CN212874001U

CN212874001U - Display panel and display device

Info

Publication number: CN212874001U
Application number: CN202021205664.9U
Authority: CN
Inventors: 杨星星; 马扬昭; 吴风云
Original assignee: Wuhan Tianma Microelectronics Co Ltd
Current assignee: Wuhan Tianma Microelectronics Co Ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-04-02
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses a display panel and display device relates to and shows technical field, including display area and non-display area, the display area includes first display area and second display area, the second display area at least partly surrounds the first display area; the display area comprises a plurality of sub-pixels and a pixel driving circuit electrically connected with the sub-pixels, the pixel driving circuit electrically connected with the sub-pixels of the first display area is at least partially positioned in the second display area, and the pixel driving circuit is correspondingly and electrically connected with the sub-pixels positioned in the first display area through signal leads; the signal leads comprise a first lead located in the first display area, and the first lead is an arc. Therefore, the light transmittance of the first display area is improved, and the diffraction phenomenon of the first display area is improved.

Description

Display panel and display device

Technical Field

The utility model relates to a show technical field, more specifically relates to a display panel and display device.

Background

With the development of display technology, display panels have higher screen occupation ratio, and full screens have wide attention due to the narrow-frame or even frameless display effect. At present, spaces are often reserved for electronic photosensitive devices such as commonly used front cameras, infrared sensing devices and fingerprint identification devices on the front of display equipment such as mobile phones and tablet computers. For example, the photosensitive devices are arranged at the top position of the front surface of the display device, and the corresponding positions form a non-display area, so that the screen occupation ratio of the device is reduced.

In the prior art, in order to increase the screen ratio, a high-transmittance region may be formed in the display region of the display panel to accommodate the above-mentioned light sensing device.

With the development and demand of full-screen, more and more electronic photosensitive devices are required to be integrated below the screen. For example, a semi-transparent area is arranged on the display screen, and the camera is arranged below the screen and correspondingly arranged in the semi-transparent area. During normal display, the semi-permeable area can play a display role; when needing to shoot or take a video, the camera shoots photos or videos through the semi-transparent area, so that the semi-transparent area can synchronously realize the functions of displaying and shooting. However, the semi-transparent area needs to realize the display function, part of metal wires are arranged in the semi-transparent area, and due to the fact that gaps exist between the metal wires, the diffraction problem of light is easily caused by the gaps, the normal imaging function of the camera is affected by the diffraction problem, imaging is not clear, and the shooting effect is affected.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a display panel and display device, the luminousness that both is favorable to promoting first display area is favorable to improving the diffraction phenomenon of first display area again.

In a first aspect, the present application provides a display panel comprising a display area and a non-display area, the display area comprising a first display area and a second display area, the second display area at least partially surrounding the first display area;

the display area comprises a plurality of sub-pixels and a pixel driving circuit electrically connected with the sub-pixels, the pixel driving circuit electrically connected with the sub-pixels of the first display area is at least partially positioned in the second display area, and the pixel driving circuit is correspondingly and electrically connected with the sub-pixels positioned in the first display area through signal leads;

the signal leads comprise a first lead located in the first display area, and the first lead is an arc.

In a second aspect, the present application provides a display device including the display panel provided by the present application.

Compared with the prior art, the utility model provides a display panel and display device has realized following beneficial effect at least:

in the display panel and the display device provided by the present invention, the display area includes the first display area and the second display area, and the second display area at least partially surrounds the first display area; in the normal display stage, the first display area can be used for normally displaying the picture; in the shooting stage, the first display area can transmit external light to the corresponding position of the camera, so that the shooting function is realized. Therefore, the shooting area is equivalently integrated in the display area, and the screen occupation ratio of the display panel and the display device is favorably improved. In addition, at least part of the pixel driving circuits electrically connected with the sub-pixels of the first display area are located in the second display area, that is, the pixel driving circuits are not arranged at the positions corresponding to the first display area, but at least part of the pixel driving circuits connected with the sub-pixels of the first display area are moved to the second display area, so that the pixel driving circuits are prevented from occupying the space of the first display area, and the light transmittance of the first display area is greatly improved. In addition, the sub-pixels of the first display area are electrically connected with the pixel driving circuit through the signal leads, the first leads positioned in the first display area in the signal leads are designed into arcs, the diffraction degree of the first display area can be greatly reduced, and therefore the influence of the diffraction phenomenon on the picture shot by the camera is weakened, the definition of the shot picture is favorably improved, and the shooting picture quality is improved.

Of course, it is not necessary for any product of the present invention to 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 of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a top view of a display panel according to an embodiment of the present disclosure;

fig. 2 is a partial schematic view of a display area in a display panel according to an embodiment of the present disclosure;

FIG. 3 is an AA' cross-sectional view of the display panel of FIG. 2;

FIG. 4 is a partial enlarged view of a first lead line in the first display region;

FIG. 5 is an enlarged partial view of a first lead line in the first display region;

FIG. 6 is a diagram showing a connection relationship between a first lead and a sub-pixel in a first display region;

FIG. 7 is an enlarged partial view of a first lead line in the first display region;

FIG. 8 is a BB' cross-sectional view of the display panel of FIG. 7;

FIG. 9 is an enlarged partial view of a first lead line in the first display region;

FIG. 10 is an enlarged partial view of a first lead line in the first display region;

FIG. 11 is a cross-sectional view of the display panel of FIG. 10, taken along line CC';

FIG. 12 is a schematic view of an arrangement of first lead lines in different layers in a first display region;

FIG. 13 is a schematic view showing another arrangement of first lead lines in different layers in a first display region;

FIG. 14 is a schematic view showing another arrangement of first lead lines in different layers in a first display region;

FIG. 15 is a diagram illustrating a structure of a portion of a film corresponding to one sub-pixel shown in FIG. 1;

FIG. 16 is a schematic view showing an arrangement of anodes for subpixels in the first display region;

FIG. 17 is a schematic view showing another arrangement of anodes for sub-pixels in the first display region;

FIG. 18 is a schematic view showing an arrangement of cathodes of subpixels in the first display region;

fig. 19 is a schematic layout view of the touch electrodes and the corresponding traces in the first display area;

fig. 20 is a schematic view illustrating a display device according to an embodiment of the present disclosure.

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: unless specifically stated otherwise, 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.

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.

In the prior art, in order to realize a full-screen design, a conventional display area and a semi-transparent area are arranged on a display panel, and photosensitive devices such as a camera are arranged in the semi-transparent area. When in normal display, the conventional display area and the semi-transparent area both play a display role; when needing to shoot or take a video, the camera shoots photos or videos through the semi-transparent area, so that the semi-transparent area can synchronously realize the functions of displaying and shooting. When the semi-transparent area realizes the display function, part of the metal wires are arranged in the semi-transparent area, and the semi-transparent area is easy to generate light diffraction when gaps exist between the metal wires, so that the normal imaging function of the camera is influenced.

The following detailed description is to be read in connection with the drawings and the detailed description.

Fig. 1 is a top view of a display panel provided in an embodiment of the present application, and fig. 2 is a partial schematic view of a display area in the display panel provided in the embodiment of the present application, please refer to fig. 1 and fig. 2, the present application provides a display panel 100, which includes a display area 10 and a non-display area 20, wherein the display area 10 includes a first display area 11 and a second display area 12, and the second display area 12 at least partially surrounds the first display area 11;

the display area 10 comprises a plurality of sub-pixels 30 and a pixel driving circuit 40 electrically connected with the sub-pixels 30, the pixel driving circuit 40 electrically connected with the sub-pixels 30 of the first display area 11 is at least partially located in the second display area 12, and the pixel driving circuit 40 is correspondingly and electrically connected with the sub-pixels 30 located in the first display area 11 through signal leads 50;

the signal leads 50 include a first lead 51 located in the first display area 11, and the first lead 51 is an arc.

It should be noted that fig. 1 only shows that the display panel 100 includes one first display area 11, in some other embodiments of the present application, two or more first display areas 11 may also be disposed on the display panel 100 as needed, which is not specifically limited in the present application, and the following description will only take the case where the display panel 100 includes one first display area 11 as an example, and all the cases where the display panel 100 includes a plurality of first display areas 11 can be executed with reference to the embodiments of the present application. Fig. 1 also shows only one relative position relationship between the first display area 11 and the second display area 12 in the display panel 100, and in some other embodiments of the present application, the first display area 11 may also be located at other positions in the display panel 100, which is not specifically limited in the present application; in addition, the shape of the first display area 11 in fig. 1 is also only schematic, in some other embodiments of the present application, the first display area 11 may also be embodied in other shapes such as an ellipse, and the size of the first display area 11 may also be set according to actual requirements, which is not specifically limited in this application. In addition, the arrangement of the pixels in the second display area is not shown in this application, and the arrangement of the pixels in the second display area can be referred to the arrangement of the pixels in the prior art, which is not specifically limited in this application.

It should be noted that fig. 2 only shows a connection relationship between the sub-pixels 30 and the first lead 51 in the first display area 11, and does not represent the actual number of the sub-pixels 30 and the first lead 51 in the first display area. In addition, the arrangement of the sub-pixels 30 is also only an illustration, in some other embodiments of the present application, the sub-pixels 30 may also adopt other arrangements, and a specific feasible arrangement will be described in the following embodiments. Alternatively, the pixel driving circuit 40 electrically connected to the sub-pixels in the first display region 11 may be disposed in the second display region at a position close to the first display region, for example, the pixel driving circuit 40 may be disposed around the first display region 11, which is not limited in this application, and fig. 2 only illustrates a relative positional relationship between the pixel driving circuit 40 and the sub-pixels 30 in the first display region 11.

Specifically, referring to fig. 1, in the display panel 100 provided in the present application, the display area 10 includes a first display area 11 and a second display area 12, and the second display area 12 at least partially surrounds the first display area 11; in the normal display stage, the first display area 11 can be used for displaying the picture normally; in the shooting stage, the first display area 11 can transmit external light to a corresponding position of the camera, so as to realize the shooting function. In this way, the shooting area is equivalently integrated in the display area 10, which is beneficial to improving the screen occupation ratio of the display panel 100 and is more beneficial to realizing the full screen design.

Referring to fig. 2, at least a portion of the pixel driving circuit 40 electrically connected to the sub-pixels 30 of the first display area 11 is located in the second display area 12, that is, the pixel driving circuit 40 is not disposed at a position corresponding to the first display area 11, but at least a portion of the pixel driving circuit 40 connected to the sub-pixels 30 of the first display area 11 is moved to the second display area 12, and the signal lead 50 is used to electrically connect the pixel driving circuit 40 to the sub-pixels 30 in the first display area 11, which effectively prevents the pixel driving circuit 40 from occupying the space of the first display area 11, so that the light transmittance of the first display area 11 is greatly improved, and in the shooting stage, more light can pass through the first display area 11 and be transmitted to the camera, thereby facilitating improvement of the shooting quality of the camera.

In the prior art, when the first display region 11 has a straight-edge boundary, diffraction superposition will occur, resulting in a more serious diffraction degree. In the present application, the sub-pixel 30 of the first display area 11 is electrically connected to the pixel driving circuit 40 through the signal lead 50, each signal lead 50 includes the first lead 51 located in the first display area 11, the first lead 51 located in the first display area 11 is designed to be an arc line in the present application, a straight edge boundary of the first display area 11 is avoided, the diffraction degree of the first display area 11 can be greatly reduced, thereby the influence of the diffraction phenomenon on the picture shot by the camera is weakened, thereby being beneficial to improving the definition of the shot picture and improving the shooting picture quality.

In an alternative embodiment of the present invention, fig. 3 is an AA' cross-sectional view of the display panel 100 in fig. 2, and at least two first leads 51 are arranged in different layers in the first display area 11.

Specifically, the first lead lines 51 located in the first display area 11 are arranged in different layers, for example, fig. 3 shows a situation that part of the first lead lines 51 are respectively arranged on two different film layers, when the first lead lines 51 are distributed on the two different film layers, the arrangement density of the first lead lines 51 in the first display area 11 is favorably reduced, and the situation that the distance between two adjacent first lead lines 51 arranged on the same layer is too small to cause signal coupling between the two first lead lines 51 and affect the normal display of the sub-pixels 30 in the first display area 11 is prevented. Therefore, the first lead lines 51 are arranged in different layers, so that the signal coupling phenomenon among the first lead lines 51 can be improved, and the accuracy of signal transmission of the first display area 11 in the display stage can be improved.

It should be noted that fig. 3 only shows the case of distributing the first wires 51 in two different film layers, in some other embodiments of the present application, the present application may also distribute the first wires 51 in the first display area 11 in 3, 4 or more film layers to further reduce the signal coupling phenomenon between the first wires 51, and the present application will not be illustrated for the embodiment of distributing the first wires in 3 and more film layers.

Optionally, the first lead 51 disposed in the first display area 11 in this application may adopt a transparent trace, for example, may be made of a transparent material such as ITO, so as to further improve the light transmittance of the first display area 11.

In an alternative embodiment of the present invention, fig. 4 is a partially enlarged schematic view of a first lead 51 in a first display area 11, in the first display area 11, each of the first leads 51 includes a first arc 61 and a second arc 62 connected to each other and alternately disposed, a circle center of a circle corresponding to the first arc 61 is located on a first side of the first lead 51, a circle center of a circle corresponding to the second arc 62 is located on a second side of the first lead 51, and the first side is opposite to the second side.

Specifically, with continued reference to fig. 4, in the first display area 11, the first wire 51 includes a first arc 61 and a second arc 62 connected to each other and alternately arranged, and centers of the first arc 61 and the second arc 62 are located at different sides of the first wire 51, so that the first wire 51 forms a structure similar to a sine curve or a cosine curve. When the first lead 51 of the first display area 11 is set to be a sine curve or a cosine curve, the diffraction caused by the regular structure of the first lead 51 is favorably improved, so that the diffraction degree of the first display area 11 is favorably further reduced, and the influence of the diffraction phenomenon on the picture shot by the camera is favorably reduced.

It should be noted that fig. 4 shows a situation that the structures of the first leads 51 in the first display area 11 are the same, in some other embodiments of the present invention, the first leads 51 located in the first display area 11 may also adopt other different structures, for example, please refer to fig. 5, fig. 5 shows another schematic partial enlarged view of the first leads 51 in the first display area 11, in this embodiment, a part of the first leads 51 are routed by using a sine structure, a part of the first leads 51 are routed by using a cosine structure, and the irregular arrangement of the first leads 51 in the first display area 11 is more beneficial to reducing the diffraction phenomenon in the first display area 11, and is more beneficial to improving the shooting image quality of the camera.

In an alternative embodiment of the present invention, please continue to refer to fig. 2, fig. 4 and fig. 5, in the first display area 11: the plurality of sub-pixels 30 form a plurality of pixel units 80, in each pixel unit 80, the distance between any two adjacent sub-pixels 30 is D0, and the radius of the circle corresponding to the first arc line 61/the second arc line 62 is R, wherein R is less than or equal to 2D 0.

Specifically, the radius of the circle corresponding to the first arc 61 and the second arc 62 in the first wire 51 is set to be less than or equal to 2 times the distance between adjacent sub-pixels, so that the bending degree of the first arc 61 and the second arc 62 can be increased, and the phenomenon that the first arc 61 and the second arc 62 approach a straight line due to the fact that the radius of the circle corresponding to the first arc 61 and the second arc 62 is too large is avoided, and when the first arc 61 and the second arc 62 approach a straight line, that is, the bending degree of the first arc 61 and the second arc 62 is not obvious, which is not beneficial to effectively improving the diffraction phenomenon of the first display area. In the application, the radius of the circle corresponding to the first arc line 61/the second arc line 62 is set to be R < 2D0, so that the bending degree of the first arc line 61 and the second arc line 62 is obvious, and the diffraction phenomenon of the first display area is effectively improved.

It should be noted that fig. 4 and fig. 5 only show a partial schematic diagram of the first lead line in the first display area, and the connection relationship between the first lead line and the sub-pixel is not shown. The connection relationship between the first lead of the arc structure and the sub-pixel will be described with reference to fig. 6, wherein fig. 6 is a connection relationship diagram of the first lead and the sub-pixel in the first display region. Referring to fig. 6, in this embodiment, the first leads 51 located in different film layers are distinguished by a dotted line and an implementation form, where the first lead of the solid line structure is located in the same film layer, the first lead of the dotted line structure is located in another same film layer, each sub-pixel 30 is electrically connected to one first lead 51, and the first lead 51 may be in a form of a sine line or a cosine line or other forms of curves.

In an alternative embodiment of the present invention, fig. 7 is another partially enlarged schematic view of the first lead 51 in the first display area 11, fig. 8 is a BB' cross-sectional view of the display panel 100 in fig. 7, and in the first display area 11, the orthographic projections of the first leads 51 arranged in different layers on the light-emitting surface of the display panel 100 are overlapped; in each of the first leads 51 located in the same layer, along the arrangement direction of the first leads 51, a first interval H is included between any two adjacent first leads 51, and the widths of the first intervals H are equal.

Specifically, with continuing reference to fig. 7 and 8, this embodiment shows a relative positional relationship of the first lead lines 51 in two film layers when the first lead lines 51 in the first display region 11 are disposed in two different film layers. Along the direction of the light-emitting surface of the display panel 100, the first leads 51 located in the two films are arranged in a one-to-one correspondence manner, orthographic projections of the two first leads 51 arranged in the one-to-one correspondence manner on the light-emitting surface of the display panel 100 are overlapped, a first interval H is formed between the first leads 51 located on the same layer and any adjacent first leads, the width of each first interval H is set to be equal, the first leads 51 in the first display area 11 are uniformly distributed, so that the overall transmittance of the first display area 11 is uniform, thereby being beneficial to avoiding the phenomenon that the local light in the first display area 11 is too much, the local light is too little and the normal shooting of the camera is influenced, and being also beneficial to improving the shooting image quality of the camera.

In an alternative embodiment of the present invention, fig. 9 is another partial enlarged schematic view of the first lead in the first display area, the first display area 11 at least includes a first area Q1 and a second area Q2, and the number of the first leads 51 arranged in the first area Q1 is greater than the number of the first leads 51 arranged in the second area Q2;

the line widths of the first lead lines 51 in the first region Q1 are the same and are all D1, and the line widths of the first lead lines 51 in the second region Q2 are the same and are all D2, wherein D1 < D2.

Specifically, referring to fig. 2 and 9, since a plurality of sub-pixels 30 are distributed in the first display region 11, when the driving circuit 40 electrically connected to some of the sub-pixels 30 is located on the same side of the first display region 11, because the sub-pixels 30 are not located at the same distance from the edge region of the first display region 11, the length of the first lead 51 connected to the sub-pixel 30 farther from the edge region of the first display region 11 is inevitably greater than the length of the first lead 51 connected to the sub-pixel 30 closer to the edge region of the first display region 11, and thus, different numbers of lead arrangements in different regions occur, for example, the number of the first lead 51 arranged in the edge region (corresponding to the first region Q1) closer to the first display region 11 is greater, the number of the first lead 51 arranged in the region (corresponding to the second region Q2) farther from the edge of the first display region 11 is smaller, the line width of the first lead wire 51 of the first area Q1 is designed to be smaller than that of the first lead wire 51 of the second area Q2, so that the width H1 of the first interval between two adjacent first lead wires 51 of the first area Q1 is equal to the width H2 of the first interval between two adjacent first lead wires 51 of the second area Q2, the overall transmittance of the first display area 11 is uniform, the phenomenon that the normal shooting of the camera is affected due to too little local light in the first display area 11 is avoided, and in addition, the load difference between the lead wires can be balanced, so that the shooting image quality of the camera is improved.

In an optional embodiment of the present invention, fig. 10 is another enlarged partial schematic view of the first leads 51 in the first display area 11, fig. 11 is a CC' sectional view of the display panel 100 in fig. 10, a second interval H3 is formed between two adjacent first leads 51 in the arrangement direction on the same layer, the first lead 51 on the other layer is disposed corresponding to the second interval H3, and the orthographic projection of the first lead 51 on the light-emitting surface of the display panel 100 on the other layer coincides with the orthographic projection of the second interval H3 on the light-emitting surface of the display panel 100.

Specifically, please refer to fig. 10 and 11, this embodiment shows another arrangement manner when the first leads 51 are distributed on two different film layers, a second interval H3 is formed between two adjacent first leads 51 located on the same layer and in the arrangement direction, and an orthogonal projection of the first lead 51 located on the other layer on the light exit surface of the display panel 100 is located in the second interval H3, so that the first leads 51 are uniformly distributed in the first display area 11, and in the orthogonal projection of each first lead 51 on the light exit surface of the display panel 100, there is no interval between any two adjacent first leads 51, so that the transmittances of all positions in the first display area 11 are kept consistent, which is more favorable for improving the uniformity of the transmittances in the first display area 11, and is more favorable for improving the shooting quality of the camera. In order to clearly show the content of the present application, although a certain interval exists between two adjacent first leads 51 in the schematic diagram shown in fig. 10, in implementation, in a plan view, the first leads 51 do not have the first interval H between orthographic projections of the light emitting surface, but are shown in the structure shown in fig. 11, and the first leads 51 of another layer are arranged at the positions of the second intervals.

In an optional embodiment of the present invention, please refer to fig. 12-14, at least a portion of the first leads 51 disposed in different layers overlap and do not overlap at least a portion of the orthographic projection of the light emitting surface of the display panel 100.

Specifically, fig. 12, fig. 13, and fig. 14 respectively show several arrangement schematic diagrams of the first lead lines 51 located in different layers in the first display area 11, and fig. 12 to fig. 14 only take two first lead lines 511 and 512 located in different layers in the first display area 11 as an example for description, in these embodiments, orthogonal projections of the first lead lines 511 and the first lead lines 512 arranged in different layers on the light exit surface of the display panel 100 at least partially overlap and do not overlap. In fig. 12-14, the first leads 511 and 512 are both arc-shaped traces, and the orthographic projections of the light-emitting surfaces of the first leads 511 and 512 disposed in different layers are not overlapped, so that the diffraction phenomenon possibly occurring in the first display region 11 can be effectively improved. It should be noted that, since the first lead and the sub-pixel are usually electrically connected through the wire changing hole, when the routing layout shown in fig. 12 and 14 is adopted, the position of the wire changing hole can be avoided, and thus the space can be saved.

It should be noted that fig. 12-14 use solid lines and dashed lines to distinguish the first lead 511 and the first lead 512 located in different layers, and the distinction between the two is only made in a schematic way, and does not represent that the first lead is a broken line.

In an optional embodiment of the present invention, fig. 15 is a partial film structure diagram corresponding to one sub-pixel 30 in fig. 1, fig. 16 is a schematic layout diagram of anodes 31 of sub-pixels 30 in a first display area 11, please refer to fig. 15 and fig. 16, a display panel 100 provided in the present application includes a substrate 70, a driving layer 71 disposed on the substrate 70, the sub-pixel 30 is located on a side of the driving layer 71 away from the substrate 70, and the driving circuit 40 is located on the driving layer 71; the sub-pixel 30 comprises an anode 31, a light-emitting material layer 32 and a cathode 33 arranged in a direction perpendicular to the substrate 70, the anode 31 being electrically connected with the pixel driving circuit 40; in the first display region 11, the outline of the orthographic projection of the anode 31 on the substrate base plate 70 includes an arc. It should be noted that fig. 15 only illustrates a portion of the film structure corresponding to the sub-pixel, and does not represent the actual film thickness and size.

Specifically, with continuing reference to fig. 2, fig. 15 and fig. 16, the sub-pixel 30 in the present application includes a light emitting material layer 32, and an anode 31 and a cathode 33 respectively located at two sides of the light emitting material layer 32, wherein the anode 31 is electrically connected to the pixel driving circuit/40, specifically, electrically connected to the driving transistor T0 in the pixel driving circuit 40, and embodied in a film structure diagram, optionally, the driving transistor T0 may be, for example, a thin film transistor, and the anode 31 is electrically connected to a drain of the driving transistor T0. It should be noted that the film structure shown in fig. 15 only shows one thin film transistor in the driving circuit, alternatively, the driving circuit 40 may be a 2T1C circuit or a 7T1C circuit, that is, the driving circuit 40 connected to the sub-pixel in this application may include 2 or more TFTs, and this application is not limited in this respect. During the display, the driving transistor T0 in the pixel driving circuit 40 is turned on, the driving signal is transmitted to the sub-pixel 30, and the sub-pixel 30 is driven to emit light.

Referring to fig. 16, in the present application, the profile of the orthographic projection of the anode 31 of the sub-pixel 30 in the first display area 11 on the substrate 70 is set to be an arc structure, which is beneficial to further reducing the possibility of diffraction caused by a straight line segment appearing in the first display area 11, so that the arc design of the anode 31 is beneficial to further reducing the diffraction phenomenon of the first display area 11, thereby being beneficial to further improving the shooting quality of the camera. It should be noted that the anodes 31 in fig. 16 are filled with different patterns, so as to show that different anodes 31 correspond to different color sub-pixels, and in fact, the circular structures in fig. 16 all represent the anodes 31.

In an alternative embodiment of the present invention, please continue to refer to fig. 16 and fig. 17, an orthographic projection of the anode 31 on the substrate 70 is a circle, wherein fig. 17 is another schematic layout of the anode 31 of the sub-pixel 30 in the first display area 11.

Specifically, fig. 16 and 17 show two different arrangement schematic diagrams of the anodes 31 of the sub-pixels 30 in the first display area 11, that is, fig. 16 and 17 respectively show two different pixel arrangement manners of the first display area 11, fig. 16 shows a case where one pixel unit 80 includes 3 sub-pixels and the 3 sub-pixels are arranged in a triangle, and fig. 17 shows a case where each sub-pixel 30 is arranged in an array. In this application, set up the profile of the positive pole 31 that corresponds to subpixel 30 in first display area 11 into circular, carry out the specialization design to the shape of positive pole 31 promptly, be favorable to further improving the diffraction phenomenon of first display area 11 to further promote the shooting quality of camera. It should be noted that the anodes 31 in fig. 17 are filled with different patterns, so as to represent that different anodes 31 correspond to different color sub-pixels 30, and in fact, the circular structures in fig. 17 all represent the anodes 31.

In an optional embodiment of the present invention, fig. 18 is a schematic diagram illustrating an arrangement of cathodes 33 of sub-pixels 30 in the first display area 11, an orthographic projection of the cathode 33 corresponding to each sub-pixel 30 on the substrate 70 is a circle, any adjacent cathodes 33 are electrically connected through a connecting lead 52, and the connecting lead 52 is an arc line.

Referring to fig. 15 and 18, in the display panel 100, the cathodes 33 corresponding to the sub-pixels 30 are generally equipotential, and normally have a planar structure as a whole, and receive the same potential signal. The present application provides the cathodes 33 of the respective sub-pixels 30 in the first display region 11 in a circular structure independent of each other, and electrically connects the respective independent cathodes 33 through the connection lead 52, thereby achieving equipotential of the cathodes 33 between the different sub-pixels 30. The shape of negative pole 33 has been specially designed in this application, design for circular structure promptly, set up connecting lead 52 between the negative pole 33 into the arc line structure simultaneously, so, the negative pole 33 of further having avoided first display area 11 appears the possibility of straight line lines, when all setting up the negative pole 33 with subpixel 30, positive pole 31 and the connecting lead 52 between the negative pole 33 into the arc structure, be favorable to further improving the diffraction phenomenon of first display area 11 to be favorable to further promoting the shooting quality of camera in first display area 11.

In an optional embodiment of the present invention, please continue to refer to fig. 18, the connecting lead 52 includes a third arc line and a fourth arc line connected to each other, a center of a circle corresponding to the third arc line is located on a first side of the connecting lead 52, a center of a circle corresponding to the fourth arc line is located on a second side of the connecting lead 52, and the first side is opposite to the second side.

Specifically, with continued reference to fig. 18, the connecting lead 52 for connecting the cathode 33 in the present application includes a third arc 63 and a fourth arc 64 connected to each other, and the centers of the third arc 63 and the fourth arc 64 are located on different sides of the connecting lead 52, so that the connecting lead 52 forms a structure similar to a sine curve or a cosine curve. When the connecting lead 52 of the first display area 11 is set to be a sine curve or a cosine curve, the diffraction caused by the regular structure of the connecting lead 52 is favorably improved, so that the diffraction degree of the first display area 11 is favorably further reduced, and the influence of the diffraction phenomenon on the picture shot by the camera is favorably reduced.

In an alternative embodiment of the present invention, referring to fig. 2 and 18, the connecting lead 52 and the signal lead 50 are transparent leads. Specifically, when the connection lead 52 for connecting the cathode 33 and the signal lead 50 connecting the sub-pixel 30 and the driving circuit 40 in the first display area 11 are all set as transparent leads in this application, the influence on the light transmittance of the first display area 11 caused by the metal lead is avoided, and therefore the setting mode of the transparent leads is favorable for improving the light transmittance of the first display area 11, so that in the shooting stage, more light can be transmitted to the camera through the first display area 11, and thus the shooting image quality of the camera is improved. The material of the transparent lead may be, for example, ITO, or other transparent materials having the same performance may be used, and the present application is not limited to this.

In an optional embodiment of the present invention, please refer to fig. 2 and fig. 19, fig. 19 is a schematic diagram illustrating a configuration of the touch electrode 90 and the corresponding trace in the first display area 11, where the first display area 11 further includes at least one touch electrode 90 and a touch trace 91 electrically connected to the touch electrode 90, and the touch trace 91 is an arc line.

Specifically, in the display panel 100 provided in the embodiment of the present application, the touch electrode 90 and the touch trace 91 corresponding to the touch electrode 90 may be further disposed in the first display area 11, so that the first display area 11 has a touch performance. When the touch electrode 90 and the touch trace 91 are disposed in the first display area 11, both the touch electrode 90 and the touch trace 91 can be transparent, so as to avoid the influence of the introduction of the touch electrode 90 and the touch trace 91 on the light transmittance of the first display area 11. In addition, this application still can set up touch-control electrode 90's shape into arc structure, for example set up to circular, sets up touch-control line 91 into the pitch arc simultaneously to reduce touch-control electrode 90 and touch-control introduction of walking line 91 and the diffraction phenomenon that forms, be favorable to improving the diffraction phenomenon of first display area 11 equally, promote the shooting picture quality of camera.

Based on the same utility model concept, the present application further provides a display device, fig. 20 is a schematic view of the display device provided in the embodiments of the present application, please refer to fig. 20, and the display device 200 includes the display panel 100 and the camera 201 provided in any of the embodiments of the present application; wherein, the camera 201 is located in the first display area. In this application, the first lead wire that will be located first display area of penetrating sets up to the pitch arc, can reduce the diffraction degree of first display area greatly to weaken the influence of diffraction phenomenon to the picture that the camera was shot, therefore be favorable to promoting the definition of shooing the picture, promote and shoot the picture quality.

It should be noted that, for the embodiments of the display device 200 provided in the embodiments of the present application, reference may be made to the embodiments of the display panel 100, and repeated descriptions are omitted. The display device 200 provided by the present application may be: any product or component with practical functions such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like.

To sum up, the utility model provides a display panel and display device has realized following beneficial effect at least:

Although certain specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the 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

1. A display panel comprising a display area and a non-display area, the display area comprising a first display area and a second display area, the second display area at least partially surrounding the first display area;

2. The display panel according to claim 1, wherein at least two first lead lines are arranged in different layers in the first display region.

3. The display panel according to claim 1, wherein each of the first wires comprises a first arc line and a second arc line connected to each other and alternately arranged, the first arc line corresponds to a circle having a center located on a first side of the first wire, the second arc line corresponds to a circle having a center located on a second side of the first wire, and the first side and the second side are opposite.

4. The display panel according to claim 3, wherein in the first display region: the sub-pixels form a plurality of pixel units, the distance between any two adjacent sub-pixels in each pixel unit is D0, the radius of a circle corresponding to the first arc line/the second arc line is R, and R is less than or equal to 2D 0.

5. The display panel according to claim 1, wherein in the first display area, orthographic projections of the first leads arranged in different layers on a light emitting surface of the display panel are overlapped; in each first lead in the same layer, along the arrangement direction of the first leads, a first interval is included between any two adjacent first leads, and the widths of the first intervals are equal.

6. The display panel according to claim 5, wherein the first display region includes at least a first region and a second region, and wherein the number of first lead lines arranged in the first region is larger than the number of first lead lines arranged in the second region;

the line widths of the first lead lines in the first region are the same and are D1, and the line widths of the first lead lines in the second region are the same and are D2, wherein D1 < D2.

7. The display panel of claim 1, wherein a second gap is formed between two adjacent first leads on the same layer and in the arrangement direction, the first lead on the other layer is disposed corresponding to the second gap, and an orthogonal projection of the first lead on the light-emitting surface of the display panel on the other layer coincides with an orthogonal projection of the second gap on the light-emitting surface of the display panel.

8. The display panel of claim 1, wherein at least some of the first leads disposed in different layers overlap and do not overlap at least partially in an orthographic projection of the light exiting surface of the display panel.

9. The display panel according to claim 1, comprising a substrate, a driving layer disposed on the substrate, wherein the sub-pixels are disposed on a side of the driving layer away from the substrate, and the driving circuit is disposed on the driving layer;

the sub-pixel comprises an anode, a light-emitting material layer and a cathode which are arranged along the direction vertical to the substrate base plate, and the anode is electrically connected with the pixel driving circuit; in the first display area, the outline of the orthographic projection of the anode on the substrate base plate comprises an arc line.

10. The display panel according to claim 9, wherein an orthogonal projection of the anode on the substrate base plate is circular.

11. The display panel according to claim 9, wherein in the first display region, an orthographic projection of the cathode corresponding to each of the sub-pixels on the substrate base plate is circular, and any adjacent cathode is electrically connected by a connecting lead, and the connecting lead is an arc.

12. The display panel according to claim 11, wherein the connecting lead comprises a third arc and a fourth arc connected to each other, the third arc corresponding to a circle having a center on a first side of the connecting lead, the fourth arc corresponding to a circle having a center on a second side of the connecting lead, the first side and the second side being opposite to each other.

13. The display panel according to claim 11, wherein the connection lead and the signal lead are both transparent leads.

14. The display panel of claim 1, wherein the first display area further comprises at least one touch electrode and a touch trace electrically connected to the touch electrode, wherein the touch trace is an arc.

15. A display device comprising the display panel according to any one of claims 1 to 14 and a camera; wherein the camera is located in the first display area.