CN111477109B - Display panel and display device - Google Patents
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- CN111477109B CN111477109B CN202010370119.3A CN202010370119A CN111477109B CN 111477109 B CN111477109 B CN 111477109B CN 202010370119 A CN202010370119 A CN 202010370119A CN 111477109 B CN111477109 B CN 111477109B
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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Abstract
The embodiment of the invention provides a display panel and a display device, relates to the technical field of display, reduces the risk of external water vapor permeating into the panel, and improves the stability and reliability of the display panel when a display screen is displayed. The display panel includes: the display device comprises a display area and a non-display area surrounding the display area, wherein the non-display area comprises a straight non-display area and a corner non-display area, and two adjacent straight non-display areas are communicated through the corner non-display area; the array substrate and the box aligning substrate are oppositely arranged, one side of the array substrate, facing the box aligning substrate, is provided with a planarization layer, and the planarization layer extends from the display area to the non-display area; the sealant is positioned between the array substrate and the box aligning substrate and positioned in the non-display area; the planarization layer comprises a first flat part, and the first flat part is a part of the planarization layer, which is overlapped with the sealant; the first flat part is provided with a first slit, the first slit is only arranged on the part, located in the flat non-display area, of the first flat part, and the sealant is recessed in the first slit.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of display, in particular to a display panel and a display device.
[ background of the invention ]
The display panel comprises an array substrate and a box-aligning substrate which are oppositely arranged, wherein a planarization layer used for realizing film planarization is arranged on the array substrate, the planarization layer extends to a non-display area from the display area, a sealant used for packaging is further arranged between the array substrate and the box-aligning substrate, and the sealant and the planarization layer are overlapped in the non-display area. In the prior art, the sealant and the planarization layer are easy to separate, so that external water vapor permeates into the display panel, and the problems of foreign matters or bubbles and the like occur in the panel, thereby affecting the display performance.
Particularly, in the field of vehicle-mounted display, the requirement on the reliability of a display panel in the vehicle-mounted display device is far higher than that of display devices such as mobile phones and flat panels, and if the vehicle-mounted display panel has a problem, the safety of a driver is seriously damaged.
[ summary of the invention ]
In view of this, embodiments of the present invention provide a display panel and a display device, which reduce the risk of external moisture permeating into the display panel, and improve the stability and reliability of the display panel when displaying a screen.
In one aspect, an embodiment of the present invention provides a display panel, including:
the display device comprises a display area and a non-display area surrounding the display area, wherein the non-display area comprises a straight non-display area and a corner non-display area, and two adjacent straight non-display areas are communicated through the corner non-display area;
the array substrate and the box aligning substrate are oppositely arranged, one side of the array substrate, facing the box aligning substrate, is provided with a planarization layer, and the planarization layer extends from the display area to the non-display area;
the sealant is positioned between the array substrate and the box aligning substrate and positioned in the non-display area;
the planarization layer comprises a first flat part, and the first flat part is a part of the planarization layer, which is overlapped with the sealant; the first flat part is provided with a first slit, the first slit is only arranged on the part, located in the flat non-display area, of the first flat part, and the sealant is recessed in the first slit.
In another aspect, an embodiment of the present invention provides a display device, including the display panel described above.
One of the above technical solutions has the following beneficial effects:
in the technical solution provided in the embodiment of the present invention, compared with the corner non-display area located at the corner of the display panel, the area of the flat non-display area is larger, and therefore, when the first slit is disposed at the portion of the first flat portion located in the flat non-display area, the area of the first slit is correspondingly larger, so that the sealant recessed in the first slit has a larger contact area with the planarization layer, and the bonding force between the sealant and the planarization layer is larger, thereby preventing the sealant in the flat non-display area from separating from the planarization layer, and improving the packaging stability.
For the corner non-display area, due to the fact that the thermal expansion coefficients of the frame glue material forming the sealing glue and the organic material forming the planarization layer are different, if the first slit is also arranged in the portion, located in the corner non-display area, of the first flat portion, the sealing glue and the planarization layer in the corner non-display area are affected by expansion in the first direction and the second direction, the sealing glue and the planarization layer are prone to being separated from the first slit, and therefore external water vapor permeates into the panel through the slit. Therefore, in the embodiment of the invention, the first slit is only arranged on the part, positioned in the flat non-display area, of the first flat part and is not arranged on the part, positioned in the corner non-display area, of the first flat part, so that the part, positioned in the corner non-display area, of the first flat part is not provided with the slit, and therefore, the problem that the sealant and the planarization layer are separated from the slit can be avoided in the corner non-display area, and the problem that the film layer in the area, which is most prone to water vapor permeation, is separated is effectively improved.
Therefore, the display panel provided by the embodiment of the invention considers the packaging reliability and the bonding force of the sealant, can avoid the problem of film layer separation of the corner non-display area which most easily causes the permeation of external water vapor, and can increase the bonding force of the sealant and the planarization layer in the flat non-display area, thereby effectively improving the stability of the sealant in the corner non-display area and the flat non-display area, reducing the risk of the permeation of the external water vapor into the display panel, further reducing the occurrence of problems of foreign matters, bubbles and the like in the display panel, and improving the stability and reliability of the display panel when displaying the picture.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A1-A2 of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B1-B2 of FIG. 1;
fig. 4 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view taken along the line C1-C2 of FIG. 4;
FIG. 6 is another cross-sectional view taken along the line C1-C2 of FIG. 4;
fig. 7 is a schematic structural diagram of a display panel according to an embodiment of the invention;
FIG. 8 is a cross-sectional view taken along line D1-D2 of FIG. 7;
fig. 9 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
FIG. 10 is a cross-sectional view taken along the line E1-E2 of FIG. 9;
FIG. 11 is a cross-sectional view taken along the line F1-F2 in FIG. 9;
fig. 12 is a schematic structural diagram of a display panel according to an embodiment of the invention;
fig. 13 is a schematic structural diagram of a display panel according to an embodiment of the invention;
fig. 14 is a schematic structural diagram of a display panel according to an embodiment of the invention;
FIG. 15 is another cross-sectional view taken in the direction G1-G2 of FIG. 14;
fig. 16 is a schematic structural diagram of a display device according to an embodiment of the present invention.
[ detailed description ] embodiments
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It should be understood that although the terms first and second may be used to describe the slits, the flat portions, the film layer portions, the light shielding portions, and the like in the embodiments of the present invention, these slits, flat portions, film layer portions, light shielding portions should not be limited to these terms. These terms are only used to distinguish the slits, the flat portions, the film layer portions, the light shielding portions from each other. For example, a first slit may also be referred to as a second slit, and similarly, a second slit may also be referred to as a first slit, without departing from the scope of embodiments of the present invention.
An embodiment of the present invention provides a display panel, as shown in fig. 1 to fig. 3, fig. 1 is a schematic structural diagram of the display panel provided in the embodiment of the present invention, fig. 2 is a sectional view taken along a direction a1-a2 in fig. 1, and fig. 3 is a sectional view taken along a direction B1-B2 in fig. 1, where the display panel includes: the display device comprises a display area 1 and a non-display area 2 surrounding the display area 1, wherein the non-display area 2 comprises a straight non-display area 3 and a corner non-display area 4, two adjacent straight non-display areas 3 are communicated through the corner non-display area 4, the edge of each straight non-display area 3 is a linear edge, and the edge of each corner non-display area 4 can be a non-linear edge; the array substrate 5 and the opposite box substrate 6 are oppositely arranged, one side of the array substrate 5 facing the opposite box substrate 6 is provided with a planarization layer 7 for realizing film layer planarization, and the planarization layer 7 extends from the display area 1 to the non-display area 2; the sealant 8 is positioned between the array substrate 5 and the box aligning substrate 6, and the sealant 8 is positioned in the non-display area 2; the planarization layer 7 comprises a first flat part 9, and the first flat part 9 is a part of the planarization layer 7, which is overlapped with the sealant 8; the first flat portion 9 is provided with a first slit 10, the first slit 10 is only provided in a portion of the first flat portion 9 located in the flat non-display region 3, and the sealant 8 is recessed in the first slit 10, that is, a portion of the sealant 8 is recessed in the first slit 10, and the portion of the sealant 8 is in contact with the planarization layer 7.
In the display panel provided in the embodiment of the invention, compared with the corner non-display area 4 located at the corner of the display panel, the area of the flat non-display area 3 is larger, and therefore, when the first slit 10 is disposed at the portion of the first flat portion 9 located at the flat non-display area 3, the area of the first slit 10 is correspondingly larger, so that the sealant 8 recessed in the first slit 10 has a larger contact area with the planarization layer 7, the bonding force between the sealant 8 and the planarization layer 7 is larger, the sealant 8 in the flat non-display area 3 is prevented from being separated from the planarization layer 7, and the packaging stability is improved.
For the corner non-display area 4, because the thermal expansion coefficients of the sealant 8 and the organic material forming the planarization layer 7 are different, if the first slit 10 is also formed in the portion of the first flat portion 9 located in the corner non-display area 4, the sealant 8 and the planarization layer 7 in the corner non-display area 4 are easily separated from each other at the first slit 10 due to the expansion effect in the first direction and the second direction, so that the external moisture permeates into the panel through the slit. Therefore, in the embodiment of the invention, the first slit 10 is only arranged at the portion, located in the flat non-display area 3, of the first flat portion 9, so that no slit is arranged at the portion, located in the corner non-display area 4, of the first flat portion 9, and thus, the problem that the sealant 8 and the planarization layer 7 are separated at the slit can be avoided in the corner non-display area 4, and the problem that the film layer in the area where the moisture permeates is most easily separated is effectively improved.
Therefore, the display panel provided by the embodiment of the invention considers the packaging reliability and the bonding force of the sealant 8, can avoid the problem of film layer separation of the corner non-display area 4 which most easily causes external water vapor permeation, and can increase the bonding force of the sealant 8 and the planarization layer 7 in the straight non-display area 3, thereby effectively improving the stability of the sealant 8 in the corner non-display area 4 and the straight non-display area 3, reducing the risk of external water vapor permeation into the display panel, further reducing the problems of foreign matters, bubbles and the like in the display panel, and improving the stability and reliability of the display panel when displaying a picture.
Alternatively, as shown in fig. 4 and 5, fig. 4 is another schematic structural diagram of the display panel provided in the embodiment of the present invention, fig. 5 is a cross-sectional view taken along a direction C1-C2 in fig. 4, and the first flat part 9 includes a first film layer part 11 and a second film layer part 12 surrounding the first film layer part 11; the first film portion 11 is an organic film, and the second film portion 12 is an inorganic film, wherein the second film portion 12 may be formed of an inorganic material such as silicon nitride, silicon oxide, or the like.
Because the compactness of the inorganic material that forms inorganic rete is higher, water vapor isolation ability is superior to organic material's water vapor isolation ability, consequently, set up first rete part 11 outlying second rete part 12 into inorganic rete, even external water oxygen infiltration planarization layer 7, also can utilize second rete part 12 that the isolation effect is more excellent in planarization layer 7 to effectively keep apart external water vapor, further avoid external water vapor to permeate first rete part 11 via second rete part 12, and then permeate the panel inside.
Further, as shown in fig. 6, fig. 6 is another cross-sectional view taken along the direction C1-C2 in fig. 4, the array substrate 5 is further provided with a peripheral trace 13 and an electrostatic discharge trace 14, the peripheral trace 13 and the electrostatic discharge trace 14 are located in the non-display area 2, and the electrostatic discharge trace 14 is located on a side of the peripheral trace 13 away from the display area 1; the peripheral trace 13 includes a metal trace for forming a peripheral driving circuit (e.g., a gate driving circuit) or a metal trace for providing a control signal to the peripheral driving circuit, and the static electricity discharge trace 14 may be a ground signal line for guiding out static electricity in the display panel to improve the antistatic capability of the display panel.
On the basis, the second film layer part 12 is located on one side of the electrostatic discharge trace 14 away from the display area 1, on one hand, the second film layer part 12 formed by inorganic materials can be used for isolating external water vapor more effectively, and the risk that the external water vapor permeates into the panel is reduced; on the other hand, the non-conductive film layer located between the metal film layers in the display panel, for example, the material characteristics of the planarization layer 7 may affect the coupling capacitance between the metal film layers, the planarization layer 7 covering the peripheral trace 13 may be the first film layer portion 11 formed by the organic material by disposing the second film layer portion 12 formed by the inorganic material on the side of the electrostatic discharge trace 14 away from the display area 1, and the film layer contact environment of the peripheral trace 13 is close to the film layer contact environment of the peripheral trace in the existing display panel, so that the coupling capacitance of the peripheral trace 13 is consistent with the coupling capacitance of the peripheral trace in the existing display panel, and the influence on the signal transmitted on the peripheral trace 13 is avoided.
Further, referring to fig. 5 and 6 again, the first slit 10 is located in the first film layer portion 11 of the flat non-display area 3, at this time, the sealant 8 is in contact with the first film layer portion 11 formed by the organic material in the first slit 10, and the adhesive property of the sealant material forming the sealant 8 and the organic material is higher, so that the sealant 8 is in contact with the first film layer portion 11, the bonding force between the sealant 8 and the planarization layer 7 can be increased, the risk that the sealant 8 is separated from the planarization layer 7 is reduced, and the risk that external moisture permeates into the display panel through the first slit 10 is reduced.
Alternatively, as shown in fig. 7 and 8, fig. 7 is still another schematic structural diagram of the display panel according to the embodiment of the present invention, fig. 8 is a cross-sectional view taken along direction D1-D2 of fig. 7, and the first flat portion 9 is an inorganic film layer, at this time, even if external water and oxygen penetrate into the planarization layer 7, since the first flat portion 9 is formed by an inorganic material with high density, a transmission path of external water vapor in the inorganic film layer is long, and further penetration into the panel is difficult, so that a risk of external water vapor penetrating into the panel is reduced.
Alternatively, as shown in fig. 9 to 11, fig. 9 is a schematic structural diagram of a display panel according to an embodiment of the present invention, fig. 10 is a cross-sectional view taken along a direction E1-E2 in fig. 9, fig. 11 is a cross-sectional view taken along a direction F1-F2 in fig. 9, a black matrix 15 for defining a light emitting region is disposed on a side of the cartridge substrate 6 facing the array substrate 5, and the black matrix 15 extends from the display region 1 to the non-display region 2; the black matrix 15 includes a first light-shielding portion 16, the first light-shielding portion 16 is a portion of the black matrix 15 overlapped with the sealant 8, the first light-shielding portion 16 includes a first sub-light-shielding portion 17 and a second sub-light-shielding portion 18, the first sub-light-shielding portion 17 is located in the flat non-display area 3, and the second sub-light-shielding portion 18 is located in the corner non-display area 4; the first sub-shielding portions 17 are provided with second slits 19, and at least a part of the second sub-shielding portions 18 are not provided with the second slits 19. Note that, the black matrix 15 is further provided with a liquid glue 20 on a side facing away from the cartridge substrate 6.
By providing the second slits 19 in the first sub-shielding portions 17, the electrostatic charge in the display panel can be discharged by the second slits 19, and the electrostatic charge can be prevented from accumulating inside the panel and causing breakdown of devices inside the panel. Moreover, by not arranging the second slits 19 on at least a portion of the second sub-shielding portions 18 located in the corner non-display area 4, the risk of external moisture permeating into the interior of the panel through the second slits 19 of the corner non-display area 4 can be reduced, so as to further prevent the display area near the corner non-display area 4 from being affected by the external moisture.
Optionally, as shown in fig. 12, fig. 12 is another schematic structural diagram of the display panel according to the embodiment of the present invention, in which the flat non-display area 3 includes a first sub-flat area 21, and a chip bonding area 22 is disposed in the first sub-flat area 21; the corner non-display area 4 includes a first sub-corner area 23 and a second sub-corner area 24, the first sub-corner area 23 is located at two sides of the first sub-flat area 21 in a first direction, and the first direction is perpendicular to the arrangement direction of the display area 1 and the first sub-flat area 21; the corner non-display area 4 comprises an inner edge 25 and an outer edge 26, the inner edge 25 is positioned on one side of the outer edge 26 facing the display area 1, the distance between the inner edge 25 and the outer edge 26 in the first sub-corner area 23 is L1, the distance between the inner edge 25 and the outer edge 26 in the second sub-corner area 24 is L2, and L1 is greater than L2; the second slits 19 extend from the first sub-shielding portion 17 to the portion of the second sub-shielding portion 18 located at the first sub-corner region 23, and the portion of the second sub-shielding portion 18 located at the second sub-corner region 24 is not provided with the second slits 19.
It should be noted that, referring to fig. 13, fig. 13 is a schematic structural diagram of a display panel according to an embodiment of the present invention, a plurality of data lines 27 are disposed in a display area 1 of the display panel, the second direction is parallel to an arrangement direction of the display area 1 and a first sub-flat area 21, a driving chip 28 is bonded in a chip bonding area 22, the data lines 27 are connected to the driving chip 28 through connecting traces 30 located in the first sub-flat area 21 and a first sub-corner area 23, therefore, compared with a second sub-corner area 24, the number of the connecting traces 30 in the first sub-corner area 23 is larger, which results in a larger distance between an inner edge 25 and an outer edge 26 in the first sub-corner area 23, and then, if external moisture permeating through the first sub-corner area 23 further permeates into the panel, a longer path needs to be transmitted, therefore, the risk of the moisture permeating into the panel is small, and therefore, even if the second slit 19 is extended to the portion of the second sub-shielding portion 18 located in the first sub-corner region 23, the second slit 19 does not have a great influence on the permeation of the moisture. Moreover, the second slits 19 are arranged at the parts of the second sub-shading parts 18 positioned at the first sub-corner regions 23, so that the static charge leading-out path can be enlarged, the static charge in the display panel can be led out more quickly, the risk of breakdown of the device due to static charge accumulation is reduced, and the antistatic capability of the display panel is further improved. In addition, since the distance between the inner edge 25 and the outer edge 26 in the second sub-corner region 24 is small, the transmission path of the external water vapor penetrating into the panel through the second sub-corner region 24 is short, and thus, by not providing the second slit 19 in the second sub-shading portion 18 at the second sub-corner region 24, the second slit 19 can be prevented from providing a penetration path for the external water vapor, and the risk of the external water vapor penetrating into the panel from the region is reduced.
Optionally, as shown in fig. 14, fig. 14 is a schematic structural diagram of a display panel according to another embodiment of the present invention, fig. 15 is another cross-sectional view taken along a direction G1-G2 in fig. 14, a retaining wall 29 is further disposed between the array substrate 5 and the opposing box substrate 6, the retaining wall 29 is located in the corner non-display area 4, and the retaining wall 29 is located on a side of the sealant 8 facing the display area 1, such that even though external moisture permeates through the sealant 8, the retaining wall 29 can further isolate the external moisture, thereby preventing the external moisture from further permeating into the panel.
Further, referring to fig. 14 and fig. 15 again, in order to isolate the external water vapor to a greater extent and further prevent the devices inside the panel from being corroded by the water vapor, a plurality of retaining walls 29 are disposed in each corner non-display region 4, and the plurality of retaining walls 29 are arranged along the direction of the geometric central point O of the corner non-display region 4 facing the display region 1.
The embodiment of the invention also provides a display device which comprises the display panel. Specifically, the display device may be an on-vehicle display screen, an electronic display device such as a mobile phone, a computer, or a television, and when the display device is used as an on-vehicle display screen, the display device may be applied to a vehicle such as an automobile, a ship, or an airplane, for example, as shown in fig. 16, fig. 16 is a schematic structural diagram of the display device provided in the embodiment of the present invention, the display device 100 includes the display panel 200, and the display device 100 may be independent of an inherent structure in the automobile, or may be integrated with other structures in the automobile, such as being integrated with a front windshield or being integrated with a table top around an instrument panel, which is not limited in the embodiment of the present invention.
Because the display device 100 provided by the embodiment of the invention comprises the display panel 200, the display device 100 considers the packaging reliability and the bonding force of the sealant 8, can avoid the problem of film layer separation of the corner non-display area 4 which most easily causes the permeation of external water vapor, and can increase the bonding force of the sealant 8 and the planarization layer 7 in the straight non-display area 3, thereby effectively improving the stability of the sealant 8 in the corner non-display area 4 and the straight non-display area 3, reducing the risk of the permeation of external water vapor into the display panel, further reducing the occurrence of problems of foreign matters, bubbles and the like in the display panel, and improving the stability and reliability of the display device in displaying a picture.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A display panel, comprising:
the display device comprises a display area and a non-display area surrounding the display area, wherein the non-display area comprises a straight non-display area and a corner non-display area, and two adjacent straight non-display areas are communicated through the corner non-display area;
the array substrate and the box aligning substrate are oppositely arranged, one side of the array substrate, facing the box aligning substrate, is provided with a planarization layer, and the planarization layer extends from the display area to the non-display area;
the sealant is positioned between the array substrate and the box aligning substrate and positioned in the non-display area;
the planarization layer comprises a first flat part, and the first flat part is a part of the planarization layer, which is overlapped with the sealant; the first flat part is provided with a first slit, the first slit is only arranged on the part, located in the flat non-display area, of the first flat part, and the sealant is recessed in the first slit;
the first flat portion includes a first film portion and a second film portion surrounding the first film portion, the first film portion is an organic film, and the second film portion is an inorganic film.
2. The display panel according to claim 1, wherein the array substrate is further provided with peripheral traces and electrostatic discharge traces, the peripheral traces and the electrostatic discharge traces are located in the non-display area, and the electrostatic discharge traces are located on a side of the peripheral traces away from the display area;
the second film layer part is positioned on one side of the electrostatic discharge wire, which is far away from the display area.
3. The display panel of claim 1, wherein the first slit is located in the first film layer portion of the flat non-display area.
4. The display panel according to claim 1, wherein a side of the pair of cell substrates facing the array substrate is provided with a black matrix extending from the display region to the non-display region;
the black matrix comprises a first shading part, the first shading part is a part of the black matrix, which is overlapped with the sealant, the first shading part comprises a first sub shading part and a second sub shading part, the first sub shading part is positioned in the flat non-display area, and the second sub shading part is positioned in the corner non-display area;
the first sub-shading part is provided with a second slit, and at least part of the second sub-shading part is not provided with the second slit.
5. The display panel according to claim 4, wherein the flat non-display area comprises a first sub-flat area, and a chip bonding area is arranged in the first sub-flat area;
the corner non-display area comprises a first sub-corner area and a second sub-corner area, the first sub-corner area is positioned on two sides of the first sub-straight area in a first direction, and the first direction is perpendicular to the arrangement direction of the display area and the first sub-straight area;
the corner non-display area includes an inner edge and an outer edge, the inner edge is located at a side of the outer edge facing the display area, and a distance between the inner edge and the outer edge in the first sub-corner area is greater than a distance between the inner edge and the outer edge in the second sub-corner area;
the second slit extends from the first sub light shielding part to a part of the second sub light shielding part located in the first sub corner area, and the part of the second sub light shielding part located in the second sub corner area is not provided with the second slit.
6. The display panel according to claim 1, wherein a retaining wall is further disposed between the array substrate and the opposite-box substrate, the retaining wall is located in the corner non-display area, and the retaining wall is located on a side of the sealant facing the display area.
7. The display panel according to claim 6, wherein a plurality of the retaining walls are disposed in each of the corner non-display regions, and the retaining walls are arranged along the corner non-display region toward a geometric center of the display region.
8. A display device comprising the display panel according to any one of claims 1 to 7.
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| CN202010370119.3A CN111477109B (en) | 2020-04-30 | 2020-04-30 | Display panel and display device |
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| CN202010370119.3A CN111477109B (en) | 2020-04-30 | 2020-04-30 | Display panel and display device |
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| CN114518668A (en) * | 2020-11-19 | 2022-05-20 | 京东方科技集团股份有限公司 | Backlight module, manufacturing method and display device |
| CN112687723A (en) * | 2020-12-24 | 2021-04-20 | 友达光电（昆山）有限公司 | Display panel and display device |
| CN113867025B (en) * | 2021-09-23 | 2024-01-23 | 武汉华星光电技术有限公司 | Display panel and mobile terminal |
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| CN107193161A (en) * | 2017-07-28 | 2017-09-22 | 武汉华星光电技术有限公司 | Array base palte and display panel |
| CN107544175A (en) * | 2017-09-27 | 2018-01-05 | 京东方科技集团股份有限公司 | A kind of substrate and display device |
| CN207637803U (en) * | 2017-12-26 | 2018-07-20 | 上海和辉光电有限公司 | A kind of display panel and display device |
| CN110350013A (en) * | 2019-07-15 | 2019-10-18 | 京东方科技集团股份有限公司 | Display device, display panel and its manufacturing method |
| CN110824785A (en) * | 2019-10-28 | 2020-02-21 | 武汉华星光电技术有限公司 | Display panel and display device |
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| CN107193161A (en) * | 2017-07-28 | 2017-09-22 | 武汉华星光电技术有限公司 | Array base palte and display panel |
| CN107544175A (en) * | 2017-09-27 | 2018-01-05 | 京东方科技集团股份有限公司 | A kind of substrate and display device |
| CN207637803U (en) * | 2017-12-26 | 2018-07-20 | 上海和辉光电有限公司 | A kind of display panel and display device |
| CN110350013A (en) * | 2019-07-15 | 2019-10-18 | 京东方科技集团股份有限公司 | Display device, display panel and its manufacturing method |
| CN110824785A (en) * | 2019-10-28 | 2020-02-21 | 武汉华星光电技术有限公司 | Display panel and display device |
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