CN111679757A - 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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- CN111679757A CN111679757A CN202010364997.4A CN202010364997A CN111679757A CN 111679757 A CN111679757 A CN 111679757A CN 202010364997 A CN202010364997 A CN 202010364997A CN 111679757 A CN111679757 A CN 111679757A
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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, and an alignment groove which is avoided is arranged on a color film substrate, so that when an oncell touch module is installed, a second alignment mark and the first alignment mark of each layer of touch layer of the touch module can be aligned and matched to be assembled directly by grabbing the first alignment mark, and the problems of low alignment precision, difficulty in grabbing marks, poor registration precision and the like of the oncell touch module are solved.
Description
Technical Field
The application relates to the technical field of electronic equipment, in particular to a manufacturing method of a touch display screen and the display screen.
Background
Today, as the applications of smart devices become more and more widespread, users can implement a very large number of complex functions using display screens in various electronic devices.
The Oncell technology is a method for 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 an embedded structure; as the name suggests, the single-layer touch is just 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. In general, a single-layer touch layer or a multi-layer touch layer is formed on a color filter substrate of a liquid crystal panel which has been packaged. That is to the multilayer touch, involves the problem of layer upon layer counterpoint, if transparent conducting layer or ITO are done to the first layer, that because this layer is transparent, its contrast with peripheral glass substrate is lower, and the exposure machine can not clearly be discerned, causes the condition such as counterpoint inaccurate very easily, grabs the mark difficulty, the registrate precision is poor. The first layer is used as a metal layer, the bottom layer of the metal mark is provided with a shielding layer, and alignment and registration of each layer behind the metal mark are difficult to perform. Based on the problems, the novel oncell touch display screen and the manufacturing method thereof are provided for the oncell display screen, and the problems that a touch layer is low in alignment precision, difficult in mark grabbing, poor in registration precision and the like can be solved.
Content of 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:
at least one group of first alignment marks are arranged in a non-display area of a pixel matrix substrate, and alignment grooves matched with the first alignment marks are dug in a non-transparent layer of a color film substrate;
assembling the pixel matrix substrate, the liquid crystal substrate and the color film substrate into a box in sequence;
and manufacturing a touch module on the upper surface of the color film substrate according to the first alignment mark.
Optionally, the disposing at least one set 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, on which the first alignment mark is not disposed, is hollowed out at a position corresponding to the first alignment mark.
Optionally, each set of the first alignment marks is disposed at a diagonal of the pixel matrix substrate.
Optionally, the digging a registration groove matched with the first registration mark in a non-transparent layer of the color film substrate includes:
hollowing out a position corresponding to 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 a touch module between the color film substrate and an upper polarizing plate according to the first alignment mark includes:
when the touch module is a single-layer touch layer, the second alignment mark is arranged on the touch layer; and 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 a touch module between the color film substrate and an upper polarizing plate according to the first alignment mark includes:
when the touch module is a multilayer touch layer, arranging a second alignment mark and a third alignment mark on a first touch layer of the touch module, which is adjacent to the color film substrate;
the first touch layer is assembled on the color film substrate through the second alignment mark and the first alignment mark;
and the touch module is sequentially assembled by grabbing the third alignment marks except the touch layer of the first touch layer.
Optionally, the installing a touch module between the color film substrate and an upper polarizing plate according to the first alignment mark includes:
when the touch module is a multi-layer touch layer, each layer of touch layer of the touch module is provided with a second alignment mark, and the second alignment marks between the layers of touch layer are not overlapped;
and each layer of touch layer sequentially captures the first alignment marks, and is assembled on the color film substrate through the second alignment marks and the first alignment marks.
Optionally, the touch module includes a first conductive layer, a first protective layer, a second conductive layer, and a second protective layer, which 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 clip mark.
In addition, the application also provides a display screen, which comprises the manufacturing method of the touch display screen, wherein the display screen comprises an upper polaroid, a touch module, a color film substrate, a 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 display screen. The beneficial effects are that: according to the method, the first alignment mark is arranged on the pixel matrix substrate, the alignment groove which is avoided is arranged on the color film substrate, when the oncell touch module is installed, the second alignment mark and the first alignment mark of each layer of touch layer of the touch module can be directly aligned and matched for assembly by grabbing the first alignment mark, and the problems that the oncell touch module is low in alignment precision, difficult to grab the mark, poor in registration precision and the like are solved.
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 schematic view illustrating a manufacturing method of a touch display screen according to an embodiment of the present disclosure.
Fig. 2 is a schematic stacked view of the structures of the layers of the touch display screen according to the embodiment of the present disclosure.
Fig. 3 is a schematic view of a pixel matrix substrate according to an embodiment of the present disclosure.
Fig. 4 is a schematic view of a color filter substrate provided in an embodiment of the present application.
Fig. 5 is a schematic illustration of a touch module and a pixel matrix substrate provided in an embodiment of the present disclosure.
Detailed Description
Referring to the drawings, wherein like reference numbers refer to like elements, the principles of the present application are illustrated as being implemented in a suitable computing environment. The following description is based on illustrated embodiments of the application and should not be taken as limiting the application with respect to other embodiments that are not detailed herein.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase 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. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The embodiment of the application provides an oncell touch module. The details will be described below separately. The touch module can be arranged in the electronic equipment, and the electronic equipment can be equipment such as a smart phone, a tablet computer and an intelligent screen.
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, arranging at least one group of first alignment marks 11 in a non-display area of a pixel matrix substrate 1, reserving a blank area 12 at the adjacent position of the first alignment marks, and digging alignment grooves 31 matched with the first alignment marks 11 in a non-transparent layer of a color film substrate 3;
in step 100, at least one set of first alignment marks 11 is disposed in the non-display region of the pixel matrix substrate 1, and an alignment groove 31 matching with the first alignment marks 11 is dug in the non-transparent layer of the color filter substrate 3. The process of step 100 is performed on the complete pixel matrix substrate 1 and the color filter substrate 3. Arranging first alignment marks 11 on a metal layer of the pixel matrix substrate 1, wherein the first alignment marks 11 can be arranged on four opposite corners of a non-display screen of the pixel matrix substrate 1 or other non-display area positions which are easy to align; the metal layer of the pixel matrix substrate 1 may be a 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 a metal mixture. The color film substrate 3 and the pixel matrix substrate 1 are completely attached for assembly setting, or the color film substrate and the pixel matrix substrate can be incompletely attached for assembly setting; along the light source direction, the color filter substrate 3 is disposed above the pixel matrix substrate 1, and the pixel matrix substrate 1 is provided with an alignment groove 31 at a position corresponding to the first alignment mark 11 of the pixel matrix, so that the touch module 4 can pass through the color filter substrate 3 to capture the first alignment mark 11, where the position corresponding to the first alignment mark 11 may be directly above the first alignment mark 11.
200, assembling the pixel matrix substrate 1, the liquid crystal 2 and the color film substrate 3 into a box in sequence;
in step 200, at least one set of first alignment marks 11 is disposed in the non-display region of the pixel matrix substrate 1, and after the alignment groove 31 matched with the first alignment marks 11 is dug in the non-transparent layer of the color filter substrate 3, the pixel matrix substrate 1, the liquid crystal 2, and the color filter substrate 3 are sequentially manufactured into a complete display box.
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-layer touch layer or a multi-layer touch layer; according to the application, 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 method, the first alignment mark 11 is arranged on the pixel matrix substrate, the alignment groove 31 which is avoided is arranged on the color film substrate 3, when the oncell touch module 4 is installed, the first alignment mark 11 can be directly grabbed, and the second alignment mark 45 of each layer of touch layer of the touch module 4 and the first alignment mark 11 are aligned and matched to be assembled, so that the problems that the oncell touch module 4 is low in alignment precision, difficult to grab marks, poor in registration precision and the like are solved.
In some embodiments, referring to fig. 3, at least one set of first alignment marks 11 is provided in the non-display region of the pixel matrix substrate 1, including: the first alignment mark 11 is disposed on any one of the metal layers of the pixel matrix substrate 1, and a reserved blank area 12 is disposed adjacent to the first alignment mark. In this embodiment, the first alignment mark 11 is disposed on any metal layer of the pixel matrix substrate 1, and the first alignment mark 11 may be disposed on the first metal layer, or the first alignment mark 11 may be disposed on the second metal layer or the third metal layer; in the present embodiment, it is within the scope of the present application for the first alignment mark 11 to be disposed on any metal layer. The application also arranges a reserved blank area 12 adjacent to the first contraposition mark; the reserved blank area 12 may be formed by hollowing out the metal layer where the first alignment mark 11 is located, and the reserved blank area 12 may be formed by hollowing out the inclusion layer structure at a position 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, when grabbing the alignment mark on the pixel matrix substrate 1, exposing 3 alignment marks at the same time, so that other layer structures of the touch module 4 can grab the alignment mark on the pixel matrix substrate 1 and can grab the exposed mark of the touch metal layer on the same datum plane.
In one embodiment of the above embodiment, the non-transparent layer of the pixel matrix substrate 1, on which 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 at a position corresponding to the first alignment mark 11, that is, the non-transparent layer without the first alignment mark 11 is hollowed directly below and/or directly above the first alignment mark 11, so as to avoid shielding or interfering with the first alignment mark 11, and enable the first alignment mark 11 to be accurately captured by the touch module 4.
In one implementation of the above embodiment, each set of the first alignment marks 11 is disposed at a diagonal corner of the pixel matrix substrate 1. In the embodiment, the first alignment marks are disposed at four corners of the pixel matrix substrate 1, and the touch display screen is generally rectangular, but the present application is not limited to the shape of the display screen, and the display screen is rectangular or non-rectangular, and all of the first alignment marks fall within the scope of the present application. Each group of first alignment marks 11 are respectively arranged at the opposite corners of the pixel matrix substrate 1 to facilitate mark grabbing and alignment, and the touch module 4 is installed on the color film substrate 3. When the touch module 4 is a multi-layer structure, the number of the first alignment marks 11 corresponds to the number of layers of the touch module 4; the multiple groups of first alignment marks 11 are respectively arranged at four opposite corners of the pixel matrix substrate 1, wherein the marks at each opposite corner can be arranged in a straight line in sequence or can be arranged randomly; in the present embodiment, the plurality of sets of first alignment marks 11 are arranged in a straight line at opposite corners of the pixel matrix substrate 1. Further, the present application is not limited to disposing each set of the first alignment marks 11 at the opposite corners of the pixel matrix substrate 1, and other disposing 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, digging a registration groove 31 matching with the first registration mark 11 in the non-transparent layer of the color filter substrate 3 includes: hollowing out a position corresponding to the first alignment mark 11 in 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 blank area 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, the hollowed 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 the touch module 4 from being blocked 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, fabricating a touch module on the upper surface of the color film substrate 3 includes: when the touch module is a single-layer touch layer, a second alignment mark 45 is arranged on the touch layer; the touch layer captures the position of the first alignment mark 11, and the touch layer is manufactured on the color film substrate 3 by aligning the second alignment mark 45 with the first alignment mark 11. The first alignment mark 11 is a cross mark and the second alignment mark is a clip 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 firstly arranged on the touch module, and after the position of the first alignment mark 11 on the pixel matrix substrate 1 is captured, the second alignment mark and the first alignment mark 11 are aligned; and aligning the second alignment mark with the first alignment mark 11, and manufacturing the touch module 4 on the color film substrate 3. The problems of low alignment precision, difficulty in label grabbing, poor registration precision and the like of the oncell touch module 4 are solved.
In some embodiments, optionally, the mounting the touch module 4 on the upper surface of the color filter substrate according to the first alignment mark 11 includes: when the touch module 4 is a multilayer touch layer, a second alignment mark 45 and a third alignment mark 46 are arranged on a first touch layer of the touch module 4 adjacent to the color film substrate 3; aligning the first touch layer with the first alignment mark 11 through the second alignment mark 45, and assembling the first touch layer on the color film substrate; the touch layers of the touch module 4 except the first touch layer are sequentially assembled by grabbing the third alignment marks 46. In this embodiment, a blank area is reserved in the pixel matrix substrate, so that the third alignment mark falls in the reserved blank area, and the third alignment mark arranged on the first touch layer is more clearly visible; without interference from 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 captured through 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 fourth alignment marks corresponding to the third alignment marks 46 are arranged on the other touch layers; the third alignment marks 46 are set to a corresponding number of layers of the touch module 4, except for the first touch layer. The positions of the fourth alignment marks of the touch layers of the touch module 4 except the first touch layer are not coincident, so that each touch layer can be aligned according to the corresponding third alignment mark 46, and the touch layers are sequentially manufactured on the first touch layer. The problems of low alignment precision, difficulty in label grabbing, poor registration 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 the first touch layer is disposed on the first touch layer and provided with a second alignment mark 45 and a third alignment mark 46. The application does not limit the material of the first touch layer, and the first touch layer is formed by a metal layer and a non-light-transmitting layer which fall into the protection range of the application.
In some embodiments, the mounting the touch module 4 between the overlay mark color film substrate and the upper polarizer according to the overlay mark first overlay mark 11 includes: when the touch module 4 is a multi-layer touch layer, each layer of the touch module 4 is provided with a second alignment mark 45, and the second alignment marks 45 between the layers of the touch module are not overlapped; and each layer of touch layer sequentially captures the first alignment marks 11 of the alignment marks, and is assembled on the color film substrate through the alignment marks 45 and the first alignment marks 11. A polarizer 5 is further 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 polarizer 5.
In an implementation manner of the foregoing embodiment, referring to fig. 2 to fig. 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, which are sequentially disposed, where the first conductive layer 41 is disposed on the color filter substrate 3; the first alignment mark 11 is a cross mark and the second alignment mark 45 is a square 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 all provided with the second alignment mark 45, and the alignment marks of the layers are not overlapped. Meanwhile, the number of the first alignment marks 11 is four groups.
The steps of manufacturing the touch module 4 on the color film substrate 3 are as follows: the first conductive layer 41 captures a 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 on the color filter substrate 3. The first protective layer 42 captures the second group of first alignment marks 11 of the pixel matrix substrate 1, and the first protective layer 42 is formed over the first conductive layer 41 by aligning the square marks of the second alignment marks 45 of the first protective layer 42 with the cross marks of the second group of first alignment marks 11. The second conductive layer 43 captures the third set of first alignment marks 11 of the pixel matrix substrate 1, and the second conductive layer 43 is formed over the first protective layer 42 by aligning 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. The second protective layer 44 captures a fourth set of first alignment marks 11 of the pixel matrix substrate 1, aligns the square marks of the second alignment marks 45 of the second protective layer 44 with the cross marks of the fourth set of first alignment marks 11, and forms the second protective layer 44 over the second conductive layer 43; and finishing the manufacture of the touch module 4.
In some embodiments, the first registration mark 11 is a cross mark and the second registration mark 45 is a circle mark. In addition, the shape of the first and second alignment marks 45 is not limited by the present application; the first alignment mark and the second alignment mark 45 in other shapes solve corresponding problems through the technical solutions of the present application, and all fall into the scope of the present application.
In some embodiments, the present application further provides a display screen, including the above 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 disposed. In this application, the pixel matrix substrate 1 is provided with a first alignment mark 11, the color filter substrate 3 is hollowed out of the first alignment mark 11, and the touch module 4 is provided with a second alignment mark 45. According to the method, the first alignment mark 11 is arranged on the pixel, the alignment groove 31 which is avoided is arranged on the color film substrate 3, when the oncell touch module 4 is installed, the first alignment mark 11 can be directly grabbed, and the second alignment mark 45 of each layer of touch layer of the touch module 4 is aligned with the first alignment mark 11 for matching and assembling, so that the problems that the oncell touch module 4 is low in alignment precision, difficult to grab, poor in registration precision and the like 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. Moreover, unless otherwise indicated herein, recitation of ranges of values herein is merely intended to serve as a shorthand method of referring individually to each separate value falling within the range, unless otherwise indicated herein, and each separate value is incorporated into the specification as if it were individually recited 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 variations of the present application are not limited to the described order of the steps. The use of any and all examples, or exemplary language (e.g., "such as") provided herein, is intended merely to better illuminate the concepts of the application and does not pose a limitation on the scope of the concepts of the application unless otherwise claimed. Various modifications and adaptations will be apparent to those skilled in the art without departing from the spirit and scope.
The electronic device control method, apparatus, storage medium, and electronic device provided in the embodiments of the present application are described in detail above, and a specific example is applied in the present application to explain the principle and the implementation of the present application, and the description of the above embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A manufacturing method of a touch display screen is applied to an oncell touch display screen, and is characterized by comprising the following steps:
at least one group of first alignment marks are arranged in a non-display area of a pixel matrix substrate, and alignment grooves matched with the first alignment marks are dug in a non-transparent layer of a color film substrate;
assembling the pixel matrix substrate, the liquid crystal substrate and the color film substrate into a box in sequence;
and manufacturing a touch module on the upper surface of the color film substrate according to the first alignment mark.
2. The method for manufacturing a touch display screen according to claim 1, wherein the step of providing at least one set of first alignment marks in the non-display area of the pixel matrix substrate comprises:
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.
3. The method of claim 2, wherein the non-transparent layer of the pixel matrix substrate, on which the first alignment mark is not disposed, is hollowed out at a position corresponding to the first alignment mark.
4. The method as claimed in claim 2, wherein each set of the first alignment marks is disposed at opposite corners of the pixel matrix substrate.
5. The method for manufacturing the touch display screen according to claim 4, wherein the step of digging a registration groove matched with the first registration mark in the non-transparent layer of the color film substrate comprises:
hollowing out a position corresponding to 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.
6. The method for manufacturing a touch display screen according to claim 1, wherein the step of installing a touch module between the color film substrate and an upper polarizing plate according to the first alignment mark comprises:
when the touch module is a single-layer touch layer, the second alignment mark is arranged on the touch layer; and 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.
7. The method for manufacturing a touch display screen according to claim 1, wherein the step of installing a touch module between the color film substrate and an upper polarizing plate according to the first alignment mark comprises:
when the touch module is a multilayer touch layer, arranging a second alignment mark and a third alignment mark on a first touch layer of the touch module, which is adjacent to the color film substrate;
the first touch layer is assembled on the color film substrate through the second alignment mark and the first alignment mark;
and the touch module is sequentially assembled by grabbing the third alignment marks except the touch layer of the first touch layer.
8. The method for manufacturing a touch display screen according to claim 1, wherein the step of installing a touch module between the color film substrate and an upper polarizing plate according to the first alignment mark comprises:
when the touch module is a multi-layer touch layer, each layer of touch layer of the touch module is provided with a second alignment mark, and the second alignment marks between the layers of touch layer are not overlapped;
and each layer of touch layer sequentially captures the first alignment marks, and is assembled on the color film substrate through the second alignment marks and the first alignment marks.
9. The manufacturing method of the touch display screen according to claim 8, 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.
10. A display screen, comprising the method for manufacturing a touch display screen according to claims 1 to 9, wherein the display screen comprises an upper polarizer, a touch module, a color film substrate, a liquid crystal, 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 |
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| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| US11957033B2 (en) | 2020-05-09 | 2024-04-09 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display panel, manufacturing method thereof, and display device |
| CN112873355A (en) * | 2020-12-24 | 2021-06-01 | 烟台正海科技股份有限公司 | Design method for touch screen OCA (optical clear adhesive) lamination alignment target |
| 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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