CN115171621B - Display panel and display device - Google Patents
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- CN115171621B CN115171621B CN202210908576.2A CN202210908576A CN115171621B CN 115171621 B CN115171621 B CN 115171621B CN 202210908576 A CN202210908576 A CN 202210908576A CN 115171621 B CN115171621 B CN 115171621B
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- 230000007423 decrease Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 description 21
- 238000010586 diagram Methods 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The embodiment of the invention provides a display panel and a display device. The display panel comprises a display area and a non-display area; the display area has a curved corner and the non-display area includes a corner non-display area adjacent to the curved corner; the display area comprises a plurality of scanning lines extending along a first direction; the non-display area comprises a plurality of shift registers, and the output ends of the shift registers are coupled with the scanning lines; the display panel includes a connection line extending from the corner non-display region to the display region; one end of the connecting line is connected with the output end of the shift register positioned in the corner non-display area, and the other end of the connecting line is connected with the scanning line. The invention can save the wiring space of the corner non-display area and reduce the frame width of the corner non-display area.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
With the development of display technology, the display area of the display product gradually develops from a right-angle corner to a more beautiful arc corner. The shift register is arranged in the non-display area adjacent to the arc corner, the shift register is required to be arranged along the outline of the arc corner, so that the shift register and the pixel circuit rows in the display area cannot be in one-to-one correspondence, and a large wiring space is required to be reserved in the non-display area adjacent to the arc corner, and therefore the width of the frame at the position of the arc corner is large.
Disclosure of Invention
The embodiment of the invention provides a display panel and a display device, which are used for solving the technical problem of reducing the width of a frame at an arc corner position.
In a first aspect, an embodiment of the present invention provides a display panel, including a display area and a non-display area; the display area has a curved corner and the non-display area includes a corner non-display area adjacent to the curved corner;
the display area comprises a plurality of scanning lines extending along a first direction; the non-display area comprises a plurality of shift registers, and the output ends of the shift registers are coupled with the scanning lines;
the display panel includes a connection line extending from the corner non-display region to the display region; one end of the connecting line is connected with the output end of the shift register positioned in the corner non-display area, and the other end of the connecting line is connected with the scanning line.
In a second aspect, based on the same inventive concept, an embodiment of the present invention further provides a display apparatus, including a display panel provided by any embodiment of the present invention.
The display panel and the display device provided by the embodiment of the invention have the following beneficial effects: the display panel is provided with the connecting line extending from the corner non-display area to the display area, the shift register arranged in the corner non-display area is connected to the corresponding scanning line through the connecting line, and the oblique stay wire connected between the shift register and the scanning line is not required to be arranged in the corner non-display area, so that the distance between the shift register in the corner non-display area and the arc corner can be reduced, the space of the corner non-display area is saved, and the width of the corner non-display area is reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are some embodiments of the invention and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of a display panel according to the prior art;
FIG. 2 is a schematic diagram of a display panel according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the region Q1 of FIG. 2;
FIG. 4 is a schematic diagram of a portion of another display panel according to an embodiment of the invention;
FIG. 5 is a schematic diagram of a portion of another display panel according to an embodiment of the invention;
FIG. 6 is a schematic diagram of a portion of another display panel according to an embodiment of the invention;
FIG. 7 is a schematic diagram of a portion of another display panel according to an embodiment of the invention;
FIG. 8 is a schematic diagram of a portion of another display panel according to an embodiment of the invention;
FIG. 9 is a schematic cross-sectional view of another display panel according to an embodiment of the present invention;
fig. 10 is a schematic diagram of a display device according to an embodiment of the invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
Fig. 1 is a schematic diagram of a display panel in the prior art, as shown in fig. 1, a display area has arc corners 01, pixel circuits 02 in the display area are arranged into pixel circuit rows 03, and one scanning line 04 drives a plurality of pixel circuits 02 in one pixel circuit row 03. The shift register 06 in the non-display area 05 adjacent to the arc corner 01 is arranged along the outline shape of the arc corner 01, so that the shift register 06 and the corresponding pixel circuit line 03 are dislocated, the scan line 04 in the display area corresponding to the shift register 06 needs to be provided with an oblique pull line 07 when being connected, and the oblique pull line 07 causes the width d of the non-display area to be increased.
In order to solve the problems in the prior art, the embodiment of the invention provides a display panel, which is designed in a connection mode between a shift register and a scanning line in a corner non-display area, wherein a connection line is arranged to be led out from an output end of the shift register in the corner non-display area and then directly extends to the display area and then is connected with a corresponding scanning line, and the arrangement is that an oblique pull line connected between the shift register and the scanning line is not required to be arranged in the corner non-display area, so that the wiring space of the corner non-display area can be saved, and the width of the corner non-display area is reduced.
Fig. 2 is a schematic diagram of a display panel according to an embodiment of the invention, and fig. 3 is an enlarged schematic diagram of the region Q1 in fig. 2. As shown in fig. 2, the display panel includes a display area AA and a non-display area NA; the display area AA has a curved corner G and the non-display area NA includes a corner non-display area NAG adjacent to the curved corner G.
As shown in fig. 3, the display area AA includes a plurality of scan lines 10 extending along a first direction x; the non-display area NA includes a plurality of shift registers 20, and output terminals of the shift registers 20 are coupled to the scan lines 10.
The display area AA is provided with a first edge B1 and a second edge B2, and the first edge B1 and the second edge B2 are respectively connected with two ends of the arc-shaped corner G; the non-display area NA includes a first non-display area NA1 adjacent to the first edge B1 and a second non-display area NA2 adjacent to the second edge B2; the first non-display area NA1 is located at one side of the display area AA in the first direction x, and at least part of the shift register 20 is located in the first non-display area NA1; the second non-display area NA2 is located at one side of the display area AA in the third direction y, which intersects the first direction x. As can be seen from fig. 3, the shift register 20 located in the first non-display area NA1 is connected to the scan lines 10 located in the display area AA through the short lines located in the first non-display area NA1.
As shown in fig. 3, the display panel includes a connection line 30, the connection line 30 extending from the corner non-display area NAG to the display area AA; one end of the connection line 30 is connected to an output end of the shift register 20 located in the corner non-display area NAG, and the other end of the connection line 30 is connected to the scan line 10. Since the extending direction of the connection line 30 is the same as the extending direction of the scan line 10 in the display area AA, the scan line 10 connected to the connection line 30 is not illustrated in fig. 3 for clearly illustrating the position of the connection line 30 in fig. 3. In order to distinguish between the connection line 30 and the scan line 10, the scan line 10 is shown by a thicker thick line and the connection line 30 is shown by a thinner thin line in fig. 3, and the thick line and the thin line do not show the actual line width of the scan line 10 and the connection line 30.
According to the display panel provided by the embodiment of the invention, the connecting lines 30 extending from the corner non-display area NAG to the display area AA are arranged, the shift registers 20 arranged in the corner non-display area NAG are connected to the corresponding scanning lines 10 through the connecting lines 30, and oblique pull lines for connecting the shift registers 20 with the scanning lines 10 are not required to be arranged in the corner non-display area NAG, so that the distance between the shift registers 20 in the corner non-display area NAG and the arc-shaped corner G can be reduced, the space of the corner non-display area NAG is saved, and the width of the corner non-display area NAG is reduced.
Fig. 2 is only illustrated with one rectangular display panel, the four corners of which are all curved corners G. In some embodiments, the display panel provided by the embodiment of the invention is a circular display panel, and a wiring manner of connecting lines between at least part of shift registers and scan lines in the circular display panel can also adopt the design of the embodiment of the invention.
In addition, the display panel further includes pixel circuits arranged in an array in the display area AA, and the pixel circuits are arranged in pixel circuit rows in the first direction x. In some embodiments, one scan line 10 is electrically connected to a plurality of pixel circuits in one pixel circuit row, and one shift register 20 is connected to one scan line 10, that is, one shift register 20 drives one pixel circuit row. In other embodiments, one shift register 20 drives two pixel circuit rows, that is, the output end of one shift register 20 is connected to two scan lines 10, so that the number of shift registers 20 can be reduced, and the space of the non-display area NA can be saved.
As shown in fig. 3, the first edge B1 and the second edge B2 are both straight edges, the second edge B2 extends along a first direction x, the first edge B1 extends along a third direction y, and the first direction x and the third direction y are perpendicular to each other. The embodiment of the present invention does not limit the specific structure of the shift register 20, and the shift register 20 may be any structure capable of implementing a signal shift function. The shift register 20 includes a plurality of transistors, each transistor having its own function. Within the first non-display area NA 1: the shift registers 20 are arranged in the third direction y, and the channel extension directions of transistors having the same function in each shift register 20 are the same. The channel extension direction can be considered as the direction in which the source of the transistor points to the drain. The embodiment of the invention can reduce the width of the corner non-display area NAG, is applied to a rectangular display panel, and is beneficial to realizing the design of equal width of the corner non-display area NAG and a straight-edge non-display area (such as a first non-display area NA1 shown in fig. 3).
The shift registers 20 disposed in the corner non-display area NAG are arranged along the extending direction of the arc-shaped corner G in the embodiment of the present invention. Then within the corner non-display area NAG: the shift registers 20 are arranged to accommodate the contour shape of the arcuate corners G, with the channel extension directions of transistors having the same function in adjacent shift registers 20 having non-zero included angles. This arrangement can facilitate wiring of the drive signal lines for driving the shift register 20, and is advantageous in saving wiring space. The driving signal line includes a start signal line, a clock signal line, and a power signal line. All shift registers 20 need to be connected to the clock signal line and the power signal line, and the 1 st shift register 20 in the cascade of shift registers 20 needs to be electrically connected to the start signal line.
The location of the drive signal lines is not illustrated in fig. 3, and in some embodiments, the drive signal lines driving the shift register 20 are disposed on a side of the shift register 20 remote from the display area AA.
In some embodiments, fig. 4 is a schematic partial view of another display panel according to an embodiment of the present invention. Only one corner region of the display panel is schematically shown in fig. 4, and the display panel includes pixel circuits 40, and one scanning line 10 is connected to a plurality of pixel circuits 40 as shown in fig. 4. The plurality of pixel circuits 40 are arranged in a pixel circuit row in the first direction x. The connection line 30 includes a first connection line 31, the first connection line 31 including a first line segment 31a and a second line segment 31b connected to each other, the first line segment 31a extending in a first direction x, the second line segment 31b extending in a second direction c, the second direction c intersecting the first direction x; the first line segment 31a is connected to the output end of the shift register 20, and the second line segment 31b is connected to the scan line 10. In the embodiment of the present invention, when the shift registers 20 in the corner non-display area NAG are arranged in accordance with the outline shape of the arc corner G, there is a dislocation between at least part of the shift registers 20 in the corner non-display area NAG and the corresponding pixel circuit rows, so that a certain distance exists between the connecting line 30 directly led out from the output end of the shift register 20 and the corresponding scan line 10. In this case, the first connection line 31 having a polygonal line shape is provided in the embodiment of the present invention, and is connected to the scan line 10 through the second line segment 31b, so that the electrical connection between the scan line 10 and the shift register 20 is realized.
In another embodiment, fig. 5 is a schematic partial view of another display panel according to an embodiment of the present invention, only one corner area of the display panel is shown in fig. 5, and for clarity, the pixel circuits and the scan lines in the display area AA are not shown in fig. 5. As shown in fig. 5, the display area AA has a first edge B1 and a second edge B2 connected to both ends of the curved corner G, respectively; the non-display area NA includes a first non-display area NA1 adjacent to the first edge B1 and a second non-display area NA2 adjacent to the second edge B2; the first non-display area NA1 is located at one side of the display area AA in the first direction x, and at least part of the shift register 20 is located in the first non-display area NA1; the second non-display area NA2 is located at one side of the display area AA in the third direction y. In fig. 5, it is shown that the first edge B1 and the second edge B2 are both straight edges. Wherein at least two first connection lines 31 are arranged along the third direction y; and the length of the first line segment 31a in the first connection line 31 gradually decreases in a direction approaching the second non-display area NA 2. This embodiment can realize the step-like wiring of the plurality of first connecting lines 31, can ensure that adjacent first connecting lines 31 do not cross each other, and can realize the arrangement of the first line segments 31a and the second line segments 31b on the same layer, thereby reducing the number of film layers occupied by the first connecting lines 31. The first line segment 31a and the second line segment 31b with different extending directions can be directly contacted and connected without increasing punching process, and the manufacturing process of the first connecting line 31 can be simplified. In addition, the first connecting lines 31 are routed in a stepwise manner, so that the lengths of the first connecting lines 31 are gradually changed, and the display effect can be prevented from being affected by abrupt changes in the load on the corresponding scanning lines.
In another embodiment, fig. 6 is a schematic view of a portion of another display panel according to an embodiment of the present invention, and as shown in fig. 6, the first connection line 31 includes a first sub-connection line 31-1 and a second sub-connection line 31-2; in the third direction y, the first line segment 31a of the first sub-connection line 31-1 is located at a side of the first line segment 31a of the second sub-connection line 31-2 away from the second non-display area NA 2. The point where the first line segment 31a and the second line segment 31b are connected is a connection inflection point D of the first connection line 31. As can be seen from fig. 6, in the first direction x, the distance of the connection inflection point D of the first sub-link 31-1 from the first non-display area NA1 is smaller than the distance of the connection inflection point D of the second sub-link 31-2 from the first non-display area NA1. That is, the connection inflection point D of the first sub-connection line 31-1 is closer to the first non-display area NA1 than the second sub-connection line 31-2. Since the extending directions of the first line segment 31a and the second line segment 31b in the first connecting line 31 are different, there may be a crossover between the second line segment 31b of the first sub-connecting line 31-1 and the first line segment 31a of the second sub-connecting line 31-2. In this embodiment, the first line segment 31a and the second line segment 31b may be disposed on different layers, and the first line segment 31a and the second line segment 31b are connected by a via penetrating through an insulating layer between the two, so as to ensure an insulating intersection between the second line segment 31b of the first sub-connection line 31-1 and the first line segment 31a of the second sub-connection line 31-2. As shown in fig. 2, the second non-display area NA2 may be considered as a lower frame area of the display panel, and the first line segment 31a of the first sub-connection line 31-1 is located on a side of the first line segment 31a of the second sub-connection line 31-2 away from the second non-display area NA2, so that the shift register 20 connected to the first sub-connection line 31-1 is further away from the second non-display area NA2, and the scan line connected to the first sub-connection line 31-1 is longer. In the embodiment of the invention, the distance between the connection inflection point D of the first sub-connection line 31-1 and the first non-display area NA1 is smaller than the distance between the connection inflection point D of the second sub-connection line 31-2 and the first non-display area NA1, which is beneficial to increasing the length of the second sub-connection line 31-2, so that the load difference on the scan lines respectively connected with the first sub-connection line 31-1 and the second sub-connection line 31-2 can be balanced, and the uniformity of display is beneficial to being ensured.
In some embodiments, as shown in fig. 6, the plurality of first connection lines 31 are arranged in the third direction y, and the connection inflection point D of the first connection line 31 becomes gradually larger in the first direction x from the first non-display area NA1 in a direction approaching the second display area NA 2. This can balance the load differences on the individual scan lines at the lower frame positions.
In another embodiment, fig. 7 is a schematic partial view of another display panel according to an embodiment of the present invention, as shown in fig. 7, a first sub-connection line 31-1 and a second sub-connection line 31-2 are adjacent and form a connection line pair 30Z, and at least two connection line pairs 30Z are arranged in a third direction y; for two adjacent pairs of connection lines 30Z, one is the first pair of connection lines 3Z1 and the other is the second pair of connection lines 3Z2, the first sub-connection line 31-1 in the first pair of connection lines 3Z1 is adjacent to the second sub-connection line 31-2 in the second pair of connection lines 3Z 1. In the first direction x, the distance between the connection inflection point D of the first sub-connection line 31-1 in the first connection line pair 3Z1 and the first non-display area NA1 is a first distance, the distance between the connection inflection point D of the second sub-connection line 31-2 in the second connection line pair 3Z2 and the first non-display area NA1 is a second distance, and the first distance is smaller than the second distance. That is, the plurality of first connection lines 31 are arranged in the third direction y, and the connection inflection points D of the plurality of first connection lines 31 are alternately disposed at a large distance and a small distance from the first non-display area NA1 regularly. This arrangement can ensure that the difference in length between the first lines 31 is not large, so that the difference in load on the scan lines corresponding to them is not excessive, and the display effect can be prevented from being affected by abrupt change in load on the corresponding scan lines.
In the embodiment of fig. 7, the first line segment 31a and the second line segment 31b may be disposed in different layers to ensure that adjacent first connection lines 31 cross each other to be insulated from each other.
In some embodiments, as shown in fig. 5, the connection line 30 further includes a second connection line 32 extending in the first direction x; in the third direction y, the second connection line 32 is located at a side of the first connection line 31 remote from the second non-display area NA. In the embodiment of the invention, the shift registers 20 in the corner non-display area NAG are arranged in accordance with the outline shape of the arc-shaped corner G, so that there is a dislocation between the shift registers 20 in the corner non-display area NAG and the corresponding pixel circuit rows, the dislocation distance between the shift registers 20 and the corresponding pixel circuit rows is relatively smaller at the position close to the first non-display area NA1, and the dislocation distance between the shift registers 20 and the corresponding pixel circuit rows is relatively larger at the position far from the first non-display area NA1. That is, the misalignment distance between the shift register 20 and the pixel circuit row corresponding thereto increases as the distance from the first non-display area NA1 increases. The second connection line 32 drawn from the output terminal of the shift register 20 at a position near the first non-display area NA1 can be extended to the display area AA to overlap the corresponding scan line 10, and thus the second connection line 32 can be electrically connected to the scan line 10 through the via hole of the insulating layer at the overlapping position without being disposed in a zigzag shape. In the embodiment of the invention, the line shape of the connecting line 30 is reasonably designed according to the dislocation condition of the shift register 20 and the corresponding pixel circuit row, so that the length of the line can be prevented from being increased due to excessive winding of the connecting line 30 in the display area AA. The influence on the load of the scanning line 10 can be reduced, and the arrangement of other circuit structures can be prevented from being influenced by the fact that the connecting line 30 occupies too much space in the display area AA.
In some embodiments, as shown in fig. 5, for adjacent first and second connection lines 31, 32: the second connection line 32 has a length smaller than that of the first connection line 31. The second connection line 32 adjacent to the first connection line 31 is one of all the second connection lines 32 closest to the first connection line 31. The second connection line 32 is located at a side of the first connection line 31 remote from the second non-display area NA2, and as will be understood in conjunction with fig. 2, the length of the scan line connected to the second connection line 32 is greater than the length of the scan line connected to the first connection line 31. The adjacent first connecting line 31 and second connecting line 32 are the junction positions of the two connecting lines, and in this embodiment, the length of the second connecting line 32 at the junction position is smaller than that of the first connecting line 31, so that the complex difference between the first connecting line 31 and the second connecting line 32 at the junction position and the scanning lines connected with the first connecting line 31 and the second connecting line 32 respectively can be ensured to be smaller, and the influence on the display effect caused by the abrupt change of the load on the corresponding scanning lines can be avoided.
In some embodiments, as shown in fig. 5, the display panel includes at least two second connection lines 32; in the third direction y and in a direction away from the second non-display area NA2, the length of the second connection line 32 gradually decreases. In this embodiment, the length of the continuously arranged second connection lines 32 is designed to gradually change, so that the load difference between the scan lines corresponding to the continuously arranged second connection lines 32 gradually changes, and the display effect is prevented from being affected by the abrupt change of the load on the corresponding scan lines.
In other embodiments, the display panel includes at least two second connection lines 32, and the second connection lines 32 have equal lengths, which are not illustrated in the drawings.
In one embodiment, the display panel provided by the embodiment of the invention is a liquid crystal display panel, and only one shift driving circuit is required to be arranged in the non-display area NA of the display panel. By adopting the design of the embodiment of the invention at the corner position where the shift register is arranged, the width of the corner non-display area can be reduced,
in another embodiment, the display panel provided by the embodiment of the invention is an organic light emitting display panel, and a light emitting shift register and a scanning shift register are disposed in the display panel. Fig. 8 is a schematic diagram of a portion of another display panel according to an embodiment of the present invention, as shown in fig. 8, scan lines in a display area AA include gate scan lines (not shown in fig. 8) and light emission control lines (not shown in fig. 8), shift registers in a non-display area NA include gate shift registers 21 and light emission shift registers 22, a plurality of gate shift registers 21 are cascade-connected, and a plurality of light emission shift registers 22 are cascade-connected. The gate shift register 21 is connected to the gate scanning line, and the light emission shift register 22 is connected to the light emission control line. A gate shift register 21 and a light emission shift register 22 are provided in the corner non-display area NAG, the gate shift register 21 being shown on the side of the light emission shift register 22 near the display area AA in fig. 8. The connection lines 30 include a first type connection line 30A and a second type connection line 30B, the first type connection line 30A connecting the output terminal of the gate shift register 21 and the gate scan line, and the second type connection line 30B connecting the output terminal of the light emission shift register 22 and the light emission control line. In this embodiment, there is no need to provide an oblique pull line connected between the gate shift register 21 and the gate scan line in the corner non-display area NAG, nor an oblique pull line connected between the light emission shift register 22 and the light emission control line, and wiring in the corner non-display area NAG can be reduced, reducing the frame width of the corner non-display area NAG.
The wiring manner of the connection lines 30 in the above embodiments can be applied to the wiring designs of the first type connection lines 30A and the second type connection lines 30B.
In some embodiments, the gate shift register 21 and the light emitting shift register 22 are disposed in the corner non-display area NAG, and one of the gate shift register 21 and the light emitting shift register 22 is connected to the corresponding scan line through the connection line 30, so that the frame width of the corner non-display area NAG can be reduced to some extent.
In the above embodiments, the types and wiring manners of the intermediate connection lines 30 of the display panel are exemplified. It will be appreciated that the connection lines 30 extend from the corner non-display area NAG to the display area AA and then connect to the scan lines 10 in the display area AA, and that the connection lines 30 and the scan lines 10 are located in different layers, which are connected by vias penetrating the insulating layer.
In some embodiments, the display panel includes a substrate and a data line located at one side of the substrate of the scan line; wherein at least part of the connection lines are positioned on one side of the data lines away from the substrate. Fig. 9 is a schematic cross-sectional view of another display panel according to an embodiment of the present invention, where, as shown in fig. 9, the display panel includes a substrate 010, a semiconductor layer 020 located on one side of the substrate 010, a first metal layer 030, a capacitance metal layer 040, a second metal layer 050, a third metal layer 060 and a fourth metal layer 070. Both the shift register 20 in the corner non-display area NAG and the pixel circuit 40 in the display area AA comprise a transistor T, wherein the active layer of the transistor T is located in the semiconductor layer 020. The display panel at least comprises signal lines such as a scanning line 10, a data line, a reset signal line, a power signal line and the like. Wherein the scan line 10 is located in the first metal layer 030, and the scan line may include a gate scan line and a light emission control line; the reset signal line is located on the capacitor metal layer 040, the power signal line is located on the second metal layer 050, the data line is located on the third metal layer 060, and the connecting line 30 is located on the fourth metal layer 070. In fig. 9, only the shift register 20 and the pixel circuit 40 are schematically illustrated, and the pixel circuit 40 further includes a storage capacitor Cst, one of the plates of which is located in the first metal layer 030, and the other plate of which is located in the capacitor metal layer 040. Fig. 9 schematically illustrates the scan lines 10 and the connection lines 30 in the display panel, with a plurality of insulating layers spaced between the connection lines 30 and the scan lines 10. In the embodiment of the present invention, the connection electrode 55 located on the third metal layer 060 is provided, the connection wire 30 is electrically connected with the connection electrode 55 through a via hole on the insulation layer, and the connection electrode 55 is electrically connected with the scan line 10 through a via hole on the insulation layer, so that the electrical connection between the connection wire 30 and the scan line 10 is realized. The arrangement of the connection electrode 55 can reduce the depth of the via hole on the insulating layer, and ensure the performance reliability of the electrical connection between the connection line 30 and the scan line 10.
In some embodiments, all of the connection lines 30 in the display panel are located in the fourth metal layer 070. In the embodiment including the first connection line 31, the first line segment 31a and the second line segment 31b in the first connection line 31 are both located in the fourth metal layer 070.
In some embodiments, a portion of the connection lines 30 in the display panel are located in the fourth metal layer 070, such as in embodiments including the first connection lines 31, one of the first and second line segments 31a, 31b is located in the fourth metal layer 070. Optionally, the first line segment 31a is located in the fourth metal layer 070, the second line segment 31b is located in the third metal layer 060, or the second line segment 31b is located in a metal layer of the fourth metal layer 070 on a side far from the substrate 010.
In the embodiment of the present invention, at least a part of the connection lines 30 are disposed on a side of the data lines away from the substrate, and the wiring of the connection lines 30 does not affect the original wiring manner of the signal lines in the display area AA.
Based on the same inventive concept, an embodiment of the present invention further provides a display device, and fig. 10 is a schematic diagram of the display device provided by the embodiment of the present invention, and as shown in fig. 10, the display device includes a display panel 100 provided by any embodiment of the present invention. The structure of the display panel is already described in the above embodiments, and will not be described in detail here. The display device provided by the embodiment of the invention can be an electronic device such as a mobile phone, a computer, a television, a tablet, intelligent wearable equipment and the like.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the invention.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (10)
1. A display panel, wherein the display panel comprises a display area and a non-display area; the display area has an arcuate corner, and the non-display area includes a corner non-display area adjacent to the arcuate corner;
the display area comprises a plurality of scanning lines extending along a first direction; the non-display area comprises a plurality of shift registers, and the output ends of the shift registers are coupled with the scanning lines;
the display panel includes a connection line extending from the corner non-display region to the display region; one end of the connecting line is connected with the output end of the shift register positioned in the corner non-display area, and the other end of the connecting line is connected with the scanning line;
the connecting line is led out from the output end of the shift register in the corner non-display area, directly extends to the display area and then is connected with the corresponding scanning line; the connecting lines and the scanning lines are positioned on different layers;
the connecting wire comprises a first connecting wire, the first connecting wire comprises a first line segment and a second line segment which are connected with each other, the first line segment extends along the first direction, the second line segment extends along the second direction, and the second direction is intersected with the first direction; the first line segment is connected with the output end of the shift register, and the second line segment is connected with the scanning line;
the display area is provided with a first edge and a second edge, and the first edge and the second edge are respectively connected with two ends of the arc corner; the non-display area includes a first non-display area adjacent to the first edge and a second non-display area adjacent to the second edge; the first non-display area is positioned at one side of the display area in the first direction, and at least part of the shift register is positioned in the first non-display area; the second non-display area is positioned at one side of the display area in a third direction, and the third direction is intersected with the first direction;
at least two first connecting lines are arranged along the third direction, and the lengths of the first line segments in the first connecting lines gradually decrease along the direction approaching the second non-display area; or the first connecting line comprises a first sub-connecting line and a second sub-connecting line, and in the third direction, the first line segment in the first sub-connecting line is positioned at one side of the first line segment in the second sub-connecting line, which is far away from the second non-display area; the connecting inflection point of the first connecting line is the connecting locus of the first line segment and the second line segment, and in the first direction, the distance between the connecting inflection point of the first sub-connecting line and the first non-display area is smaller than that between the connecting inflection point of the second sub-connecting line and the first non-display area.
2. The display panel of claim 1, wherein the display panel comprises,
the length of the first line segment in the first connecting line gradually decreases along the direction approaching the second non-display area, and the first line segment and the second line segment are positioned on the same layer.
3. The display panel of claim 1, wherein the display panel comprises,
the first sub-connecting wire and the second sub-connecting wire are adjacent and form a connecting wire pair, and at least two connecting wire pairs are arranged in the third direction;
one of the two adjacent connection line pairs is a first connection line pair, the other is a second connection line pair, and the first sub-connection line in the first connection line pair is adjacent to the second sub-connection line in the second connection line pair;
in the first direction, the distance between the connecting turning point of the first sub-connecting line in the first connecting line pair and the first non-display area is a first distance, the distance between the connecting turning point of the second sub-connecting line in the second connecting line pair and the first non-display area is a second distance, and the first distance is smaller than the second distance.
4. The display panel of claim 1, wherein the display panel comprises,
the first connecting line comprises the first sub-connecting line and the second sub-connecting line, and the first line segment and the second line segment are positioned on different layers.
5. The display panel of claim 1, wherein the display panel comprises,
the connection line further includes a second connection line extending along the first direction;
in the third direction, the second connection line is located at a side of the first connection line away from the second non-display area.
6. The display panel of claim 5, wherein the display panel comprises,
for adjacent said second connection line and said first connection line: the length of the second connecting wire is smaller than that of the first connecting wire.
7. The display panel of claim 6, wherein the display panel comprises,
the display panel comprises at least two second connecting lines; the length of the second connecting line gradually decreases in the third direction and in a direction away from the second non-display area.
8. The display panel of claim 1, wherein the display panel comprises,
the display panel comprises a substrate and a data line, wherein the data line is positioned on one side of the substrate of the scanning line; wherein at least part of the connecting lines are positioned on one side of the data lines, which is far away from the substrate.
9. The display panel according to claim 1, wherein the shift registers located in the corner non-display area are arranged along an extending direction of the arc-shaped corner.
10. A display device comprising the display panel according to any one of claims 1 to 9.
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