CN114360378B - Array substrate, display panel and display device - Google Patents
Array substrate, display panel and display device Download PDFInfo
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- CN114360378B CN114360378B CN202111678954.4A CN202111678954A CN114360378B CN 114360378 B CN114360378 B CN 114360378B CN 202111678954 A CN202111678954 A CN 202111678954A CN 114360378 B CN114360378 B CN 114360378B
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- 239000010409 thin film Substances 0.000 claims description 4
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- 239000004973 liquid crystal related substance Substances 0.000 description 3
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- 238000000034 method Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
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- 238000013461 design Methods 0.000 description 1
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Abstract
The embodiment of the application discloses an array substrate, a display panel and a display device, wherein the array substrate comprises: the display device comprises a display area and a hole digging area surrounded by the display area, wherein a wire winding area surrounding the hole digging area is formed between the display area and the hole digging area; a plurality of first signal lines arranged in the display area, each of the first signal lines bypassing the hole digging area, crossing the winding area and extending in a first direction in the display area; the cored-out section is configured to: the main boundary or a tangent line of the main boundary of the hole digging area forms an inclination angle with the first direction, and the inclination angle ranges from 0 degrees to 90 degrees. The array substrate provided by the embodiment of the application can effectively reduce the winding length and the winding density of the first signal wire around the hole digging area, reduce the area occupied by the winding area around the hole digging area in the display area, and further improve the screen occupation ratio of the display area.
Description
Technical Field
The embodiment of the application belongs to the technical field of display, and particularly relates to an array substrate, a display panel and a display device.
Background
With the development of display technology, the comprehensive screen has received extensive attention due to the characteristics of larger screen occupation ratio and ultra-narrow frame. Currently, in a display device such as a mobile phone, a television, a vehicle-mounted display screen, etc., in order to implement functions of self-timer, video call, and fingerprint recognition, a front camera, a receiver, a fingerprint recognition area, a physical key, etc. are usually disposed on the front surface of the display device.
At present, a common full screen display screen is dug in a display area and is used for placing a camera, a biological recognition device and the like, when a signal wire of an array substrate passes through the dug area, the signal wire needs to walk around the periphery of the dug area, and therefore a winding area with a certain width exists on the periphery of the dug area. The inventor finds that the existing design of the arrangement mode of the hole digging area has the problems of wider winding area, relatively dense winding of the winding area and longer winding length.
Disclosure of Invention
The embodiment of the application aims to at least solve one of the technical problems existing in the prior art. Therefore, the embodiment of the application provides an array substrate, a display panel and a display device, which can reduce the winding length and the winding density around the hole digging area.
In a first aspect, an embodiment of the present application provides an array substrate, including:
the display device comprises a display area and a hole digging area surrounded by the display area, wherein a wire winding area surrounding the hole digging area is formed between the display area and the hole digging area;
a plurality of first signal lines arranged in the display area, each of the first signal lines bypassing the hole digging area, crossing the winding area and extending in a first direction in the display area;
the cored-out section is configured to: the main boundary or the tangent line of the main boundary of the hole digging area forms an inclination angle with the first direction, and the inclination angle ranges from more than 0 degrees to less than 90 degrees;
the difference value between the first size and the second size of the hole digging area is smaller than or equal to a threshold value, the first size is the projection size of the outline of the hole digging area in the first direction, the second size is the projection size of the outline of the hole digging area in the second direction, and the first direction is perpendicular to the second direction.
In a second aspect, an embodiment of the present application provides a display panel, including an array substrate as in the above embodiment.
In a third aspect, an embodiment of the present application provides a display device including the display panel of the above embodiment.
According to the array substrate, the display panel and the display device provided by the embodiment of the application, the winding length and the winding density of the first signal wire at the periphery of the hole digging area can be effectively reduced compared with the conventional horizontal strip hole in a mode that the main boundary or the tangent line of the main boundary of the hole digging area is set to be inclined with the first direction and/or the difference value between the first size and the second size of the hole digging area is smaller than or equal to the threshold value, so that the area occupied by the winding area at the periphery of the hole digging area in the display area is reduced, and the screen occupation ratio of the display area is further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.
Fig. 1 is a schematic structural diagram of an array substrate according to an embodiment of the present application;
FIG. 2 is a schematic view of the structure of the hole digging area and its surrounding wire in FIG. 1;
FIG. 3 is a schematic view of the structure of the hole digging area in FIG. 1;
FIG. 4 is a schematic diagram of another structure of an array substrate according to an embodiment of the present application;
FIG. 5 is a schematic view of the structure of the hole digging area in FIG. 4;
FIG. 6 is a schematic view of the structure of the hole digging area and its surrounding wire in FIG. 4;
FIG. 7 is a schematic diagram of another structure of an array substrate according to an embodiment of the present application;
FIG. 8 is a schematic view of the structure of the hole digging area and its surrounding wire in FIG. 7;
FIG. 9 is a schematic diagram of another structure of an array substrate according to an embodiment of the present application;
fig. 10 is another schematic structural diagram of an array substrate according to an embodiment of the present application;
FIG. 11 is a schematic view of the structure of the hole digging area and its surrounding wire in FIG. 10;
FIG. 12 is a schematic diagram of another structure of an array substrate according to an embodiment of the present application;
FIG. 13 is a schematic diagram of another structure of an array substrate according to an embodiment of the present application;
fig. 14 is a schematic structural diagram of a display panel according to an embodiment of the present application;
fig. 15 is a schematic structural diagram of a display device according to an embodiment of the present application;
in the accompanying drawings: display region-R1; hole digging region-R2; tilt region-R21; bending region-R22; transition region-R23; winding area-R3; a first signal line-100; a second signal line-200; function hole-300; a display panel-400; display device-500; a first direction-X; a second direction-Y.
Detailed Description
Features and exemplary embodiments of various aspects of the application are described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the application. It will be apparent, however, to one skilled in the art that embodiments of the application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the application by showing examples of the application.
In the description of the present application, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience in describing embodiments of the present application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the embodiments of the present application.
In the description of the embodiments of the present application, the meaning of several is one or more, the meaning of several is two or more, greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the embodiments of the present application, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly, and those skilled in the art may reasonably ascertain the specific meaning of the terms in the present application by combining the specific contents of the technical solutions.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The embodiments will be described in detail below with reference to the accompanying drawings.
At present, the front surface of the display device needs to be provided with a front camera, a receiver, a fingerprint identification area or a physical key and other functional elements besides a screen, and a current common solution is to provide a hole digging area in the middle of the screen display area or at other positions, wherein the hole digging area is used for arranging the front camera, the receiver, the fingerprint identification area or the physical key and other functional elements. Because the data signal line extends from the lower side of the display panel to the upper side of the display panel, in order to avoid the data signal line from influencing the transmittance of the hole digging area, the data line needs to be continued to extend to the upper side of the display panel after bypassing the hole digging area, and likewise, the scanning signal line needs to bypass the hole digging area in the process of extending from the left side of the display panel to the right side of the display panel.
In the conventional display panel, the hole digging area is generally disposed in the display panel horizontally or vertically, and the shape of the hole digging area is most commonly a strip hole shape. When the data signal lines and the scanning signal lines are extended in the display panel around the hole-digging region in the above manner, the periphery of the hole-digging region may form a larger-density wiring region. Particularly, for a hole digging area which is horizontally arranged and takes a strip hole shape, a larger number of data signal wires need to be wound, and the scanning signal wires have longer travel around the hole digging area; similarly, for a vertical and elongated hole-shaped hole-digging region, a larger number of scanning signal lines need to be wound, and the data signal lines have a longer stroke around the hole-digging region. The arrangement mode of the hole digging area can lead to too dense winding around the hole digging area, too long winding length, larger winding area around the hole digging area, difficult compression and great increase of the 'black edge' area of the non-display area around the hole digging area, thereby influencing the screen occupation ratio of the display area in the whole display panel.
Based on the technical problems, the embodiment of the application provides an array substrate, a display panel and a display device, which can effectively reduce the winding length and the winding density around a hole digging area, reduce the area occupied by the winding area around the hole digging area and further improve the screen occupation ratio of the display area.
For better understanding of the present application, the following describes in detail an array substrate, a display panel and a display device according to the embodiments of the present application with reference to fig. 1 to 15.
Referring to fig. 1 and 2, an embodiment of the present application provides an array substrate, which includes a display area R1 and a hole digging area R2 surrounded by the display area R1, and a winding area R3 surrounding the hole digging area R2 is formed between the display area R1 and the hole digging area R2; and a plurality of first signal lines 100, wherein the plurality of first signal lines 100 are arranged in the display region R1, and each of the first signal lines 100 bypasses the hole digging region R2, crosses the winding region R3, and extends in the first direction X in the display region R1.
Wherein the hole digging region R2 is configured to: the main boundary or tangent of the main boundary of the hole digging region R2 forms an inclination angle with the first direction X, and the inclination angle ranges from 0 ° to 90 °, wherein the specific value of the inclination angle does not include 0 ° and 90 °.
It should be noted that, when the first signal line 100 is a scan line or a data line, the first direction X represents the left-right direction of the array substrate, that is, the lateral direction of the array substrate; when the first signal line 100 is a data line, the first direction X represents an up-down direction of the array substrate, i.e., a longitudinal direction of the array substrate. In the embodiment of the present application, in order to facilitate understanding of the technical solution of the embodiment, the first signal line 100 represents a scan line, and correspondingly, the first direction X represents a left-right direction of the array substrate, and the second direction Y represents an up-down direction of the array substrate.
In addition, the number of the hole digging regions R2 is not limited to one, and there may be a plurality of hole digging regions R2, and the shape of each hole digging region R2 may be the same or different, and is not particularly limited.
It will be appreciated that, in the array substrate according to the embodiment of the present application, by setting the main boundary or the tangent line of the main boundary of the hole digging region R2 to be inclined with respect to the first direction X and setting the range of the inclination angle to be 0 ° to 90 ° (excluding 0 ° and 90 °), compared with the conventional horizontal elongated hole, the winding length and the winding density of the first signal line 100 around the hole digging region R2 can be effectively reduced, the area of the display region R1 occupied by the winding region R3 around the hole digging region R2 is reduced, and the screen ratio of the display region R1 is further improved.
In some alternative embodiments, the cored-out section R2 is configured to: the main boundary or tangent to the main boundary of the hole-digging region R2 is inclined at an angle to the first direction X, and the inclination angle ranges from 63 ° to 76 ° (inclusive of 63 ° and 76 °).
Referring to fig. 2 and 3, taking the case where the hole-digging region R2 is elongated, an optimal inclination angle of the main boundary of the hole-digging region R2 with respect to the first direction X is calculated based on the balance of the number of windings of the scan lines extending in the left and right directions of the display region R1 and the data lines extending in the up and down directions of the display region R1.
When the hole digging area R2 is in a strip hole shape, the hole digging area R2 comprises a straight line portion and semicircular portions connected to two ends of the straight line portion, and at this time, the main boundary of the hole digging area R2 is the outer wall contour of the straight line portion. The length of the hole digging region R2 is denoted by L, the length is the connecting line distance of the endpoints of the two semicircular parts, and the included angle between the main boundary of the hole digging region R2 and the first direction X is denoted by alpha. Meanwhile, the pitch of two adjacent pixel units is denoted by P, and considering that each pixel unit includes a plurality of sub-pixels, here, the sub-pixels included in a single pixel unit are denoted by n, and generally, the value of n ranges from 2 to 4. The pitch of two adjacent scanning lines is denoted by p1, and the pitch of two adjacent data lines is denoted by p2, and in general, p1=p2.
It should be noted that, in a pixel unit, one scanning line corresponds to n data lines one by one, that is, the scanning line corresponds to the pixel unit, and each data line corresponds to each sub-pixel in the pixel unit one by one;
according to the above condition, the number of scan lines and data lines that need to bypass the hole digging region R2 and cross the winding region R3 is calculated to represent the number of scan lines that bypass the hole digging region R2 and cross the winding region R3, then:
；
the number of data lines that bypass the hole digging region R2 and cross the winding region R3 is denoted by N2:
；
in view of the balance of the number of windings of the scanning lines extending in the left and right directions of the display region R1 and the data lines extending in the up and down directions of the display region R1, the above-described =, that is =, the processing results in n=tanα, and since the general value range of n is 2 to 4, the value range of α is 63 ° to 76 ° (inclusive of the end values of 63 ° and 76 °);
therefore, in the embodiment of the present application, when the inclination angle α of the main boundary of the cutout region R2 with respect to the first direction X ranges from 63 ° to 76 °, the winding density in the winding region R3 around the periphery of the cutout region R2 is the lowest, and it is apparent that the optimum inclination angle of the main boundary of the cutout region R2 with respect to the first direction X is from 63 ° to 76 °.
It should be noted that, when the hole-digging region R2 is in an arc shape, the main boundary of the hole-digging region R2 is the arc boundary of the hole-digging region R2, and since the parallel line of the line between the two end points of the arc boundary of the hole-digging region R2 is the tangent line of the main boundary of the hole-digging region R2, the inclination angle α of the line of the two end points of the main boundary of the hole-digging region R2 with respect to the first direction X is equal to the inclination angle α of the tangent line of the main boundary of the hole-digging region R2 with respect to the first direction X, and similarly, the optimum value of the inclination angle α is 63 ° to 76 ° (including the end values 63 ° and 76 °).
Obviously, in the array substrate of the embodiment of the application, by setting the main boundary of the hole digging region R2 or the tangent line of the main boundary to be inclined with the first direction X and setting the value range of the inclination angle to be between 63 ° and 76 °, compared with a conventional horizontal strip hole, the array substrate can effectively reduce the winding density of the data line and the scanning line around the hole digging region R2, namely, the winding density in the winding region R3, and in the manufacturing process of the array substrate, the winding region R3 is easier to compress, the area of the display region R1 occupied by the winding region R3 around the hole digging region R2 can be effectively reduced, the black area formed by the winding region R3 is reduced, and the screen ratio of the display region R1 is further improved. Meanwhile, the value range of the inclination angle is set to be between 63 and 76 degrees, so that the number of windings of the scanning lines which extend leftwards and rightwards in the display area R1 and bypass the hole digging area R2 is basically equal to the number of windings of the data lines which extend upwards and downwards in the display area R1 and bypass the hole digging area R2, the number of windings on the periphery of the hole digging area R2 is kept relatively uniform and balanced, the compression difficulty of the winding area R3 is reduced, and the screen occupation ratio of the display area R1 is further improved.
Referring again to fig. 2 and 3, taking the above-mentioned hole digging region R2 as an example, an optimum inclination angle of the main boundary of the hole digging region R2 with respect to the first direction X is calculated based on the width of the scanning line extending in the left-right direction of the display region R1 and the wiring region R3 formed around the hole digging region R2 by the data line extending in the up-down direction of the display region R1.
According to the above conditions, the scan line winding width of the scan line around the hole region R2 formed in the winding region R3 and the data line winding width of the data line around the hole region R2 formed in the winding region R3 are calculated, and the scan line winding width and the data line winding width are respectively expressed, then:
the method comprises the following steps:
；
when the above-mentioned w1+w2 takes the minimum value, the sum of the winding lengths of the scan lines and the data lines around the hole-digging region R2 is minimized, and because the distance P between the two adjacent pixel units, the distance P1 between the two adjacent scan lines and the distance P2 between the two adjacent data lines are all constant values, according to the monotonicity of the function, and the value interval of α is 0 ° to 90 °, it can be known that when the value of α is larger, the smaller value, the sum of the winding lengths of the scan lines and the data lines around the hole-digging region R2 is theoretically minimized when the hole-digging region R2 is vertically arranged (α is equal to 90 °) on the array substrate, but again based on the balance consideration of the number of the scan lines extending around the display region R1 and the data lines extending up and down around the hole-digging region R2, according to the above, when the value range of α is 63 ° to 76 °, the density in the wire-digging region R3 around the periphery of the hole-digging region R2 can be not only minimized, but also the winding length of the scan lines around the data lines around the hole-digging region R2 can be minimized.
Obviously, in the embodiment of the application, by setting the main boundary of the hole digging region R2 or the tangent line of the main boundary to be inclined with the first direction X, and setting the value range of the inclination angle to be between 63 degrees and 76 degrees, the winding density of the data line and the scanning line at the periphery of the hole digging region R2 is effectively reduced, the winding length of the scanning line and the data line which bypasses the hole digging region R2 is shortened, the black area formed by the winding region R3 can be reduced to the greatest extent, and the screen occupation ratio of the display region R1 is further improved. Meanwhile, the value range of the inclination angle is set to be between 63 and 76 degrees, so that the number of windings of the scanning lines extending leftwards and rightwards in the display area R1 and bypassing the hole digging area R2 is basically equal to the number of windings of the data lines extending upwards and downwards in the display area R1 and bypassing the hole digging area R2, the number of windings on the periphery of the hole digging area R2 is kept relatively uniform and balanced, and the compression difficulty of the winding area R3 is reduced.
Referring again to fig. 1, 2 and 3, in some alternative embodiments, the cored-out section R2 is elongated, i.e., the cored-out section R2 is elongated or kidney-shaped. It will be appreciated that in this shape, the major boundary of the hole-digging region R2 is the straight boundary of the elongated or waist-shaped hole, which is inclined at an angle in the first direction X in the range of 0 ° to 90 ° (excluding the end values of 0 ° and 90 °), preferably in the range of 63 ° to 76 ° (including the end values of 63 ° and 76 °).
From the foregoing, it can be appreciated that by arranging the hole region R2 in a long shape, on the basis that the included angle between the main boundary of the hole region R2 and the first direction X is 63 ° to 76 °, the maximum number of windings and the winding length of the first signal line 100 (i.e., the scan line or the data line) around the hole region R2 can be reduced to the greatest extent, the winding density in the winding region R3 can be reduced, the area of the display region R1 occupied by the winding region R3 can be reduced, and the screen ratio of the display region R1 can be further improved. Meanwhile, by arranging the hole digging areas R2 in a long strip shape, the regularity of the hole digging areas R2 is also ensured, so that the whole array substrate keeps good appearance.
In some alternative embodiments, the hollowed-out region R2 is axisymmetric. Specifically, referring to fig. 1, 2 and 3, the hole digging region R2 may have a shape of a rectangular hole, a waist-shaped hole, a rounded rectangle, or the like. The scanning line conveniently bypasses the hole digging region R2 and spans the winding region R3 to extend towards the first direction X, and meanwhile, the data line conveniently bypasses the hole digging region R2 and spans the winding region R3 to extend towards the second direction Y. It should be noted that, in order to ensure the aesthetic property of the array substrate or the display panel, the hole digging region R2 may be disposed in a middle region, left and right side regions, and a rounded region between lateral and longitudinal boundaries of the top of the array substrate or the display panel, and the specific position thereof is not limited.
In some alternative embodiments, the hole digging region R2 includes an inclined region R21 and at least one inflection region R22 that is curved with respect to the inclined region R21 and smoothly connects with the inclined region R21, and an inclination angle between a main boundary of the inclined region R21 and the first direction X ranges from 0 ° to 90 ° (excluding the end values of 0 ° and 90 °), preferably, ranges from 63 ° to 76 ° (including the end values of 63 ° and 76 °).
Specifically, referring to fig. 4, 5 and 6, in the present embodiment, the inflection region R22 has two ends that are respectively and smoothly connected to the inclined region R21, and the two inflection regions R22 are mirror-symmetrical with respect to the inclined region R21. Preferably, the inclined region R21 and the inflection region R22 are both linear regions, such that main boundaries of the inclined region R21 and the inflection region R22 are both linear, and such that an inclination angle between the main boundary of the inclined region R21 and the first direction X ranges from 63 ° to 76 °, and the two inflection regions R22 are respectively parallel to the first direction X and the second direction Y. Moreover, the included angle between the main boundaries of the two inflection zones R22 and the main boundary of the inclined zone R21 is greater than 90 °, and correspondingly, the included angle between the main boundaries of the two inflection zones R22 and the main boundary of the inclined zone R21 ranges from 104 ° to 117 °, so as to exactly match the included angle of the inclined zone R21 with respect to the first direction X.
In this embodiment, a portion of the first signal line 100 extends along the first direction X after bypassing the bending region R22 and crossing the winding region R3; another part of the first signal line 100 bypasses the inclined region R21 and the bent region R22, and extends in the first direction X after crossing the winding region R3.
Specifically, in the present embodiment, the inflection region R22 has two inflection regions, which are smoothly connected to the upper and lower ends of the inclined region R21, respectively, and the inflection region R22 at the upper end of the inclined region R21 is parallel to the first direction X, and the inflection region R22 at the lower end of the inclined region R21 is parallel to the second direction Y.
It should be understood that, in the present embodiment, it is considered that the scan line and the data line need to bypass the bending region R22 with the shortest winding length and extend in the first direction X and the second direction Y after crossing the winding region R3, respectively.
Therefore, among all the scanning lines bypassing the hole-digging region R2 and crossing the winding region R3, the scanning lines are divided into four parts and extend in the first direction X after bypassing the hole-digging region R2 and crossing the winding region R3 in correspondence with the four winding manners.
The first part of scanning lines start to extend from the left side of the display area R1, then sequentially wind along part or all of the outline of the bending area R22 positioned at the upper end of the inclined area R21 and part of the outline of the upper side of the inclined area R21, and then continue to extend to the right side of the display area R1 along the first direction X; the scanning line of the second part extends from the left side of the display area R1, then sequentially winds along the lower part outline of the inclined area R21, all outlines of the bending area R22 positioned at the upper end of the inclined area R21 and part outlines of the upper end of the inclined area R21, and then continues to extend to the right side of the display area R1 along the first direction X; the third part of scanning lines extend from the left side of the display area R1, then extend along the right side of the display area R1 in the first direction X after sequentially following the lower part outline of the inclined area R21, the whole outline of the bending area R22 at the lower end of the inclined area R21 and the upper part outline of the inclined area R21; the fourth partial scan line extends from the left side of the display region R1, and then continues to extend to the right side of the display region R1 in the first direction X after being wound only along a part or all of the outline of the inflection region R22 at the lower end of the inclined region R21.
Similarly, all the data lines which bypass the hole digging region R2 and cross the winding region R3 are equally divided into four parts and correspondingly bypass the hole digging region R2 in four winding modes and extend in the second direction Y after crossing the winding region R3, and the winding principle and the winding mode are the same as those of the scanning lines, and are not repeated here.
Obviously, through the arrangement and the arrangement of the winding modes of the data line and the scanning line, the winding density of the winding area R3 can be reduced to the greatest extent, the data line and the scanning line can bypass the hole digging area R2 with the shortest winding length and extend to the corresponding first direction X and second direction Y after crossing the winding area R3, the winding length of the data line and the scanning line is reduced to the greatest extent, and the screen occupation ratio of the display area R1 is further improved.
In some alternative embodiments, the cored-out section R2 is configured to satisfy at least one of the following conditions:
referring to fig. 7 and 8, the hole-digging region R2 is arc-shaped, the central angle corresponding to the arc-shaped boundary of the hole-digging region R2 is less than or equal to 90 °, and the inclination angle between the chord corresponding to the arc-shaped boundary of the hole-digging region R2 and the first direction X is in the range of 0 ° to 90 ° (excluding the end values of 0 ° and 90 °), preferably, the inclination angle is in the range of 63 ° to 76 ° (including the end values of 63 ° and 76 °);
referring to fig. 9, the hole-digging region R2 is arcuate, and the straight boundary of the arcuate is inclined to the first direction X, and preferably, the inclination ranges from 63 ° to 76 ° (inclusive of end values of 63 ° and 76 °);
when the hole-digging region R2 is arc-shaped, the main boundary of the hole-digging region R2 is arc-shaped, and the tangent line of the main boundary of the hole-digging region R2 is represented by only the line parallel to the two end points of the arc-shaped contour of the hole-digging region R2.
According to the foregoing description of the inclined long stripe shape of the hole-digging region R2, it is easy to understand that, when the hole-digging region R2 is arc-shaped or arc-shaped, and the above conditions are met correspondingly, compared with the hole-digging region R2 horizontally disposed on the array substrate and arc-shaped or arc-shaped, the maximum number of windings and the winding length of the first signal line 100 in the winding region R3 can be reduced, so that the scan line and the data line can bypass the hole-digging region R2 with fewer winding numbers and shorter winding lengths, and extend in the corresponding first direction X and the second direction Y after crossing the winding region R3, so as to reduce the winding density and the winding length of the scan line and the data line in the winding region R3, reduce the overall length and the width of the winding region R3, and improve the screen ratio of the display region R1.
In addition, it should be noted that, considering that a plurality of functional holes 300 are further provided in the corresponding hole digging region R2 of the array substrate for installing functional elements such as a corresponding camera module, a receiver, and a physical key, by setting the hole digging region R2 to be arc or arc shape meeting the above-mentioned inclination angle condition, not only the number of windings and the winding length of the scanning lines and the data lines around the hole digging region R2 can be reduced, but also the overall area utilization rate of the hole digging region R2 can be improved, so that more functional holes 300 can be provided in the hole digging region R2 with a certain area, and the installation requirement of the corresponding functional elements can be met.
In the present application, the hole digging region R2 may be further configured to: the difference value between the first dimension and the second dimension of the hole digging region R2 is smaller than or equal to a threshold value, the first dimension is a projection dimension of the outline of the hole digging region R2 in the first direction X, the second dimension is a projection dimension of the outline of the hole digging region R2 in the second direction Y, and the first direction X is perpendicular to the second direction Y.
Since the hole digging region R2 is provided with a plurality of functional holes 300, the functional holes 300 have the same shape, and d represents the diameter of the functional hole 300. In the embodiment of the present application, the above-mentioned threshold range is greater than zero and less than or equal to 2d, that is, when the difference between the projection size of the hole-digging region R2 in the first direction X and the projection size of the outline of the hole-digging region R2 in the second direction Y is controlled within the range of zero and twice the diameter of the functional hole 300, the number of windings and the winding length of the scan lines and the data lines around the periphery of the hole-digging region R2 can be controlled to be minimum, that is, under this condition, the winding density in the winding region R3 is reduced to the greatest extent, the "black" width formed by the winding region R3 is reduced, and the screen ratio of the display region R1 is improved.
In some alternative embodiments, the hole digging region R2 is formed by sequentially connecting at least three arc segments end to end. Preferably, referring to fig. 10 and 11, the hole digging region R2 is in a symmetrical quincuncial shape, and the hole digging region R2 is formed by sequentially connecting three arc segments end to end. It should be noted that, in this shape, the hole digging area R2 is provided with a functional hole 300 in each arc segment, and the circle centers of the circles where the three arc segments are located are sequentially connected to form an equilateral triangle, and the circle centers of the corresponding three functional holes 300 are respectively located at three vertices of the equilateral triangle. It will be appreciated that three functional holes 300 are arranged in a "1X2" manner within the hollowed out region R2. Likewise, the hole region R2 is relatively small in shape in the number of windings and the length of windings of the scan lines and the data lines. In addition, in order to improve the integrity and the aesthetic property of the display device, the hole digging region R2 is disposed in the middle region of the top of the array substrate.
In some alternative embodiments, the hole digging region R2 has a rectangular shape, and a difference between a length and a width of the rectangular shape is less than or equal to the threshold value. Preferably, referring to fig. 12, the hollowed-out region R2 is rounded rectangular. In this embodiment, at least two rows of functional holes 300 are disposed in the hole digging region R2, and the number of functional holes 300 in each row is equal. Specifically, in the present embodiment, the hole digging region R2 has 4 functional holes 300, which are arranged in the hole digging region R2 in a "2X2" manner. Compared with the traditional mode of arranging single-row functional holes 300 in the strip holes, when the hole digging area R2 is in a round rectangular shape, and the difference between the length and the width of the hole digging area R2 meets the condition of being smaller than or equal to the sum of the diameters of the two functional holes 300, the hole digging area R2 can be provided with at least two rows of functional holes 300, the installation requirements of corresponding functional elements are met, and the winding density and the winding length of a data line and a scanning line bypassing the hole digging area R2 can be reduced.
In some alternative embodiments, the hole digging areas R2 are provided with a plurality, the hole digging areas R2 are distributed at intervals and are all surrounded by the display area R1, a winding area R3 surrounding the hole digging areas R2 is formed between each hole digging area R2 and the display area R1, and the hole digging areas R2 are configured to meet one of the following conditions: the main boundary or tangent to the main boundary of each of the hole-digging regions R2 is inclined with respect to the first direction X, and the inclination ranges from 0 ° to 90 ° (excluding the end values of 0 ° and 90 °), and also preferably, the inclination ranges from 63 ° to 76 ° (including the end values of 63 ° and 76 °); the difference between the first dimension and the second dimension of at least one of the hole digging areas R2 is less than or equal to a threshold value.
Referring to fig. 13, it will be understood that the array substrate of the present application includes a plurality of hole-digging regions R2, and each hole-digging region R2 may have a shape of a rectangular hole, an arc shape, other closed patterns, etc. The shapes of all the hole digging areas R2 can be the same or different, the number, specific shape and structure of the hole digging areas R2 and the arrangement positions on the array substrate are not limited, and the outline of the hole digging areas R2 can be only required to meet the above conditions according to the actual product requirements, so that the winding density and the winding length of the data lines and the scanning lines which bypass the corresponding hole digging areas R2 are reduced.
Referring again to fig. 4, 5 and 6, in some alternative embodiments, at least two functional holes 300 are spaced apart in the hole digging region R2, and a transition region R23 is formed between the boundary of the hole digging region R2 and the boundary of the functional holes 300 and between the boundaries of two adjacent functional holes 300, and a portion of the first signal line 100 spans the winding region R3, the transition region R23 and extends along the first direction X.
It will be appreciated that the surface of the transition region R23 may be opaque because no functional holes 300 need be provided in the transition region R23. Obviously, in this case, when the scan line extends from the left Fang Yinchu of the display area R1 to the first direction X, there is a portion of the scan line extending in a straight or curved path directly across the winding area R3 and the transition area R23 to the first direction X, and the portion of the scan line does not need to be wound around the contour of the hole digging area R2; similarly, when the data line is led out from the lower portion of the display region R1 and extends in the second direction Y, there is also a case where a part of the data line extends in the second direction Y after directly crossing the winding region R3 and the transition region R23 in a straight or curved path. Then, the existence of the transition region R23 can enable a part of the scan lines and the data lines not to wind around the outline of the hole digging region R2, further reduce the winding length of the scan lines and the data lines, and correspondingly reduce the winding density in the winding region R3, so that the light transmittance of the effective region in the hole digging region R2 is not affected, and the screen occupation ratio of the display region R1 is further improved.
Referring to fig. 1 to 11, in some alternative embodiments, the array substrate of the present application further includes a plurality of second signal lines 200, where the plurality of second signal lines 200 are arranged in the display region R1 and bypass the hole digging region R2, and extend along the second direction Y in the display region R1 across the winding region R3, and a tangent line of a main boundary or a main boundary of the hole digging region R2 is further inclined with respect to the second direction Y.
The first signal lines 100 and the second signal lines 200 are respectively a scanning line and a data line, and any two adjacent ones of the plurality of first signal lines 100 and any two adjacent ones of the plurality of second signal lines 200 cross each other to define a sub-pixel in the display region R1; each sub-pixel comprises a thin film transistor and a pixel electrode; the thin film transistor comprises a grid electrode, a source electrode and a drain electrode; the gate is electrically connected to the first signal line 100, the source is electrically connected to the second signal line 200, and the drain is electrically connected to the pixel electrode.
It should be understood that, in this embodiment, all the scan lines and all the data lines are disposed to intersect each other in the horizontal direction, i.e., the display region R1 of the array substrate is defined. Although the arrangement of the scan lines and the data lines on the array substrate is described in the present embodiment, the arrangement is not limited to the scan lines and the data lines, but may be other arrangements extending in the display region R1 and requiring the wiring lines to bypass the hole digging region R2 and cross the wiring region R3.
Referring to fig. 14, an embodiment of the present application further provides a display panel, where the display panel includes the array substrate provided in each embodiment. It should be noted that the display panel further includes a color filter substrate disposed opposite to the array substrate and a liquid crystal layer interposed between the array substrate and the color filter substrate. The color filter substrate may include a transparent base, a black matrix disposed on a side of the base adjacent to the liquid crystal layer, a filter layer, a protective layer, and the like. Wherein the black matrix, the filter layer, the protective layer, etc. corresponding to the hole-digging region R2 are removed. That is, the color filter substrate corresponding to the hole-punched region R2 remains only the base. The liquid crystal layer is disposed corresponding to the display region R1, but not to the hole-digging region R2.
As an alternative implementation manner, the embodiment of the application further provides a display device, which includes the display panel provided by each embodiment. The display device can be any product or component with a display function, such as a mobile phone, a tablet computer, a notebook computer, a digital photo frame, a navigator, a vehicle-mounted display and the like, and can be integrated with a photosensitive component such as a camera and the like. Referring to fig. 15, in the present embodiment, the display device is an in-vehicle display. The display device provided by the embodiment of the application comprises the display panel in any embodiment, so that the display device has the advantages of difficult disconnection, high safety and the like.
Although the present application is not limited to the embodiments, those skilled in the art will readily appreciate that various modifications and substitutions are possible, and these are within the scope of the embodiments disclosed herein. Therefore, the protection scope of the embodiments of the present application shall be subject to the protection scope of the claims.
Claims (13)
1. An array substrate, characterized by comprising:
the display device comprises a display area and a hole digging area surrounded by the display area, wherein a wire winding area surrounding the hole digging area is formed between the display area and the hole digging area;
a plurality of first signal lines arranged in the display area, each of the first signal lines bypassing the hole digging area, crossing the winding area and extending in a first direction in the display area;
the cored-out section is configured to:
the main boundary or the tangent line of the main boundary of the hole digging area forms an inclination angle with the first direction, and the inclination angle ranges from more than 0 degrees to less than 90 degrees;
the difference value between the first size and the second size of the hole digging area is smaller than or equal to a threshold value, the first size is the projection size of the outline of the hole digging area in the first direction, the second size is the projection size of the outline of the hole digging area in the second direction, and the first direction is perpendicular to the second direction.
2. The array substrate of claim 1, wherein the tilt angle ranges from 63 ° to 76 °.
3. The array substrate of claim 1, wherein the hole digging region is elongated.
4. The array substrate of claim 1, wherein the hole digging region is axisymmetric.
5. The array substrate of claim 1, wherein the hole digging region comprises an inclined region and at least one bent region bent with respect to the inclined region and smoothly connected to the inclined region, and an inclination angle between a main boundary of the inclined region and the first direction ranges from more than 0 ° to less than 90 °.
6. The array substrate of claim 5, wherein a portion of the first signal lines extend in the first direction after bypassing only the bending region and crossing the winding region; another portion of the first signal line extends in the first direction across the line region, bypassing the sloped region and the inflection region.
7. The array substrate of claim 1, wherein the hole digging region is configured to satisfy at least one of the following conditions:
the hole digging area is arc-shaped, the central angle corresponding to the arc-shaped boundary of the hole digging area is smaller than 90 degrees, and the range of the inclination angle between the chord corresponding to the arc-shaped boundary of the hole digging area and the first direction is larger than 0 degrees and smaller than 90 degrees;
the hole digging area is arched, and the linear boundary of the arch is inclined with the first direction;
the hole digging area is formed by sequentially connecting at least three arc sections end to end;
the hole digging area is rectangular, and the difference between the length and the width of the rectangle is smaller than or equal to the threshold value.
8. The array substrate of claim 1, wherein the plurality of hole digging areas are distributed at intervals and are surrounded by the display area, and a winding area surrounding the hole digging area is formed between each hole digging area and the display area;
the plurality of cored-out sections are configured to satisfy one of the following conditions:
the main boundary or the tangent line of the main boundary of each hole digging area forms an inclination angle with the first direction, and the inclination angle ranges from more than 0 degrees to less than 90 degrees;
the difference between the first dimension and the second dimension of at least one of the cored-out sections is less than or equal to a threshold value.
9. The array substrate of claim 1, wherein at least two functional holes are spaced apart from each other in the hole digging region, transition regions are formed between the boundaries of the hole digging region and the functional holes and between the boundaries of two adjacent functional holes, and a portion of the first signal line extends across the winding region, the transition regions and along the first direction.
10. The array substrate of claim 1, further comprising a plurality of second signal lines arranged in the display region and extending in the second direction within the display region across the winding region, the main boundary of the hole region or a tangent to the main boundary also being inclined with respect to the second direction.
11. The array substrate of claim 10, wherein the first signal lines and the second signal lines are respectively scanning lines and data lines, and any two adjacent ones of the plurality of first signal lines and any two adjacent ones of the plurality of second signal lines cross each other to define one sub-pixel in the display area;
each sub-pixel comprises a thin film transistor and a pixel electrode;
the thin film transistor comprises a grid electrode, a source electrode and a drain electrode;
the grid electrode is electrically connected with the first signal line, the source electrode is electrically connected with the second signal line, and the drain electrode is electrically connected with the pixel electrode.
12. A display panel comprising an array substrate according to any one of claims 1 to 11.
13. A display device comprising the display panel according to claim 12.
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