CN114283686A - Manufacturing method of display panel - Google Patents
Manufacturing method of display panel Download PDFInfo
- Publication number
- CN114283686A CN114283686A CN202111624509.XA CN202111624509A CN114283686A CN 114283686 A CN114283686 A CN 114283686A CN 202111624509 A CN202111624509 A CN 202111624509A CN 114283686 A CN114283686 A CN 114283686A
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- substrate
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- display panel
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 98
- 238000004140 cleaning Methods 0.000 claims abstract description 46
- 239000003292 glue Substances 0.000 claims abstract description 25
- 239000004065 semiconductor Substances 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 239000005416 organic matter Substances 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 9
- 239000004973 liquid crystal related substance Substances 0.000 claims description 9
- 238000000059 patterning Methods 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 46
- 230000002950 deficient Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002858 crystal cell Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The application provides a manufacturing method of a display panel, which comprises the following steps: providing a substrate, wherein residual glue is arranged on the substrate; providing a cleaning device which comprises a cleaning machine; the cleaning machine comprises a brush unit, the brush unit comprises a first brush group, the substrate is positioned on the first brush group, and the residual glue on the substrate faces the first brush group; opening the first brush set to remove residual glue on the substrate; and forming a driving circuit layer on the substrate to obtain the array substrate. The manufacturing method of the display panel can improve the poor adhesive residue of the display panel and improve the yield of the display panel.
Description
Technical Field
The application relates to the technical field of display, in particular to a manufacturing method of a display panel.
Background
The defective polarizer causes the loss of the rework cost, productivity and labor cost of the display panel factory. Analysis shows that the main reason for the poor polarizing plate is that the effect of removing the residual glue on the glass substrate outside the liquid crystal cell is not obvious. The effect of removing the residual glue on the glass substrate in the prior art is not obvious, which causes bad residual glue of the display panel and is not beneficial to improving the yield of the display panel.
Disclosure of Invention
Therefore, the present application provides a method for manufacturing a display panel, which can improve the defective glue residue of the display panel and improve the yield of the display panel.
The application provides a manufacturing method of a display panel, which comprises the following steps:
providing a substrate, wherein residual glue is arranged on the substrate;
providing a cleaning device which comprises a cleaning machine; the cleaning machine comprises a brush unit, the brush unit comprises a first brush group, the substrate is positioned on the first brush group, and the residual glue on the substrate faces the first brush group;
opening the first brush set to remove residual glue on the substrate;
and forming a driving circuit layer on the substrate to obtain the array substrate.
In an alternative embodiment of the present application, the pressing amount between the first brush set and the base plate is 0.5mm to 1.2 mm.
In an alternative embodiment of the present application, the pressing amount between the first brush set and the base plate is 0.5mm-0.8 mm.
In an alternative embodiment of the present application, the pressing amount between the first brush set and the base plate is 0.5mm to 0.6 mm.
In an alternative embodiment of the present application, the brush unit further includes a second brush group, and the base plate is located between the first brush group and the second brush group.
In an alternative embodiment of the present application, the second brush set is not open.
In an optional embodiment of the present application, the cleaning device further comprises:
an uploading unit positioned at one side of the cleaning machine and used for transferring the substrate into the brush unit, and enabling the substrate to be positioned between the first brush group and the second brush group; and
and the unloading unit is positioned on one side of the cleaning machine and is used for taking out the cleaned substrate from the interior of the cleaning machine.
In an optional embodiment of the present application, the cleaning machine further includes an organic matter removing unit, a cleaning unit, a drying unit, and a transferring assembly;
the organic matter removing unit is positioned between the uploading unit and the brush unit and is used for removing organic matters on the substrate from the uploading unit;
the cleaning unit is positioned at one side of the brush unit and is used for cleaning the substrate from the brush unit;
the drying unit is located between the cleaning unit and the unloading unit and is used for drying the substrate from the cleaning unit; and
the transfer assembly is used for transferring the substrate among the organic matter removing unit, the brush unit, the cleaning unit, the drying unit and the unloading unit.
In an alternative embodiment of the present application, the driving circuit layer includes a semiconductor layer formed on the substrate; the manufacturing method of the semiconductor layer comprises the following steps:
forming an initial semiconductor layer on the substrate from which the residual glue is removed;
forming a light blocking layer on the initial semiconductor layer;
patterning the light blocking layer;
patterning the initial semiconductor layer to obtain the semiconductor layer; and
and removing the patterned light blocking layer.
In an optional embodiment of the present application, the method for manufacturing a display panel further includes:
and providing a color film substrate and liquid crystal, and packaging the liquid crystal between the array substrate and the color film substrate.
According to the manufacturing method of the display panel, before the active layer is formed on the substrate, the substrate is cleaned firstly, and the first brush set (the second brush set is not opened) in the cleaning device is opened to effectively remove the residual glue on the substrate, so that the defective residual glue of the display panel is improved, and the yield of the display panel is improved. In addition, the pressure between the substrate and the first brush set is adjusted to be kept between 0.5mm and 1.2mm, so that the risk of breaking the substrate can be reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart of a method for manufacturing a display panel according to a preferred embodiment of the present application.
Fig. 2 is a cross-sectional view of a substrate with residual glue according to a preferred embodiment of the present application.
Fig. 3 is a cross-sectional view of the substrate after the residual glue is removed.
Fig. 4 is a block diagram of a cleaning apparatus according to a preferred embodiment of the present invention.
Fig. 5 is a cross-sectional view of a display panel obtained by forming a driving circuit layer, a liquid crystal layer, and a color filter substrate on the substrate shown in fig. 3.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The present application may repeat reference numerals and/or letters in the various implementations, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various implementations and/or configurations discussed.
This application can cause the polarizing plate badly, cause the technical problem of the loss of the repeated working cost of display panel factory, productivity and human cost to the cull on the current base plate, and this application is through before forming the active layer on the base plate, it is right earlier the base plate washs, and does not open through opening first brush group (second brush group) among the belt cleaning device to the cull on the base plate is effectually got rid of, thereby improves display panel's cull harmfully and promotes display panel's yield. In addition, the pressure between the substrate and the first brush set is adjusted to be kept between 0.5mm and 1.2mm, so that the risk of breaking the substrate can be reduced.
Referring to fig. 1-5, a method for manufacturing a display panel according to a preferred embodiment of the present application includes:
step S1, please refer to fig. 2, providing a substrate 10, wherein the substrate 10 has residual glue 11 thereon.
Step S2, please refer to fig. 3 and 4, a cleaning apparatus is provided, the cleaning apparatus includes a cleaning machine 300, the cleaning machine 300 includes a brush unit 320, the brush unit 320 includes a first brush set 321, the substrate 10 is located on the first brush set 321, and the residual glue 11 on the substrate 10 faces the first brush set 321.
In an alternative embodiment of the present application, the brush unit 320 further includes a second brush group 322, and the substrate 10 is located between the first brush group 321 and the second brush group 322.
In an alternative embodiment of the present application, the cleaning apparatus further includes an uploading unit 200 and an unloading unit 400. The upload unit 200 is located at a side of the cleaning machine 300 and serves to transfer the substrate 10 into the brush unit 320 such that the substrate 10 is located between the first and second brush groups 321 and 322. The unloading unit 400 is located at one side of the cleaning machine 300 and serves as a placement point of the cleaned substrate 10.
In an alternative embodiment of the present application, the washing machine 300 further includes an organic matter removing unit 310, a washing unit 330, a drying unit 340, and a transferring assembly (not shown). The organic matter removing unit 310 is located between the uploading unit 200 and the brush unit 320 and is used to remove organic matter from the substrate 10 of the uploading unit 200. The cleaning unit 330 is located at one side of the brush unit 320 and is used to clean the substrate 10 from the brush unit 320. The drying unit 340 is located between the cleaning unit 330 and the unloading unit 400 and serves to dry the substrate 10 from the cleaning unit 330. The transfer unit is used for transferring the substrate 10 among the organic matter removing unit 310, the brush unit 320, the cleaning unit 330, the drying unit 340, and the unloading unit 400.
In step S3, please refer to fig. 4, the first brush set 321 is turned on to remove the residual glue 11 on the substrate 10.
Specifically, step S3 further includes regulating the amount of pressure between the first brush set 321 and the substrate 10. The pressing amount between the first brush group 321 and the substrate 10 is the width of the gap between the first brush group 321 and the substrate 10, that is, the distance between the first brush group 321 and the substrate 10.
In an alternative embodiment of the present application, the pressing amount between the first brush set 321 and the base plate 10 is 0.5mm-1.2 mm.
In an alternative embodiment of the present application, the pressing amount between the first brush set 321 and the base plate 10 is 0.5mm-0.8 mm.
In an alternative embodiment of the present application, the pressing amount between the first brush set 321 and the base plate 10 is 0.5mm-0.6 mm.
The cleaning effect is improved by adjusting the pressing amount between the substrate 10 and the first brush set 321 to be between 0.5mm and 1.2mm, and the scratching and the breakage are avoided, so that the yield of the display panel can be further improved.
In an alternative embodiment of the present application, the first brush group 321 includes four brushes, and the substrate 10 is cleaned by the brushes. In other embodiments, the number of the brushes included in the first brush set 321 may be set and adjusted according to actual situations.
In other embodiments of the present application, the brush unit 320 may not include the second brush group 322.
In step S4, referring to fig. 5, a driving circuit layer 20 is formed on the substrate 10 to obtain an array substrate 110.
Wherein the driving circuit layer 20 includes a semiconductor layer (not shown) formed on the substrate 10; the manufacturing method of the semiconductor layer comprises the following steps: forming an initial semiconductor layer on the substrate 10 from which the residual glue 11 is removed; forming a light blocking layer on the initial semiconductor layer; patterning the light blocking layer; patterning the initial semiconductor layer to obtain the semiconductor layer; and removing the patterned light blocking layer.
The driving circuit layer 20 further includes a gate insulating layer (not shown) formed on the substrate 10 and covering the semiconductor layer, a gate electrode (not shown) formed on the gate insulating layer, a first interlayer insulating layer (not shown) formed on the gate insulating layer and covering the gate electrode, a source electrode and a drain electrode (not shown) formed on the first interlayer insulating layer, a passivation layer (not shown) formed on the first interlayer insulating layer and covering the source electrode and the drain electrode, a planarization layer (not shown) formed on the passivation layer, a pixel electrode (not shown) formed on the planarization layer, and a first alignment film (not shown) formed on the planarization layer and covering the pixel electrode. The source electrode and the drain electrode are electrically connected with the semiconductor layer respectively, and the pixel electrode is electrically connected with the drain electrode.
In step S5, please refer to fig. 5, a color film substrate 120 and a liquid crystal 130 are provided, and the liquid crystal 130 is encapsulated between the array substrate 110 and the color film substrate 120, so as to obtain the display panel 100.
The color filter substrate 120 includes a substrate (not shown), a black matrix (not shown) disposed on the substrate, a color filter layer (not shown) disposed on the substrate, a planarization layer (not shown) disposed on the black matrix and the color filter layer, a common electrode (not shown) disposed on the planarization layer, and a second alignment film formed on the planarization layer and covering the common electrode. The liquid crystal 130 is positioned between the first alignment film and the second alignment film. The common electrode is opposite to the pixel electrode.
According to the manufacturing method of the display panel, before the active layer is formed on the substrate, the substrate is cleaned, and the first brush set (the second brush set is not opened) in the cleaning device is opened to effectively remove the residual glue on the substrate, so that the poor residual glue of the display panel is improved, the yield of the display panel is improved, and the material cost, the production capacity cost and the labor cost benefit are reduced. In addition, the pressure between the substrate and the first brush set is adjusted to be kept between 0.5mm and 1.2mm, so that the risk of breaking the substrate can be reduced.
The above detailed description is made on the manufacturing method of the display panel provided in the embodiment of the present application, and a specific example is applied in the detailed description to explain the principle and the implementation of the present application, and the description of the above embodiment is only used to help understanding the technical solution and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. A method for manufacturing a display panel is characterized by comprising the following steps:
providing a substrate, wherein residual glue is arranged on the substrate;
providing a cleaning device which comprises a cleaning machine; the cleaning machine comprises a brush unit, the brush unit comprises a first brush group, the substrate is positioned on the first brush group, and the residual glue on the substrate faces the first brush group;
opening the first brush set to remove residual glue on the substrate;
and forming a driving circuit layer on the substrate to obtain the array substrate.
2. The method of manufacturing a display panel according to claim 1, wherein a pressing amount between the first brush group and the substrate is 0.5mm to 1.2 mm.
3. The method of manufacturing a display panel according to claim 2, wherein a pressing amount between the first brush group and the substrate is 0.5mm to 0.8 mm.
4. The method of claim 3, wherein a pressing amount between the first brush set and the substrate is 0.5mm to 0.6 mm.
5. The method of manufacturing a display panel according to any one of claims 1 to 4, wherein the brush unit further includes a second brush group, and the substrate is located between the first brush group and the second brush group.
6. The method of manufacturing a display panel according to claim 5, wherein the second brush group is not turned on.
7. The method for manufacturing a display panel according to claim 5, wherein the cleaning device further comprises:
an uploading unit positioned at one side of the cleaning machine and used for transferring the substrate into the brush unit, and enabling the substrate to be positioned between the first brush group and the second brush group; and
and the unloading unit is positioned on one side of the cleaning machine and is used as a placing point of the cleaned substrate.
8. The method for manufacturing a display panel according to claim 7, wherein the cleaning machine further comprises an organic matter removing unit, a cleaning unit, a drying unit, and a transferring unit;
the organic matter removing unit is positioned between the uploading unit and the brush unit and is used for removing organic matters on the substrate from the uploading unit;
the cleaning unit is positioned at one side of the brush unit and is used for cleaning the substrate from the brush unit;
the drying unit is located between the cleaning unit and the unloading unit and is used for drying the substrate from the cleaning unit; and
the transfer assembly is used for transferring the substrate among the organic matter removing unit, the brush unit, the cleaning unit, the drying unit and the unloading unit.
9. The method for manufacturing a display panel according to claim 1, wherein the driver circuit layer includes a semiconductor layer formed on the substrate; the manufacturing method of the semiconductor layer comprises the following steps:
forming an initial semiconductor layer on the substrate from which the residual glue is removed;
forming a light blocking layer on the initial semiconductor layer;
patterning the light blocking layer;
patterning the initial semiconductor layer to obtain the semiconductor layer; and
and removing the patterned light blocking layer.
10. The method for manufacturing a display panel according to claim 1, further comprising:
and providing a color film substrate and liquid crystal, and packaging the liquid crystal between the array substrate and the color film substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111624509.XA CN114283686B (en) | 2021-12-28 | 2021-12-28 | Manufacturing method of display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111624509.XA CN114283686B (en) | 2021-12-28 | 2021-12-28 | Manufacturing method of display panel |
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| Publication Number | Publication Date |
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| CN114283686A true CN114283686A (en) | 2022-04-05 |
| CN114283686B CN114283686B (en) | 2023-11-28 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101130187A (en) * | 2006-08-24 | 2008-02-27 | 株式会社日立高科技 | Substrate cleaning device, substrate cleaning method and substrate manufacture method |
| JP2008212862A (en) * | 2007-03-06 | 2008-09-18 | Hitachi High-Technologies Corp | Method and device for cleaning panel and method for manufacturing flat panel display |
| CN107159602A (en) * | 2017-05-03 | 2017-09-15 | 深圳市华星光电技术有限公司 | Substrate cleaning apparatus |
| CN107442538A (en) * | 2017-08-17 | 2017-12-08 | 京东方科技集团股份有限公司 | Cleaning device and cleaning method |
| CN209231639U (en) * | 2019-01-29 | 2019-08-09 | 昆山龙腾光电有限公司 | A kind of ACF pressure adsorption device |
| CN210694511U (en) * | 2019-04-03 | 2020-06-05 | 珠海市斗门三元泰电子有限公司 | Glue removing device for circuit board production |
-
2021
- 2021-12-28 CN CN202111624509.XA patent/CN114283686B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101130187A (en) * | 2006-08-24 | 2008-02-27 | 株式会社日立高科技 | Substrate cleaning device, substrate cleaning method and substrate manufacture method |
| JP2008212862A (en) * | 2007-03-06 | 2008-09-18 | Hitachi High-Technologies Corp | Method and device for cleaning panel and method for manufacturing flat panel display |
| CN107159602A (en) * | 2017-05-03 | 2017-09-15 | 深圳市华星光电技术有限公司 | Substrate cleaning apparatus |
| CN107442538A (en) * | 2017-08-17 | 2017-12-08 | 京东方科技集团股份有限公司 | Cleaning device and cleaning method |
| CN209231639U (en) * | 2019-01-29 | 2019-08-09 | 昆山龙腾光电有限公司 | A kind of ACF pressure adsorption device |
| CN210694511U (en) * | 2019-04-03 | 2020-06-05 | 珠海市斗门三元泰电子有限公司 | Glue removing device for circuit board production |
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| CN114283686B (en) | 2023-11-28 |
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