CN111341813A - Display panel and display device - Google Patents

Abstract

The invention discloses a display panel and a display device. The display panel is provided with a display area and a circuit arrangement area positioned on the peripheral side of the display area, and the display panel can stretch along a first direction; the display area comprises first hard islands which are arranged in an array manner and first elastic bridges arranged between the first hard islands, at least one sub-pixel is arranged on each first hard island, and each first hard island is connected with the adjacent first hard island and the circuit setting area through the corresponding first elastic bridge; the circuit setting area comprises second hard islands arranged at intervals along the first direction and second elastic bridges connecting the adjacent second hard islands, and the second hard islands are provided with driving circuits; in the first direction, the distribution amount of the second hard island is M, the distribution amount of the first hard island is N, and M ≠ N, where M is an integer greater than or equal to 2, and N is an integer greater than or equal to 2. The display panel disclosed by the invention can improve the overall tensile property of the display panel.

Description

Display panel and display device

technical field

The invention belongs to the field of display technology, and in particular relates to a display panel and a display device.

Background technique

With the development of display technology, more and more flexible display panels are favored by consumers. The display panel has a display area and a non-display area. The display area has a plurality of sub-pixels arranged in an array, and the non-display area is provided with driving sub-pixels. Drive circuit for luminous display. For a stretchable flexible display panel, how to adjust the structure of the display area and the non-display area to ensure the overall stretching performance of the display panel has become an urgent problem to be solved.

SUMMARY OF THE INVENTION

Embodiments of the present invention provide a display panel and a display device, which aim to improve the overall stretching property of the display panel.

In a first aspect, the present invention provides a display panel, which has a display area and a circuit setting area on a peripheral side of the display area, the display panel can be stretched along a first direction; the display area includes first rigid islands arranged in an array and a first elastic bridge arranged between the first rigid islands, the first rigid island is provided with at least one pixel, and the first rigid island is connected to the adjacent first rigid islands and the circuit setting area through the first elastic bridge; the circuit The setting area includes second rigid islands spaced along the first direction, second elastic bridges connecting adjacent second rigid islands, and the second rigid islands are provided with driving circuits; in the first direction, the distribution of the second rigid islands The quantity is M, the distribution quantity of the first rigid island is N, and M≠N, where M is an integer greater than or equal to 2, and N is an integer greater than or equal to 2.

In a second aspect, the present invention provides a display device comprising the display panel according to any one of the embodiments of any of the foregoing aspects of the present invention.

According to the display panel according to the embodiment of the present invention, by setting the distribution amount along the stretching direction of the first rigid island in the display area and the second rigid island in the circuit setting area to be different, the stretching performance of the two areas can be adjusted to ensure the two areas. The tensile properties of the two regions do not affect each other.

Description of drawings

Other features, objects and advantages of the present invention will become more apparent by reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings, wherein the same or similar reference numerals denote the same or similar features, and Figures are not drawn to actual scale.

1 is a schematic top view of a display panel provided according to an embodiment of the present invention;

2 is a schematic top view of a display panel provided according to another embodiment of the present invention;

Fig. 3 is a kind of A-A sectional view of Fig. 1;

Fig. 4 is a kind of B-B sectional view of Fig. 1;

Fig. 5 is another kind of B-B sectional view of Fig. 1;

6 is a schematic top view of a display panel provided according to still another embodiment of the present invention;

7 is a schematic diagram of a partial connection between a first rigid island and a second rigid island provided according to an embodiment of the present invention;

8 is a schematic diagram of a partial connection between a first rigid island and a second rigid island provided according to another embodiment of the present invention;

9 is a schematic structural diagram of a circuit setting area provided according to an embodiment of the present invention;

10 is a schematic top view of a display panel provided according to still another embodiment of the present invention;

11 is a schematic structural diagram of a circuit setting area provided according to another embodiment of the present invention;

12 is a schematic structural diagram of a circuit setting area provided according to another embodiment of the present invention;

FIG. 13 is a schematic structural diagram of a display device according to an embodiment of the present invention.

Detailed ways

The features and exemplary embodiments of various aspects of the present invention will be described in detail below. In order to make the objectives, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only configured to explain the present invention, and are not configured to limit the present invention. It will be apparent to those skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is only intended to provide a better understanding of the present invention by illustrating examples of the invention.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element defined by the phrase "comprises" does not preclude the presence of additional identical elements in a process, method, article, or device that includes the element.

It will be understood that, in describing the structure of a component, when a layer or region is referred to as being "on" or "over" another layer or region, it can be directly on the other layer or region, or Other layers or regions are also included between it and another layer, another region. And, if the part is turned over, that layer, one area, will be "below" or "beneath" another layer, another area.

It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict.

An embodiment of the present invention provides a display panel, which is a stretchable display panel, and the display panel is stretchable in at least one direction. The display panel may be an organic light-emitting diode (Organic Light-Emitting Diode, OLED) display panel, and may also be other types of display panels such as micro-light-emitting diodes (Micro-LED) and quantum dots. The present invention does not limit the type of the display panel. The display panel of the embodiment of the present invention may be presented in various forms, some examples of which will be described below.

FIG. 1 is a schematic top view of a display panel according to an embodiment of the present invention. The display panel 100 according to the embodiment of the present invention can be stretched along the first direction Y. The display panel 100 has a display area AA and a circuit arrangement area NA on the peripheral side of the display area AA. The display panel 100 includes a plurality of sub-pixels 111 arranged in the display area AA, each sub-pixel 111 includes a light-emitting unit and a pixel circuit electrically connected to the light-emitting unit, and the plurality of sub-pixels 111 are arranged in multiple rows along the first direction Y and the second direction X Multiple columns, wherein the first direction Y and the second direction X intersect, only the second direction X and the first direction Y are shown perpendicular to each other in the figure. The circuit setting area NA is used for setting the driving circuit, and the driving circuit is connected with the pixel circuit to control each light-emitting unit to emit light and display.

The display area AA includes first rigid islands 11 arranged in an array and first elastic bridges 12 disposed between the first rigid islands 11 . At least one sub-pixel 111 is disposed on the first rigid islands 11 . The first rigid islands 11 The first elastic bridge 12 is connected to the adjacent first rigid island 11 and the circuit arrangement area NA. The first elastic bridge 12 is made of a stretchable material to realize the stretchability of the display area AA, and each sub-pixel 111 is arranged on the first rigid island 11. When the display area AA is stretched, it can avoid the need for the light-emitting unit and the light-emitting unit. The performance of the pixel circuit has an impact.

The circuit arrangement area NA includes second rigid islands 21 spaced along the first direction Y and second elastic bridges 22 connecting adjacent second rigid islands 21 , and driving circuits are disposed on the second rigid islands 21 . The driving circuit is electrically connected to the pixel circuit. The second elastic bridge 22 is made of stretchable material, so that the circuit setting area NA can be stretched, and the driving circuit is arranged on the second rigid island NA. When the circuit setting area NA is stretched, the driving circuit can be avoided. performance is affected.

In the first direction Y, the distribution of the first rigid islands is M, that is, the first rigid islands 21 in the display area AA can be divided into M rows; the distribution of the second rigid islands 21 is N, that is, the circuit setting area The second rigid island 21 of NA can be divided into N rows, and M≠N. Wherein, M is an integer greater than or equal to 2, and N is an integer greater than or equal to 2. The distribution amount herein refers to the number of rows in which the first rigid islands 11 and the second rigid islands 21 are arranged in the stretchable direction of the display panel 100 .

The inventor found in the actual design that when the distributions of the first rigid island 11 in the display area AA and the second rigid island 21 in the circuit setting area NA along the stretching direction of the display panel 100 are set to be the same, the display area AA and The tensile properties of the circuit arrangement area NA are inconsistent, and the two regions restrict each other, which affects the overall tensile properties of the display panel 100 .

The difference in shape between the first rigid island 11 in the display area AA and the second rigid island 21 in the circuit setting area NA, and the connection between the first elastic bridge 12 connecting the adjacent first rigid islands 11 in the display area AA and the circuit setting area NA Differences in the shapes of the second elastic bridges 22 of the adjacent second rigid islands 21 will cause inconsistent tensile properties between the two regions. Therefore, in this embodiment, the distributions of the first rigid island 11 and the second rigid island 21 along the stretching direction of the display panel 100 are set to be different, so as to adjust the stretching performance of the two regions and ensure that the two regions are stretched. The tensile properties are consistent, thereby improving the tensile properties of the entire display panel 100 .

In some embodiments, please continue to refer to FIG. 1 , the circuit arrangement area NA can be arranged on one side of the display area AA in the second direction X, and by arranging a plurality of driving circuits on one side of the display area AA, the The sub-pixel 111 of AA performs control.

In this embodiment, arranging the circuit arrangement area NA on one side of the display panel 100 can reduce the frame of the display panel 100 and increase the screen ratio of the display panel 100 .

In other embodiments, please refer to FIG. 2 , which is a schematic top view of a display panel according to another embodiment of the present invention. The circuit arrangement areas NA may be arranged on opposite sides in the second direction X of the display area AA. The circuit setting area NA is set on two opposite sides of the display panel 100, and a driving signal is provided to the pixel circuit of each sub-pixel 111 through the first connection line 13 in a bilateral driving manner to control the light-emitting display of each sub-pixel 111, The voltage drop of the first connection line 13 can be reduced, which is beneficial to improve the display uniformity of the display panel 100 .

In some embodiments, please continue to refer to FIG. 1 , FIG. 3 and FIG. 4 , FIG. 3 is an A-A sectional view of FIG. 1 , and FIG. 4 is a B-B sectional view of FIG. 1 . The display panel 100 includes a stretchable substrate 30 , and each rigid island and elastic bridge can be arranged on the stretchable substrate 30 . The second elastic bridges 22 between the adjacent second rigid islands 21 realize the cascade connection between the driving circuits on the adjacent second rigid islands 21 through the elastic bridges 22 . A first rigid island 11 and a first elastic bridge 12 between adjacent first rigid islands 11 are arranged in the display area AA of the stretchable substrate, and the signal of the driving circuit is transmitted to the display area AA through the first elastic bridge 12 Each pixel circuit controls each sub-pixel 111 to emit light and display. 3 and 4 only take the partial cross-sectional view of the display area AA as an example for description. The arrangement of the rigid island 11 and the first elastic bridge 12 is similar.

In other embodiments, the elastic bridge may not be provided on the stretchable substrate, that is, the structure obtained by peeling the elastic bridge of the corresponding embodiment of FIG. 1 from the stretchable substrate, the first rigid island 11 is formed by the The bridges 12 are connected, the second rigid islands 21 are connected through the second elastic bridges 22, and the first elastic bridges 12 are connected with the second rigid islands 21. The area where the rigid islands and the elastic bridges are not arranged is a hollow area, so as to further The stretching properties of the display panel 100 are enhanced.

In still other embodiments, the first elastic bridge 12 includes a first connecting line 13 , and the second elastic bridge 22 includes a second connecting line 23 , and each driving of the adjacent second rigid islands 21 can be realized through the second connecting line 23 . The circuits are cascaded, and the signal of the driving circuit is transmitted to each pixel circuit in the display area AA through the first connection line 13, so as to control each sub-pixel 111 to emit light and display. The first connection line 13 may include, for example, at least one of a scan line scan, a data line data, a light emission control signal line emit, and a power supply voltage signal line VDD. In a specific embodiment, the first elastic bridge 12 and the second elastic bridge 23 can be made of metal material to form the first connection line 13 and the second connection line 23 to realize the signal transmission function. In another specific embodiment, please refer to FIG. 5 , which is another B-B sectional view of FIG. 1 . The first elastic bridge 12 and the second elastic bridge 22 can be made of elastic insulating materials, and the first connection line 13 is formed on the first elastic bridge 12, and the second connection line 23 is formed on the second elastic bridge 22. The first connecting line 13 and the second connecting line 23 realize the function of signal transmission. In this embodiment, the first elastic bridge 12 and the second elastic bridge 22 can also protect the first connection wire 13 and the second connection wire 23 respectively. In FIG. 5 , only a partial cross-sectional view of the display area AA is used as an example for illustration. It can be understood that the arrangement of the second rigid islands 21 , the second elastic bridges 22 and the second connection lines 23 in the circuit setting area NA is the same as that of the display area AA. The arrangement of the first rigid island 11 , the first elastic bridge 12 and the first connecting line 13 is similar. In some embodiments, the first elastic bridge 12 includes a first connecting line 13, and the first connecting line 13 may be at least one of a curve, a folded line, and a stitching line formed by the curved line and the folded line. Setting the first connecting line 13 to the above-mentioned curved structure can increase the stretchability of the first connecting line 13 and further increase the stretchability of the display area AA, so as to avoid the first connecting line 100 being stretched when the display panel 100 is stretched. The breakage of the wire 13 affects signal transmission, thereby affecting the display effect of the display panel 100 . It should be noted that the elastic bridge can also be the connection line itself, that is, after the connection line is made on the flexible carrier between the rigid islands, the flexible carrier of the connection line is removed, so that only the connections composed of the signal lines are retained between the rigid islands. Wire. In other embodiments, the second elastic bridge 22 includes a second connection line 23, and the second connection line 23 may be at least one of a curve, a broken line, and a stitching line formed by the curve and the broken line. Setting the second connecting line 23 to the above-mentioned curved structure can increase the stretchability of the second connecting line 23 and further increase the stretchability of the circuit setting area NA, so as to avoid the second connecting line 23 being stretched when the display panel 100 is stretched. The breakage of the line 23 affects the transmission of signals between adjacent driving circuits, thereby affecting the display effect of the display panel 100 .

Please refer to FIG. 6 and FIG. 7 , FIG. 6 is a schematic top view of a display panel provided according to another embodiment of the present invention; FIG. 7 is a first rigid island and a second rigid island provided according to an embodiment of the present invention Schematic diagram of the local connection. The second elastic bridge 22 includes the second connection line 23 , and the first elastic bridge 12 includes the first connection line 13 . The second connection lines 23 can be used to connect the driving circuits on the connected second rigid islands 21 . The second connection lines 23 are generally wider, and the line width of the second connection lines 23 is larger than that of the first connection lines 13 . In some embodiments, the distribution M of the second rigid islands 21 and the distribution N of the first rigid islands 11 satisfy the relationship M>N. Taking the display panel shown as an example, that is, the number of rows of the second rigid islands 21 is greater than the number of rows of the first rigid islands 11 .

Since the second connecting line 23 is wider, its bending performance is poor. In this embodiment, the distribution amount M of the second rigid island 21 is larger than the distribution frame N of the first rigid island 11, so that the circuit arrangement area NA is adjacent to the There are more second elastic bridges 22 between the second rigid islands 21. When the display panel 100 is stretched, the second elastic bridges 22 in the circuit setting area NA have a small amount of stretching to realize the circuit setting NA tool. The whole has a large amount of stretching, and at this time, the deformation amount of the second connecting line 23 located on the second elastic bridge 22 is small, and it is not easy to break. Therefore, in this embodiment, the distribution amount M of the second rigid islands 21 is greater than the distribution amount N of the first rigid islands 11 , which can increase the tensile properties of the circuit setting area NA and is beneficial to the protection of the second connection lines 23 . .

In a specific embodiment, the distribution M of the second rigid islands 21 and the distribution N of the first rigid islands 11 satisfy the relationship M=a*N, where a is an integer greater than or equal to 2.

In this embodiment, the distribution M of the second rigid islands 21 is in an integer multiple relationship with the distribution N of the first rigid islands 11 , which is beneficial to the regular arrangement of the first rigid islands 11 and the second rigid islands 21 on the display panel 100 . , in order to simplify the preparation difficulty. Further, the sub-pixels 111 of the first rigid islands 11 can be controlled by the driving circuits of the second rigid islands 21 in the same number, so as to simplify the connection method.

Exemplarily, the distribution M of the second rigid islands 21 and the distribution N of the first rigid islands 11 satisfy the relationship M=2*N. Please continue to refer to FIG. 6 and FIG. 7 , the number of rows of the second rigid island 21 is twice that of the first rigid island 11 .

In this embodiment, the distribution amount M of the second rigid islands 21 is twice the distribution amount N of the first rigid islands 11 , which can meet the requirements of the stretchability of the circuit setting area NA. At the same time, the number of the second rigid islands 21 It will not be too much, which will not increase the difficulty of process preparation, and the space occupied by the second rigid island 21 is relatively small, which will not increase the frame area of the display panel 100 .

Further, please continue to refer to FIG. 6 and FIG. 7 , the first rigid islands 11 are arranged along the second direction X to form a plurality of first rigid island rows 10 , and each first rigid island row 10 is correspondingly connected to two second rigid islands. Island 21. That is, the sub-pixels 111 of each first rigid island row 10 are controlled by the driving circuits on the corresponding two second rigid islands 21 .

In this embodiment, each first rigid island row 10 is correspondingly connected to two second rigid islands 21. Specifically, according to the arrangement order of the first rigid island row 10 and the second rigid island 21 along the first direction Y, Each first rigid island row 10 is connected to its adjacent two second rigid islands 21 . It is beneficial to the arrangement of the first connection lines 13 connecting the first rigid island 11 and the second rigid island 21, and can avoid the denseness and excessive crossing of the first connection lines 13 and/or the second connection lines 23 through reasonable layout , the product yield can be improved, and the reliability of the display panel 100 can be improved.

In some embodiments, the second rigid island 21 may further include a first sub-second rigid island 211 and a second sub-second rigid island 212 , and the first sub-second rigid island 211 and the second sub-second rigid island 212 are adjacent to each other. The first directions Y are alternately arranged. The first sub-second rigid island 211 is provided with a gate driving circuit to be electrically connected to the gate line of the display area AA to provide the pixel circuit with a signal for controlling the gate of the thin film transistor; the second sub-second rigid island 212 is provided with a light-emitting control circuit to be electrically connected to the light-emitting control signal line of the display area AA to control the light-emitting duration of the light-emitting unit of the sub-pixel 111 . In this embodiment, at least one gate driving circuit may be disposed on the first sub-second rigid island 211 , and at least one light-emitting control circuit may be disposed on the second sub-second rigid island 212 .

In this embodiment, since each sub-pixel 111 can be electrically connected to the corresponding gate driving circuit and light-emitting control circuit, the first sub-second rigid islands 211 and the second sub-second rigid islands 212 alternate in the first direction Y The arrangement can simplify the connection mode of the gate driving circuit, the light emission control circuit and the pixel circuit of the sub-pixel 111 .

In a specific embodiment, four sub-pixels 111 may be disposed on each of the first rigid islands, and the four sub-pixels 111 belong to two rows and two columns of sub-pixels 111 respectively. Each first sub-second rigid island 211 may be provided with two gate driving circuits, and each second sub-second rigid island 212 may be provided with two light-emitting control circuits, and each first sub-second rigid island row 10 is connected to a corresponding first A child hard island 211 and a second child hard island 212.

In another specific embodiment, please refer to FIG. 8 , which is a schematic diagram of a partial connection between the first rigid island and the second rigid island provided according to another embodiment of the present invention. Four sub-pixels 111 may be disposed on each of the first rigid islands 11 , and the four sub-pixels 111 belong to two rows and two columns of sub-pixels 111 respectively. Each first sub-second rigid island 211 may be provided with a gate drive circuit, and each second sub-second rigid island 212 may be provided with a light-emitting control circuit, and each first sub-second rigid island row 10 may be connected to two first rigid islands correspondingly. A sub-hard island 211 and two second sub-hard islands 212 .

The sizes of the first rigid islands 11 in the display area AA may or may not be equal. The sizes of the second rigid islands 21 in the circuit arrangement area NA may be equal or unequal. In some embodiments, the sizes of the first rigid islands 11 of the display panel 100 are all the same, and the sizes of the second rigid islands 21 are all the same, so as to simplify the manufacturing difficulty.

In some embodiments, referring to FIG. 7 , the width W2 of the second rigid island 21 along the first direction Y is smaller than the width W1 of the first rigid island 11 along the first direction Y. In this embodiment, when the length of the display panel 100 is constant along the first direction Y, more second rigid islands 21 may be arranged along the first direction Y in the circuit arrangement area NA.

Further, in some embodiments, please refer to FIG. 9 , which is a schematic structural diagram of a circuit setting area provided according to an embodiment of the present invention. The second rigid islands 21 can be arranged in a single row in the first direction Y, that is, the second rigid islands 21 are arranged along the first direction Y to form a second rigid island row 20, which can reduce the frame width of the display panel 100. It is beneficial to achieve narrow borders and increase the screen ratio.

In some embodiments, the orthographic projection of the second elastic bridge 22 along the first direction Y is located within the orthographic projection of the second rigid island 21 along the first direction Y. It can prevent the second elastic bridge 22 from occupying an area other than the space occupied by the second rigid island 21 along the first direction Y, which is beneficial to realize a narrow frame and improve the screen ratio of the display panel 100 . Taking the circuit arrangement area NA shown in FIG. 9 as an example, the circuit arrangement area NA includes a display panel 100 with a second rigid island row 20 , and the second elastic bridges 22 are located in the area defined by the two dotted lines in the figure.

In other embodiments, please refer to FIG. 10 and FIG. 11 , FIG. 10 is a schematic top view of a display panel provided according to still another embodiment of the present invention; FIG. 11 is a circuit provided according to another embodiment of the present invention Schematic diagram of the structure of the setting area. The second rigid islands 21 can be arranged along the first direction Y to form at least two second rigid island rows 20 , and the second rigid islands 21 included in the adjacent second rigid island rows 20 partially overlap in the second direction X . In the figure, the circuit arrangement area NA has two second rigid island rows 20 as an example for illustration. The second rigid islands 21 in the adjacent second rigid island rows 20 partially overlap in the second direction X, which can reduce the length of the circuit arrangement area NA along the first direction Y, and the second rigid islands 21 are along the first direction Y. The first direction is arranged in a "Z" shape, and the second elastic bridges 22 between the second rigid islands 21 of the adjacent second rigid island rows 20 are correspondingly arranged in a "Z" shape, so the second elastic bridges 22 The setting area of the NA is more dispersed, and when the circuit setting area NA is stretched, it is beneficial to the dispersion of tensile stress, and the stretching reliability of the circuit setting area NA is improved.

In addition, the second rigid islands 21 are arranged in multiple rows, and one second rigid island row 20 is divided into two or more second rigid island rows 20, so that more second rigid islands can be distributed in a unit size. 21. The staggered rigid islands can reduce the size of the circuit arrangement area NA along the first direction Y. By arranging the second elastic bridges 22 between adjacent second rigid islands 21 in different columns, the length and width of the second elastic bridges 22 will not be compressed, the circuit characteristics of the driving circuit will not be affected, and the second elastic bridges can be maintained 22 elastic properties. Please compare FIG. 9 and FIG. 11 , the circuit setting area NA in FIG. 9 is provided with a single row of second rigid islands 21 , assuming that the number of the second rigid islands 21 in 9 and FIG. The widths are all W1, the width between the adjacent second rigid islands 21 in FIG. 9 is H1, and the width between the adjacent second rigid islands 21 in the same row in FIG. 11 is H2, then in FIG. The length L1 occupied by the two rigid island rows 20 in the first direction Y=2n*W1+(2n-1)*H1, in FIG. 11 , the length L2 occupied by the two second rigid island rows 20 in the first direction Y= n*W1+(n-1)*H2+H3, since the second rigid islands 21 in different columns in FIG. 11 overlap in the second direction X, H2 in FIG. 11 is smaller than a second rigid island in FIG. 9 The sum of the width W1 of 21 and the width H1 between the adjacent second rigid islands 21, therefore, L2 is much smaller than L1. From the above analysis, it can be known that the embodiment of arranging a plurality of second rigid island rows 20 in the circuit arrangement area NA can effectively reduce the size of the circuit arrangement area NA in the first direction Y.

In some embodiments, please continue to refer to FIG. 11 , the circuit arrangement area NA includes the display panel 100 with a plurality of second rigid island rows 20 , the arrangement position of the second connection lines 23 can be relatively large, the second elastic bridges 22 It can be located in the space occupied by all the second rigid island rows 20 and the area between the adjacent rigid island rows 20 along the first direction Y, that is, it can be located between the two vertical dotted lines in the figure. within the area. It can prevent the second elastic bridge 22 from occupying an area other than the space occupied by the second rigid island 21 along the first direction Y, which is beneficial to realize a narrow frame and improve the screen ratio of the display panel 100 .

In some embodiments, please refer to FIG. 12 , which is a schematic structural diagram of a circuit setting area provided according to another embodiment of the present invention. In the circuit setting area NA, adjacent second rigid islands 21 are connected by at least two second connection lines 23 . In this embodiment, the connecting wires connecting the adjacent second rigid islands 21 are divided into multiple strands of the second connecting wires 23 , so that the overall tensile properties of the second connecting wires 23 between the adjacent second rigid islands 21 can be improved. .

In the above embodiment, the shapes of the first rigid island 11 and the second rigid island 21 are not limited. In some embodiments, the first rigid island 11 and the second rigid island 21 may be arranged in a rectangular shape. The second rigid island 21 can be provided with a vertical shift register (Vertical Shift Register, VSR), and the driving circuit can be specifically arranged in the VSR. Since the VSR is usually a rectangular structure, in order to set more second rigid islands 21 in the circuit setting area NA , the short side of the VSR on the second rigid island 21 extends along the first direction Y.

In some embodiments, the display panel 100 may also be stretchable along the second direction X. In this embodiment, the display panel 100 may be stretchable along the second direction X by the display area AA being stretchable along the second direction X, The circuit arrangement area NA can be stretched only along the first direction Y, and the second direction X cannot be stretched. In this way, when the display panel 100 is stretched along the second direction Y, only the second direction of the display area AA is increased. The length of the direction X, but the width of the circuit arrangement area NA of the display panel 100 will not increase, which can improve the screen ratio of the display panel 100 . In addition, the distribution amount M of the second rigid islands 21 in the circuit arrangement area NA of the display panel 100 is greater than the distribution amount N of the first rigid islands 11 in the display area AA. When the display panel 100 is stretched in the first direction Y, the circuit arrangement The area NA does not limit the stretchability of the display panel 100 .

The present invention also provides a display device 1000. Please refer to FIG. 13. FIG. 13 is a schematic structural diagram of a display device according to an embodiment of the present invention. The display device 1000 of this embodiment includes any of the above Example display panel 100. Since the display device 1000 of the embodiment of the present invention includes the display panel 100 of any of the above-mentioned embodiments, it has the beneficial effects of the display panel 100 of the above-mentioned embodiments, which will not be repeated here.

The display device 1000 in this embodiment is a stretchable display device, and the display device 1000 may include, but is not limited to, electronic paper, mobile phones, tablet computers, televisions, notebook computers, digital photo frames, navigators, and other products or components with display functions. .

In accordance with the embodiments of the present invention as described above, these embodiments do not exhaustively describe all the details and do not limit the invention to only the specific embodiments described. Obviously, many modifications and variations are possible in light of the above description. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can make good use of the present invention and modifications based on the present invention. The present invention is to be limited only by the claims and their full scope and equivalents.

Claims (12)

1. A display panel, characterized in that the display panel has a display area and a circuit setting area located on a peripheral side of the display area, and the display panel is stretchable along a first direction; The display area includes first rigid islands arranged in an array and first elastic bridges arranged between the first rigid islands, the first rigid islands are provided with at least one sub-pixel, and the first rigid islands pass through the first elastic bridge is connected with the adjacent first rigid island and with the circuit setting area; The circuit setting area includes second rigid islands spaced along the first direction, second elastic bridges connecting adjacent second rigid islands, and driving circuits are disposed on the second rigid islands; In the first direction, the distribution of the second rigid islands is M, the distribution of the first rigid islands is N, and M≠N, where M is an integer greater than or equal to 2, and N is Integer greater than or equal to 2. 2 . The display panel according to claim 1 , wherein the distribution amount M of the second rigid islands and the distribution amount N of the first rigid islands satisfy the relationship M>N. 3 . 3 . The display panel according to claim 2 , wherein the distribution quantity M of the second rigid islands and the distribution quantity N of the first rigid islands satisfy the relational formula M=a*N, wherein a is Integer greater than or equal to 2. 4 . The display panel according to claim 3 , wherein the distribution amount M of the second rigid islands and the distribution amount N of the first rigid islands satisfy the relational expression M=2*N. 5 . 5 . The display panel according to claim 4 , wherein the first rigid islands are arranged along the second direction to form a plurality of first rigid island rows, and each of the first rigid island rows is correspondingly connected to two of the first rigid islands. 6 . The second rigid island, wherein the second direction intersects the first direction. 6 . The display panel according to claim 1 , wherein the second rigid island comprises a first sub-second rigid island and a second sub-second rigid island, and the first sub-second rigid island is connected to all the second rigid islands. 7 . The second sub-second rigid islands are alternately arranged along the first direction, wherein the first sub-second rigid islands are provided with gate drive circuits, and the second sub-second rigid islands are provided with light-emitting Control circuit. 7 . The display panel of claim 1 , wherein the orthographic projection of the second elastic bridge along the first direction is located within the orthographic projection of the second rigid island along the first direction. 8 . 8 . The display panel according to claim 1 , wherein the first elastic bridge comprises a first connection line, and the first connection line is at least one of a curve, a fold line, a curve, and a splicing line formed by the fold line. 9 . a; and/or, The second elastic bridge includes a second connection line, and the second connection line is at least one of a curved line, a broken line, a curved line, and a stitching line formed by the broken line. 9 . The display panel of claim 1 , wherein the first elastic bridge comprises a first connection line, the second elastic bridge comprises a second connection line, and the line width of the second connection line is larger than The line width of the first connection line. 10 . The display panel of claim 2 , wherein a width of the second rigid island along the first direction is smaller than a width of the first rigid island along the first direction. 11 . 11 . The display panel according to claim 2 , wherein the second rigid islands are arranged along the first direction to form at least two second rigid island rows, and the adjacent second rigid island rows are arranged in the display panel of claim 2 . The included second rigid islands partially overlap in a second direction, wherein the second direction intersects the first direction. 12. A display device, comprising the display panel according to any one of claims 1 to 11.

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