Display panel and display device

Abstract

The application provides a display panel and a display device. The display panel comprises a first substrate and a second substrate arranged oppositely, and a liquid crystal layer between the first substrate and the second substrate; the first substrate comprises a first flat layer and a first support column, and the first support column is located on a side of the first flat layer close to the liquid crystal layer; the second substrate comprises a plurality of color film structures and a second flat layer, and the second flat layer is located on a side of the plurality of color film structures close to the liquid crystal layer; the second flat layer has a convex structure and a groove; the convex structure comprises a first convex structure and a second convex structure, and the extension direction of the first convex structure and the extension direction of the second convex structure intersect with each other; in the thickness direction of the display panel, the groove at least partially overlaps with the color film structure, and the first support column at least partially overlaps with the convex structure. The application can improve the liquid crystal cell thickness stability of the display panel, and solve the problem of insufficient liquid crystal caused by the reduction of the liquid crystal cell thickness.

Description

TECHNICAL FIELD

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

[0002] Liquid Crystal Display (LCD) is the most widely used display product in the market at present, and its production process technology is very mature, the product yield is high, the production cost is relatively low, and the market acceptance is high. Generally, the liquid crystal display panel is composed of a color film substrate, an array substrate, and liquid crystal and sealing frame glue sandwiched between the color film substrate and the array substrate. In the prior art, support columns are made on the color film substrate side, which are used to support the liquid crystal cell thickness between the color film substrate and the array substrate. When the array substrate and the color film substrate are laminated or the display panel bears external force, there is a risk that the support column slides into the opening on the array substrate side, which affects the amount of liquid crystal near the support column, and further causes display abnormalities. SUMMARY

[0003] The present application provides a display panel and a display device to solve the problem of the support column sliding into the opening on the array substrate side affecting the display.

[0004] The present application provides a display panel, which comprises a first substrate and a second substrate arranged oppositely, and a liquid crystal layer between the first substrate and the second substrate.

[0005] The first substrate comprises a first flat layer and a first support column, and the first support column is located on the side of the first flat layer close to the liquid crystal layer.

[0006] The second substrate comprises a plurality of color film structures and a second flat layer, and the second flat layer is located on the side of the plurality of color film structures close to the liquid crystal layer; the second flat layer has a protruding structure and a groove; the protruding structure comprises a first protruding structure and a second protruding structure, and the extension directions of the first protruding structure and the second protruding structure intersect each other.

[0007] Along the thickness direction of the display panel, the groove and the color film structure at least partially overlap, and the first support column and the protruding structure at least partially overlap.

[0008] Based on the same inventive concept, the present application also provides a display device comprising the display panel provided above.

[0009] The display panel and the display device provided by the embodiment of the present application have the following beneficial effects: the first flat layer and the first support column are made on the first substrate side, the color filter structure and the second flat layer are made on the second substrate side, and the second flat layer has the groove and the first protruding structure and the second protruding structure with the extending directions intersecting each other. The groove is arranged to at least partially overlap the color filter structure, the liquid crystal thickness at the position can be increased by using the groove, and the display panel can meet the requirement of the display on the liquid crystal cell thickness. In addition, the first support column made on the first substrate and the protruding structure on the second substrate are opposite to each other, can support the liquid crystal cell thickness, and improve the light leakage caused by the extrusion of the support column. When the display panel bears external force, the first protruding structure and the second protruding structure with the extending directions intersecting each other can be used as the guide rail for the sliding of the support column, and prevent the support column from scratching the alignment layer. Moreover, the first support column is made on the first substrate, when the display panel bears external force, the first support column does not have the risk of sliding into the first opening in the first flat layer on the first substrate, and the stability of the liquid crystal cell thickness of the display panel can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative labor.

[0011] Figure 1 A partial schematic view of a display panel in the related art;

[0012] Figure 2 A partial schematic view of a display panel in the related art; Figure 1 A cross-sectional view at the position of the tangent line A-A' in the related art;

[0013] Figure 3A A schematic view of a display panel provided by the embodiment of the present application;

[0014] Figure 3B A partial schematic view of a display panel in the related art; Figure 3A An enlarged view at the position of the region Q1 in the related art;

[0015] Figure 4 A partial schematic view of a display panel in the related art; Figure 3B A cross-sectional view at the position of the tangent line B-B' in the related art;

[0016] Figure 5 A schematic view of another display panel provided by the embodiment of the present application;

[0017] Figure 6 A schematic view of another display panel provided by the embodiment of the present application;

[0018] Figure 7Another display panel schematic diagram provided by an embodiment of the present application is shown in FIG. 6;

[0019] Figure 8 For Figure 7 A cross-sectional schematic diagram at a tangent C-C' position is shown in FIG. 4;

[0020] Figure 9 Another display panel schematic diagram provided by an embodiment of the present application is shown in FIG. 6;

[0021] Figure 10 For Figure 9 A cross-sectional schematic diagram at a tangent D-D' position is shown in FIG. 5;

[0022] Figure 11 For Figure 3B Another cross-sectional schematic diagram at a tangent B-B' position is shown in FIG. 3;

[0023] Figure 12 Another display panel schematic diagram provided by an embodiment of the present application is shown in FIG. 6;

[0024] Figure 13 For Figure 12 A cross-sectional schematic diagram at a tangent E-E' position is shown in FIG. 7;

[0025] Figure 14 Another display panel schematic diagram provided by an embodiment of the present application is shown in FIG. 6;

[0026] Figure 15 For Figure 14 A cross-sectional schematic diagram at a tangent F-F' position is shown in FIG. 8;

[0027] Figure 16 A display device schematic diagram provided by an embodiment of the present application is shown in FIG. 9. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0029] The terms used in the embodiments of the present application are merely for the purpose of describing specific embodiments and are not intended to limit the present application. The singular forms "a", "an" and "the" used in the embodiments of the present application and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise.

[0030] Figure 1 A display panel schematic diagram in the related art is shown in FIG. 1.Figure 2 For Figure 1 A cross-sectional view at the position of the tangent A-A'. As shown, the crosswise grid lines 01 and data lines 02 define a sub-pixel sp, which includes a transistor T and a pixel electrode 03 electrically connected to the transistor T. A support column 04 is arranged at the intersection of the grid line 01 and the data line 02. A black matrix BM covers the grid line 01, the data line 02, the transistor T and the support column 04. The black matrix BM has an opening K, and one sub-pixel sp includes one opening K. Figure 1

[0031] As shown, the display panel includes an array substrate 010 and a color film substrate 020, and a liquid crystal layer (not shown) is arranged between the array substrate 010 and the color film substrate 020. In order to solve the problem of light leakage caused by the extrusion of the support column 04 and improve the transmittance, a planar layer 011 on the array substrate 010 side is arranged to make a sink (i.e. a groove) to match the support column 04, and the active layer of the transistor T is arranged in a small U shape (as shown in the middle). Figure 2 Although this design enhances the pressure resistance of the panel, it has the problem of the support column 04 sliding into the opening of the planar layer 011, resulting in a decrease in the cell gap and causing insufficient liquid crystal. Figure 1

[0032] On the array substrate 010 side, the source electrode Ts of the transistor T is electrically connected to the data line 02 through an opening, and the drain electrode Td of the transistor T is connected to the connecting electrode 013 through an opening, and then connected to the pixel electrode 03 through an opening penetrating the planar layer 011. Due to the relatively thick thickness of the planar layer 011, there is a depression in the opening area 012 connecting the pixel electrode 03 and the drain electrode Td of the transistor T. On the color film substrate 020 side, a filter unit 021 is made in the opening K of the black matrix BM, and the support column 04 is made on the side of the black matrix BM close to the array substrate 010. As Figure 2 It can be seen that the support column 04 is close to the opening area 012 of the planar layer 011. When the array substrate 010 and the color film substrate 020 are aligned and bonded, or when the display panel is subjected to external force, there is a risk that the support column 04 will slide into the opening area 012 on the array substrate 010 side, thereby resulting in a decrease in the cell gap and causing insufficient liquid crystal.

[0033] ​​To address the problems existing in related technologies, embodiments of the present invention provide a display panel and a display device. Support pillars are fabricated on the array substrate side, and grooves and protrusions are fabricated on the planarization layer of the color filter substrate. The grooves at least partially overlap with the color filter structure, and the support pillars and protrusions are aligned. This novel aligned-up design improves light leakage caused by support pillar compression. Furthermore, the protrusions aligned with the support pillars act as guide rails for the sliding of the support pillars, preventing scratches on the alignment layer when the display panel is subjected to external forces. By fabricating the support pillars on the array substrate side, the risk of the support pillars sliding into the planarization layer openings on the array substrate side is avoided. Additionally, a first protrusion structure and a second protrusion structure with intersecting extension directions are provided on the color filter substrate side. These two protrusion structures mutually restrict displacement, preventing the protrusions from scratching into the planarization layer openings. The present invention solves the problem of reduced cell thickness and insufficient liquid crystal volume caused by compression in related technologies. The above is the main technical concept of the present invention; specific embodiments are described below.

[0034] Figure 3A This is a schematic diagram of a display panel provided in an embodiment of the present invention. Figure 3B for Figure 3A A magnified view of the central region, Q1. Figure 4 for Figure 3B A schematic diagram of a cross-section at the location of the tangent line BB′. Figure 5 This is a schematic diagram of another display panel provided in an embodiment of the present invention.

[0035] Figure 3A The diagram illustrates a portion of the display panel, which includes multiple sub-pixels sp, a first support pillar 13, and a second support pillar 14.

[0036] Combination Figure 3B and Figure 4 The display panel includes data lines 17 and gate lines 18 that intersect in their extending directions. Data lines 17 extend in the y-direction, and gate lines 18 extend in the x-direction. The intersection of data lines 17 and gate lines 18 defines a plurality of sub-pixels sp. Each sub-pixel sp includes a transistor T and a pixel electrode 19. The gate of transistor T is electrically connected to gate line 18, the source of transistor T is electrically connected to data line 17, and the drain of transistor T is electrically connected to pixel electrode 19. A black matrix BM covers transistor T and the intersecting data lines 17 and gate lines 18. The black matrix BM has an opening K, and each sub-pixel sp includes one opening K. Figure 3B The shape of the opening K and the shape of the pixel electrode 19 are illustrated in the diagram. Optionally, the pixel electrode 19 has multiple electrode strips, with a cutout formed between adjacent electrode strips. The display panel also includes a first support pillar 13 and a second support pillar 14, the first support pillar 13 overlapping with the intersection area of ​​the data line 17 and the gate line 18. Figure 3BAs can be seen from the top view, along the thickness direction of the display panel, the black matrix BM overlaps with the first support column 13 and the second support column 14.

[0037] The display panel includes a first substrate 10 and a second substrate 20 disposed opposite to each other, and a liquid crystal layer 30 located between the first substrate 10 and the second substrate 20. The first substrate 10 is an array substrate, and the second substrate 20 is an opposing substrate, such as a color filter substrate. The first substrate 10 includes a first substrate 11, a first planarization layer 12 and a first support pillar 13 located on one side of the first substrate 11, the first support pillar 13 being located on the side of the first planarization layer 12 closer to the liquid crystal layer 30. Transistors T and pixel electrodes 19 are located on the first substrate 10. Figure 4 The source Ts and drain Td of transistor T are illustrated. The source Ts of transistor T is electrically connected to data line 17, and the drain Td of transistor T is electrically connected to connection electrode 019 through an opening in the insulating layer. Connection electrode 019 is electrically connected to pixel electrode 19 through a first opening V penetrating the first planarization layer 12. Figure 4 It can be seen that, due to the relatively large thickness of the first planarization layer 12, a recessed area exists at the location of the first opening V. Additionally, the first substrate 10 also includes a common electrode ( Figure 4 (Not shown), the overlapping area of ​​the common electrode and the pixel electrode 19 forms a storage capacitor. The common electrode is located on the side of the first planarization layer 12 away from the first substrate 11. The common electrode can be located between the first planarization layer 12 and the film layer where the pixel electrode 19 is located, or the common electrode can also be located on the side of the pixel electrode 19 away from the first substrate 11.

[0038] The second substrate 20 includes a second substrate 21, a black matrix BM, multiple color filter structures 23, and a second planarization layer 22 located on one side of the second substrate 21. At least a portion of the color filter structures 23 is located within an opening K of the black matrix BM. A sub-pixel sp includes a color filter structure 23, which includes a red color filter structure, a green color filter structure, and a blue color filter structure. For example, the red color filter structure can transmit red light and block blue light and filter light. The sub-pixel sp including the red color filter structure can emit red light. The second planarization layer 22 is located on the side of the multiple color filter structures 23 closest to the liquid crystal layer 30. The second planarization layer 22 has a protrusion structure 221 and a groove 222. The protrusion structure 221 includes a first protrusion structure 221a and a second protrusion structure 221b, and the extending directions of the first protrusion structure 221a and the second protrusion structure 221b intersect each other.

[0039] Figure 5 It indicated Figure 3B A schematic diagram of the second flat layer 22 in the region also shows the overlapping relationship between the first support column 13 and the second support column 14 and the second flat layer 22. Figure 5It is a schematic view from the first substrate 10 side to the second substrate 20. It is shown that the first flat layer 12 and the first support column 13 are made on the first substrate 10, and the color filter structure 23 and the second flat layer 22 are made on the second substrate 20. Figure 5 It can be seen that the protruding structure 221 includes a first protruding structure 221a extending along the direction x and a second protruding structure 221b extending along the direction y. Figure 5 An optional structure of the second flat layer 22 is illustrated, and other optional implementations of the second flat layer 22 will be illustrated in the following related embodiments.

[0040] In addition, an alignment layer is arranged on the side of the first substrate 10 close to the liquid crystal layer 30, and / or an alignment layer is arranged on the side of the second substrate 20 close to the liquid crystal layer 30, Figure 4 The alignment layer is not shown. The alignment layer is used to align the liquid crystal molecules in the liquid crystal layer 30 to have a certain pre-tilt angle.

[0041] It is a schematic view from the first substrate 10 side to the second substrate 20. It is shown that the first flat layer 12 and the first support column 13 are made on the first substrate 10, and the color filter structure 23 and the second flat layer 22 are made on the second substrate 20. Figure 4 It can be seen that along the display panel thickness direction e, the groove 222 at least partially overlaps the color filter structure 23, and the first support column 13 and the protruding structure 221 at least partially overlap. That is, the first support column 13 made on the first substrate 10 and the protruding structure 221 on the second substrate 20 are arranged in a top-to-top manner. In other words, the orthographic projection of the first support column 13 to the second substrate 21 falls within the orthographic projection of the protruding structure 221 on the second substrate 21.

[0042] The display panel provided by the embodiment of the present application has the first flat layer 12 and the first support column 13 made on the first substrate 10, the color filter structure 23 and the second flat layer 22 made on the second substrate 20, and the second flat layer 22 has the groove 222 and the first protruding structure 221a and the second protruding structure 221b extending in mutually intersecting directions. The groove 222 is arranged to at least partially overlap the color filter structure 23. In addition, the first support column 13 made on the first substrate 10 and the protruding structure 221 on the second substrate 20 are arranged in a top-to-top manner, which can support the thickness of the liquid crystal cell and improve the light leakage caused by the extrusion of the support column. When the display panel bears external force, the first protruding structure 221a and the second protruding structure 221b extending in mutually intersecting directions can act as guide rails for the sliding of the support column, preventing the support column from scratching the alignment layer. Moreover, since the first support column 13 is made on the first substrate 10, when the display panel bears external force, the first support column 13 does not have the risk of sliding into the first opening V in the first flat layer 12 on the first substrate 10, which can improve the stability of the liquid crystal cell thickness of the display panel. In addition, the first protruding structure 221a and the second protruding structure 221b extending in mutually intersecting directions limit the displacement of each other, which can avoid the protruding structure 221 from sliding into the first opening V on the first substrate 10 side when the display panel bears external force.

[0043] In some embodiments, during the fabrication of the second substrate 20, after fabricating the black matrix BM and the color filter structure 23 on the second substrate 21, a first sub-planarization layer is first fabricated, and then a second sub-planarization layer is fabricated on the first sub-planarization layer. The second sub-planarization layer and the first sub-planarization layer are made of the same material. The first sub-planarization layer and the second sub-planarization layer are stacked to form the second planarization layer 22 in this embodiment of the invention. Then, the second sub-planarization layer is etched to form grooves 222 and protrusion structures 221.

[0044] In some implementations, such as Figure 3B As shown, the active layer of transistor T is U-shaped. In this embodiment of the invention, support pillars (such as the first support pillar 13 and the second support pillar 14) are fabricated on the array substrate side, and grooves 222 and protrusions 221 are fabricated on the planarization layer of the color filter substrate. By using the protrusions 221 to align with the support pillars, the compressive strength of the display panel can be enhanced, and the light leakage problem caused by the support pillars being squeezed can be improved. Moreover, in this embodiment of the invention, the support pillars are fabricated on the array substrate side, and the position of the second support pillar 14 will block the openings on the first planarization layer 12. Even with the U-shaped design of the active layer of transistor T, the support pillars will not slide into the openings on the first planarization layer 12 when squeezed, which can solve the problem of insufficient liquid crystal volume caused by the reduction of liquid crystal cell thickness in related technologies.

[0045] Depend on Figure 4 As can be seen, data line 17 and gate line 18 are located on the first substrate 10, and the film layer containing data line 17 is located on the side of the film layer containing gate line 18 away from the first substrate 11. The source Ts and drain Td of transistor T are located in the semiconductor layer. The film layer containing gate line 18 is located on the side of the semiconductor layer away from the first substrate 11, and transistor T is a top-gate transistor. In some other embodiments, transistor T may also be a bottom-gate transistor, which will not be shown in the accompanying drawings.

[0046] Combination Figure 4 and Figure 5 The first support pillar 13 has a first surface M1 near the liquid crystal layer 30, and the protrusion structure 221 has a second surface M2 near the liquid crystal layer 30. The first support pillar 13 at least partially overlaps with the first protrusion structure 221a and the second protrusion structure 221b at their intersection points. The width of the first surface M1 along the first direction is d1 (indicated in...). Figure 4 (in the middle), the second protrusion structure 221b is located between two adjacent grooves 222 in the first direction, and the width of the second surface M2 of the second protrusion structure 221b in the first direction is d2 (indicated in the middle). Figure 5 (middle), d1>d2, the first direction is parallel to the plane where the display panel is located. Figure 4 and Figure 5In the embodiment of the present application, the length of the first surface M1 of the first support column 13 in the direction x is d1, and the width of the second surface M2 of the second protruding structure 221b in the direction x is d2. In the embodiment of the present application, the first support column 13 is arranged to abut the first protruding structure 221a and the second protruding structure 221b. When the display panel is subjected to an external force, the second protruding structure 221b can act as a guide rail for the first support column 13 to slide. The first support column 13 is arranged to have a length greater than the second protruding structure 221b, so that when the first support column 13 slides a certain distance relative to the second protruding structure 221b, the surfaces of the two can still abut to support each other. In this way, the first support column 13 can slide on a relatively flat surface, thereby preventing the first support column 13 from scratching the alignment layer. In addition, even if the second protruding structure 221b slides relative to the first support column 13, the surface of the first support column 13 can still support the second protruding structure 221b, so that the second protruding structure 221b will not fall into the first opening V of the first flat layer 12.

[0047] In combination with Figure 3B and Figure 4 , the plurality of transistors and the plurality of pixel electrodes 19 are located on the first substrate 10. The pixel electrodes 19 are located on the side of the first flat layer 12 close to the liquid crystal layer 30, and the pixel electrodes 19 are electrically connected to the drain electrodes Td of the transistors T through the first openings V that at least pass through the first flat layer 12. The first substrate 10 includes the first support column 13 and the second support column 14, and the first support column 13 and the second support column 14 are located on the side of the first flat layer 12 close to the liquid crystal layer 30. In the extension direction x of the gate lines 18, the length of the first support column 13 is less than the length of the second support column 14. In the thickness direction e of the display panel, the thickness of the first support column 13 is greater than the thickness of the second support column 14, and the first support column 13 and the second support column 14 at least partially overlap the protruding structure 221. Figure 3B As can be seen from the top view, the first support column 13 is adjacent to the first opening V, and the second support column 14 overlaps at least one first opening V. Figure 4It can also be seen that the second support column 14 at least partially overlaps the first opening V along the thickness direction e of the display panel. That is, the second support column 14 blocks the first opening V. In the embodiment of the present application, the first support column 13 and the second support column 14 are arranged on the first substrate 10 side, the first support column 13 is adjacent to the first opening V, and the second support column 14 overlaps at least one first opening V. The groove structure 222 and the protruding structure 221 are made on the second flat layer 22 on the second substrate 20 side, and the first support column 13 and the second support column 14 are arranged to respectively abut against (i.e., overlap) the protruding structure 221. When the display panel is pressed by external force, the first support column 13 is first pressed, and as the thickness of the liquid crystal box decreases, the height of the first support column 13 decreases. When the first support column 13 is compressed to the same height as the second support column 14, the second support column 14 and the first support column 13 jointly support the liquid crystal box thickness, ensuring that the display panel has a uniform box thickness at each position, so that the liquid crystal molecules in the liquid crystal box can fill the entire space in the box, thereby avoiding uneven distribution of liquid crystal molecules caused by uneven box thickness, and thereby avoiding the risk of display color deviation. In addition, since the first support column 13 is made on the first substrate 10 side, when the display panel is pressed by external force, the first support column 13 will not slide into the first opening V on the first substrate 10. Moreover, since the second support column 14 blocks the first opening V, when the display panel is pressed by external force, the second protruding structure 221b extending in the direction y will also not slide into the first opening V. The embodiment of the present application can improve the stability of the liquid crystal box thickness of the display panel.

[0048] As shown in FIG. 1, the protruding structure 221 includes first protruding structures 221a and second protruding structures 221b that are transversely and longitudinally crossed, and the first protruding structures 221a and the second protruding structures 221b are mutually crossed to form a mesh shape. Figure 5 When the display panel is pressed by external force, the first protruding structures 221a and the second protruding structures 221b can act as guide rails for the first support column 13 and the second support column 14 to slide, and can prevent scratching of the alignment layer. Moreover, the first protruding structures 221a and the second protruding structures 221b that extend in mutually crossed directions can limit displacement of each other, thereby avoiding the protruding structure 221 from being scratched into the first opening V of the first flat layer.

[0049] In addition, in the embodiment of the present application, the first support column 13 and the second support column 14 can be made of organic material. When making, first, an organic material layer is coated, and then the organic material layer is etched to obtain the required first support column 13 pattern and second support column 14 pattern. Figure 4 It can be seen that a recessed area is formed at the position of the first opening V of the first flat layer 12, and in the area where the second support column 14 overlaps the first opening V, the coated organic material will fill the recess, so the surface of the second support column 14 away from the first substrate 11 is still a flat surface.

[0050] In some implementations... Figure 6 This is a schematic diagram of another display panel provided in an embodiment of the present invention. Figure 6 As shown, the display panel includes a display area AA and a non-display area NA. The display area AA includes multiple common electrodes 15 arranged in an array, and each common electrode 15 is electrically connected to at least one signal line 16. During the display phase, the common electrodes 15 cooperate with the pixel electrodes 19 to drive the liquid crystal molecules in the sub-pixels sp to achieve display. During the touch phase, the common electrodes 15 are reused as touch electrodes. The multiple common electrodes 15 and the multiple signal lines 16 are located on the first substrate 10.

[0051] Figure 7 This is a partial schematic diagram of another display panel provided in an embodiment of the present invention. Figure 8 for Figure 7 A schematic diagram of a cross-section at the location of the midtangent CC′. (Combined with...) Figure 7 and Figure 8 The first substrate 10 also includes a first substrate 11, a plurality of common electrodes 15 and a plurality of signal lines 16. The common electrodes 15 and the signal lines 16 are all located on the side of the first planarization layer 12 away from the first substrate 11; each common electrode 15 is electrically connected to at least one signal line 16. Figure 8 The diagram illustrates a common electrode 15 located between the first planarization layer 12 and the film layer containing the pixel electrode 19. In other embodiments, the common electrode 15 is located on the side of the pixel electrode 19 away from the first substrate 11. Along the thickness direction e of the display panel, at least one first support pillar 13 partially overlaps with the signal line 16. In this embodiment, the first support pillar 13 is fabricated on the first substrate 10 side. When the display panel is subjected to external force, the first support pillar 13 does not risk sliding into the first opening V in the first planarization layer 12 on the first substrate 10, thus improving the stability of the liquid crystal cell thickness of the display panel. Furthermore, by providing at least one first support pillar 13 that partially overlaps with the signal line 16, the surface height of the first support pillar 13 (the height is viewed from the plane containing the first substrate 11) can be increased to meet the liquid crystal cell thickness requirements for the height of the first support pillar 13.

[0052] like Figure 8 As shown, along the thickness direction e of the display panel, at least one first support pillar 13 partially overlaps with the signal line 16. The first substrate 10 also includes a second support pillar 14, which is located on the side of the first planarization layer 12 near the liquid crystal layer 30; along the thickness direction e of the display panel, the thickness D1 of the first support pillar 13 is equal to the thickness D2 of the second support pillar 14. Figure 7As can be seen, the width of the first support column 13 is less than the width of the second support column 14 along the extension direction x of the gate line 18. In this embodiment, the first support column 13 is elevated by the signal line 16, so that a step is formed between the first support column 13 and the second support column 14. The thickness D1 of the first support column 13 is set equal to the thickness D2 of the second support column 14, so that the two kinds of support columns can be manufactured in the same process, simplifying the manufacturing process. When the display panel is pressed by external force, the first support column 13 is pressed first, and the height of the first support column 13 is reduced as the thickness of the liquid crystal cell is reduced. When the first support column 13 is compressed to the same height as the second support column 14, the second support column 14 and the first support column 13 jointly support the liquid crystal cell thickness, ensuring that the display panel has a uniform cell thickness at each position, so that the liquid crystal molecules in the liquid crystal cell can fill the entire cell space, thereby avoiding uneven distribution of liquid crystal molecules caused by uneven cell thickness, and thereby avoiding the risk of display color deviation.

[0053] Optionally, the arrangement density of the first support column 13 in the display panel is less than the arrangement density of the second support column 14.

[0054] Figure 7 The shape of the signal line 16 is also separately shown in the display panel. Figure 7 As shown, the signal line 16 includes a first line segment 161 and a second line segment 162, and the signal line 16 extends along the direction y, and the direction x is the line width direction of the signal line 16. The line width of the first line segment 161 is greater than the line width of the second line segment 162. Figure 7 The top view of the display panel can be understood as the top direction of the display panel being parallel to the thickness direction of the display panel. Figure 7 As can be seen, along the thickness direction of the display panel, at least one first support column 13 overlaps the first line segment 161. In combination with Figure 8 It can be understood that the orthographic projection of the at least one first support column 13 on the first substrate 11 is located within the orthographic projection of the first line segment 161 on the first substrate 11. That is, the orthographic projection area of the first line segment 161 on the first substrate 11 is greater than the orthographic projection area of the first support column 13 on the first substrate 11. Such arrangement can elevate the first support column 13 located above the first line segment 161 by the first line segment 161 of the signal line 16, so as to ensure that the first support column 13 has a relatively flat substrate below, and the overall height of the first support column 13 is uniform, and the support is better.

[0055] Figure 7 and Figure 8In the embodiment, the signal line 16 is located on the side of the first planar layer 12 away from the first substrate 11. In another embodiment, a common electrode 15 is electrically connected to at least one signal line 16, the common electrode 15 is located on the side of the first planar layer 12 away from the first substrate 11, and the plurality of signal lines 16 and the plurality of data lines 17 are located on the same layer and on the side of the first planar layer 12 close to the first substrate 11.

[0056] Figure 9 Another display panel provided by the embodiment of the present application is shown in the following schematic diagram, Figure 10 For Figure 9 the schematic diagram of a cross section at the position of the tangent line D-D' is shown in the following figure. In combination with Figure 9 and Figure 10 , it can be seen that the signal line 16 and the data line 17 are located on the same layer. The data line 17 includes a first data line 171, and the first data line 171 is adjacent to the signal line 16. In the direction e of the thickness of the display panel, at least one first support column 13 at least partially overlaps the adjacent first data line 171 and the signal line 16. In this embodiment, the signal line 16 is located on the same layer as the data line 17, and the two can be manufactured in the same process, without the need for additional processes to manufacture the signal line 16, thereby simplifying the manufacturing process of the display panel. In addition, by arranging the first support column 13 to at least partially overlap the adjacent first data line 171 and the signal line 16, the first support column 13 can be elevated to some extent to meet the requirement of supporting the thickness of the liquid crystal cell.

[0057] In some embodiments, in combination with Figure 9 and Figure 10 , in the extension direction x of the gate line 18, the width of the surface of the second support column 14 close to the liquid crystal layer 30 is d5, and the distance between the adjacent two first openings V is d6, and d5>d6. The distance between the adjacent two first openings V can be calculated as the distance between the centers of the two first openings V. In the embodiment of the present application, the second support column 14 is arranged to have a large width in the extension direction x of the gate line 18, so that the width of the second support column 14 in the direction x is greater than the width of the opening K of the black matrix BM in the direction x, that is, the second support column 14 at least spans the width of one sub-pixel sp in the direction x. When the display panel is subjected to pressure, the adjacent two second protruding structures 221b in the direction x (as shown in the schematic diagram in Figure 5 , can jointly act as the guide rail for the sliding of the second support column 14 in the direction y. This can ensure the support ability of the second support column 14 to the thickness of the liquid crystal cell, and can also avoid scratching the alignment layer.

[0058] In some embodiments, as Figure 5As shown, the plurality of first protruding structures 221a and the plurality of second protruding structures 221b cross each other to define a plurality of grooves 222; at the intersection of the first protruding structures 221a and the second protruding structures 221b are common portions 221G. The common portions 221G are formed by etching the second planar layer 22. Figure 5 As shown in the top view, along the direction perpendicular to the thickness direction of the display panel, the first support column 13 and the common portions 221G at least partially overlap. During the manufacturing of the display panel, the grooves 222 and the corresponding first protruding structures 221a and second protruding structures 221b can be formed by etching the second planar layer 22. The common portions 221G are not formed by stacking the first protruding structures 221a and the second protruding structures 221b, and the surface of the common portions 221G away from the second substrate 21 is substantially flush with the surface of the first protruding structures 221a away from the second substrate 21. Moreover, the surface of the first protruding structures 221a away from the second substrate 21 is substantially flush with the surface of the second protruding structures 221b away from the second substrate 21.

[0059] In combination with Figure 3B , Figure 4 , and Figure 5 , the first substrate 10 includes the first support column 13 and the second support column 14, which are located on the side of the first planar layer 12 close to the liquid crystal layer 30. The first protruding structures 221a and the gate lines 18 have the same extension direction, and the second protruding structures 221b have the same extension direction as the data lines 17. Along the thickness direction e of the display panel, the second support column 14 and the first protruding structures 221a at least partially overlap. Along the extension direction x of the gate lines 18, the width of the groove 222 is d3, and the width of the surface of the second support column 14 close to the liquid crystal layer 30 is d4, d3 < d4. In this embodiment, the width of the groove 222 in the direction x is set to be smaller than the width of the surface of the second support column 14 in the direction x. When the display panel is subjected to pressure, two adjacent second protruding structures 221b in the direction x can jointly act as a guide rail for the sliding of the second support column 14 in the direction y. This can ensure the support ability of the second support column 14 to the liquid crystal cell thickness and avoid scratching the alignment layer.

[0060] As shown in Figure 4 , along the thickness direction e of the display panel, the thickness of the first support column 13 is h1, and the distance between the surface of the protruding structure 221 overlapping the first support column 13 and the groove bottom of the groove 222 is h2, h1 > h2. In this embodiment, the thickness of the first support column 13 is set to be greater than the step difference between the protruding structure 221 and the groove bottom, and the first support column 13 is used to support the liquid crystal cell thickness.

[0061] In other embodiments, Figure 11 the Figure 3B other cross-sectional view is shown at the position of the tangent line B-B' in FIG. 6.Figure 11 The top view of the first flat layer 12 in the embodiment can refer to the schematic in Figure 5 . As shown in Figure 11 , the first substrate 10 includes a first support column 13 and a second support column 14, which are located on the side of the first flat layer 12 close to the liquid crystal layer 30. The first substrate 10 includes a gate line 18 and a data line 17, in combination Figure 5 , the first protruding structure 221a and the gate line 18 have the same extension direction, the second protruding structure 221b has the same extension direction as the data line 17, and the intersection of the first protruding structure 221a and the second protruding structure 221b is a shared part 221G. In the thickness direction e of the display panel, the first support column 13 and the shared part 221G at least partially overlap, and the second support column 14 and the first protruding structure 221a at least partially overlap. The surface of the shared part 221G on the side close to the liquid crystal layer 30 is a third surface M3, and the surface of the first protruding structure 221a on the side close to the liquid crystal layer 30 overlapping with the second support column 14 is a fourth surface M4. From Figure 11 , it can be seen that the vertical distance from the third surface M3 to the plane where the color filter structure 23 is located is greater than the vertical distance from the fourth surface M4 to the plane where the color filter structure 23 is located. In addition, the surface of at least part of the second protruding structure 221b adjacent to the groove 222 in the direction x on the side close to the liquid crystal layer 30 is substantially flush with the fourth surface M4. That is, two steps are formed on the second flat layer 22, a first step Δ1 is formed between the third surface M3 and the fourth surface M4, and a second step Δ2 is formed between the fourth surface M4 and the bottom of the groove 222. At the position of the sub-pixel, that is, in the overlapping area with the color filter structure 23, the thickness of the liquid crystal cell is at least the sum of the first step Δ1, the second step Δ2, and the thickness of the first support column 13, which ensures that the thickness of the liquid crystal cell at the sub-pixel position meets the optical requirements.

[0062] In the embodiment of the present application, the second flat layer 22 is designed to form two steps, so that the distance between the first support column 13 and the common part 221G along the thickness direction e of the display panel is less than the distance between the second support column 14 and the first protruding structure 221a, and the cell thickness of the liquid crystal in the overlapping area with the color film structure 23 can meet the optical requirements. When the display panel is pressed by external force, the first support column 13 is pressed first, and as the cell thickness of the liquid crystal decreases, the height of the first support column 13 decreases. Then the second support column 14 is pressed, and the second support column 14 and the first support column 13 jointly support the cell thickness, ensuring that the cell thickness at each position of the display panel is consistent, so that the liquid crystal molecules in the liquid crystal cell can fill the entire space in the cell, thereby avoiding uneven distribution of liquid crystal molecules caused by inconsistent cell thickness, and further avoiding the risk of display color deviation. In addition, in this embodiment, the common part 221G is opposite to the first support column 13, and when the first support column 13 is pressed, the common part 221G serves as a sliding area of the first support column 13. When the second support column 14 is pressed, the second protruding structure 221b adjacent to the groove 222 in the direction x can also serve as a sliding guide rail of the second support column 14 to prevent the second support column 14 from scratching the alignment layer. In addition, the first protruding structure 221a and the second protruding structure 221b extending in opposite directions limit the displacement of each other, and when the display panel is subjected to external force, the protruding structure 221 can be prevented from sliding into the first opening V on the first substrate 10 side.

[0063] In the manufacturing of the second substrate 20, the manufacturing material of the second flat layer 22 can be first coated on the whole surface, then the whole layer of material is subjected to light treatment by using a half-tone mask, and then etching process is performed to form the required second flat layer 22 with two steps.

[0064] In some embodiments, as shown in FIG. 1, Figure 11 The surface of the first support column 13 close to the liquid crystal layer 30 and the surface of the second support column 14 close to the liquid crystal layer 30 are flush. In other words, along the thickness direction e of the display panel, the thickness D1 of the first support column 13 is equal to the thickness D2 of the second support column 14. In this embodiment, the second flat layer 22 is designed to form two steps, and the first support column 13 and the second support column 14 are designed to have the same thickness, so that the distance between the first support column 13 and the common part 221G along the thickness direction e of the display panel is less than the distance between the second support column 14 and the first protruding structure 221a. The first support column 13 and the second support column 14 can be manufactured by using a conventional mask in one etching process, which can simplify the manufacturing process of the first substrate 10.

[0065] In other embodiments, Figure 12 Another display panel provided by the embodiment of the present application is shown in FIG. 2, Figure 13 is Figure 12A cross-sectional view of the display panel at the position of the tangent line E-E'. Figure 12 and Figure 13 As shown in the cross-sectional view of the display panel at the position of the tangent line E-E', the first substrate 10 side includes the first support column 13, which is located on the side of the first flat layer 12 close to the liquid crystal layer 30. The first flat layer 12 has a boss 121, which protrudes from the first flat layer 12 towards the side close to the liquid crystal layer 30. The pattern of the second flat layer 22 in this embodiment can be referred to the illustration of Figure 5 As shown in the cross-sectional view of the display panel at the position of the tangent line E-E', the first substrate 10 side includes the first support column 13, which is located on the side of the first flat layer 12 close to the liquid crystal layer 30. The first flat layer 12 has a boss 121, which protrudes from the first flat layer 12 towards the side close to the liquid crystal layer 30. The pattern of the second flat layer 22 in this embodiment can be referred to the illustration of Figure 5 As shown in the cross-sectional view of the display panel at the position of the tangent line E-E', the first substrate 10 side includes the first support column 13, which is located on the side of the first flat layer 12 close to the liquid crystal layer 30. The first flat layer 12 has a boss 121, which protrudes from the first flat layer 12 towards the side close to the liquid crystal layer 30. The pattern of the second flat layer 22 in this embodiment can be referred to the illustration of

[0066] When the first flat layer 12 is made in the first substrate 10, the material can be coated in an entire layer first, and then the material layer is exposed to light using a half-tone mask, and then the boss 121 and the first opening V on the first flat layer 12 are made in a one-step etching process.

[0067] As shown in the cross-sectional view of the display panel at the position of the tangent line E-E', the first substrate 10 side includes the first support column 13, which is located on the side of the first flat layer 12 close to the liquid crystal layer 30. The first flat layer 12 has a boss 121, which protrudes from the first flat layer 12 towards the side close to the liquid crystal layer 30. The pattern of the second flat layer 22 in this embodiment can be referred to the illustration of Figure 13As shown, the first substrate 10 includes a first substrate 11, a surface of the first support column 13 away from the first substrate 11 has a vertical distance h3 from the first substrate 11, a surface of the boss 121 away from the first substrate 11 has a vertical distance h4 from the first substrate 11, and h3>h4. That is, in terms of the first substrate 11 as a reference surface, the height of the first support column 13 is greater than the height of the boss 121. In this embodiment, the setting density of the first support column 13 can be set to be less than the setting density of the boss 121. When the display panel is pressed by external force, the first support column 13 is pressed first, and the height of the first support column 13 is reduced as the thickness of the liquid crystal cell is reduced. Then the boss 121 is pressed, and the boss 121 and the first support column 13 jointly support the thickness of the liquid crystal cell, ensure that the thickness of the liquid crystal cell is uniform at each position of the display panel, so that the liquid crystal molecules in the liquid crystal cell can fill the entire space in the cell, thereby avoiding uneven distribution of liquid crystal molecules caused by uneven thickness of the cell, and thereby avoiding the risk of display color deviation.

[0068] In other embodiments, h3=h4. The structure of the second flat layer 22 can be designed in combination with Figure 11 In the embodiment, the second flat layer 22 is formed as Figure 11 In the embodiment, the two steps are shown, and h3=h4 can be set when the second flat layer 22 forms two steps as

[0069] In combination with Figure 12 and Figure 13 , the first support column 13 has a first surface M1 close to the liquid crystal layer 30, and the boss 121 has a fifth surface M5 close to the liquid crystal layer 30; along the extension direction y of the data line 17, the width of the first surface M1 is greater than the width of the fifth surface M5. It can be seen from Figure 12 that the length of the first support column 13 along the extension direction y of the data line 17 is greater than the length of the boss 121. It can be understood that the black matrix BM in the display panel needs to cover the first support column 13 and the boss 121, and if the size of the first support column 13 and the boss 121 is too large, it will occupy the area of the opening K of the black matrix BM. The embodiments of the present application design the size of the first support column 13 and the boss 121 in combination with the scheme of h3≥h4, and the setting density of the first support column 13 can be set to be less than the setting density of the boss 121, which can meet the support requirement of the thickness of the liquid crystal cell and reduce the influence on the opening K of the black matrix BM, and ensure the aperture ratio of the sub-pixel.

[0070] In other embodiments, Figure 14 another display panel provided by the embodiments of the present application is shown in the figure, Figure 15 is Figure 14 is a cross-sectional view at the position of the tangent line F-F' in the embodiment. In order to clearly show the position relationship of the protruding structure and the support column, Figure 14The black matrix BM is not shown.

[0071] In combination Figure 14 and Figure 15 , the first protruding structure 221a and the second protruding structure 221b cross each other to form a cross-shaped protruding structure 221X, and the first protruding structure 221a and the second protruding structure 221b are integrated in the cross-shaped protruding structure 221X. In the display panel thickness direction e, the first support column 13 and the cross-shaped protruding structure 221X at least partially overlap. The first substrate 10 includes the gate lines 18 and the data lines 17 extending in directions crossing each other. In the extension direction x of the gate lines 18, the width of the surface of the first support column 13 on the side close to the liquid crystal layer 30 is smaller than the maximum width of the surface of the cross-shaped protruding structure 221X on the side close to the liquid crystal layer 30. In other words, the length of the first support column 13 in the extension direction x of the gate lines 18 is smaller than the maximum length of the cross-shaped protruding structure 221X. In addition, in the extension direction y of the data lines 17, the width of the surface of the first support column 13 on the side close to the liquid crystal layer 30 is greater than the maximum width of the surface of the cross-shaped protruding structure 221X on the side close to the liquid crystal layer 30. In other words, the length of the first support column 13 in the extension direction y of the data lines 17 is greater than the maximum length of the cross-shaped protruding structure 221X. This embodiment provides the cross-shaped protruding structure 221X in part of the second planar layer 22, uses the cross-shaped protruding structure 221X to abut against the first support column 13, and designs the size relationship between the cross-shaped protruding structure 221X and the first support column 13. When the display panel bears pressure, the cross-shaped protruding structure 221X can abut against the first support column 13 to provide support, so that the first support column 13 can still abut against the cross-shaped protruding structure 221X in part of the region when it slides a certain distance in the direction x or the direction y, and the first support column 13 can be prevented from scratching the alignment layer. Moreover, the cross-shaped protruding structure 221X will not slide into the first opening V of the first planar layer.

[0072] In combination Figure 14 and Figure 15 , the first substrate 10 further includes a second support column 14, and the second support column 14 is located on the side of the first planar layer 12 close to the liquid crystal layer 30; the extension direction of the first protruding structure 221a is the same as that of the gate lines 18, and the extension direction of the second protruding structure 221b is the same as that of the data lines 17. In the display panel thickness direction e, the second support column 14 and the first protruding structure 221a at least partially overlap. From Figure 15 It can be seen that the groove 222 surrounds the cross-shaped protruding structure 221X and the first protruding structure 221a, that is, the protruding structure can be provided only at the position abutting against the first support column 13 and the position abutting against the second support column 14.

[0073] Optionally, the thickness of the second support column 14 is smaller than the thickness of the first support column 13. That is, in terms of the first substrate 11 as a reference surface, the height of the second support column 14 is smaller than the height of the first support column 13.

[0074] By Figure 14 And Figure 15 It can be seen that along the extension direction x of the gate line 18, the width of the surface of the second support column 14 close to the liquid crystal layer 30 is greater than the width of the surface of the first protruding structure 221a close to the liquid crystal layer 30; along the extension direction y of the data line 17, the width of the surface of the second support column 14 close to the liquid crystal layer 30 is greater than the width of the surface of the first protruding structure 221a close to the liquid crystal layer 30. In other words, in the position overlapping the second support column 14, the orthographic projection of the second support column 14 on the first substrate 11 covers the orthographic projection of the first protruding structure 221a on the first substrate 11. In this embodiment, the second support column 14 is arranged to at least partially overlap the first protruding structure 221a, so that the liquid crystal cell thickness can be supported by the second support column 14 and the first support column 13 together. And by designing the size of the first protruding structure 221a at the position overlapping the second support column 14, when the display panel is subjected to pressure, the first protruding structure 221a can be supported by the second support column 14, so that when the second support column 14 slides a certain distance along the direction x or the direction y, the first protruding structure 221a can still be supported by the second support column 14 in a partial area, so as to prevent the second support column 14 from scratching the alignment layer.

[0075] In addition, in this embodiment, the groove 222 surrounds the cross-shaped protruding structure 221 X and the first protruding structure 221a, that is, the protruding structure can be arranged only at the position where the first support column 13 is in abutment and at the position where the second support column 14 is in abutment. Then, a through groove can be made at the position corresponding to the adjacent color film structure 23 in the direction x, that is, one groove 222 overlaps a plurality of color film structures 23. Such an arrangement makes the space of the groove 222 relatively large, and when the display panel is subjected to extrusion, the liquid crystal thickness at the position corresponding to the opening K of the black matrix BM is more uniform, which can meet the optical requirements.

[0076] Based on the same inventive concept, the present application also provides a display device, Figure 16 A display device provided by an embodiment of the present application is shown in FIG. 8. Figure 16 As shown in FIG. 8, the display device includes the display panel 100 provided by any of the embodiments of the present application. The structure of the display panel 100 has been described in the above embodiments, and will not be repeated here. The display device provided by the embodiments of the present application can be, for example, a mobile phone, a tablet, a computer, a television, a smart wearable product, or any other electronic device having a display function.

[0077] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of protection of the present application.

[0078] Finally, it should be noted that the above embodiments are used to illustrate the technical solutions of the present application, and are not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements, partial or complete, to the technical features thereof. Such modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A display panel, characterized in that, The display panel includes a first substrate and a second substrate disposed opposite to each other, and a liquid crystal layer located between the first substrate and the second substrate; The first substrate includes a first planarization layer and a first support pillar, wherein the first support pillar is located on the side of the first planarization layer closer to the liquid crystal layer; The second substrate includes a plurality of color filter structures and a second planarization layer, the second planarization layer being located on the side of the plurality of color filter structures near the liquid crystal layer; the second planarization layer has protrusion structures and grooves; the protrusion structures include a first protrusion structure and a second protrusion structure, the extension directions of the first protrusion structure and the extension directions of the second protrusion structure intersecting each other; Along the thickness direction of the display panel, the groove at least partially overlaps with the color filter structure, and the first support column and the protrusion structure at least partially overlap; The first substrate includes a plurality of transistors and a plurality of pixel electrodes. The pixel electrodes are located on the side of the first planarization layer near the liquid crystal layer. The pixel electrodes are connected to the drain of the transistors through a first opening that penetrates at least through the first planarization layer. The first substrate includes a second support pillar located on the side of the first planarization layer near the liquid crystal layer; along the thickness direction of the display panel, the second support pillar at least partially overlaps with the first opening.

2. The display panel according to claim 1, characterized in that, The first support post has a first surface near the liquid crystal layer, and the protrusion structure has a second surface near the liquid crystal layer; the first support post at least partially overlaps with the first protrusion structure and the second protrusion structure at their intersection positions; The width of the first surface along the first direction is d1, and the first direction is parallel to the plane where the display panel is located. The second protrusion structure is located between two adjacent grooves in the first direction. The width of the second surface of the second protrusion structure along the first direction is d2, where d1>d2.

3. The display panel according to claim 1, characterized in that, The first substrate further includes a first substrate, a plurality of common electrodes and a plurality of signal lines, wherein the common electrodes and the signal lines are all located on the side of the first planarization layer away from the first substrate; each common electrode is electrically connected to at least one signal line; Along the thickness direction of the display panel, at least one of the first support pillars overlaps with a portion of the signal line.

4. The display panel according to claim 3, characterized in that, The signal line includes a first segment and a second segment, wherein the line width of the first segment is greater than the line width of the second segment; along the thickness direction of the display panel, at least one of the first support pillars overlaps with the first segment; At least one of the first support pillars has its orthographic projection onto the first substrate located within the orthographic projection of the first line segment onto the first substrate.

5. The display panel according to claim 1, characterized in that, The first substrate further includes a first substrate, a plurality of common electrodes, a plurality of signal lines and a plurality of data lines. The common electrodes are located on the side of the first planarization layer away from the first substrate. The plurality of signal lines and the plurality of data lines are located on the same layer and on the side of the first planarization layer closer to the first substrate. Each common electrode is electrically connected to at least one of the signal lines. The data line includes a first data line, which is adjacent to the signal line; Along the thickness direction of the display panel, at least one of the first support pillars at least partially overlaps with the adjacent first data line and signal line.

6. The display panel according to claim 1, characterized in that, Multiple first protrusion structures and multiple second protrusion structures intersect to define multiple grooves; the intersection of the first protrusion structures and the second protrusion structures is a common part; Along the direction perpendicular to the thickness of the display panel, the first support column and the common part at least partially overlap.

7. The display panel according to claim 6, characterized in that, The first substrate includes gate lines; the first protrusion structure and the gate lines extend in the same direction; Along the thickness direction of the display panel, the second support column and the first protrusion structure at least partially overlap; Along the extending direction of the gate line, the width of the groove opening is d3, and the width of the surface of the second support post near the liquid crystal layer is d4. <d4。 8. The display panel according to claim 6, characterized in that, Along the thickness direction of the display panel, the thickness of the first support column is h1, and the distance between the surface of the protrusion structure overlapping with the first support column and the bottom of the groove is h2, where h1>h2.

9. The display panel according to claim 6, characterized in that, The first substrate includes gate lines; the first protrusion structure and the gate lines extend in the same direction; along the thickness direction of the display panel, the second support post and the first protrusion structure at least partially overlap. The surface of the common part near the liquid crystal layer is the third surface, and the surface of the first protrusion structure overlapping the second support column near the liquid crystal layer is the fourth surface; The vertical distance between the third surface and the plane where the color filter structure is located is greater than the vertical distance between the fourth surface and the plane where the color filter structure is located.

10. The display panel according to claim 9, characterized in that, The surface of the first support column near the liquid crystal layer is flush with the surface of the second support column near the liquid crystal layer.

11. The display panel according to claim 1, characterized in that, The first planarization layer has a boss; The intersection of the first protruding structure and the second protruding structure is a common part; Along the thickness direction of the display panel, the boss and the common portion at least partially overlap.

12. The display panel according to claim 11, characterized in that, The first substrate includes a first substrate, the surface of the first support post on the side away from the first substrate is at a vertical distance of h3 from the first substrate, and the surface of the boss on the side away from the first substrate is at a vertical distance of h4 from the first substrate, where h3 ≥ h4.

13. The display panel according to claim 11, characterized in that, The first support post has a first surface near the liquid crystal layer, and the boss has a fifth surface near the liquid crystal layer. The first substrate includes data lines; along the extension direction of the data lines, the width of the first surface is greater than the width of the fifth surface.

14. The display panel according to claim 1, characterized in that, The first protrusion structure and the second protrusion structure intersect to form a cross-shaped protrusion structure; Along the thickness direction of the display panel, the first support column and the cross-shaped protrusion structure at least partially overlap; The first substrate includes gate lines and data lines that intersect each other in their extending directions; Along the extension direction of the gate line, the width of the surface of the first support post near the liquid crystal layer is smaller than the maximum width of the surface of the cross-shaped protrusion structure near the liquid crystal layer. Along the extension direction of the data line, the width of the surface of the first support post near the liquid crystal layer is greater than the maximum width of the surface of the cross-shaped protrusion structure near the liquid crystal layer.

15. The display panel according to claim 14, characterized in that, The first protrusion structure and the grid line extend in the same direction; along the thickness direction of the display panel, the second support column and the first protrusion structure at least partially overlap; The groove surrounds the cross-shaped protrusion structure and the first protrusion structure; Along the extension direction of the gate line, the width of the surface of the second support post near the liquid crystal layer is greater than the width of the surface of the first protrusion structure near the liquid crystal layer; along the extension direction of the data line, the width of the surface of the second support post near the liquid crystal layer is greater than the width of the surface of the first protrusion structure near the liquid crystal layer.

16. The display panel according to claim 1, characterized in that, The first substrate includes gate lines; Along the extension direction of the gate line, the width of the surface of the second support post near the liquid crystal layer is d5, and the distance between two adjacent first openings is d6, where d5 > d6.

17. A display device, characterized in that, Includes the display panel as described in any one of claims 1 to 16.

Images