Display panel, driving method thereof and display device
By designing a multi-width electrode structure in the electrophoretic display panel and driving it with a specific voltage sequence, the problem of charged particle aggregation was solved, improving the display effect and reflectivity, and enhancing the user experience.
Patent Information
- Application Number
- CN202410642788.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-11-25
AI Technical Summary
In existing electrophoretic display technology, the accumulation of charged particles between electrodes leads to a decrease in reflectivity, affecting the display effect, especially the appearance of shadows in the white display state.
Design a display panel structure in which the pixel electrode includes three or more electrodes of different widths, the third electrode being narrower than the others, and charged particles are driven to distribute evenly through a specific voltage sequence to avoid aggregation.
It improves the pixel aperture ratio and reflectivity of the display panel, avoids shadows in the white display state, and enhances the display effect and user experience.
Smart Images

Figure CN121008431A_ABST
Abstract
Description
Technical Field
[0001] This disclosure belongs to the field of display technology, specifically relating to a display panel and its driving method, and a display device. Background Technology
[0002] Electrophoretic display (EPD) technology uses an electric field to drive stained charged particles to move within an electrophoresis chamber. By controlling the state of these charged particles and reflecting ambient light, a display function is achieved. Even after power is off, the charged particles maintain a steady state, offering excellent eye protection and energy efficiency. Summary of the Invention
[0003] This disclosure aims to at least solve one of the technical problems existing in the prior art, and provides a display panel and its driving method, as well as a display device.
[0004] In a first aspect, embodiments of this disclosure provide a display panel having a plurality of pixel regions arranged in an array. The display panel includes: a first substrate and a second substrate disposed opposite to each other, and charged particles located between the first substrate and the second substrate. The first substrate includes: a first base and a plurality of pixel electrodes located on the side of the first substrate near the charged particles. The second substrate includes: a second base and a common electrode located on the side of the second base away from the charged particles.
[0005] The pixel electrode includes: a first electrode and a second electrode disposed in each pixel region, and a third electrode located between the first electrode and the second electrode;
[0006] The width of the third electrode is less than the width of either the first electrode or the second electrode.
[0007] In some embodiments, the width of the first electrode and the width of the second electrode are equal.
[0008] In some embodiments, the pixel electrode further includes a fourth electrode located on the side of the second electrode away from the third electrode;
[0009] The width of the fourth electrode is smaller than the width of the third electrode.
[0010] In some embodiments, the sum of the widths of the fourth electrode and the second electrode is equal to the width of the first electrode.
[0011] In some embodiments, the pixel electrode further includes a fifth electrode located on the side of the first electrode away from the third electrode;
[0012] The width of the fifth electrode is smaller than the width of the third electrode.
[0013] In some embodiments, the width of the fourth electrode is equal to the width of the fifth electrode.
[0014] In some embodiments, the spacing between adjacent pixel electrodes is 10 micrometers to 20 micrometers.
[0015] In some embodiments, the display panel further includes: a pixel barrier and an electrophoretic solution;
[0016] The pixel barrier is located between adjacent pixel areas;
[0017] The electrophoretic solution and the charged particles are located between adjacent pixel barriers.
[0018] In some embodiments, the outer surfaces of the charged particles are all the same color.
[0019] Secondly, embodiments of this disclosure provide a display device, the display device including the display panel as described above.
[0020] Thirdly, embodiments of this disclosure provide a driving method for a display panel, used to drive the display panel as described above, wherein a common electrode is connected to a common voltage during the driving process of the display panel; the driving process of the display panel is sequentially divided into a first longitudinal oscillation activation stage, a transverse oscillation activation stage, and a first display stage, and the driving method for the display panel includes:
[0021] During the first longitudinal oscillation activation phase, a first pulse voltage is input to the first electrode, the second electrode, and the third electrode;
[0022] During the transverse oscillation activation phase, a second pulse voltage is input to the first electrode and the second electrode, while a third pulse voltage with the opposite polarity to the second pulse voltage is input to the third electrode.
[0023] In the first display stage, a first constant voltage, a second constant voltage, and a third constant voltage are respectively input to the first electrode, the second electrode, and the third electrode; the first constant voltage and the second constant voltage are both greater than the third constant voltage; or the second constant voltage is greater than the third constant voltage, and the third constant voltage is greater than the first constant voltage.
[0024] In some embodiments, the absolute values of the positive and negative voltages of the second pulse voltage are not equal;
[0025] The absolute values of the positive and negative voltages of the third pulse voltage are not equal.
[0026] In some embodiments, the driving method for the display panel further includes:
[0027] During the first longitudinal oscillation activation phase, a first pulse voltage is input to the fourth electrode;
[0028] During the transverse oscillation activation phase, a second pulse voltage is input to the fourth electrode;
[0029] In the first display stage, a fourth constant voltage is input to the fourth electrode; the fourth constant voltage is greater than the second constant voltage, the second constant voltage is greater than the third constant voltage, and the third constant voltage is greater than the first constant voltage.
[0030] In some embodiments, the driving process of the display panel is further divided into a second longitudinal oscillation activation stage and a second display stage after the first display stage, and the driving method of the display panel further includes:
[0031] During the second longitudinal oscillation activation phase, a first pulse voltage is input to the first electrode, the second electrode, the third electrode, and the fourth electrode.
[0032] In the second display stage, a fifth constant voltage, a sixth constant voltage, a seventh constant voltage, and an eighth constant voltage are respectively input to the first electrode, the second electrode, the third electrode, and the fourth electrode; the eighth constant voltage is greater than the sixth constant voltage, the sixth constant voltage is greater than or equal to the seventh constant voltage, and the seventh constant voltage is greater than or equal to the fifth constant voltage.
[0033] In some embodiments, the driving process of the display panel is further divided into a second display stage after the first display stage, and the driving method of the display panel further includes:
[0034] In the first longitudinal oscillation activation stage, a first pulse voltage is input to the fourth and fifth electrodes; in the transverse oscillation activation stage, a second pulse voltage is input to the fourth and fifth electrodes.
[0035] In the first display stage, a ninth constant voltage and a tenth constant voltage are respectively input to the fourth electrode and the fifth electrode; the ninth constant voltage is greater than the second constant voltage, the tenth constant voltage is greater than the first constant voltage, and both the first constant voltage and the second constant voltage are greater than the third constant voltage.
[0036] In the second display stage, an eleventh constant voltage, a twelfth constant voltage, a thirteenth constant voltage, a fourteenth constant voltage, and a fifteenth constant voltage are respectively input to the first electrode, the second electrode, the third electrode, the fourth electrode, and the fifth electrode; the fifteenth constant voltage is greater than the eleventh constant voltage, the fourteenth constant voltage is greater than the twelfth constant voltage, and the eleventh constant voltage, the twelfth constant voltage, and the thirteenth constant voltage are the same.
[0037] In some embodiments, the driving process of the display panel is further divided into a second longitudinal oscillation activation phase between the first display phase and the second display phase, and the driving method of the display panel further includes:
[0038] During the second longitudinal oscillation activation phase, a first pulse voltage is input to the first electrode, the second electrode, the third electrode, the fourth electrode, and the fifth electrode. Attached Figure Description
[0039] Figure 1 This is a schematic diagram of a planar structure of an exemplary display panel.
[0040] Figure 2 for Figure 1 The diagram shows a cross-sectional view of the display panel along the A-A' direction.
[0041] Figure 3 for Figure 2 The diagram shows the state of charged particles in an ideal state of the display panel.
[0042] Figure 4 for Figure 2 The diagram shows the state of charged particles in the actual state of the display panel.
[0043] Figure 5 This is a schematic diagram of a planar structure for another exemplary display panel.
[0044] Figure 6 for Figure 5 The diagram shows a cross-sectional view of the display panel along the B-B' direction.
[0045] Figure 7 for Figure 6 The diagram shows the state of charged particles in an ideal state of the display panel.
[0046] Figure 8 for Figure 6 The diagram shows the state of charged particles in the actual state of the display panel.
[0047] Figure 9 A schematic diagram of the planar structure of a first type of display panel provided in an embodiment of this disclosure.
[0048] Figure 10 for Figure 9 The diagram shows a cross-sectional view of the display panel along the C-C' direction.
[0049] Figure 11 This is a schematic diagram of the planar structure of a second type of display panel provided in an embodiment of this disclosure.
[0050] Figure 12 for Figure 11The diagram shows a cross-sectional view of the display panel along the D-D' direction.
[0051] Figure 13 This is a schematic diagram of the planar structure of a third type of display panel provided in an embodiment of this disclosure.
[0052] Figure 14 for Figure 13 The diagram shows a cross-sectional view of the display panel along the E-E' direction.
[0053] Figure 15 A timing diagram of a first driving method for a display panel provided in an embodiment of this disclosure.
[0054] Figures 16a to 16d for Figure 15 The state diagram of charged particles under the driving method of the display panel is shown.
[0055] Figure 17 A timing diagram of a second driving method for a display panel provided in an embodiment of this disclosure.
[0056] Figure 18 A timing diagram for a third driving method for a display panel provided in an embodiment of this disclosure.
[0057] Figures 19a to 19c for Figure 18 The state diagram of charged particles under the driving method of the display panel is shown.
[0058] Figure 20 A timing diagram of a fourth driving method for a display panel provided in an embodiment of this disclosure.
[0059] Figures 21a to 21b for Figure 20 The state diagram of charged particles under the driving method of the display panel is shown.
[0060] Figure 22 A timing diagram of a fifth driving method for a display panel provided in an embodiment of this disclosure.
[0061] Figures 23a to 23d for Figure 22 The state diagram of charged particles under the driving method of the display panel is shown.
[0062] Figure 24 A timing diagram of a sixth driving method for a display panel provided in an embodiment of this disclosure.
[0063] Figure 25 for Figure 24 The state diagram of charged particles under the driving method of the display panel is shown. Detailed Implementation
[0064] To enable those skilled in the art to better understand the technical solutions of this disclosure, the disclosure will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0065] Unless otherwise defined, the technical or scientific terms used in this disclosure shall have the ordinary meaning understood by one of ordinary skill in the art to which this disclosure pertains. The terms “first,” “second,” and similar terms used in this disclosure do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, the terms “an,” “a,” or “the,” and similar terms do not indicate a quantity limitation, but rather indicate the presence of at least one. The terms “including,” “comprising,” or “containing,” and similar terms mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. The terms “connected,” “linked,” or similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms “upper,” “lower,” “left,” and “right,” etc., are used only to indicate relative positional relationships, and these relative positional relationships may change accordingly when the absolute position of the described objects changes.
[0066] Figure 1 This is a schematic diagram of a planar structure of an exemplary display panel. Figure 2 for Figure 1 The diagram shows a cross-sectional view of the display panel along the A-A' direction. Figure 1 and Figure 2 As shown, the display panel has multiple pixel areas P arranged in an array. The display panel includes: a first substrate 10 and a second substrate 20 disposed opposite to each other, and charged particles 301 located between the first substrate 10 and the second substrate 20. The first substrate 10 includes: a first base 101 and multiple pixel electrodes 102 located on the side of the first base 101 near the charged particles 301. The second substrate 20 includes: a second base 201 and a common electrode 202 located on the side of the second base 201 away from the charged particles 301.
[0067] The first substrate 101 can support the pixel electrodes 102 thereon. There can be three pixel electrodes 102: a first electrode 1021, a second electrode 1022, and a third electrode 1033. All pixel electrodes 102 have the same width. The second substrate 201 can support the common electrode 202 thereon. Charged particles 301 can move under the influence of the longitudinal electric field between the pixel electrodes 102 and the common electrode 202, and the transverse electric field between adjacent pixel electrodes 102. By controlling the state of the charged particles 301 to reflect ambient light, the display function is achieved.
[0068] Figure 3 for Figure 2The diagram shown illustrates the state of charged particles in an ideal state of the display panel, as follows: Figure 3 As shown, in a stable state, the charged particles 301 in the display panel are uniformly distributed within the electrophoresis chamber. During the display process, the charged particles 301 in the display panel are driven by the electric field to positions corresponding to the first electrode 1021 and the second electrode 1022 at the edge. The display function is achieved by controlling the state of the charged particles 301 to reflect ambient light. However, this is not the case in actual applications.
[0069] Figure 4 for Figure 2 The diagram shown depicts the state of charged particles in the actual state of the display panel. Figure 4 As shown, in a stable state, the charged particles 301 in the display panel are evenly distributed in the electrophoresis chamber. During the display process, the charged particles 301 in the display panel are driven by the electric field to the positions corresponding to the first electrode 1021 and the second electrode 1022 at the edge. However, a large number of charged particles 301 remain at the position corresponding to the third electrode 1023 in the middle, which reduces the reflectivity. In the white display state, a dark shadow appears in the middle, affecting the display effect.
[0070] The reason for the above problem is that in the display state (i.e., white display state), the first electrode 1021 and the second electrode 1022 are input with the same voltage, and the third electrode 1023 is input with the same directional voltage. The lateral component Ex of the electric field above the third electrode 1023 in the middle of the pixel area P is low (almost 0), and the vertical component Ey is large, forming a lateral driving blind zone. As a result, the charged particles 301 cannot be moved to the corresponding positions of the first electrode 1021 and the second electrode 1022 on both sides, but accumulate at the corresponding position of the third electrode 1023 in the middle of the pixel area P.
[0071] Figure 5 This is a schematic diagram of another exemplary planar structure of a display panel. Figure 6 for Figure 5 The diagram shows a cross-sectional view of the display panel along the B-B' direction. Figure 5 , Figure 6 The display panel shown is Figure 1 , Figure 2 The difference in the structure of the display panel shown is that, Figure 5 and Figure 6 The display panel shown has five pixel electrodes 102, namely, a fourth electrode 1024 is added between the first electrode 1021 and the third electrode 1023, and a fifth electrode 1025 is added between the second electrode 1022 and the third electrode 1023. The width of the five pixel electrodes 102 is still equal.
[0072] Figure 7 for Figure 6The diagram shown illustrates the state of charged particles in an ideal state of the display panel, as follows: Figure 7 As shown, in a stable state, the charged particles 301 in the display panel are uniformly distributed within the electrophoresis chamber. During the display process, the charged particles 301 in the display panel are driven by the electric field to positions corresponding to the first electrode 1021 and the second electrode 1022 at the edge. The display function is achieved by controlling the state of the charged particles 301 to reflect ambient light. However, this is not the case in actual applications.
[0073] Figure 8 for Figure 6 The diagram shown depicts the state of charged particles in the actual state of the display panel. Figure 8 As shown, in a stable state, the charged particles 301 in the display panel are evenly distributed in the electrophoresis cavity. During the display process, due to the close distance between the fourth electrode 1024 and the fifth electrode 1025, the transverse component Ex of the electric field generated between them is large, which easily drives the charged particles 301 to the positions corresponding to the second electrode 1022 and the fifth electrode 1025 at the edge. At the same time, a large number of charged particles 301 remain at the position corresponding to the third electrode 1023 in the middle. That is, all the charged particles 301 move to one side (right side) of the pixel area P, which reduces the reflectivity. In the white display state, a shadow appears on the right side of the pixel area P, affecting the display effect.
[0074] To at least solve one of the aforementioned technical problems, this disclosure provides a display panel and its driving method and display device. The display panel and its driving method and display device provided in this disclosure will be further described in detail below with reference to specific embodiments and accompanying drawings.
[0075] In a first aspect, embodiments of this disclosure provide a display panel, Figure 9 This is a schematic diagram of the planar structure of the first type of display panel provided in an embodiment of this disclosure. Figure 10 for Figure 9 The diagram shows a cross-sectional view of the display panel along the C-C' direction. Figure 9 and Figure 10As shown, the display panel has multiple pixel regions P arranged in an array; the display panel includes: a first substrate 10 and a second substrate 20 disposed opposite to each other, and charged particles 301 located between the first substrate 10 and the second substrate 20; the first substrate 10 includes: a first base 101, and multiple pixel electrodes 102 located on the side of the first base 101 near the charged particles 301; the second substrate 20 includes: a second base 201, and a common electrode 202 located on the side of the second base 201 away from the charged particles 301; the pixel electrode 102 includes: a first electrode 1021 and a second electrode 1022 disposed in each pixel region P, and a third electrode 1023 located between the first electrode 1021 and the second electrode 1022; the width of the third electrode 1023 is smaller than the width of either the first electrode 1021 or the second electrode 1022.
[0076] The first substrate 101 can support the pixel electrodes 102 thereon. The pixel electrodes 102 can be strip electrodes extending in the same direction and arranged side by side. Each pixel region P can have three pixel electrodes 102: a first electrode 1021, a second electrode 1022, and a third electrode 1023. The first electrode 1021 and the second electrode 1022 are located on opposite sides of each pixel region P, and the third electrode 1023 is located between the first electrode 1021 and the second electrode 1022, i.e., in the middle of each pixel region P. The widths of the three pixel electrodes 102 are different, with the width of the third electrode 1023 being smaller than the width of either the first electrode 1021 or the second electrode 1022. It should be noted that the extension direction of the pixel electrodes 102 is the column direction of the display panel, their arrangement direction is the row direction of the display panel, and their width is the line width along the row direction.
[0077] The second substrate 201 can support the common electrode 202 thereon. The common electrode 202 can be a planar electrode. The orthographic projection of the common electrode 202 on the first substrate 101 overlaps with the orthographic projection of each pixel electrode 102 on the first substrate 101.
[0078] Charged particles 301 can have the same outer surface color, such as black particles or white particles. The color of the outer surface of charged particles 301 can be set according to actual needs. In the following description, we will use black charged particles 301 as an example.
[0079] Pixel barriers 302 are also provided between adjacent pixel areas P. The adjacent pixel barriers 302, the first substrate 10, and the second substrate 20 can surround and form an electrophoresis cavity. The electrophoresis cavity is filled with electrophoretic liquid 303. Charged particles 301 can move in the electrophoretic liquid 303 under the drive of the electric field generated by each pixel electrode 102 and the common electrode 202, as well as the electric field generated between adjacent pixel electrodes 102. By controlling the state of the charged particles 301 to reflect ambient light, the display function is realized.
[0080] In the display panel provided in this embodiment, there are three pixel electrodes 102, namely a first electrode 1021, a second electrode 1022 and a third electrode 1023. The third electrode 1023 is located between the first electrode 1021 and the second electrode 1022, and the width of the third electrode 1023 is smaller than the width of either the first electrode 1021 or the second electrode 1022. That is, the third electrode 1023 is the smallest in width among the three pixel electrodes 102. During the display process, a preset timing voltage can be input to each pixel electrode 102 and the common electrode 202. Since the width of the third electrode 1023 is small, the area corresponding to the vertical component Ey of the electric field generated between the third electrode 1023 and the common electrode 202 is small. At the same time, the horizontal component Ex of the electric field generated between the first electrode 1021 and the third electrode 1023 and / or the second electrode 1022 and the third electrode 1023 is large. This allows the charged particles 301 to be directly moved to the positions corresponding to the first electrode 1021 and / or the second electrode 1022, that is, one or both sides of the pixel area P of the display panel. This prevents the charged particles 301 from accumulating at the position corresponding to the third electrode 1023 in the middle. Therefore, the aperture ratio of the pixel area P of the display panel can be increased, and the reflectivity can be increased. This can prevent the appearance of a shadow in the middle of the display panel in the white display state, thereby improving the display effect and enhancing the user experience.
[0081] In some embodiments, such as Figure 9 and Figure 10 As shown, the width of the first electrode 1021 is equal to the width of the second electrode 1022.
[0082] The width of the first electrode 1021 is equal to the width of the second electrode 1022, which ensures that during the display process, the number of charged particles 301 gathered at the corresponding positions of the first electrode 1021 and the second electrode 1022 is basically the same, so that the charged particles 301 in the same electrophoresis chamber can be evenly distributed on both sides, thereby improving the display effect.
[0083] Figure 11 This is a schematic diagram of the planar structure of the second type of display panel provided in an embodiment of this disclosure. Figure 12 for Figure 11The diagram shows a cross-sectional view of the display panel along the D-D' direction. Figure 11 and Figure 12 As shown, the pixel electrode 102 also includes a fourth electrode 1024 located on the side of the second electrode 1022 away from the third electrode 1023; the width of the fourth electrode 1024 is smaller than the width of the third electrode 1023.
[0084] Figure 11 , Figure 12 The display panel shown is Figure 9 , Figure 10 The difference in the display panel shown is that, Figure 11 and Figure 12 The display panel shown has four pixel electrodes 102: a first electrode 1021, a second electrode 1022, a third electrode 1023, and a fourth electrode 1024. The third electrode 1023 is located between the first electrode 1021 and the second electrode 1022, and the fourth electrode 1024 is located on the side of the second electrode 1022 away from the third electrode 1023. The width of the fourth electrode 1024 is smaller than the width of the third electrode 1023. That is, the fourth electrode 1024 is located at the outermost edge of the display area P and has the smallest width.
[0085] During the display process, a preset timing voltage can be input to each pixel electrode 102 and the common electrode 202. Since the width of the third electrode 1023 is small, the area corresponding to the vertical component Ey of the electric field generated between the third electrode 1023 and the common electrode 202 is small. At the same time, the horizontal component Ex of the electric field generated between the first electrode 1021 and the third electrode 1023 and / or the second electrode 1022 and the third electrode 1023 is large. This allows the charged particles 301 to be directly moved to the position corresponding to the second electrode 1022, that is, one side of the pixel area P of the display panel. This prevents the charged particles 301 from accumulating at the position corresponding to the third electrode 1023 in the middle. Therefore, the aperture ratio of the pixel area P of the display panel can be increased, and the reflectivity can be increased. This can prevent the appearance of shadows in the middle of the display panel in the white display state, thereby improving the display effect and enhancing the user experience. Furthermore, since the fourth electrode 1024 is located at the outermost edge of the display area P, a preset timing voltage can be input to each pixel electrode 102 and the common electrode 202 to further move the charged particles 301 to the corresponding position of the fourth electrode 1024. Moreover, the width of the fourth electrode 1023 is small, which can further reduce the area where the charged particles 301 gather, thereby further improving the aperture ratio of the pixel area P of the display panel and improving the reflectivity.
[0086] It should be noted that the fourth electrode 1024 can also be located on the side of the first electrode 1021 away from the third electrode 1023, that is, with... Figure 11 and Figure 12The position of the fourth electrode 1024 is relative to the above. Its implementation principle is the same as described above, and can be referred to the above description. Figure 11 and Figure 12 The description of the display panel shown will not be elaborated here.
[0087] In some embodiments, such as Figure 11 and Figure 12 As shown, the sum of the widths of the fourth electrode 1024 and the second electrode 1022 is equal to the width of the first electrode 1021.
[0088] The sum of the widths of the fourth electrode 1024 and the second electrode 1022 is equal to the width of the first electrode 1021. This allows the fourth electrode 1024 and the second electrode 1022 to be combined, achieving the same effect as the first electrode 1021. Charged particles 301 can be moved to the positions corresponding to the fourth electrode 1024 and the second electrode 1022, and then further moved to the positions corresponding to the fourth electrode 1024. Since the width of the fourth electrode 1023 is the smallest, the area where charged particles 301 gather can be further reduced, thereby further improving the aperture ratio of the pixel area P of the display panel and increasing the reflectivity.
[0089] Figure 13 This is a schematic diagram of the planar structure of a third type of display panel provided in an embodiment of this disclosure. Figure 14 for Figure 13 The diagram shows a cross-sectional view of the display panel along the E-E' direction. Figure 13 and Figure 14 As shown, the pixel electrode 102 further includes a fifth electrode 1025 located on the side of the first electrode 1021 away from the third electrode 1023; the width of the fifth electrode 1025 is smaller than the width of the third electrode 1023.
[0090] Figure 13 , Figure 14 The display panel shown is Figure 11 , Figure 12 The difference in the display panel shown is that, Figure 13 and Figure 14The display panel shown has five pixel electrodes 102: a first electrode 1021, a second electrode 1022, a third electrode 1023, a fourth electrode 1024, and a fifth electrode 1025. The third electrode 1023 is located between the first electrode 1021 and the second electrode 1022. The fourth electrode 1024 is located on the side of the second electrode 1022 away from the third electrode 1023. The fifth electrode 1025 is located on the side of the first electrode 1021 away from the first electrode 1021. The widths of the fourth electrode 1024 and the fifth electrode 1025 are both smaller than the width of the third electrode 1023. That is, the fourth electrode 1024 and the fifth electrode 1025 are located at the outermost edges of the display area P on both sides, and their widths are smaller.
[0091] During the display process, voltages with preset timings can be input to each pixel electrode 102 and the common electrode 202. Due to the small width of the third electrode 1023, the area corresponding to the vertical component Ey of the electric field generated between the third electrode 1023 and the common electrode 202 is small. At the same time, the horizontal component Ex of the electric field generated between the first electrode 1021 and the third electrode 1023, the second electrode 1022 and the third electrode 1023, the first electrode 1021 and the fifth electrode 1025, and the second electrode 1022 and the fourth electrode 1024 is large. This allows the charged particles 301 to be directly moved to the positions corresponding to the first electrode 1021, the second electrode 1022, the fourth electrode 1024, and the fifth electrode 1025, i.e., the two sides of the pixel area P of the display panel. This prevents the charged particles 301 from accumulating at the position corresponding to the third electrode 1023 in the middle. Therefore, the aperture ratio of the pixel area P of the display panel can be increased, and the reflectivity can be improved. This can prevent the appearance of a shadow in the middle of the display panel in the white state, thereby improving the display effect and enhancing the user experience. Furthermore, since the fourth electrode 1024 and the fifth electrode 1025 are located at the outermost edges of the display area P, a preset timing voltage can be input to each pixel electrode 102 and the common electrode 202 to further move the charged particles 301 to the corresponding positions of the fourth electrode 1024 and the fifth electrode 1025. Moreover, since the widths of the fourth electrode 1023 and the fifth electrode 1025 are relatively small, the area where the charged particles 301 gather can be further reduced, thereby further improving the aperture ratio of the pixel area P of the display panel and increasing the reflectivity.
[0092] In some embodiments, such as Figure 13 and Figure 14 As shown, the width of the fourth electrode 1024 is equal to the width of the fifth electrode 1025.
[0093] The width of the fourth electrode 1024 is equal to the width of the fifth electrode 1025, which ensures that during the display process, the number of charged particles 301 gathered at the positions corresponding to the width of the fourth electrode 1024 and the fifth electrode 1025 is basically the same, so that the charged particles 301 in the same electrophoresis chamber can be evenly distributed on both sides, thereby improving the display effect.
[0094] In some embodiments, the spacing between adjacent pixel electrodes 102 is 10 micrometers to 20 micrometers.
[0095] The spacing between adjacent pixel electrodes 102 is 10 micrometers to 20 micrometers. For example, the spacing between the first electrode 1021 and the third electrode 1023 is 10 micrometers, and the spacing between the second electrode 1021 and the third electrode 1023 is 10 micrometers. This ensures that the lateral component Ey of the electric field between adjacent pixel electrodes 102 can move the charged particles 301, and avoids the accumulation of a large number of charged particles 301 caused by a large electric field.
[0096] Secondly, this disclosure provides a display device, which includes a display panel as provided in any of the above embodiments. Specifically, the display device can be any product or component with display functionality, such as electronic paper, electronic price tags, tablet computers, mobile phones, laptops, monitors, digital photo frames, or navigators. Its implementation principle is the same as that of the display panel provided in any of the above embodiments, and will not be repeated here.
[0097] Thirdly, this disclosure provides a driving method for a display panel. The driving method for a display panel provided in this disclosure will be described in further detail below with reference to the timing diagram and the above-described structural schematic diagram of the display panel.
[0098] Figure 15 This is a timing diagram of a first driving method for a display panel provided in an embodiment of the present disclosure. This driving method can drive... Figure 9 and Figure 10 The display panel shown is as follows: Figure 15 As shown, during the driving process of the display panel, the common electrode 202 is connected to a common voltage, and the driving process of the display panel is divided into a first longitudinal oscillation activation stage, a transverse oscillation activation stage, and a first display stage.
[0099] In the first longitudinal oscillation activation stage, a first pulse voltage V1 is input to the first electrode 1021, the second electrode 1022, and the third electrode 1023, while the common electrode 202 maintains a common voltage Vcom (which can be 0V). A longitudinal alternating electric field can be generated between the first electrode 1021, the second electrode 1022, and the third electrode 1023 and the common electrode 202, stimulating the activity of the charged particles 301. This causes the accumulated charged particles 301 (black particles) to be dispersed longitudinally and evenly distributed within the electrophoresis chamber. The state changes of the charged particles 301 within the chamber are as follows: Figure 16a As shown.
[0100] During the transverse oscillation activation phase, a second pulse voltage V2 is input to the first electrode 1021 and the second electrode 1022, while a third pulse voltage V3 is input to the third electrode 1023. The common electrode 202 maintains a common voltage Vcom (which can be 0V). The second pulse voltage V2 and the third pulse voltage V3 have opposite polarities, i.e., V3 = -V2. A transverse alternating electric field can be generated between the first electrode 1021 and the third electrode 1023, and between the second electrode 1022 and the third electrode 1023, stimulating the activity of the charged particles 301. This further disperses the charged particles 301 transversely, making them more evenly distributed within the electrophoresis chamber. The state changes of the charged particles 301 are as follows: Figure 16b As shown.
[0101] In the first display stage, a first constant voltage V01, a second constant voltage V02, and a third constant voltage V03 are input to the first electrode 1021, the second electrode 1022, and the third electrode 1023, respectively, while the common electrode 202 maintains a common voltage Vcom (which can be 0V). The first constant voltage V01 and the second constant voltage V02 are both greater than the third constant voltage V03. A transverse electric field is generated between the first electrode 1021 and the third electrode 1023, moving from the third electrode 1023 towards the first electrode 1021. Simultaneously, a transverse electric field is generated between the third electrode 1023 and the second electrode 1022, moving from the third electrode 1023 towards the second electrode 1022. Driven by the transverse electric field, charged particles 301 can move towards the first electrode 1021 and the second electrode 1022, that is, towards both sides of the pixel area P. The state changes of the charged particles 301 are as follows: Figure 16c As shown. At the same time, the width of the middle third electrode 1033 is small, which can prevent charged particles 301 from accumulating at the position corresponding to the middle third electrode 1023. Therefore, the aperture ratio of the pixel area P of the display panel can be increased, and the reflectivity can be increased. This can prevent the appearance of shadows in the middle of the display panel in the white display state, thereby improving the display effect and enhancing the user experience.
[0102] Alternatively, if the second constant voltage V02 is greater than the third constant voltage V03, and the third constant voltage V03 is greater than the first constant voltage V01, a transverse electric field can be generated between the first electrode 1021 and the third electrode 1023, moving from the first electrode 1021 towards the third electrode 1023. Simultaneously, a transverse electric field can be generated between the third electrode 1023 and the second electrode 1022, moving from the third electrode 1023 towards the second electrode 1022. Driven by the transverse electric field, the charged particle 301 can move towards the second electrode 1022, that is, towards one side (right side) of the pixel region P. The state changes of the charged particle 301 are as follows: Figure 16d As shown. At the same time, the width of the middle third electrode 1033 is small, which can prevent charged particles 301 from accumulating at the position corresponding to the middle third electrode 1023. Therefore, the aperture ratio of the pixel area P of the display panel can be increased, and the reflectivity can be increased. This can prevent the appearance of shadows in the middle of the display panel in the white display state, thereby improving the display effect and enhancing the user experience.
[0103] Figure 17 This is a timing diagram of a second driving method for a display panel provided in an embodiment of this disclosure. This driving method can drive... Figure 9 and Figure 10 The display panel shown is as follows: Figure 17 As shown, this driving method is similar to Figure 15 The difference in the driving method shown is that, Figure 15 In the timing diagram shown, during the transverse oscillation activation phase, the absolute values of the positive and negative voltages of the second pulse voltage V2 are equal, and the absolute values of the positive and negative voltages of the third pulse voltage V3 are also equal. Figure 17 In the timing sequence shown, during the transverse oscillation activation phase, the absolute values of the positive and negative voltages of the second pulse voltage V2 are not equal, and the absolute values of the positive and negative voltages of the third pulse voltage V3 are not equal. This can increase the transverse electric field between the first electrode 1021 and the third electrode 1023, as well as between the second electrode 1022 and the third electrode 1023. This can further prevent charged particles 301 from accumulating at the position corresponding to the third electrode 1023 in the middle. Therefore, it can increase the aperture ratio of the pixel area P of the display panel and increase the reflectivity, thereby avoiding the appearance of shadows in the middle of the display panel in the white display state, thus improving the display effect and enhancing the user experience.
[0104] Figure 18 This is a timing diagram of a third driving method for a display panel provided in an embodiment of the present disclosure, which can drive... Figure 11 and Figure 12 The display panel shown is as follows: Figure 18As shown, during the driving process of the display panel, the common electrode 202 is connected to a common voltage, and the driving process of the display panel is divided into a first longitudinal oscillation activation stage, a transverse oscillation activation stage, and a first display stage.
[0105] In the first longitudinal oscillation activation stage, a first pulse voltage V1 is input to the first electrode 1021, the second electrode 1022, the third electrode 1023, and the fourth electrode 1024, while the common electrode 202 maintains a common voltage Vcom (which can be 0V). A longitudinal alternating electric field can be generated between the first electrode 1021, the second electrode 1022, the third electrode 1023, and the fourth electrode 1024 and the common electrode 202, stimulating the activity of the charged particles 301. This causes the accumulated charged particles 301 (black particles) to be dispersed longitudinally and evenly distributed within the electrophoresis chamber. The state changes of the charged particles 301 within the chamber are as follows: Figure 19a As shown.
[0106] During the transverse oscillation activation phase, a second pulse voltage V2 is input to the first electrode 1021, the second electrode 1022, and the fourth electrode 1024, while a third pulse voltage V3 is input to the third electrode 1023. The common electrode 202 maintains a common voltage Vcom (which can be 0V). The second pulse voltage V2 and the third pulse voltage V3 have opposite polarities, i.e., V3 = -V2. A transverse alternating electric field can be generated between the first electrode 1021 and the third electrode 1023, and between the second electrode 1022 and the third electrode 1023, stimulating the activity of the charged particles 301. This further disperses the charged particles 301 transversely, making them more evenly distributed within the electrophoresis chamber. The state changes of the charged particles 301 are as follows: Figure 19b As shown.
[0107] In the first display stage, a first constant voltage V01, a second constant voltage V02, a third constant voltage V03, and a fourth constant voltage V04 are respectively input to the first electrode 1021, the second electrode 1022, the third electrode 1023, and the fourth electrode. The common electrode 202 maintains a common voltage Vcom (which can be 0V). The fourth constant voltage V04 is greater than the second constant voltage V02, the second constant voltage V02 is greater than the third constant voltage V03, and the third constant voltage V03 is greater than the first constant voltage V01. A transverse electric field is generated between the first electrode 1021 and the third electrode 1023 in the direction from the first electrode 1021 to the third electrode 1023. A transverse electric field is generated between the third electrode 1023 and the second electrode 1022 in the direction from the third electrode 1023 to the second electrode 1022. A transverse electric field is generated between the second electrode 1022 and the fourth electrode 1024 in the direction from the second electrode 1022 to the fourth electrode 1024. Driven by the transverse electric field, charged particles 301 can move towards the fourth electrode 1024, that is, towards one side (right side) of pixel region P. The state changes of charged particles 301 are as follows: Figure 19c As shown. At the same time, the smaller width of the fourth electrode 1024 can reduce the width of the charged particles 301 that accumulate on the fourth electrode 1024, thereby increasing the aperture ratio of the pixel area P of the display panel and improving the reflectivity. This can prevent shadows from appearing on one side of the display panel in the white display state, thereby improving the display effect and enhancing the user experience.
[0108] Figure 20 This is a timing diagram of a fourth driving method for a display panel provided in an embodiment of this disclosure, which can drive... Figure 11 and Figure 12 The display panel shown is as follows: Figure 20 As shown, the driving method is the same in the first longitudinal oscillation activation stage, the transverse oscillation activation stage, and the first display stage, and will not be described in detail here. Figure 20 The driving method shown is the same as Figure 18 The difference in the driving method shown is that, Figure 20 The driving method shown is further divided into a second longitudinal oscillation activation stage and a second display stage after the first display stage.
[0109] In the second longitudinal oscillation activation stage, a first pulse voltage V1 is input to the first electrode 1021, the second electrode 1022, the third electrode 1023, and the fourth electrode 1024, while the common electrode 202 maintains a common voltage Vcom (which can be 0V). A longitudinal alternating electric field can be generated between the first electrode 1021, the second electrode 1022, the third electrode 1023, and the fourth electrode 1024 and the common electrode 202, stimulating the activity of the charged particles 301. This further disperses the accumulated charged particles 301 (black particles) longitudinally, distributing them evenly within the electrophoresis chamber. The state changes of the charged particles 301 within the chamber are as follows: Figure 21a As shown.
[0110] In the second display stage, a fifth constant voltage V05, a sixth constant voltage V06, a seventh constant voltage V07, and an eighth constant voltage V08 are input to the first electrode 1021, the second electrode 1022, the third electrode 1023, and the fourth electrode, respectively. The common electrode 202 maintains a common voltage Vcom (which can be 0V). The eighth constant voltage V08 is greater than the sixth constant voltage V06, the sixth constant voltage V06 is greater than or equal to the seventh constant voltage V07, and the seventh constant voltage V07 is greater than or equal to the fifth constant voltage V05. For ease of control, the eighth constant voltage V08 is greater than the sixth constant voltage V06, the sixth constant voltage V06 is equal to the seventh constant voltage V07, and the seventh constant voltage V07 is equal to the fifth constant voltage V05. This ensures that a transverse electric field is generated only between the fourth electrode 1024 and the third electrode 1023. Driven by this transverse electric field, the charged particles 301 can move further towards the fourth electrode 1024, i.e., towards one side (right side) of the pixel area P. The state changes of the charged particles 301 are as follows: Figure 21b As shown. At the same time, the smaller width of the fourth electrode 1024 can reduce the width of the charged particles 301 that accumulate on the fourth electrode 1024, thereby increasing the aperture ratio of the pixel area P of the display panel and improving the reflectivity. This can prevent shadows from appearing on one side of the display panel in the white display state, thereby improving the display effect and enhancing the user experience.
[0111] Figure 22 This is a timing diagram of a fifth driving method for a display panel provided in an embodiment of the present disclosure, which can drive... Figure 13 and Figure 14 The display panel shown is as follows: Figure 22 As shown, during the driving process of the display panel, the common electrode 202 is connected to a common voltage. The driving process of the display panel is divided into a first longitudinal oscillation activation stage, a transverse oscillation activation stage, a first display stage, and a second display stage.
[0112] In the first longitudinal oscillation activation stage, a first pulse voltage V1 is input to the first electrode 1021, the second electrode 1022, the third electrode 1023, the fourth electrode 1024, and the fifth electrode 1025, while the common electrode 202 maintains a common voltage Vcom (which can be 0V). A longitudinal alternating electric field can be generated between the first electrode 1021, the second electrode 1022, the third electrode 1023, the fourth electrode 1024, and the fifth electrode 1025 and the common electrode 202, stimulating the activity of the charged particles 301. This causes the accumulated charged particles 301 (black particles) to be dispersed longitudinally and evenly distributed within the electrophoresis chamber. The state changes of the charged particles 301 within the chamber are as follows: Figure 23a As shown.
[0113] During the transverse oscillation activation phase, a second pulse voltage V2 is input to the first electrode 1021, the second electrode 1022, the fourth electrode 1024, and the fifth electrode 1025, while a third pulse voltage V3 is input to the third electrode 1023. The common electrode 202 maintains a common voltage Vcom (which can be 0V). The second pulse voltage V2 and the third pulse voltage V3 have opposite polarities, i.e., V3 = -V2. A transverse alternating electric field can be generated between the first electrode 1021 and the third electrode 1023, and between the second electrode 1022 and the third electrode 1023, stimulating the activity of the charged particles 301. This further disperses the charged particles 301 transversely, making them more evenly distributed within the electrophoresis chamber. The state changes of the charged particles 301 are as follows: Figure 23b As shown.
[0114] During the first display stage, a first constant voltage V01, a second constant voltage V02, a third constant voltage V03, a ninth constant voltage V09, and a tenth constant voltage V10 are respectively input to the first electrode 1021, the second electrode 1022, the third electrode 1023, the fourth electrode 1024, and the fifth electrode 1025, while the common electrode 202 maintains a common voltage Vcom (the common voltage Vcom can be 0V). Among them, the ninth constant voltage V09 is greater than the second constant voltage V02, the tenth constant voltage V10 is greater than the first constant voltage V01, and both the first constant voltage V01 and the second constant voltage V02 are greater than the third constant voltage V03. A transverse electric field from the first electrode 1021 to the fifth electrode 1025 can be generated between the fifth electrode 1025 and the first electrode 1021. A transverse electric field from the third electrode 1023 to the first electrode 1021 can be generated between the first electrode 1021 and the third electrode 1023. A transverse electric field from the third electrode 1023 to the second electrode 1022 can be generated between the third electrode 1023 and the second electrode 1022. A transverse electric field from the second electrode 1022 to the fourth electrode 1024 can be generated between the second electrode 1022 and the fourth electrode 1024. Driven by the transverse electric field, charged particles 301 can move towards the fourth electrode 1024 and the fifth electrode 1025, that is, move towards both sides of the pixel region P. The state changes of charged particles 301 are as follows: Figure 23c As shown.
[0115] In the second display stage, an eleventh constant voltage VV11, a twelfth constant voltage V12, a thirteenth constant voltage V13, a fourteenth constant voltage V14, and a fifteenth constant voltage V15 are respectively input to the first electrode 1021, the second electrode 1022, the third electrode 1023, the fourth electrode 1024, and the fifth electrode 1025. The common electrode 202 maintains a common voltage Vcom (which can be 0V). Among these, the fifteenth constant voltage V15 is greater than the eleventh constant voltage V11, the fourteenth constant voltage V14 is greater than the twelfth constant voltage V12, and the eleventh constant voltage V11, the twelfth constant voltage V12, and the thirteenth constant voltage V13 are the same. Thus, a transverse electric field can only be generated between the fourth electrode 1024 and the second electrode 1022, and between the fifth electrode 1025 and the first electrode 1021. Driven by the transverse electric field, charged particles 301 can move further towards the fourth electrode 1024 and the fifth electrode 1025, that is, towards both sides of the pixel region P. The state changes of charged particles 301 are as follows: Figure 23dAs shown. At the same time, the smaller width of the fourth electrode 1024 and the fifth electrode 1025 can reduce the width of the charged particles 301 accumulating on the fourth electrode 1024 and the fifth electrode 1025. Therefore, the aperture ratio of the pixel area P of the display panel can be increased, and the reflectivity can be increased. This can avoid the appearance of shadows on one side of the display panel in the white display state, thereby improving the display effect and enhancing the user experience.
[0116] Figure 24 This is a timing diagram of a sixth driving method for a display panel provided in an embodiment of this disclosure, which can drive... Figure 13 and Figure 14 The display panel shown is as follows: Figure 24 As shown, with Figure 22 Compared to the driving method shown, the driving methods in the first longitudinal oscillation activation stage, the transverse oscillation activation stage, the first display stage, and the second display stage are the same, and will not be described in detail here. Figure 24 The driving method shown is the same as Figure 22 The difference in the driving method shown is that, Figure 24 The driving method shown further divides the first display stage and the second display stage into a second longitudinal oscillation activation stage.
[0117] In the second longitudinal oscillation activation stage, a first pulse voltage V1 is input to the first electrode 1021, the second electrode 1022, the third electrode 1023, the fourth electrode 1024, and the fifth electrode 1025, while the common electrode 202 maintains a common voltage Vcom (which can be 0V). A longitudinal alternating electric field can be generated between the first electrode 1021, the second electrode 1022, the third electrode 1023, the fourth electrode 1024, and the fifth electrode 1025 and the common electrode 202, stimulating the activity of the charged particles 301. This further disperses the accumulated charged particles 301 (black particles) longitudinally, distributing them evenly within the electrophoresis chamber. The state changes of the charged particles 301 within the chamber are as follows: Figure 25 As shown.
[0118] It is understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of this disclosure, and this disclosure is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and substance of this disclosure, and these modifications and improvements are also considered to be within the scope of protection of this disclosure.
Claims
1. A display panel having a plurality of pixel areas arranged in an array, characterized in that, The display panel includes: a first substrate and a second substrate disposed opposite to each other, and charged particles located between the first substrate and the second substrate; the first substrate includes: a first base, and a plurality of pixel electrodes located on the side of the first base near the charged particles; the second substrate includes: a second base, and a common electrode located on the side of the second base away from the charged particles; The pixel electrode includes: a first electrode and a second electrode disposed in each pixel region, and a third electrode located between the first electrode and the second electrode; The width of the third electrode is less than the width of either the first electrode or the second electrode.
2. The display panel according to claim 1, characterized in that, The width of the first electrode is equal to the width of the second electrode.
3. The display panel according to claim 1, characterized in that, The pixel electrode further includes a fourth electrode located on the side of the second electrode away from the third electrode; The width of the fourth electrode is smaller than the width of the third electrode.
4. The display panel according to claim 3, characterized in that, The sum of the widths of the fourth electrode and the second electrode is equal to the width of the first electrode.
5. The display panel according to claim 3, characterized in that, The pixel electrode further includes a fifth electrode located on the side of the first electrode away from the third electrode; The width of the fifth electrode is smaller than the width of the third electrode.
6. The display panel according to claim 5, characterized in that, The width of the fourth electrode is equal to the width of the fifth electrode.
7. The display panel according to claim 1, characterized in that, The spacing between adjacent pixel electrodes is 10 micrometers to 20 micrometers.
8. The display panel according to claim 1, characterized in that, The display panel also includes: pixel barriers and electrophoretic solution; The pixel barrier is located between adjacent pixel areas; The electrophoretic solution and the charged particles are located between adjacent pixel barriers.
9. The display panel according to claim 1, characterized in that, The outer surfaces of the charged particles are all the same color.
10. A display device, characterized in that, The display device includes a display panel as described in any one of claims 1 to 9.
11. A driving method for a display panel, used to drive the display panel as described in any one of claims 1 to 9, characterized in that, During the driving process of the display panel, the common electrode is connected to a common voltage; the driving process of the display panel is sequentially divided into a first longitudinal oscillation activation stage, a transverse oscillation activation stage, and a first display stage; the driving method of the display panel includes: During the first longitudinal oscillation activation phase, a first pulse voltage is input to the first electrode, the second electrode, and the third electrode; During the transverse oscillation activation phase, a second pulse voltage is input to the first electrode and the second electrode, while a third pulse voltage with the opposite polarity to the second pulse voltage is input to the third electrode. In the first display stage, a first constant voltage, a second constant voltage, and a third constant voltage are respectively input to the first electrode, the second electrode, and the third electrode; the first constant voltage and the second constant voltage are both greater than the third constant voltage; or the second constant voltage is greater than the third constant voltage, and the third constant voltage is greater than the first constant voltage.
12. The driving method for a display panel according to claim 11, characterized in that, The absolute values of the positive and negative voltages of the second pulse voltage are not equal; The absolute values of the positive and negative voltages of the third pulse voltage are not equal.
13. The driving method for a display panel according to claim 11, characterized in that, The driving method for the display panel further includes: During the first longitudinal oscillation activation phase, a first pulse voltage is input to the fourth electrode; During the transverse oscillation activation phase, a second pulse voltage is input to the fourth electrode; In the first display stage, a fourth constant voltage is input to the fourth electrode; the fourth constant voltage is greater than the second constant voltage, the second constant voltage is greater than the third constant voltage, and the third constant voltage is greater than the first constant voltage.
14. The driving method for a display panel according to claim 13, characterized in that, The driving process of the display panel is further divided into a second longitudinal oscillation activation stage and a second display stage after the first display stage. The driving method of the display panel also includes: During the second longitudinal oscillation activation phase, a first pulse voltage is input to the first electrode, the second electrode, the third electrode, and the fourth electrode. In the second display stage, a fifth constant voltage, a sixth constant voltage, a seventh constant voltage, and an eighth constant voltage are respectively input to the first electrode, the second electrode, the third electrode, and the fourth electrode; the eighth constant voltage is greater than the sixth constant voltage, the sixth constant voltage is greater than or equal to the seventh constant voltage, and the seventh constant voltage is greater than or equal to the fifth constant voltage.
15. The driving method for a display panel according to claim 11, characterized in that, The driving process of the display panel is further divided into a second display stage after the first display stage, and the driving method of the display panel also includes: During the first longitudinal oscillation activation phase, a first pulse voltage is input to the fourth and fifth electrodes. During the transverse oscillation activation phase, a second pulse voltage is input to the fourth and fifth electrodes; In the first display stage, a ninth constant voltage and a tenth constant voltage are respectively input to the fourth electrode and the fifth electrode; the ninth constant voltage is greater than the second constant voltage, the tenth constant voltage is greater than the first constant voltage, and both the first constant voltage and the second constant voltage are greater than the third constant voltage. In the second display stage, an eleventh constant voltage, a twelfth constant voltage, a thirteenth constant voltage, a fourteenth constant voltage, and a fifteenth constant voltage are respectively input to the first electrode, the second electrode, the third electrode, the fourth electrode, and the fifth electrode; the fifteenth constant voltage is greater than the eleventh constant voltage, the fourteenth constant voltage is greater than the twelfth constant voltage, and the eleventh constant voltage, the twelfth constant voltage, and the thirteenth constant voltage are the same.
16. The driving method for a display panel according to claim 15, characterized in that, The driving process of the display panel is further divided into a second longitudinal oscillation activation stage between the first display stage and the second display stage. The driving method of the display panel also includes: During the second longitudinal oscillation activation phase, a first pulse voltage is input to the first electrode, the second electrode, the third electrode, the fourth electrode, and the fifth electrode.