CN114327134A - Display device and manufacturing method thereof - Google Patents
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- CN114327134A CN114327134A CN202111580690.9A CN202111580690A CN114327134A CN 114327134 A CN114327134 A CN 114327134A CN 202111580690 A CN202111580690 A CN 202111580690A CN 114327134 A CN114327134 A CN 114327134A
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Abstract
The embodiment of the application discloses a display device and a manufacturing method thereof, wherein the display device comprises a display screen and a touch structure which are arranged in a stacked mode, and the touch structure comprises an insulating layer, a plurality of transmission signal lines and a plurality of receiving signal lines; each transmission signal line comprises a first part and a second part which are electrically connected with each other, the first part is arranged on one side, facing the display screen, of the insulating layer, and the second part is arranged on one side, away from the display screen, of the insulating layer; each receiving signal line comprises a third part and a fourth part which are electrically connected with each other, the third part is arranged on one side, facing the display screen, of the insulating layer, and the fourth part is arranged on one side, far away from the display screen, of the insulating layer; the transmission signal lines are arranged along a first direction, the reception signal lines are arranged along a second direction, and the first direction is perpendicular to the second direction. According to the embodiment of the application, the accuracy of the touch structure for acquiring the coordinate value of the contact point is improved, and the sensitivity and the accuracy of the display device are improved.
Description
Technical Field
The present disclosure relates to display technologies, and particularly to a display device and a manufacturing method thereof.
Background
A touch screen is an input device in which a user can touch the screen by hand or an object to input a predetermined instruction. The current touch screen comprises a TX line and an RX line which are perpendicular to each other, so as to obtain coordinate values of an X axis and a Y axis through current change of a contact point position, and since the TX line and the RX line need to be insulated and isolated, a contact position actually confirmed by the touch screen is inaccurate, and a touch effect of the display device is affected.
Disclosure of Invention
The embodiment of the application provides a display device and a manufacturing method thereof, so as to improve touch sensitivity and accuracy of the display device.
In a first aspect, an embodiment of the present application provides a display device, including a display screen and a touch structure that are stacked, where the touch structure includes:
an insulating layer;
the transmission signal lines comprise a first part and a second part which are electrically connected with each other, the first part is arranged on one side, facing the display screen, of the insulating layer, and the second part is arranged on one side, away from the display screen, of the insulating layer;
the receiving signal lines comprise a third part and a fourth part which are electrically connected with each other, the third part is arranged on one side, facing the display screen, of the insulating layer, and the fourth part is arranged on one side, far away from the display screen, of the insulating layer;
the transmission signal lines are arranged along a first direction, the reception signal lines are arranged along a second direction, and the first direction is perpendicular to the second direction.
Optionally, the first portion and the third portion are disposed on the same layer; and/or the second portion and the fourth portion are disposed on the same layer.
Optionally, the display screen includes a substrate and a plurality of pixels arranged at intervals, and the plurality of pixels are arranged on one side of the substrate facing the touch structure;
the orthographic projection of each transmission signal line on the substrate is positioned in a spacing area of the orthographic projection of the pixels on the substrate;
the orthographic projection of each receiving signal line on the substrate is located in a spacing area of the orthographic projection of the pixels on the substrate.
Optionally, the plurality of pixels are divided into a plurality of columns of pixels arranged along the first direction and a plurality of rows of pixels arranged along the second direction;
the orthographic projection of each pixel row on the substrate is positioned between the orthographic projections of two adjacent receiving signal lines on the substrate;
the orthographic projection of each pixel column on the substrate is positioned between the orthographic projections of the two adjacent transmission signal lines on the substrate.
Optionally, each of the transmission signal lines includes a plurality of first portions and a plurality of second portions, and the plurality of first portions and the plurality of second portions of the same transmission signal line are arranged in a staggered manner;
each receiving signal line comprises a plurality of third parts and a plurality of fourth parts, and the plurality of third parts and the plurality of fourth parts of the same receiving signal line are arranged in a staggered mode.
Optionally, the insulating layer is provided with a plurality of first overlapping holes and a plurality of second overlapping holes;
the touch control structure further comprises a plurality of first connecting lines and a plurality of second connecting lines, each first connecting line is arranged in one first lap-joint hole, one end of each first connecting line is connected with the other end of the first part and connected with the second part, each second connecting line is arranged in one second lap-joint hole, and one end of each second connecting line is connected with the other end of the third part and connected with the fourth part.
Optionally, the first connecting line is integrally formed with the second part; and/or the second connecting line and the fourth part are integrally formed.
Optionally, the orthographic projection of the first connecting line on the display screen is positioned in the orthographic projection of the first part and/or the second part on the display screen; and/or
The orthographic projection of the second connecting line on the display screen is positioned in the orthographic projection of the third part and/or the fourth part on the display screen.
In a second aspect, an embodiment of the present application further provides a method for manufacturing a display device, including:
providing a display screen;
forming a plurality of first portions and a plurality of third portions arranged at intervals on the display screen;
providing an insulating layer on the plurality of first portions and the plurality of third portions;
and arranging a plurality of second parts and a plurality of fourth parts on the insulating layer, electrically connecting the plurality of second parts and the plurality of first parts to form a plurality of transmission signal lines, and electrically connecting the plurality of fourth parts and the plurality of third parts to form a plurality of receiving signal lines to form a touch control structure.
Optionally, before the disposing the plurality of second portions and the plurality of fourth portions on the insulating layer, the method for manufacturing the display device further includes:
providing a plurality of overlapping holes on the insulating layer to expose part of the first part and part of the third part;
disposing a plurality of second portions and a plurality of fourth portions on the insulating layer and electrically connecting the plurality of second portions and the plurality of first portions to form a plurality of transmission signal lines, and electrically connecting the plurality of fourth portions and the plurality of third portions to form a plurality of reception signal lines includes:
depositing metal on the insulating layer to form a plurality of second portions and a plurality of fourth portions, and depositing metal in each of the landing holes to electrically connect the plurality of second portions and the plurality of portions to form a plurality of transmission signal lines, and to electrically connect the plurality of fourth portions and the plurality of third portions to form a plurality of reception signal lines.
In the embodiment provided by the application, the first part of the transmission signal line is arranged on the side, facing the display screen, of the insulating layer, and the third part of the receiving signal line is arranged on the side, facing the display screen, of the insulating layer; the second part of the transmission signal line is arranged on one side, far away from the display screen, of the insulating layer, the fourth part of the receiving signal line is arranged on one side, far away from the display screen, of the insulating layer, when a user's finger touches the display device, the transmission signal line and the receiving signal line are arranged on one side, far away from the display screen, of the insulating layer, namely, one side, close to the finger, of the insulating layer can acquire induced current of an X axis and induced current of a Y axis, the transmission signal line or the receiving signal line cannot be shielded by metal, the induced current values of the X axis and the Y axis are large, accuracy of acquiring a contact point coordinate value by a touch structure is improved, and touch sensitivity and accuracy of the display device are improved.
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 of a display device according to an embodiment of the present disclosure.
Fig. 2 is an enlarged schematic view of the display device a in fig. 1.
Fig. 3 is a schematic diagram of a signal receiving line of the touch structure in fig. 2.
Fig. 4 is a schematic diagram of a transmission signal line of the touch structure in fig. 2.
Fig. 5 is a schematic partial cross-sectional view of the display device of fig. 2 taken along section B-B.
Fig. 6 is a schematic partial cross-sectional view of the display device of fig. 2 along section C-C.
Fig. 7 is a first flowchart of a method for manufacturing a display device according to an embodiment of the present disclosure.
Fig. 8 is a schematic diagram illustrating a manufacturing process of a display device according to an embodiment of the present disclosure.
Fig. 9 is a schematic diagram of the display device in fig. 8 performing step S12.
Fig. 10 is a schematic diagram of the display device in fig. 8 performing step S16.
Fig. 11 is a second flowchart of a method for manufacturing a display device according to an embodiment of the present disclosure.
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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without inventive step, are within the scope of the present application.
Reference herein to "an embodiment" or "an implementation" means that a particular feature, component, or characteristic described in connection with the embodiment or implementation can be included in at least one embodiment of the present 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 application provides a display device and a manufacturing method thereof, which are used for improving touch sensitivity and accuracy of the display device.
Referring to fig. 1, fig. 2 and fig. 5 in combination, fig. 1 is a schematic view of a display device 100 provided in the present application, fig. 2 is an enlarged view of a portion of the display device 100A in fig. 1, and fig. 5 is a partial cross-sectional view of the display device 100 in fig. 2 along a cross-section B-B. As shown in fig. 5, the display device 100 includes a display screen 10 and a touch structure 20, which are stacked, and specifically, the display device 100 may be a product or an apparatus having both a display function and a touch function, such as a mobile phone, a tablet computer, a notebook computer, and a smart watch (smart band).
Specifically, when a human finger touches the display device 100, the capacitance of the contact point changes due to a current induction phenomenon of the human body, the touch structure 20 obtains coordinate values of an X axis and a Y axis of the contact point according to the change of the capacitance, and the display device 100 performs a corresponding display operation according to the coordinate values of the contact point obtained by the touch structure 20.
Referring to fig. 2 and 5, the touch structure 20 includes an insulating layer 23, a plurality of transmission signal lines 21(TX), and a plurality of reception signal lines 22 (RX); since one of the transmission signal line 21 and the reception signal line 22 is used for sensing the current signal of the X-axis and the other is used for sensing the current signal of the Y-axis, that is, the transmission signal line 21 and the reception signal line 22 are required to be arranged perpendicular to each other, in this embodiment, the transmission signal line 21 is arranged along a first direction, and the reception signal line 22 is arranged along a second direction, and the first direction is perpendicular to the second direction.
As shown in the coordinate axes of fig. 5, in the present embodiment, the transmission signal line 21 is used for sensing the current signal of the Y-axis, and the reception signal line 22 is used for sensing the current signal of the X-axis, i.e. the first direction is along the Y-axis direction, and the second direction is along the X-axis direction.
In the related art, the transmission signal line and the reception signal line are made of metal materials, and the transmission signal line and the reception signal line are arranged perpendicular to each other and need to be insulated and isolated from each other. The insulating layer is made of colorless and transparent materials so that light emitted by the display screen can pass through the insulating layer.
When the transmission signal line and the reception signal line are located at two different layers, taking the case that the reception signal line is arranged at a layer far away from the display screen and the case that the transmission signal line is arranged at a layer close to the display screen as an example, when a human finger contacts the touch screen, because the transmission signal line and the finger are separated by one reception signal line, the current value induced by the transmission signal line is small due to the shielding effect of metal, the coordinate value actually confirmed by the touch structure is inaccurate, and the touch sensitivity and accuracy of the display device are affected.
In order to improve the accuracy of the touch structure 20 in obtaining the coordinate values of the touch point and improve the sensitivity and accuracy of the display device 100, in the embodiment of the present application, as shown in fig. 2, 5 and 6, each of the transmission signal lines 21 includes a first portion 211 and a second portion 212 electrically connected to each other, the first portion 211 is disposed on the side of the insulating layer 23 facing the display screen 10, and the second portion 212 is disposed on the side of the insulating layer 23 away from the display screen 10; each of the receiving signal lines 22 includes a third portion 221 and a fourth portion 222 electrically connected to each other, the third portion 221 is disposed on a side of the insulating layer 23 facing the display screen 10, and the fourth portion 222 is disposed on a side of the insulating layer 23 away from the display screen 10.
In the embodiment of the present application, by disposing the first portion 211 of the transmission signal line 21 on the side of the insulating layer 23 facing the display screen 10, the third portion 221 of the reception signal line 22 is disposed on the side of the insulating layer 23 facing the display screen 10; the second portion 212 of the transmission signal line 21 is disposed on the side of the insulating layer 23 away from the display screen 10, and the fourth portion 222 of the reception signal line 22 is disposed on the side of the insulating layer 23 away from the display screen 10, so that when a user's finger touches the display device 100, because the transmission signal line 21 and the reception signal line 22 are disposed on the side of the insulating layer 23 away from the display screen 10, that is, the side close to the finger can obtain the X-axis induced current and the Y-axis induced current, and the transmission signal line 21 or the reception signal line 22 is not shielded by metal, so that the X-axis and Y-axis induced current values are all large, thereby improving the accuracy of the touch structure 20 in obtaining the coordinate value of the contact point, and further improving the touch sensitivity and accuracy of the display device 100.
Further, in order to simplify the manufacturing process, in the embodiment of the present application, the first portion 211 and the third portion 221 are disposed on the same layer; it can be understood that, by disposing the first portion 211 of the transmission signal line 21 and the third portion 221 of the reception signal line 22 on the same layer, the operation of molding the third portion 221 can be performed while the operation of molding the first portion 211 is performed on the display screen 10, thereby avoiding a need to dispose a layer for molding the third portion 221, simplifying the process, and improving the production efficiency of the display device 100.
Similarly, in the present embodiment, the second portion 212 and the fourth portion 222 are disposed on the same layer.
Wherein the side of the insulating layer 23 facing the display screen 10 is defined as a first layer, and the side of the insulating layer 23 facing away from the display screen 10 is defined as a second layer, i.e. the first portion 211 and the third portion 221 are arranged on the first layer, and the second portion 212 and the fourth portion 222 are arranged on the second layer.
Further, in order to further improve the touch sensitivity and accuracy of the display device 100, in the embodiment of the present application, please refer to fig. 2, fig. 3 and fig. 4 in combination, each of the transmission signal lines 21 includes a plurality of first portions 211 and a plurality of second portions 212, and the plurality of first portions 211 and the plurality of second portions 212 of the same transmission signal line 21 are disposed in an interlaced manner, as shown in fig. 4; each of the receiving signal lines 22 includes a plurality of third portions 221 and a plurality of fourth portions 222, and the plurality of third portions 221 and the plurality of fourth portions 222 of the same receiving signal line 22 are arranged alternately, as shown in fig. 3.
Referring to fig. 6, the display screen 10 includes a substrate 11 and a plurality of pixels 12 disposed at intervals, wherein the plurality of pixels 12 are disposed on a side of the substrate 11 facing the touch structure 20; each of the pixels 12 includes three sub-pixels 121, and the three sub-pixels 121 are a red sub-pixel, a blue sub-pixel, and a green sub-pixel.
It should be noted that, an encapsulation layer 13 is further disposed on a side of the substrate 11 facing the touch structure 20, as shown in fig. 6, the encapsulation layer 13 is used for isolating the pixel 12 from the touch structure 20.
Since the transmission signal line 21 and the reception signal line 22 are made of metal opaque material, in order to prevent the transmission signal line 21 and the reception signal line 22 from shielding the light emitting area of the display screen 10, in the embodiment of the present application, the orthographic projection of each transmission signal line 21 on the substrate 11 is located in an interval area of the orthographic projection of the pixels 12 on the substrate 11; the orthographic projection of each receiving signal line 22 on the substrate 11 is located in the interval area of the orthographic projection of a plurality of pixels 12 on the substrate 11.
As can be understood, by arranging each of the transmission signal lines 21 such that the orthographic projection thereof on the substrate 11 is located in the interval area of the orthographic projection of the plurality of pixels 12 on the substrate 11, i.e., the transmission signal lines 21 are arranged outside the light emitting area of the display screen 10, the transmission signal lines 21 are prevented from blocking the light emitted by the display screen 10; similarly, the receiving signal line 22 is disposed such that the orthographic projection of the receiving signal line 22 on the substrate 11 is located in the interval area of the orthographic projection of the plurality of pixels 12 on the substrate 11, that is, the receiving signal line 22 is disposed outside the light emitting area of the display screen 10, so that the receiving signal line 22 is prevented from blocking the light emitted by the display screen 10, and thus, the light emitting effect of the display screen 10 is ensured.
In the embodiment of the present application, in order to fully utilize the spacing region (non-light emitting region) between the plurality of pixels 12, the plurality of pixels 12 are divided into a plurality of columns of pixels 12 arranged along the first direction and a plurality of rows of pixels 12 arranged along the second direction; the orthographic projection of each pixel 12 row on the substrate 11 is positioned between the orthographic projections of two adjacent receiving signal lines 22 on the substrate 11; the orthographic projection of each pixel 12 column on the substrate 11 is positioned between the orthographic projections of the two adjacent transmission signal lines 21 on the substrate 11. Furthermore, the rows and columns of pixels 12 form a matrix of pixels 12, and the pixels 12 are arranged in order to facilitate the production of the display screen 10.
As can be understood, since the first portion 211 of the transmission signal line 21 is disposed on the first layer, the second portion 212 is disposed on the second layer, and the third portion 221 of the reception signal line 22 is disposed on the first layer, and the fourth portion 222 is disposed on the second layer, in order to connect the first portion 211 and the second portion 212, and to connect the third portion 221 and the fourth portion 222, in the embodiment of the present application, the insulating layer 23 is provided with a plurality of first landing holes 231 (shown in fig. 8) and a plurality of second landing holes (not shown in the drawings); the touch structure 20 further includes a plurality of first connection lines 213 (as shown in fig. 5) and a plurality of second connection lines (not shown), each of the first connection lines 213 is disposed in one of the first connection holes 231, and one end of each of the first connection lines is connected to the first portion 211 and the other end thereof is connected to the second portion 212, each of the second connection lines is disposed in one of the second connection holes, and one end thereof is connected to the third portion 221 and the other end thereof is connected to the fourth portion 222.
Since the first portion 211 and the second portion 212 of the transmission signal line 21 are electrically connected through the first connection line 213, in order to avoid the first connection line 213 blocking the light emitted from the display screen 10, in the embodiment of the present application, the orthographic projection of the first connection line 213 on the display screen 10 is located in the orthographic projection of the first portion 211 and/or the second portion 212 on the display screen 10, and the arrangement is such that the orthographic projection of the first connection line 213 on the substrate 11 is located in the interval region of the orthographic projection of the plurality of pixels 12 on the substrate 11, that is, the first connection line 213 is arranged outside the light emitting region of the display screen 10, so as to prevent the first connection line 213 from blocking the light emitted from the display screen 10.
Similarly, since the third portion 221 and the fourth portion 222 of the receiving signal line 22 are electrically connected through the second connecting line, in order to avoid the second connecting line blocking the light emitted from the display screen 10, in the embodiment of the present application, the orthographic projection of the second connecting line on the display screen 10 is located in the orthographic projection of the third portion 221 and/or the fourth portion 222 on the display screen 10, and the arrangement is such that the orthographic projection of the second connecting line on the substrate 11 is located in the interval area of the orthographic projection of the plurality of pixels 12 on the substrate 11, that is, the second connecting line is disposed outside the light emitting area of the display screen 10, so as to prevent the second connecting line blocking the light emitted from the display screen 10.
In order to further simplify the process, in an embodiment of the present application, the first connecting line 213 is integrally formed with the second portion 212; thus, the first connecting line 213 and the second portion 212 are integrated, so that the step of connecting the first connecting line 213 and the second portion 212 is omitted, the process flow is simplified, and the production is convenient.
Similarly, the second connecting line and the fourth portion 222 are integrally formed.
In the embodiment of the present application, the transmission signal line 21 and the reception signal line 22 are formed by a metal deposition process, and the specific manufacturing process is described in detail below.
Please refer to fig. 7 to 8, and fig. 7 is a first flowchart of a method for manufacturing a display device according to an embodiment of the present application; fig. 8 is a schematic diagram illustrating a manufacturing process of a display device according to an embodiment of the present disclosure. The manufacturing method of the display device 100 includes:
s10, providing a display screen 10; as shown in a stage of fig. 8, the display screen 10 includes a substrate 11 and an encapsulation layer 13 disposed on one side of the substrate 11, wherein a plurality of pixels are disposed between the encapsulation layer 13 and the substrate 11, and the encapsulation layer 13 is used for isolating the plurality of pixels from the outside.
S12, forming a plurality of first portions 211 and a plurality of third portions 221 arranged at intervals on the display screen 10; specifically, as shown in stage b of fig. 8, the first portion 211 and the third portion 221 are deposited on the encapsulation layer 13 of the display screen 10 through a metal deposition process; referring to fig. 9, fig. 9 is a schematic diagram illustrating the display apparatus 100 in fig. 8 performing step S12; during the process of depositing the first portion 211 and the third portion 221 on the encapsulation layer 13 through the metal deposition process, the first portion 211 is arranged on the encapsulation layer 13 along a first direction, i.e., along a Y-axis direction in the figure; the third portion 221 is arranged in the second direction, i.e., the X-axis direction in the drawing, on the encapsulation layer 13.
S14, providing an insulating layer 23 on the plurality of first portions 211 and the plurality of third portions 221; as shown in stage c of fig. 8, the insulating layer 23 is made of a colorless transparent material to transmit light emitted from the display screen 10. In the present embodiment, the insulating layer 23 is a SIN film, which is deposited on the encapsulation layer 13 by a deposition process and covers the first portion 211 and the third portion 221, thereby isolating the first portion 211 and the third portion 221 from the outside.
S16, disposing a plurality of second portions 212 and a plurality of fourth portions 222 on the insulating layer 23, electrically connecting the plurality of second portions 212 and the plurality of first portions 211 to form a plurality of transmission signal lines 21, and electrically connecting the plurality of fourth portions 222 and the plurality of third portions 221 to form a plurality of reception signal lines 22, so as to form the touch structure 20; as shown in stage d of fig. 8, the second portion 212 and the fourth portion 222 are deposited on the insulating layer 23 by a metal deposition process; referring to fig. 10, fig. 10 is a schematic diagram illustrating the display apparatus 100 in fig. 8 performing step S16. Wherein, in the process of depositing the second portion 212 and the fourth portion 222 on the insulating layer 23 by the metal deposition process, the second portion 212 is arranged along the first direction, i.e. along the Y-axis direction in the figure; the fourth portion 222 is arranged in the second direction, i.e., the X-axis direction in the figure.
In the method for manufacturing the display device 100, the first portion 211 is disposed on the display screen 10, and the second portion 212 is disposed on the insulating layer 23, that is, the first portion 211 is disposed on the first layer, and the second portion 212 is disposed on the second layer; by arranging the third portion 221 on the display screen 10 and the fourth portion 222 on the insulating layer 23, that is, the third portion 221 is arranged on the first layer and the fourth portion 222 is arranged on the second layer, in this way, when a user's finger touches the display device 100, since the second layer is provided with both the second portion 212 (transmitting signal line) and the fourth portion 222 (receiving signal line), that is, the second layer can obtain X-axis induced current and Y-axis induced current, the transmitting signal line 21 or the receiving signal line 22 will not be shielded by metal, so that the X-axis and Y-axis induced current values are both large, thereby improving the accuracy of the touch structure 20 in obtaining the coordinate value of the contact point, and further improving the touch sensitivity and accuracy of the display device 100.
Referring to fig. 11, the manufacturing method of the display device in this embodiment is mainly different from the manufacturing method of the display device in the above embodiments in that: before the disposing the plurality of second portions 212 and the plurality of fourth portions 222 on the insulating layer 23, the method may further include:
s15, providing a plurality of landing holes on the insulating layer 23 to expose a portion of the first portion 211 and a portion of the third portion 221; specifically, in the present embodiment, the insulating layer 23 above the two ends of the first portion 211 is removed by an etching process to form a first landing hole, and the two ends of the first portion 211 are exposed, as shown in stage c in fig. 8; and forming a second landing hole by removing the insulating layer 23 above both ends of the third portion 221 through an etching process, and exposing both ends of the third portion 221.
Providing the plurality of second portions 212 and the plurality of fourth portions 222 on the insulating layer 23, and electrically connecting the plurality of second portions 212 and the plurality of first portions 211 to form the plurality of transmission signal lines 21, and electrically connecting the plurality of fourth portions 222 and the plurality of third portions 221 to form the plurality of reception signal lines 22 includes:
depositing metal on the insulating layer 23 to form a plurality of second portions 212 and a plurality of fourth portions 222, and depositing metal in each of the landing holes to electrically connect the plurality of second portions 212 and the plurality of portions to form a plurality of transmission signal lines 21, and to electrically connect the plurality of fourth portions 222 and the plurality of third portions 221 to form a plurality of reception signal lines 22; specifically, the first connection line 213 is formed by depositing metal in the first via hole, as shown in fig. 8 at stage d, such that the first connection line 213 is connected to the exposed end of the first portion 211, and the second portion 212 is formed by depositing metal on the insulating layer 23 along the first direction, such that the end of the second portion 212 is connected to the first connection line 213, that is, the first portion 211 and the second portion 212 are integrally connected by the first connection line 213 to form the transmission signal line 21. Similarly, a second connecting line is formed by depositing metal in the second overlapping hole, so that the second connecting line is connected to the end of the third portion 221, a fourth portion 22 is formed by depositing metal on the insulating layer 23 along the second direction, and the end of the fourth portion 222 is connected to the second connecting line, so that the third portion 221 and the fourth portion 222 are connected to form the signal receiving line 22 through the second connecting line.
The display device and the manufacturing method thereof provided by the embodiments of the present application are described in detail above, and the principles and embodiments of the present application are explained herein by applying specific examples, and the description of the embodiments above is only used to help understanding the method and the core ideas 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. The display device is characterized by comprising a display screen and a touch structure which are arranged in a stacked mode, wherein the touch structure comprises:
an insulating layer;
the transmission signal lines comprise a first part and a second part which are electrically connected with each other, the first part is arranged on one side, facing the display screen, of the insulating layer, and the second part is arranged on one side, away from the display screen, of the insulating layer; and
the receiving signal lines comprise a third part and a fourth part which are electrically connected with each other, the third part is arranged on one side, facing the display screen, of the insulating layer, and the fourth part is arranged on one side, far away from the display screen, of the insulating layer;
the transmission signal lines are arranged along a first direction, the reception signal lines are arranged along a second direction, and the first direction is perpendicular to the second direction.
2. The display device according to claim 1, wherein the first portion and the third portion are provided in the same layer; and/or the second portion and the fourth portion are disposed on the same layer.
3. The display device according to claim 1, wherein the display screen comprises a substrate and a plurality of pixels arranged at intervals, and the plurality of pixels are arranged on one side of the substrate facing the touch structure;
the orthographic projection of each transmission signal line on the substrate is positioned in a spacing area of the orthographic projection of the pixels on the substrate;
the orthographic projection of each receiving signal line on the substrate is located in a spacing area of the orthographic projection of the pixels on the substrate.
4. The display device according to claim 3, wherein the plurality of pixels are divided into a plurality of columns of pixels arranged in the first direction and a plurality of rows of pixels arranged in the second direction;
the orthographic projection of each pixel row on the substrate is positioned between the orthographic projections of two adjacent receiving signal lines on the substrate;
the orthographic projection of each pixel column on the substrate is positioned between the orthographic projections of the two adjacent transmission signal lines on the substrate.
5. The display device according to any one of claims 1 to 4, wherein each of the transmission signal lines includes a plurality of first portions and a plurality of second portions, and the plurality of first portions and the plurality of second portions of the same transmission signal line are alternately arranged;
each receiving signal line comprises a plurality of third parts and a plurality of fourth parts, and the plurality of third parts and the plurality of fourth parts of the same receiving signal line are arranged in a staggered mode.
6. The display device according to claim 1, wherein the insulating layer is provided with a plurality of first landing holes and a plurality of second landing holes;
the touch control structure further comprises a plurality of first connecting lines and a plurality of second connecting lines, each first connecting line is arranged in one first lap-joint hole, one end of each first connecting line is connected with the other end of the first part and connected with the second part, each second connecting line is arranged in one second lap-joint hole, and one end of each second connecting line is connected with the other end of the third part and connected with the fourth part.
7. The display device according to claim 6, wherein the first connection line is integrally formed with the second portion; and/or the second connecting line and the fourth part are integrally formed.
8. The display device according to claim 6, wherein an orthographic projection of the first connecting line on the display screen is located within an orthographic projection of the first portion and/or the second portion on the display screen; and/or
The orthographic projection of the second connecting line on the display screen is positioned in the orthographic projection of the third part and/or the fourth part on the display screen.
9. A method for manufacturing a display device, comprising:
providing a display screen;
forming a plurality of first portions and a plurality of third portions arranged at intervals on the display screen;
providing an insulating layer on the plurality of first portions and the plurality of third portions;
and arranging a plurality of second parts and a plurality of fourth parts on the insulating layer, electrically connecting the plurality of second parts and the plurality of first parts to form a plurality of transmission signal lines, and electrically connecting the plurality of fourth parts and the plurality of third parts to form a plurality of receiving signal lines to form a touch control structure.
10. The method of manufacturing a display device according to claim 9,
before the step of disposing the plurality of second portions and the plurality of fourth portions on the insulating layer, the method for manufacturing a display device further includes:
providing a plurality of overlapping holes on the insulating layer to expose part of the first part and part of the third part;
disposing a plurality of second portions and a plurality of fourth portions on the insulating layer and electrically connecting the plurality of second portions and the plurality of first portions to form a plurality of transmission signal lines, and electrically connecting the plurality of fourth portions and the plurality of third portions to form a plurality of reception signal lines includes:
depositing metal on the insulating layer to form a plurality of second portions and a plurality of fourth portions, and depositing metal in each of the landing holes to electrically connect the plurality of second portions and the plurality of portions to form a plurality of transmission signal lines, and to electrically connect the plurality of fourth portions and the plurality of third portions to form a plurality of reception signal lines.
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| CN202111580690.9A CN114327134A (en) | 2021-12-22 | 2021-12-22 | Display device and manufacturing method thereof |
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| CN202111580690.9A CN114327134A (en) | 2021-12-22 | 2021-12-22 | Display device and manufacturing method thereof |
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