CN210626840U - Array substrate and display device - Google Patents
Array substrate and display device Download PDFInfo
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- CN210626840U CN210626840U CN201920872919.8U CN201920872919U CN210626840U CN 210626840 U CN210626840 U CN 210626840U CN 201920872919 U CN201920872919 U CN 201920872919U CN 210626840 U CN210626840 U CN 210626840U
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Abstract
The application discloses an array substrate and a display device, wherein a display panel is divided into a display area and a non-display area, the non-display area is provided with a driving circuit, the array substrate comprises a fan-out area arranged in the non-display area, and the fan-out area is electrically connected with the driving circuit; the fan-out area is provided with fan-out wires, the fan-out wires are connected with the wires of the display area in a one-to-one correspondence mode, and the fan-out area is divided into at least a first fan-out area and a second fan-out area according to different arrangement modes of the fan-out wires; the distance between adjacent fan-out wires in the first fan-out region is larger than the distance between adjacent fan-out wires in the second fan-out region, grooves are formed between the adjacent fan-out wires in the first fan-out region, and when polyimide is coated, the polyimide flows to the grooves, so that the polyimide is prevented from overflowing to frame glue, the frame glue is polluted, and the solidification of the frame glue is influenced.
Description
Technical Field
The application relates to the technical field of display, in particular to an array substrate and a display device.
Background
In the display panel, a plurality of photo spacers (Dummy PS Wall) and a plurality of grooves are disposed in a peripheral region of a Color Filter (CF) substrate, thereby preventing an alignment layer forming liquid (Polyimide, PI) from flowing back into an effective display region from the periphery of the effective display region when the alignment layer forming liquid is coated on the Color Filter substrate. Due to design limitations of the fan-out region of the display panel, the transmission line forms an inverted triangular region in cooperation with each connecting portion, and liquid backflow accumulation of the alignment layer is easily generated at the position.
At present, the coating precision of the alignment layer forming liquid is controlled by adjusting a coating machine on the array substrate side, and the spraying mode is more adopted in the coating mode. However, as the market demand for large-size narrow-frame products is increased, the coating precision required by the narrow-frame products is not easy to adjust by the coating machine in a spraying mode, and in addition, the PI does not have a retaining wall on the array substrate side at present, so that the PI easily overflows to the frame glue, pollutes the frame glue and influences the curing of the frame glue.
SUMMERY OF THE UTILITY MODEL
The application aims to provide an array substrate and a display device which can prevent polyimide from overflowing to frame glue, so that curing of the frame glue is influenced.
The application discloses an array substrate, wherein a display panel is divided into a display area and a non-display area, the non-display area is provided with a driving circuit, the array substrate comprises a fan-out area, and the fan-out area is arranged in the non-display area; the fan-out area is provided with fan-out wires, the driving circuit is provided with a plurality of pins, the plurality of pins of the driving circuit are correspondingly connected with the wires of the display area one by one through the fan-out wires, and the fan-out area is at least divided into a first fan-out area and a second fan-out area according to different arrangement modes of the fan-out wires; wherein, the distance between adjacent fan-out wires in the first fan-out area is larger than the distance between adjacent fan-out wires in the second fan-out area, and a groove is arranged between the adjacent fan-out wires in the first fan-out area.
Optionally, the second fan-out region is disposed in a middle of the fan-out region, and the second fan-out region includes a first region and a second region, one end of the first region is electrically connected to the driving circuit, and the other end of the first region is electrically connected to the display region through the second region; the two first fan-out regions are symmetrically arranged on two sides of the second fan-out region, each first fan-out region comprises a third region, a fourth region and a fifth region, one end of the third region is electrically connected to the driving circuit, the other end of the third region is electrically connected to the fifth region through the fourth region, and the fifth region is electrically connected to the display region; the pitch of adjacent fan-out wires in the fifth area is greater than the pitch of adjacent fan-out wires in the third area and the pitch of adjacent fan-out wires in the fourth area; the grooves are arranged between the adjacent fan-out wires in the fifth area and are rectangular.
Optionally, the display area is provided with data lines and scan lines, the fan-out wires of the fifth area are connected with the scan lines of the display area in a one-to-one correspondence manner, and the extending directions of the fan-out wires of the third area and the fifth area are consistent with the arrangement direction of the data lines or the scan lines; and the groove is arranged between two adjacent fan-out wires in the third area and is a long strip-shaped groove.
Optionally, a plurality of grooves with the same shape and the same size are arranged between adjacent fan-out wires in the third area, and the grooves are arranged between the fan-out wires in multiple rows and multiple columns; in the data line direction, the distances between the adjacent grooves are equal; in the scanning line direction, the distance of the both ends of recess apart from adjacent the interval of fan-out wire all is greater than 2.5 um.
Optionally, a plurality of grooves with the same shape and the same size are arranged between adjacent fan-out wires in the third area, and the grooves are arranged between the fan-out wires in multiple rows and multiple columns; in the scanning line direction, the intervals between the adjacent grooves are equal.
Optionally, a groove is arranged between every two adjacent fan-out wires in the fifth area, the size of the groove in the fifth area is consistent, and the cross-sectional area of the groove in the fifth area is larger than that of the groove in the third area.
Optionally, the array substrate further includes a first metal layer, a first insulating layer, a second metal layer, and a second insulating layer, the first metal layer forms the fan-out wire by etching, the first insulating layer is formed on the first metal layer, the second metal layer is formed on the first insulating layer, and the second insulating layer is formed on the second metal layer; the second insulating layer is hollowed out at intervals of fan-out wires corresponding to the third area and the fourth area to form the groove.
Optionally, the groove is far away from one side of the display area, and the second insulating layer is reserved to form a retaining wall corresponding to the groove.
The application also discloses an array substrate, the display panel is divided into a display area and a non-display area, the non-display area is provided with a driving circuit, the array substrate comprises a fan-out area, and the fan-out area is arranged in the non-display area;
the array substrate further comprises a first metal layer, a first insulating layer, a second metal layer and a second insulating layer, wherein the fan-out conducting wires are formed by etching the first metal layer, the first insulating layer is formed on the first metal layer, the second metal layer is formed on the first insulating layer, and the second insulating layer is formed on the second metal layer;
the display panel further comprises a color film substrate and frame glue, the color film substrate and the array substrate are arranged in a box-to-box mode, the frame glue encapsulates the array substrate and the color film substrate, and the frame glue partially covers the fan-out area;
the fan-out area is provided with fan-out wires, the driving circuit is provided with a plurality of pins, the plurality of pins of the driving circuit are correspondingly connected with the wires of the display area one by one through the fan-out wires, and the fan-out area is at least divided into a first fan-out area and a second fan-out area according to different arrangement modes of the fan-out wires; the second fan-out region is arranged in the middle of the fan-out region and comprises a first region and a second region, one end of the first region is electrically connected to the driving circuit, and the other end of the first region is electrically connected to the display region through the second region; the two first fan-out regions are symmetrically arranged on two sides of the second fan-out region, each first fan-out region comprises a third region, a fourth region and a fifth region, one end of the third region is electrically connected to the driving circuit, the other end of the third region is electrically connected to the fifth region through the fourth region, and the fifth region is electrically connected to the display region; the pitch of adjacent fan-out wires in the fifth area is greater than the pitch of adjacent fan-out wires in the third area and the pitch of adjacent fan-out wires in the fourth area; the grooves are arranged between two adjacent fan-out wires in the third area, the grooves are long-strip-shaped grooves, the long-strip-shaped grooves are the same in shape and size, and the long-strip-shaped grooves are arranged between the fan-out wires in multiple rows and multiple columns; the grooves are arranged between the adjacent fan-out wires in the fifth area and are rectangular; and the second insulating layer is hollowed at the interval of the fan-out wires corresponding to the third area and the fourth area to form the strip-shaped groove and the rectangular groove.
The application also discloses a display device, including drive module and display panel, display panel includes as above arbitrary the array substrate, drive module with display panel is coupled.
For the scheme that does not set up the recess on the array substrate, this application sets up the recess in array substrate's fan-out district, if PI also coats, because the problem of coating machine leads to PI liquid coating inequality to lead to overflowing, the recess can splendid attire PI liquid this moment, prevent that PI liquid from overflowing from the fan-out district, influence the solidification of the frame glue of display panel, and fan-out wire distributes in the fan-out district and sets up the recess in more sparse place, so can effectively utilize the space in fan-out district, damage the fan-out wire carelessly when preventing the grooving, lead to fan-out wire condition such as fracture to appear to take place, in addition because self can have certain fault between the wire, set up the quantity that the recess so can increase splendid attire PI liquid between the fan-out wire, the effectual excessive fan-out district of PI liquid department.
Drawings
The accompanying drawings, which are included to provide an alternative understanding of embodiments of the application, are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 is a schematic diagram of a display device according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a display panel according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a fan-out area of an embodiment of the present application;
FIG. 4 is a schematic view of a polyimide coated fan-out region of an embodiment of the present application;
FIG. 5 is a schematic illustration of a wire distribution within a first region of an embodiment of the present application;
FIG. 6 is a schematic illustration of a wire distribution within a second region of an embodiment of the present application;
FIG. 7 is a schematic illustration of a wire distribution in a third area of an embodiment of the present application;
FIG. 8 is a schematic illustration of a wire distribution within a fourth region of an embodiment of the present application;
FIG. 9 is a schematic illustration of a wire distribution in a fifth area of an embodiment of the present application;
FIG. 10 is a schematic view of a groove in a fifth region of an embodiment of the present application;
FIG. 11 is a schematic view of a groove in a third region of an embodiment of the present application;
FIG. 12 is a schematic diagram of a display panel according to an embodiment of the present application;
FIG. 13 is a schematic view of a groove in a third region of an embodiment of the present application;
FIG. 14 is a schematic view of an array substrate according to an embodiment of the present application;
fig. 15 is a schematic view of retaining a second metal layer as a retaining wall according to an embodiment of the present application.
100, a display device; 110. a display panel; 120 a drive module; 130. a drive circuit; 140. a display area; 150. a non-display area; 160. an array substrate; 170. a fan-out region; 180. fan-out wires; 190. a first fan-out region; 200. a second fan-out region; 210. A groove; 220. a first region; 230. a second region; 240. a third region; 250. a fourth region; 260. a fifth region; 270. a data line; 280. scanning a line; 290. a first metal layer; 300. a first insulating layer; 310. a second metal layer; 320. a second insulating layer; 330. A color film substrate; 340. frame glue; 350. a polyimide coated region.
Detailed Description
It is to be understood that the terminology, the specific structural and functional details disclosed herein are for the purpose of describing particular embodiments only, and are representative, but that the present application may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.
In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as implicitly indicating the number of technical features indicated. Thus, unless otherwise specified, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; "plurality" means two or more. The terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that one or more other features, integers, steps, operations, elements, components, and/or combinations thereof may be present or added.
Further, terms of orientation or positional relationship indicated by "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are described based on the orientation or relative positional relationship shown in the drawings, are simply for convenience of description of the present application, and do not indicate that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, fixed connections, removable connections, and integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The application is further described with reference to the drawings and alternative embodiments.
As shown in fig. 1, an embodiment of the present application discloses a display device 100, which includes a driving module 120 and a display panel 110, wherein the driving module 120 is coupled to the display panel 110, and the driving module 120 drives the display panel 110 to display.
As shown in fig. 2 to 3, the driving module 120 includes a driving circuit 130, the display panel 110 is divided into a display area 140 and a non-display area 150, the non-display area 150 is provided with the driving circuit 130, the display panel 110 includes an array substrate 160, and the array substrate 160 includes a fan-out area 170 disposed in the non-display area 150; the fan-out area 170 is provided with fan-out wires 180, the driving circuit is provided with a plurality of pins, the plurality of pins of the driving circuit are correspondingly connected with the wires of the display area 140 one by one through the fan-out wires 180, and the fan-out area 170 is divided into at least a first fan-out area 190 and a second fan-out area 200 according to different arrangement modes of the fan-out wires 180;
wherein the spacing between adjacent fan-out wires 180 in the first fan-out region 190 is greater than the spacing between adjacent fan-out wires 180 in the second fan-out region 200, and a groove 210 is disposed between the adjacent fan-out wires 180 in the first fan-out region 190; in the manufacturing of the display panel 110, when the PI liquid is coated, often because the coating machine is not accurate enough, the PI liquid is overflowed, once the PI liquid overflows to the fan-out area 170, the box thickness is increased, the risk of light leakage is brought, in addition, the solidification of the frame glue 340 of the display panel 110 is also influenced, the grooves 210 are arranged in the area where the wires are sparsely distributed in the fan-out area 170, the PI liquid flows into the grooves 210, the PI is prevented from being accumulated or overflowing, in addition, the grooves 210 are arranged in the sparse area, the space of the fan-out area 170 can be effectively utilized, the fan-out wires 180 are prevented from being damaged carelessly during the grooving, and the fan-out wires 180 are broken.
As shown in fig. 4, the second fan-out region 200 is disposed in the middle of the fan-out region 170, the second fan-out region 200 is a region with dense wires, and generally no groove 210 is disposed, two first fan-out regions 190 are disposed and symmetrically disposed on two sides of the second fan-out region 200, the first fan-out regions 190 are regions with sparse wires 180, after PI liquid is coated, the PI liquid flows to two sides, and a groove 210 is disposed, and when the PI liquid overflows to two sides of the fan-out region 170, the PI liquid directly flows into the groove 210.
Specifically, as shown in fig. 4 to 9, the second fan-out region 200 includes a first region 220 and a second region 230, one end of the first region 220 is electrically connected to the driving circuit 130, and the other end of the first region 220 is electrically connected to the display region 140 through the second region 230; one end of the conductive line in the first region 220 is connected to the driving circuit 130, the other end is connected to one end of the conductive line in the second region 230, and the other end of the conductive line in the second region 230 is connected to the conductive line in the display region 140; each of the first fan-out regions 190 includes a third region 240, a fourth region 250, and a fifth region 260, one end of the third region 240 is electrically connected to the driving circuit 130, the other end of the third region 240 is electrically connected to the fifth region 260 through the fourth region 250, and the fifth region 260 is electrically connected to the display region 140; one end of a wire in the third area 240 is connected with the driving circuit 130, the other end of the wire in the fourth area 250 is connected with one end of a wire in the fifth area 260, the other end of the wire in the fourth area 250 is connected with one end of a wire in the display area 140, the number of the wires in each area is equal, the cross-sectional areas of the wires are equal, but the areas of the adjacent areas are different, so that the arrangement of the wires is sparsely and densely distinguished.
Referring to fig. 10 to 13, it should be noted that the pitch of the adjacent fan-out wires 180 in the fifth area 260 is greater than the pitch of the adjacent fan-out wires 180 in the third area 240 and the pitch of the adjacent fan-out wires 180 in the fourth area 250; the grooves 210 are arranged between adjacent fan-out wires 180 in the fifth area 260, the grooves 210 are rectangular, the fifth area 260 is an edge part of the fan-out area 170, and the grooves 210 are rectangular and convenient to form.
Generally, the conductive lines in the display area 140 are provided with data lines 270 and scan lines 280, the fan-out conductive lines 180 of the fifth area 260 are connected with the scan lines 280 of the display area 140 in a one-to-one correspondence manner, and the extending directions of the fan-out conductive lines 180 of the third area 240 and the fifth area 260 are consistent with the arrangement direction of the data lines 270 or the scan lines 280; when the included angle between the extending direction of the fan-out wires 180 of the first fan-out region 190 and the arrangement direction of the data lines 270 is less than or equal to 20 degrees, the extending direction of the fan-out wires 180 of the first fan-out region 190 is consistent with the arrangement direction of the data lines 270, where the lines are in the vertical direction, and PI easily flows out along the direction, so that the groove 210 is provided, so that the PI flows into the groove 210, and the overflow frame glue 340 encapsulation region is prevented from being influenced by the solidification of the frame glue 340.
The grooves 210 are arranged between two adjacent fan-out wires 180 in the third region 240 while the rectangular grooves 210 are arranged in the fifth region 260, the grooves 210 are elongated grooves 210, the elongated grooves 210 are convenient for an exposure machine to form during exposure, it should be noted that the cross-sectional area of the rectangular grooves 210 is larger than that of the elongated grooves 210, and the fifth region 260 is a region during PI liquid coating.
Correspondingly, a plurality of grooves 210 with the same shape and size are arranged between the adjacent fan-out wires 180 in the third area 240, and the grooves 210 are arranged between the fan-out wires 180 in multiple rows and multiple columns; in the direction of the data line 270, the distance between the adjacent grooves 210 is equal; a plurality of grooves in the third area, the plurality of grooves between adjacent wires being arranged in a straight line, the plurality of adjacent grooves arranged in a straight line being arranged in a staggered manner on the data line; in the direction of the scan line 280, the distance between the two ends of the groove 210 and the distance d4 between the adjacent fan-out wires 180 is greater than 2.5um, the minimum length d3 of the groove is 2.5um, and the distance is controlled to prevent the second metal layer 310 from being damaged when the groove is dug because the precision of the exposure machine is limited.
As shown in fig. 14, the array substrate 160 further includes a first metal layer 290, a first insulating layer 300, a second metal layer 310 and a second insulating layer 320, the first metal layer 290 forms the fan-out wire 180 by etching, the first insulating layer 300 is formed on the first metal layer 290, the second metal layer 310 is formed on the first insulating layer 300, and the second insulating layer 320 is formed on the second metal layer 310; the second insulating layer 320 is hollowed out at intervals corresponding to the fan-out wires 180 of the third and fourth regions 240 and 250 to form the grooves 210.
As another embodiment of the present application, a plurality of grooves 210 with the same shape and size are arranged between the adjacent fan-out wires 180 in the third area 240, and the grooves 210 are arranged between the fan-out wires 180 in multiple rows and multiple columns; in the direction of the scan line 280, the distance between the adjacent grooves 210 is equal, and of course, in the direction of the scan line 280, the distance between the adjacent grooves 210 is smaller than the distance between the adjacent grooves 210 in the direction of the scan line 280.
As another embodiment of the present application, referring to fig. 2 to 14, an array substrate 160 of a display panel 110 is disclosed, the display panel 110 is divided into a display area 140 and a non-display area 150, the non-display area 150 is provided with a driving circuit 130, wherein the array substrate 160 includes a fan-out area 170, and the fan-out area 170 is provided in the non-display area 150; the array substrate 160 further includes a first metal layer 290, a first insulating layer 300, a second metal layer 310, and a second insulating layer 320, the first metal layer 290 forms the fan-out wire 180 by etching, the first insulating layer 300 is formed on the first metal layer 290, the second metal layer 310 is formed on the first insulating layer 300, and the second insulating layer 320 is formed on the second metal layer 310;
the display panel 110 further includes a color film substrate and a sealant 340, the color film substrate and the array substrate 160 are arranged in an aligned manner, the sealant 340 encapsulates the array substrate 160 and the color film substrate, and the sealant 340 partially covers the fan-out area 170; the fan-out area 170 is provided with fan-out wires 180, the driving circuit is provided with a plurality of pins, the plurality of pins of the driving circuit are correspondingly connected with the wires of the display area 140 one by one through the fan-out wires 180, and the fan-out area 170 is divided into at least a first fan-out area 190 and a second fan-out area 200 according to different arrangement modes of the fan-out wires 180;
the second fan-out region 200 is disposed in the middle of the fan-out region 170, the second fan-out region 200 includes a first region 220 and a second region 230, one end of the first region 220 is electrically connected to the driving circuit 130, and the other end of the first region 220 is electrically connected to the display region 140 through the second region 230; the first fan-out regions 190 are symmetrically arranged on two sides of the second fan-out region 200, each first fan-out region 190 comprises a third region 240, a fourth region 250 and a fifth region 260, one end of the third region 240 is electrically connected to the driving circuit 130, the other end of the third region 240 is electrically connected to the fifth region 260 through the fourth region 250, and the fifth region 260 is electrically connected to the display region 140;
the spacing of adjacent fan-out wires 180 in the fifth region 260 is greater than the spacing of adjacent fan-out wires 180 in the third region 240 and the spacing of adjacent fan-out wires 180 in the fourth region 250; the grooves 210 are arranged between two adjacent fan-out wires 180 in the third area 240, the grooves 210 are strip-shaped grooves 210, the number of the strip-shaped grooves 210 is multiple, the strip-shaped grooves 210 are the same in shape and size, and the strip-shaped grooves 210 are arranged between the fan-out wires 180 in multiple rows and multiple columns; the grooves 210 are arranged between the adjacent fan-out wires 180 in the fifth area 260, and the grooves 210 are rectangular;
the second insulating layer 320 is hollowed at intervals corresponding to the fan-out wires 180 of the third region 240 and the fourth region 250 to form the strip-shaped groove 210 and the rectangular groove 210, so as to prevent the PI solution from overflowing to the sealant to contaminate the sealant and affect the curing of the sealant.
It can be known from the above embodiments that the grooves are formed in the insulating layer to store the PI liquid, so as to prevent the PI liquid from overflowing, as shown in fig. 15, in order to enable the region corresponding to the groove on the insulating layer to store more PI liquid, optionally, on the side of the groove away from the display region, the second metal layer is retained without being etched, so as to form a retaining wall corresponding to the groove, the second metal layer is used as a stopper, and correspondingly, the place corresponding to the groove and corresponding to the second metal layer can be set as a plurality of metal stoppers in a one-to-one correspondence manner, or the second metal layer can be etched into a metal wire, which is used as a metal retaining wall, so that the PI liquid can be better prevented from overflowing from the wires in the fan-out region, thereby affecting the solidification of the sealant.
The technical solution of the present application can be widely applied to various display panels, such as a Twisted Nematic (TN) display panel, an In-Plane Switching (IPS) display panel, a Vertical Alignment (VA) display panel, and a Multi-Domain Vertical Alignment (MVA) display panel, and of course, other types of display panels, such as an Organic Light-Emitting Diode (OLED) display panel, can also be applied to the above solution.
The foregoing is a more detailed description of the present application in connection with specific alternative embodiments, and the present application is not intended to be limited to the specific embodiments shown. For those skilled in the art to which the present application pertains, several simple deductions or substitutions may be made without departing from the concept of the present application, and all should be considered as belonging to the protection scope of the present application.
Claims (10)
1. The utility model provides an array substrate, display panel divide into display area and non-display area, the non-display area is provided with drive circuit, its characterized in that includes:
a fan-out area disposed in the non-display area;
the fan-out area is provided with fan-out wires, the driving circuit is provided with a plurality of pins, the plurality of pins of the driving circuit are correspondingly connected with the wires of the display area one by one through the fan-out wires, and the fan-out area is at least divided into a first fan-out area and a second fan-out area according to different arrangement modes of the fan-out wires;
wherein, the distance between adjacent fan-out wires in the first fan-out area is larger than the distance between adjacent fan-out wires in the second fan-out area, and a groove is arranged between the adjacent fan-out wires in the first fan-out area.
2. The array substrate of claim 1, wherein the second fan-out region is disposed in a middle portion of the fan-out region, the second fan-out region includes a first region and a second region, one end of the first region is electrically connected to the driving circuit, and the other end of the first region is electrically connected to the display region through the second region;
the two first fan-out regions are symmetrically arranged on two sides of the second fan-out region, each first fan-out region comprises a third region, a fourth region and a fifth region, one end of the third region is electrically connected to the driving circuit, the other end of the third region is electrically connected to the fifth region through the fourth region, and the fifth region is electrically connected to the display region;
the pitch of adjacent fan-out wires in the fifth area is greater than the pitch of adjacent fan-out wires in the third area and the pitch of adjacent fan-out wires in the fourth area; the grooves are arranged between the adjacent fan-out wires in the fifth area and are rectangular.
3. The array substrate of claim 2, wherein the display area is provided with data lines and scanning lines, the fan-out wires of the fifth area are connected with the scanning lines of the display area in a one-to-one correspondence manner, and the extending directions of the fan-out wires of the third area and the fifth area are consistent with the arrangement direction of the data lines or the scanning lines; and the groove is arranged between two adjacent fan-out wires in the third area and is a long strip-shaped groove.
4. An array substrate according to claim 3, wherein a plurality of equally shaped and sized grooves are disposed between adjacent fan-out wires in the third area, the grooves being disposed between the fan-out wires in a plurality of rows and columns;
in the data line direction, the distances between the adjacent grooves are equal;
in the scanning line direction, the distance of the both ends of recess apart from adjacent the interval of fan-out wire all is greater than 2.5 um.
5. An array substrate according to claim 3, wherein a plurality of equally shaped and sized grooves are disposed between adjacent fan-out wires in the third area, the grooves being disposed between the fan-out wires in a plurality of rows and columns;
in the scanning line direction, the intervals between the adjacent grooves are equal.
6. The array substrate as claimed in claim 3, wherein a groove is formed between two adjacent fan-out wires in the fifth area, the groove in the fifth area is uniform in size, and the cross-sectional area of the groove in the fifth area is larger than that of the groove in the third area.
7. The array substrate of claim 3, wherein the array substrate further comprises a first metal layer, a first insulating layer, a second metal layer and a second insulating layer, the first metal layer forms the fan-out wires by etching, the first insulating layer is formed on the first metal layer, the second metal layer is formed on the first insulating layer, and the second insulating layer is formed on the second metal layer;
the second insulating layer is hollowed out at intervals of fan-out wires corresponding to the third area and the fourth area to form the groove.
8. The array substrate of claim 7, wherein the recess is away from the display area, and the second metal layer is retained to form a retaining wall corresponding to the recess.
9. An array substrate is characterized in that a display panel is divided into a display area and a non-display area, and the non-display area is provided with a driving circuit;
a fan-out area disposed in the non-display area;
the array substrate further comprises a first metal layer, a first insulating layer, a second metal layer and a second insulating layer, wherein the first metal layer forms fan-out wires through etching, the first insulating layer is formed on the first metal layer, the second metal layer is formed on the first insulating layer, and the second insulating layer is formed on the second metal layer;
the display panel further comprises a color film substrate and frame glue, the color film substrate and the array substrate are arranged in a box-to-box mode, the frame glue encapsulates the array substrate and the color film substrate, and the frame glue partially covers the fan-out area;
the fan-out area is provided with fan-out wires, the driving circuit is provided with a plurality of pins, the plurality of pins of the driving circuit are correspondingly connected with the wires of the display area one by one through the fan-out wires, and the fan-out area is at least divided into a first fan-out area and a second fan-out area according to different arrangement modes of the fan-out wires;
the second fan-out region is arranged in the middle of the fan-out region and comprises a first region and a second region, one end of the first region is electrically connected to the driving circuit, and the other end of the first region is electrically connected to the display region through the second region;
the two first fan-out regions are symmetrically arranged on two sides of the second fan-out region, each first fan-out region comprises a third region, a fourth region and a fifth region, one end of the third region is electrically connected to the driving circuit, the other end of the third region is electrically connected to the fifth region through the fourth region, and the fifth region is electrically connected to the display region;
the pitch of adjacent fan-out wires in the fifth area is greater than the pitch of adjacent fan-out wires in the third area and the pitch of adjacent fan-out wires in the fourth area;
a plurality of grooves are arranged between two adjacent fan-out wires in the third area, are in the shape of a strip, are the same in shape and size and are arranged between the fan-out wires in multiple rows and multiple columns;
the grooves are arranged between the adjacent fan-out wires in the fifth area and are rectangular;
and the second insulating layer is hollowed at the interval of the fan-out wires corresponding to the third area and the fourth area to form the strip-shaped groove and the rectangular groove.
10. A display device comprising a driving module and a display panel, the display panel comprising the array substrate according to any one of claims 1 to 9, the driving module being coupled to the display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN115220272A (en) * | 2022-06-15 | 2022-10-21 | 惠科股份有限公司 | Display panel and display device |
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| CN115220272A (en) * | 2022-06-15 | 2022-10-21 | 惠科股份有限公司 | Display panel and display device |
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