阅读说明：本技术 显示面板和显示装置 (Display panel and display device ) 是由 李群杰 于 2021-09-27 设计创作，主要内容包括：本发明公开了一种显示面板和显示装置,显示面板包括衬底基板,以及位于衬底基板上的复合压电薄膜层和复合网线膜层,复合压电薄膜层与复合网线膜层电性连接；复合网线膜层包括第一金属层,和/或,第二金属层；第一金属层包括多个中沿第一方向延伸第二方向排布的第一中空金属管,第一中空金属管内包括第一金属液滴,第一金属液滴在第一方向上做切割磁感线运动对显示面板的电池进行充电；第二金属层包括多个沿第二方向延伸第一方向排布的第二中空金属管,第二中空金属管内包括第二金属液滴,第二金属液滴在第二方向上做切割磁感线运动对显示面板的电池进行充电。通过做切割磁感线运动产生电流增加使用时间,降低充电次数,提高使用寿命。(The invention discloses a display panel and a display device, wherein the display panel comprises a substrate base plate, a composite piezoelectric thin film layer and a composite network cable film layer, wherein the composite piezoelectric thin film layer and the composite network cable film layer are positioned on the substrate base plate and are electrically connected; the composite network wire film layer comprises a first metal layer and/or a second metal layer; the first metal layer comprises a plurality of first hollow metal tubes which are arranged along a first direction and a second direction, first metal liquid drops are contained in the first hollow metal tubes, and the first metal liquid drops perform cutting magnetic induction line movement in the first direction to charge the cells of the display panel; the second metal layer comprises a plurality of second hollow metal tubes which extend along the second direction and are arranged in the first direction, second metal liquid drops are contained in the second hollow metal tubes, and the second metal liquid drops do cutting magnetic induction line movement in the second direction to charge the batteries of the display panel. The current generated by cutting the magnetic induction line increases the service time, reduces the charging times and prolongs the service life.)

1. A display panel is characterized by comprising a substrate base plate, a composite piezoelectric thin film layer and a composite network wire film layer, wherein the composite piezoelectric thin film layer and the composite network wire film layer are positioned on the substrate base plate and are electrically connected;

in the direction vertical to the display panel, the composite network wire film layer comprises a first metal layer and/or a second metal layer;

the first metal layer comprises a plurality of first hollow metal tubes which are arranged along a first direction and a second direction, first metal liquid drops are contained in the first hollow metal tubes, and the first metal liquid drops do cutting magnetic induction line motion in the first direction to charge the battery of the display panel;

the second metal layer comprises a plurality of second hollow metal tubes which extend along the second direction and are arranged along the first direction, second metal liquid drops are contained in the second hollow metal tubes, and the second metal liquid drops do cutting magnetic induction line movement in the second direction to charge the batteries of the display panel;

wherein the first direction and the second direction intersect.

2. The display panel according to claim 1, wherein the composite piezoelectric thin film layer comprises a first electrode layer, a piezoelectric thin film and a second electrode layer in sequence in a direction perpendicular to the display panel, the composite network wire film layer further comprises a voltage control board comprising two first voltage control boards and two second voltage control boards;

the two first voltage control plates are respectively positioned at two ends of the first hollow metal tube, one first voltage control plate is electrically connected with the first electrode layer, and the other first voltage control plate is connected with the second electrode layer;

the two second voltage control plates are respectively positioned at two ends of the second hollow metal tube, one second voltage control plate is electrically connected with the first electrode layer, and the other second voltage control plate is connected with the second electrode layer.

3. The display panel according to claim 1, wherein the composite piezoelectric thin film layer comprises a first electrode layer, a piezoelectric thin film and a second electrode layer in sequence in a direction perpendicular to the display panel, the composite network wire film layer further comprises a voltage control board comprising two first voltage control boards and two second voltage control boards;

the two first voltage control plates are respectively positioned at two ends of the first hollow metal tube, one first voltage control plate is electrically connected with the anode of the battery of the display panel, the other first voltage control plate is electrically connected with the cathode of the battery of the display panel,

the two second voltage control panels are respectively positioned at two ends of the second hollow metal tube, one second voltage control panel is electrically connected with the anode of the battery of the display panel, and the other second voltage control panel is electrically connected with the cathode of the battery of the display panel.

4. The display panel according to claim 1, wherein the composite mesh film layer further comprises a conductive layer in a direction perpendicular to the display panel, the conductive layer comprises a first conductive layer and a second conductive layer, the first conductive layer is located on a side of the first metal layer away from the second metal layer, and the second conductive layer is located on a side of the second metal layer away from the first metal layer;

the conductive layer is electrically connected with the positive electrode of the battery of the display panel.

5. The display panel of claim 1, comprising a first magnetic group and a second magnetic group;

the first magnetic group comprises a first magnet and a second magnet which are oppositely arranged along the first direction, the polarity of the first magnet is opposite to that of the second magnet, the first magnetic group forms a first magnetic field, and the second metal liquid drop performs cutting magnetic induction line movement in the second direction to charge the display panel;

the second magnetic group comprises a third magnet and a fourth magnet which are oppositely arranged along the second direction, the polarities of the third magnet and the fourth magnet are opposite, the second magnetic group forms a second magnetic field, and the first metal liquid drop performs cutting magnetic induction line movement in the first direction to charge the display panel.

6. The display panel of claim 1, wherein the display panel comprises a bending region comprising a bending axis extending along the second direction;

the first hollow metal tube comprises a first sub hollow metal tube and a second sub hollow metal tube, the first sub hollow metal tube and the second sub hollow metal tube are positioned on two sides of the bending shaft, and the first sub hollow metal tube and the second sub hollow metal tube are electrically connected through a conductive part.

7. The display panel according to claim 1, wherein the display panel comprises an organic light emitting layer and a color film layer;

along the direction perpendicular to the display panel, the organic light emitting layer is located between the composite piezoelectric thin film layer and the composite network wire film layer, and the color film layer is located on one side, away from the composite network wire film layer, of the composite piezoelectric thin film layer.

8. The display panel according to claim 1, wherein the battery includes a main battery and an auxiliary battery;

when the electric quantity of the main battery is lower than the threshold electric quantity, the auxiliary battery provides a display power supply for the display panel, and the first metal liquid drop and/or the second metal liquid drop do cutting magnetic induction line motion to charge the main battery of the display panel;

when the electric quantity of the auxiliary battery is lower than the threshold electric quantity, the main battery provides a display power supply for the display panel, and the first metal liquid drop and/or the second metal liquid drop do cutting magnetic induction line motion to charge the auxiliary battery of the display panel.

9. The display panel of claim 1, wherein the composite mesh film layer further comprises an insulating layer, and the insulating layer is located between the first metal layer and the second metal layer in a direction perpendicular to the display panel.

10. A display device characterized by comprising the display panel according to any one of claims 1 to 9.

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 rapid development of the electronic technology level, the 5G mobile phone is widely used, and the double folding and triple folding of the folding screen occur, the larger the size of the mobile phone is, the more obvious the power consumption of the mobile phone battery is, while in the existing charging equipment, the electric energy is directly converted into the chemical energy through the data line and is directly stored in the lithium battery, and the electric energy can be charged once and used, and the equipment for continuously supplying power is not provided, i.e. frequent charging is needed, and the increase of the charging times can directly lead to the reduction of the service life of the mobile phone battery.

Disclosure of Invention

In view of this, the present invention provides a display panel and a display device, which increase the service time, reduce the number of charging times, and improve the service life by cutting the magnetic induction lines to generate current.

In one aspect, the invention provides a display panel, which comprises a substrate, and a composite piezoelectric thin film layer and a composite network cable film layer which are arranged on the substrate, wherein the composite piezoelectric thin film layer is electrically connected with the composite network cable film layer;

in the direction vertical to the display panel, the composite network wire film layer comprises a first metal layer and/or a second metal layer;

the first metal layer comprises a plurality of hollow metal tubes which are arranged along a first direction and a second direction, the first hollow metal tubes comprise first metal liquid drops, and the first metal liquid drops perform cutting magnetic induction line movement in the first direction to charge the battery of the display panel;

the second metal layer comprises a plurality of second hollow metal tubes which are arranged along a second direction and extend to the first direction, second metal liquid drops are contained in the second hollow metal tubes, and the second metal liquid drops do cutting magnetic induction line movement in the second direction to charge the batteries of the display panel;

wherein the first direction and the second direction intersect.

In another aspect, the present invention provides a display device including any one of the display panels provided in the present application.

Compared with the prior art, the display panel and the display device provided by the invention at least realize the following beneficial effects:

the invention provides a display panel and a display device, which comprise a substrate base plate, a composite piezoelectric thin film layer and a composite network cable film layer, wherein the composite piezoelectric thin film layer and the composite network cable film layer are positioned on the substrate base plate and are electrically connected; in the direction vertical to the display panel, the composite network wire film layer comprises a first metal layer and/or a second metal layer; the first metal layer comprises a plurality of hollow metal tubes which are arranged along a first direction and a second direction, the first hollow metal tubes comprise first metal liquid drops, and the first metal liquid drops perform cutting magnetic induction line movement in the first direction to charge the battery of the display panel; the second metal layer comprises a plurality of second hollow metal tubes which extend along the second direction and are arranged in the first direction, second metal liquid drops are contained in the second hollow metal tubes, and the second metal liquid drops do cutting magnetic induction line movement in the second direction to charge the batteries of the display panel. That is to say at display panel in the touch stage, after the electric charge is uneven appeared in compound piezoelectric film layer atress, with signal of telecommunication transmission to compound net twine rete, the intraformational first metal liquid drop of compound net twine rete and second metal liquid drop move in first cavity metal pipe and second cavity metal pipe respectively to cut the motion of magnetic induction line, and then charge display panel's battery, increase the duration of display panel battery, avoid the operation of frequent charging, do benefit to the life who increases display panel.

Of course, it is not necessary for any product in which the present invention is practiced 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 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 diagram of a display panel in the prior art;

FIG. 2 is a schematic diagram of a display panel according to the present invention;

FIG. 3 is a cross-sectional view taken along line N-N' of FIG. 2;

FIG. 4 is a schematic structural diagram of a composite mesh film layer in a display panel according to the present invention;

FIG. 5 is a cross-sectional view taken along line Q-Q' of FIG. 4;

FIG. 6 is a cross-sectional view taken along line W-W' of FIG. 4;

FIG. 7 is a schematic structural diagram of a composite piezoelectric film in a display panel according to the present invention;

FIG. 8 is a further cross-sectional view taken along line Q-Q' of FIG. 4;

FIG. 9 is a further cross-sectional view taken along line W-W of FIG. 4;

FIG. 10 is a further cross-sectional view taken along line Q-Q' of FIG. 4;

FIG. 11 is a further cross-sectional view taken along line W-W' of FIG. 4;

FIG. 12 is a schematic structural diagram of a composite mesh film layer in another display panel according to the present invention;

FIG. 13 is a schematic structural diagram of a composite mesh film layer in another display panel according to the present invention;

FIG. 14 is a further sectional view taken in the direction N-N' of FIG. 2;

FIG. 15 is a schematic view of another display panel structure provided by the present invention;

fig. 16 is a schematic diagram 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 structural diagram of a display panel in the prior art, and is shown in fig. 1. In the prior art, a display panel 100 is provided, the display panel 100 includes a battery 01 for providing a display electrical signal for the display panel 100, and the battery 01 directly converts electrical energy into chemical energy through a data line and directly stores the chemical energy in a lithium battery, and only can provide one-time charging for one-time use, but with the rapid development of the electronic technology level, the 5G mobile phone is widely used, and double-fold and triple-fold display screens occur, the larger the size of the display panel 100 is, the more the battery of the display panel 100 consumes electricity, that is, the battery of the display panel 100 needs to be frequently charged, and the increase of the charging times can directly lead to the reduction of the service life of the battery of the display panel 100.

In order to solve the above technical problem, the present invention provides a display panel and a display device. Embodiments of the display panel and the display device provided by the present invention will be described in detail below.

In this embodiment, please refer to fig. 2 and fig. 3, fig. 2 is a schematic structural diagram of a display panel provided by the present invention, fig. 3 is a cross-sectional view along the direction N-N ' in fig. 2, fig. 4 is a schematic structural diagram of a composite mesh film layer in a display panel provided by the present invention, fig. 5 is a cross-sectional view along the direction Q-Q ' in fig. 4, and fig. 6 is a cross-sectional view along the direction W-W ' in fig. 4. The display panel 200 provided in this embodiment includes a substrate 00, and a composite piezoelectric thin film layer 10 and a composite mesh film layer 20 located on the substrate 00, where the composite piezoelectric thin film layer 10 is electrically connected to the composite mesh film layer 20; in the direction perpendicular to the display panel 200, the composite mesh film layer 20 includes a first metal layer 21, and/or a second metal layer 22; the first metal layer 21 includes a plurality of first hollow metal tubes 210 arranged along a first direction X and a second direction Y, the first hollow metal tubes 210 include first metal droplets T1, and the first metal droplets T1 perform a cutting magnetic induction line motion in the first direction X to charge the cells of the display panel 200; the second metal layer 22 includes a plurality of second hollow metal tubes 220 extending along the second direction Y and arranged in the first direction X, the second hollow metal tubes 220 include second metal droplets T2, and the second metal droplets T2 perform a magnetic induction line cutting motion in the second direction Y to charge the cells of the display panel 200; wherein the first direction X and the second direction Y intersect.

The display panel 200 includes a magnetic field, at least a portion of the magnetic lines formed in the magnetic field extend along the first direction X and/or the second direction Y, and the structure of the magnetic field is not limited, and may be an element that generates a magnetic field according to actual settings.

It can be understood that the composite piezoelectric thin film layer 10 provided by the display panel 200 provided by the embodiment is a dynamic strain sensor, due to the characteristics of the composite piezoelectric thin film layer 10, when a small force is applied longitudinally, a large stress is generated in the transverse direction, that is, the composite piezoelectric thin film layer 10 is very sensitive to the dynamic stress, when the surface of the display panel 200 is under pressure, the composite piezoelectric thin film layer 10 is under pressure, the piezoelectric effect occurs in the composite piezoelectric thin film layer 10 after the pressure occurs, the phenomenon of charge inequality occurs, an electrical signal is generated between the upper surface and the lower surface, and then the composite piezoelectric thin film layer 10 is electrically connected with the composite network cable film layer 20, and the electrical signal is sent to the composite network cable film layer 20. In the direction perpendicular to the display panel 200, the composite mesh film layer 20 includes a first metal layer 21, and/or a second metal layer 22; further, the following modes can be included: the first method comprises the following steps: the composite mesh wire film layer 20 only includes the first metal layer 21, the first metal layer 21 includes a plurality of first hollow metal tubes 210 arranged along the first direction X and the second direction Y, the first hollow metal tubes 210 include first metal droplets T1, and after the composite mesh wire film layer 20 receives an electric signal sent by the composite piezoelectric film layer 10, the first metal droplets T1 are controlled to perform cutting magnetic induction line motion in the first direction X to charge the battery of the display panel 200. And the second method comprises the following steps: the composite mesh wire film layer 20 only includes the second metal layer 22, the second metal layer 22 includes a plurality of second hollow metal tubes 220 extending along the second direction Y and arranged in the first direction X, the second hollow metal tubes 220 include second metal droplets T2, and after the composite mesh wire film layer 20 receives an electric signal sent by the composite piezoelectric film layer 10, the second metal droplets T2 are controlled to perform cutting magnetic induction line motion in the second direction Y to charge the battery of the display panel 200. And the third is that: with reference to fig. 4 to 6, the composite mesh film layer 20 includes a first metal layer 21 and a second metal layer 22, the first metal layer 21 includes a plurality of first hollow metal tubes 210 arranged along a first direction X and a second direction Y, the first hollow metal tubes 210 include first metal droplets T1, the second metal layer 22 includes a plurality of second hollow metal tubes 220 arranged along the second direction Y and the first direction X, the second hollow metal tubes 220 include second metal droplets T2, and after the composite mesh film layer 20 receives an electrical signal sent by the composite piezoelectric film layer 10, the first metal droplets T1 are controlled to perform a cutting magnetic induction line motion in the first direction X to charge the cells of the display panel 200, and the second metal droplets T2 are also controlled to perform a cutting magnetic induction line motion in the second direction Y to charge the cells of the display panel 200. Fig. 4 to 6 only illustrate the third embodiment, but the present invention is not limited thereto, and the three embodiments may be specifically configured according to actual situations. That is, the display panel 200 provided in this embodiment is provided with the composite piezoelectric thin film layer 10 and the composite mesh wire film layer 20, so that a piezoelectric effect is generated in the touch process, and thus voltages are generated at two ends of the first hollow metal tube 210 and the second hollow metal tube 220, and the metal droplets in the first hollow metal tube 210 and the second hollow metal tube 220 move to cut the magnetic induction wires, so as to generate an induced current, thereby increasing the endurance of the display panel battery, also avoiding frequent charging operations, and increasing the service life of the display panel.

In some alternative embodiments, referring to fig. 7 to 9, fig. 7 is a schematic structural diagram of a composite piezoelectric film in a display panel according to the present invention, fig. 8 is a further cross-sectional view along direction Q-Q' in fig. 4, and fig. 9 is a further cross-sectional view along direction W-W in fig. 4. In the display panel 200 provided in this embodiment, along a direction perpendicular to the display panel 200, the composite piezoelectric thin film layer 10 sequentially includes a first electrode layer 11, a piezoelectric thin film 13, and a second electrode layer 12, the composite network wire film layer 20 further includes a voltage control board 23, and the voltage control board 23 includes two first voltage control boards 231 and two second voltage control boards 232; two first voltage control boards 231 are respectively positioned at two ends of the first hollow metal tube 210, one first voltage control board 231 is electrically connected with the first electrode layer 11, and the other first voltage control board 231 is connected with the second electrode layer 12; the two second voltage control boards 232 are respectively disposed at two ends of the second hollow metal tube 220, one second voltage control board 232 is electrically connected to the first electrode layer 11, and the other second voltage control board 232 is connected to the second electrode layer 12.

It can be understood that, in the display panel 200 provided in this embodiment, the composite piezoelectric thin film layer 10 sequentially includes the first electrode layer 11, the piezoelectric thin film 13 and the second electrode layer 12 along a direction perpendicular to the display panel 200, because the piezoelectric effect occurs in the composite piezoelectric thin film layer 10 after being stressed, a polarization phenomenon may occur inside the composite piezoelectric thin film layer 10, and meanwhile, charges with opposite polarities appear on two opposite surfaces thereof, that is, charges with opposite polarities appear on the first electrode layer 11 and the second electrode layer 12. Meanwhile, the display panel 200 provided in this embodiment includes two first voltage control boards 231, and the first voltage control board a1 and the first voltage control board b1 are respectively located at two ends of the first hollow metal tube 210, the first voltage control board a1 is electrically connected to the first electrode layer 11, and the first voltage control board b1 is connected to the second electrode layer 12, because the first electrode layer 11 and the second electrode layer 12 have opposite charges, the opposite charges are transferred to the corresponding first voltage control boards 231, that is, the first voltage control board a1 and the first voltage control board b1 have opposite charges, and two ends of the first hollow metal tube 210 have a potential difference, so that the first metal droplet T1 makes a cutting magnetic induction line motion in the first direction X to charge the battery of the display panel 200; the display panel 200 further includes two second voltage control boards 232, the second voltage control board a2 and the second voltage control board b2 are respectively located at two ends of the second hollow metal tube 220, the second voltage control board a2 is electrically connected to the first electrode layer 11, and the second voltage control board b2 is connected to the second electrode layer 12, according to the same principle, the second voltage control board a2 and the second voltage control board b2 have opposite charges, and two ends of the second hollow metal tube 220 have a potential difference, so that the second metal droplet T2 performs a cutting magnetic induction line movement in the second direction Y to charge the battery of the display panel 200. Wherein, fig. 7 to 9 illustrate the specific structure of composite piezoelectric thin film layer 10 and composite network wire film layer 20 respectively, but do not illustrate the connection mode of composite piezoelectric thin film layer 10 and composite network wire film layer 20, as long as guarantee that composite piezoelectric thin film layer 10 and composite network wire film layer 20 can electric connection, carry out the transmission of signal of telecommunication can, can adopt metal to walk line or other connection modes, specific can set up according to actual conditions, no longer repeated description in the following.

Further, the composite piezoelectric film layer 10 may also send a signal to a driving chip of the display panel 200, and the driving chip determines a relative position where the touch occurs, and then sends a relative signal to the composite mesh film layer 20 to control the metal droplet to move to the relative position where the touch occurs. Further, when the composite network cable film 20 receives the touch coordinate information, a voltage control board may be provided with a micro optical distance meter, and the position of the liquid drop may be determined by optical distance measurement, so that the voltage of the voltage control board may be changed by related program control, and the liquid drop may be moved to the touch point position.

In some alternative embodiments, with reference to fig. 8 and fig. 9, in the display panel 200 provided in this embodiment, in a direction perpendicular to the display panel 200, the composite piezoelectric thin film layer 10 sequentially includes a first electrode layer 11, a piezoelectric thin film 13, and a second electrode layer 12, the composite mesh film layer 20 further includes a voltage control board 23, and the voltage control board 23 includes two first voltage control boards 231 and two second voltage control boards 232; the two first voltage control boards 231 are respectively located at two ends of the first hollow metal tube 210, one first voltage control board 231 is electrically connected to a positive electrode of the battery of the display panel 200, the other first voltage control board 231 is electrically connected to a negative electrode of the battery of the display panel 200, the two second voltage control boards are respectively located at two ends of the second hollow metal tube 220, one second voltage control board 232 is electrically connected to a positive electrode of the battery of the display panel 200, and the other second voltage control board 232 is electrically connected to a negative electrode of the battery of the display panel 200.

It can be understood that, in the display panel 200 provided in this embodiment, when the display panel 200 is not touched or is on screen, the first voltage control board a1 may be electrically connected to the positive electrode of the battery of the display panel 200, and the first voltage control board b1 is electrically connected to the negative electrode of the battery of the display panel 200, so that the first voltage control board a1 and the first voltage control board b1 have opposite charges, that is, the two ends of the first hollow metal tube 210 have a potential difference, and it is ensured that the first metal liquid drop T1 performs a cutting magnetic induction line movement in the first direction X to charge the battery of the display panel 200; meanwhile, the second voltage control board a2 is electrically connected to the positive electrode of the battery of the display panel 200, and the second voltage control board b2 is electrically connected to the negative electrode of the battery of the display panel 200, so that the second voltage control board a2 and the second voltage control board b2 have opposite charges, that is, the two ends of the second hollow metal tube 220 have a potential difference, thereby ensuring that the second metal droplet T2 performs a cutting magnetic induction line motion in the second direction Y to charge the battery of the display panel 200. Fig. 8 and 9 respectively illustrate specific structures of the composite network cable film layer 20, but do not illustrate a connection manner of the composite network cable film layer 20 and the battery, as long as the composite network cable film layer 20 and the positive and negative electrodes of the battery can be electrically connected to transmit an electrical signal, a metal wire or other connection manner may be adopted, and the specific configuration may be set according to actual conditions, and will not be described in detail below.

Further, in the breath-screen state of the display panel 200, when the display panel is turned over, the first metal droplet T1 and the second metal droplet T2 may move according to their own weight, and perform a cutting magnetic induction line motion to charge the battery of the display panel 200.

In some alternative embodiments, shown in fig. 10 and 11, fig. 10 is a further cross-sectional view taken along line Q-Q 'of fig. 4, and fig. 11 is a further cross-sectional view taken along line W-W' of fig. 4. In the display panel 200 provided by this embodiment, along a direction perpendicular to the display panel 200, the composite mesh film layer 20 further includes a conductive layer 24, where the conductive layer 24 includes a first conductive layer 241 and a second conductive layer 242, the first conductive layer 241 is located on a side of the first metal layer 21 away from the second metal layer 22, and the second conductive layer 242 is located on a side of the second metal layer 22 away from the first metal layer 21; the conductive layer 24 is electrically connected to the positive electrode of the battery of the display panel 200.

It can be understood that in the display panel 200 provided by the present embodiment, in a direction perpendicular to the display panel 200, the composite mesh film layer 20 further includes a conductive layer 24, the conductive layer 24 includes a first conductive layer 241 and a second conductive layer 242, the first conductive layer 241 and the second conductive layer 242 are electrically connected to a positive electrode of a battery of the display panel 200, the battery can provide positive charges to the first conductive layer 241 and the second conductive layer 242, and the first conductive layer 241 and the second conductive layer 242 are respectively connected to the outer surfaces of the first hollow metal tube 210 and the second hollow metal tube 220 in contact, so that the potentials of the first conductive layer 241 and the second conductive layer 242 are higher than the potentials of the outer surfaces of the first hollow metal tube 210 and the second hollow metal tube 220 to form a potential difference, thereby forming negative charges on the outer surfaces of the first hollow metal tube 210 and the second hollow metal tube 220 and further forming positive charges on the inner surfaces of the first hollow metal tube 210 and the second hollow metal tube 220, therefore, the metal droplets T1/T2 inside the first hollow metal tube 210 and the second hollow metal tube 220 are positively charged, and then when electrical signals are received at the two ends of the first hollow metal tube 210 and the second hollow metal tube 220, one positive voltage end of the first hollow metal tube 210 and the second hollow metal tube 220 repels the metal droplets T1/T2, and one negative voltage end of the first hollow metal tube 210 and the second hollow metal tube 220 attracts the metal droplets T1/T2, so that the metal droplets T1/T2 are stressed in the same direction, and therefore the magnetic induction lines can be cut inside the first hollow metal tube 210 and the second hollow metal tube 220 to generate induction currents, and therefore the cruising ability of the display panel battery can be increased, that is, frequent charging operation is avoided, and the service life of the display panel is increased.

In some alternative embodiments, referring to fig. 12, fig. 12 is a schematic structural diagram of a composite mesh film layer in another display panel provided by the present invention. The display panel 200 provided by the present embodiment includes a first magnetic group 30 and a second magnetic group 40; the first magnetic group 30 includes a first magnet 31 and a second magnet 32 oppositely arranged along the first direction X, the polarity of the first magnet 31 is opposite to that of the second magnet 32, the first magnetic group 30 forms a first magnetic field, and the second metal droplet T2 performs a cutting magnetic induction line motion in the second direction Y to charge the display panel 200; the second magnetic group 40 includes a third magnet 41 and a fourth magnet 42 oppositely disposed along the second direction Y, the polarities of the third magnet 41 and the fourth magnet 42 are opposite, the second magnetic group 40 forms a second magnetic field, and the first metal droplet T1 performs a cutting magnetic induction line motion in the first direction X to charge the display panel 200.

It is understood that the present embodiment provides a display panel 200 including a first magnetic group 30 and a second magnetic group 40; the first magnetic group 30 includes a first magnet 31 and a second magnet 32 oppositely disposed along the first direction X, the first magnetic group 30 forms a first magnetic field T1, a magnetic induction line formed by the first magnetic field T1 extends substantially along the first direction X, and since the second metal droplet T2 moves in the second direction Y, that is, the second metal droplet T2 moves in the second direction Y, the magnetic induction line formed by the first magnetic field T1 is cut, and an induced current is generated, thereby charging the display panel cell, and similarly, the second magnetic group 40 includes a third magnet 41 and a fourth magnet 42 oppositely disposed along the second direction Y, the second magnetic group 40 forms a second magnetic field T2, and a magnetic induction line of the second magnetic field T2 extends substantially along the second direction Y, since the first metal droplet T1 moves in the first direction X, the first metal droplet T1 cuts a magnetic induction line formed by the second magnetic field T2 when moving in the first direction X, an induced current is generated to charge the display panel battery. The polarity of first magnet 31 is opposite to that of second magnet 32, the polarity of third magnet 41 is opposite to that of fourth magnet 42, first magnet 31 and third magnet 41 are N-pole magnets, and second magnet 32 and fourth magnet 42 are S-pole magnets, or vice versa.

Wherein, first magnet 31, second magnet 32, third magnet 41 and fourth magnet 42 are kept apart with shielding material, avoid first magnetic field T1 and second magnet steel T2 to influence each other, and specific shielding material this application does not do the restriction, can select to set up according to actual conditions, and the following is no longer repeated.

In some optional embodiments, as shown in fig. 12, the first hollow metal tube 210 and the second hollow metal tube 220 in the display panel 200 provided in this embodiment may be hollow nano metal tubes, and after the metal droplets are placed inside the first hollow metal tube 210 and the second hollow metal tube 220, vacuum pumping can be performed, so as to reduce friction force during the movement of the metal droplets and improve sensitivity. In addition, the hollow nano metal tube has a certain magnetic field shielding capability, so that when a magnetic field is generated by voltage variation at two ends of the first hollow metal tube 210 and the second hollow metal tube 220, interference to an external stable magnetic field can be reduced. But is not limited thereto, and other ways to achieve the same effect are also possible, such as depositing a metal layer inside the carbon tube.

In some alternative embodiments, referring to fig. 13, fig. 13 is a schematic structural diagram of a composite mesh film layer in another display panel provided by the present invention. The display panel 200 of the present embodiment includes a bending region R, where the bending region R includes a bending axis R1 extending along the second direction Y; the first hollow metal tube 210 includes a first sub hollow metal tube 210a and a second sub hollow metal tube 210b, the first sub hollow metal tube 210a and the second sub hollow metal tube 210b are located at both sides of the bending axis R1, and the first sub hollow metal tube 210a and the second sub hollow metal tube 210b are electrically connected by a conductive member K.

It can be understood that the display panel 200 provided in this embodiment includes a bending axis S1 extending along the second direction Y, the first hollow metal tube 210 includes a first sub hollow metal tube 210a and a second sub hollow metal tube 210b, the first sub hollow metal tube 210a and the second sub hollow metal tube 210b are located at two sides of the bending axis S1, the first sub hollow metal tube 210a and the second sub hollow metal tube 210b are both provided with the first metal liquid drop T1, and the first metal liquid drop T1 performs a cutting magnetic induction line movement in the first direction X to charge the display panel 200. As shown in fig. 13, when the display panel 200 is bent, the second sub hollow metal tube 210b is turned over above the first sub hollow metal tube 210a, that is, the first sub hollow metal tube 210a and the second sub hollow metal tube 210b connected by the conductive member K are at least partially overlapped in a direction perpendicular to the display panel 200, and at this time, the third magnet 41 and the fourth magnet 42 do not affect the formation of the horizontal magnetic field, and at least a part of the magnetic induction lines extend along the second direction Y, and since the first metal droplet T1 moves in the first direction X, that is, the first metal droplet T1 cuts the magnetic induction lines formed by the second magnetic field T2 in the first direction X, an induced current is generated, so as to charge the display panel battery. At this time, the first magnet 31 and the second magnet 32 form a vertical magnetic field, and a part of magnetic induction lines formed will intersect with the second direction Y, and since the second metal droplet T2 moves in the second direction Y, that is, the second metal droplet T2 moves in the second direction Y, a part of magnetic induction lines formed by the first magnetic field T1 will be cut, and an induction current is generated, so as to charge the display panel battery.

In some alternative embodiments, shown in conjunction with FIG. 14, FIG. 14 is a further cross-sectional view taken in the direction N-N' of FIG. 2. The display panel 200 provided in this embodiment includes an organic light emitting layer 50 and a color film layer 60; along the direction perpendicular to the display panel 200, the organic light emitting layer 50 is located between the composite piezoelectric thin film layer 10 and the composite mesh line film layer 20, and the color film layer 60 is located on the side of the composite piezoelectric thin film layer 10 away from the composite mesh line film layer 20.

It can be understood that the display panel 200 provided in this embodiment is an OLED display panel, and a color film layer 60 may be deposited on the composite piezoelectric film layer 10, and the color film layer 60 may not only realize color light emission of the display panel 200, but also be reused as a polarizer, thereby playing roles of reducing reflectivity, improving transmittance, and the like, that is, the display panel 200 provided in this embodiment is reused through the color film layer 60, reducing the thickness of the display panel 200, and further reducing the weight of the display panel 200.

In some alternative embodiments, as shown in fig. 15, fig. 15 is a schematic view of a display panel structure according to still another embodiment of the present invention. The display panel 200 provided in this embodiment includes a main battery D1 and an auxiliary battery D2; when the electric quantity of the main battery D1 is lower than the threshold electric quantity, the auxiliary battery D2 provides a display power supply for the display panel 200, and the first metal droplet T1 and/or the second metal droplet T2 perform a cutting magnetic induction line motion to charge the main battery D1 of the display panel 200; when the electric quantity of the auxiliary battery D2 is lower than the threshold electric quantity, the main battery D1 provides a display power source for the display panel 200, and the first metal droplet T1 and/or the second metal droplet T2 perform a cutting magnetic induction line motion to charge the auxiliary battery D2 of the display panel 200.

It can be understood that the battery D in the display panel 200 provided in this embodiment includes the main battery D1 and the auxiliary battery D2, and the power supply timing sequence can be controlled by the setting degree of the driving chip in the display panel 200, so that when the electric quantity of the main battery D1 is lower than the threshold electric quantity, the auxiliary battery D2 provides the display power for the display panel 200, and the first metal droplet T1 and/or the second metal droplet T2 make the cutting magnetic induction line motion to charge the main battery D1 of the display panel 200; when the electric quantity of the auxiliary battery D2 is lower than the threshold electric quantity, the main battery D1 provides a display power supply for the display panel 200, and the first metal droplet T1 and/or the second metal droplet T2 perform magnetic induction line cutting motion to charge the auxiliary battery D2 of the display panel 200, so that the cruising ability of the display panel battery is increased, that is, frequent charging operation is avoided, the service life of the display panel is prolonged, and meanwhile, due to the fact that the main battery D1 and the auxiliary battery D2 are arranged to work alternately for charging, the battery is not charged when in use, the effect of the battery is not affected at the same time, and the service life of the battery is ensured.

In some optional embodiments, as shown in fig. 5 and fig. 6, the display panel 200 provided in this embodiment further includes an insulating layer 25, where the insulating layer 25 is located between the first metal layer 21 and the second metal layer 22 in a direction perpendicular to the display panel 200.

It can be understood that, in the display panel 200 provided in this embodiment, the insulating layer 25 is disposed between the first metal layer 21 and the second metal layer 22, because the first hollow metal tube 210 in the first metal layer 21 and the second hollow metal tube 220 in the second metal layer 22 extend along the first direction X and the second direction Y, respectively, that is, the first hollow metal tube 210 and the second hollow metal tube 220 in the direction perpendicular to the display panel 200 intersect, and the insulating layer 25 is disposed between the first metal layer 21 and the second metal layer 22, a phenomenon of signal interference between the first hollow metal tube 210 and the second hollow metal tube 220 can be avoided, and stability of subsequent charging can be ensured.

In some optional embodiments, in the display panel 200 provided in this embodiment, the first metal droplet T1 and/or the second metal droplet T2 perform an induced current generated by a motion of cutting the magnetic induction line, and then the induced current may be introduced into the micro-transformer through a wire, so that the voltage output by the micro-transformer reaches the charging voltage of the battery D, and thus the battery of the display panel 200 may be charged.

Optionally, the material of the first metal droplet T1 and/or the second metal droplet T2 may be Li/Ca — Bi, Mg-S b, Li-P b-S b, or NaK alloy, which is only used as an example in the present application, but is not limited thereto, and may be specifically selected according to actual situations, and will not be described in detail below.

The present invention further provides a display device 300 including the display panel 200 according to any of the above embodiments of the present invention. Referring to fig. 16, fig. 16 is a schematic view of a display device according to the present invention, and the display device 300 includes the display panel 200 according to any of the above embodiments of the present invention. The embodiment of fig. 16 only takes a mobile phone as an example to describe the display device 300, and it should be understood that the display device 300 provided in the embodiment of the present invention may be other display devices with 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 300 provided in the embodiment of the present invention has the beneficial effects of the display panel 200 provided in the embodiment of the present invention, and specific reference is specifically made to the detailed description of the display device in the foregoing embodiments, which 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 invention provides a display panel and a display device, which comprise a substrate base plate, a composite piezoelectric thin film layer and a composite network cable film layer, wherein the composite piezoelectric thin film layer and the composite network cable film layer are positioned on the substrate base plate and are electrically connected; in the direction vertical to the display panel, the composite network wire film layer comprises a first metal layer and/or a second metal layer; the first metal layer comprises a plurality of hollow metal tubes which are arranged along a first direction and a second direction, the first hollow metal tubes comprise first metal liquid drops, and the first metal liquid drops perform cutting magnetic induction line movement in the first direction to charge the battery of the display panel; the second metal layer comprises a plurality of second hollow metal tubes which extend along the second direction and are arranged in the first direction, second metal liquid drops are contained in the second hollow metal tubes, and the second metal liquid drops do cutting magnetic induction line movement in the second direction to charge the batteries of the display panel. That is to say at display panel in the touch stage, after the electric charge is uneven appeared in compound piezoelectric film layer atress, with signal of telecommunication transmission to compound net twine rete, the intraformational first metal liquid drop of compound net twine rete and second metal liquid drop move in first cavity metal pipe and second cavity metal pipe respectively to cut the motion of magnetic induction line, and then charge display panel's battery, increase the duration of display panel battery, avoid the operation of frequent charging, do benefit to the life who increases display panel.

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.