CN116442672A - Printing method of Miniled display substrate - Google Patents
Printing method of Miniled display substrate Download PDFInfo
- Publication number
- CN116442672A CN116442672A CN202310473988.2A CN202310473988A CN116442672A CN 116442672 A CN116442672 A CN 116442672A CN 202310473988 A CN202310473988 A CN 202310473988A CN 116442672 A CN116442672 A CN 116442672A
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- Prior art keywords
- substrate
- groove
- cover plate
- jig
- hole
- Prior art date
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- 239000000758 substrate Substances 0.000 title claims abstract description 109
- 238000007639 printing Methods 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 47
- 239000010959 steel Substances 0.000 claims abstract description 47
- 238000000605 extraction Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 47
- 239000012528 membrane Substances 0.000 claims description 16
- 239000012790 adhesive layer Substances 0.000 claims description 9
- 239000010410 layer Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000007779 soft material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000004834 spray adhesive Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
- B41F15/0881—Machines for printing on polyhedral articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/16—Printing tables
- B41F15/18—Supports for workpieces
- B41F15/26—Supports for workpieces for articles with flat surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2200/00—Printing processes
- B41P2200/40—Screen printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2215/00—Screen printing machines
- B41P2215/50—Screen printing machines for particular purposes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/01—Tools for processing; Objects used during processing
- H05K2203/0104—Tools for processing; Objects used during processing for patterning or coating
- H05K2203/0126—Dispenser, e.g. for solder paste, for supplying conductive paste for screen printing or for filling holes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Screen Printers (AREA)
Abstract
The invention provides a printing method of a Miniled display substrate, which comprises the following steps: (1) Placing the substrate in the groove so that the substrate is clamped into the groove; (2) Placing the jig cover plate with the matched height on a placing platform, so that through holes in the middle of the jig cover plate are correspondingly aligned with the base plate placed in the groove; (3) Connecting the air extraction equipment with a connecting port at the bottom of the jig base, and then starting the air extraction equipment to enable the substrate to be sucked in the groove; (4) The steel mesh moves and presses on the jig cover plate to finish the printing of the base plate, so that the printing gaps of different base plates are kept consistent, the printing effect of the base plate is improved, and meanwhile, the printing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of circuit board printing, in particular to a printing method of a Miniled display substrate.
Background
With the trend of light, thin, short and small electronic products, miniled display products are widely applied to the commercial fields of ultra-large screen high-definition display, such as monitoring command, high-definition performance, high-end cinema, medical diagnosis, advertisement display, conference exhibition, office display, virtual reality and the like, more Miniled can be carried on a circuit substrate, at present, a substrate line is exposed or a line is coated with a thinner BM layer, dislocation friction can occur between the substrate and the substrate during solder printing, the substrate is damaged, the line is opened, the main solution in the industry is to increase the printing gap during printing and debugging, namely the distance between the steel screen and the substrate ensures that the substrate is not contacted with the steel screen during printing, but the scheme has the following problems that whether the printing gap is contacted or not is confirmed by visual confirmation after only personnel set equipment parameters, in addition, the steel mesh is suspended in the printing process, so that the stress of a mesh sealing area of the steel mesh frame is larger, the steel mesh is easy to severely shrink in the use process, the service life is obviously lower, the production cost is improved, in order to solve the abrasion problem of the steel mesh and the substrate, in the prior art, a film pasting technology is adopted under the steel mesh, such as the technology of Chinese patent application No. 202020902655.9 and the bulletin day No. 2021.08.10, the steel mesh with the protective film is used for being attached to the substrate to be printed, specifically, the steel mesh with the protective film comprises the steel mesh and at least one protective film, the steel mesh is provided with through holes, the steel mesh comprises a first surface and a second surface which are opposite, the second surface is wrapped towards the substrate to be printed, the protection film is arranged on the second surface, a hollowed-out area is arranged at a position, corresponding to the through hole, on the protection film, and the protection film is in contact with the substrate, so that the steel mesh is prevented from being in direct contact with the substrate, and the problems that a steel plate is not pressure-resistant and a line is easy to scratch in the existing Mini-LED circuit substrate printing process are solved. But this structure needs to spray adhesive to the second surface of steel mesh just can paste the protection film on the second surface of steel mesh, because the thickness of different base plates probably can have the difference, and when the distance in clearance between steel mesh and base plate need be held, need change the protection film of different thickness just can reach the effect, change process troublesome operation, influences base plate printing efficiency easily.
Disclosure of Invention
The invention aims to provide a printing method of a Miniled display substrate, which can control the gap between a steel mesh and the substrate by changing the thickness of a cover plate, so that the printing gaps of different substrates are kept consistent, the printing effect of the substrate is improved, and the printing efficiency is improved.
In order to achieve the above purpose, the printing method of the Miniled display substrate comprises a jig base and a jig cover plate, wherein the middle part of the jig base is sunken towards the inner direction to form a sunken area, the sunken area comprises a groove and a placing platform, the middle area of the groove is provided with a vent hole, the bottom of the jig base is provided with a connecting port, the vent hole is connected with air extraction equipment through the connecting port, the periphery of the groove is outwards protruded along the height direction of the side wall of the sunken area to form the placing platform, the groove is used for placing the substrate, the placing platform is used for placing the jig cover plate, the thickness of the jig cover plate is larger than or equal to the height from the end face of the placing platform to the top end face of the jig base, the middle part of the jig cover plate is provided with a through hole, and the size of the through hole is matched with the size of the groove;
the method comprises the following specific steps:
(1) Placing the substrate in the groove, so that the substrate is clamped into the groove, and the top surface of the functional area of the substrate after clamping is higher than the top surface of the groove;
(2) A jig cover plate with a thickness h2 is determined according to the required printing interval h3, the thickness h4 of the steel mesh and the height h1 of the protruding groove of the substrate, and is placed on a placing platform, so that a through hole in the middle of the jig cover plate is correspondingly aligned with the substrate placed in the groove;
(3) Connecting the air extraction equipment with a connecting port at the bottom of the jig base, and then starting the air extraction equipment to enable the substrate to be sucked in the groove;
(4) And pressing the steel mesh on the top surfaces of the jig cover plate and the jig base, and printing the base plate through the steel mesh.
The device is characterized in that the groove is formed in the middle of the jig base, the vent holes are formed in the groove, and meanwhile, the device is connected with the air extraction equipment through the connecting port at the bottom of the jig base, so that the substrate is adsorbed in the groove by extracting air in the cavity of the jig base; in addition, through setting up place platform, can place the tool apron on place platform, simultaneously after confirming required printing interval, only need change the printing apron of different thickness can guarantee that the printing interval of every base plate is same effect, the printing effect is high, the apron also can prevent the steel mesh simultaneously and damage the base plate at the friction between removal in-process and the base plate, only need change the tool apron of different thickness when printing different interval values simultaneously, thereby improve base plate printing efficiency, in addition, the top surface of the functional area of base plate is higher than the top surface of recess, make the base plate place behind the recess, the base plate is higher than place platform, be convenient for adjust the clearance distance between steel mesh and the base plate through using the tool apron of different thickness.
Further, the two sides of the jig base outwards extend to form a boss.
Above setting is convenient for manual removal tool base.
Further, according to the required printing interval h3, the thickness h4 of the steel mesh and the height h1 of the substrate functional area higher than the placement platform, a jig cover plate with the thickness h2 is determined through a formula h2=h3+h1-h 4.
The thickness of the cover plate can be conveniently determined by the formula through the thickness of the steel mesh and the required printing interval, so that consistent printing is convenient.
Further, the thickness of the jig cover plate is set to be 0.02 mm-0.2 mm.
Above setting, when this thickness can ensure the uniformity of base plate printing, thereby the thickness of tool apron can not be too thick can not make the too big problem that leads to the printing unreliable of interval between steel mesh and the base plate.
Further, the substrate comprises a functional area, the width of the functional area is smaller than that of the through hole on the jig cover plate, and meanwhile, the width of the through hole is smaller than that of the groove; the length of the functional area is smaller than that of the through hole on the jig cover plate, and meanwhile, the length of the through hole is smaller than that of the groove.
Above setting, the base plate of being convenient for is placed in the recess after, when the tool apron was placed on place the platform, can the functional area of base plate just fall in the through-hole of tool apron.
Further, a film material is arranged on the nonfunctional area of the substrate, the film material comprises more than two through holes and an adhesive surface, the size of the film material is larger than or equal to that of the substrate, the film material is provided with through holes corresponding to the functional area, an adhesive layer is arranged between the film material and the contact surface of the substrate, more than one first through hole is arranged at the position corresponding to the nonfunctional area of the film material, the film material is adhered to the substrate before the step (1), the through holes of the film material correspond to the functional area of the substrate, then the film material is adhered to the upper side of the substrate, and if bubbles appear on the substrate when the film material is adhered to the substrate, the bubbles of the film material are pushed and pressed, so that the bubbles flow out of the first through holes.
Above setting, through setting up the membrane material on the base plate to can prevent dislocation friction influence between apron and the base plate, and directly paste the membrane material and attach on the base plate, need not to handle below the steel mesh, printing process is simple, sets up first through-hole on the membrane material simultaneously, makes things convenient for the bubble to flow from first through-hole, prevents that the bubble from exists and makes the apron uneven condition take place.
Further, according to the required printing interval h3, the thickness h4 of the steel mesh, the height h1 of the substrate functional area higher than the placement platform, and the thickness h6 of the film, a jig cover plate with a thickness h2 is determined according to the formula h2=h3+h1-h 4-h 6.
The thickness of the jig cover plate can be determined only by printing the distance, the thickness of the steel mesh, the thickness of the film material and the height of the substrate functional area higher than the placing platform, and the operation is convenient.
Further, the height of the upper end face of the membrane material is smaller than that of the upper end face of the functional area.
Above setting can flow out the steel mesh at the up end of membrane material and place the position for the height after placing the steel mesh on the membrane material is the same level with the height of functional area up end, is convenient for realize printing.
Further, the first through hole comprises a first opening and a second opening, the first opening is arranged on one side far away from the bonding layer, the second opening is arranged on one side of the bonding layer, and the radius of the second opening is larger than that of the first opening.
By the arrangement, the size of the opening formed in the adhesive layer is large, so that bubbles generated in the film pasting process can be removed better.
Further, the extension edge is arranged around the membrane material, the adhesive layer is arranged at the bottom of the extension edge, and the extension edge is arranged to cover the upper end face of the substrate.
By arranging the extending edges, the film can be better attached to the substrate when attached to the substrate, and the film is prevented from being separated from the substrate due to insufficient adhesion around the substrate, so that the adhesion of the film is good.
Drawings
Fig. 1 is a schematic structural diagram of a fixture base of the present invention.
Fig. 2 is a schematic structural diagram of a fixture cover plate of the present invention.
FIG. 3 is a schematic diagram of the fixture base, fixture cover, base plate and steel mesh connection of the present invention.
Fig. 4 is an enlarged view at a in fig. 3.
Fig. 5 is a perspective view of the film material.
Fig. 6 is a cross-sectional view of the film attached.
Fig. 7 is an enlarged view at B in fig. 6.
Detailed Description
Examples of the present invention will be described in further detail below with reference to the drawings and detailed description.
Example 1.
As shown in fig. 1-4, the embodiment of the invention provides a printing method of a Miniled display glass substrate, which comprises a jig base 1 and a jig cover plate 2, wherein a through hole 21 is formed in the middle of the jig cover plate 2, and in the embodiment, two sides of the jig base 1 extend outwards to form a boss 11, so that the jig base 1 can be moved manually; the bottom of the jig base 1 is provided with a connecting port (not marked in the figure), and the connecting port (not marked in the figure) is simultaneously communicated with the inner cavity of the jig base 1 and is used for connecting air extraction equipment; the middle part of the jig base 1 is recessed towards the inner direction to form a recessed area 3, the recessed area comprises a groove 31 and a placing platform 32, and a vent hole 33 is formed in the middle area of the groove 31, so that air in the cavity is conveniently pumped out by starting air pumping equipment, and a substrate 4 placed in the groove 31 is adsorbed; the periphery of the groove 31 protrudes outwards along the height direction of the side wall of the concave area 3 to form a placing platform 32, the placing platform 32 is used for placing the jig cover plate 2, in the embodiment, the thickness of the jig cover plate 2 is set to be 0.1mm, the thickness of the jig cover plate 2 is larger than or equal to the height from the end face of the placing platform 32 to the top end face of the jig base 1, in the process of printing the substrate 4, a supporting effect can be achieved on a steel mesh, in addition, the thickness of the substrate 4 is larger than or equal to the height of the placing platform 32, the clearance distance between the steel mesh and the substrate 1 is convenient to adjust by using the jig cover plates 2 with different thicknesses, in the embodiment, the substrate 1 comprises a functional area 5, the width of the functional area 5 is smaller than the width of a through hole 21 on the jig cover plate 2, and the width of the through hole 21 is smaller than the width of the groove 31; meanwhile, the length of the functional area 5 is smaller than that of the through hole 21 in the jig cover plate 2, meanwhile, the length of the through hole 21 is smaller than that of the groove 31, so that after the substrate 4 is placed in the groove 31, the functional area of the substrate 4 just falls into the through hole of the jig cover plate 2 when the jig cover plate 2 is placed on a placing platform.
As shown in fig. 4, a printing method of a Miniled display glass substrate includes the specific steps of:
(1) Placing the substrate in the groove, so that the substrate is clamped into the groove, and the top surface of the functional area of the substrate after clamping is higher than the top surface of the groove;
(2) A jig cover plate with a thickness h2 is determined according to the required printing interval h3, the thickness h4 of the steel mesh and the height h1 of the protruding groove of the substrate, and is placed on a placing platform, so that a through hole in the middle of the jig cover plate is correspondingly aligned with the substrate placed in the groove;
(3) Connecting the air extraction equipment with a connecting port at the bottom of the jig base, and then starting the air extraction equipment to enable the substrate to be sucked in the groove;
(4) And pressing the steel mesh on the top surfaces of the jig cover plate and the jig base, and printing the base plate through the steel mesh.
Example 2.
As shown in fig. 1 to 7, this embodiment 2 differs from embodiment 1 in that: a film 02 is adhered on the substrate 1, the size of the film 02 is larger than that of the functional area and is larger than or equal to that of the substrate 1, a through hole 021 matched with the functional area is arranged on the film 02, the size of the through hole 021 is consistent with that of the functional area, an adhesive layer 03 is arranged between the film 02 and the contact surface of the substrate 1, the bonding surface 022 of the film 02 is matched with a non-functional area on the surface of the substrate 1, more than one first through hole 023 is arranged on the bonding surface 022 of the film 02, the first through hole 023 comprises a first opening 0231 and a second opening 0232, the first opening 231 is arranged on one side far away from the adhesive layer 3, the second opening 232 is arranged on one side of the adhesive layer 03, the radius of the second opening 232 is larger than that of the first opening 231, in addition, an extension edge 04 is arranged around the film 2, the bottom of extension limit 04 is provided with adhesive layer 03, and extension limit 04 cladding base plate up end sets up, in this embodiment, extension limit 04 sets up with membrane material 02 an organic whole, the height of the up end of membrane material 02 is less than the height of functional area up end, membrane material 02 sets up the membrane material that is made for soft material, and soft material can be made for silica gel material or foam material, in the inseparable laminating in-process of direct contact, the laminating face 022 of membrane material 02 of being convenient for fully lays the non-functional area of laminating on the base plate 1 surface, thereby avoids the during printing, steel mesh and base plate 1 friction damage the circuit in non-functional area, and in this embodiment, membrane material 02 sets up to the uninterrupted film layer of soft material, can make membrane material 02 fully cover the circuit in non-functional area on the base plate 1 surface to improve base plate 1 printing effect.
The printing method corresponding to the embodiment comprises the following specific steps:
and (1) attaching a film material on the substrate, enabling the through holes of the film material 02 to correspond to the functional areas of the substrate 1, attaching the film material 02 above the substrate, and pushing the air bubbles of the film material when the air bubbles appear on the substrate and the film material 02 when the film material 02 is attached on the substrate 1, so that the air bubbles flow out from the first through holes.
(1) The substrate is placed in the groove, so that the substrate is clamped into the groove, and the top surface of the functional area of the substrate after clamping is higher than the top surface of the groove.
(2) According to the required printing interval h3, the thickness h4 of the steel mesh, the height h1 of the protruding groove of the substrate and the thickness h6 of the film, a jig cover plate with the thickness h2 is determined to be placed on the placement platform according to the formula h2=h3+h1-h 4-h6, so that through holes in the middle of the jig cover plate are correspondingly aligned with the substrate placed in the groove.
(3) The air extraction device is connected with a connecting port at the bottom of the jig base, and then the air extraction device is started, so that the substrate is sucked in the groove.
(4) And pressing the steel mesh on the top surfaces of the jig cover plate and the jig base, and printing the base plate through the steel mesh.
Claims (10)
1. The printing method of the Miniled display substrate comprises a jig base and a jig cover plate, and is characterized in that: the middle part of the jig base is sunken to the inside direction to form a sunken area, the sunken area comprises a groove and a placing platform, a vent hole is formed in the middle area of the groove, a connecting port is formed in the bottom of the jig base, the vent hole is connected with air extraction equipment through the connecting port, the periphery of the groove is outwards protruded to form the placing platform along the height direction of the side wall of the sunken area, the groove is used for placing a substrate, the placing platform is used for placing a jig cover plate, the thickness of the jig cover plate is greater than or equal to the height from the end face of the placing platform to the top end face of the jig base, a through hole is formed in the middle of the jig cover plate, and the size of the through hole is matched with the size of the groove;
the method comprises the following specific steps:
(1) Placing the substrate in the groove, so that the substrate is clamped into the groove, and the top surface of the functional area of the substrate after clamping is higher than the top surface of the groove;
(2) A jig cover plate with a thickness h2 is determined according to the required printing interval h3, the thickness h4 of the steel mesh and the height h1 of the protruding groove of the substrate, and is placed on a placing platform, so that a through hole in the middle of the jig cover plate is correspondingly aligned with the substrate placed in the groove;
(3) Connecting the air extraction equipment with a connecting port at the bottom of the jig base, and then starting the air extraction equipment to enable the substrate to be sucked in the groove;
(4) And pressing the steel mesh on the top surfaces of the jig cover plate and the jig base, and printing the base plate through the steel mesh.
2. The printing method of a Miniled display substrate according to claim 1, wherein: the two sides of the jig base outwards extend to form a boss.
3. The printing method of a Miniled display substrate according to claim 1, wherein: and determining a jig cover plate with a thickness h2 according to the required printing interval h3, the thickness h4 of the steel mesh and the height h1 of the substrate functional area higher than the placing platform through a formula h2=h3+h1-h 4.
4. The printing method of a Miniled display substrate according to claim 1, wherein: the thickness of the jig cover plate is set to be 0.02 mm-0.2 mm.
5. The printing method of a Miniled display substrate according to claim 1, wherein: the substrate comprises a functional area, the width of the functional area is smaller than that of the through hole on the jig cover plate, and meanwhile, the width of the through hole is smaller than that of the groove; the length of the functional area is smaller than that of the through hole on the jig cover plate, and meanwhile, the length of the through hole is smaller than that of the groove.
6. The printing method of a Miniled display substrate according to claim 1, wherein: the non-functional area on the substrate is provided with a film material, the film material comprises more than two through holes and an adhesive surface, the size of the film material is larger than or equal to that of the substrate, the film material is provided with through holes corresponding to the functional area, an adhesive layer is arranged between the film material and the contact surface of the substrate, more than one first through hole is arranged at the position corresponding to the non-functional area, the film material is adhered to the substrate before the step (1), the through holes of the film material correspond to the functional area of the substrate, then the film material is adhered to the upper side of the substrate, and if bubbles appear on the substrate when the film material is adhered to the substrate, the bubbles of the film material are pushed and pressed, so that the bubbles flow out of the first through holes.
7. The printing method of a Miniled display substrate according to claim 6, wherein: and determining a jig cover plate with a thickness h2 according to the required printing interval h3, the thickness h4 of the steel mesh, the height h1 of the substrate functional area higher than the placing platform and the thickness h6 of the film material through a formula h2=h3+h1-h 4-h 6.
8. The printing method of a Miniled display substrate according to claim 6, wherein: the height of the upper end face of the membrane material is smaller than that of the upper end face of the functional area.
9. The printing method of a Miniled display substrate according to claim 6, wherein: the first through hole comprises a first opening and a second opening, the first opening is arranged on one side far away from the bonding layer, the second opening is arranged on one side of the bonding layer, and the radius of the second opening is larger than that of the first opening.
10. The printing method of a Miniled display substrate according to claim 6, wherein: the periphery of the membrane material is provided with an extension edge, the bottom of the extension edge is provided with an adhesive layer, and the extension edge is coated on the upper end face of the substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310473988.2A CN116442672A (en) | 2023-04-28 | 2023-04-28 | Printing method of Miniled display substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310473988.2A CN116442672A (en) | 2023-04-28 | 2023-04-28 | Printing method of Miniled display substrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116442672A true CN116442672A (en) | 2023-07-18 |
Family
ID=87121946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310473988.2A Pending CN116442672A (en) | 2023-04-28 | 2023-04-28 | Printing method of Miniled display substrate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116442672A (en) |
-
2023
- 2023-04-28 CN CN202310473988.2A patent/CN116442672A/en active Pending
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