CN107831954B

CN107831954B - Array substrate, display panel and electronic equipment

Info

Publication number: CN107831954B
Application number: CN201711025326.XA
Authority: CN
Inventors: 曾元清
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2017-10-27
Filing date: 2017-10-27
Publication date: 2021-03-23
Anticipated expiration: 2037-10-27
Also published as: CN107831954A

Abstract

The application discloses array substrate, display panel and electronic equipment, wherein array substrate includes: the touch area comprises a main touch area and a sub-touch area, and the sub-touch area is positioned at the edge position of the top edge of the touch area and extends from one side to the other side of the touch area; the touch electrodes comprise main touch electrodes positioned in the main touch area and sub-touch electrodes positioned in the sub-touch areas, and the number of the sub-touch electrodes in the unit area of the sub-touch areas is larger than that of the main touch electrodes in the unit area of the main touch areas. According to the touch control method and device, the precision of the sub-touch control area can be improved, and the touch control sensitivity and touch control accuracy of the sub-touch control area are improved.

Description

Array substrate, display panel and electronic equipment

Technical Field

The application relates to the technical field of electronic equipment, in particular to an array substrate, a self-contained touch display panel and electronic equipment.

Background

The self-contained touch method has been widely applied to the field of display devices, but on the premise of ensuring the touch resolution, the size and width of the touch electrodes are required, most of the touch electrodes included in the existing embedded self-contained touch panel are designed in a square (Block Pattern), and the embedded self-contained touch panel needs to adopt a large number of touch electrodes.

In the prior art, the touch resolution of the display panel is the same, and due to the limitations of the size and cost of the display panel, the touch resolution of the display panel is generally low, and for some areas with high touch resolution, touch errors are easily generated.

Content of application

The embodiment of the application provides an array substrate, a display panel and an electronic device, which can improve the touch resolution of a predetermined area in the display panel and increase the touch sensitivity and touch accuracy of the predetermined area in the display panel.

In a first aspect, an embodiment of the present application provides an array substrate, including: the touch control device comprises a touch control area and a touch control electrode arranged in the touch control area;

the touch area comprises a main touch area and a sub-touch area, and the sub-touch area is positioned at the edge position of the top edge of the touch area and extends from one side to the other side of the touch area;

the touch electrodes comprise main touch electrodes positioned in the main touch area and sub-touch electrodes positioned in the sub-touch areas, and the number of the sub-touch electrodes in the unit area of the sub-touch areas is larger than that of the main touch electrodes in the unit area of the main touch areas.

In a second aspect, an embodiment of the present application provides a display panel, where the display panel includes a color film substrate, an array substrate, and a liquid crystal layer, where the liquid crystal layer is located between the color film substrate and the array substrate, and the array substrate is the array substrate described above.

In a third aspect, an embodiment of the present application provides an electronic device, which includes a housing and a display panel disposed in the housing, where the display panel is the display panel described above.

The sub-touch area of the array substrate provided by the embodiment of the application is arranged at the edge of the top edge of the touch area and extends from one side of the touch area to the other side; and the number of the sub-touch electrodes in the first sub-touch area per unit area is greater than that of the main touch electrodes in the main touch area, so that the touch precision of the sub-touch areas at the side edges of the touch areas can be improved, and the touch sensitivity and the touch accuracy of the sub-touch areas can be 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 structural diagram of an electronic device according to an embodiment of the present application.

Fig. 2 is another schematic structural diagram of an electronic device according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a self-contained touch display panel according to an embodiment of the present disclosure.

Fig. 4 is a cross-sectional view of the self-contained touch display panel shown in fig. 3 along the direction a-a.

Fig. 5 is a schematic structural diagram of an array substrate according to an embodiment of the present application.

Fig. 6 is a schematic structural diagram of the touch area in fig. 5.

Fig. 7 is a schematic view of an application scenario of an electronic device according to an embodiment of the present application.

Fig. 8 is another schematic structural diagram of an array substrate according to an embodiment of the present disclosure.

Fig. 9 is a schematic structural diagram of the touch area in fig. 5.

Fig. 10 is a schematic structural diagram of an array substrate according to an embodiment of the present application.

Fig. 11 is a schematic structural diagram of the touch area in fig. 5.

Fig. 12 is a schematic view of another structure of the array substrate according to the embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The embodiment of the application provides an array substrate, a display panel and electronic equipment. The details will be described below separately.

In the present embodiment, the description will be made from the perspective of a display panel, and the display panel may be specifically provided in an electronic device, such as a mobile phone, a Personal computer, a tablet computer, a Personal Digital Assistant (PDA), and the like.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure. The electronic device 7 includes a housing 8, a display panel 1, a printed circuit board 3, and a battery 4.

The housing 8 may include a cover plate 6, a middle frame 2 and a rear cover 5, the cover plate 6, the middle frame 2 and the rear cover 5 are combined with each other to form the housing 8, and the housing 8 has a closed space formed by the cover plate 6, the middle frame 2 and the rear cover 5 to accommodate the self-contained touch display panel 1, the printed circuit board 3, the battery 4 and other devices. In some embodiments, the cover plate 6 is disposed to cover the middle frame 2, the rear cover 5 is disposed to cover the middle frame 2, the cover plate 6 and the rear cover 5 are disposed to face each other on the middle frame 2, the cover plate 6 and the rear cover 5 are disposed to face each other, and the sealed space of the housing 8 is disposed between the cover plate 6 and the rear cover 5.

In some embodiments, the housing 8 may be a metal housing. It should be noted that the material of the housing 8 in the embodiment of the present application is not limited to this, and other manners may also be adopted, such as: the housing 8 may comprise a plastic part and a metal part. For another example: the housing 8 may be a plastic housing. The cover plate 6 may be a transparent glass cover plate. In some embodiments, the cover plate 6 may be a glass cover plate made of a material such as sapphire.

It should be noted that, the structure of the housing in the embodiment of the present application is not limited to this, for example: the rear cover and the middle frame are integrally formed to form a middle frame structure. Specifically, the housing 8 includes a cover plate 6 and a middle frame 2, and the cover plate 6 and the middle frame 2 are fixed to each other to form a closed space for accommodating the self-contained touch display panel 1, the printed circuit board 3, the battery 4, and other devices.

The printed circuit board 3 is installed in the housing 8, the printed circuit board 3 may be a main board of the electronic device 7, and functional components such as an antenna, a motor, a microphone, a camera, a light sensor, a receiver, and a processor may be integrated on the printed circuit board 3.

In some embodiments, the printed circuit board 3 is fixed within the housing 8. Specifically, the printed circuit board 3 may be screwed to the middle frame 2 by screws, or may be snap-fitted to the middle frame 2 by means of a snap. It should be noted that the way of fixing the printed circuit board 3 to the middle frame 2 is not limited to this, and other ways, such as a way of fixing by a snap and a screw, may also be used.

Wherein the battery 4 is mounted in the housing 8 and the battery 4 is electrically connected to the printed circuit board 3 for providing power to the electronic device 7. The housing 8 may serve as a battery cover for the battery 4. The case 8 covers the battery 4 to protect the battery 4, and particularly, the rear cover covers the battery 4 to protect the battery 4, reducing damage to the battery 4 due to collision, dropping, and the like of the electronic apparatus 7.

In the embodiment of the present application, the display panel is described by taking a self-contained touch display panel as an example. The self-contained touch display panel 1 is mounted in the housing 8, and the self-contained touch display panel 1 is electrically connected to the printed circuit board 3 to form a display surface of the electronic device 7. The self-contained touch display panel 1 includes a display area and a non-display area. The display area may be used to display a screen of the electronic device 7 or provide a user with touch control. The top area of the non-display area is provided with an opening for conducting sound and light, and the bottom of the non-display area can be provided with functional components such as a fingerprint module, a touch key and the like. The cover plate 6 is mounted on the self-contained touch display panel 1 to cover the self-contained touch display panel 1, so as to form a display area and a non-display area which are the same as those of the self-contained touch display panel 1, which can be referred to as the display area and the non-display area of the self-contained touch display panel 1.

It should be noted that the structure of the self-contained touch display panel 1 is not limited to this. For example, the display screen may be a full-screen or an opposite-type screen, specifically, please refer to fig. 2, and fig. 2 is another schematic structural diagram of the electronic device according to the embodiment of the present application. The electronic device in fig. 2 differs from the electronic device in fig. 1 in that: the non-display area is directly formed on the self-contained touch display panel 1, for example, the non-display area of the self-contained touch display panel 1 is configured to be a transparent structure so that an optical signal can pass through the non-display area, or the non-display area of the self-contained touch display panel 20 is directly configured with a structure such as an opening or a notch for light conduction, and the like, so that the front camera, the photoelectric sensor and the like can be arranged at the position of the non-display area so that the front camera can take a picture and the photoelectric sensor can detect the light.

Referring to fig. 3 and 4, fig. 3 is a schematic structural diagram of a self-contained touch display panel according to an embodiment of the present disclosure, and fig. 4 is a cross-sectional view of the self-contained touch display panel shown in fig. 3 in an a-a direction. The self-contained touch display panel 1 includes a color film substrate 20, an array substrate 10 and a liquid crystal layer 30, the array substrate 10 is disposed opposite to the color film substrate 20, and the liquid crystal layer 30 is located between the color film substrate 20 and the array substrate 10. The array substrate 10 may include a multiplexed common electrode, the common electrode may be divided into a plurality of touch electrodes, the touch electrodes are connected to touch signals to realize touch in a touch time period, and all the touch electrodes are connected to the common electrode signals to realize display in a display time period; specifically, the touch module and the display mode can be driven separately in a time-sharing driving mode.

Referring to fig. 5 and 6, fig. 5 is a schematic structural diagram of an array substrate according to an embodiment of the present application, and fig. 6 is a schematic structural diagram of a touch area in fig. 5. Fig. 5 and fig. 6 only show a part of the touch area 100, and a part of the touch electrodes 180 and a part of the touch connecting lines 160 located in the touch area 100, and it should be noted that the number of the touch electrodes in the touch area in the embodiment of the present application is not limited to the number shown in the drawings. The touch electrodes 180 in the touch area 100 of the array substrate 10 are omitted in the column direction, i.e., in the vertical direction, and the touch electrodes 180 are also omitted in the row direction, i.e., in the horizontal direction, which are not shown in the figure.

In some embodiments, the touch area 100 can include a top side 101, a bottom side 102, a first side 103, and a second side 104. Top side 101 and bottom side 102 are opposite, first side 103 and second side 104 are opposite, and top side 101 and bottom side 102 are located on opposite sides of first side 103 and second side 104, respectively.

In some embodiments, the touch area 100 is rectangular, and the top side 101, the first side 103, the bottom side 102, and the second side 104 are sequentially connected end to form a rectangle. It should be noted that, in some other embodiments, the corners of the touch area 100 may be arcs, and any two of the top side 101, the first side 103, the bottom side 102, and the second side 104 are connected by a transition portion of the arc.

In some embodiments, the array substrate 10 includes a touch area 100, and the touch area 100 is used for touch control. The touch area 100 may include a main touch area 130 and a sub-touch area 190. Wherein the sub-touch area 190 is located at an edge of the top side 101. And the sub-touch area 190 extends from the first side 103 of the touch area 100 to the second side 104 of the touch area 100, i.e. the length of the sub-touch area 190 is equal to the top side 101 of the touch area 100.

In some embodiments, the array substrate 10 may include a plurality of touch electrodes 180, a plurality of touch connection lines 160, and a touch chip 170.

The touch electrodes 180 include a plurality of main touch electrodes 150 and a plurality of sub touch electrodes 140. In some embodiments, the area of the main touch electrode 150 is greater than or equal to twice the area of the sub-touch electrode 140. Further, the area of the main touch electrode 150 is equal to about twice the area of the sub-touch electrode 140, so that the touch sensitivity is improved as much as possible when the spatial structure of the display panel allows. In the position of the original main touch electrode 150, two sub-touch electrodes 140 and the space between the two sub-touch electrodes 140 are disposed, so that the original design does not need to be changed much, and only the original main touch electrode is split into the two sub-touch electrodes in the sub-touch area, so that the area of the main touch electrode 150 is approximately equal to the sum of the areas of the two sub-touch electrodes 140 and the space between the two sub-touch electrodes 140.

The touch connecting lines 160 are connected to the touch chip 170, and each of the touch connecting lines 160 is connected to a touch electrode 180. Such as: a touch connection line 160 connects the sub-touch electrode 140 to the touch chip 170. For another example: a touch connection line 170 connects the main touch electrode 150 to the touch chip 170. The touch chip 170 can drive the main touch electrode 150 and the sub touch electrode 140.

In some embodiments, the main touch electrodes 150 are disposed in the main touch area 130, and the main touch electrodes 150 in the main touch area 130 may be arranged in a matrix manner. The sub-touch electrodes 140 are disposed in the sub-touch areas 110. The sub-touch areas may have a rectangular structure, and the sub-touch electrodes 140 may also be arranged in a matrix manner.

In some embodiments, the number of unit areas of the sub-touch electrodes 140 in the sub-touch region is greater than the number of unit areas of the main touch electrodes 150 in the main touch region 130. Specifically, the number of unit areas of the sub-touch electrodes 140 in the sub-touch region is greater than the number of unit areas of the main touch electrodes 150 in the main touch region 130.

Referring to fig. 7, fig. 7 is a schematic view of an application scenario of an electronic device according to an embodiment of the present application. For example, this sub-touch area corresponds to an information bar, and the information bar can display icons of various prompt messages such as remaining power, mobile signal intensity, WIFI signals, alarm clocks, bluetooth, and the like. And then, clicking a corresponding icon in the information bar to enter a corresponding setting interface. If the alarm clock icon is clicked, entering an interface for setting an alarm clock, and if the icon of the WIFI signal is clicked, entering a setting interface of the WIFI signal. The sub-touch control electrodes with higher distribution density are arranged in the sub-touch control area, so that prompt information in the information column can be controlled more accurately. Therefore, the identification precision of the information bar is improved, the touch sensitivity and the touch accuracy of the information bar are increased, and the experience of a user for controlling the information bar is improved.

In some embodiments, the area of the sub-touch electrode 140 is smaller than the area of the main touch electrode 150. Further, the sub-touch electrode 140 includes a first side parallel to the top side 101, and a second side parallel to the first side 103; the primary touch electrode 150 includes a third side parallel to the top side 101 and a fourth side parallel to the first side 103, wherein the length of the first side is less than that of the third side, and the length of the second side is equal to that of the fourth side.

In some embodiments, the sub-touch area includes a sub-touch side parallel to the touch area side, and the width of the sub-touch side is less than or equal to one tenth of the width of the touch area side.

Referring to fig. 8 and 9, fig. 8 is another schematic structural diagram of an array substrate according to an embodiment of the present disclosure, and fig. 9 is a schematic structural diagram of a touch area in fig. 8. In some embodiments, the sub-touch regions 190 include a first sub-touch region 110 and a second sub-touch region 120 located at two sides of the top edge of the touch region, and the number of the sub-touch electrodes 140 per unit area of the first sub-touch region 110 is greater than the number of the sub-touch electrodes 140 per unit area of the second sub-touch region 120. For example, the right side of the information bar displays more content than the left side of the information bar, the distribution density of the sub-touch electrodes on the right side is set to be higher.

Further, the width of the first sub-touch area 110 is greater than the width of the second sub-touch area 120. For example, if the content displayed on the right side of the information bar is larger than that displayed on the left side of the information bar, the area of the first sub-touch region corresponding to the right side is set to be larger than that of the second sub-touch region corresponding to the left side. Specifically, the width of the first sub-touch area may be larger than that of the second sub-touch area. The width is the width parallel to the top edge, and the length parallel to the side edges is equal.

Referring to fig. 10 and 11, fig. 10 is a schematic structural view of an array substrate according to an embodiment of the present application, and fig. 11 is a schematic structural view of a touch region in fig. 10. In some embodiments, the sub-touch area 190 includes a first sub-touch area 110, a second sub-touch area 120, and a third sub-touch area 111 sequentially arranged along the top edge of the touch area, the second sub-touch area 120 is located between the first sub-touch area 110 and the third sub-touch area 111;

the number of the sub-touch electrodes 140 per unit area in the first sub-touch region 110 is greater than the number of the sub-touch electrodes 140 per unit area in the second sub-touch region 120.

The number of the sub-touch electrodes 140 per unit area in the third sub-touch region 111 is greater than the number of the sub-touch electrodes 140 per unit area in the second sub-touch region 120.

For example, if the sub-touch areas correspond to the information bar on the top side, the right side and the left side both have icons that are needed to be displayed, and the middle is not or less, the distribution density of the sub-touch electrodes in the first sub-touch area and the third sub-touch area corresponding to the left side and the right side may be greater than the distribution density of the sub-touch electrodes in the second sub-touch area corresponding to the middle.

Referring to fig. 12, fig. 12 is a schematic view of another structure of an array substrate according to an embodiment of the present disclosure, in some embodiments, the array substrate further includes a transparent region 210 for transmitting a light signal, and the transparent region 210 is located on the top of the array substrate; the sub-touch area 190 is adjacent to the transparent area 210. Transparent region 210 is the non-display area, and transparent region 210 inboard is used for setting up equipment such as camera, proximity sensor, can see through transparent region and shoot or obtain the proximity signal, and then the bright of control display screen goes out.

In some embodiments, the transparent region 210 is located in the middle of the top edge of the array substrate; the sub-touch region 190 includes a first sub-touch region 110 and a second sub-touch region 120, and the first sub-touch region 110 and the second sub-touch region 120 are respectively located at two sides of the transparent region 210.

In some embodiments, the transparent area 210 is located at the side of the top edge of the array substrate, i.e. the transparent area 210 is located at the side of the top edge of the touch area 100, and the sub-touch area 190 is located between the transparent area 210 and the other side of the touch area 100.

Those skilled in the art will appreciate that the structure of the electronic device 7 shown in fig. 1 and 2 does not constitute a limitation of the electronic device 7. The electronic device 7 may comprise more or fewer components than shown, or some components may be combined, or a different arrangement of components. The electronic device 7 may further include a processor, a memory, a bluetooth module, etc., which are not described in detail herein.

The array substrate, the self-contained touch display panel and the electronic device provided in the embodiments of the present application are described in detail above, and specific examples are applied herein to explain the principles and implementations of the present application, and the descriptions of the above embodiments are only used to help understanding 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

1. An array substrate, comprising: the touch control device comprises a touch control area and a touch control electrode arranged in the touch control area;

the touch area comprises a main touch area and a sub-touch area, the sub-touch area is positioned at the edge position of the top edge of the touch area, and extending from one side to the other side of the touch area, the sub-touch area being configured to display a plurality of prompt information icons and to display a setting interface corresponding to the prompt information icon upon receiving a touch signal acting on the prompt information icon, the sub-touch areas comprise a first sub-touch area, a second sub-touch area and a third sub-touch area which are positioned at the same side of the touch area, the second sub-touch area is located between the first sub-touch area and the third sub-touch area, the number of the prompt information icons displayed in the first sub-touch area and the number of the prompt information icons displayed in the third sub-touch area are both greater than the number of the prompt information icons displayed in the second sub-touch area;

the touch electrodes comprise a main touch electrode positioned in the main touch area and sub-touch electrodes positioned in the sub-touch areas, the number of the sub-touch electrodes in the sub-touch areas is larger than that of the main touch electrodes in the main touch area, and the number of the sub-touch electrodes in the first sub-touch area and that of the sub-touch electrodes in the third sub-touch area are larger than that of the sub-touch electrodes in the second sub-touch area.

2. The array substrate of claim 1, wherein the width of the first sub-touch area is greater than the width of the second sub-touch area.

3. The array substrate of claim 1, wherein the sub-touch electrode has an area smaller than that of the main touch electrode.

4. The array substrate of claim 3, wherein the sub-touch electrodes comprise a first side parallel to the top side of the touch area and a second side parallel to the side of the touch area; the main touch electrode comprises a third edge parallel to the top edge of the touch area and a fourth edge parallel to the side edge of the touch area;

the length of the first side is smaller than that of the third side, and the length of the second side is equal to that of the fourth side.

5. The array substrate of claim 4, wherein the sub-touch area comprises a sub-touch side parallel to the touch area side, and the width of the sub-touch side is less than or equal to one tenth of the width of the touch area side.

6. The array substrate of claim 1, wherein the area of the main touch electrode is greater than or equal to twice the area of the sub-touch electrode.

7. The array substrate of claim 1, further comprising a transparent region for passing light signals, the transparent region being located on top of the array substrate; the sub-touch area is adjacent to the transparent area.

8. The array substrate of claim 7, wherein the transparent region is located at the middle of the top edge of the array substrate;

the first sub-touch area and the second sub-touch area are respectively located on two sides of the transparent area.

9. A display panel, comprising a color film substrate, an array substrate and a liquid crystal layer, wherein the liquid crystal layer is located between the color film substrate and the array substrate, and the array substrate is the array substrate according to any one of claims 1 to 8.

10. An electronic device comprising a housing and a display panel provided in the housing, wherein the display panel is the display panel according to claim 9.