CN110515247A - Display panel and display device - Google Patents
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- CN110515247A CN110515247A CN201910807185.XA CN201910807185A CN110515247A CN 110515247 A CN110515247 A CN 110515247A CN 201910807185 A CN201910807185 A CN 201910807185A CN 110515247 A CN110515247 A CN 110515247A
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- 230000000007 visual effect Effects 0.000 description 6
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- 239000004973 liquid crystal related substance Substances 0.000 description 4
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
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Abstract
The invention provides a display panel and a display device. The display panel comprises a display area and a non-display area, and the display area surrounds the non-display area; the non-display area is provided with at least two through holes penetrating through the display panel, the through holes are arranged along a second direction, and the non-display area further comprises a first non-display area positioned between the two through holes; the display panel further comprises a plurality of first signal lines extending along the first direction, each first signal line comprises a first signal line A and a first signal line B, each first signal line B penetrates through the display area to extend, each first signal line A comprises at least two first signal lines A and connecting lines, each connecting line is used for connecting the two first signal lines A, each connecting line comprises a first connecting line, each first signal line A is located in the display area, and each first connecting line is located in a first non-display area. According to the invention, at least part of the connecting lines are arranged between the two through holes, so that the distance between the through holes and the display area in the second direction can be reduced, the screen occupation ratio is improved, and the display effect of the display panel is improved.
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 ]
In the conventional display device technology, the display panel is mainly divided into two mainstream technologies, namely a liquid crystal display panel and an organic light emitting display panel. The liquid crystal display panel forms an electric field capable of controlling the deflection of liquid crystal molecules by applying voltage on the pixel electrode and the common electrode, and further controls the transmission of light rays to realize the display function of the liquid crystal display panel; the organic self-luminous display panel adopts an organic electroluminescent material, and when current passes through the organic electroluminescent material, the luminescent material can emit light, so that the display function of the organic electroluminescent display panel is realized.
With the application of display technology in intelligent wearing and other portable electronic devices, smooth use experience of users is continuously pursued in the aspect of electronic product design, meanwhile, better visual experience is also pursued more and more, and high screen occupation ratio becomes the focus of current research.
[ summary of the invention ]
In view of this, embodiments of the present invention provide a display panel and a display device, so as to solve the technical problem of increasing the screen ratio in the prior art.
In one aspect, an embodiment of the present invention provides a display panel, including a display area and a non-display area, where the display area surrounds the non-display area; the non-display area is provided with at least two through holes penetrating through the display panel, the through holes are arranged along a second direction, and the non-display area further comprises a first non-display area positioned between the two through holes;
the display device also comprises a plurality of first signal wires extending along the first direction, the first direction is vertical to the second direction, the first signal wires comprise first A signal wires and first B signal wires, the first B signal wires are arranged by extending through the display area, the first A signal wires comprise at least two first A signal wires and connecting wires, the connecting wires are used for connecting the two first A signal wires, the connecting wires comprise first connecting wires, wherein,
the first signal line is located in the display area, and the first connecting line is located in the first non-display area.
On the other hand, based on the same inventive concept, embodiments of the present invention provide a display device including the display panel provided in any embodiment of the present invention.
The display panel and the display device provided by the embodiment of the invention have the following beneficial effects: compared with the related art, the display panel provided by the invention has the advantages that the number of the connecting lines arranged between the through holes and the display area can be reduced, the space between the through holes and the display area in the second direction can be saved, the internal frame of the display panel is narrowed, the screen occupation ratio is favorably improved, and the display effect of the display panel is improved.
[ 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 partial schematic view of a display panel according to the related art;
FIG. 2 is a partial schematic view of a display panel according to an embodiment of the present invention;
FIG. 3 is a partial schematic view of an alternative embodiment of a display panel according to an embodiment of the invention;
FIG. 4 is a partial schematic view of another alternative embodiment of a display panel according to an embodiment of the present invention;
FIG. 5 is a partial schematic view of another alternative embodiment of a display panel according to an embodiment of the invention;
FIG. 6 is a partial schematic view of another alternative embodiment of a display panel according to an embodiment of the present invention;
FIG. 7 is a partial schematic view of another alternative embodiment of a display panel according to an embodiment of the invention;
FIG. 8 is a partial schematic view of another alternative embodiment of a display panel according to an embodiment of the present invention;
fig. 9 is a schematic diagram of a film structure of a display panel according to an embodiment of the invention;
FIG. 10 is a schematic diagram of another alternative embodiment of a display panel according to an embodiment of the present invention;
FIG. 11 is a schematic diagram of another alternative embodiment of a display panel according to an embodiment of the present invention;
FIG. 12 is a partial schematic view of another alternative embodiment of a display panel according to an embodiment of the invention;
fig. 13 is a schematic view 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.
Fig. 1 is a partial schematic view of a display panel in the related art. In a display device with dual front cameras, as shown in fig. 1, the substrate of the display panel is cut off, a through hole K' is formed in the display panel, and the dotted line indicates the position of the camera when the display device is assembled. Due to the arrangement of the through hole K ', a gap exists in the display area AA ' of the display panel, and in order to realize normal display of the display areas AA ' on the two sides of the through hole K ', the signal lines X ' on the two sides of the through hole K ' in the display area AA ' need to be electrically connected. The current design is that a plurality of winding wires S ' are arranged on the left side and the right side of a through hole K ', the plurality of winding wires S ' occupy larger space around the through hole K ' to form a frame area B ' surrounding the through hole K ', the width of the frame area B ' is wider, the screen occupation ratio is influenced, and the display visual effect of the display panel is poor.
Based on the above, the invention provides the display panel, at least two adjacent through holes are arranged in the display panel by changing the arrangement mode of the through holes and the connecting lines, and at least part of the connecting lines are arranged between the two through holes, so that the number of the connecting lines arranged between the through holes and the display area is reduced, the connecting lines are arranged in a dispersed manner, the width of an inner frame at the position of the through holes is favorably narrowed, and the screen occupation ratio is improved.
Fig. 2 is a partial schematic view of a display panel according to an embodiment of the invention. As shown in fig. 2, the display panel includes a display area AA and a non-display area BA, the display area AA surrounds the non-display area BA; the non-display area BA has at least two through holes K penetrating through the display panel, the through holes K are arranged along the second direction y, optionally, when the display device is assembled, an image acquisition device and/or a sound generation device in the display device are overlapped with the through holes K, for example, in the display device provided with two front cameras, the display panel provided by the invention reserves a through hole for each of the two cameras to transmit light, that is, one camera corresponds to one through hole. The non-display area BA further includes a first non-display area BA1 located between the two through holes K. It should be noted that, in the present invention, the shape of the through hole K is not limited, and the through hole K may be a circle, a triangle, or a square, and may be selected according to specific design requirements in practice, and is only schematically shown in fig. 1. Similarly, the shape of the first non-display area BA1 located between the two through holes K may be adaptively adjusted according to the shape of the through holes.
The display panel further includes a plurality of first signal lines extending along the first direction X, where the first signal lines are signal lines for driving pixels in the display area AA to display, the first direction X is perpendicular to the second direction y, the first signal lines include a first a signal line X1a and a first b signal line X1b, and the first b signal line X1b extends through the display area AA, that is, the first b signal line X1b is a signal line conventionally disposed in the display area AA. First signal line X1a includes two at least first signal line Z and connecting wire M, connecting wire M is used for connecting two first signal line Z, also be the signal line that first signal line X1a need carry out special line design for the signal line that needs after setting up through-hole K in the display panel, first signal line X1a is ending in the position department at through-hole K place after setting up through-hole K in the display panel, first signal line X1a is divided into the connecting wire M that is located the first signal line Z of through-hole K both sides and connects two first signal line Z. The connection line M includes a first connection line M1, wherein the first sub-signal line Z is located in the display area AA, and the first connection line M1 is located in the first non-display area BA 1.
The display area in the display panel provided by the invention surrounds the non-display area, namely the non-display area which does not display is arranged in the display area, wherein the non-display area at least comprises the through hole and the first non-display area, the through hole is a reserved module setting area, and when the display device is assembled, the image acquisition device and/or the sound production device can be arranged at the position corresponding to the through hole. The display panel is required to be cut when the through holes are formed, the substrate base plate and film layers such as the array layer and the display layer above the substrate base plate are all cut off, and the first non-display area between every two adjacent through holes is equivalent to a part of wiring area in the non-display area. As illustrated in fig. 2, a second non-display area BA2 located at a side of the through hole K away from the first non-display area BA1 in the second direction y is further included in the non-display area, the second non-display area BA2 is at least partially disposed around the through hole K, and the second non-display area BA2 corresponds to an inner border between the through hole K and the display area AA. The extending direction of the first signal lines in the display panel is perpendicular to the arrangement direction of the through holes, due to the arrangement of the through holes, part of the first signal lines (namely, the first signal lines) in the display area can be cut off at the positions of the through holes, and in order to enable pixels located on two sides of the through holes in the first direction to display normally, connecting lines are arranged in the non-display area and used for connecting two first signal lines located on two sides of the non-display area in the first direction.
In the display panel of the related art, a through hole is usually reserved for two or more modules, as shown in fig. 1, a plurality of winding lines S' (corresponding to the connection line M in the embodiment of the present invention) need to be disposed around the through hole on two sides of the through hole, which occupies a larger space, so that a larger-area non-display area (corresponding to the second non-display area BA2 in the embodiment of the present invention) also exists between the through hole and the display area, which correspondingly occupies an area of the display area, and reduces a display light-emitting area. The display panel provided by the invention is provided with two or more through holes, and a module setting area can be reserved for one module, namely one module corresponds to one through hole. According to the invention, the substrate base plate between two adjacent through holes is reserved, and the wiring (such as the first connecting wire in the invention) can be arranged on the substrate base plate to form the first non-display area, namely the first connecting wire is wired between two adjacent through holes. Optionally, in the display panel provided in the embodiment of the present invention, all the connection lines may be disposed in the first non-display region, and the through holes penetrate through the display panel, so that the through holes cannot display, that is, in the present invention, the connection lines are disposed between two non-display through holes, and human eyes are not sensitive to the non-display region between the two non-display through holes during display, so that the connection lines are disposed in the first non-display region, and the overall visual effect is not affected. According to the invention, at least part of the connecting lines are arranged between the two adjacent through holes for wiring, so that the number of the connecting lines arranged between the through holes and the display area can be reduced, the space between the through holes and the display area in the second direction can be saved, the internal frame of the display panel is narrowed, the screen occupation ratio is favorably improved, and the display effect of the display panel is improved.
Optionally, in the display panel provided in the embodiment of the present invention, the connecting lines and the first signal lines are made of the same material in the same layer. Namely, the connecting wire and the first signal wire can be manufactured in the same process, and the process can be simplified.
Further, as shown with continued reference to fig. 2, the non-display area BA further includes a second non-display area BA2 located on a side of the through hole K away from the first non-display area BA1, the second non-display area BA2 at least partially surrounding the through hole K; the second non-display area BA2 corresponds to an inner border between the through hole K and the display area AA. The connecting lines M further include a second connecting line M2, and the second connecting line M2 is located in the second non-display area BA 2. In the display panel provided by this embodiment, the connection lines include both the first connection lines located in the first non-display area and the second connection lines located in the second non-display area, which is equivalent to disposing the connection lines in a dispersed manner, so that the number of connection lines disposed in the second non-display area can be reduced, and the space of the second non-display area can be saved. In addition, all be provided with the connecting wire in first non-display area and second non-display area in this embodiment, can balance the interior line number of walking of first non-display area and second non-display area, can obviously not increase the spacing distance between two through-holes, do not influence visual effect, also can obviously not increase the distance between through-hole and the display area (be the second non-display area) in the second direction simultaneously, be favorable to narrowing display panel's inside frame, increase the light emitting area in display area, can improve the screen area, promote display panel's display effect.
In some optional embodiments, in the display panel provided in the embodiments of the present invention, all the connection lines may be disposed between two adjacent through holes for routing, that is, no connection line is disposed in the second non-display area, so that the space of the second non-display area can be saved to the maximum extent, and the illustration of the drawing is not repeated for this embodiment.
In one embodiment, as shown with continued reference to fig. 2, the non-display area BA includes two second non-display areas BA2, and the number of the second connecting lines M2 respectively disposed in the two second non-display areas BA2 is equal. In this embodiment, at first including the first connecting wire that is located first non-display area, set up some connecting wires between two adjacent through-holes and walk the line, can reduce the figure of the second connecting wire that sets up in the second non-display area, can save the space in second non-display area, be favorable to narrowing display panel's inside frame. In addition, the number of the second connecting lines arranged in the two second non-display areas is equal, the space occupied by the connecting lines in the two second non-display areas is the same, the size of the two second non-display areas can be guaranteed to be consistent, the width of the inner frames on the two sides of the through hole is consistent, and the visual effect displayed by the display panel can be improved.
In the display panel provided by the invention, the first connecting lines are wired between the two adjacent through holes, and the arrangement of the first connecting lines can be in various conditions. For example, the first connection line may be aligned with an extending direction of the conventional first signal line in the display area, or the first connection line may be routed around an edge of the through hole in the first non-display area. When the first connection line is routed around the edge of the through hole, a difference may occur between the total length of the first a signal line and the total length of the first b signal line which is conventionally arranged, and further, a difference may occur in resistance, which causes a difference in voltage drop when transmitting signals, and finally, a difference may occur in pixel display driven by the first a signal line and the first b signal line respectively. The inventor comprehensively considers the above situation, and further designs the first connecting line and the corresponding line width in the display panel on the basis of arranging the first connecting line between two adjacent through holes so as to reduce the internal frame lifting screen occupation ratio of the display panel. The following examples will illustrate specific cases. It should be noted that the line widths referred to in the following embodiments are all widths of lines, i.e., widths in a direction perpendicular to the extending direction of the lines. When the line is a curve, the line width can be calculated according to a uniform calculation rule, for example, after the curve is amplified by a certain factor, the curve approaches to a straight line, and the width of the amplified straight line is measured as the line width of the original curve.
In an embodiment, fig. 3 is a partial schematic view of an alternative implementation of a display panel according to an embodiment of the present invention. As shown in fig. 3, the first connecting line M1 includes a first second connecting line M1b, the first second connecting line M1b and the first sub-signal line Z extend in the same direction, and the line width d1 of the first second connecting line M1b is equal to the line width d2 of the first second signal line X1 b. Fig. 3 also illustrates a case where the display panel includes the second connection line M2. Optionally, the display panel may not be provided with the second connection line. The extending direction of the first second connecting line is the same as that of the first second signal line, so that the extending direction of the first second connecting line is the same as that of the first second signal line in the display panel, and the total length of the first signal line formed by the first second signal line electrically connected with the first second connecting line is approximately the same as that of the first second signal line. In this embodiment, the line width of the first second connection line is equal to the line width of the first second signal line, so that it can be ensured that the resistance of the first signal line formed by the first second connection line and the first sub-signal line is substantially equal to the resistance of the first second signal line, and further it is ensured that the voltage drops generated when the first signal line and the first second signal line transmit signals are substantially the same, thereby ensuring that the display brightness of the pixels driven by the first signal line and the first second signal line are the same.
In another embodiment, the first connection line further includes a first a connection line, the first a connection line is at least partially disposed around the through hole, and a line width of at least a partial line segment of the first a connection line is greater than a line width of the first b signal line. Fig. 4 is a partial schematic view of another alternative implementation of the display panel according to the embodiment of the present invention. As shown in fig. 4, taking the line width of all the line segments of the first a connecting line M1a as an example being larger than the line width of the first b signal line X1b, the first a connecting line M1a is at least partially disposed around the through hole K. The line width of the first a connection line M1a is d3, the line width of the first b signal line X1b is d2, and d3> d 2. In this embodiment, the first a connection line is at least partially disposed around the through hole, which results in that the total length of the first a signal line jointly formed by the first a connection line and the first a sub-signal line becomes larger, that is, the total length of the first a signal line is larger than the total length of the first b signal line. Under the condition that the line width of the first A connecting line is not adjusted, the resistance of the first A signal line where the first A connecting line is located is increased, in the embodiment of the invention, the line width of at least part of line segments of the first A connecting line is larger than the line width of the first B signal line, and according to the resistance law: and R is rho L/S, wherein rho is the resistivity of a manufacturing material of the wire, L is the length of the wire, S is the cross-sectional area of the wire, and R is the resistance value. The line width of at least part of line segments of the first A connecting line is increased to reduce the resistance of the first A connecting line in unit length, so that the resistance difference between the first A signal line and the first B signal line is balanced, the resistance of the first A signal line formed by the first A connecting line and the first A sub signal line is ensured to be approximately equal to the resistance of the first B signal line, further, the voltage drop generated when the first A signal line and the first B signal line transmit signals is ensured to be approximately the same, and the consistency of the display brightness of the pixels driven by the first A signal line and the first B signal line respectively is ensured.
Optionally, the line width of only a part of the line segments of the first connection line may be adjusted to compensate for a resistance difference between the first signal line and the first second signal line caused by the arrangement of the routing direction of the first connection line.
In another embodiment, fig. 5 is a partial schematic view of another alternative implementation of the display panel according to the embodiment of the present invention. As shown in fig. 5, the first a connection line M1a and the first b connection line M1b may be simultaneously provided in the display panel within the first non-display area BA1, the first b connection line M1b and the first a sub-signal line Z extend in the same direction, and the first a connection line M1a is at least partially disposed around the through hole K. The length of the first a connecting line M1a is greater than the length of the first b connecting line M1 b. The respective line widths of the first a connection line M1a and the first b connection line M1b are not shown in the figure, and optionally, the line width of the first b connection line M1b may be set to be equal to the line width of the first b signal line X1b, so as to ensure that the resistance of the first a signal line formed by the first b connection line M1b and the first a sub-signal line Z is approximately equal to the resistance of the first b signal line; the line width of the first A connecting line M1a is set to be larger than the line width of the first B signal line X1b, the resistance of the first A connecting line M1a in unit length is reduced by increasing the line width of at least part of line segments of the first A connecting line M1a, so that the resistance difference between the first A signal line and the first B signal line is balanced, and the resistance of the first A signal line formed by the first A connecting line and the first A sub-signal line is ensured to be approximately equal to the resistance of the first B signal line. According to the embodiment, the voltage drop generated when the first A signal line and the first B signal line transmit signals can be approximately the same, and therefore the display brightness of the pixels driven by the first A signal line and the first B signal line is consistent.
Furthermore, the display panel further comprises a second signal line extending along the second direction and overlapping the first signal line in an insulating manner, so that a coupling capacitor exists at a position where the first signal line and the second signal line overlap in an insulating manner. The inventor continues to provide a solution for two connecting line setting methods of the first A connecting line and the first B connecting line to compensate capacitance difference and avoid pixel display difference caused by capacitance difference and driven by the first A signal line and the first B signal line respectively.
In an embodiment, fig. 6 is a partial schematic view of another alternative implementation of a display panel according to an embodiment of the present invention. As shown in fig. 6, the display panel further includes a second signal line X2 extending in the second direction y and overlapping the first signal line X1 in an insulating manner, and the first connection line M1 overlaps the second signal line X2 in the first non-display area BA1 in an insulating manner; the first connecting line M1 includes a first second connecting line M1b, the first second connecting line M1b and the first sub-signal line Z extend in the same direction, and the line width d1 of the first second connecting line M1b is equal to the line width d2 of the first second signal line X1 b. The second signal line X2 includes a first subsection F1 overlapping the first b signal line X1b and a second subsection F2 overlapping the first b connection line M1b, and a line width d4 of the first subsection F1 is equal to a line width d5 of the second subsection F2. In this embodiment, the extending direction of the first second connecting line is the same as the extending direction of the first sub-signal line, and the line width of the first second connecting line is the same as the line width of the first second signal line, so that the resistance of the first signal line formed by the first second connecting line and the first sub-signal line can be ensured to be approximately equal to the resistance of the first second signal line, and further, the voltage drop generated when the first signal line and the first second signal line transmit signals can be ensured to be approximately equal. Further, the line width of the overlapped part of the second signal line and the first second signal line is equal to the line width of the overlapped part of the second signal line and the first second signal line, so that the coupling capacitance generated by the insulated overlapping of the first second signal line and the second signal line is approximately the same as the coupling capacitance generated by the insulated overlapping of the first second signal line and the second signal line, the display brightness consistency of the pixels driven by the first signal line and the first second signal line is further ensured, and the display uniformity is ensured.
In an embodiment, fig. 7 is a partial schematic view of another alternative implementation of a display panel according to an embodiment of the present invention. As shown in fig. 7, the display panel further includes a second signal line X2 extending in the second direction y and overlapping the first signal line X1 in an insulating manner, and the first connection line M1 overlaps the second signal line X2 in the first non-display area BA1 in an insulating manner; the first connecting line M1 includes a first a connecting line M1a, the line width of the first a connecting line M1a is d3, the line width of the first b signal line X1b is d2, and d3> d 2. The second signal line X2 includes a first subsection F1 overlapping the first second signal line X1b and a third subsection F3 overlapping the first connection line M1a, and a line width d6 of the third subsection F3 is smaller than a line width d4 of the first subsection F1. In this embodiment, the first connection line is first set to have a line width larger than that of the first second signal line to reduce the resistance of the first connection line per unit length, thereby balancing the difference in resistance between the first signal line and the first second signal line and ensuring that the resistance of the first signal line formed by the first connection line and the first sub-signal line is substantially equal to the resistance of the first second signal line. The line width of the first A connecting line is increased, when the second signal line is not changed in design, the insulation overlapping area between the first A connecting line and the second signal line is increased, and the generated coupling capacitance is increased. According to the embodiment, the resistance of the first A signal line and the resistance of the first B signal line are approximately equal, and the coupling capacitance between the first A signal line and the second signal line and the coupling capacitance between the first B signal line and the second signal line are approximately equal, so that the display brightness of the pixels driven by the first A signal line and the pixel driven by the first B signal line are consistent, and the display uniformity is guaranteed.
In an embodiment, fig. 8 is a partial schematic view of another alternative implementation of a display panel according to an embodiment of the present invention. As shown in fig. 8, the display panel further includes a second signal line X2 extending in the second direction y and overlapping the first signal line X1 in an insulating manner, and the first connection line M1 overlaps the second signal line X2 in the first non-display area BA1 in an insulating manner; the first connecting line M1 includes a first a connecting line M1a, the line width of the first a connecting line M1a is d3, the line width of the first b signal line X1b is d2, and d3> d 2. The first a connection line M1a includes a first sub-line segment D1 overlapping the second signal line X2, and a second sub-line segment D2 not overlapping the second signal line X2; the line width D7 of the first sub-line segment D1 is equal to the line width D2 of the first b signal line X1b, and the line width D8 of the second sub-line segment D2 is greater than the line width D2 of the first b signal line X1 b. In this embodiment, the first connection line (i.e., the second sub-line segment) is increased in line width to compensate for the difference in resistance between the first signal line and the first second signal line, so as to ensure that the resistance of the first signal line is substantially the same as the resistance of the first second signal line. Meanwhile, the line width of a partial line segment (namely, a first sub-line segment) where the first connecting line and the second signal line are overlapped is not changed, so that the overlapping area of the first connecting line and the second signal line is not changed, and the coupling capacitance between the first signal line and the second signal line is approximately the same as the coupling capacitance between the first second signal line and the second signal line, so that the display brightness of pixels driven by the first signal line and the first second signal line is consistent, and the display uniformity is ensured.
In an embodiment, fig. 9 is a schematic view of a film structure of a display panel according to an embodiment of the present invention. As shown in fig. 9, the display panel includes an array substrate 11, the array substrate 11 including a plurality of thin film transistors T; the thin film transistor T includes an active layer w, a gate electrode g, a source electrode s, and a drain electrode d. The array substrate 11 includes: the thin film transistor comprises a substrate 111, a gate metal layer 112 located on the substrate 111, a capacitor metal layer 113 located on one side of the gate metal layer 112 far away from the substrate 111, and a source-drain metal layer 114 located on one side of the capacitor metal layer 113 far away from the gate metal layer 112, wherein a gate g of the thin film transistor T is located on the gate metal layer 112, a source s and a drain d of the thin film transistor T are located on the source-drain metal layer 114, an insulating layer is further arranged between two adjacent metal layers, and the insulating layer is not shown in fig. 9. The capacitor metal layer 113 is used to manufacture a capacitor plate of a storage capacitor in the pixel circuit, and the storage capacitor is formed between the capacitor plate and the gate of the driving transistor in the pixel circuit, and fig. 9 only shows the position of the film layer of the capacitor metal layer 113, but does not show the gate of the driving transistor. Fig. 9 is only illustrated by a thin film transistor with a top gate structure, and alternatively, the thin film transistor in the display panel provided by the present invention may also be a bottom gate structure.
The display panel provided by the embodiment of the invention further comprises: a scanning line positioned on the same film layer with the grid g, a data line and a power signal line positioned on the same film layer with the source s and the drain d, and a reset signal line positioned on the capacitor metal layer 113; the array substrate comprises a pixel circuit for driving pixels in the display panel to display, when the pixels are driven to display, the scanning lines provide scanning signals for the pixel circuit, the data lines provide data signals for the pixel circuit, the power signal lines provide power voltage signals for the pixel circuit, and the reset signal lines provide reset signals for the pixel circuit.
In the display panel provided by the embodiment of the invention, the first signal line is any one of a data line, a scanning line, a power signal line and a reset signal line.
In one embodiment, the first signal line is a data line. Fig. 10 is a schematic diagram of another alternative implementation of the display panel according to the embodiment of the present invention. As shown in fig. 10, the first signal line X1 is a data line extending along a first direction X, two vias K located in the non-display area BA are arranged in a second direction y, the first signal line X1a is a first data line, the first second signal line X1b is a first second data line, the first signal line X1a includes at least two first signal lines Z and a connection line M, the connection line M is used for connecting the two first signal lines Z, the connection line M is routed in the non-display area BA, and the connection line M includes a first connection line M1(M), wherein the first signal line Z is located in the display area AA, and the first connection line M1 is located in the first non-display area 1. The display panel further includes a second signal line X2 extending in the second direction y and overlapping the data line in an insulating manner, and the second signal line X2 overlaps the connection line M in an insulating manner in the non-display area BA. In this embodiment mode, the second signal line may be a scan line or a reset signal line. The routing manner and the line width manner of the first connection line, the manner of disposing the second signal line, and the like can be described with reference to the embodiments corresponding to fig. 3 to 8, and are not described herein again.
In one embodiment, the first signal line is a scan line. Fig. 11 is a schematic diagram of another alternative implementation of the display panel according to the embodiment of the present invention. As shown in fig. 11, the first signal line X1 is a scan line extending along a first direction X, two through holes K located in the non-display area BA are arranged in a second direction y, the first signal line X1a is a first scan line, the first second signal line X1b is a first second scan line, the first signal line X1a includes at least two first signal lines Z and a connection line M, the connection line M is used for connecting the two first signal lines Z, the connection line M is routed in the non-display area BA, and the connection line M includes a first connection line M1(M), wherein the first signal line Z is located in the display area AA, and the first connection line M1 is located in the first non-display area 1. The display panel further includes a second signal line X2 extending in the second direction y and overlapping the first signal line X1 in an insulating manner, and the second signal line X2 overlaps the connection line M in an insulating manner in the non-display area BA. In this embodiment, the second signal line may be a data line or a power signal line. The routing manner and the line width manner of the first connection line, the manner of disposing the second signal line, and the like can be described with reference to the embodiments corresponding to fig. 3 to 8, and are not described herein again.
In one embodiment, the first signal line is a power supply signal line, and the second signal line is a scan line or a reset signal line. In another embodiment, the first signal line is a reset signal line and the second signal line is a data line or a power signal line.
In some alternative embodiments, fig. 12 is a partial schematic view of another alternative embodiment of a display panel according to an embodiment of the present invention. As shown in FIG. 12, in the second direction y, the distance between the edges of two adjacent through holes K is the minimum distance H, wherein H is more than or equal to 0.1mm and less than or equal to 3 mm. Fig. 12 illustrates only the shape of the through hole K as a circle. In the invention, the first connecting line is arranged between two adjacent through holes, H is more than or equal to 0.1mm in the embodiment of the invention, a certain space is ensured to be formed between the two through holes in the second direction for arranging the first connecting line, and H is less than or equal to 3mm, the spacing distance between the two through holes in the second direction is ensured to be small enough, for example, when H is 3mm, a small number of pixels can be placed in the area between the two through holes, but the inventor considers that the area of the area is small, and even if the pixels are arranged, the whole graph (such as an electric quantity graph and a data signal graph which have small areas and can play a role in marking) can not be displayed, so the inventor reasonably applies the area, and saves the area of a non-display area between the through holes and the display area in the second direction by arranging at least part of the connecting lines between the two through holes, so as to reduce the internal frame of the display panel and improve the display visual effect.
Based on the same inventive concept, the present invention further provides a display device, fig. 13 is a schematic view of the display device provided in the embodiment of the present invention, and as shown in fig. 13, the display device includes the display panel 100 provided in any embodiment of the present invention. The specific structure of the display panel 100 has been described in detail in the above embodiments, and is not described herein again. Of course, the display device shown in fig. 13 is only a schematic illustration, and the display device may be any electronic device with a display function, such as a mobile phone, a tablet computer, a notebook computer, an electronic book, or a television.
In one embodiment, the display device further comprises an image acquisition device or a sound generation device; the image acquisition device and/or the sound generation device are overlapped with the through hole in the direction perpendicular to the display panel. Taking the example that the display device comprises two image acquisition devices, one image acquisition device is arranged corresponding to one through hole in the direction vertical to the display panel.
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.
Claims (12)
1. A display panel comprising a display area and a non-display area, the display area surrounding the non-display area; the non-display area is provided with at least two through holes penetrating through the display panel, the through holes are arranged along a second direction, and the non-display area further comprises a first non-display area positioned between the two through holes;
still include many first signal lines that extend along first direction, first direction and the second direction is perpendicular, first signal line includes first signal line and first second signal line, first second signal line link up the display area extends the setting, first signal line includes two at least first son signal lines and connecting wire, the connecting wire is used for connecting two first son signal lines, the connecting wire includes first connecting wire, wherein,
the first sub-signal line is located in the display area, and the first connecting line is located in the first non-display area.
2. The display panel according to claim 1, wherein the non-display region further comprises a second non-display region located on a side of the through hole away from the first non-display region, the second non-display region at least partially surrounding the through hole;
the connecting lines further comprise second connecting lines, and the second connecting lines are located in the second non-display area.
3. The display panel according to claim 2,
the non-display area comprises two second non-display areas, and the number of the second connecting lines arranged in the two second non-display areas is equal.
4. The display panel according to claim 1,
the first connecting line comprises a first B connecting line, and the extending directions of the first B connecting line and the first A signal line are the same;
the line width of the first second connecting line is equal to the line width of the first second signal line.
5. The display panel according to claim 4,
the display panel further comprises a second signal line extending along the second direction and overlapped with the first signal line in an insulation mode, and the first connecting line and the second signal line are overlapped in an insulation mode in the first non-display area;
the second signal line includes a first branch overlapping the first second signal line and a second branch overlapping the first second connection line, and a line width of the first branch is equal to a line width of the second branch.
6. The display panel according to claim 1,
the first connecting line further comprises a first A connecting line, and the first A connecting line is at least partially arranged around the through hole;
the line width of at least part of line segments of the first A connecting line is larger than that of the first B signal line.
7. The display panel according to claim 6,
the display panel further comprises a second signal line extending along the second direction and overlapped with the first signal line in an insulation mode, and the first connecting line and the second signal line are overlapped in an insulation mode in the first non-display area;
the second signal line includes a first subsection overlapping the first second signal line and a third subsection overlapping the first connection line, and a line width of the third subsection is smaller than a line width of the first subsection.
8. The display panel according to claim 6,
the display panel further comprises a second signal line extending along the second direction and overlapped with the first signal line in an insulation mode, and the first connecting line and the second signal line are overlapped in an insulation mode in the first non-display area;
the first connecting line comprises a first sub-line segment overlapped with the second signal line and a second sub-line segment not overlapped with the second signal line; wherein,
the line width of the first sub-line segment is equal to the line width of the first second signal line, and the line width of the second sub-line segment is larger than the line width of the first second signal line.
9. The display panel according to claim 1,
the display panel comprises an array substrate, wherein the array substrate comprises a plurality of thin film transistors;
the array substrate includes: the thin film transistor comprises a substrate base plate, a grid metal layer positioned on the substrate base plate, a capacitor metal layer positioned on one side, far away from the substrate base plate, of the grid metal layer, and a source drain metal layer positioned on one side, far away from the grid metal layer, of the capacitor metal layer, wherein a grid of the thin film transistor is positioned on the grid metal layer, and a source electrode and a drain electrode of the thin film transistor are positioned on the source drain metal layer;
the display panel further includes: the scanning line is positioned on the same film layer with the grid electrode, the data line and the power supply signal line are positioned on the same film layer with the source electrode and the drain electrode, and the reset signal line is positioned on the capacitor metal layer; wherein,
the first signal line is any one of the data line, the scan line, the power signal line, and the reset signal line.
10. The display panel according to claim 1,
and in the second direction, the minimum distance H of the interval between the edges of two adjacent through holes is greater than or equal to 0.1mm and less than or equal to 3 mm.
11. A display device characterized by comprising the display panel according to any one of claims 1 to 10.
12. The display device of claim 11, further comprising an image capture device or a sound generation device;
in the direction perpendicular to the display panel, the image acquisition device and/or the sound production device are overlapped with the through hole.
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| CN113920920B (en) * | 2021-11-04 | 2024-03-29 | 厦门天马微电子有限公司 | Array substrate, display panel and display device |
| CN113920920A (en) * | 2021-11-04 | 2022-01-11 | 厦门天马微电子有限公司 | Array substrate, display panel and display device |
| CN114360378B (en) * | 2021-12-31 | 2023-11-21 | 厦门天马微电子有限公司 | Array substrate, display panel and display device |
| CN114360378A (en) * | 2021-12-31 | 2022-04-15 | 厦门天马微电子有限公司 | Array substrate, display panel and display device |
| CN114355656B (en) * | 2021-12-31 | 2023-11-24 | 厦门天马微电子有限公司 | display device |
| CN114355656A (en) * | 2021-12-31 | 2022-04-15 | 厦门天马微电子有限公司 | Display device |
| CN114842746A (en) * | 2022-04-02 | 2022-08-02 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN115497409A (en) * | 2022-09-06 | 2022-12-20 | 武汉天马微电子有限公司 | Display panel and display device |
| CN115472087A (en) * | 2022-09-06 | 2022-12-13 | 武汉天马微电子有限公司 | Display panel and display device |
| CN115294878A (en) * | 2022-09-06 | 2022-11-04 | 武汉天马微电子有限公司上海分公司 | Display panel and display device |
| CN115294878B (en) * | 2022-09-06 | 2024-10-15 | 武汉天马微电子有限公司上海分公司 | Display panel and display device |
| CN115762382A (en) * | 2022-11-21 | 2023-03-07 | 上海中航光电子有限公司 | Display panel and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115407571A (en) | 2022-11-29 |
| CN110515247B (en) | 2022-11-01 |
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