CN111679757B - Manufacturing method of touch display screen and display screen - Google Patents
Manufacturing method of touch display screen and display screen Download PDFInfo
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- CN111679757B CN111679757B CN202010364997.4A CN202010364997A CN111679757B CN 111679757 B CN111679757 B CN 111679757B CN 202010364997 A CN202010364997 A CN 202010364997A CN 111679757 B CN111679757 B CN 111679757B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Abstract
The application relates to a manufacturing method of a touch display screen and the display screen, wherein a first alignment mark is arranged on a pixel matrix substrate, an avoided alignment groove is arranged on a color film substrate, and when an oncell touch module is installed, a second alignment mark of each touch layer of the touch module can be assembled with the first alignment mark in an alignment matching way directly through grabbing the first alignment mark, so that the problems of low alignment precision, difficult label grabbing, poor registration precision and the like of the oncell touch module are solved.
Description
Technical Field
The present application relates to the field of electronic devices, and in particular, to a method for manufacturing a touch display screen and a display screen.
Background
Today, where applications of smart devices are becoming wider, users can implement very numerous and complex functions using display screens in various electronic devices.
The Oncell technology refers to a method of embedding a touch layer between a color film substrate and a polarizer of a liquid crystal display, and can be divided into single-layer touch and multi-layer touch according to the embedded structure; as the name suggests, a single touch is one with only one transparent conductive layer or ITO layer; the multi-layer touch layer generally includes a transparent conductive layer or ITO, a first protective layer, a metal layer, and a second protective layer. Whether a single touch layer or a plurality of touch layers are generally manufactured on color film substrates of the liquid crystal display after the liquid crystal display is formed into a box. For multilayer touch, the problem of layer-by-layer alignment is involved, if the first layer is made of transparent conductive layer or ITO, the contrast between the first layer and the peripheral glass substrate is low, the exposure machine cannot clearly identify the first layer, and the situations of inaccurate alignment, difficult label grasping, poor registration precision and the like are easily caused. The first layer is used as a metal layer, the position of the metal target is provided with a shielding layer at the bottom layer, and the alignment and the nesting of each layer at the back are difficult to do. Based on the problems, a novel oncell touch display screen and a manufacturing method thereof are provided for the oncell display screen, and the problems of low alignment precision of a touch layer, difficult label grabbing, poor registration precision and the like can be solved.
Content of the application
The embodiment of the application provides a manufacturing method of a touch display screen, which is applied to an oncell touch display screen and is characterized by comprising the following steps:
setting at least one group of first alignment marks in a non-display area of the pixel matrix substrate, and digging alignment grooves matched with the first alignment marks in a non-transparent layer of the color film substrate;
sequentially assembling the pixel matrix substrate, the liquid crystal and the color film substrate into a box;
and manufacturing the touch module on the upper surface of the color film substrate according to the first alignment mark.
Optionally, the disposing at least one group of first alignment marks in the non-display area of the pixel matrix substrate includes:
the first alignment mark is arranged on any metal layer of the pixel matrix substrate, and a reserved blank area is arranged at the position adjacent to the first alignment mark.
Optionally, the non-transparent layer of the pixel matrix substrate, where the first alignment mark is not provided, is hollowed out at a position corresponding to the first alignment mark.
Alternatively, each group of the first alignment marks is uniformly arranged at the opposite corners of the pixel matrix substrate.
Optionally, digging an alignment groove matched with the first alignment mark in the non-transparent layer of the color film substrate, including:
digging a corresponding position of the black shading layer of the color film substrate and the first alignment mark to form an alignment groove; and the alignment groove is larger than or equal to the sum of the first alignment mark and the reserved blank area.
Optionally, the installing the touch module between the color film substrate and the upper polarizing plate according to the first alignment mark includes:
when the touch module is a single touch layer, setting the second alignment mark on the touch layer; the touch layer grabs the position of the first alignment mark, and the touch layer is manufactured on the color film substrate by aligning the second alignment mark with the first alignment mark.
Optionally, the installing the touch module between the color film substrate and the upper polarizing plate according to the first alignment mark includes:
when the touch module is a plurality of touch layers, setting a second alignment mark and a third alignment mark on a first touch layer adjacent to the color film substrate;
the first touch layer is aligned with the first alignment mark through the second alignment mark, and the first touch layer is assembled on the color film substrate;
the touch module is used for removing the touch layer of the first touch layer, and is sequentially assembled by grabbing the third alignment mark.
Optionally, the installing the touch module between the color film substrate and the upper polarizing plate according to the first alignment mark includes:
when the touch module is a plurality of touch layers, each touch layer of the touch module is provided with a second alignment mark, and the second alignment marks among the touch layers of each layer are not overlapped;
each touch layer sequentially grabs the first alignment marks, and the first alignment marks and the second alignment marks are aligned and assembled on the color film substrate.
Optionally, the touch module includes a first conductive layer, a first protective layer, a second conductive layer, and a second protective layer that are sequentially disposed, where the first conductive layer is disposed on the color film substrate.
Optionally, the first alignment mark is a cross mark, and the second alignment mark is a loop mark.
In addition, the application also provides a display screen, comprising the manufacturing method of the touch display screen, wherein the display screen comprises an upper polaroid, a touch module, a color film substrate, liquid crystal, a pixel matrix substrate, a lower polaroid and a backlight plate which are sequentially arranged.
The embodiment of the application discloses a manufacturing method of a touch display screen and the touch display screen. The beneficial effects are that: according to the application, the first alignment mark is arranged on the pixel matrix substrate, the avoided alignment groove is arranged on the color film substrate, and when the oncell touch module is installed, the second alignment mark of each touch layer of the touch module can be assembled with the first alignment mark in an alignment matching way directly through grabbing the first alignment mark, so that the problems of low alignment precision, difficult label grabbing, poor nesting precision and the like of the oncell touch module are solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a method for manufacturing a touch display screen according to an embodiment of the present application.
Fig. 2 is a schematic stacking diagram of each layer structure of a touch display screen according to an embodiment of the present application.
Fig. 3 is a schematic view of a pixel matrix substrate according to an embodiment of the present application.
Fig. 4 is a schematic diagram of a color film substrate according to an embodiment of the present application.
Fig. 5 is a schematic diagram of a touch module and a pixel matrix substrate pair according to an embodiment of the application.
Detailed Description
Referring to the drawings, wherein like reference numbers refer to like elements throughout, the principles of the present application are illustrated in an appropriate computing environment. The following description is based on illustrative embodiments of the application and should not be taken as limiting other embodiments of the application not described in detail herein.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
The embodiment of the application provides an oncell touch module. Each of which will be described in detail below. The touch module can be arranged in the electronic equipment, and the electronic equipment can be a smart phone, a tablet personal computer, an intelligent screen and other equipment.
In the embodiment shown in fig. 1, the present application provides a method for manufacturing a touch display screen, which is applied to an oncell touch display screen, and is characterized in that the method includes:
100, setting at least one group of first alignment marks 11 and a blank area 12 reserved at the adjacent positions of the first alignment marks in the non-display area of the pixel matrix substrate 1, and digging an alignment groove 31 matched with the first alignment marks 11 in the non-transparent layer of the color film substrate 3;
in step 100, at least one group of first alignment marks 11 is disposed in the non-display area of the pixel matrix substrate 1, and alignment grooves 31 matching with the first alignment marks 11 are dug in the non-transparent layer of the color film substrate 3. The step 100 is performed on the complete pixel matrix substrate 1 and color film substrate 3. The first alignment marks 11 are arranged on the metal layer of the pixel matrix substrate 1, and the first alignment marks 11 can be arranged on four opposite corners of the non-display screen of the pixel matrix substrate 1 or other non-display area positions easy to align; the metal layer of the pixel matrix substrate 1 may be the first metal layer or another metal layer; the metal layer is a non-transparent layer, the material of the first alignment mark 11 is the same as that of the metal layer, and the metal layer and the first alignment mark 11 may be Mo, moAlMo, al, cu, other metals or metal mixtures. The color film substrate 3 and the pixel matrix substrate 1 are completely attached to each other for assembly, or may not be completely attached to each other for assembly; along the light source direction, the color film substrate 3 is disposed above the pixel matrix substrate 1, and an alignment groove 31 is dug in the pixel matrix substrate 1 at a position corresponding to the first alignment mark 11 of the pixel matrix, so that the touch module 4 can penetrate through the color film substrate 3 to capture the first alignment mark 11, where the position corresponding to the first alignment mark 11 may be right above the first alignment mark 11.
200, sequentially assembling the pixel matrix substrate 1, the liquid crystal 2 and the color film substrate 3 into a box;
in step 200, at least one group of first alignment marks 11 is disposed in the non-display area of the pixel matrix substrate 1, and after the alignment grooves 31 matching with the first alignment marks 11 are dug in the non-transparent layer of the color film substrate 3, the pixel matrix substrate 1, the liquid crystal 2 and the color film substrate 3 are sequentially manufactured into a complete display box.
And 300, manufacturing a touch module on the upper surface of the color film substrate 3 according to the first alignment mark 11.
In step 300, the touch module 4 may be a single touch layer or multiple touch layers; the second alignment mark 45 is arranged on the touch module 4, and the touch module 4 is manufactured on the color film substrate 3 by aligning the second alignment mark 45 with the first alignment mark 11. After the touch module 4 is arranged on the color film substrate 3, a polarizing plate is arranged on the upper surface of the touch module 4, and the touch module 4 is arranged between the color film substrate 3 and the polarizing plate 5.
According to the application, the first alignment marks 11 are arranged on the pixel matrix substrate, the avoided alignment grooves 31 are arranged on the color film substrate 3, and when the oncell touch module 4 is installed, the second alignment marks 45 of each touch layer of the touch module 4 can be assembled by performing alignment matching with the first alignment marks 11 directly through grabbing the first alignment marks 11, so that the problems of low alignment precision, difficult label grabbing, poor registration precision and the like of the oncell touch module 4 are solved.
In some embodiments, referring to fig. 3, at least one set of first alignment marks 11 is disposed in a non-display area of the pixel matrix substrate 1, including: the first alignment mark 11 is provided on any one of the metal layers of the pixel matrix substrate 1, and a reserved blank 12 is provided adjacent to the first alignment mark. In this embodiment, the first alignment mark 11 is provided on any one of the metal layers of the pixel matrix substrate 1, and the first alignment mark 11 may be provided on the first metal layer, or the first alignment mark 11 may be provided on the second metal layer or the third metal layer; in this embodiment, the first alignment mark 11 is disposed on any metal layer within the protection scope of the present application. The application also sets a reserved blank area 12 adjacent to the first alignment mark; the reserved space 12 may be formed by hollowing out the metal layer where the first alignment mark 11 is located, and the reserved space 12 may be formed by hollowing out the layer structure in a place where the pixel matrix substrate 1 is close to the first alignment mark 11. After the reserved blank area 12 is set, if the first layer of the touch module 4 is a metal layer, 3 alignment marks are exposed when the alignment marks on the pixel matrix substrate 1 are grasped, so that other layer structures of the touch module 4 can grasp the alignment marks on the pixel matrix substrate 1 and grasp the marks exposed by the touch metal layer on the same reference plane.
In one implementation of the above embodiment, the non-transparent layer of the pixel matrix substrate 1 where the first alignment mark 11 is not provided is hollowed out at a position corresponding to the first alignment mark 11. In the present embodiment, the non-transparent layer may be another metal layer provided on the pixel matrix substrate 1; the non-transparent layer is hollowed out at the position corresponding to the first alignment mark 11, namely, the non-transparent layer, under and/or over the first alignment mark 11, where the first alignment mark 11 is not arranged is hollowed out, so that shielding or interference of the first alignment mark 11 is avoided, and the first alignment mark 11 can be accurately grasped by the touch module 4.
In one implementation of the above embodiment, each set of first alignment marks 11 is equally disposed at opposite corners of the pixel matrix substrate 1. In this embodiment, the first alignment marks are disposed at four corners of the pixel matrix substrate 1, and the touch display screen is generally rectangular. Each group of first alignment marks 11 are uniformly arranged at the opposite corners of the pixel matrix substrate 1, so that the marks are easy to grasp, and the touch module 4 is mounted on the color film substrate 3. When the touch module 4 is in a multi-layer structure, the number of the first alignment marks 11 corresponds to the number of layers of the touch module 4; the first alignment marks 11 are respectively arranged at four opposite angles of the pixel matrix substrate 1, wherein the marks at each opposite angle can be sequentially arranged in a straight line or randomly arranged; in the present embodiment, the plurality of sets of first alignment marks 11 are arranged in a straight line at the diagonal corners of the pixel matrix substrate 1. Furthermore, the present application is not limited to the arrangement of each set of the first alignment marks 11 at the diagonal corners of the pixel matrix substrate 1, and the arrangement of the first alignment marks 11 in the non-display area is within the scope of the present application.
In some embodiments, referring to fig. 4, a positioning groove 31 matched with the first positioning mark 11 is dug in the non-transparent layer of the color film substrate 3, which includes: a position corresponding to the first alignment mark 11 is hollowed out on the black shading layer of the color film substrate 3 to form an alignment groove 31; and the alignment groove 31 is greater than or equal to the sum of the first alignment mark 11 and the reserved space 12. The black shading layer or other non-transparent layers at the alignment mark position of the touch module 4 on the color film substrate 3 are hollowed out, the hollowed-out position is larger or equal to the first alignment mark 11 and the blank area of the pixel matrix substrate 1, and the position is avoided so as to avoid being shaded by the black shading layer on the color film substrate 3 when the touch module 4 grabs the mark.
In some embodiments, according to the first alignment mark 11, the manufacturing the touch module on the upper surface of the color film substrate 3 includes: when the touch module is a single touch layer, setting a second alignment mark 45 on the touch layer; the touch layer grabs the position of the first alignment mark 11, and the second alignment mark 45 and the first alignment mark 11 are aligned, so that the touch layer is manufactured on the color film substrate 3. The first alignment mark 11 is a cross mark, and the second alignment mark is a loop mark. In this embodiment, a polarizer 5 is further disposed on the upper surface of the touch module 4, and the touch module 4 is disposed between the color film substrate 3 and the polarizer 5. When the touch module is assembled on the color film substrate 3, a second alignment mark 45 is arranged on the touch module, and after the position of the first alignment mark 11 on the pixel matrix substrate 1 is grabbed, the second alignment mark and the first alignment mark 11 are aligned; and performing alignment according to the second alignment mark and the first alignment mark 11, and manufacturing the touch module 4 on the color film substrate 3. The problems of low alignment precision, difficult label grabbing, poor sleeving precision and the like of the oncell touch module 4 are solved.
In some embodiments, optionally, the touch module 4 is mounted on the upper surface of the color film substrate according to the first alignment mark 11, including: when the touch module 4 is a multi-layer touch layer, a second alignment mark 45 and a third alignment mark 46 are arranged on a first touch layer adjacent to the color film substrate 3 of the touch module 4; the alignment mark first touch layer is aligned with the first alignment mark 11 through the second alignment mark 45, and the first touch layer is assembled on the color film substrate; the touch module 4, except for the touch layer outside the first touch layer, will be assembled sequentially by grabbing the third alignment mark 46. In this embodiment, a blank area is reserved in the pixel matrix substrate, so that the third alignment mark is located in the reserved blank area, and the third alignment mark set by the first touch layer is more clearly visible; is not interfered by the metal layer of the pixel matrix substrate. The first touch layer can be a metal layer or a non-light-transmitting layer; when the touch module 4 is manufactured on the color film substrate, the first alignment mark 11 is firstly grabbed by the first touch layer, and the second alignment mark 45 and the first alignment mark 11 are aligned, so that the first touch layer is manufactured on the color film substrate. After the first touch layer is manufactured, other touch layers of the touch module 4 are manufactured on the first touch layer, and a fourth alignment mark corresponding to the third alignment mark 46 is arranged on the other touch layers; the third alignment marks 46 are set by a corresponding number except for how many layers the first touch layer of the touch module 4 has. The fourth alignment marks of the touch layers except the first touch layer of the touch module 4 are not overlapped, so that each layer can be aligned one by one according to the corresponding third alignment mark 46, and each layer of touch layer is sequentially manufactured on the first touch layer. The problems of low alignment precision, difficult label grabbing, poor sleeving precision and the like of the oncell touch module 4 are solved. Referring to fig. 5, the first touch layer is a metal layer, and a second alignment mark 45 and a third alignment mark 46 are disposed on the first touch layer. The application is not limited to the material of the first touch layer, and the first touch layer is a metal layer and a non-light-transmitting layer, which fall within the protection scope of the application.
In some embodiments, the alignment mark is used to mount the touch module 4 between the color film substrate and the upper polarizing plate according to the first alignment mark 11, and includes: when the touch module 4 is a plurality of touch layers, each touch layer of the touch module 4 is provided with a second alignment mark 45, and the second alignment marks 45 between the touch layers are not overlapped; each touch layer sequentially grabs the first alignment mark 11 of the alignment mark, and is aligned with the first alignment mark 11 through the second alignment mark 45 and assembled on the color film substrate. The upper surface of the touch module 4 is also provided with a polaroid 5, and the touch module 4 is arranged between the color film substrate 3 and the polaroid 5.
In one implementation of the foregoing embodiment, referring to fig. 2 to 5, the touch module 4 may include a first conductive layer 41, a first protective layer 42, a second conductive layer 43, and a second protective layer 44 sequentially disposed, where the first conductive layer 41 is disposed on the color film substrate 3; the first alignment mark 11 is a cross mark, and the second alignment mark 45 is a loop mark. In this embodiment, the first conductive layer 41, the first protective layer 42, the second conductive layer 43, and the second protective layer 44 are provided with the second alignment marks 45, and the alignment marks of the layers are not overlapped. Meanwhile, the number of the first alignment marks 11 is four.
The manufacturing of the touch module 4 to the color film substrate 3 comprises the following steps: the first conductive layer 41 grabs the first set of first alignment marks 11 of the pixel matrix substrate 1, aligns the square marks of the second alignment marks 45 of the first conductive layer 41 with the cross marks of the first set of first alignment marks 11, and manufactures the first conductive layer 41 above the color film substrate 3. The first protective layer 42 grabs the second set of first alignment marks 11 of the pixel matrix substrate 1, marks the square marks of the second alignment marks 45 of the first protective layer 42 with the cross marks of the second set of first alignment marks 11, and the first protective layer 42 is fabricated above the first conductive layer 41. The second conductive layer 43 grabs the third set of first alignment marks 11 of the pixel matrix substrate 1, marks the square marks of the second alignment marks 45 of the second conductive layer 43 with the cross marks of the third set of first alignment marks 11, and makes the second conductive layer 43 over the first protective layer 42. The second protective layer 44 grabs the fourth group of first alignment marks 11 of the pixel matrix substrate 1, marks the square marks of the second alignment marks 45 of the second protective layer 44 and the cross marks of the fourth group of first alignment marks 11, and the second protective layer 44 is manufactured above the second conductive layer 43; the fabrication of the touch module 4 is completed.
In some embodiments, the first alignment mark 11 is a cross mark and the second alignment mark 45 is a loop mark. In addition, the application is not limited to the shape of the first alignment mark and the second alignment mark 45; the first alignment marks and the second alignment marks 45 with other shapes solve corresponding solving problems through the technical scheme of the application, and all fall into the protection scope of the application.
In some embodiments, the application further provides a display screen, including the method for manufacturing a touch display screen, where the display screen includes an upper polarizer, a touch module, a color film substrate 3, a liquid crystal 2, a pixel matrix substrate 1, a lower polarizer, and a backlight plate, which are sequentially arranged. In the application, the pixel matrix substrate 1 is provided with the first alignment mark 11, the color film substrate 3 is hollowed out on the first alignment mark 11, and the touch module 4 is provided with the second alignment mark 45. According to the application, the first alignment marks 11 are arranged on the pixels, the avoided alignment grooves 31 are arranged on the color film substrate 3, and when the oncell touch module 4 is installed, the second alignment marks 45 of each touch layer of the touch module 4 can be assembled by aligning and matching with the first alignment marks 11 directly through grabbing the first alignment marks 11, so that the problems of low alignment precision, difficult label grabbing, poor registration precision and the like of the oncell touch module 4 are solved.
The use of the terms "a" and "an" and "the" and similar referents in the context of describing the concepts of the application (especially in the context of the following claims) are to be construed to cover both the singular and the plural. Furthermore, unless otherwise indicated herein, recitation of ranges of values herein are merely intended to serve as a shorthand method of referring individually to each separate value falling within the range, unless otherwise indicated herein. In addition, the steps of all methods described herein can be performed in any suitable order unless otherwise indicated herein or otherwise clearly contradicted by context. The changes of the application are not limited to the order of the steps described. The use of any and all examples, or exemplary language (e.g., "such as") provided herein, is intended merely to better illuminate the application and does not pose a limitation on the scope of the application unless otherwise claimed. Numerous modifications and adaptations will be readily apparent to those skilled in the art without departing from the spirit and scope.
The electronic device control method, the electronic device control device, the storage medium and the electronic device provided by the embodiment of the application are described in detail, and specific examples are applied to the description of the principle and the implementation mode of the application, and the description of the above embodiments is only used for helping to understand the method and the core idea of the application; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present application, the present description should not be construed as limiting the present application. .
Claims (7)
1. The manufacturing method of the touch display screen is applied to an oncell touch display screen, and is characterized by comprising the following steps:
setting at least one group of first alignment marks in a non-display area of a pixel matrix substrate, wherein the first alignment marks are arranged on any metal layer of the pixel matrix substrate, a reserved blank area is arranged at the position adjacent to the first alignment marks, and an alignment groove matched with the first alignment marks is dug in a non-transparent layer of a color film substrate;
sequentially assembling the pixel matrix substrate, the liquid crystal and the color film substrate into a box;
according to the first alignment mark, the touch module is manufactured on the upper surface of the color film substrate, and the method specifically comprises the following steps: when the touch module is a plurality of touch layers, setting a second alignment mark and a third alignment mark on a first touch layer adjacent to the color film substrate; the first touch layer is aligned with the first alignment mark through the second alignment mark, and the first touch layer is assembled on the color film substrate; the touch module is used for removing the touch layer of the first touch layer, and sequentially assembling the touch module by grabbing the third alignment mark; or comprises:
when the touch module is a plurality of touch layers, each touch layer of the touch module is provided with a second alignment mark, and the second alignment marks among the touch layers of each layer are not overlapped; each touch layer sequentially grabs the first alignment mark, and the first alignment mark and the second alignment mark are aligned and assembled on the color film substrate, and the specific manufacturing process is as follows:
the touch module comprises a first conductive layer, a first protective layer, a second conductive layer and a second protective layer which are sequentially arranged, wherein the first conductive layer, the first protective layer, the second conductive layer and the second protective layer are all provided with second alignment marks, the alignment marks of all the layers are not overlapped, and the number of the first alignment marks is four;
the first conductive layer grabs a first group of first alignment marks of the pixel matrix substrate, aligns a second alignment mark of the first conductive layer with the first group of first alignment marks, and makes the first conductive layer above the color film substrate;
the first protection layer grabs a second group of first alignment marks of the pixel matrix substrate, performs alignment between the second alignment marks of the first protection layer and the second group of first alignment marks, and makes the first protection layer above the first conductive layer;
the second conductive layer grabs a third group of first alignment marks of the pixel matrix substrate, and performs alignment on the second alignment marks of the second conductive layer and the third group of first alignment marks, so that the second conductive layer is manufactured above the first protective layer;
the second protection layer grabs a fourth group of first alignment marks of the pixel matrix substrate, performs alignment on the second alignment marks of the second protection layer and the fourth group of first alignment marks, and manufactures the second protection layer above the second conductive layer;
and finishing the manufacture of the touch module.
2. The method for manufacturing a touch display screen according to claim 1, wherein the non-transparent layer of the pixel matrix substrate, where the first alignment mark is not provided, is hollowed out at a position corresponding to the first alignment mark.
3. The method of claim 1, wherein each group of the first alignment marks is disposed at opposite corners of the pixel matrix substrate.
4. The method for manufacturing a touch display screen according to claim 3, wherein the digging an alignment groove matched with the first alignment mark in the non-transparent layer of the color film substrate comprises:
digging a corresponding position of the black shading layer of the color film substrate and the first alignment mark to form an alignment groove; and the alignment groove is larger than or equal to the sum of the first alignment mark and the reserved blank area.
5. The method for manufacturing a touch display screen according to claim 1, wherein the mounting the touch module between the color film substrate and the upper polarizing plate according to the first alignment mark comprises:
when the touch module is a single touch layer, setting the second alignment mark on the touch layer; the touch layer grabs the position of the first alignment mark, and the touch layer is manufactured on the color film substrate by aligning the second alignment mark with the first alignment mark.
6. The method for manufacturing a touch display screen according to claim 1, wherein the touch module comprises a first conductive layer, a first protective layer, a second conductive layer and a second protective layer which are sequentially arranged, and the first conductive layer is arranged on the color film substrate.
7. A display screen, characterized by comprising the method for manufacturing a touch display screen according to any one of claims 1-6, wherein the display screen comprises an upper polarizer, a touch module, a color film substrate, liquid crystals, a pixel matrix substrate, a lower polarizer and a backlight plate which are sequentially arranged.
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| WO2021226743A1 (en) * | 2020-05-09 | 2021-11-18 | 京东方科技集团股份有限公司 | Display panel and manufacturing method therefor, and display device |
| CN112873355B (en) * | 2020-12-24 | 2023-09-08 | 烟台正海科技股份有限公司 | Touch screen OCA laminating alignment target design method |
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| CN105182697A (en) * | 2015-08-28 | 2015-12-23 | 京东方科技集团股份有限公司 | On Cell structure touch display screen and manufacturing method thereof and display device |
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| CN106782097A (en) * | 2016-12-28 | 2017-05-31 | 上海天马有机发光显示技术有限公司 | A kind of display base plate, display panel and display device |
| WO2018125079A1 (en) * | 2016-12-28 | 2018-07-05 | Intel Corporation | Systems, methods and devices for creating alignment features or registration features |
| CN106647005A (en) * | 2017-02-04 | 2017-05-10 | 上海天马微电子有限公司 | Color film substrate and method for manufacturing thereof as well as display device and method for manufacturing thereof |
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