower screen plate, wherein a screen printing area is formed between the edge of the opening and the edge of the boss;
coating glass cement on the screen printing area on the other surface of the upper screen printing plate, so that the glass cement fills the screen printing area;
removing the upper screen printing plate;
positioning an object to be packaged on a boss of the lower screen printing plate in an aligned mode, and enabling the glass cement in the screen printing area to be attached to a required screen printing position on the object to be packaged;
drying and forming the object to be packaged and the glass cement at the edge of the boss of the lower screen printing plate, and transferring the glass cement of the lower screen printing plate onto the object to be packaged;
and removing the lower screen plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010617754.7A CN111730963A (en) | 2020-06-30 | 2020-06-30 | Screen printing plate structure and screen printing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010617754.7A CN111730963A (en) | 2020-06-30 | 2020-06-30 | Screen printing plate structure and screen printing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111730963A true CN111730963A (en) | 2020-10-02 |
Family
ID=72653805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010617754.7A Pending CN111730963A (en) | 2020-06-30 | 2020-06-30 | Screen printing plate structure and screen printing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111730963A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003266631A (en) * | 2002-03-13 | 2003-09-24 | Micro-Tec Co Ltd | Method for placing adhesive and screen printer |
| CN1499589A (en) * | 2002-11-04 | 2004-05-26 | 矽统科技股份有限公司 | Procedure of encapsulating composite crystal and device |
| CN102202907A (en) * | 2008-09-26 | 2011-09-28 | Nb技术股份有限公司 | Screen printing frame |
| CN204278722U (en) * | 2014-12-08 | 2015-04-22 | 京东方科技集团股份有限公司 | A kind of half tone and display device |
| CN105058957A (en) * | 2015-07-27 | 2015-11-18 | 京东方科技集团股份有限公司 | Screen, manufacturing method of screen, packaging method, display panel and display device |
| JP2016132225A (en) * | 2015-01-22 | 2016-07-25 | 理想科学工業株式会社 | Screen printer |
| CN106356392A (en) * | 2016-09-09 | 2017-01-25 | 京东方科技集团股份有限公司 | Display substrate, production method and display equipment |
| CN107031175A (en) * | 2017-04-11 | 2017-08-11 | 京东方科技集团股份有限公司 | A kind of silk-screen printing mask plate, board, equipment and method for printing screen |
| CN107215086A (en) * | 2017-06-02 | 2017-09-29 | 京东方科技集团股份有限公司 | A kind of printing screen plate and printing process |
| CN212587523U (en) * | 2020-06-30 | 2021-02-23 | 福建华佳彩有限公司 | Screen printing plate structure |
-
2020
- 2020-06-30 CN CN202010617754.7A patent/CN111730963A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003266631A (en) * | 2002-03-13 | 2003-09-24 | Micro-Tec Co Ltd | Method for placing adhesive and screen printer |
| CN1499589A (en) * | 2002-11-04 | 2004-05-26 | 矽统科技股份有限公司 | Procedure of encapsulating composite crystal and device |
| CN102202907A (en) * | 2008-09-26 | 2011-09-28 | Nb技术股份有限公司 | Screen printing frame |
| CN204278722U (en) * | 2014-12-08 | 2015-04-22 | 京东方科技集团股份有限公司 | A kind of half tone and display device |
| JP2016132225A (en) * | 2015-01-22 | 2016-07-25 | 理想科学工業株式会社 | Screen printer |
| CN105058957A (en) * | 2015-07-27 | 2015-11-18 | 京东方科技集团股份有限公司 | Screen, manufacturing method of screen, packaging method, display panel and display device |
| CN106356392A (en) * | 2016-09-09 | 2017-01-25 | 京东方科技集团股份有限公司 | Display substrate, production method and display equipment |
| CN107031175A (en) * | 2017-04-11 | 2017-08-11 | 京东方科技集团股份有限公司 | A kind of silk-screen printing mask plate, board, equipment and method for printing screen |
| CN107215086A (en) * | 2017-06-02 | 2017-09-29 | 京东方科技集团股份有限公司 | A kind of printing screen plate and printing process |
| CN212587523U (en) * | 2020-06-30 | 2021-02-23 | 福建华佳彩有限公司 | Screen printing plate structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212587523U (en) | Screen printing plate structure | |
| CN100498451C (en) | Liquid crystal panel and producing method | |
| KR100702070B1 (en) | Method for holding substrate in vacuum, method for manufacturing liquid crystal display device, and device for holding substrate | |
| CN100539007C (en) | Laser induced thermal imaging apparatus and laser induced thermal imaging method | |
| US6660547B2 (en) | Stabilization for thin substrates | |
| US20080100201A1 (en) | Organic electroluminescence device and fabricating method thereof | |
| WO2007144995A1 (en) | Display and process for producing the same | |
| JP2003086355A (en) | Sealing structure, sealing method, and sealing device for organic el element | |
| EP2161616A8 (en) | Double-layer liquid crystal lens and method for manufacturing the same | |
| WO2018119937A1 (en) | Method for manufacturing display panel | |
| WO2016095332A1 (en) | Oled touch display device and manufacturing method therefor | |
| US20170104178A1 (en) | Light emitting device and method of manufacturing a light emitting device | |
| US20160254482A1 (en) | Display panel, packaging method thereof and display device | |
| CN111730963A (en) | Screen printing plate structure and screen printing method | |
| CN113363361B (en) | Quantum dot complex, three-dimensional display element and processing method thereof | |
| CN110807990A (en) | Bending-resistant cover window and preparation method thereof | |
| CN205810869U (en) | Display device | |
| KR100979422B1 (en) | Flat Display Device and Method for Manufacturing the Same | |
| CN216434617U (en) | Electrophoresis display module | |
| WO2021233255A1 (en) | Method for manufacturing electrowetting display device, and curved-surface electrowetting display device | |
| JP6248267B2 (en) | Manufacturing method of display panel | |
| WO2020118846A1 (en) | Organic light-emitting diode (oled) panel and manufacturing method therefor | |
| CN111162202A (en) | Method and device for improving flatness of thin film packaged organic thin film layer | |
| CN109372857A (en) | The attaching method and equipment of fingerprint mould group | |
| CN213814162U (en) | Substrate, optical element, and electronic 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 |