Display panel and display device

Abstract

The invention provides a display panel and a display device. The display panel comprises a substrate, a plurality of first bonding pads, a plurality of pins and side wires. The substrate comprises a first surface and a second surface which are opposite. The first bonding pad is located on the side where the first surface of the substrate is located. The pins are located on the side where the second surface of the substrate is located. The pin is electrically connected with the first bonding pad; the plurality of pins are arranged along a first direction, and the first direction is parallel to a plane where the substrate is located. The side wiring comprises a first end and a second end, the first end is electrically connected with the first bonding pad, and the second end is electrically connected with the pin. Wherein at least part of the pins comprise first parts and second parts, the second parts are located on the sides, away from the side edge wires, of the first parts, and the width of the second parts in the first direction is larger than that of the first parts in the first direction. According to the invention, the connection between the second part and the test probe is relatively low in difficulty, the precision requirement on the insertion position of the test probe is relatively low, and the realization difficulty of the electrical property detection process is reduced.

Description

Technical Field

[0001] The present application relates to the field of display technology, and in particular to a display panel and a display device. Background Art

[0002] With the continuous development of display technology, how to reduce the area of ​​the border area of ​​the display panel has gradually become a key research issue. In response to the above problem, a borderless panel design scheme has emerged. This design scheme mainly extends the signal line on the front of the display panel to the back by setting a transition line on the side of the panel, and connects the signal line with the circuit board (such as a chip, a flexible circuit board, etc.) on the back, thereby reducing the area of ​​the border area on the front of the display panel.

[0003] However, due to the limited technological level, the wiring density on the back of the display panel is usually high and the wiring width is small, which brings difficulties to the relevant electrical testing process of the display panel. Summary of the invention

[0004] In view of this, the present application provides a display panel and a display device to solve the above-mentioned problem of difficulty in electrical testing.

[0005] In a first aspect, the present application provides a display panel, comprising a substrate, a plurality of first pads, a plurality of pins and a side trace. The substrate comprises a first surface and a second surface opposite to each other. The first pad is located on the side where the first surface of the substrate is located. The pin is located on the side where the second surface of the substrate is located. The pin is electrically connected to the first pad; the plurality of pins are arranged along a first direction and the first direction is parallel to the plane where the substrate is located. The side trace comprises a first end and a second end, the first end is electrically connected to the first pad and the second end is electrically connected to the pin.

[0006] At least part of the pins include a first part and a second part, the second part is located on a side of the first part away from the side wiring and the width of the second part along the first direction is greater than the width of the first part along the first direction.

[0007] In a second aspect, based on the same inventive concept, the present application provides a display device, comprising a display panel provided in the first aspect.

[0008] In the present application, the second part can be used to electrically connect with the above-mentioned test probe, and the above-mentioned needle insertion position is located on the second part. Since the width of the second part is greater than the width of the first part, compared with connecting the first part with the test probe, the implementation difficulty of setting the second part to connect with the test probe in the present application is lower, and the precision requirement for the needle insertion position of the test probe is lower, which reduces the implementation difficulty of the electrical detection process. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0010] Figure 1 is a schematic diagram of a partial structure of a display panel related to the present application;

[0011] Figure 2 for Figure 1 A bottom view schematically showing a partial structure of a display panel;

[0012] Figure 3 A schematic diagram of a partial structure of a display panel provided in the present application;

[0013] Figure 4 for Figure 3 A bottom view schematically showing a partial structure of a display panel;

[0014] Figure 5 for Figure 3 A schematic cross-sectional view of a partial structure of a display panel along a first section line AA' is shown;

[0015] Figure 6 for Figure 3 Another cross-sectional schematic diagram of a partial structure of the display panel along the first section line AA' is shown;

[0016] Figure 7 A bottom view schematic diagram of a partial structure of a display panel provided in the present application;

[0017] Figure 8 A bottom view schematic diagram of a partial structure of a display panel provided in the present application;

[0018] Fig. 9 A bottom view schematic diagram of a partial structure of a display panel provided in the present application;

[0019] Fig.10 A bottom view schematic diagram of a partial structure of a display panel provided in the present application;

[0020] Fig.11 A bottom view schematic diagram of a partial structure of a display panel provided in the present application;

[0021] Fig.12 A bottom view schematic diagram of a partial structure of a display panel provided in the present application;

[0022] Fig.13 A bottom view schematic diagram of a partial structure of a display panel provided in the present application;

[0023] Fig.14 A bottom view schematic diagram of a partial structure of a display panel provided in the present application;

[0024] Fig.15 A bottom view schematic diagram of a partial structure of a display panel provided in the present application;

[0025] Fig.16 A bottom view schematic diagram of a partial structure of a display panel provided in the present application;

[0026] Fig.17 A bottom view schematic diagram of a partial structure of a display panel provided in the present application;

[0027] Fig.18 A bottom view schematic diagram of a partial structure of a display panel provided in the present application;

[0028] Fig.19 A bottom view schematic diagram of a partial structure of a display panel provided in the present application;

[0029] Fig. 20 A bottom view schematic diagram of a partial structure of a display panel provided in the present application;

[0030] Fig.21 A schematic diagram of a display device provided in the present application. DETAILED DESCRIPTION

[0031] In order to better understand the technical solution of the present application, the embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0032] It should be clear that the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0033] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. The singular forms "a", "said" and "the" used in the embodiments of the present application and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings.

[0034] It should be understood that the term "and / or" used in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0035] It is obvious to those skilled in the art that various modifications and changes can be made in the present application without departing from the spirit or scope of the present application. Therefore, the present application is intended to cover modifications and changes of the present application that fall within the scope of the corresponding claims (technical solutions for protection) and their equivalents. It should be noted that the implementation methods provided in the embodiments of the present application can be combined with each other without contradiction.

[0036] Figure 1 is a schematic diagram of a partial structure of a display panel related to the present application, Figure 2 for Figure 1 A bottom view schematically shows a partial structure of a display panel.

[0037] In order to reduce the border area of ​​the display panel, a design scheme of a borderless display panel 10' has been proposed in the related art. Figure 1 and Figure 2 , the borderless display panel 10' includes a substrate 01' and a signal line 02'. The substrate 01' includes a first surface 01a' and a second surface 01b' that are opposite to each other, and a third surface 01c' that is connected to the first surface 01a' and the second surface 01b'. The signal line 02' is located on the first surface 01a' of the substrate 01', and the signal line 02' can transmit an electrical signal to a partial structure 03' (such as a pixel circuit, a light-emitting device, etc.) in the borderless display panel 10'. The signal line 02' is electrically connected to the pin 05' located on the second surface 01b' through the side trace 04' located on the third surface 01c', wherein the signal line 02' can be electrically connected to the side trace 04' through the first sub-pad 061'.

[0038] like Figure 2 As shown, the pin 05' includes a connecting portion 051', which can be connected to a circuit board (such as a chip, a flexible circuit board, etc.), and receive an electrical signal provided by the circuit board, and then transmit the electrical signal to the signal line 02'. In addition, the connecting portion 051' can also participate in the electrical detection process. During the electrical detection process, the connecting portion 051' can be connected to a test probe, and the test probe can transmit an electrical signal to the connecting portion 051' to achieve the connection integrity of the path (the connection path composed of the pin 05', the side wiring 04', and the signal line 02') and the working state of the partial structure 03' (such as the pixel circuit, the light-emitting device, etc.) of the borderless display panel 10'.

[0039] However, due to the limited current technology, the arrangement of the pins 05' is relatively dense, especially the spacing between the continuous parts 051' corresponding to different pins 05' is relatively small, and the width of the continuous part 051' is also relatively small. This results in a relatively small spacing between the needle insertion positions corresponding to the adjacent continuous parts 051', which increases the difficulty of implementing the above-mentioned electrical detection process and also increases the accuracy requirements for the needle insertion position of the above-mentioned test probe; the above-mentioned needle insertion position refers to the connection position between the test probe and the continuous part 051'.

[0040] Figure 3 A schematic diagram of a partial structure of a display panel provided in the present application, Figure 4 for Figure 3 A bottom view schematically shows a partial structure of a display panel.

[0041] In view of the above problems, the present application provides a display panel 10, Figure 3 and Figure 4 The display panel 10 includes a substrate 01 , a plurality of first pads 02 and a plurality of pins 03 .

[0042] The substrate 01 includes a first surface 01 a and a second surface 01 b that are opposite to each other. The first surface 01 a and the second surface 01 b may be connected via a third surface 01 c.

[0043] The first pad 02 is located on the side of the first surface 01a of the substrate 01. The first pad 02 can receive an electrical signal and transmit the received electrical signal to a partial structure 05 (eg, pixel circuit, light emitting device, etc.) of the display panel 10 through a signal line 04 located on the first surface 01a.

[0044] The pin 03 is located on the side where the second surface 01b of the substrate 01 is located, and the pin 03 is electrically connected to the first pad 02. The pin 03 can receive an electrical signal provided by the circuit board (connected to the display panel 10), and the electrical signal can be transmitted to the first pad 02, and then transmitted to the above-mentioned partial structure 05. The plurality of pins 03 are arranged along the first direction X, and the first direction X is parallel to the plane where the substrate 01 is located.

[0045] The display panel 10 further includes a side trace 06 , which may be located on one side of the third surface 01 c . The side trace 06 includes a first end 06 a and a second end 06 b , wherein the first end 06 a is electrically connected to the first pad 02 and the second end 06 b is electrically connected to the pin 03 .

[0046] Among them, Figure 4As shown, at least part of the pins 03 include a first portion 031 and a second portion 032 , the second portion 032 is located on a side of the first portion 031 away from the side trace 06 , and a width w2 of the second portion 032 along the first direction X is greater than a width w1 of the first portion 031 along the first direction X.

[0047] In the embodiment of the present application, the second portion 032 can be used to electrically connect with the above-mentioned test probe, and the above-mentioned needle insertion position is located on the second portion 032. Since the width of the second portion 032 is greater than the width of the first portion 031, compared with connecting the first portion 031 with the test probe, the connection between the second portion 032 and the test probe in this embodiment is less difficult to implement, and the precision requirement for the needle insertion position of the test probe is lower, thereby reducing the difficulty of implementing the above-mentioned electrical property detection process.

[0048] Figure 5 for Figure 3 The schematic cross-sectional view of a partial structure of the display panel along the first section line AA′ is shown.

[0049] In one possible implementation, combining Figure 3 and Figure 5 The second end 06b and the pin 03 can be an integral structure.

[0050] Figure 6 for Figure 3 Another cross-sectional schematic diagram of a partial structure of the display panel along the first section line AA′ is shown.

[0051] In one possible implementation, combining Figure 3 and Figure 6 The second end 06b can be electrically connected to the pin 03 through the transfer pad m, and the transfer pad m can be located on the second surface 01b.

[0052] In a possible implementation, the shape of the orthographic projection of the second portion 032 on the substrate 01 may be at least one of a circle, a rectangle, a triangle, etc. It should be noted that the drawings of the present application only reflect the case where the orthographic projection of the second portion 032 is a circle, but it does not mean that the solution provided by the present application is limited to the case where the orthographic projection of the second portion 032 is a circle.

[0053] Figure 7 This is a bottom view schematic diagram of a partial structure of a display panel provided in the present application.

[0054] In one embodiment of the present application, Figure 7 As shown, all pins 03 include a first portion 031 and a second portion 032 .

[0055] In the embodiment of the present application, since all pins 03 have the second part 032, it means that all pins 03 can participate in the above-mentioned electrical detection process, and the second part 032 with a larger width can be connected to the test probe. Therefore, when it is necessary to perform electrical detection on the display panel provided by the present embodiment, needle detection can be performed on any pin 03. Compared with the case where only some pins 03 have the second part 032, it is not necessary to determine the detection position in advance according to the distribution position of specific pins 03 (pins with the second part 032), which helps to improve the accuracy of the detection result.

[0056] Figure 8 This is a bottom view schematic diagram of a partial structure of a display panel provided in the present application.

[0057] In one embodiment of the present application, Figure 8 As shown, the plurality of pins 03 include a first type pin 03 a and a second type pin 03 b , and both the first type pin 03 a and the second type pin 03 b include a first portion 031 and a second portion 032 .

[0058] The spacing between the second portion 032 of the first type pin 03a and the surface of the display panel 10 where the side trace 06 is located is d1, and the spacing between the second portion 032 of the second type pin 03b and the surface of the display panel 10 where the side trace 06 is located is d2, and d1>d2. Relative to the second portion 032 of the second type pin 03b, the second portion 032 of the first type pin 03a is farther away from the third surface 01c where the side surface trace 06 is located. It can be understood that the surface of the display panel 10 can also be understood as the side edge of the display panel 10, and the spacing between the second portion 032 of the second type pin 03b and the surface of the display panel 10 where the side trace 06 is located can be understood as the distance from the second type pin 03b to the side edge of the display panel 10 where the side trace 06 is located.

[0059] In the embodiment of the present application, for two adjacent pins 03 both having the second part 032, since the width of the second part 032 is relatively large and considering the limited spacing between adjacent pins 03, it is relatively difficult to set the second part 032. The solution of this embodiment can arrange the second parts 032 corresponding to the two adjacent pins 03 in a staggered manner in the first direction X, weakening the limitation of the spacing between adjacent pins 03 on the difficulty of setting the second part 032, which helps to improve the rationality of the arrangement of the pins 03.

[0060] Fig. 9 This is a bottom view schematic diagram of a partial structure of a display panel provided in the present application. Fig.10 This is a bottom view schematic diagram of a partial structure of a display panel provided in the present application.

[0061] In one embodiment of the present application, Figure 8 , Fig. 9 and Fig.10 Along the first direction X, there is at least one second type pin 03b between adjacent first type pins 03a, and / or there is at least one first type pin 03a between adjacent second type pins 03b.

[0062] In one possible implementation, Figure 8 As shown, a plurality of second type pins 03b may be included between adjacent first type pins 03a along the first direction X. In this implementation, the more the number of second type pins 03b located between adjacent first type pins 03a is, the larger the spacing between the second parts 032 corresponding to the adjacent first type pins 03a is, and when the second parts 032 of the adjacent first type pins 03a are all subjected to the needle test, the corresponding needle positions are farther apart, which helps to reduce the difficulty of electrical detection.

[0063] In one possible implementation, Fig. 9 As shown, a plurality of first type pins 03a may be included between adjacent second type pins 03b along the first direction X. In this implementation, the more first type pins 03a there are between adjacent second type pins 03b, the larger the spacing between the second parts 032 respectively corresponding to the adjacent second type pins 03b, and when the second parts 032 of the adjacent second type pins 03b are all subjected to acupuncture tests, the corresponding acupuncture positions are farther apart, which helps to reduce the difficulty of electrical detection.

[0064] In one possible implementation, Fig.10 As shown, there are multiple second type pins 03b between adjacent first type pins 03a, and there are multiple first type pins 03a between adjacent second type pins 03b. The arrangement scheme of this implementation helps to increase the spacing between some acupuncture positions and helps to reduce the difficulty of electrical detection.

[0065] Fig.11 This is a bottom view schematic diagram of a partial structure of a display panel provided in the present application.

[0066] In one embodiment of the present application, Fig.11 As shown, on the second surface 01 b , the first type pins 03 a and the second type pins 03 b are arranged alternately along the first direction X.

[0067] In the embodiment of the present application, the first type pins 03a and the second type pins 03b are alternately arranged along the first direction X, and the second parts 032 corresponding to the adjacent first type pins 03a and second type pins 03b can be staggered, which helps to reduce the difficulty of setting the second part 032 due to the spacing between adjacent pins 03.

[0068] Fig.12 This is a bottom view schematic diagram of a partial structure of a display panel provided in the present application.

[0069] In one embodiment of the present application, Fig.12 As shown, the first type pin 03 a further includes a third portion 033 , and the third portion 033 is located between the first portion 031 and the second portion 032 .

[0070] Along the first direction X, the third portion 033 overlaps at least a portion of the second portion 032 of the second type lead 03 b , and a width w3 of the third portion 033 is smaller than a width w1 of the first portion 031 .

[0071] In this embodiment, the setting manner in which the width of the third part 033 is smaller than the width of the first part 031 can be understood as reducing the width of the part of the first type pin 03a corresponding to the third part 033, thereby reserving space for accommodating the second part 032 of the second type pin 03b, thereby avoiding the situation in which the first type pin 03a contacts the second part 032 of the second type pin 03b.

[0072] Fig.13 This is a bottom view schematic diagram of a partial structure of a display panel provided in the present application.

[0073] In one embodiment of the present application, Fig.13 As shown, the first type pin 03 a further includes a fourth portion 034 , and the fourth portion 034 is located on a side of the second portion 032 close to the side trace 06 .

[0074] On the same first-type lead 03 a , a width w4 of the fourth portion 034 in the first direction X is greater than a width w1 of the first portion 031 in the first direction X.

[0075] When the extension length is fixed, the greater the width of the pin 03, the smaller the impedance corresponding to the pin 03. In the above embodiment, in order to leave space for the second part 032 to accommodate the second type pin 03b, a solution of reducing the width of the portion corresponding to the third part 033 on the first type pin 03a is selected. In order to offset the effect of the third part 033 on the impedance increase of the first type pin 03a, the fourth part 034 with a larger width is selected in this embodiment to reduce the impedance of the portion corresponding to the fourth part 034 on the first type pin 03a.

[0076] In one embodiment of the present application, Fig.13 As shown, the second portions 032 respectively corresponding to all the first type pins 03 a overlap along the first direction X.

[0077] The second portions 032 respectively corresponding to all the second type pins 03 b overlap along the first direction X.

[0078] In the embodiment of the present application, the design scheme in which the second parts 032 corresponding to the same type of pins 03 overlap along the first direction X is relatively easy to implement and helps to achieve a regular arrangement of the needle insertion positions, which is beneficial to reducing the difficulty of preparing the test probes.

[0079] Fig.14 This is a bottom view schematic diagram of a partial structure of a display panel provided in the present application.

[0080] In one embodiment of the present application, Fig.14 As shown, the plurality of pins 03 include N types of pins 03 , where N≥2; the N types of pins 03 all include a first portion 031 and a second portion 032 .

[0081] The N types of pins 03 include a first type pin 03a, a second type pin 03b, and a third type pin 03c. The spacing between the second portion 032 of the first type pin 03a and the surface of the display panel 10 where the side wiring 06 is located is d1, the spacing between the second portion 032 of the second type pin 03b and the surface of the display panel 10 where the side wiring 06 is located is d2, and the spacing between the second portion 032 of the third type pin 03c and the surface of the display panel 10 where the side wiring 06 is located is d3, d1>d2>d3.

[0082] In the embodiment of the present application, the setting manner of d1>d2>d3 can make the second part 032 of the first type pin 03a, the second part 032 of the second type pin 03b and the second part 032 of the third type pin 03c arranged in a staggered manner, thereby avoiding the second parts 032 corresponding to two adjacent pins 03 being close to each other in the first direction X, and preventing the adjacent second parts 032 from short-circuiting with each other.

[0083] Fig.15 This is a bottom view schematic diagram of a partial structure of a display panel provided in the present application.

[0084] In one embodiment of the present application, Fig.15 As shown, the first type pins 03a, the second type pins 03b and the third type pins 03c are arranged in sequence along the first direction X.

[0085] In the embodiment of the present application, different types of pins 03 can be arranged in sequence along the first direction X according to the rule of the first type of pins 03a, the second type of pins 03b, the third type of pins 03c and the first type of pins 03a, which means that there must be two other types of pins 03 between two adjacent pins 03 of the same type, that is, there are second parts 032 of the other two types of pins 03 between the second parts 032 respectively corresponding to the two adjacent pins 03 of the same type. Therefore, the setting method of this embodiment can ensure that the spacing between the second parts 032 respectively corresponding to the two adjacent pins 03 of the same type is large (sufficient to set the second parts 032 of the other two types of pins 03), which is conducive to reducing the difficulty of electrical detection.

[0086] Fig.16 This is a bottom view schematic diagram of a partial structure of a display panel provided in the present application.

[0087] In one embodiment of the present application, Fig.16 As shown, the first type pin 03a and the second type pin 03b also include a third portion 033. Along the first direction X, the third portion 033 of the first type pin 03a overlaps with the second portion 032 of the second type pin 03b, and the third portion 033 of the second type pin 03b overlaps with the second portion 032 of the third type pin 03c.

[0088] The width w3 of the third portion 033 is smaller than the width w1 of the first portion 031 in the same pin 03 .

[0089] The arrangement of the embodiment of the present application may include reducing the width of the portion of the first type pin 03a corresponding to the third portion 033, thereby reserving space for accommodating the second portion 032 of the second type pin 03b, which is beneficial for increasing the width of the second portion 032 as much as possible while avoiding contact between the first type pin 03a and the second portion 032 of the second type pin 03b. Similarly, the arrangement of the present embodiment may also include reducing the width of the portion of the second type pin 03b corresponding to the third portion 033, thereby reserving space for accommodating the second portion 032 of the third type pin 03c.

[0090] In one embodiment of the present application, Fig.16 As shown, the plurality of pins 03 are divided into a plurality of first pin groups 301 , and the first pin group 301 includes first type pins 03 a , second type pins 03 b and third type pins 03 c .

[0091] For pins 03 other than the third type pin 03c in the same first pin group 301, relative to the side of the first part 031 close to the third type pin 03c, the side of the third part 033 close to the third type pin 03c is farther away from the third type pin 03c and the side of the third part 033 away from the third type pin 03c is flush with the side of the first part 031 away from the third type pin 03c.

[0092] like Fig.16 As shown, in the same first pin group 301, for adjacent first type pins 03a and second type pins 03b, the spacing between the side of the first part 031 of the first type pin 03a close to the second type pin 03b and the first part 031 of the second type pin 03b is s1; the spacing between the side of the third part 033 of the first type pin 03a close to the second type pin 03b and the extension line of the first part 031 of the second type pin 03b (corresponding to the dotted line in the figure) is s2; wherein, s1<s2, the extension line of the first part 031 of the second type pin 03b refers to the extension schematic line of the side of the first part 031 of the second type pin 03b close to the first type pin 03a in the extension direction (of the first part 031). In addition, in the first type pin 03a, the side of the third part 033 away from the second type pin 03b can be flush with the side of the first part 031 away from the second type pin 03b. That is, this design method can be regarded as performing “single-side groove digging” on the first type pin 03 a to achieve the condition that the width of the third portion 033 is smaller.

[0093] Correspondingly, for the adjacent second type pin 03b and third type pin 03c, the spacing between the side of the first part 031 of the second type pin 03b close to the third type pin 03c and the first part 031 of the third type pin 03c is s3; the spacing between the side of the third part 033 of the second type pin 03b close to the third type pin 03c and the extension line of the first part 031 of the third type pin 03c (corresponding to the thin solid line in the figure) is s4; wherein, s3<s4, the extension line of the first part 031 of the third type pin 03c refers to the extension schematic line of the side of the first part 031 of the third type pin 03c close to the second type pin 03b in the extension direction (of the first part 031). In addition, in the second type pin 03b, the side of the third part 033 away from the third type pin 03c can be flush with the side of the first part 031 away from the third type pin 03c. That is, this design method can be regarded as performing “single-side groove” on the portion of the second type pin 03 b to achieve the condition that the width of the third portion 033 is smaller.

[0094] In the embodiment of the present application, by adopting the above-mentioned "single-side groove" design for both the first type pin 03a and the second type pin 03b, the width of the third part 033 can be reduced, and the width of the second part 032 can be increased as much as possible while avoiding the short circuit between adjacent second parts 032. In addition, compared with setting "grooves" on both sides of the pin 03, the "single-side groove" design in this embodiment is easier to implement, which helps to reduce the difficulty of preparation.

[0095] Fig.17 This is a bottom view schematic diagram of a partial structure of a display panel provided in the present application.

[0096] In one embodiment of the present application, Fig.17 As shown, the first type pin 03 a further includes a fifth portion 035 . Along the first direction X, the fifth portion 035 overlaps with the second portion 032 of the adjacent third type pin 03 a .

[0097] Among them, on the same first type pin 03 a , a width w5 of the fifth portion 035 in the first direction X is smaller than a width w1 of the first portion 031 in the first direction X.

[0098] The configuration method of the embodiment of the present application may include reducing the width of the portion of the first type pin 03a corresponding to the fifth portion 035, thereby reserving space for accommodating the second portion 032 of the third type pin 03c, which is beneficial for increasing the width of the second portion 032 as much as possible while avoiding contact between the first type pin 03a and the second portion 032 of the third type pin 03c.

[0099] In one embodiment of the present application, Fig.17 As shown, for the third type pin 03c and the first type pin 03a adjacent along the first direction X, relative to the side of the first part 031 of the first type pin 03a close to the third type pin 03c, the side of the fifth part 035 close to the third type pin 03c is farther away from the third type pin 03c and the side of the first part 031 of the first type pin 03a away from the third type pin 03c is flush with the side of the fifth part 035 away from the third type pin 03c.

[0100] For the adjacent third-type pin 03c and first-type pin 03a, the spacing between the side of the first part 031 of the first-type pin 03a close to the third-type pin 03c and the first part 031 of the third-type pin 03c is s5; the spacing between the side of the fifth part 035 of the first-type pin 03a close to the third-type pin 03c and the extension line of the first part 031 of the third-type pin 03c (corresponding to the dotted line in the figure) is s6; wherein, s5<s6, the extension line of the first part 031 of the third-type pin 03c refers to the extension schematic line of the side of the first part 031 of the third-type pin 03c close to the first-type pin 03a in the extension direction (of the first part 031). In addition, in the first-type pin 03a, the side of the fifth part 035 away from the second-type pin 03b can be flush with the side of the first part 031 away from the third-type pin 03c. That is, this design method can be regarded as "single-side groove" in the part of the first-type pin 03a to achieve the condition of a smaller width of the fifth part 035.

[0101] Fig.18 This is a bottom view schematic diagram of a partial structure of a display panel provided in the present application.

[0102] In one embodiment of the present application, Fig.18 As shown, the first intervals L1 respectively corresponding to any two second pin groups 302 are equal.

[0103] The second pin group 302 includes two adjacent pins 03 of the same type, and the first interval L1 is the interval in the first direction X between the second portions 032 respectively corresponding to the two pins 03 in the same second pin group 302 .

[0104] In the embodiment of the present application, by setting the distance between any two adjacent second pin groups 302 to a fixed value, it is helpful to achieve a regular arrangement of the pins 03, which in turn is helpful to achieve a regular arrangement of the acupuncture positions, and helps to reduce the difficulty of electrical detection.

[0105] Fig.19 This is a bottom view schematic diagram of a partial structure of a display panel provided in the present application.

[0106] In one embodiment of the present application, Fig.19 As shown, along the second direction Y, the spacing h1 between the second portion 032 of the first type pin 03a and the second portion 032 of the second type pin 03b is equal to the spacing h2 between the second portion 032 of the second type pin 03b and the second portion 032 of the third type pin 03c; the second direction Y intersects the first direction X.

[0107] In the embodiment of the present application, h1=h2, then the position of the second part 032 of the first type pin 03a and the position of the second part 032 of the third type pin 03c can be determined according to the position of the second part 032 of the first type pin 03a, which is helpful to achieve the regular arrangement of the second parts 032 of different types of pins 03. In particular, the second parts 032 corresponding to all pins 03 of the same type may overlap in the first direction X, and the arrangement of the pins 03 under this setting has obvious regularity, which is helpful to reduce the difficulty of preparing the pins 03.

[0108] Fig. 20 This is a bottom view schematic diagram of a partial structure of a display panel provided in the present application.

[0109] In one embodiment of the present application, Fig. 20 As shown, at least part of the pins 03 are divided into a plurality of third pin groups 303, the third pin group 303 includes the first type pins 03a, the second type pins 03b and the third type pins 03c, and the first arrangement rules corresponding to different third pin groups 303 are the same, and the first arrangement rule is the arrangement rule of different types of pins 03 in the third pin group 303 along the first direction X. For example, Fig.19 As shown, the first arrangement rule may include first type pins 03a, second type pins 03b, third type pins 03c, second type pins 03b, first type pins 03a, second type pins 03b, third type pins 03c, second type pins 03b, and first type pins 03a arranged in sequence along the first direction X.

[0110] In the same third pin group 303, the number of the first type pins 03a, the number of the second type pins 03b, and the number of the third type pins 03c are different. Fig.19 As shown, the same third pin group 303 may include three first type pins 03 a , four second type pins 03 b and two third type pins 03 c .

[0111] In the embodiment of the present application, the number of pins 03 in the third pin group 303 and the corresponding first arrangement rule are not fixed, so that the above features can be adjusted according to actual needs. In addition, the first arrangement rules corresponding to different third pin groups 303 are the same, which ensures the regularity of the arrangement of pins 03 to a certain extent.

[0112] Fig.21 A schematic diagram of a display device provided in the present application.

[0113] The present application provides a display device 20, such as Fig.21 As shown, the display device 20 includes the above-mentioned display panel 10. The display device 20 may be a spliced ​​display screen, and the display device 20 may include a plurality of mutually spliced ​​display panels 10. In addition, the display device 20 may also be an electronic device such as a computer or a television.

[0114] The difficulty of performing electrical detection on the pins 03 included in the display panel 10 in the display device 20 provided in the embodiment of the present application is reduced.

[0115] In this specification, the same or similar parts between the various embodiments can be referred to each other. In particular, for the device embodiment and the terminal embodiment, since they are basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the description in the method embodiment.

Claims

1. A display panel, characterized in that: include: A substrate including a first surface and a second surface opposite to each other; A plurality of first pads, located on a side of the substrate where the first surface is located; A plurality of pins are located on the side of the second surface of the substrate; the pins are electrically connected to the first pads; the plurality of pins are arranged along a first direction and the first direction is parallel to the plane where the substrate is located; A side trace, comprising a first end and a second end, wherein the first end is electrically connected to the first pad and the second end is electrically connected to the pin; At least part of the pins include a first portion and a second portion, the second portion is located on a side of the first portion away from the side routing and a width of the second portion along the first direction is greater than a width of the first portion along the first direction.

2. The display panel according to claim 1, characterized in that: All of the pins include the first part and the second part.

3. The display panel according to claim 1, characterized in that: The plurality of pins include a first type of pins and a second type of pins, and the first type of pins and the second type of pins both include the first part and the second part; The distance between the second part of the first type pin and the surface of the display panel where the side trace is located is d1, and the distance between the second part of the second type pin and the surface of the display panel where the side trace is located is d2, d1>d2.

4. The display panel according to claim 3, characterized in that: Along the first direction, there is at least one second-type pin between adjacent first-type pins, and / or there is at least one first-type pin between adjacent second-type pins.

5. The display panel according to claim 4, characterized in that: On the second surface, the first type pins and the second type pins are alternately arranged along the first direction.

6. The display panel according to claim 5, characterized in that: The first type pin further includes a third portion, the third portion being located between the first portion and the second portion; Along the first direction, the third portion overlaps at least a portion of the second portion of the second type pins, and a width of the third portion is smaller than a width of the first portion.

7. The display panel according to claim 6, characterized in that: The first type pin further includes a fourth portion, and the fourth portion is located on a side of the second portion close to the side trace; On the same first-type pin, the width of the fourth portion in the first direction is greater than the width of the first portion in the first direction.

8. The display panel according to claim 3, characterized in that: The second parts respectively corresponding to all the first type pins overlap along the first direction; The second portions respectively corresponding to all the second-type pins overlap along the first direction.

9. The display panel according to claim 1, characterized in that: The plurality of pins include N types of pins, N≥2; the N types of pins each include the first part and the second part; The N types of pins include a first type of pin, a second type of pin and a third type of pin; wherein the spacing between the second part of the first type of pin and the surface of the display panel where the side routing is located is d1, the spacing between the second part of the second type of pin and the surface of the display panel where the side routing is located is d2, and the spacing between the second part of the third type of pin and the surface of the display panel where the side routing is located is d3, d1>d2>d3.

10. The display panel according to claim 9, characterized in that: The first type pins, the second type pins and the third type pins are arranged in sequence along the first direction.

11. The display panel according to claim 10, characterized in that: The first type pin and the second type pin each further include a third portion, and along the first direction, the third portion of the first type pin overlaps with the second portion of the second type pin and the third portion of the second type pin overlaps with the second portion of the third type pin; Wherein, the width of the third portion is smaller than the width of the first portion in the same pin.

12. The display panel according to claim 11, characterized in that: The plurality of pins are divided into a plurality of first pin groups, wherein the first pin group includes the first type pins, the second type pins and the third type pins; For the pins other than the third type pins in the same first pin group, relative to the side of the first part close to the third type pin, the side of the third part close to the third type pin is farther away from the third type pin and the side of the third part away from the third type pin is flush with the side of the first part away from the third type pin.

13. The display panel according to claim 10, characterized in that: The first type pin further includes a fifth portion, and along the first direction, the fifth portion overlaps with the second portion of the adjacent third type pin; Among them, on the same first-type pin, the width of the fifth portion in the first direction is smaller than the width of the first portion in the first direction.

14. The display panel according to claim 13, characterized in that: For the third type pin and the first type pin adjacent to each other along the first direction, relative to the side of the first part of the first type pin close to the third type pin, the side of the fifth part close to the third type pin is farther away from the third type pin and the side of the first part of the first type pin away from the third type pin is flush with the side of the fifth part away from the third type pin.

15. The display panel according to claim 9, characterized in that: The first spacings respectively corresponding to any two second pin groups are equal; The second pin group includes two adjacent pins of the same type, and the first spacing is a spacing in the first direction between the second parts respectively corresponding to two pins in the same second pin group.

16. The display panel according to claim 9, characterized in that: Along a second direction, a distance between the second portion of the first type pin and the second portion of the second type pin is equal to a distance between the second portion of the second type pin and the second portion of the third type pin; the second direction intersects the first direction.

17. The display panel according to claim 9, characterized in that: At least part of the pins are divided into a plurality of third pin groups, the third pin groups include the first type pins, the second type pins and the third type pins, and the first arrangement rules respectively corresponding to different third pin groups are the same, and the first arrangement rule is the arrangement rule of the pins of different types in the third pin groups along the first direction; Among them, in the same third pin group, the number of the first type pins, the number of the second type pins, and the number of the third type pins are different.

18. A display device, characterized in that: Comprising a display panel as described in any one of claims 1-17.

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