Display panel, driving method of display panel, and display device

Abstract

This application relates to a display panel, a driving method for the display panel, and a display device. The display panel includes: a pixel circuit disposed on a flexible substrate, the pixel circuit including: multiple rows of sub-pixel units, each sub-pixel unit including: multiple display light-emitting modules and a first brightness compensation light-emitting module, all display light-emitting modules in the same sub-pixel unit having the same color; a driving circuit disposed on the flexible substrate, the driving circuit being used to drive the display light-emitting modules to emit light during a display period to display image information; to drive the first brightness compensation light-emitting module to emit light of a first brightness when the display panel is not in a stretched state and is in a display period; and to drive the first brightness compensation light-emitting module to emit light of a second brightness, the second brightness being greater than the first brightness, when the display panel is in a stretched state and is in a display period. This display panel solves the problem of brightness decrease in existing stretchable displays when they are in a stretched state.

Description

Technical Field

[0001] This application relates to the field of display technology, and in particular to a display panel, a driving method for the display panel, and a display device. Background Technology

[0002] Stretchable displays are a revolutionary display technology. Their core characteristic is their ability to undergo significant elastic deformation (stretching, bending, and twisting) while maintaining their display function during or after deformation. This is fundamentally different from traditional rigid displays and mainstream flexible displays (which can only bend). However, when a stretchable display is stretched, its physical area increases while the total number of pixels remains the same, leading to a decrease in the number of pixels per inch. This, in turn, results in a decrease in overall brightness. Furthermore, the surface deformation of the stretchable display during stretching affects the light emission efficiency of the pixels, causing localized or overall brightness reductions. Summary of the Invention

[0003] This application provides a display panel, a driving method for the display panel, and a display device to solve the problem of brightness reduction in existing stretchable displays when they are in a stretched state.

[0004] In a first aspect, this application provides a display panel, the display panel comprising: a pixel circuit disposed on a flexible substrate, the pixel circuit comprising: multiple rows of sub-pixel units, the sub-pixel unit comprising: a plurality of display light-emitting modules and a first brightness compensation light-emitting module, wherein all display light-emitting modules in the same sub-pixel unit have the same color; a driving circuit disposed on the flexible substrate, the driving circuit being configured to drive the display light-emitting modules to emit light during a display period to display image information; being configured to drive the first brightness compensation light-emitting module to emit light of a first brightness when the display panel is not in a stretched state and is in the display period; and being configured to drive the first brightness compensation light-emitting module to emit light of a second brightness when the display panel is in the stretched state and is in the display period, wherein the second brightness is greater than the first brightness.

[0005] Optionally, the sub-pixel unit includes four display light-emitting modules. The sub-pixel unit is rhomboid in shape. The first brightness compensation light-emitting module is also rhomboid in shape. The center point of the first brightness compensation light-emitting module coincides with the center point of the sub-pixel unit. Each side of the first brightness compensation light-emitting module is parallel to the corresponding side of the sub-pixel unit. The four display light-emitting modules are respectively disposed on the upper left, upper right, lower left, and lower right sides of the first brightness compensation light-emitting module.

[0006] Optionally, the driving circuit is configured to, when the display panel is not in the stretched state and is in the display period, drive multiple different display light-emitting module combinations of the sub-pixel unit to emit light in turn in multiple consecutive frame cycles, with each frame cycle as the unit. Each frame cycle in the multiple frame cycles corresponds to one display light-emitting module combination of the sub-pixel unit. Each display light-emitting module combination consists of a preset number of display light-emitting modules from the four display light-emitting modules in the sub-pixel unit, and the preset number is less than four.

[0007] Optionally, the pixel circuit further includes: multiple scan line groups and multiple data line groups, each scan line group corresponding to a row of sub-pixel units, and each data line group corresponding to a column of sub-pixel units. Each scan line group includes: two first scan lines and a second scan line. One first scan line in the scan line group is connected to the upper left and upper right display light-emitting modules in the corresponding sub-pixel unit. The upper left display light-emitting module is the display light-emitting module located to the upper left of the first brightness compensation light-emitting module in the sub-pixel unit, and the upper right display light-emitting module is the display light-emitting module located to the upper right of the first brightness compensation light-emitting module in the sub-pixel unit. Another first scan line in the line group is connected to the lower left and lower right display light-emitting modules in the corresponding sub-pixel unit. The lower left display light-emitting module is the display light-emitting module on the lower left side of the first brightness compensation light-emitting module in the sub-pixel unit, and the lower right display light-emitting module is the display light-emitting module on the lower right side of the first brightness compensation light-emitting module in the sub-pixel unit. The second scan line in the scan line group is connected to the first brightness compensation light-emitting module in the corresponding sub-pixel unit. The data line group includes two first data lines and a second data line. One of the first data lines in the data line group is connected to the upper left and lower left display light-emitting modules in the corresponding sub-pixel unit. The display light-emitting module is connected, and another first data line in the data line group is connected to the upper right and lower right display light-emitting modules in the corresponding sub-pixel unit. The second data line in the data line group is connected to the first brightness compensation light-emitting module in the corresponding sub-pixel unit. The driving circuit is configured to: when the display panel is not in the stretched state and is in the display period, for each sub-pixel unit, in the consecutive multiple frame cycles, output scan signals in turn to the first scan lines connected to the display light-emitting modules of the sub-pixel unit, in unit of frame cycles. When the display panel is in the stretched state and during the display period, for each sub-pixel unit, a scan signal is output to the two first scan lines and the second scan line in the scan line group corresponding to the sub-pixel unit in each frame period, and a data voltage signal is output to the two first data lines and the second data line in the data line group corresponding to the sub-pixel unit, so as to drive all the display light-emitting modules and the first brightness compensation light-emitting module in the sub-pixel unit to emit light.

[0008] Optionally, the pixel circuit further includes: multiple row control circuits, each row control circuit corresponding to one of the scan line groups. Each row control circuit includes: two first switch modules, a second switch module, and a first node. The first switch modules in the row control circuit correspond one-to-one with the first scan lines in the corresponding scan line groups. The first end of each first switch module is connected to the corresponding first scan line. The first end of each second switch module in the row control circuit is connected to the second scan line in the corresponding scan line group. The second ends of both first switch modules and the second switch module in the row control circuit are connected to the first node in the row control circuit. Multiple column control circuits... Each column control circuit corresponds to one of the data line groups. Each column control circuit includes two third switch modules, a fourth switch module, and a second node. The third switch modules in the column control circuit correspond one-to-one with the first data lines in the corresponding data line groups. The first end of each third switch module is connected to the corresponding first data line. The first end of each fourth switch module in the column control circuit is connected to the second data line in the corresponding data line group. The second ends of both third switch modules and the second end of the fourth switch module in the column control circuit are both connected to the second node in the column control circuit. The driving circuit is used to: when the display panel is not in the stretched state and... During the display period, for each sub-pixel unit, in each of the consecutive multiple frame cycles, a scan signal is output to the first node of the row control circuit corresponding to the sub-pixel unit, and a data voltage signal is output to the second node of the column control circuit corresponding to the sub-pixel unit. In the consecutive multiple frame cycles, on a frame cycle basis, an enable signal is output in turn to the controlled terminal of the first switch module corresponding to the first scan line connected to each display light-emitting module combination of the sub-pixel unit. And when an enable signal is output to the controlled terminal of the first switch module corresponding to the first scan line connected to the display light-emitting module combination, an enable signal is output to the first data switch module connected to the first scan line connected to the display light-emitting module combination. The controlled terminal of the third switch module corresponding to the line outputs an enable signal; when the display panel is in the stretched state and in the display period, for each sub-pixel unit, in each frame period, a scan signal is output to the first node in the row control circuit corresponding to the sub-pixel unit, and a data voltage signal is output to the second node in the column control circuit corresponding to the sub-pixel unit, and an enable signal is output to the controlled terminals of the two first switch modules and the controlled terminal of the second switch module in the row control circuit corresponding to the sub-pixel unit, and an enable signal is output to the controlled terminals of the two third switch modules and the controlled terminal of the fourth switch module in the column control circuit corresponding to the sub-pixel unit.

[0009] Optionally, the consecutive multiple frame periods include: a first frame, a second frame, a third frame, and a fourth frame. The driving circuit is configured to: for each sub-pixel unit, in the first frame, output a scan signal to the first node of the row control circuit corresponding to the sub-pixel unit, output a data voltage signal to the second node of the column control circuit corresponding to the sub-pixel unit, send an enable signal to the controlled terminal of the first switch module corresponding to the first scan line connected to the first target combination, and send an enable signal to the controlled terminal of the third switch module corresponding to the first data line connected to the first target combination, wherein the first target combination includes the upper left display light-emitting module and the lower left display light-emitting module in the sub-pixel unit; for each sub-pixel unit, in the second frame, output a scan signal to the first node of the row control circuit corresponding to the sub-pixel unit, output a data voltage signal to the second node of the column control circuit corresponding to the sub-pixel unit, send an enable signal to the controlled terminal of the first switch module corresponding to the first scan line connected to the second target combination, and send an enable signal to the controlled terminal of the third switch module corresponding to the first data line connected to the second target combination, wherein the second target combination includes the sub-pixel unit. The sub-pixel unit comprises a top-left and a top-right light-emitting module. For each sub-pixel unit, in the third frame, a scan signal is output to the first node of the row control circuit corresponding to the sub-pixel unit, a data voltage signal is output to the second node of the column control circuit corresponding to the sub-pixel unit, an enable signal is sent to the controlled terminal of the first switch module corresponding to the first scan line connected to the third target combination, and an enable signal is sent to the controlled terminal of the third switch module corresponding to the first data line connected to the third target combination. The third target combination includes the top-right and bottom-right light-emitting modules in the sub-pixel unit. For each sub-pixel unit, in the fourth frame, a scan signal is output to the first node of the row control circuit corresponding to the sub-pixel unit, a data voltage signal is output to the second node of the column control circuit corresponding to the sub-pixel unit, an enable signal is sent to the controlled terminal of the first switch module corresponding to the first scan line connected to the fourth target combination, and an enable signal is sent to the controlled terminal of the third switch module corresponding to the first data line connected to the fourth target combination. The fourth target combination includes the bottom-right and bottom-left light-emitting modules in the sub-pixel unit.

[0010] Optionally, the sub-pixel unit includes: a plurality of second brightness compensation light-emitting modules, each second brightness compensation light-emitting module being located in the gap area between two adjacent display light-emitting modules in the sub-pixel unit, wherein when the display panel is not in the stretched state, the second brightness compensation light-emitting module is blocked by the sides of the two adjacent display light-emitting modules; the scan line group further includes: two third scan lines, and the data line group further includes: two third data lines, wherein the two third scan lines in the scan line group are both connected to the first end of the second switch module in the corresponding row control circuit, and one third scan line in the scan line group is connected to the upper left display light-emitting module and the upper right display light-emitting module in the corresponding sub-pixel unit. The second brightness compensation light-emitting module is connected between the light modules. Another third scan line in the scan line group is connected to the second brightness compensation light-emitting module between the lower left and lower right display light-emitting modules in the corresponding sub-pixel unit. Both third data lines in the data line group are connected to the first end of the fourth switch module in the corresponding column control circuit. One second data line in the data line group is connected to the second brightness compensation light-emitting module between the upper left and lower left display light-emitting modules in the corresponding sub-pixel unit. The other third data line in the data line group is connected to the second brightness compensation light-emitting module between the upper right and lower right display light-emitting modules in the corresponding sub-pixel unit.

[0011] Optionally, the driving circuit is used to adjust the brightness of the first brightness compensation light-emitting module of the curved region based on the curvature of the curved region of the display panel, wherein the brightness of the first brightness compensation light-emitting module of the curved region is positively correlated with the curvature of the curved region.

[0012] Optionally, when the display panel is not in the stretched state and displays a diagonal image, the frame refresh rate of the consecutive multiple frame cycles is greater than the critical fusion frequency.

[0013] Secondly, this application provides a driving method for a display panel, the method being applied to any of the aforementioned display panels, the method comprising: detecting whether the display panel is in a stretched state and detecting whether the display panel is in a display period; driving the display light-emitting module to emit light during the display period to display image information; driving the first brightness compensation light-emitting module to emit light of a first brightness when the display panel is not in a stretched state and is in the display period; and driving the first brightness compensation light-emitting module to emit light of a second brightness when the display panel is in the stretched state and is in the display period, wherein the second brightness is greater than the first brightness.

[0014] Thirdly, this application provides a display device, the display device comprising: any of the display panels described above.

[0015] In the embodiments of this application, multiple display light-emitting modules and a first brightness compensation light-emitting module are provided in the sub-pixel unit. During the display period, the display light-emitting modules are driven to emit light to display image information. When the display panel is not in a stretched state and is in the display period, the first brightness compensation light-emitting module is driven to emit light of a first brightness. When the display panel is in a stretched state and is in the display period, the first brightness compensation light-emitting module is driven to emit light of a second brightness. The second brightness is greater than the first brightness to reduce the brightness attenuation caused by stretching, thereby solving the problem of brightness decrease when the stretchable display is in a stretched state in the prior art. Attached Figure Description

[0016] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, those skilled in the art can obtain other drawings based on these drawings without creative effort.

[0018] One or more embodiments are illustrated by way of example with reference numerals in the accompanying drawings. These illustrations do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings are denoted as similar elements. Unless otherwise stated, the figures in the drawings are not to be limited by scale.

[0019] Figure 1 A top view structural block diagram of a first type of display panel provided in an embodiment of this application; Figure 2 A top view structural block diagram of a sub-pixel unit provided in an embodiment of this application; Figure 3 A top view structural block diagram of a pixel unit provided in an embodiment of this application; Figure 4 A top view structural block diagram of a second type of display panel provided in an embodiment of this application; Figure 5 A schematic diagram of a first type of row control circuit provided in an embodiment of this application; Figure 6 A schematic diagram of a first type of column control circuit provided in an embodiment of this application; Figure 7(a) is a first side view of the second brightness compensation module provided in an embodiment of this application; Figure 7(b) is a second side view of the second brightness compensation module provided in an embodiment of this application; Figure 7(c) is a top view structural block diagram of the third type of display panel provided in the embodiment of this application; Figure 8 A schematic diagram of a second type of row control circuit provided in an embodiment of this application; Figure 9 A schematic diagram of a second type of column control circuit provided in an embodiment of this application; Figure 10(a) is a top view of a sub-pixel unit when displaying diagonal lines in the prior art; Figure 10(b) is a top view of the sub-pixel unit when displaying diagonal lines according to an embodiment of this application; Figure 10(c) is a top view of the sub-pixel unit when displaying diagonal lines according to an embodiment of this application; The attached diagram is described below: 1. Pixel circuit; 10. Pixel unit; 100. Sub-pixel unit; 1001. Display light-emitting module; 1002. First brightness compensation light-emitting module; 1003. Second brightness compensation light-emitting module; 11. Scan line group; 12. Data line group; 13. Row control circuit; 130. First switch module; 131. Second switch module; 14. Column control circuit; 140. Third switch module; 141. Fourth switch module; 2. Driving circuit; 20. Gate driving circuit; 21. Source driving circuit. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0021] The following disclosure provides numerous different embodiments or examples for implementing various structures of the invention. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of the invention. Furthermore, reference numerals and / or letters may be repeated in different examples. Such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed.

[0022] To address the technical problem of decreased brightness in existing stretchable displays when they are in a stretched state, this application provides a display panel, a driving method for the display panel, and a display device, which can solve the problem of decreased brightness in existing stretchable displays when they are in a stretched state.

[0023] Figure 1 A display panel provided in an embodiment of this application, such as Figure 1As shown, the above display panel includes: A pixel circuit 1 disposed on a flexible substrate includes: a multi-row sub-pixel unit 100, wherein the sub-pixel unit 100 includes: a plurality of display light-emitting modules 1001 and a first brightness compensation light-emitting module 1002, and all display light-emitting modules 1001 in the same sub-pixel unit 100 have the same color. Specifically, Figure 1 In the diagram, R represents red, G represents green, and B represents blue. The display light-emitting module 1001 marked with R emits red light, the display light-emitting module 1001 marked with G emits green light, and the display light-emitting module 1001 marked with B emits blue light.

[0024] The driving circuit 2 disposed on the flexible substrate is used to drive the display light-emitting module 1001 to emit light during the display period to display image information; to drive the first brightness compensation light-emitting module 1002 to emit light of a first brightness when the display panel is not in the stretched state and is in the display period; and to drive the first brightness compensation light-emitting module 1002 to emit light of a second brightness when the display panel is in the stretched state and is in the display period, wherein the second brightness is greater than the first brightness.

[0025] Specific, exemplary, Figure 1 In the diagram, W represents white. The first brightness compensation light-emitting module 1002 emits white light, and the color of the light emitted by the first brightness compensation light-emitting module 1002 can also be the same as the color of the light emitted by the display light-emitting module 1001 in the sub-pixel unit 100.

[0026] Specifically, for example, the first brightness can be 0, that is, when the display panel is not in a stretched state and is in the display period, the first brightness compensation light-emitting module does not emit light.

[0027] Through the above embodiments, multiple display light-emitting modules and a first brightness compensation light-emitting module are set in the sub-pixel unit. During the display period, the display light-emitting modules are driven to emit light to display image information. When the display panel is not in a stretched state and is in the display period, the first brightness compensation light-emitting module is driven to emit light of a first brightness. When the display panel is in a stretched state and is in the display period, the first brightness compensation light-emitting module is driven to emit light of a second brightness. The second brightness is greater than the first brightness to reduce the brightness attenuation caused by stretching, thereby solving the problem of brightness decrease when the stretchable display is in a stretched state in the prior art.

[0028] In one alternative embodiment, such as Figure 1 and Figure 2As shown, the sub-pixel unit 100 includes four display light-emitting modules 1001. The sub-pixel unit 100 is rhomboid in shape. The first brightness compensation light-emitting module 1002 is also rhomboid in shape. The center point of the first brightness compensation light-emitting module 1002 coincides with the center point of the sub-pixel unit 100. Each side of the first brightness compensation light-emitting module 1002 is parallel to the corresponding side of the sub-pixel unit 100. The four display light-emitting modules 1001 are respectively disposed on the upper left, upper right, lower left, and lower right sides of the first brightness compensation light-emitting module 1002.

[0029] Specifically, Figure 1 and Figure 3 In the diagram, R represents red, G represents green, and B represents blue, such as... Figure 1 and Figure 3 As shown, each pixel unit 10 consists of three sub-pixel units 100 of the same color. Figure 3 An example is given of an arrangement of the three sub-pixel units 100 in the pixel unit 10. The arrangement of the three sub-pixel units 100 in the pixel unit 10 can also be other arrangements such as a diagonal arrangement, depending on the actual driving requirements.

[0030] Specifically, and exemplarily, in existing display panels, the sub-pixel unit includes only one light-emitting module, and the light-emitting module is generally square. The light-emitting modules in the display panel are distributed vertically and horizontally; therefore, only vertical and horizontal stretching can be achieved. Figure 1 and Figure 2As shown in this application, the top surface of the sub-pixel unit 100 has a rhombus-shaped outline. The sub-pixel unit 100 includes four display light-emitting modules 1001 and one first brightness compensation light-emitting module 1002. The top surface of the display light-emitting modules 1001 is trapezoidal, and the top surface of the first brightness compensation light-emitting module 1002 is rhombus-shaped. The four display light-emitting modules 1001 are respectively disposed on the upper left, upper right, lower left, and lower right sides of the first brightness compensation light-emitting module 1002. The display light-emitting modules 1001 on the upper left and lower left sides of the first brightness compensation light-emitting module 1002 are arranged vertically. The display light-emitting modules 1001 on the upper right and lower right sides of the first brightness compensation light-emitting module 1002 are also arranged vertically. The display light-emitting modules 1001 on the upper left and upper right sides of the first brightness compensation light-emitting module 1002 are arranged vertically. The display light-emitting modules 1001 are arranged horizontally. The lower left and lower right display light-emitting modules 1001 of the first brightness compensation light-emitting module 1002 are arranged horizontally. The upper left, upper right, and lower right display light-emitting modules 1001, upper right, and lower left display light-emitting modules 1002 are arranged diagonally. Therefore, the display panel of this application can achieve not only vertical and horizontal stretching, but also diagonal stretching. When the display panel of this application is stretched vertically, horizontally, and diagonally simultaneously, the stretching effect is as follows: Figure 4 As shown, the sub-pixel unit 100 presents an overall star-shaped effect.

[0031] Specifically, the sub-pixel units in the prior art are square, while the sub-pixel units in this application are rhomboid. Compared to the square sub-pixel units in the prior art, the rhomboid sub-pixel units in this application have better geometric adaptability when conforming to irregular surfaces such as human body curves and bag surfaces. Although the display panels in the prior art can be bent, their sub-pixel unit arrays are usually still based on a rectangular grid design. When conforming to complex curved surfaces (such as human shoulders, elbows, and bag corners), the rectangular grid will produce geometric mismatch, resulting in uneven spacing between sub-pixel units across the curved surface, which in turn causes local stress concentration or display distortion. In contrast, the rhomboid sub-pixel unit array in this application, when stretched in any direction, distributes strain energy more evenly to the horizontal and vertical components. From a mathematical perspective, Analysis shows that the projection of the strain tensor of the rhombic mesh onto the main direction at 45° is consistent with the main direction. Therefore, regardless of the stretching direction, the shape change rate of the sub-pixel unit is relatively uniform. This means that when fitting a curved surface, the rhombic pixels can maintain a relatively consistent shape ratio regardless of the surface normal, thereby reducing display distortion. In addition, the rhombic sub-pixel unit is naturally adapted to oblique stretching. Its edge direction is at 45° with the horizontal / vertical direction, and it itself has an oblique geometric axis. When subjected to oblique tension (such as the diagonal strain generated by the twisting of an arm), the rhombic unit can deform directly along its diagonal direction, rather than responding indirectly through a stepped manner like the rectangular mesh. This direct adaptation makes the strain transmission path shorter and more efficient, thereby reducing local stress concentration and improving the service life of the display panel.

[0032] In an optional embodiment, the driving circuit is used to drive multiple different display light-emitting module combinations of the sub-pixel unit to emit light in turn in a series of consecutive frame cycles when the display panel is not in the stretched state and is in the display period. Each frame cycle in the series of frame cycles corresponds to one display light-emitting module combination of the sub-pixel unit. Each display light-emitting module combination consists of a preset number of display light-emitting modules out of the four display light-emitting modules in the sub-pixel unit. The preset number is less than four.

[0033] Specifically, compared to driving all display light-emitting modules in a sub-pixel unit to emit light simultaneously in each frame cycle, in this application, for a sub-pixel unit, different combinations of display light-emitting modules in the sub-pixel unit are driven to emit light in different frame cycles over multiple consecutive frame cycles. This means that each display light-emitting module in the sub-pixel unit does not need to emit light in every frame cycle, but only in some frame cycles, thereby reducing the power consumption of the display light-emitting modules in the sub-pixel unit and thus improving the lifespan of the display light-emitting modules in the sub-pixel unit.

[0034] Specifically, for example, a series of consecutive frame cycles consists of the first, second, third, and fourth frames of a display period, such as... Figure 2 As shown, for each sub-pixel unit, one implementation method for driving multiple different display light-emitting modules of the sub-pixel unit to emit light in turn during multiple consecutive frame cycles is as follows: For each sub-pixel unit 100, in the first frame, the display light-emitting module 1001 on the lower left side of the first brightness compensation light-emitting module 1002 is driven to emit light; in the second frame, the display light-emitting module 1001 on the upper left side of the first brightness compensation light-emitting module 1002 is driven to emit light; in the third frame, the display light-emitting module 1001 on the upper right side of the first brightness compensation light-emitting module 1002 is driven to emit light; in the fourth frame, the display light-emitting module 1001 on the lower right side of the first brightness compensation light-emitting module 1002 is driven to emit light. For example, the first to fourth frames of the display period constitute a cyclical frame cycle sequence. Therefore, in the fifth frame, the display light-emitting module 1001 on the lower left side of the first brightness compensation light-emitting module 1002 is driven to emit light; in the sixth frame, the display light-emitting module 1001 on the upper left side of the first brightness compensation light-emitting module 1002 is driven to emit light, and so on. For example, as shown... Figure 2 As shown, another implementation method for driving multiple different display light-emitting modules of the sub-pixel unit to emit light in turn during multiple consecutive frame periods is as follows: In the first frame, the display light-emitting module 1001 on the lower left side of the first brightness compensation light-emitting module 1002 and the display light-emitting module 1001 on the upper left side of the first brightness compensation light-emitting module 1002 are driven to emit light; in the second frame, the display light-emitting module 1001 on the upper left side of the first brightness compensation light-emitting module 1002 and the display light-emitting module 1001 on the upper right side of the first brightness compensation light-emitting module 1002 are driven to emit light; in the third frame, the display light-emitting module 1001 on the upper right side of the first brightness compensation light-emitting module 1002 and the display light-emitting module 1001 on the lower right side of the first brightness compensation light-emitting module 1002 are driven to emit light; in the fourth frame, the display light-emitting module 1001 on the lower right side of the first brightness compensation light-emitting module 1002 and the display light-emitting module 1001 on the lower left side of the first brightness compensation light-emitting module 1002 are driven to emit light.

[0035] In one alternative embodiment, such as Figure 4 As shown, the pixel circuit 1 further includes: Multiple scan line groups 11 and multiple data line groups 12 are provided. Each scan line group 11 corresponds to a row of sub-pixel units 100, and each data line group 12 corresponds to a column of sub-pixel units 100. Each scan line group 11 includes two first scan lines L1 and two scan lines L2. One first scan line L1 in the scan line group 11 is connected to the upper left and upper right display light-emitting modules in the corresponding sub-pixel unit 100. The upper left display light-emitting module is the display light-emitting module on the upper left side of the first brightness compensation light-emitting module 1002 in the sub-pixel unit 100, and the upper right display light-emitting module is the display light-emitting module on the upper right side of the first brightness compensation light-emitting module 1002 in the sub-pixel unit 100. The other first scan line L1 in the scan line group 11 is connected to the lower left and lower right display light-emitting modules in the corresponding sub-pixel unit 100. The lower left display light-emitting module is the display light-emitting module on the upper right side of the first brightness compensation light-emitting module 1002 in the sub-pixel unit 100. The lower left display light-emitting module of the first brightness compensation light-emitting module 1002 in the pixel unit 100, and the lower right display light-emitting module are the lower right display light-emitting modules of the first brightness compensation light-emitting module 1002 in the sub-pixel unit 100. The second scan line L2 in the scan line group 11 is connected to the first brightness compensation light-emitting module 1002 in the corresponding sub-pixel unit 100. The data line group 12 includes two first data lines D1 and a second data line D2. One first data line D1 in the data line group 12 is connected to the upper left and lower left display light-emitting modules in the corresponding sub-pixel unit 100. The other first data line D1 in the data line group 12 is connected to the upper right and lower right display light-emitting modules in the corresponding sub-pixel unit 100. The second data line D2 in the data line group 12 is connected to the first brightness compensation light-emitting module 1002 in the corresponding sub-pixel unit 100. The aforementioned driving circuit 2 is used for: When the display panel is not in the stretched state and is in the display period, for each sub-pixel unit 100, in the above-mentioned multiple consecutive frame cycles, a scan signal is output to the first scan line L1 connected to each display light-emitting module combination of the sub-pixel unit 100 in turn, and when the scan signal is output to the first scan line L1 connected to the display light-emitting module combination, a data voltage signal is output to the first data line D1 connected to the display light-emitting module combination, so as to drive each display light-emitting module combination of the sub-pixel unit 100 to emit light in turn in the above-mentioned multiple consecutive frame cycles; Specifically, each frame period within the aforementioned consecutive multiple frame periods corresponds to a display light-emitting module combination of the aforementioned sub-pixel unit, and the display light-emitting module combinations corresponding to different frame periods within the aforementioned consecutive multiple frame periods are different.

[0036] Specifically, such as Figure 4 As shown, the driving circuit 2 includes a gate driving circuit 20 and a source driving circuit 21. When the display panel is not in the stretched state, for each sub-pixel unit 100, the gate driving circuit 20 is used to output a scan signal to the first scan line L1 connected to all the display light-emitting modules 1001 in each display light-emitting module combination of the sub-pixel unit 100 in turn during the continuous multiple frame periods. The source driving circuit 21 is used to output a data voltage signal to the first data line D1 connected to all the display light-emitting modules 1001 in the display light-emitting module combination when outputting the scan signal to the first scan line L1 connected to all the display light-emitting modules 1001 in the display light-emitting module combination, so as to drive each display light-emitting module combination of the sub-pixel unit 100 to emit light in turn during the continuous multiple frame periods.

[0037] When the display panel is in the stretched state and during the display period, for each sub-pixel unit 100, in each frame cycle, a scan signal is output to the two first scan lines L1 and the second scan line L2 in the scan line group 11 corresponding to the sub-pixel unit 100, and a data voltage signal is output to the two first data lines D1 and the second data lines D2 in the data line group 12 corresponding to the sub-pixel unit 100, so as to drive all the display light-emitting modules 1001 and the first brightness compensation light-emitting modules 1002 in the sub-pixel unit 100 to emit light.

[0038] Specifically, when the display panel is in the stretched state and during the display period, for each sub-pixel unit 100, in each frame cycle, the gate driving circuit 20 outputs scanning signals to the two first scan lines L1 and the second scan line L2 in the scan line group 11 corresponding to the sub-pixel unit 100, and the source driving circuit 21 outputs data voltage signals to the two first data lines D1 and the second data lines D2 in the data line group 12 corresponding to the sub-pixel unit 100, so as to drive all the display light-emitting modules 1001 and the first brightness compensation light-emitting modules 1002 in the sub-pixel unit 100 to emit light.

[0039] In one alternative embodiment, such as Figure 4 , Figure 5 and Figure 6 As shown, the pixel circuit 1 further includes: Multiple line control circuits 13 are provided, each of which corresponds to one of the scan line groups 11. Each line control circuit 13 includes two first switch modules 130, a second switch module 131, and a first node Lout. The first switch module 130 in the line control circuit 13 corresponds one-to-one with the first scan line L1 in the corresponding scan line group 11. The first end of the first switch module 130 is connected to the corresponding first scan line L1. The first end of the second switch module 131 in the line control circuit 13 is connected to the second scan line L2 in the corresponding scan line group 11. The second ends of the two first switch modules 130 and the second end of the second switch module 131 in the line control circuit 13 are all connected to the first node Lout in the line control circuit 13. Specifically, the first switching module 130 includes: a first thin-film transistor T1, which is an N-type thin-film transistor; a first terminal of the first switching module 130 is the drain of the first thin-film transistor T1; a second terminal of the first switching module 130 is the source of the first thin-film transistor T1; and a controlled terminal of the first switching module 130 is the gate of the first thin-film transistor T1. The second switching module 131 includes: a second thin-film transistor T2, which is an N-type thin-film transistor; a first terminal of the second switching module 131 is the drain of the second thin-film transistor T2; a second terminal of the second switching module 131 is the source of the second thin-film transistor T2; and a controlled terminal of the second switching module 131 is the gate of the second thin-film transistor T2.

[0040] Multiple column control circuits 14, each column control circuit 14 corresponding to one of the data line groups 12, each column control circuit 14 including: two third switch modules 140, a fourth switch module 141, and a second node Dout. The third switch modules 140 in the column control circuit 14 correspond one-to-one with the first data line D1 in the corresponding data line group 12. The first end of the third switch module 140 is connected to the corresponding first data line D1. The first end of the fourth switch module 141 in the column control circuit 14 is connected to the second data line D2 in the corresponding data line group 12. The second ends of the two third switch modules 140 and the second end of the fourth switch module 141 in the column control circuit 14 are all connected to the second node Dout of the column control circuit 14. Specifically, the third switch module 140 includes a third thin-film transistor M1, which is an N-type thin-film transistor. The first terminal of the third switch module 140 is the drain of the third thin-film transistor M1, the second terminal of the third switch module 140 is the source of the third thin-film transistor M1, and the controlled terminal of the third switch module 140 is the gate of the third thin-film transistor M1. The fourth switch module 141 includes a fourth thin-film transistor M2, which is an N-type thin-film transistor. The first terminal of the fourth switch module 141 is the drain of the fourth thin-film transistor M2, the second terminal of the fourth switch module 141 is the source of the fourth thin-film transistor M2, and the controlled terminal of the fourth switch module 141 is the gate of the fourth thin-film transistor M2.

[0041] The aforementioned driving circuit 2 is used for: When the display panel is not in the stretched state and is in the display period, for each sub-pixel unit 100, in each of the consecutive multiple frame cycles, a scan signal is output to the first node Lout of the corresponding row control circuit 13, and a data voltage signal is output to the second node Dout of the corresponding column control circuit 14. In the consecutive multiple frame cycles, in units of frame cycles, an enable signal is output to the controlled terminal of the first switch module 130 corresponding to the first scan line L1 connected to each display light-emitting module combination of the sub-pixel unit 100 in turn. When an enable signal is output to the controlled terminal of the first switch module 130 corresponding to the first scan line L1 connected to the display light-emitting module combination, an enable signal is output to the controlled terminal of the third switch module 140 corresponding to the first data line D1 connected to the display light-emitting module combination. Specifically, each frame period within the aforementioned consecutive multiple frame periods corresponds to a display light-emitting module combination of the aforementioned sub-pixel unit, and the display light-emitting module combinations corresponding to different frame periods within the aforementioned consecutive multiple frame periods are different.

[0042] Specifically, outputting an enable signal to the controlled terminal of the first switch module corresponding to the first scan line connected to each display light-emitting module combination of the aforementioned sub-pixel unit means outputting an enable signal to the controlled terminal of the first switch module corresponding to the first scan line connected to all the display light-emitting modules of each display light-emitting module combination of the aforementioned sub-pixel unit.

[0043] Specifically, outputting an enable signal to the controlled terminal of the third switch module corresponding to the first data line connected to the above-mentioned display light-emitting module assembly means outputting an enable signal to the controlled terminal of the third switch module corresponding to the first data line connected to all the display light-emitting modules in the above-mentioned display light-emitting module assembly.

[0044] Specifically, such as Figure 4 , Figure 5 and Figure 6 As shown, the driving circuit 2 includes a gate driving circuit 20 and a source driving circuit 21. When the display panel is not in the stretched state and is in the display period, for each sub-pixel unit 100, in each of the consecutive multiple frame cycles, the gate driving circuit 20 outputs a scan signal to the first node Lout of the row control circuit 13 corresponding to the sub-pixel unit 100 and outputs a data voltage signal to the second node Dout of the column control circuit 14 corresponding to the sub-pixel unit 100. In the consecutive multiple frame cycles, the gate driving circuit 20 outputs a scan signal to the sub-pixel unit 100 in turn, with the frame cycle as the unit. The first switch module 130 corresponding to the first scan line L1 connected to each display light-emitting module combination of unit 100 outputs an enable signal to the controlled terminal of the first switch module 130, so that the first scan line L1 connected to the display light-emitting module combination outputs a scan signal. The source drive circuit 21 is used to output an enable signal to the controlled terminal of the third switch module 140 corresponding to the first data line D1 connected to the display light-emitting module combination when it outputs an enable signal to the controlled terminal of the first switch module 130 corresponding to the first scan line L1 connected to the display light-emitting module combination, so that the first data line D1 connected to the display light-emitting module combination outputs a data voltage signal.

[0045] Specifically, the first thin-film transistor T1 of the first switch module 130 and the third thin-film transistor M1 of the third switch module 140 are both N-type thin-film transistors. Therefore, the turn-on signal is a high-level signal.

[0046] When the display panel is in the stretched state and during the display period, for each sub-pixel unit 100, in each frame period, a scan signal is output to the first node Lout in the row control circuit 13 corresponding to the sub-pixel unit 100, a data voltage signal is output to the second node Dout in the column control circuit 14 corresponding to the sub-pixel unit 100, an enable signal is output to the controlled terminals of the two first switch modules 130 and the controlled terminal of the second switch module 131 in the row control circuit 13 corresponding to the sub-pixel unit 100, and an enable signal is output to the controlled terminals of the two third switch modules 140 and the controlled terminal of the fourth switch module 141 in the column control circuit 14 corresponding to the sub-pixel unit 100.

[0047] Specifically, such as Figure 4 , Figure 5 and Figure 6As shown, the driving circuit 2 includes a gate driving circuit 20 and a source driving circuit 21. When the display panel is in a stretched state and during a display period, for each sub-pixel unit 100, in each frame period, the gate driving circuit 20 outputs a scan signal to the first node Lout in the row control circuit 13 corresponding to the sub-pixel unit 100, and the source driving circuit 21 outputs a data voltage signal to the second node Dout in the column control circuit 14 corresponding to the sub-pixel unit 100. The gate driving circuit 20 also outputs a data voltage signal to the controlled terminals of the two first switch modules 130 and the second switch module 130 in the row control circuit 13 corresponding to the sub-pixel unit 100. The controlled terminal of the switch module 131 outputs an enable signal. The source drive circuit 21 is used to output enable signals to the controlled terminals of the two third switch modules 140 and the controlled terminal of the fourth switch module 141 in the column control circuit 14 corresponding to the sub-pixel unit 100, so that the two first scan lines L1 and the second scan line L2 in the scan line group 11 corresponding to the sub-pixel unit 100 output scan signals, and the two first data lines D1 and the second data lines D2 in the data line group 12 corresponding to the sub-pixel unit 100 output data voltage signals to drive all the display light-emitting modules 1001 and the first brightness compensation light-emitting module 1002 in the sub-pixel unit 100 to emit light.

[0048] Specifically, such as Figure 5 As shown, a corresponding row control circuit 13 is set for each scan line group 11. The gate drive circuit 20 only needs to output a scan signal to the first node Lout in the row control circuit 13. By controlling whether the two first switch modules 130 and the second switch module 131 in the row control circuit 13 are turned on, the scan signal of the first node Lout is controlled to be output to the two first scan lines L1 and the second scan line L2 in the scan line group 11. This eliminates the need for the gate drive circuit 20 to output scan signals to the two first scan lines L1 and the second scan line L2 in the scan line group 11 separately, reducing the number of scan signal output channels of the gate drive circuit 20 and lowering the driving cost.

[0049] Specifically, such as Figure 5 As shown, a corresponding column control circuit 14 is set for each data line group 12. The source drive circuit 21 only needs to output a data voltage signal to the second node Dout in the column control circuit 14. By controlling whether the two third switch modules 140 and the fourth switch module 141 in the column control circuit 14 are turned on, the data voltage signal of the second node Dout is controlled to be output to the two first data lines D1 and the second data line D2 in the data line group 12. This eliminates the need for the source drive circuit 21 to output data voltage signals to the two first data lines D1 and the second data line D2 in the data line group 12 separately, reducing the number of data voltage signal output channels of the source drive circuit 21 and lowering the driving cost.

[0050] like Figure 4 As shown, the scan line group 11 includes two first scan lines L1 and a second scan line L2. One of the first scan lines L1 in the scan line group 11 is connected to the upper left and upper right display light-emitting modules in the corresponding sub-pixel unit 100. The other first scan line L1 in the scan line group 11 is connected to the lower left and lower right display light-emitting modules in the corresponding sub-pixel unit 100. The data line group 12 includes two first data lines D1 and a second data line D2. One of the first data lines D1 in the data line group 12 is connected to the upper left display light-emitting module in the corresponding sub-pixel unit 100. The light-emitting module and the lower left display light-emitting module are connected. Another first data line D1 in the data line group 12 is connected to the upper right and lower right display light-emitting modules in the corresponding sub-pixel unit 100. In this connection method, the number of display light-emitting modules in the display light-emitting module combination of the sub-pixel unit 100 can only be one or two. In this case, in an optional real-time mode, driving each display light-emitting module combination of the sub-pixel unit to emit light in turn during the aforementioned consecutive multiple frame periods can be implemented as follows: the aforementioned consecutive multiple frame periods include: the first frame, the second frame, the third frame, and the fourth frame, such as... Figure 4 , Figure 5 and Figure 6 As shown, the above driving circuit is used for: For each of the above-mentioned sub-pixel units 100, in the first frame, a scan signal is output to the first node Lout of the row control circuit 13 corresponding to the sub-pixel unit 100, a data voltage signal is output to the second node Dout of the column control circuit 14 corresponding to the sub-pixel unit 100, an enable signal is sent to the controlled terminal of the first switch module 130 corresponding to the first scan line L1 connected to the first target combination, and an enable signal is sent to the controlled terminal of the third switch module 140 corresponding to the first data line D1 connected to the first target combination. The first target combination includes the upper left display light-emitting module and the lower left display light-emitting module in the above-mentioned sub-pixel unit 100. For each of the above-mentioned sub-pixel units 100, in the second frame, a scan signal is output to the first node Lout of the row control circuit 13 corresponding to the sub-pixel unit 100, a data voltage signal is output to the second node Dout of the column control circuit 14 corresponding to the sub-pixel unit 100, an enable signal is sent to the controlled terminal of the first switch module 130 corresponding to the first scan line L1 connected to the second target combination, and an enable signal is sent to the controlled terminal of the third switch module 140 corresponding to the first data line D1 connected to the second target combination. The second target combination includes the upper left display light-emitting module and the upper right display light-emitting module in the above-mentioned sub-pixel unit 100. For each of the above-mentioned sub-pixel units 100, in the above-mentioned third frame, a scan signal is output to the first node Lout of the row control circuit 13 corresponding to the above-mentioned sub-pixel unit 100, a data voltage signal is output to the second node Dout of the column control circuit 14 corresponding to the above-mentioned sub-pixel unit 100, an enable signal is sent to the controlled terminal of the first switch module 130 corresponding to the first scan line L1 connected to the third target combination, and an enable signal is sent to the controlled terminal of the third switch module 140 corresponding to the first data line D1 connected to the third target combination. The above-mentioned third target combination includes the upper right display light-emitting module and the lower right display light-emitting module in the above-mentioned sub-pixel unit 100. For each of the above-mentioned sub-pixel units 100, in the above-mentioned fourth frame, a scan signal is output to the first node Lout of the row control circuit 13 corresponding to the above-mentioned sub-pixel unit 100, a data voltage signal is output to the second node Dout of the column control circuit 14 corresponding to the above-mentioned sub-pixel unit 100, an enable signal is sent to the controlled terminal of the first switch module 130 corresponding to the first scan line L1 connected to the fourth target combination, and an enable signal is sent to the controlled terminal of the third switch module 140 corresponding to the first data line D1 connected to the fourth target combination. The above-mentioned fourth target combination includes the lower right display light-emitting module and the lower left display light-emitting module in the above-mentioned sub-pixel unit 100.

[0051] Specifically, in an optional real-time mode, driving the combined illumination of each display light-emitting module of the sub-pixel unit in turn during the aforementioned consecutive frame cycles, with each frame cycle as a unit, can be implemented as follows: the aforementioned consecutive frame cycles include: a first frame and a second frame; in the first frame, driving the upper left and upper right display light-emitting modules of the sub-pixel unit to emit light; in the second frame, driving the lower left and lower right display light-emitting modules of the sub-pixel unit to emit light. In an optional real-time mode, driving the combined illumination of each display light-emitting module of the sub-pixel unit in turn during the aforementioned consecutive frame cycles, with each frame cycle as a unit, can be implemented as follows: the aforementioned consecutive frame cycles include: a first frame and a second frame; in the first frame, driving the combined illumination of each display light-emitting module of the sub-pixel unit to emit light; in the second frame, driving the upper left and upper right display light-emitting modules of the sub-pixel unit to emit light; in an optional real-time mode, driving the combined illumination of each display light-emitting module of the sub-pixel unit in turn, with each frame cycle as a unit, can be implemented as follows: the aforementioned consecutive frame cycles include: a first frame and a second frame; in the first ... In the first frame, the upper left and lower left display light-emitting modules in the pixel unit emit light. In the second frame, the lower left and lower right display light-emitting modules in the sub-pixel unit emit light. In an optional real-time mode, the combination of each display light-emitting module in the sub-pixel unit is driven to emit light in turn in the above-mentioned consecutive frame cycles, with the frame cycle as the unit. The above-mentioned consecutive frame cycles include: the first frame, the second frame, the third frame, and the fourth frame. In the first frame, the lower left display light-emitting module in the sub-pixel unit emits light. In the second frame, the upper left display light-emitting module in the sub-pixel unit emits light. In the third frame, the upper right display light-emitting module in the sub-pixel unit emits light. In the fourth frame, the lower right display light-emitting module in the sub-pixel unit emits light.

[0052] In an optional embodiment, as shown in Figures 7(a), 7(b) and 7(c), the sub-pixel unit 100 includes: a plurality of second brightness compensation light-emitting modules 1003, each of the second brightness compensation light-emitting modules 1003 being located in the gap area between two adjacent display light-emitting modules 1001 in the sub-pixel unit, and when the display panel is not in the stretched state, the second brightness compensation light-emitting module 1003 is blocked by the sidewalls of the two adjacent display light-emitting modules 1001; Specifically, as shown in Figures 7(a) and 7(b), the side of the display light-emitting module 1001 is trapezoidal, and the side of the second brightness compensation light-emitting module 1003 is triangular. Each of the above-mentioned second brightness compensation light-emitting modules 1003 is located in the gap area between two adjacent display light-emitting modules 1001 in the above-mentioned sub-pixel unit. When the display panel is not in the above-mentioned stretched state, the second brightness compensation light-emitting module 1003 is blocked by the sidewalls of the two adjacent display light-emitting modules 1001. When the display panel is in the above-mentioned stretched state, the gap area between the two adjacent display light-emitting modules 1001 increases, and the second brightness compensation light-emitting module 1003 in the gap area between the two adjacent display light-emitting modules 1001 is exposed.

[0053] As shown in Figure 7(c), Figure 8 and Figure 9 As shown, the scan line group 11 further includes two third scan lines L3, and the data line group 12 further includes two third data lines D3. Both third scan lines L3 in the scan line group 11 are connected to the first terminal of the second switch module 131 in the corresponding row control circuit 13. One third scan line L3 in the scan line group 11 is connected to the second brightness compensation light-emitting module 1003 between the upper left and upper right display light-emitting modules in the corresponding sub-pixel unit 100. The other third scan line L3 in the scan line group 11 is connected to the lower left and lower right display light-emitting modules in the corresponding sub-pixel unit 100. The second brightness compensation light-emitting module 1003 is connected between the light-emitting modules. The two third data lines D3 in the data line group 12 are both connected to the first end of the fourth switch module 141 in the corresponding column control circuit 14. One of the second data lines in the data line group 12 is connected to the second brightness compensation light-emitting module 1003 between the upper left and lower left light-emitting modules in the corresponding sub-pixel unit 100. The other third data line D3 in the data line group 12 is connected to the second brightness compensation light-emitting module 1003 between the upper right and lower right light-emitting modules in the corresponding sub-pixel unit 100.

[0054] Specifically, as shown in Figure 7(c), Figure 8 and Figure 9As shown, the driving circuit 2 includes a gate driving circuit 20 and a source driving circuit 21. When the display panel is in a stretched state and during a display period, for each sub-pixel unit 100, in each frame period, the gate driving circuit 20 outputs a scan signal to the first node Lout in the row control circuit 13 corresponding to the sub-pixel unit 100, and the source driving circuit 21 outputs a data voltage signal to the second node Dout in the column control circuit 14 corresponding to the sub-pixel unit 100. The gate driving circuit 20 also outputs an enable signal to the controlled terminals of the two first switch modules 130 and the controlled terminal of the second switch module 131 in the row control circuit 13 corresponding to the sub-pixel unit 100. 1 is used to output an enable signal to the controlled terminals of the two third switch modules 140 and the controlled terminal of the fourth switch module 141 in the column control circuit 14 corresponding to the sub-pixel unit 100, so that the two first scan lines L1, the second scan line L2 and the two third scan lines L3 in the scan line group 11 corresponding to the sub-pixel unit 100 output scan signals, and the two first data lines D1, the second data lines D2 and the two third data lines D3 in the data line group 12 corresponding to the sub-pixel unit 100 output data voltage signals, so as to drive all the display light-emitting modules 1001, the first brightness compensation light-emitting module 1002 and the second brightness compensation light-emitting module 1003 in the sub-pixel unit 100 to emit light, so as to further reduce the brightness attenuation caused by stretching.

[0055] Specifically, as shown in Figure 7(c), when the display panel is in a stretched state and during the display period, the second brightness compensation light-emitting module 1003 between two adjacent display light-emitting modules 1001 in the sub-pixel unit 100 is exposed, driving the second brightness compensation light-emitting module 1003 to emit light, filling the gap area between the two display light-emitting modules 1001, and increasing the effective display area of ​​the display panel. In Figures 7(a), 7(b), and 7(c), R represents red and W represents white. The display light-emitting module 1001 marked with R emits red light, and the second brightness compensation light-emitting module 1003 marked with W emits white light. For example, as shown in Figures 7(a), 7(b), and 7(c), the color of the second brightness compensation light-emitting module 1003 can be white. When the display panel is in a stretched state and during the display period, the second brightness compensation light-emitting module 1003 is driven to emit light. Module 1003 emits white light. The color of the second brightness compensation light-emitting module 1003 can also be the same as the color of the two adjacent display light-emitting modules 1001. When the display panel is in a stretched state and during the display period, the second brightness compensation light-emitting module 1003 is driven to emit red light. Compared to the second brightness compensation light-emitting module 1003 being the same as the color of the two adjacent display light-emitting modules 1001, the second brightness compensation light-emitting module 1003 has a higher luminous efficiency when its color is white. Compared to the second brightness compensation light-emitting module 1003 being white, the second brightness compensation light-emitting module 1003 being the same as the color of the two adjacent display light-emitting modules 1001 avoids the introduction of white stray light into the sub-pixel units 100, and can ensure the color balance of different sub-pixel units 100 of the compensated display panel.

[0056] In an optional embodiment, the driving circuit is used to adjust the brightness of the first brightness compensation light-emitting module of the curved region based on the curvature of the curved region of the display panel, wherein the brightness of the first brightness compensation light-emitting module of the curved region is positively correlated with the curvature of the curved region.

[0057] Specifically, when the display panel is in a stretched state, for example, the display panel is attached to a curved surface, forming multiple curved areas with different curvatures on the display panel. The optical performance of these curved areas changes significantly. The curved areas reflect more ambient light into the eyes, the contrast of the image in the curved areas is reduced, and the image in the curved areas is darker and blurrier in the eyes of the human eye. The human eye has difficulty perceiving the undulations of the curved surface, and the stereoscopic vision of the display panel is poor. At this time, the first brightness compensation light-emitting module of the curved area is driven to emit light to improve the brightness of the curved area, reduce the ambient light reflected into the eyes, and improve the contrast of the image in the curved area. Moreover, the brightness of the first brightness compensation light-emitting module is greater for the curved area with the largest curvature, and the brightness of the first brightness compensation light-emitting module gradually decreases for the curved areas on both sides of the curved area with the largest curvature, forming brightness contour lines. This is equivalent to actively drawing light and shadow on the curved surface, making the three-dimensional shape of the display panel visually magnified, so that the human eye can clearly perceive the undulations of the curved surface of the display panel.

[0058] In an optional embodiment, when the display panel is not in the stretched state and displays a diagonal image, the frame refresh frequency of the consecutive multiple frame cycles is greater than the critical fusion frequency.

[0059] Specifically, such as Figure 1 and Figure 4 As shown, the sub-pixel unit 100 is rhomboid in shape. There are not only horizontal and vertical gaps between the sub-pixel units 100, but also diagonal gaps, which provides a geometric advantage for the smooth display of diagonal lines. In Figure 10(a), a square represents a sub-pixel unit. As shown in Figure 10(a), in the prior art, when displaying a diagonal image, multiple square sub-pixel units along the arrow direction emit light to approximate the diagonal image. Since the sub-pixel unit is square, when displaying a diagonal image, the diagonal line can only approximate the diagonal image through the horizontal and vertical steps of the sub-pixel unit. Therefore, the diagonal image will produce obvious jagged edges. In this application, in Figure 10(b), a rhombus represents a sub-pixel unit. As shown in Figure 10(a), when displaying a diagonal image, multiple rhomboid sub-pixel units along the arrow direction emit light to display the diagonal image. Since the sub-pixel unit in this application is rhomboid, the oblique side of the sub-pixel unit itself is closer to the diagonal direction, which can reduce the jagged edges of the diagonal image at the source.

[0060] Specifically, when the display panel is not in the stretched state and displays a diagonal image, for each sub-pixel unit, in multiple consecutive frame cycles, the multiple different display light-emitting modules of the sub-pixel unit are driven to emit light in turn, with each frame cycle as a unit. Furthermore, the frame refresh frequency of these multiple consecutive frame cycles is greater than the critical fusion frequency. Here, the frame refresh frequency of the multiple frame cycles refers to the switching frequency of the display light-emitting module combinations, and the critical fusion frequency is the human eye's visual critical flicker fusion frequency. Since the frame refresh frequency of these multiple consecutive frame cycles is greater than the critical fusion frequency, the human eye cannot perceive the light switching changes of different display light-emitting module combinations of the same sub-pixel unit. Consequently, the human eye cannot distinguish the visual center generated by the light of different display light-emitting module combinations of the same sub-pixel unit. The human eye can only perceive the visual center generated by the superposition of the light of each display light-emitting module combination corresponding to multiple frame cycles of the same sub-pixel unit. For example, in Figure 10(c), R represents red, B represents blue, and G represents green. As shown in Figure 10(c), in the first frame, the upper right and lower right display light-emitting modules in the middle sub-pixel unit 100 are driven to emit light. In the second frame, the upper left and upper right display light-emitting modules in the middle sub-pixel unit 100 emit light. In the third frame, the upper left and lower left display light-emitting modules in the middle sub-pixel unit 100 emit light. In the fourth frame, the lower left and lower right display light-emitting modules in the middle sub-pixel unit 100 emit light. The four pentagrams represent the visual center generated by the combined light from the display light-emitting modules in the middle sub-pixel unit 100 corresponding to the first frame, and the display light-emitting module in the middle sub-pixel unit 100 corresponding to the second frame, respectively. The visual center generated by the combined light, the visual center generated by the combined light of the display light-emitting module corresponding to the third frame in the middle sub-pixel unit 100, and the visual center generated by the combined light of the display light-emitting module corresponding to the fourth frame in the middle sub-pixel unit 100 are superimposed and located at the exact center of the middle sub-pixel unit 100. Therefore, the exact center of the sub-pixel unit 100 in the diagonal direction is close to the diagonal image, so that the visual center of each sub-pixel unit 100 is located on the diagonal image, thereby further reducing the jaggedness of the diagonal image.

[0061] This application provides a driving method for a display panel, which is applied to any of the aforementioned display panels. The method includes: Step S301: Detect whether the display panel is in a stretched state and whether the display panel is in a display period. Step S302: During the display period, drive the display light-emitting module to emit light to display image information. When the display panel is not in the stretched state and is in the display period, drive the first brightness compensation light-emitting module to emit light of a first brightness. When the display panel is in the stretched state and is in the display period, drive the first brightness compensation light-emitting module to emit light of a second brightness, wherein the second brightness is greater than the first brightness.

[0062] This application provides a display device, which includes any of the above-described display panels.

[0063] It should be understood that the terminology used herein is for the purpose of describing particular exemplary embodiments only and is not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms “a,” “an,” and “described” as used herein may also include the plural forms. The terms “comprising,” “including,” “containing,” and “having” are inclusive and therefore indicate the presence of the stated features, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein are not construed as requiring them to be performed in a particular order described or illustrated unless the order of performance is explicitly indicated. It should also be understood that additional or alternative steps may be used.

[0064] The above description is merely a specific embodiment of the present invention, enabling those skilled in the art to understand or implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A display panel, characterized in that, The display panel includes: A pixel circuit disposed on a flexible substrate, the pixel circuit comprising: multiple rows of sub-pixel units, each sub-pixel unit comprising: multiple display light-emitting modules and a first brightness compensation light-emitting module, wherein all display light-emitting modules in the same sub-pixel unit have the same color; A driving circuit disposed on the flexible substrate is configured to drive the display light-emitting module to emit light during the display period to display image information; to drive the first brightness compensation light-emitting module to emit light of a first brightness when the display panel is not in a stretched state and is in the display period; and to drive the first brightness compensation light-emitting module to emit light of a second brightness when the display panel is in the stretched state and is in the display period, wherein the second brightness is greater than the first brightness.

2. The display panel according to claim 1, characterized in that, The sub-pixel unit includes four display light-emitting modules. The sub-pixel unit is rhomboid in shape. The first brightness compensation light-emitting module is also rhomboid in shape. The center point of the first brightness compensation light-emitting module coincides with the center point of the sub-pixel unit. Each side of the first brightness compensation light-emitting module is parallel to the corresponding side of the sub-pixel unit. The four display light-emitting modules are respectively located on the upper left, upper right, lower left, and lower right sides of the first brightness compensation light-emitting module.

3. The display panel according to claim 2, characterized in that, The driving circuit is used to drive multiple different display light-emitting module combinations of the sub-pixel unit to emit light in turn in multiple consecutive frame cycles, with each frame cycle as the unit, when the display panel is not in the stretched state and is in the display period. Each frame cycle in the multiple frame cycles corresponds to one display light-emitting module combination of the sub-pixel unit. Each display light-emitting module combination consists of a preset number of display light-emitting modules from the four display light-emitting modules in the sub-pixel unit, and the preset number is less than four.

4. The display panel according to claim 3, characterized in that, The pixel circuit also includes: Multiple scan line groups and multiple data line groups are provided. Each scan line group corresponds to a row of sub-pixel units, and each data line group corresponds to a column of sub-pixel units. Each scan line group includes two first scan lines and a second scan line. One first scan line in the scan line group is connected to the upper left and upper right display light-emitting modules in the corresponding sub-pixel unit. The upper left display light-emitting module is the display light-emitting module located to the upper left of the first brightness compensation light-emitting module in the sub-pixel unit, and the upper right display light-emitting module is the display light-emitting module located to the upper right of the first brightness compensation light-emitting module in the sub-pixel unit. The other first scan line in the scan line group is connected to the lower left and lower right display light-emitting modules in the corresponding sub-pixel unit. The lower left display light-emitting module... The lower left display light-emitting module is the first brightness compensation light-emitting module in the sub-pixel unit, and the lower right display light-emitting module is the first brightness compensation light-emitting module in the sub-pixel unit. The second scan line in the scan line group is connected to the first brightness compensation light-emitting module in the corresponding sub-pixel unit. The data line group includes two first data lines and a second data line. One first data line in the data line group is connected to the upper left and lower left display light-emitting modules in the corresponding sub-pixel unit. The other first data line in the data line group is connected to the upper right and lower right display light-emitting modules in the corresponding sub-pixel unit. The second data line in the data line group is connected to the first brightness compensation light-emitting module in the corresponding sub-pixel unit. The driving circuit is used for: When the display panel is not in the stretched state and is in the display period, for each sub-pixel unit, in the consecutive multiple frame cycles, a scan signal is output to the first scan line connected to each display light-emitting module combination of the sub-pixel unit in turn, with the frame cycle as the unit. When the scan signal is output to the first scan line connected to the display light-emitting module combination, a data voltage signal is output to the first data line connected to the display light-emitting module combination, so as to drive each display light-emitting module combination of the sub-pixel unit to emit light in turn in the consecutive multiple frame cycles. When the display panel is in the stretched state and during the display period, for each sub-pixel unit, in each frame cycle, a scan signal is output to two first scan lines and a second scan line in the scan line group corresponding to the sub-pixel unit, and a data voltage signal is output to two first data lines and a second data line in the data line group corresponding to the sub-pixel unit, so as to drive all display light-emitting modules and first brightness compensation light-emitting modules in the sub-pixel unit to emit light.

5. The display panel according to claim 4, characterized in that, The pixel circuit also includes: Multiple line control circuits are provided, each line control circuit corresponding to a scan line group. Each line control circuit includes: two first switch modules, a second switch module, and a first node. The first switch modules in the line control circuit correspond one-to-one with the first scan lines in the corresponding scan line groups. The first end of the first switch module is connected to the corresponding first scan line. The first end of the second switch module in the line control circuit is connected to the second scan line in the corresponding scan line group. The second ends of the two first switch modules and the second end of the second switch module are all connected to the first node of the line control circuit. Multiple column control circuits are provided, each column control circuit corresponding to a data line group. Each column control circuit includes: two third switch modules, a fourth switch module, and a second node. The third switch modules in the column control circuit correspond one-to-one with the first data lines in the corresponding data line groups. The first end of the third switch module is connected to the corresponding first data line. The first end of the fourth switch module in the column control circuit is connected to the second data line in the corresponding data line group. The second ends of the two third switch modules and the second end of the fourth switch module in the column control circuit are all connected to the second node of the column control circuit. The driving circuit is used for: When the display panel is not in the stretched state and is in the display period, for each sub-pixel unit, in each of the consecutive multiple frame cycles, a scan signal is output to the first node of the row control circuit corresponding to the sub-pixel unit, and a data voltage signal is output to the second node of the column control circuit corresponding to the sub-pixel unit. In the consecutive multiple frame cycles, with frame cycles as the unit, an enable signal is output in turn to the controlled terminal of the first switch module corresponding to the first scan line connected to each display light-emitting module combination of the sub-pixel unit. When an enable signal is output to the controlled terminal of the first switch module corresponding to the first scan line connected to the display light-emitting module combination, an enable signal is output to the controlled terminal of the third switch module corresponding to the first data line connected to the display light-emitting module combination. When the display panel is in the stretched state and during the display period, for each sub-pixel unit, in each frame cycle, a scan signal is output to the first node in the row control circuit corresponding to the sub-pixel unit, a data voltage signal is output to the second node in the column control circuit corresponding to the sub-pixel unit, an enable signal is output to the controlled terminals of the two first switch modules and the controlled terminal of the second switch module in the row control circuit corresponding to the sub-pixel unit, and an enable signal is output to the controlled terminals of the two third switch modules and the controlled terminal of the fourth switch module in the column control circuit corresponding to the sub-pixel unit.

6. The display panel according to claim 5, characterized in that, The consecutive frame periods include: a first frame, a second frame, a third frame, and a fourth frame, and the driving circuit is used for: For each sub-pixel unit, in the first frame, a scan signal is output to the first node of the row control circuit corresponding to the sub-pixel unit, a data voltage signal is output to the second node of the column control circuit corresponding to the sub-pixel unit, an enable signal is sent to the controlled terminal of the first switch module corresponding to the first scan line connected to the first target combination, and an enable signal is sent to the controlled terminal of the third switch module corresponding to the first data line connected to the first target combination. The first target combination includes the upper left display light-emitting module and the lower left display light-emitting module in the sub-pixel unit. For each sub-pixel unit, in the second frame, a scan signal is output to the first node of the row control circuit corresponding to the sub-pixel unit, a data voltage signal is output to the second node of the column control circuit corresponding to the sub-pixel unit, an enable signal is sent to the controlled terminal of the first switch module corresponding to the first scan line connected to the second target combination, and an enable signal is sent to the controlled terminal of the third switch module corresponding to the first data line connected to the second target combination. The second target combination includes the upper left display light-emitting module and the upper right display light-emitting module in the sub-pixel unit. For each sub-pixel unit, in the third frame, a scan signal is output to the first node of the row control circuit corresponding to the sub-pixel unit, a data voltage signal is output to the second node of the column control circuit corresponding to the sub-pixel unit, an enable signal is sent to the controlled terminal of the first switch module corresponding to the first scan line connected to the third target combination, and an enable signal is sent to the controlled terminal of the third switch module corresponding to the first data line connected to the third target combination. The third target combination includes the upper right display light-emitting module and the lower right display light-emitting module in the sub-pixel unit. For each sub-pixel unit, in the fourth frame, a scan signal is output to the first node of the row control circuit corresponding to the sub-pixel unit, a data voltage signal is output to the second node of the column control circuit corresponding to the sub-pixel unit, an enable signal is sent to the controlled terminal of the first switch module corresponding to the first scan line connected to the fourth target combination, and an enable signal is sent to the controlled terminal of the third switch module corresponding to the first data line connected to the fourth target combination. The fourth target combination includes the lower right display light-emitting module and the lower left display light-emitting module in the sub-pixel unit.

7. The display panel according to claim 5, characterized in that, The sub-pixel unit includes: a plurality of second brightness compensation light-emitting modules, each second brightness compensation light-emitting module being located in the gap area between two adjacent display light-emitting modules in the sub-pixel unit, and when the display panel is not in the stretched state, the second brightness compensation light-emitting module is blocked by the side of the two adjacent display light-emitting modules; The scan line group further includes two third scan lines, and the data line group further includes two third data lines. Both third scan lines in the scan line group are connected to the first terminal of the second switch module in the corresponding row control circuit. One third scan line in the scan line group is connected to the second brightness compensation light-emitting module between the upper left and upper right display light-emitting modules in the corresponding sub-pixel unit. The other third scan line in the scan line group is connected to the second brightness compensation light-emitting module between the lower left and lower right display light-emitting modules in the corresponding sub-pixel unit. Both third data lines in the data line group are connected to the first terminal of the fourth switch module in the corresponding column control circuit. One second data line in the data line group is connected to the second brightness compensation light-emitting module between the upper left and lower left display light-emitting modules in the corresponding sub-pixel unit. The other third data line in the data line group is connected to the second brightness compensation light-emitting module between the upper right and lower right display light-emitting modules in the corresponding sub-pixel unit.

8. The display panel according to claim 1, characterized in that, The driving circuit is used to adjust the brightness of the first brightness compensation light-emitting module of the curved area based on the curvature of the curved area of ​​the display panel, and the brightness of the first brightness compensation light-emitting module of the curved area is positively correlated with the curvature of the curved area.

9. The display panel according to claim 3, characterized in that, When the display panel is not in the stretched state and displays a diagonal image, the frame refresh rate of the consecutive multiple frame cycles is greater than the critical fusion frequency.

10. A driving method for a display panel, characterized in that, The method is applied to the display panel according to any one of claims 1 to 9, and the method includes: Detect whether the display panel is in a stretched state and whether the display panel is in a display period; The display light-emitting module is driven to emit light during the display period to display image information. When the display panel is not in a stretched state and is in the display period, the first brightness compensation light-emitting module is driven to emit light of a first brightness. When the display panel is in the stretched state and is in the display period, the first brightness compensation light-emitting module is driven to emit light of a second brightness, the second brightness being greater than the first brightness.

11. A display device, characterized in that, The display device includes: a display panel according to any one of claims 1 to 9.

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