CN114283701A - Display panel and display device - Google Patents
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- CN114283701A CN114283701A CN202111664862.0A CN202111664862A CN114283701A CN 114283701 A CN114283701 A CN 114283701A CN 202111664862 A CN202111664862 A CN 202111664862A CN 114283701 A CN114283701 A CN 114283701A
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- 230000009286 beneficial effect Effects 0.000 description 28
- 238000002834 transmittance Methods 0.000 description 14
- 238000007639 printing Methods 0.000 description 10
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- 238000010168 coupling process Methods 0.000 description 2
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Abstract
The invention discloses a display panel and a display device, which relate to the technical field of display, wherein the display panel comprises: the display device comprises a light-transmitting area, a wiring area surrounding the light-transmitting area and a display area at least partially surrounding the wiring area, wherein the light-transmitting area extends along a first direction; a plurality of first signal lines arranged in a first direction; part of the routing of at least one first signal line is located in the light-transmitting area. The invention effectively reduces the area of the wiring area surrounding the light-transmitting area.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
With the innovation and development of display technologies, the display technologies are gradually closely related to our lives, such as traditional mobile phones, flat panels, televisions and PCs, and then the current smart homes, smart wearable devices, VRs, vehicle-mounted displays and the like.
In order to meet diversified use requirements of users, a display device of the related art is generally provided with a light sensing element such as a camera. The light sensing elements are usually arranged in the light-transmitting area, and in order to realize the ultra-narrow frame design, the display area is usually arranged at least partially around the light-transmitting area, and meanwhile, a wiring area for wiring is also arranged between the light-transmitting area and the display area. In the display device of the prior art, the problem that the area of a wiring area is large exists. Therefore, how to reduce the area of the wiring region surrounding the light-transmitting region is one of the technical problems that those skilled in the art need to solve.
Disclosure of Invention
In view of the above, the present invention provides a display panel and a display device, which effectively reduce the area of the wiring region surrounding the light-transmitting region.
The present invention provides a display panel including: the display device comprises a light-transmitting area, a wiring area surrounding the light-transmitting area and a display area at least partially surrounding the wiring area, wherein the light-transmitting area extends along a first direction; a plurality of first signal lines arranged in a first direction; part of the routing of at least one first signal line is located in the light-transmitting area.
Based on the same idea, the invention also provides a display device, which comprises the display panel.
Compared with the prior art, the display panel and the display device provided by the invention at least realize the following beneficial effects:
the display panel provided by the invention comprises a plurality of first signal wires which are arranged along the first direction, and the length of the light-transmitting area in the first direction is longer because the light-transmitting area extends along the first direction, so that the arrangement of the light-transmitting area has larger influence on the wiring of a large number of first signal wires. If the first signal line influenced by the light-transmitting area only extends from one side of the light-transmitting area in the second direction to the other side of the light-transmitting area in the second direction through the wiring area, the number of wires in the portions located on the two sides of the wiring area along the first direction is large, the area of the portions located on the two sides of the wiring area along the first direction is large, and the narrow frame surrounding the light-transmitting area is not facilitated. Wherein the first direction and the second direction intersect. In the invention, part of the routing of at least one first signal wire is positioned in the light-transmitting area, namely, at least one first signal wire exists in the first signal wires influenced by the light-transmitting area, and extends from one side of the light-transmitting area in the second direction to the other side of the light-transmitting area in the second direction through the light-transmitting area, so that the number of the first signal wires extending from one side of the light-transmitting area in the second direction to the other side of the light-transmitting area in the second direction only through the wiring area is reduced, the area of the wiring area is reduced, and the narrow frame surrounding of the light-transmitting area is realized. And because the printing opacity district extends along first direction, printing opacity district's length in first direction is longer promptly, and partial walk line of part first signal line is located printing opacity district and is less to printing opacity influence of printing opacity district.
Of course, it is not necessary for any product in which the present invention is practiced to specifically achieve all of the above-described technical effects simultaneously.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic plan view of a display panel according to the present invention;
FIG. 2 is a partially enlarged schematic view of the display panel shown in FIG. 1;
FIG. 3 is a partial schematic view of another display panel provided by the present invention;
FIG. 4 is a partial schematic view of another display panel provided in accordance with the present invention;
FIG. 5 is a partial schematic view of another display panel provided in accordance with the present invention;
FIG. 6 is a partial schematic view of another display panel provided in accordance with the present invention;
FIG. 7 is a partial schematic view of another display panel provided in accordance with the present invention;
FIG. 8 is a partial schematic view of another display panel provided in accordance with the present invention;
FIG. 9 is a partial schematic view of yet another display panel provided in accordance with the present invention;
FIG. 10 is a schematic diagram of a partial structure of the display panel shown in FIG. 8;
FIG. 11 is a partial schematic view of yet another display panel provided in accordance with the present invention;
FIG. 12 is a partial schematic view of the display panel shown in FIG. 9;
FIG. 13 is a schematic diagram of a partial structure of another display panel provided in the present invention;
fig. 14 is a schematic plan view of a display device according to the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Fig. 1 is a schematic plan view of a display panel provided by the present invention, fig. 2 is a partially enlarged schematic view of the display panel shown in fig. 1, and referring to fig. 1 and 2, the present invention provides a display panel including a light-transmitting area FA, a wiring area BA surrounding the light-transmitting area FA, and a display area AA at least partially surrounding the wiring area BA. The light-transmitting area F has excellent light-transmitting property, and devices such as light-sensing elements can be arranged in the area corresponding to the light-transmitting area F. The light-transmitting area FA extends along the first direction X, that is, the light-transmitting area FA is a strip structure along the first direction X, so that a greater number of devices can be arranged in the area corresponding to the light-transmitting area F, and the display panel can have more functions. Meanwhile, the light-transmitting area FA is of a strip structure along the first direction X, so that the visual and attractive effect can be realized. Optionally, a vertical projection pattern of the light-transmitting area FA on the plane of the display panel is an ellipse. Of course, in other embodiments of the present invention, the vertical projection pattern of the light-transmitting area FA on the plane of the display panel may also be in other shapes such as a rectangle, which is not particularly limited in the present invention and may be determined according to the actual situation.
In some alternative embodiments, the requirement for light transmittance of the light-transmissive region FA in the display panel is high, and accordingly, no pixel or complete pixel may be disposed in the light-transmissive region FA, and the light-transmissive region FA is not used for display, thereby improving the light transmittance of the light-transmissive region FA. Optionally, when the display panel is used for the vehicle-mounted display device, in order to achieve better human-computer interaction experience, the requirement for light transmission of the light transmission area FA is high, and the light transmission of the light transmission area FA needs to be improved. When no pixel or a complete pixel is disposed in the light-transmitting area FA and the light-transmitting area FA is not used for display, the display panel can be made suitable for more types of devices.
It should be noted that fig. 1 and fig. 2 only exemplarily show that the display panel includes one light-transmitting area FA, and in other embodiments of the present invention, the display panel may further include two or more light-transmitting areas FA, which is not particularly limited in the present invention and may be determined according to the actual situation. Fig. 1 and fig. 2 only exemplarily show that the display area AA surrounds the wiring area BA, and in other embodiments of the present invention, the display area AA may also only partially surround the wiring area BA, which may be determined according to actual situations, and the present invention is not described herein again.
The display panel further includes a plurality of first signal lines 10 arranged in the first direction X, and since the light-transmissive area FA extends in the first direction X, the length of the light-transmissive area FA in the first direction X is longer, and thus the arrangement of the light-transmissive area FA has a greater influence on the wiring of a greater number of first signal lines 10. If the first signal line 10 affected by the light-transmitting area FA extends from one side of the light-transmitting area FA in the second direction Y to the other side of the light-transmitting area FA in the second direction Y only through the wiring area BA, the number of traces in the portions located at the two sides of the wiring area BA along the first direction X is large, the area of the portions located at the two sides of the wiring area BA along the first direction X is large, and it is not favorable for realizing a narrow frame around the light-transmitting area FA. Wherein the first direction X and the second direction Y intersect. Optionally, the first direction X and the second direction Y are perpendicular.
Optionally, when the display panel is used for the vehicle-mounted display device, the area corresponding to the light-transmitting area FA needs to be provided with a plurality of cameras, biometric identification devices and other devices, the size of the light-transmitting area FA is large, correspondingly, the number of the first signal lines 10 affected by the light-transmitting area FA is large, the area of the wiring area BA is large, and the difficulty in realizing narrow framing around the light-transmitting area FA is increased.
At least one partial routing of the first signal line 10 is located in the light-transmitting area FA, that is, at least one first signal line 10 exists in the first signal line 10 affected by the light-transmitting area FA, and extends from one side of the light-transmitting area FA in the second direction Y to the other side of the light-transmitting area FA in the second direction Y through the light-transmitting area FA, so as to reduce the number of the first signal lines 10 extending from one side of the light-transmitting area FA in the second direction Y to the other side of the light-transmitting area FA in the second direction Y through the wiring area BA, thereby reducing the area of the wiring area BA and realizing a narrow frame around the light-transmitting area FA.
And because the light-transmitting area FA extends along the first direction X, that is, the length of the light-transmitting area FA in the first direction X is longer, the light transmittance of the light-transmitting area FA due to the partial routing of the partial first signal line 10 in the light-transmitting area FA is less affected.
It should be noted that the first signal line 10 influenced by the light-transmitting area FA in the present invention refers to the first signal line 10 at least partially overlapping the light-transmitting area FA along the second direction Y, wherein the first direction X intersects the second direction Y. Optionally, the first direction X and the second direction Y are perpendicular. In the embodiments related to the present invention, the related descriptions are also applicable, and the description of the present invention is not repeated. With continued reference to fig. 1 and 2, in some alternative embodiments, the first signal lines 10 are data lines for providing data signals to pixels in the display panel. When the extending direction of the light-transmitting area FA is the same as the arrangement direction of the data lines, that is, the extending direction of the light-transmitting area FA and the arrangement direction of the data lines are both the first direction X, because the length of the light-transmitting area FA in the first direction X is long, the arrangement of the light-transmitting area FA has a large influence on the wiring of a large number of data lines, if the data lines influenced by the light-transmitting area FA extend from one side of the light-transmitting area FA in the second direction Y to the other side of the light-transmitting area FA in the second direction Y only through the wiring area BA, the number of the wiring in the portions located at the two sides of the wiring area BA along the first direction X is large, the area of the portions located at the two sides of the wiring area BA along the first direction X is large, and it is not beneficial to implement frame narrowing around the light-transmitting area FA.
The partial routing of at least one data line is located light-transmitting area FA, and there is at least one data line in the data line that is influenced by light-transmitting area FA to extend to the other side of light-transmitting area FA in second direction Y through light-transmitting area FA by one side of light-transmitting area FA in second direction Y, be favorable to reducing the quantity of the data line that extends to the other side of light-transmitting area FA in second direction Y through wiring area BA only by one side of light-transmitting area FA in second direction Y, thereby be favorable to reducing the area of wiring area BA, be favorable to realizing the narrow border around light-transmitting area FA.
With continued reference to fig. 1 and 2, in some alternative embodiments, the first signal lines 10 are scan lines for providing scan signals to driving circuits in the display panel. When the extending direction of the light-transmitting area FA is the same as the arrangement direction of the scanning lines, that is, the extending direction of the light-transmitting area FA and the arrangement direction of the scanning lines are both the first direction X, because the length of the light-transmitting area FA in the first direction X is long, the arrangement of the light-transmitting area FA has a large influence on the wiring of a large number of scanning lines, if the scanning lines influenced by the light-transmitting area FA extend from one side of the light-transmitting area FA in the second direction Y to the other side of the light-transmitting area FA in the second direction Y only through the wiring area BA, the number of the wiring lines in the portions located at the two sides of the wiring area BA along the first direction X is large, the area of the portions located at the two sides of the wiring area BA along the first direction X is large, and it is not beneficial to implement frame narrowing around the light-transmitting area FA.
The partial routing of at least one scanning line is located light-transmitting area FA, and at least one scanning line exists in the scanning line influenced by light-transmitting area FA and extends to the other side of light-transmitting area FA in second direction Y from one side of light-transmitting area FA in second direction Y through light-transmitting area FA, so that the number of scanning lines extending from one side of light-transmitting area FA in second direction Y to the other side of light-transmitting area FA in second direction Y only through wiring area BA is reduced, the area of wiring area BA is reduced, and the narrow frame surrounding of light-transmitting area FA is realized.
It should be noted that, in the above embodiments, the first signal line 10 is exemplarily shown to be a data line or a scan line, in other embodiments of the present invention, the first signal line 10 may also be other signal lines, and the description of the present invention is omitted.
Fig. 3 is a partial schematic view of another display panel provided by the present invention, and referring to fig. 3, in some alternative embodiments, the display panel further includes a plurality of second signal lines 20 arranged along a second direction Y, wherein the second direction Y intersects with the first direction X. Optionally, the second direction Y is perpendicular to the first direction X.
At least one part of the second signal line 20 is routed in the light-transmitting area FA, that is, at least one second signal line 20 exists in the second signal line 20 affected by the light-transmitting area FA, and extends from one side of the light-transmitting area FA in the first direction X to the other side of the light-transmitting area FA in the first direction X through the light-transmitting area FA, so as to reduce the number of the second signal lines 20 extending from one side of the light-transmitting area FA in the first direction X only through the wiring area BA to the other side of the light-transmitting area FA in the first direction X, further reduce the area of the wiring area BA, and facilitate the realization of narrow framing around the light-transmitting area FA.
Fig. 4 is a partial schematic view of another display panel provided by the present invention, referring to fig. 4, in some alternative embodiments, a portion of the routing lines of the first signal lines 10 at least partially overlapped with the light-transmitting area FA along the second direction Y are located in the light-transmitting area FA, that is, the first signal lines 10 affected by the light-transmitting area FA extend from one side of the light-transmitting area FA in the second direction Y to the other side of the light-transmitting area FA in the second direction Y through the light-transmitting area FA, which is beneficial to saving space of the wiring area BA for disposing other components, thereby being beneficial to reducing the area of the wiring area BA and being beneficial to realizing a narrow border around the light-transmitting area FA.
Similarly, in some optional embodiments, there are some routing lines located in the light-transmitting area FA in the second signal line 20 at least partially overlapped with the light-transmitting area FA along the first direction X, that is, the second signal line 20 affected by the light-transmitting area FA extends from one side of the light-transmitting area FA in the first direction X to the other side of the light-transmitting area FA in the first direction X through the light-transmitting area FA, which is beneficial to saving the space of the wiring area BA for setting other components, thereby being beneficial to reducing the area of the wiring area BA, and being beneficial to realizing a narrow frame around the light-transmitting area FA
Fig. 5 is a partial schematic view of another display panel provided by the present invention, and referring to fig. 5, in some alternative embodiments, at least a part of the routing lines of the even-numbered first signal lines 10 are located in the light-transmitting area FA, which is beneficial to reduce the area of the routing area BA and to implement a narrow border around the light-transmitting area FA. Meanwhile, at least part of the even number of first signal lines 10 are located in the light-transmitting area FA, so that gaps between the lines located in the light-transmitting area FA tend to be the same, the influence of the lines on each area in the light-transmitting area FA is uniform, the light transmittance of each part in the light-transmitting area FA tends to be the same, the light conditions received by each area in the device located in the light-transmitting area FA tend to be the same, and the improvement of the working performance of the device is facilitated. And at least part of the even number of first signal lines 10 are located in the light-transmitting area FA, which is beneficial to increasing the distance between two adjacent lines located in the light-transmitting area FA, thereby being beneficial to reducing the coupling between two adjacent lines located in the light-transmitting area FA.
Similarly, at least part of the even second signal lines 20 are routed in the light-transmitting area FA, which is favorable for reducing the area of the wiring area BA and realizing a narrow frame around the light-transmitting area FA. Meanwhile, at least part of the even number of second signal lines 20 are located in the light-transmitting area FA, so that gaps between the lines located in the light-transmitting area FA tend to be the same, the influence of the lines on each area in the light-transmitting area FA is uniform, the light transmittance of each part in the light-transmitting area FA tends to be the same, the light conditions received by each area in the device located in the light-transmitting area FA tend to be the same, and the improvement of the working performance of the device is facilitated. And at least part of the even number of first signal lines 10 are located in the light-transmitting area FA, which is beneficial to increasing the distance between two adjacent lines located in the light-transmitting area FA, thereby being beneficial to reducing the coupling between two adjacent lines located in the light-transmitting area FA.
It is understood that, in other embodiments of the present invention, at least part of the routing lines of the odd-numbered first signal lines may be located in the light-transmitting area; also, at least part of the routing lines of the odd-numbered second signal lines may be located in the light-transmitting area, which is also beneficial to achieve the same beneficial effects as that of at least part of the routing lines of the even-numbered first signal lines 10 being located in the light-transmitting area FA and that of at least part of the routing lines of the even-numbered second signal lines 20 being located in the light-transmitting area FA.
It should be noted that, this embodiment only exemplarily shows one wiring manner of the first signal line 10 affected by the light-transmitting area FA and the second signal line 20 affected by the light-transmitting area FA, and in other embodiments of the present invention, referring to fig. 3, a wiring manner in which a part of the first signal line 10, which is close to two ends of the light-transmitting area FA along the first direction X, of the first signal line 10 affected by the light-transmitting area FA is routed to the light-transmitting area FA may also be adopted; the routing manner of routing the part of the second signal line 20 close to the two ends of the light-transmitting area FA along the second direction Y in the second signal line 20 affected by the light-transmitting area FA can also be adopted. Of course, other wiring manners may be adopted in the light-transmitting area FA according to the requirement of the light-transmitting area FA and the requirement of the area of the wiring area BA in the actual display panel, and the present invention is not described in detail herein.
Fig. 6 is a partial schematic view of another display panel provided by the present invention, and referring to fig. 6, in some alternative embodiments, at least one first signal line 10 includes a first wire trace portion 11 and a second wire trace portion 12, the first wire trace portion 11 is located in a light-transmitting area FA, and the second wire trace portion 12 is at least partially located in a display area AA.
In the at least one first signal line 10, at least a part of the first wire traces 11 has a smaller width in the first direction X than at least a part of the second wire traces 12 in the first direction Y. That is, in the at least one first signal line 10, the width of at least a part of the first wire routing portion 11 located in the light-transmitting area FA in the first direction X is reduced, which is beneficial to reducing the influence of the first wire routing portion 11 on the light-transmitting area FA when the first wire routing portion 11 is arranged in the light-transmitting area FA, and improving the light-transmitting property of the light-transmitting area FA.
Meanwhile, optionally, in order to improve the light transmittance of the light transmissive area FA, when the light transmissive area FA is not used for implementing display, no pixel or no complete pixel may be disposed in the light transmissive area FA, and therefore, compared with the first signal line 10 extending only through the display area AA, the number of pixels connected to the first signal line 10 of the partial routing located in the light transmissive area FA is less, and a load on the first signal line 10 of the partial routing located in the light transmissive area FA is smaller than a load on the first signal line 10 extending only through the display area AA, thereby causing a problem of display non-uniformity. According to the formula of resistance R ═ ρ L/S, where R is the resistance of the resistor, ρ is the resistivity of the resistor, and is determined by the characteristics of the material itself, L is the resistance of the resistor, and S is the cross-sectional area of the resistor, the cross-sectional area of the first wire running part 11 located in the transparent area FA is reduced by reducing the width of the first wire running part 11 located in the transparent area FA in the first direction X, so that the resistance of the first wire running part 11 located in the transparent area FA can be increased, and thus the load on the first signal line 10 located in the transparent area FA is increased by partial wire running, which is beneficial to reducing the difference between the load on the first signal line 10 located in the transparent area FA and the load on the first signal line 10 extending only through the display area AA, and is beneficial to improving the display uniformity.
It should be noted that fig. 6 exemplarily shows that the widths of the first wire traces 11 in the first signal line 10 where the first wire traces 11 are located in the light-transmitting area FA in the first direction X are all reduced, and the widths of the portions of the first wire traces 11 in the first signal line 10 where the first wire traces 11 are located in the light-transmitting area FA in the first direction X are all reduced.
Fig. 7 is a partial schematic view of another display panel provided by the present invention, referring to fig. 7, in some optional embodiments, the display panel further includes a black matrix BM, a vertical projection of the first trace 10 on a plane of the display panel is located in the vertical projection of the black matrix BM on the plane of the display panel, and the black matrix BM covers the first trace 10 along a direction perpendicular to the plane of the display panel, so that the black matrix BM blocks the first trace 10, and external ambient light is prevented from entering the inside of the display panel and being reflected on the first trace 10, so that a pattern of the first trace 10 is visible.
The black matrix BM includes a first light-shielding portion BM1 and a second light-shielding portion BM2, a vertical projection of the first wire portion 11 on the plane of the display panel is located in a vertical projection of the first light-shielding portion BM1 on the plane of the display panel, and a vertical projection of the second wire portion 12 on the plane of the display panel is located in a vertical projection of the second light-shielding portion BM2 on the plane of the display panel.
At least a part of the at least one first light shielding portion BM1 has a smaller width in the first direction X than at least a part of the at least one second light shielding portion BM 2. In at least one first signal line 10, the width of at least part of the first wire traces 11 in the first direction X is smaller than the width of at least part of the second wire traces 12 in the first direction Y, and accordingly, the first light shielding portions BM1 corresponding to the first wire traces 11 are configured corresponding to the first wire traces 11, and the second light shielding portions BM2 corresponding to the second wire traces 12 are configured corresponding to the second wire traces 12, so that the width of at least part of the first light shielding portions BM1 in the first direction X can be reduced while the first light shielding portions BM1 cover the corresponding first wire traces 11 and the second light shielding portions BM2 cover the corresponding second wire traces 12, thereby reducing the influence of the first light shielding portions BM1 on the light transmittance of the light transmittance region FA when the light shielding portions BM1 are disposed in the light transmittance region FA, and improving the light transmittance of the light transmittance region FA.
Fig. 8 is a partial schematic view of another display panel provided by the present invention, and referring to fig. 8, in some alternative embodiments, at least one first signal line 10 includes a first wire trace portion 11, the first wire trace portion 11 is located in a light-transmitting area FA, and the first wire trace portion 11 includes at least one bending structure.
In the at least one first signal line 10, the first routing parts 11 located in the light-transmitting area FA can be bent to route, so that gaps between the first routing parts 11 located in the light-transmitting area FA can be disordered, the first routing parts 11 located in the light-transmitting area FA are prevented from forming a grating structure, and the problems of diffraction and interference of light rays in the light-transmitting area FA are avoided. When the area corresponding to light-transmitting area FA sets up devices such as camera, effectively improve the light diffraction that appears and interfere the problem of shooing etc..
It should be noted that fig. 8 exemplarily shows that the first wire traces 11 located in the light-transmitting area FA all include a bent structure, in other embodiments of the present invention, the first wire traces 11 located in the light-transmitting area FA may also include a bent structure, which is specifically set according to actual production requirements, and the present invention is not described herein again.
Fig. 9 is a partial schematic view of another display panel provided by the present invention, and referring to fig. 9, in some alternative embodiments, the display panel further includes a plurality of touch lines TP arranged along the first direction X. Since the light-transmitting area FA extends along the first direction X, the length of the light-transmitting area FA in the first direction X is longer, and the arrangement of the light-transmitting area FA has a greater influence on the wiring of a greater number of touch lines TP. If the touch line TP to be affected by the light-transmitting area FA extends from one side of the light-transmitting area FA in the second direction Y to the other side of the light-transmitting area FA in the second direction Y only through the wiring area BA, the number of the traces in the portions located at the two sides of the wiring area BA along the first direction X is large, the area of the portions located at the two sides of the wiring area BA along the first direction X is large, and the narrow frame around the light-transmitting area FA is not facilitated.
Part of the routing of at least one touch line TP is located in the light-transmitting area FA. That is, at least one touch line TP exists in the touch lines TP influenced by the light-transmitting area FA, and the touch lines TP extend from one side of the light-transmitting area FA in the second direction Y to the other side of the light-transmitting area FA in the second direction Y through the light-transmitting area FA, so that the number of the first signal lines 10 extending from one side of the light-transmitting area FA in the second direction Y to the other side of the light-transmitting area FA in the second direction Y through the wiring area BA is reduced, the area of the wiring area BA is reduced, and the narrow frame surrounding the light-transmitting area FA is realized.
And because the light-transmitting area FA extends along the first direction X, namely the length of the light-transmitting area FA in the first direction X is longer, the light transmittance of the light-transmitting area FA due to the partial routing of the partial touch control line TP is less influenced by the light transmittance of the light-transmitting area FA.
It should be noted that fig. 9 exemplarily shows that the touch lines TP influenced by the transparent area FA extend from one side of the transparent area FA in the second direction Y to the other side of the transparent area FA in the second direction Y through the transparent area FA, in other embodiments of the present invention, only some of the touch lines TP influenced by the transparent area FA may extend from one side of the transparent area FA in the second direction Y to the other side of the transparent area FA in the second direction Y through the transparent area FA, and the description of the present invention is omitted.
Fig. 10 is a partial structure diagram of the display panel shown in fig. 8, and referring to fig. 8 and 10, in some alternative embodiments, the display panel includes a first metal layer M1 and a second metal layer M2 that are insulated from each other, the data line D is located in the first metal layer M1, and the touch line TP is located in the second metal layer M2.
Since the data line D and the touch line TP are located on different metal layers and are insulated from each other, in the transparent area FA, along a direction perpendicular to the plane of the display panel, the data line D and the touch line TP may at least partially overlap. Along the direction of the plane where the display panel is located, the data line D and the touch line TP can be at least partially overlapped, the vertical projection area of the data line D and the touch line TP on the plane where the display panel is located in the light-transmitting area FA can be reduced, the influence on the light transmission of the light-transmitting area FA when the data line D and the touch line TP are partially arranged in the light-transmitting area FA is reduced, and the light transmission of the light-transmitting area FA is improved.
Fig. 11 is a partial schematic view of another display panel provided by the present invention, and fig. 12 is a partial schematic view of the display panel shown in fig. 9, and referring to fig. 11 and 12, in some alternative embodiments, the display panel includes a first metal layer M1, and in the light-transmitting area FA, the data line D and the touch line TP are all located on the first metal layer M1, so that an insulating layer is not required to be disposed between the light-transmitting area FA, the data line D and the touch line TP, which is beneficial to improving the light transmittance of the light-transmitting area FA.
In the light-transmitting area FA, the data line D and the touch line TP are not overlapped in the direction perpendicular to the plane where the display panel is located, so that signal interference between the data line D and the touch line TP located in the same metal layer is avoided. And the data line D and the touch line TP are both located in the first metal layer M1, which is beneficial to reducing the thickness of the display panel. Meanwhile, the data line D and the touch line TP can be made of the same material in the same process, which is beneficial to reducing the process and the production cost.
Optionally, in the light-transmitting area FA, along the first direction X, a distance between the data line D and the touch line TP adjacent thereto is greater than or equal to 2 μm. When the distance between the data line D and the touch line TP adjacent thereto in the first direction X in the transparent area FA is smaller than 2 μm due to different signals on the data line D and the touch line TP, the distance between the data line D and the touch line TP adjacent thereto is smaller, which may cause signal interference between the data line D and the touch line TP adjacent thereto. In the transparent area FA, along the first direction X, the distance between the data line D and the touch line TP adjacent to the data line D is greater than or equal to 2 μm, so that the distance between the data line D and the touch line TP adjacent to the data line D is effectively increased, and the problem of signal interference between the data line D and the touch line TP located in the same metal layer is effectively avoided.
Fig. 13 is a partial schematic structural diagram of another display panel provided by the present invention, and referring to fig. 13, in some alternative embodiments, the display panel includes an array substrate 30, where the array substrate 30 includes a first substrate 31, a buffer layer 32, and a circuit layer 33, where the buffer layer 32 is located on a side of the first substrate 31, and the circuit layer 33 is located on a side of the buffer layer 32 away from the first substrate 31.
The circuit layer 33 includes an active layer 311, a gate insulating layer 312, a gate metal layer M3, an interlayer insulating layer 313 and a first metal layer M1, wherein the active layer 311 is located on a side of the buffer layer 32 away from the first substrate 31, the gate insulating layer 312 is located on a side of the active layer 311 away from the first substrate 31, the gate metal layer M3 is located on a side of the gate insulating layer 312 away from the first substrate 31, the interlayer insulating layer 313 is located on a side of the gate metal layer M3 away from the first substrate 31, and the first metal layer M1 is located on a side of the interlayer insulating layer 313 away from the first substrate 31.
It should be noted that fig. 12 exemplarily shows a structure of a circuit layer, in other embodiments of the present invention, the circuit layer may further be configured such that the gate metal layer is located on a side of the buffer layer away from the first substrate, the gate insulating layer is located on a side of the gate metal layer away from the first substrate, the active layer is located on a side of the gate insulating layer away from the first substrate, the interlayer insulating layer is located on a side of the active layer away from the first substrate, and the first metal layer is located on a side of the interlayer insulating layer away from the first substrate.
With continued reference to fig. 13, when the first signal line 10 is the data line D, the first signal line 10 is located in the first metal layer M1. It should be noted that fig. 13 exemplarily shows that the first signal line 10 is located in the first metal layer M1, and it is understood that, in other embodiments of the present invention, when the first signal line is a scan line, the first signal line may be located in the gate metal layer, which is not described herein again.
With continued reference to fig. 13, the gate insulating layer 312 includes a first through hole H1, the first through hole H1 penetrates the gate insulating layer 312 in a direction perpendicular to a plane of the display panel, and the first through hole H1 at least partially overlaps the light-transmitting region FA. That is, in the light-transmitting area FA, at least a partial area where the gate insulating layer 312 is not disposed is advantageous for improving the light-transmitting property of the light-transmitting area FA. Optionally, the vertical projection of the light-transmitting area FA on the plane of the display panel is located in the vertical projection of the first through hole H1 on the plane of the display panel, that is, the gate insulating layer 312 is not disposed in the light-transmitting area FA, which is beneficial to improving the light-transmitting property of the whole light-transmitting area FA.
The interlayer insulating layer 313 includes a second through hole H2, the second through hole H2 penetrates the interlayer insulating layer 313 in a direction perpendicular to a plane of the display panel, and the second through hole H2 at least partially overlaps the light transmission area FA. That is, in the light-transmitting area FA, at least a partial region where the interlayer insulating layer 313 is not provided is advantageous for improving the light-transmitting property of the light-transmitting area FA. Optionally, the vertical projection of the light-transmitting area FA on the plane of the display panel is located in the vertical projection of the second through hole H2 on the plane of the display panel, that is, the interlayer insulating layer 313 is not disposed in the light-transmitting area FA, which is beneficial to improving the light-transmitting property of the whole light-transmitting area FA.
With continued reference to fig. 13, in some optional embodiments, the display panel includes a color filter substrate 40, where the color filter substrate 40 includes a second substrate 41, and a black matrix BM, a color resist layer 42, and a color filter planarization layer 43 sequentially stacked on one side of the second substrate 41 close to the array substrate 30.
In the light-transmitting area FA, the vertical projection of the first signal line 10 on the plane of the display panel is located in the vertical projection of the black matrix BM on the plane of the display panel, so that the first wire 10 is shielded by the black matrix BM, and the first wire 10 is prevented from being visible due to the fact that external ambient light enters the display panel and is reflected on the first wire 10.
The color-resist layer 42 includes a third through hole H3 in a direction perpendicular to the plane of the display panel, the third through hole H3 penetrates the color-resist layer 42 in the direction perpendicular to the plane of the display panel, and the third through hole H3 at least partially overlaps the light-transmitting area FA. That is, in the light-transmitting area FA, at least a part of the area where the color resist layer 42 is not provided is advantageous for improving the light-transmitting property of the light-transmitting area FA. Optionally, the vertical projection of the light-transmitting area FA on the plane of the display panel is located in the vertical projection of the third through hole H3 on the plane of the display panel, that is, the color-resist layer 42 is not disposed in the light-transmitting area FA, which is beneficial to improving the light transmission of the whole light-transmitting area FA.
It should be noted that fig. 13 exemplarily shows that the display panel is a liquid crystal display panel, and the liquid crystal display panel further includes a liquid crystal layer 50 located between the array substrate 30 and the color filter substrate 40. Of course, in other embodiments of the present invention, the display panel may also be an organic light emitting display panel, a micro light emitting diode display panel, or other types of display panels, and when the display panel is an organic light emitting display panel, a micro light emitting diode display panel, or other types of display panels, the structure of the array substrate in the display panel may refer to fig. 13, which is not repeated herein.
Referring to fig. 9 and 10, in some alternative embodiments, the first signal line 10 is a data line D, and the data line D is located in the first metal layer M1.
The gate insulating layer 312 includes a first through hole, and the first through hole penetrates through the gate insulating layer 312 in a direction perpendicular to a plane of the display panel, and at least partially overlaps the light-transmitting area FA. That is, in the light-transmitting area FA, at least a partial area where the gate insulating layer 312 is not disposed is advantageous for improving the light-transmitting property of the light-transmitting area FA. The interlayer insulating layer 313 includes a second through hole, the second through hole penetrates through the interlayer insulating layer 313 in a direction perpendicular to a plane of the display panel, and the second through hole is at least partially overlapped with the light-transmitting area FA. That is, in the light-transmitting area FA, at least a partial region where the interlayer insulating layer 313 is not provided is advantageous for improving the light-transmitting property of the light-transmitting area FA.
It should be noted that, for clarity, the first through hole and the second through hole are not labeled in fig. 10, and fig. 13 may be referred to for a corresponding structure.
With continued reference to fig. 9 and 10, in some alternative embodiments, the array substrate 30 further includes an array planarization layer 34 and a second metal layer M2, wherein the array planarization layer 34 is located on a side of the circuit layer 33 away from the first substrate 31, and the second metal layer M2 is located on a side of the array planarization layer 34 away from the first substrate 31.
The display panel further includes a plurality of touch lines TP arranged along the first direction X, the touch lines TP are located on the second metal layer M2, and a portion of at least one touch line TP is located in the light-transmitting area FA. In the light-transmitting area FA, the data line D and the touch line TP are at least partially overlapped in a direction perpendicular to a plane of the display panel, the array planarization layer 34 is disposed between the data line D and the touch line TP, and the data line D and the touch line TP are insulated from each other by the array planarization layer 34. Along the direction of the plane where the display panel is located, the data line D and the touch line TP can be at least partially overlapped, the vertical projection area of the data line D and the touch line TP on the plane where the display panel is located in the light-transmitting area FA can be reduced, the influence on the light transmission of the light-transmitting area FA when the data line D and the touch line TP are partially arranged in the light-transmitting area FA is reduced, and the light transmission of the light-transmitting area FA is improved.
With continued reference to fig. 11 and 12, in some alternative embodiments, the array substrate 30 further includes an array planarization layer 34 and a second metal layer M2, wherein the array planarization layer 34 is located on a side of the circuit layer 33 away from the first substrate 31, and the second metal layer M2 is located on a side of the array planarization layer 34 away from the first substrate 31.
The display panel further includes a plurality of touch lines TP arranged along the first direction X, where the touch lines TP are at least partially located on the second metal layer M2, a portion of the routing of at least one touch line TP is located in the transparent area FA, and in the transparent area FA, the touch lines TP are located on the first metal layer M1, that is, in the transparent area FA, the data lines D and the touch lines TP are all located on the first metal layer M1.
In the light transmissive region FA, the data lines D and the touch lines TP are all located in the first metal layer M1, so that the array planarization layer 34 does not need to be disposed between the data lines D and the touch lines TP, and thus the array planarization layer 34 may include a fourth through hole H4, the fourth through hole H4 penetrates through the array planarization layer 34 in a direction perpendicular to a plane of the display panel, and the fourth through hole H4 at least partially overlaps the light transmissive region FA. That is, in the light-transmitting area FA, there is at least a partial area where the array planarization layer 34 is not disposed, which is advantageous for improving the light-transmitting property of the light-transmitting area FA. Optionally, the vertical projection of the light-transmitting area FA on the plane of the display panel is located in the vertical projection of the fourth through hole H4 on the plane of the display panel, that is, the array planarization layer 34 is not disposed in the light-transmitting area FA, which is beneficial to improving the light transmission of the whole light-transmitting area FA.
In some optional embodiments, please refer to fig. 14, fig. 14 is a schematic plan view of a display device provided in the present invention, and the display device 1000 provided in the present embodiment includes the display panel 100 provided in the above embodiments of the present invention. The embodiment of fig. 14 only uses a mobile phone as an example to describe the display device 1000, and it should be understood that the display device 1000 provided in the embodiment of the present invention may also be another display device 1000 having a display function, such as a computer, a television, a vehicle-mounted display device, and the present invention is not limited thereto. The display device 1000 provided in the embodiment of the present invention has the beneficial effects of the display panel 100 provided in the embodiment of the present invention, and specific reference may be made to the specific description of the display panel 100 in the foregoing embodiments, and the detailed description of the embodiment is not repeated herein.
As can be seen from the above embodiments, the display panel and the display device provided by the present invention at least achieve the following beneficial effects:
the display panel provided by the invention comprises a plurality of first signal wires which are arranged along the first direction, and the length of the light-transmitting area in the first direction is longer because the light-transmitting area extends along the first direction, so that the arrangement of the light-transmitting area has larger influence on the wiring of a large number of first signal wires. If the first signal line influenced by the light-transmitting area only extends from one side of the light-transmitting area in the second direction to the other side of the light-transmitting area in the second direction through the wiring area, the number of wires in the portions located on the two sides of the wiring area along the first direction is large, the area of the portions located on the two sides of the wiring area along the first direction is large, and the narrow frame surrounding the light-transmitting area is not facilitated. Wherein the first direction and the second direction intersect. In the invention, part of the routing of at least one first signal wire is positioned in the light-transmitting area, namely, at least one first signal wire exists in the first signal wires influenced by the light-transmitting area, and extends from one side of the light-transmitting area in the second direction to the other side of the light-transmitting area in the second direction through the light-transmitting area, so that the number of the first signal wires extending from one side of the light-transmitting area in the second direction to the other side of the light-transmitting area in the second direction only through the wiring area is reduced, the area of the wiring area is reduced, and the narrow frame surrounding of the light-transmitting area is realized. And because the printing opacity district extends along first direction, printing opacity district's length in first direction is longer promptly, and partial walk line of part first signal line is located printing opacity district and is less to printing opacity influence of printing opacity district.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (17)
1. A display panel, comprising: the display device comprises a light-transmitting area, a wiring area surrounding the light-transmitting area and a display area at least partially surrounding the wiring area, wherein the light-transmitting area extends along a first direction;
a plurality of first signal lines arranged in the first direction;
and part of routing of at least one first signal line is positioned in the light-transmitting area.
2. The display panel according to claim 1,
the first signal line is a data line.
3. The display panel according to claim 1,
the first signal line is a scanning line.
4. The display panel according to claim 1,
the display panel further comprises a plurality of second signal lines arranged along a second direction, wherein the second direction intersects with the first direction;
and part of routing of at least one second signal line is positioned in the light-transmitting area.
5. The display panel according to claim 4,
at least part of odd-numbered first signal lines are positioned in the light-transmitting area, or at least part of even-numbered first signal lines are positioned in the light-transmitting area;
at least part of odd lines of the second signal lines are located in the light-transmitting area, or at least part of even lines of the second signal lines are located in the light-transmitting area.
6. The display panel according to claim 1,
the at least one first signal line comprises a first routing part and a second routing part, the first routing part is located in the light-transmitting area, and the second routing part is at least partially located in the display area;
in at least one of the first signal lines, at least a portion of the first routing portion has a width in the first direction that is smaller than at least a portion of the second routing portion.
7. The display panel according to claim 6,
the display panel further comprises a black matrix, and the vertical projection of the first routing wire on the plane of the display panel is located in the vertical projection of the black matrix on the plane of the display panel;
the black matrix comprises a first shading part and a second shading part, wherein the vertical projection of the first routing part on the plane of the display panel is positioned in the vertical projection of the first shading part on the plane of the display panel, and the vertical projection of the second routing part on the plane of the display panel is positioned in the vertical projection of the second shading part on the plane of the display panel;
at least one of the first light-shielding portions has a width in the first direction at least partially smaller than that of at least one of the second light-shielding portions.
8. The display panel according to claim 1,
at least one first signal line comprises a first routing part, the first routing part is located in the light-transmitting area, and the first routing part comprises at least one bending structure.
9. The display panel according to claim 2,
the display panel further comprises a plurality of touch lines arranged along the first direction;
and part of routing of at least one touch line is positioned in the light-transmitting area.
10. The display panel according to claim 9,
the display panel comprises a first metal layer and a second metal layer which are insulated from each other, the data line is positioned on the first metal layer, and the touch line is positioned on the second metal layer;
in the light-transmitting area, the data lines and the touch lines are at least partially overlapped along a direction perpendicular to the plane of the display panel.
11. The display panel according to claim 9,
the display panel comprises a first metal layer, and the data line and the touch control line are both positioned in the first metal layer in the light-transmitting area;
the data lines and the touch lines do not overlap in a direction perpendicular to a plane of the display panel.
12. The display panel according to claim 1,
the display panel includes an array substrate, the array substrate including:
a first substrate;
a buffer layer on one side of the first substrate;
a circuit layer located on one side of the buffer layer away from the first substrate, the circuit layer including an active layer, a gate insulating layer, a gate metal layer, an interlayer insulating layer and a first metal layer, wherein the active layer is located on one side of the buffer layer away from the first substrate, the gate insulating layer is located on one side of the active layer away from the first substrate, the gate metal layer is located on one side of the gate insulating layer away from the first substrate, the interlayer insulating layer is located on one side of the gate metal layer away from the first substrate, the first metal layer is located on one side of the interlayer insulating layer away from the first substrate, or the gate metal layer is located on one side of the buffer layer away from the first substrate, the gate insulating layer is located on one side of the gate metal layer away from the first substrate, and the active layer is located on one side of the gate insulating layer away from the first substrate, the interlayer insulating layer is positioned on one side of the active layer, which is far away from the first substrate, and the first metal layer is positioned on one side of the interlayer insulating layer, which is far away from the first substrate;
the first signal line is positioned on the grid metal layer or the first metal layer;
the gate insulating layer includes a first through hole that penetrates the gate insulating layer in a direction perpendicular to a plane in which the display panel is located, and the first through hole is at least partially overlapped with the light-transmitting region, and/or the interlayer insulating layer includes a second through hole that penetrates the interlayer insulating layer in a direction perpendicular to the plane in which the display panel is located, and the second through hole is at least partially overlapped with the light-transmitting region.
13. The display panel according to claim 12,
the display panel comprises a color film substrate, wherein the color film substrate comprises a second substrate, and a black matrix, a color resistance layer and a color film planarization layer which are sequentially stacked on one side of the second substrate close to the array substrate;
in the light-transmitting area, the vertical projection of the first signal line on the plane of the display panel is positioned in the vertical projection of the black matrix on the plane of the display panel;
the color resistance layer comprises a third through hole along the direction vertical to the plane of the display panel, the third through hole penetrates through the color resistance layer along the direction vertical to the plane of the display panel, and the third through hole is at least partially overlapped with the light-transmitting area.
14. The display panel according to claim 12,
the first signal line is a data line, and the data line is positioned on the first metal layer;
the gate insulating layer includes a first through hole that penetrates the gate insulating layer in a direction perpendicular to a plane where the display panel is located, and the first through hole is at least partially overlapped with the light-transmitting area, and the interlayer insulating layer includes a second through hole that penetrates the interlayer insulating layer in a direction perpendicular to the plane where the display panel is located, and the second through hole is at least partially overlapped with the light-transmitting area.
15. The display panel according to claim 14,
the array substrate further includes:
the array planarization layer is positioned on one side, far away from the first substrate, of the circuit layer;
the second metal layer is positioned on one side, far away from the first substrate, of the array planarization layer;
the display panel further comprises a plurality of touch lines arranged along the first direction, the touch lines are located on the second metal layer, and part of routing lines of at least one touch line are located in the light-transmitting area;
in the light-transmitting area, the data lines and the touch control lines are at least partially overlapped along a direction perpendicular to the plane of the display panel, and the array planarization layer is positioned between the data lines and the touch control lines.
16. The display panel according to claim 14,
the array substrate further includes:
the array planarization layer is positioned on one side, far away from the first substrate, of the circuit layer;
the second metal layer is positioned on one side, far away from the first substrate, of the array planarization layer;
the display panel further comprises a plurality of touch control lines arranged along the first direction, at least part of the touch control lines are located on the second metal layer, part of routing lines of at least one touch control line are located in the light transmission area, and the touch control lines are located on the first metal layer in the light transmission area;
the array planarization layer comprises a fourth through hole, the fourth through hole penetrates through the array planarization layer along the direction perpendicular to the plane of the display panel, and the fourth through hole is at least partially overlapped with the light transmitting area.
17. A display device characterized in that the display device comprises the display panel according to any one of claims 1 to 16.
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