CN115035805A - Stretchable display panel and stretchable display device - Google Patents
Stretchable display panel and stretchable display device Download PDFInfo
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- CN115035805A CN115035805A CN202210867054.2A CN202210867054A CN115035805A CN 115035805 A CN115035805 A CN 115035805A CN 202210867054 A CN202210867054 A CN 202210867054A CN 115035805 A CN115035805 A CN 115035805A
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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Abstract
The invention discloses a stretchable display panel and a stretchable display device, wherein the stretchable display panel comprises a display area and a frame area arranged around the display area, and the frame area comprises a peripheral area and a transition area arranged between the peripheral area and the display area; a plurality of pixel island regions which are separated from each other, an opening region arranged between adjacent pixel island regions and a connecting bridge for connecting the adjacent pixel island regions are arranged in the display region; a plurality of first island regions which are separated from each other, a first hole region arranged between the adjacent first island regions and a first bridge region connected with the first island regions are arranged in the peripheral region; a plurality of second island regions which are separated from each other, a second hole region arranged between the adjacent second island regions and a second bridge region connected with the second island regions are arranged in the transition region; the shape of the first hole region, the shape of the second hole region and the shape of the pixel island region are different from each other, the width of the first bridge region and the width of the second bridge region are both larger than the width of the connecting bridge, and the first bridge region and the second bridge region are both in curved structures bent along two directions.
Description
Technical Field
The invention relates to the technical field of display, in particular to a stretchable display panel and a stretchable display device.
Background
The display panel forms an island-bridge structure through the design of a hole structure, the display light-emitting units are placed in the island region, the connecting lines are placed in the bridge region, and the stretching function of the display panel is achieved.
In order to improve the stretching performance of the display panel, the bridge Area in the Active Area (AA for short) Area is usually designed to be narrow and long, but in order to achieve the same stretching performance, the bridge areas in the left and right frame areas adjacent to the AA Area must also be narrowed in width, which causes the reduction of the width of the voltage signals VDD, VSS, Vinit and other traces in the frame Area, resulting in the problem of IR drop increase due to the narrow trace space and increased impedance in the frame Area.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a stretchable display panel and a stretchable display device.
In a first aspect, an embodiment of the present invention provides a stretchable display panel, including a display area and a bezel area disposed around the display area, where the bezel area includes a peripheral area and a transition area disposed between the peripheral area and the display area;
a plurality of pixel island regions which are distributed in an array and are separated from one another, an opening region arranged between adjacent pixel island regions and a connecting bridge connecting the adjacent pixel island regions are arranged in the display region;
a plurality of first island regions which are separated from each other, a first hole region arranged between the adjacent first island regions and a first bridge region connected with the first island regions are arranged in the peripheral region;
a plurality of second island regions which are separated from each other, a second hole region arranged between the adjacent second island regions and a second bridge region connected with the second island regions are arranged in the transition region;
the shape of the first hole region, the shape of the second hole region and the shape of the pixel island region are different from each other, the width of the first bridge region and the width of the second bridge region are both larger than the width of the connecting bridge, and the first bridge region and the second bridge region are both curved structures which are bent in two directions.
Further, the width of the first bridge area gradually increases along the direction from the frame area to the display area, and the width of the first bridge area is 30-200 μm.
Furthermore, the first bridge area is of an S-shaped structure or an arc-shaped structure.
Furthermore, each first island is connected with at least two first bridge regions, and the at least two first bridge regions connected with the first island are distributed in a central symmetry mode around the first island.
Furthermore, each first island region is connected with four first bridge regions, and the four first bridge regions connected with the first island regions are distributed in a windmill shape.
Further, the plurality of first island regions and the plurality of second island regions are distributed in an array;
in the longitudinal direction of the stretchable display panel, the number of rows of the second island regions is the same as that of the pixel island regions and corresponds to that of the pixel island regions one by one, the number of rows of the first island regions is half of that of the pixel island regions, and the positions of the first island regions correspond to the positions between two adjacent rows of the pixel island regions one by one;
in a lateral direction of the stretchable display panel, the first island region and a first bridge region connected to the first island region span the same width as two adjacent pixel island regions.
Further, in the transverse direction of the stretchable display panel, the frame region includes a first side frame region and a second side frame region respectively located at two sides of the display region, the peripheral region includes a first peripheral sub-region located in the first side frame region and a second peripheral sub-region located in the second side frame region, the transition region includes a first transition sub-region located in the first side frame region and a second transition sub-region located in the second side frame region, a row of the second island regions is respectively arranged in the first transition sub-region and the second transition sub-region, wherein,
within the first side bezel region, a first island region within the first peripheral sub-region immediately adjacent the first transition sub-region is connected to a second island region of a corresponding adjacent odd-even row within the first transition sub-region; within the second side frame region, a first island region within the second peripheral sub-region immediately adjacent to the second transition sub-region is contiguous with a second island region of a corresponding adjacent odd-even row within the second transition sub-region; or,
in the first side frame region, a first island region in the first peripheral sub-region, which is adjacent to the first transition sub-region, is connected with a corresponding odd-number-row second island region in the first transition sub-region; in the second side frame region, a first island region in the second peripheral sub-region, which is adjacent to the second transition sub-region, is connected with a corresponding even number of rows of second island regions in the second transition sub-region.
Further, the plurality of first islands includes a column of first sub-island regions, a column of second sub-island regions, and a column of third sub-island regions, the first, second, and third sub-island regions being progressively closer to the display region;
the first bridge region comprises a first sub-bridge region connected with the first sub-island region, a second sub-bridge region connected with the second sub-island region and a third sub-bridge region connected with the third sub-island region, the width of the first sub-bridge region is smaller than that of the second sub-bridge region, and the width of the second sub-bridge region is smaller than that of the third sub-bridge region;
and the first sub-island region, the second sub-island region and the third sub-island region are respectively provided with a grid signal driving circuit, a light-emitting signal driving circuit and a reset signal driving circuit.
Furthermore, the first island region is of a circular structure, a square structure or any polygonal structure; and/or the presence of a gas in the gas,
in the first islands in the same column, the first bridge regions between two adjacent first islands are in a symmetrical structure.
In a second aspect, an embodiment of the present invention provides a stretchable display device, including the stretchable display panel.
The technical scheme provided by the embodiment of the invention can have the following beneficial effects:
according to the stretchable display panel and the stretchable display device provided by the embodiment of the invention, the width of the first bridge area in the peripheral area and the width of the second bridge area in the transition area are both larger than the width of the connecting bridge in the display area, so that the wiring width is met to avoid the increase of resistance, and the problem of IR drop is solved; the first bridge area and the second bridge area are of curved structures bent along two directions, the stretching performance of the frame area is met while the wiring width is met, and the buffer is formed between the peripheral area and the display area in the transition area, so that the display area is protected from being damaged.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 is a schematic plan view illustrating a stretchable display panel according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating a planar structure of a display area in a stretchable display panel according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a stretchable display panel according to an embodiment of the present invention, in which a bezel region is connected to a display region;
fig. 4 is a schematic structural diagram of a stretchable display panel in which a bezel region is connected to a display region according to another embodiment of the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The embodiment of the invention provides a stretchable display panel, which comprises a display area and a frame area arranged around the display area, wherein the frame area comprises a peripheral area and a transition area arranged between the peripheral area and the display area. The stretchable display panel may be expanded or contracted without damage.
Fig. 1 is a schematic plan view illustrating a stretchable display panel according to an embodiment of the present invention. Referring to fig. 1, in a transverse direction (i.e., X direction) of the stretchable display panel, the bezel region includes a first bezel region 10 and a second bezel region 11 respectively located at two sides of the display region, the peripheral region includes a first peripheral sub-region 101 located at the first bezel region 10 and a second peripheral sub-region 111 located at the second bezel region 11, and the transition region includes a first transition sub-region 102 located at the first bezel region 10 and a second transition sub-region 112 located at the second bezel region 11; in the longitudinal direction (i.e., Y direction) of the stretchable display panel, the bezel region further includes an upper bezel region 12 and a lower bezel region 13. The first peripheral sub-region 101 and the second peripheral sub-region 111 are Gate On Array (GOA) layout regions, respectively.
In fig. 1, the first bezel region is located on the left side of the stretchable display panel, and the second bezel region is located on the right side of the stretchable display panel. However, the present invention is not limited thereto, and the first bezel region may be located at the right side of the stretchable display panel, and the second bezel region may be located at the left side of the stretchable display panel.
Fig. 2 is a schematic plan view illustrating a display area of a stretchable display panel according to an embodiment of the present invention.
Referring to fig. 2, a plurality of pixel islands 110 distributed in an array and spaced apart from each other, an opening region 120 disposed between adjacent pixel islands 110, and a connection bridge 130 connecting adjacent pixel islands 110 are disposed in the display region 100.
The pixel island regions 110 are disposed within the display region 100, and the pixel island regions 110 are disposed spaced apart from each other. The pixel island 110 is provided with pixels, and the pixels may include a first sub-pixel, a second sub-pixel and a third sub-pixel, for example, the first sub-pixel, the second sub-pixel and the third sub-pixel may be a red sub-pixel, a green sub-pixel and a blue sub-pixel, respectively; and a pixel circuit for driving pixels, etc. may also be disposed on the pixel island 110.
The connection bridge 130 may connect two pixel islands 110 adjacent to each other, a wiring line connected to a pixel within the pixel island 110 may be disposed on the connection bridge 130, and a pixel on the pixel island 110 may receive a driving signal, a power supply voltage, and the like from the wiring line disposed on the connection bridge 130; the open region 120 is formed between the pixel island regions 110, between the connection bridges 130, and between the pixel island regions 110 and the connection bridges 130.
In some exemplary embodiments, each pixel island 110 is connected to four connection bridges 130, and each pixel island 110 may be respectively connected to four adjacent pixel islands 110 through the four connection bridges 130. However, the present invention is not limited thereto, and the pixel island 110 may be connected to two, three, five or more adjacent pixel islands 110 by the connection bridge 130.
In some exemplary embodiments, the apertured region 120 may be in the shape of a capital letter "H" (e.g., a barbell). Further, the shape of the opening area 120 is not limited thereto, and may be other shapes such as a dumbbell shape, a circular arc shape, a cross shape, or a polygon shape.
When an external force is applied to the display area 100, the display area 100 is stretched as the shape and/or size of the open hole region 120 therein is changed, and the pixel island region 110 is not substantially deformed and thus can resist significant damage, so that an image displayed in the display area 110 can be maintained.
Fig. 3 is a schematic structural diagram of a stretchable display panel according to an embodiment of the present invention, in which a bezel region is connected to a display region. Specifically, fig. 3 is a plan view of a region B in fig. 1.
Referring to fig. 1 and 3, the first side bezel region 10 includes a first peripheral sub-region 101 and a first transition sub-region 102; similarly, the second bezel region 11 has the same structural design as the first bezel region 10, and the second bezel region 11 and the first bezel region 10 are symmetrically disposed in the transverse direction of the stretchable display panel.
As shown in fig. 3, a plurality of first island regions 201 spaced apart from each other, a first bridge region 202 connected to the first island regions 201, and first hole regions 203 disposed between adjacent first island regions 201 are provided in the first peripheral sub-region 101;
a plurality of second island regions 301 which are separated from each other and a second bridge region 302 connected with the second island regions 301 are arranged in the first transition sub-region 102;
the shape of the first island region 201, the shape of the second island region 301, and the shape of the pixel island region 110 are different from each other, the width of the first bridge region 202 and the width of the second bridge region 302 are both larger than the width of the connecting bridge 130, and the first bridge region 203 and the second bridge region 302 are both curved structures that are bent in two directions.
The first bridge region 202 may be used to route driving signal lines, and the like, and the second bridge region 302 may be used to route voltage signal lines, and the like.
In this embodiment, the width of the first bridge area 202 and the width of the second bridge area 302 are both greater than the width of the connecting bridge 130, so as to satisfy the routing width in the border area, and effectively avoid the impedance increase caused by too narrow and too long first bridge area 202 and second bridge area 302, thereby overcoming the problem of IR drop increase; moreover, the first bridge area 202 is a curved structure that is curved along the X direction and the Y direction, and the second bridge area 302 is also a curved structure that is curved along the X direction and the Y direction, so as to ensure the tensile property of the frame area, which is beneficial to improving the overall tensile property of the display panel.
In some exemplary embodiments, the width of the first bridge region 202 is gradually increased along a direction from the bezel region (refer to fig. 1 and 3, where the bezel region is the first bezel region 10) to the display region 100, and the width of the first bridge region 202 is 30 μm to 200 μm.
In some exemplary embodiments, the plurality of first islands 201 includes a column of first sub-island 2011, a column of second sub-island 2012, and a column of third sub-island 2013, the first sub-island 2011, the second sub-island 2012, and the third sub-island 2013 being progressively closer to the display area;
the first sub-island 2011, the second sub-island 2012 and the third sub-island 2013 are respectively provided with a Gate signal driving circuit (Gate GOA), a light emission signal driving circuit (EM GOA) and a Reset signal driving circuit (Reset GOA).
For example, the width of the first sub-bridge region 2021 is 50 μm, the width of the second sub-bridge region 2022 is 100 μm, and the width of the third sub-bridge region 2023 is 150 μm;
gate GOAs are arranged on the first sub-island 2011, EM GOAs are arranged on the second sub-island 2012, and Reset GOAs are arranged on the third sub-island 2013.
First sub-island 2011 and second sub-island 2012 are connected to second sub-bridge 2022 via first sub-bridge 2021, and second sub-island 2012 and third sub-island 2013 are connected to third sub-bridge 2023 via second sub-bridge 2022; in the direction gradually approaching the display area 100, the width of the wiring in the frame area is gradually increased, and the width of the corresponding first bridge area 202 is also gradually increased, so as to meet the wiring requirement in the frame area, and avoid the impedance increase caused by the over-narrow and over-long first bridge area 202, thereby avoiding the IR drop increase.
In some exemplary embodiments, the first bridge region 202 has an S-shaped structure or a circular arc-shaped structure. Since the first bridge region 202 has a curved shape, when an external force is applied to the first side frame region, the shape and/or size of the first aperture region 203 may be changed, and the first bridge region 202 may be easily expanded or contracted, so that the first side frame region may be deformed by stretching; similarly, when an external force is applied to the second side frame, the second side frame is expanded or contracted along with the change of the shape and/or size of the first hole region therein, so that the second side frame region can be deformed by stretching.
Referring to fig. 3, the first bridge region 202 may have an S-shaped structure. Namely, the first sub-bridge region 2021, the second sub-bridge region 2022 and the third sub-bridge region 2023 are all in an S-shaped structure.
In some exemplary embodiments, at least two first bridge regions 202 are connected to each first island region 201, and the at least two first bridge regions 202 connected to the first island region 201 are distributed in a central symmetry manner with respect to the first island region 201. That is, at least two first bridge regions 202 are connected to the first island region 201, each first island region 201 may be connected to an adjacent first island region 201 through the first bridge region 202, and the first bridge regions 202 connected to the first island regions 201 are distributed in a central symmetry manner, which is convenient for the design of the first island region 201 and the second bridge region 202.
In some exemplary embodiments, four first bridge regions 202 are connected to each first island region 201, and the four first bridge regions 202 connected to the first island region 201 are arranged in a windmill shape. The first island regions 201 and the first bridge regions 202 are distributed conveniently, and each first island region 201 is connected with four adjacent first island regions 201.
In some exemplary embodiments, the plurality of first islands 201 and the plurality of second islands 301 are distributed in an array;
in the longitudinal direction of the stretchable display panel, the number of rows of the second island regions 301 is the same as the number of rows of the pixel island regions 110, and corresponds to one, the number of rows of the first island regions 201 is half of the number of rows of the pixel island regions 110, and the positions of the first island regions 201 are in one-to-one correspondence with the positions between two adjacent rows of the pixel island regions 110;
in a lateral direction of the stretchable display panel, the first island region 201 and the first bridge region 202 connected to the first island region 201 span the same width as two adjacent pixel island regions 110.
That is, in the X direction, the first island region 201 and the first bridge region 202 connected to the first island region (e.g., the second sub-island region 2012 and the first sub-bridge region 2022 connected to the second sub-island region 2012) span the same width as the width spanned by the two adjacent pixel island regions 110; in the Y direction, the first island region 201 and the first bridge region 202 connected to the first island region (e.g., the second sub-island region 2012 and the first sub-bridge region 2022 connected to the second sub-island region 2012) span the same width as the width spanned by the adjacent two pixel islands 110. The corresponding relation among the first island region, the second island region and the pixel island region facilitates the connection of the wiring in the frame region and the wiring in the connecting bridge region in the display region.
In some exemplary embodiments, a column of second island regions 301 is disposed within the first transition sub-region 102 and the second transition sub-region 112, respectively;
within the first side frame region 10, a first island region 201 within the first peripheral sub-region 101 immediately adjacent to the first transition sub-region 102 is connected to a second island region 301 of a corresponding adjacent odd-even row within the first transition sub-region 102; similarly, in the second side frame region 11, the first island region 201 in the second peripheral sub-region 111 adjacent to the second transition sub-region 112 is connected to the second island region 301 of the corresponding adjacent odd-even row in the second transition sub-region 112.
For example, in the first frame region 10, the third sub-island region 2013 is connected to the second island region 301 of the corresponding adjacent odd-even row, and the second bridge regions 302 connected to the second island regions 301 of the adjacent odd-even rows are merged and connected to one third sub-bridge region connected to the third sub-island region 201; similarly, in the second frame region 11, the third sub-island region 2013 is connected to the corresponding second island region 301 of the adjacent odd-even row, and the second bridge regions connected to the second island regions 301 of the adjacent odd-even row are merged and connected to a third sub-bridge region connected to the third sub-island region 2013. For example, in the first frame region 10 and the second frame region 11, the second island region 301 in the first row and the second island region 301 in the second row are connected to the third sub-island region 2013 in the first row, the second island region 301 in the third row and the second island region 301 in the fourth row are connected to the third sub-island region 2013 in the second row, and so on, and bridging between the third sub-island region and the second island region is realized. The number of rows of the third sub-island is half the number of rows of the second island.
In some exemplary embodiments, the first island 201 has a circular structure or a square structure or any other polygonal structure. The first bridge region 202 extends from the edge of the first island region 201, and the first island region 201 has a circular structure or a square structure, which facilitates the design of the first bridge region 202. Of course, the present invention is not limited to this, and other regular patterns, such as a pentagonal structure, a hexagonal structure, and the like, are also possible.
In some exemplary embodiments, in the first islands 201 in the same column, the first bridge region 202 between two adjacent first islands 201 is in a symmetrical structure.
In the stretchable display panel provided in this embodiment, in the transverse direction, the AA area has two symmetrical parts, for example, the dashed line D in fig. 1 divides the AA area into a left AA area and a right AA area, and the driving signal line and the voltage signal line in the first frame area are connected to the left AA area; and the driving signal line and the voltage signal line in the second frame area are connected with the right AA area. In the pixel islands of each row, the pixel islands to the left of the dotted line D are connected by a connecting bridge, and the pixel islands to the right of the dotted line D are connected by a connecting bridge.
Fig. 4 is a schematic structural diagram of a stretchable display panel in which a bezel region is connected to a display region according to another embodiment of the present invention. Specifically, fig. 4 is another plan view of the region B in fig. 1.
Referring to fig. 1 and 4, in the first side frame region 10, the first island regions 201 adjacent to the first transition sub-region 102 in the first peripheral sub-region 101 are connected to the corresponding odd-numbered row second island regions 301 in the first transition sub-region 102;
in the second side frame region 11, the first island regions 201 in the second peripheral sub-region 111 adjacent to the second transition sub-region 112 are connected to the corresponding even-numbered rows of second island regions 301 in the second transition sub-region 112.
For example, the pixel islands on a row are bridged by a connecting bridge; the third sub-island region positioned in the first row in the first side frame region is bridged with the second island region positioned in the first row, the third sub-island region positioned in the second row is bridged with the second island region positioned in the third row, and the driving signals and the voltage signals are provided for the odd-numbered row pixel island regions in the same way; and a third sub-island region positioned in the first row in the second side frame region is bridged with a second island region positioned in the second row, the third sub-island region positioned in the second row is bridged with a second island region positioned in the fourth row, and the driving signals and the voltage signals are provided for the pixel islands in the even rows in the same way. The number of rows of the third sub-island is half the number of rows of the second island.
However, the invention is not limited thereto, if the stretchable display panel has the first side frame region on the right side and the second side frame region on the left side, and in the first side frame region, the first island region in the first peripheral sub-region adjacent to the first transition sub-region is connected to the corresponding even-numbered second island region in the first transition sub-region; in the second side frame region, the first island region in the second peripheral sub-region, which is adjacent to the second transition sub-region, is connected with the corresponding odd-numbered second island regions in the second transition sub-region.
It should be noted that, the remaining structure of the stretchable display panel provided in this embodiment may refer to the previous embodiment, and will not be described herein again.
Based on the same inventive concept, embodiments of the present invention provide a stretchable display device including the stretchable display panel described above.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
The present invention employs the terms first, second, etc. to describe various information, but the information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The foregoing description is only exemplary of the preferred embodiments of the invention and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention is not limited to the specific combination of the above-mentioned features, but also encompasses other embodiments in which any combination of the above-mentioned features or their equivalents is possible without departing from the inventive concept. For example, the above features and (but not limited to) features having similar functions disclosed in the present invention are mutually replaced to form the technical solution.
Claims (10)
1. A stretchable display panel, comprising a display region and a border region disposed around the display region, the border region comprising a peripheral region, a transition region disposed between the peripheral region and the display region;
a plurality of pixel island regions which are distributed in an array mode and are separated from one another, an opening region arranged between every two adjacent pixel island regions and a connecting bridge for connecting the adjacent pixel island regions are arranged in the display region;
a plurality of first island regions which are separated from each other, a first hole region arranged between the adjacent first island regions and a first bridge region connected with the first island regions are arranged in the peripheral region;
a plurality of second island regions which are separated from each other, a second hole region arranged between the adjacent second island regions and a second bridge region connected with the second island regions are arranged in the transition region;
the shape of the first hole region, the shape of the second hole region and the shape of the pixel island region are different from each other, the width of the first bridge region and the width of the second bridge region are both larger than the width of the connecting bridge, and the first bridge region and the second bridge region are both curved structures which are bent in two directions.
2. A stretchable display panel according to claim 1, wherein the width of the first bridge region gradually increases along a direction from the bezel region to the display region, and the width of the first bridge region is 30 μm to 200 μm.
3. The stretchable display panel of claim 2, wherein the first bridge region has an S-shaped structure or a circular arc-shaped structure.
4. A stretchable display panel according to claim 3, wherein at least two first bridge regions are connected to each first island region, and at least two first bridge regions connected to the first island region are arranged in a central symmetry manner with respect to the first island region.
5. The stretchable display panel according to claim 4, wherein four first bridge regions are connected to each first island region, and four first bridge regions connected to the first island regions are distributed in a windmill shape.
6. A stretchable display panel according to claim 1, wherein the plurality of first islands and the plurality of second islands are distributed in an array;
in the longitudinal direction of the stretchable display panel, the number of rows of the second island regions is the same as that of the pixel island regions and corresponds to that of the pixel island regions one by one, the number of rows of the first island regions is half of that of the pixel island regions, and the positions of the first island regions correspond to the positions between two adjacent rows of the pixel island regions one by one;
in a lateral direction of the stretchable display panel, the first island region and a first bridge region connected to the first island region span the same width as two adjacent pixel island regions.
7. A stretchable display panel according to claim 6, wherein the bezel region comprises a first side bezel region and a second side bezel region respectively located at both sides of the display region in a transverse direction of the stretchable display panel, the peripheral region comprises a first peripheral sub-region located at the first side bezel region and a second peripheral sub-region located at the second side bezel region, the transition region comprises a first transition sub-region located at the first side bezel region and a second transition sub-region located at the second side bezel region, and a column of the second island region is respectively located in the first transition sub-region and the second transition sub-region, wherein,
within the first side bezel region, a first island region within the first peripheral sub-region immediately adjacent the first transition sub-region is connected to a second island region of a corresponding adjacent odd-even row within the first transition sub-region; within the second side frame region, a first island region within the second peripheral sub-region immediately adjacent to the second transition sub-region is contiguous with a second island region of a corresponding adjacent odd-even row within the second transition sub-region; or,
in the first side frame region, a first island region in the first peripheral sub-region, which is adjacent to the first transition sub-region, is connected with a corresponding odd-numbered row of second island regions in the first transition sub-region; in the second side frame region, a first island region in the second peripheral sub-region, which is adjacent to the second transition sub-region, is connected with a corresponding even number of rows of second island regions in the second transition sub-region.
8. The stretchable display panel of claim 2, wherein the plurality of first islands comprise a column of first sub-island regions, a column of second sub-island regions, and a column of third sub-island regions, the first sub-island region, the second sub-island region, and the third sub-island region gradually approaching the display region;
the first bridge region comprises a first sub-bridge region connected with the first sub-island region, a second sub-bridge region connected with the second sub-island region and a third sub-bridge region connected with the third sub-island region, the width of the first sub-bridge region is smaller than that of the second sub-bridge region, and the width of the second sub-bridge region is smaller than that of the third sub-bridge region;
and the first sub-island region, the second sub-island region and the third sub-island region are respectively provided with a grid signal driving circuit, a light-emitting signal driving circuit and a reset signal driving circuit.
9. The stretchable display panel according to any one of claims 1 to 8, wherein the first islands have a circular structure or a square structure or any polygonal structure; and/or the presence of a gas in the gas,
in the first islands in the same column, the first bridge regions between two adjacent first islands are in a symmetrical structure.
10. A stretchable display device, comprising: the stretchable display panel according to any one of claims 1-9.
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