CN115035805B - Stretchable display panel and stretchable display device - Google Patents
Stretchable display panel and stretchable display device Download PDFInfo
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- CN115035805B CN115035805B CN202210867054.2A CN202210867054A CN115035805B CN 115035805 B CN115035805 B CN 115035805B CN 202210867054 A CN202210867054 A CN 202210867054A CN 115035805 B CN115035805 B CN 115035805B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—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
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
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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; the display area is internally provided with a plurality of pixel island areas which are separated from each other, an open area which is arranged between adjacent pixel island areas and a connecting bridge which connects the adjacent pixel island areas; a plurality of first island regions which are separated from each other, first hole regions which are arranged between adjacent first island regions and first bridge regions which are connected with the first island regions are arranged in the peripheral region; a plurality of second island regions which are separated from each other, second hole regions which are arranged between adjacent second island regions and second bridge regions which are connected with the second island regions are arranged in the transition region; the shapes of the first hole area, the second hole area and the pixel island area are different from each other, the width of the first bridge area and the width of the second bridge area are both larger than the width of the connecting bridge, and the first bridge area and the second bridge area are both curved structures which are 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 open pore structure design, the island region is provided with the display luminous unit, and the bridge region is provided with the connecting wire, so that the stretching function of the display panel is realized.
In order to improve the tensile performance of the display panel, the bridge Area in the Active Area is usually designed to be narrow and long, but the bridge areas of the left and right frame areas adjacent to the AA Area must also be narrowed in width to achieve the same tensile performance, so that the wiring widths of the voltage signals VDD, VSS, vinit and the like of the frame areas must be reduced, the wiring space of the frame areas is narrow, the impedance is increased, and the problem of IR drop (voltage drop) increase is caused.
Disclosure of Invention
In view of the foregoing drawbacks or shortcomings 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 frame area disposed around the display area, where the frame area includes a peripheral area and a transition area disposed between the peripheral area and the display area;
the display area is internally provided with a plurality of pixel island areas which are distributed in an array and are separated from each other, an open area arranged between the adjacent pixel island areas and a connecting bridge for connecting the adjacent pixel island areas;
a plurality of first island regions which are separated from each other, first hole regions which are arranged between adjacent first island regions and first bridge regions which are connected with the first island regions are arranged in the peripheral region;
a plurality of second island regions which are separated from each other, second hole regions which are arranged between adjacent second island regions and second bridge regions which are connected with the second island regions are arranged in the transition region;
the shapes of the first hole area, the second hole area and the pixel island area are different from each other, the width of the first bridge area and the width of the second bridge area are larger than the width of the connecting bridge, and the first bridge area and the second bridge area are of curve-shaped structures which are bent along two directions.
Further, the width of the first bridge region gradually increases along the direction from the frame region to the display region, and the width of the first bridge region is 30 μm-200 μm.
Further, the first bridge region is in an S-shaped structure or an arc-shaped structure.
Further, each first island is connected with at least two first bridge regions, and at least two first bridge regions connected with the first island are distributed in a central symmetry mode relative to the first island.
Further, 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 region is the same as the number of rows of the pixel island region and corresponds to each other one by one, the number of rows of the first island region is half of the number of rows of the pixel island region, and the position of the first island region corresponds to the position between two adjacent rows of the pixel island regions one by one;
in the lateral direction of the stretchable display panel, the width of the first island region and the first bridge region connected with the first island region is the same as the width of the adjacent two pixel island regions.
Further, in the transverse direction of the stretchable display panel, the border region includes a first side border region and a second side border region respectively located at both sides of the display region, the peripheral region includes a first peripheral sub-region located at the first side border region and a second peripheral sub-region located at the second side border region, the transition region includes a first transition sub-region located at the first side border region and a second transition sub-region located at the second side border region, a row of the second island regions are respectively provided in the first transition sub-region and the second transition sub-region,
a first island region in the first peripheral subarea, which is adjacent to the first transition subarea, is connected with a second island region of an adjacent odd-even row in the first transition subarea in the first side border area; in the second side frame region, a first island region in the second peripheral subarea, which is adjacent to the second transition subarea, is connected with a second island region of an adjacent odd-even row in the second transition subarea; 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 second island region in an even number row in the second transition sub-region.
Further, the plurality of first island regions include a column of first sub-island regions, a column of second sub-island regions, and a column of third sub-island regions, and the first sub-island regions, the second sub-island regions, and the third sub-island regions gradually approach 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 luminous signal driving circuit and a reset signal driving circuit.
Further, the first island region is in a circular structure or a square structure or an arbitrary polygonal structure; and/or the number of the groups of groups,
and in the first island regions in the same column, the first bridge regions between two adjacent first island regions are in symmetrical structures.
In a second aspect, an embodiment of the present invention provides a stretchable display device, including the stretchable display panel described above.
The technical scheme provided by the embodiment of the invention can comprise 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 rising of the resistance value, and the problem of IR drop is solved; the first bridge area and the second bridge area are curved structures which are bent along two directions, the wiring width is met, the tensile property of the frame area is met at the same time, and the transition area forms buffer between the peripheral area and the display area to protect the display area from being damaged.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:
fig. 1 is a schematic plan view of a stretchable display panel according to an embodiment of the present invention;
FIG. 2 is a schematic plan view of a display area of a stretchable display panel according to an embodiment of the present invention;
FIG. 3 is a schematic diagram showing a structure in which a side frame region is connected to a display region in a stretchable display panel according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a stretchable display panel with a side frame area connected to a display area according to another embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection 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 can be expanded or contracted without damage.
Fig. 1 is a schematic plan view of a stretchable display panel according to an embodiment of the present invention. Referring to fig. 1, in a lateral direction (i.e., X-direction) of the stretchable display panel, the bezel area includes a first side bezel area 10 and a second side bezel area 11 located at both sides of the display area, respectively, the peripheral area includes a first peripheral sub-area 101 located at the first side bezel area 10 and a second peripheral sub-area 111 located at the second side bezel area 11, and the transition area includes a first transition sub-area 102 located at the first side bezel area 10 and a second transition sub-area 112 located at the second side bezel area 11; the bezel area further includes an upper bezel area 12 and a lower bezel area 13 in the longitudinal direction (i.e., Y direction) of the stretchable display panel. The first peripheral sub-area 101 and the second peripheral sub-area 111 are Gate On Array (GOA) layout areas, respectively.
In fig. 1, the first side frame region is located at the left side of the stretchable display panel, and the second side frame region is located at the right side of the stretchable display panel. However, the present invention is not limited thereto, and the first side frame region may be positioned at the right side of the stretchable display panel and the second side frame region may be positioned at the left side of the stretchable display panel.
Fig. 2 is a schematic plan view of a display area in a stretchable display panel according to an embodiment of the invention.
Referring to fig. 2, a plurality of pixel island regions 110 distributed in an array and spaced apart from each other, an opening region 120 disposed between adjacent pixel island regions 110, and a connection bridge 130 connecting the adjacent pixel island regions 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 region 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 or the like for driving the pixels may also be provided on the pixel island 110.
The connection bridge 130 may connect two pixel island regions 110 adjacent to each other, a wiring connected to a pixel within the pixel island region 110 may be disposed on the connection bridge 130, and the pixel on the pixel island region 110 may receive a driving signal, a power supply voltage, or the like from the wiring disposed on the connection bridge 130; the open area 120 is formed between the pixel island areas 110, between the connection bridges 130, and between the pixel island areas 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 connected to four adjacent pixel islands 110 through four connection bridges 130, respectively. However, the present invention is not limited thereto, and the pixel island 110 may be connected to two, three, five or more adjacent pixel island 110 through the connection bridge 130.
In some exemplary embodiments, the open area 120 may be uppercase "H" shaped (e.g., barbell shaped). In addition, the shape of the open 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 polygonal 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 area 120 therein is changed, and the pixel island area 110 is substantially not deformed so as to be resistant to 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 side frame region is connected to a display region. Specifically, fig. 3 is a plan view of the area B in fig. 1.
Referring to fig. 1 and 3, the first side border region 10 includes a first peripheral sub-region 101 and a first transition sub-region 102; similarly, the structural design in the second side frame region 11 is identical to that of the first side frame region 10, and the second side frame region 11 and the first side frame region 10 are symmetrically disposed in the lateral direction of the stretchable display panel.
As shown in fig. 3, a plurality of first island regions 201 spaced apart from each other, first bridge regions 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 spaced apart from each other and a second bridge region 302 connected to the second island regions 301 are provided in the first transition sub-region 102;
the shapes of the first island 201, the second island 301 and the pixel island 110 are different from each other, the width of the first bridge 202 and the width of the second bridge 302 are larger than the width of the connection bridge 130, and the first bridge 203 and the second bridge 302 are curved structures curved in two directions.
The first bridge region 202 may be used for routing driving signal lines and the like, and the second bridge region 302 may be used for routing voltage signal lines and the like.
In this embodiment, 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, so that the wiring width in the frame region is satisfied, and the impedance increase caused by excessively narrow and excessively long first bridge region 202 and second bridge region 302 is effectively avoided, thereby overcoming the problem of IR drop increase; in addition, the first bridge region 202 has a curved structure curved along the X direction and the Y direction, and the second bridge region 302 has a curved structure curved along the X direction and the Y direction, so that the tensile property of the frame region is ensured, and the tensile property of the whole display panel is improved.
In some exemplary embodiments, the width of the first bridge region 202 gradually increases in a direction from the bezel region (referring to fig. 1 and 3, where the bezel region is the first side 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 island regions 201 includes a column of first sub-island regions 2011, a column of second sub-island regions 2012, and a column of third sub-island regions 2013, the first sub-island regions 2011, the second sub-island regions 2012, and the third sub-island regions 2013 gradually approaching the display region;
the first bridge region 202 includes a first sub-bridge region 2021 connected to the first sub-island region 2011, a second sub-bridge region 2022 connected to the second sub-island region 2012, and a third sub-bridge region 2023 connected to the third sub-island region 2013, the first sub-bridge region 2021 having a width smaller than that of the second sub-bridge region 2022, the second sub-bridge region 2022 having a width smaller than that of the third sub-bridge region 2023;
the first, second, and third sub-island regions 2011, 2012, and 2013 respectively lay a Gate signal driving circuit (Gate GOA), a light emitting 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 GOA is laid out on the first sub-island 2011, EM GOA is laid out on the second sub-island 2012, and Reset GOA is laid out on the third sub-island 2013.
The first sub-island 2011 is connected to the second sub-island 2012 by the first sub-bridge 2021 and the second sub-bridge 2022, and the second sub-island 2012 is connected to the third sub-island 2013 by the second sub-bridge 2022 and the third sub-bridge 2023; in the direction gradually approaching to the display area 100, the wiring width in the frame area is gradually increased, and the width of the corresponding first bridge area 202 is also gradually increased, so that the wiring requirement in the frame area is met, and the impedance increase caused by excessively narrow and excessively long first bridge area 202 is avoided, thereby avoiding the IR drop increase.
In some exemplary embodiments, the first bridge region 202 is in an S-shaped or arcuate configuration. Since the first bridge region 202 has a curved shape, the shape and/or size of the first hole region 203 may be changed when an external force is applied to the first side frame region, and the first bridge region 202 may be easily expanded or contracted, so that the first side frame region may be stretch-deformed; also, when an external force acts on the second side frame, the second side frame is expanded or contracted with a change in the shape and/or size of the first hole region therein, so that the second side frame region may be stretch-deformed.
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 S-shaped structures.
In some exemplary embodiments, at least two first bridge regions 202 are connected to each first island region 201, and at least two first bridge regions 202 connected to the first island region 201 are distributed in central symmetry with respect to the first island region 201. That is, the first island 201 is connected with at least two first bridge regions 202, each first island 201 may be connected with an adjacent first island 201 through a first bridge region 202, and the first bridge regions 202 connected with the first island 201 are distributed in a central symmetry manner, so that the design of the first island 201 and the second bridge region 202 is facilitated.
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 distributed in a windmill shape. The distribution design of the first islands 201 and the first bridge regions 202 is facilitated, and each first island 201 is connected to four adjacent first islands 201.
In some exemplary embodiments, the plurality of first islands 201, the plurality of second islands 301 are each distributed in an array;
in the longitudinal direction of the stretchable display panel, the number of rows of the second island 301 is the same as and corresponds to the number of rows of the pixel island 110, the number of rows of the first island 201 is half of the number of rows of the pixel island 110, and the positions of the first island 201 correspond to the positions between two adjacent rows of the pixel island 110 one by one;
the width of the first island region 201 and the first bridge region 202 connected to the first island region 201 in the lateral direction of the stretchable display panel is the same as the width of the adjacent two pixel island regions 110.
That is, in the X direction, the width spanned by 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) is the same as the width spanned by the adjacent two pixel island regions 110; in the Y direction, the first island 201 and the first bridge region 202 connected to the first island (e.g., the second sub-island 2012 and the first sub-bridge region 2022 connected to the second sub-island 2012) span the same width as the adjacent two pixel island 110. The corresponding relation among the first island region, the second island region and the pixel island region is convenient for connecting the wiring in the frame region with the wiring in the connecting bridge region in the display region.
In some exemplary embodiments, a column of second islands 301 is provided within each of the first transition subregion 102 and the second transition subregion 112;
in the first side border region 10, the first island region 201 in the first peripheral subregion 101 immediately adjacent to the first transition subregion 102 is connected to the second island region 301 of the adjacent parity row in the first transition subregion 102; likewise, in the second side border region 11, the first island 201 in the second peripheral sub-region 111 immediately adjacent to the second transition sub-region 112 is connected to the second island 301 of the adjacent parity 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 parity row, and the second bridge regions 302 connected to the second island regions 301 of the adjacent parity row are combined and then 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 second island region 301 of the corresponding adjacent parity row, and the second bridge regions connected to the second island regions 301 of the adjacent parity row are combined and then connected to one third sub-bridge region connected to the third sub-island region 2013. For example, in the first frame region 10, the second frame region 11, the second island region 301 located in the first row and the second island region 301 located in the second row are connected to the third sub-island region 2013 located in the first row, the second island region 301 located in the third row and the second island region 301 located in the fourth row are connected to the third sub-island region 2013 located in the second row, and so on, bridging between the third sub-island region and the second island region is achieved. 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 is in 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 is convenient for the design of the first bridge region 202. Of course, the present invention is not limited thereto, and other regular patterns, such as pentagonal structures, hexagonal structures, etc., may be used.
In some exemplary embodiments, the first bridge regions 202 between two adjacent first island regions 201 are in a symmetrical structure in the first island regions 201 in the same column.
In the stretchable display panel provided in this embodiment, the AA area has two symmetrical parts in the lateral direction, 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; the driving signal line and the voltage signal line in the second frame area are connected with the right AA area. In the pixel island regions of each row, the pixel island regions on the left side of the broken line D are connected by a connecting bridge, and the pixel island regions on the right side of the broken line D are connected by a connecting bridge.
Fig. 4 is a schematic structural diagram of a stretchable display panel according to another embodiment of the present invention, in which a side frame area is connected to a display area. Specifically, fig. 4 is another plan view of the area B in fig. 1.
Referring to fig. 1 and 4, in the first side border region 10, the first island region 201 in the first peripheral subregion 101 immediately adjacent to the first transition subregion 102 is connected to the corresponding odd-numbered row of second island regions 301 in the first transition subregion 102;
in the second side border region 11, the first island regions 201 in the second peripheral sub-region 111 immediately adjacent to the second transition sub-region 112 are connected to the corresponding even rows of second island regions 301 in the second transition sub-region 112.
For example, the pixel island regions located in one row are bridged by a connecting bridge; a third sub-island region positioned in the first row and a second island region positioned in the first row in the first side frame region are bridged, a third sub-island region positioned in the second row is bridged with a second island region positioned in the third row, and the like, and drive signals and voltage signals are provided for the pixel island regions in the odd rows; and a third sub-island region positioned in the first row and a second island region positioned in the second row in the second side frame region are bridged, the third sub-island region positioned in the second row is bridged with the second island region positioned in the fourth row, and the like, so as to provide driving signals and voltage signals for the even-numbered row pixel island regions. The number of rows of the third sub-island is half the number of rows of the second island.
However, the present invention is not limited thereto, and if the first side frame region is on the right side and the second side frame region is on the left side in the stretchable display panel, 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 regions in the second peripheral sub-region, which are close to the second transition sub-region, are connected with the corresponding odd-numbered rows of 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 can refer to the previous embodiment, and will not be described herein.
Based on the same inventive concept, an embodiment of the present invention provides a stretchable display device including the above stretchable display panel.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
The present invention employs first, second, etc. to describe various information, but such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, a first message may also be referred to as a second message, and similarly, a second message may also be referred to as a first message, without departing from the scope of the invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, or can be communicated inside the two components, or can be connected wirelessly or in a wired way. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The above description is only illustrative of the preferred embodiments of the present invention and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the invention referred to in the present invention is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present invention (but not limited to) having similar functions are replaced with each other.
Claims (9)
1. The stretchable display panel is characterized by comprising 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 display area is internally provided with a plurality of pixel island areas which are distributed in an array and are separated from each other, an open area arranged between the adjacent pixel island areas and a connecting bridge for connecting the adjacent pixel island areas;
a plurality of first island regions which are separated from each other, first hole regions which are arranged between adjacent first island regions and first bridge regions which are connected with the first island regions are arranged in the peripheral region;
a plurality of second island regions which are separated from each other, second hole regions which are arranged between adjacent second island regions and second bridge regions which are connected with the second island regions are arranged in the transition region;
the shapes of the first hole area, the second hole area and the pixel island area are different from each other, the width of the first bridge area and the width of the second bridge area are larger than the width of the connecting bridge, and the first bridge area and the second bridge area are of curve-shaped structures which are bent along two directions;
the width of the first bridge region gradually increases along the direction from the frame region to the display region, and the width of the first bridge region is 30-200 μm.
2. The stretchable display panel according to claim 1, wherein the first bridge region has an S-shaped structure or an arc-shaped structure.
3. The stretchable display panel according to claim 2, wherein at least two first bridge regions are connected to each of the first island regions, and wherein at least two first bridge regions connected to the first island regions are distributed in a central symmetry with respect to the first island regions.
4. A stretchable display panel according to claim 3, wherein four first bridge regions are connected to each of the first island regions, and the four first bridge regions connected to the first island regions are distributed in a windmill shape.
5. The stretchable display panel according to claim 1, wherein the plurality of first islands and the plurality of second islands are each distributed in an array;
in the longitudinal direction of the stretchable display panel, the number of rows of the second island region is the same as the number of rows of the pixel island region and corresponds to each other one by one, the number of rows of the first island region is half of the number of rows of the pixel island region, and the position of the first island region corresponds to the position between two adjacent rows of the pixel island regions one by one;
in the lateral direction of the stretchable display panel, the width of the first island region and the first bridge region connected with the first island region is the same as the width of the adjacent two pixel island regions.
6. The stretchable display panel according to claim 5, wherein in a lateral direction of the stretchable display panel, the bezel area comprises a first side bezel area and a second side bezel area located at both sides of the display area, respectively, the peripheral area comprises a first peripheral sub-area located at the first side bezel area and a second peripheral sub-area located at the second side bezel area, the transition area comprises a first transition sub-area located at the first side bezel area and a second transition sub-area located at the second side bezel area, respectively, a row of the second island areas is provided within the first transition sub-area and the second transition sub-area, respectively,
a first island region in the first peripheral subarea, which is adjacent to the first transition subarea, is connected with a second island region of an adjacent odd-even row in the first transition subarea in the first side border area; in the second side frame region, a first island region in the second peripheral subarea, which is adjacent to the second transition subarea, is connected with a second island region of an adjacent odd-even row in the second transition subarea; 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 second island region in an even number row in the second transition sub-region.
7. The stretchable display panel according to claim 1, wherein the plurality of first island regions comprises 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 regions, the second sub-island regions, and the third sub-island regions being gradually 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 luminous signal driving circuit and a reset signal driving circuit.
8. The stretchable display panel according to any of claims 1-7, wherein the first island region has a circular structure or a square structure or an arbitrary polygonal structure; and/or the number of the groups of groups,
and in the first island regions in the same column, the first bridge regions between two adjacent first island regions are in symmetrical structures.
9. A stretchable display device, comprising: a stretchable display panel according to any of the preceding claims 1-8.
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