Display panel and display device

Abstract

The application discloses a display panel and a display device, and relates to the technical field of display, wherein a display area comprises a main display area and edge display areas located on both sides of the main display area along a first direction; the display area comprises a plurality of pixel columns arranged along the first direction; the pixel columns comprise a plurality of first pixel columns located in the main display area; the sub-pixels contained in the same first pixel column are of the same color; the sub-pixels contained in adjacent first pixel columns are of different colors; the pixel columns further comprise second pixel columns located in the edge display areas; the sub-pixels contained in the same second pixel column are of the same color; the sub-pixels contained in the second pixel column and the first pixel column adjacent to the second pixel column are of different colors; under the same gray scale, the brightness of the second pixel column is lower than that of the first pixel column; and / or, the pixel columns further comprise third pixel columns; the third pixel columns are located on both sides of the main display area along the first direction; and the third pixel columns contain sub-pixels of at least three different colors. In this way, the edge bright line problem can be improved.

Description

Technical Field

[0001] This invention relates to the field of display technology, and more specifically, to a display panel and a display device. Background Technology

[0002] From the CRT (Cathode Ray Tube) era to the LCD (Liquid Crystal Display) era, and now to the OLED (Organic Light-Emitting Diode) and LED display era, the display industry has undergone decades of rapid development. The display industry is now inextricably linked to our lives; from traditional mobile phones, tablets, televisions, and PCs, to today's smart wearable devices, VR, automotive displays, and other electronic devices, all rely heavily on display technology.

[0003] Existing large-size LCD panels, using the standard RGB arrangement, exhibit bright lines at the edges of certain images due to the identical sub-pixel columns at the edges. These lines can appear as red lines on the left and blue lines on the right. Therefore, reducing these bright lines and improving the display effect is one of the urgent technical problems that need to be solved at present. Summary of the Invention

[0004] In view of this, the present invention provides a display panel and display device, which aim to reduce bright lines at the display edges and improve the display effect.

[0005] In a first aspect, the present invention provides a display panel including a display area, the display area including a main display area and an edge display area, the edge display areas being located on both sides of the main display area along a first direction;

[0006] The display area includes a plurality of pixel columns arranged along the first direction. The pixel columns include a plurality of first pixel columns located in the main display area. The sub-pixels contained in the same first pixel column have the same color, and the sub-pixels contained in adjacent first pixel columns have different colors.

[0007] The pixel column further includes a second pixel column located in the edge display area. The sub-pixels contained in the same second pixel column have the same color, but the sub-pixels contained in the second pixel column and its adjacent first pixel column have different colors. At the same grayscale, the brightness of the second pixel column is lower than that of the first pixel column; and / or,

[0008] The pixel column further includes a third pixel column, which is located on both sides of the main display area along the first direction, and the third pixel column contains at least three different colors of sub-pixels.

[0009] Secondly, based on the same inventive concept, the present invention provides a display device including the display panel provided in the first aspect of the present invention.

[0010] Compared with the prior art, the display panel and display device provided by the present invention achieve at least the following beneficial effects:

[0011] In the display panel and display device provided in this embodiment of the invention, a feasible improvement is to adjust the brightness of the second pixel column located in the edge display area. Without changing the actual number of pixel columns contained in the display area, the brightness of the second pixel column in the edge display area is reduced. Specifically, at the same grayscale, the brightness of the second pixel column is controlled to be lower than the pixel brightness of the first pixel column. Since the bright edge lines are caused by the emission of light from the second pixel column in the edge display area, reducing the brightness of the second pixel column is equivalent to weakening the brightness of the bright edge lines caused by the emission of light from the second pixel column, thus improving the display effect and enhancing the user experience. Another feasible improvement is to introduce a third pixel column on both sides of the main display area along a first direction. Unlike the first pixel column, the third pixel column contains at least three different colors of sub-pixels. In actual display, the sub-pixels in the third pixel column mix to form white light. Moreover, the third pixel column is located on both sides of the main display area, so the pixel column in the edge area is no longer a pixel column composed of a single solid color sub-pixel, but a third pixel column composed of three different colored sub-pixels. At this time, the sub-pixels in the edge pixel column can mix colors to form white light. This white light can neutralize the colored bright lines formed by the pixel columns adjacent to the third pixel column, which helps to weaken the edge bright lines and also helps to improve the display effect and enhance the user experience.

[0012] Of course, any product implementing this invention need not necessarily achieve all of the technical effects described above at the same time.

[0013] Other features and advantages of the invention will become clear from the following detailed description of exemplary embodiments of the invention with reference to the accompanying drawings. Attached Figure Description

[0014] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments of the invention and, together with their description, serve to explain the principles of the invention.

[0015] Figure 1 The image shown is a top view of a display panel provided in an embodiment of the present invention;

[0016] Figure 2 The diagram shown is a pixel arrangement schematic of a display panel provided in an embodiment of the present invention;

[0017] Figure 3 The diagram shown is a schematic diagram of another pixel arrangement of the display panel provided in an embodiment of the present invention;

[0018] Figure 4 The image shown is a schematic diagram of a pixel arrangement for a display panel in related technologies;

[0019] Figure 5 As shown Figure 2 A cross-sectional view of the display panel along the AA' direction;

[0020] Figure 6 The diagram shows one arrangement of pixel electrodes corresponding to a sub-pixel.

[0021] Figure 7 The diagram shows another arrangement of pixel electrodes corresponding to sub-pixels.

[0022] Figure 8 The diagram shown is a schematic diagram of another pixel arrangement of the display panel provided in an embodiment of the present invention;

[0023] Figure 9 The diagram shown is a schematic diagram of another pixel arrangement of the display panel provided in an embodiment of the present invention;

[0024] Figure 10 The diagram shown is a schematic diagram of another pixel arrangement of the display panel provided in an embodiment of the present invention;

[0025] Figure 11 The diagram shown is a schematic diagram of another pixel arrangement of the display panel provided in an embodiment of the present invention;

[0026] Figure 12 The diagram shows a connection relationship between sub-pixels in the third pixel column, sub-pixels in the first pixel column, and scan lines.

[0027] Figure 13 The diagram shows a connection relationship between sub-pixels in the third pixel column, sub-pixels in the first pixel column, and scan lines.

[0028] Figure 14 The diagram shows a detailed connection between sub-pixels in the third pixel column and sub-pixels in the first pixel column and the scan lines.

[0029] Figure 15 The diagram shows another connection relationship between the sub-pixels in the third pixel column and the sub-pixels in the first pixel column and the scan lines;

[0030] Figure 16 The diagram shown is a schematic diagram of another pixel arrangement of the display panel provided in an embodiment of the present invention;

[0031] Figure 17The diagram shown is a structural schematic of a display device provided in an embodiment of the present invention. Detailed Implementation

[0032] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the invention.

[0033] The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the invention or its application or use.

[0034] Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and equipment should be considered part of the specification.

[0035] In all the examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values.

[0036] Various modifications and variations can be made to this invention without departing from its spirit or scope, as will be apparent to those skilled in the art. Therefore, this invention is intended to cover modifications and variations falling within the scope of the corresponding claims (the claimed technical solutions) and their equivalents. It should be noted that the embodiments provided in this invention can be combined with each other without contradiction.

[0037] It should be noted that similar labels and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be discussed further in subsequent figures.

[0038] Figure 1 The image shown is a top view of a display panel provided in an embodiment of the present invention. Figure 2 The diagram shown is a pixel arrangement schematic of a display panel provided in an embodiment of the present invention. Figure 3 The diagram shown is a schematic representation of another pixel arrangement of the display panel provided in an embodiment of the present invention. Please refer to it. Figures 1 to 3 This invention provides a display panel 100, including a display area A, which includes a main display area A0 and an edge display area A1. The edge display area A1 is located on both sides of the main display area A0 along a first direction D1.

[0039] Display area A includes a plurality of pixel columns L arranged along the first direction D1. Pixel columns L include a plurality of first pixel columns L1 located in the main display area A0. Sub-pixels P contained in the same first pixel column L1 have the same color, and sub-pixels P contained in adjacent first pixel columns L1 have different colors. It should be noted that in the accompanying drawings of the present invention, the same fill is used to indicate that the corresponding sub-pixels P have the same color. When the fill is different, the corresponding sub-pixels P have different colors.

[0040] The pixel column also includes a second pixel column L2 located in the edge display area A1. The sub-pixels P contained in the same second pixel column L2 have the same color. The sub-pixels P contained in the second pixel column L2 and its adjacent first pixel column L1 have different colors. At the same grayscale, the brightness of the second pixel column L2 is lower than the brightness of the first pixel column L1; and / or,

[0041] The pixel column L also includes a third pixel column L3, which is located on both sides of the main display area A0 along the first direction D1. The third pixel column L3 contains at least three different colors of sub-pixels P.

[0042] It should be noted that, Figures 1 to 3 The illustrated embodiment only uses a rectangular display panel as an example to illustrate the display panel of the present invention, and does not limit the specific structure of the display panel of the present invention. In some other embodiments of the present invention, the shape of the display panel may also be a rounded rectangle, a circle, an ellipse, or other structures including curved edges. The present invention does not specifically limit this.

[0043] Optionally, the display panel provided in the embodiments of the present invention is a liquid crystal display panel, including an array substrate and a color filter substrate disposed opposite to each other, and liquid crystal disposed between the array substrate and the color filter substrate. For the specific film layer structure of the liquid crystal display panel, refer to the structure of related technologies. The present invention does not specifically limit it.

[0044] Please continue to refer to this. Figures 1 to 3 In the display panel provided in this embodiment of the invention, the display area A includes a main display area A0 and an edge display area A1 located on both sides of the main display area A0 along the first direction D1. The main display area A0 includes a plurality of first pixel columns L1 arranged along the first direction D1. The sub-pixels P contained in the same first pixel column L1 have the same color, and the sub-pixels P contained in adjacent first pixel columns L1 have different colors. For example, any three adjacent first pixel columns L1 can be represented as the pixel column corresponding to the red sub-pixel P, the pixel column corresponding to the green sub-pixel P, and the pixel column corresponding to the blue sub-pixel P.

[0045] Figure 4 The diagram shown illustrates a pixel arrangement of a display panel in related technologies. Along the row direction, sub-pixels P are arranged according to the pattern of red-green-blue-red-green-blue... Figure 4 For example, the leftmost edge pixel column corresponds to the red sub-pixel R, and the rightmost edge pixel column corresponds to the blue sub-pixel B. In certain specific scenarios (such as a white screen), the human eye may perceive poor edge brightness, with a red bright line appearing at the leftmost edge and a blue bright line at the rightmost edge. This affects the display quality and the user experience.

[0046] To address the above problems, the embodiments of the present invention have made the following improvements:

[0047] Please refer to Figure 2 One feasible improvement is that, in this embodiment of the invention, the brightness of the second pixel column L2 located in the edge display area A1 is adjusted. Without changing the actual number of pixel columns contained in the display area, the brightness of the second pixel column L2 in the edge display area A1 is reduced. Specifically, at the same grayscale, the brightness of the second pixel column L2 is controlled to be lower than the pixel brightness of the first pixel column L1. Since the bright edge lines are caused by the emission of light from the second pixel column L2 in the edge display area A1, reducing the brightness of the second pixel column L2 is equivalent to weakening the brightness of the bright edge lines caused by the emission of light from the second pixel column L2. Therefore, this helps to improve the display effect and enhance the user experience.

[0048] Please refer to Figure 3 Another feasible improvement is to introduce a third pixel column L3 on both sides of the main display area A0 along the first direction D1. Unlike the first pixel column L1, the third pixel column L3 contains at least three different colored sub-pixels P. In actual display, the sub-pixels P in the third pixel column L3 mix to form white light. Moreover, since the third pixel column L3 is located on both sides of the main display area A0, the pixel column in the edge area is no longer composed of a single pure color sub-pixel P, but rather the third pixel column L3, composed of three different colored sub-pixels P, acts as the edge pixel column. At this time, the sub-pixels P in the edge pixel column can mix to form white light. This white light can neutralize the colored bright lines formed by the pixel columns adjacent to the third pixel column L3, which helps to weaken the edge bright lines and also helps to improve the display effect and enhance the user experience.

[0049] It should be noted that, for Figure 2 and Figure 3 The two solutions mentioned can be used in parallel or in combination. The combination of the two solutions will be described in the following embodiments.

[0050] Figure 5 As shown Figure 2A cross-sectional view along line AA' of a display panel is shown in this embodiment. The array substrate 01 and color filter substrate 02 in the display panel are illustrated, but the specific structure of the array substrate 01 is not shown. Optionally, the color filter substrate 02 includes a substrate 00, a light-shielding layer BM, and a color resist 22. The light-shielding layer BM defines a plurality of pixel openings K, and the color resist 22 fills the pixel openings K. The pixel opening area mentioned in this embodiment refers to the area corresponding to the orthographic projection of the pixel opening K filled with color resist, defined by the light-shielding layer BM, onto the plane where the substrate 00 is located.

[0051] Please combine Figure 2 and Figure 5 In an optional embodiment of the present invention, when the pixel column includes a second pixel column L2, the pixel opening area of ​​the sub-pixel P in the second pixel column L2 is smaller than the pixel opening area of ​​the sub-pixel P in the first pixel column L1.

[0052] To achieve a lower brightness for the second pixel column L2 than the first pixel column L1 at the same grayscale, this embodiment adjusts the structure of the second pixel column L2. Specifically, the light-shielding layer BM has different occlusion areas for sub-pixels P in the first and second pixel columns L1 and L2. Less occlusion results in a larger pixel aperture area for sub-pixels P in the first pixel column L1, while more occlusion results in a smaller pixel aperture area for sub-pixels P in the second pixel column L2. Therefore, at the same grayscale, sub-pixels P with larger aperture areas will emit more light, while those with smaller aperture areas will emit less light. This makes the brightness of the second pixel column L2 lower than that of the first pixel column L1. Even if the second pixel column L2 located at the edge risks forming bright edge lines, its lower light emission will make these lines less noticeable or imperceptible to the human eye, thus improving the overall display effect of the display panel and the user experience.

[0053] To achieve a lower brightness for the second pixel column L2 compared to the first pixel column L1 at the same grayscale, this invention provides another feasible implementation method, for example, please refer to... Figure 6 , Figure 6 The diagram shows one arrangement of pixel electrodes T0 corresponding to sub-pixel P. Optionally, the liquid crystal display panel includes pixel electrodes and a common electrode. The common electrode receives a fixed voltage signal. By adjusting the voltage signal on the pixel electrode, the magnitude of the electric field between the pixel electrode and the common electrode can be changed, thereby controlling the amount of light passing through the sub-pixel corresponding to the pixel electrode. It should be noted that... Figure 6 Only one structure of the pixel electrode T0 is illustrated, and its actual structure is not limited. Figure 6 The following example illustrates the situation where the number of electrode strips of pixel electrodes T0 contained in the sub-pixels of the first pixel column L1 and the second pixel column L2 is the same.

[0054] Please refer to Figure 6 In an optional embodiment of the present invention, when the pixel column includes a second pixel column L2, the sub-pixel P included in the first pixel column L1 is the first sub-pixel P1, and the sub-pixel P included in the second pixel column L2 is the second sub-pixel P2. The pixel aperture area of ​​the first sub-pixel P1 is equal to the pixel aperture area of ​​the second sub-pixel P2. The first sub-pixel P1 includes a first pixel electrode T1, and the second sub-pixel P2 includes a second pixel electrode T2. Both the first pixel electrode T1 and the second pixel electrode T2 include at least two electrode strips. The width of a single electrode strip in the first pixel electrode T1 is equal to the width of a single electrode strip in the second pixel electrode T2. The number of electrode strips included in the first pixel electrode T1 is greater than the number of electrode strips included in the second pixel electrode T2.

[0055] For sub-pixels in a liquid crystal display panel, their display brightness is directly related to the electric field generated between the corresponding pixel electrode and the common electrode. The stronger the electric field, the higher the transmittance and the higher the brightness. When the pixel aperture area is the same and the width of a single electrode strip in different pixel electrodes is equal, the electric field strength in the sub-pixel will be directly related to the number of electrode strips contained in the pixel electrode strip. The more electrode strips contained in the pixel electrode, the stronger the electric field strength formed by the corresponding sub-pixel will be; conversely, the fewer electrode strips contained in the pixel electrode, the weaker the electric field strength formed by the corresponding sub-pixel will be. In this embodiment, the pixel aperture area of ​​the first sub-pixel P1 in the first pixel column L1 is set to be the same as the pixel aperture area of ​​the second sub-pixel P2 in the second pixel column L2. Furthermore, the width of a single electrode strip in the first pixel electrode T1 is set to be equal to the width of a single electrode strip in the second pixel electrode T2. In addition, the number of electrode strips in a single first pixel electrode T1 is set to be greater than the number of electrode strips in a single second pixel electrode T2. By reducing the number of electrode strips in the second pixel electrode T2, the electric field strength corresponding to the second sub-pixel P2 in the second pixel column L2 is weakened. Consequently, the transmittance of the second pixel column L2 is reduced, and the display brightness is correspondingly reduced. Therefore, at the same grayscale, the brightness of the second pixel column L2 is less than that of the first pixel column L1. This helps to reduce the brightness of the edge bright lines caused by the emission of light from the second pixel column L2, and also helps to improve the overall display effect and the user experience.

[0056] It should be noted that, Figure 6 In the illustrated embodiment, the electrode strips contained in the first pixel electrode T1 and the second pixel electrode T2 have the same width. Figure 6The explanation only takes the example of the first pixel electrode T1 having 3 electrode strips and the second pixel electrode T2 having 2 electrode strips, and does not limit the actual number of electrode strips contained in the first pixel electrode T1 and the second pixel electrode T2.

[0057] In one optional embodiment of the present invention, please refer to Figure 7 , Figure 7 The diagram shows another arrangement of pixel electrodes T0 corresponding to sub-pixel P. When the pixel column includes a second pixel column L2, the sub-pixel included in the first pixel column L1 is the first sub-pixel P1, and the sub-pixel included in the second pixel column L2 is the second sub-pixel P2. The pixel aperture area of ​​the first sub-pixel P1 is equal to the pixel aperture area of ​​the second sub-pixel P2. The first sub-pixel P1 includes a first pixel electrode T1, and the second sub-pixel P2 includes a second pixel electrode T2. Both the first pixel electrode T1 and the second pixel electrode T2 include at least two electrode strips, and the number of electrode strips included in the first pixel electrode T1 is equal to the number of electrode strips included in the second pixel electrode T2. The width of a single electrode strip in the first pixel electrode T1 is greater than the width of a single electrode strip in the second pixel electrode T2.

[0058] For sub-pixels in a liquid crystal display panel, their display brightness is directly related to the electric field generated between the corresponding pixel electrode and the common electrode. The stronger the electric field, the higher the transmittance and the higher the brightness. When the pixel aperture area is the same and the number of electrode strips contained in the pixel electrode is the same, the electric field strength in the sub-pixel will be directly related to the width of the electrode strips in the pixel electrode. The wider the electrode strips contained in the pixel electrode, the stronger the electric field strength formed by the corresponding sub-pixel will be; conversely, the narrower the electrode strips contained in the pixel electrode, the weaker the electric field strength formed by the corresponding sub-pixel will be. In this embodiment, the pixel aperture area of ​​the first sub-pixel P1 in the first pixel column L1 is set to be the same as the pixel aperture area of ​​the second sub-pixel P2 in the second pixel column L2. Furthermore, the number of electrode strips included in the first pixel electrode T1 is limited to be the same as the number of electrode strips included in the second pixel electrode T2. In addition, the width of a single electrode strip included in the first pixel electrode T1 is further limited to be greater than the width of a single electrode strip included in the second pixel electrode T2. Thus, by reducing the size of the electrode strips included in the second pixel electrode T2, the electric field intensity corresponding to the second sub-pixel P2 in the second pixel column L2 is weakened. The transmittance of the second pixel column L2 will also decrease, resulting in a corresponding decrease in display brightness. Consequently, at the same grayscale, the brightness of the second pixel column L2 is less than that of the first pixel column L1. This helps to reduce the brightness of edge bright lines caused by the emission of light from the second pixel column L2, and also helps to improve the overall display effect and the user experience. Figure 6 and Figure 7The illustrated embodiment demonstrates a scheme to reduce the brightness of the second pixel row L2 by differentiating the number of electrode strips contained in the first pixel electrode T1 and the second pixel electrode T2, or by differentiating the size of the electrode strips in the first pixel electrode T1 and the second pixel electrode T2. In some other embodiments of the present invention, the above scheme can also be implemented by differentiating the data voltage provided to the first pixel column L1 and the second pixel column L2. Please refer to the relevant references. Figure 2 In an optional embodiment of the present invention, when the pixel column includes a second pixel column L2, at the same gray level, the data voltage received by the sub-pixel P in the second pixel column L2 is less than the data voltage received by the sub-pixel P in the first pixel column L1. Here, the data voltage can be considered as the voltage supplied to the pixel electrode. When the data voltage supplied to the second pixel column L2 is reduced at the same gray level, the electric field strength formed between the pixel electrode and the common electrode in the area corresponding to the second pixel column L2 will be less than the electric field strength formed between the pixel electrode and the common electrode in the first pixel column L1. This results in the light transmittance of the second pixel column L2 being less than that of the first pixel column L1, thus achieving a brightness of the second pixel column L2 being less than that of the first pixel column L1 at the same gray level. When the brightness of the first pixel column L1 and the second pixel column L2 is differentiated by adjusting the data voltage, there is no need to differentiate the pixel aperture area of ​​the first pixel column L1 and the second pixel column L2, which simplifies the overall manufacturing process of the display panel.

[0059] The above embodiments illustrate a scheme to improve the edge bright lines of a display panel by differentiating the brightness of the second pixel column L2 and the first pixel column L1 under the same gray level. In some other embodiments of the present invention, the edge bright lines of the display panel can also be improved by increasing the number of pixel columns. The following will describe this scheme in conjunction with specific embodiments.

[0060] Please combine Figure 3 In an optional embodiment of the present invention, the main display area A0 includes a plurality of first pixel rows arranged along a second direction D2, the second direction D2 intersecting the first direction D1; when the pixel column L includes a third pixel column L3, along the first direction D1, a first pixel row H1 corresponds to a sub-pixel P in a third pixel column L3.

[0061] This embodiment can be seen as a case in which a third pixel column L3 is added to both sides of the main display area A0 along the first direction D1, based on the original pixel arrangement of the display panel. Figures 5 to 7The illustrated embodiment can be seen as differentiating the brightness of the second pixel column L2 located in the edge area and the first pixel column L1 located in the main display area A0 at the same grayscale without changing the actual number of pixel columns contained in the display area. If the original number of pixel columns in the display area is n, then the number of pixel columns in the improved display area is still n. The scheme of introducing a third pixel column L3 (e.g.) Figure 3 The illustrated embodiment can be seen as adding a third pixel column L3 on each side of the original pixel column in the display area. If the original number of pixel columns is n, then the number of pixel columns in the improved display area becomes n+2. It should be noted that when adding the third pixel column L3, it is not necessary to change the size of the display area itself. The space for setting the third pixel column L3 can be made by reducing the column spacing between the original pixel columns in the display area.

[0062] Continue to refer to Figure 3 When a third pixel column L3 is added to the display area, along the first direction D1, a first pixel row in the main display area A0 corresponds to a sub-pixel P in the third pixel column L3. This can be understood as the size of the sub-pixel P in the third pixel column L3 being the same as or similar to the size of the sub-pixel P in the main display area A0. Furthermore, the sub-pixels P in the third pixel column L3 and the sub-pixels P in the first pixel column L1 are both vertically arranged. Specifically, the width direction of the pixel opening of the sub-pixel P in the third pixel column L3 is the same as the width direction of the pixel opening of the sub-pixel P in the first pixel column L1, both being the first direction D1; the length direction of the pixel opening of the sub-pixel P in the third pixel column L3 is the same as the length direction of the pixel opening of the sub-pixel P in the first pixel column L1. Thus, using an opening size that is the same as or similar to that of the sub-pixel P in the first pixel column L1 to form the opening size of the sub-pixel P in the third pixel column L3 simplifies the manufacturing process of the third pixel column L3. In this embodiment, the difference between the third pixel column L3 and the first pixel column L1 is that the same third pixel column L3 includes three sub-pixels P of different colors, while the same first pixel column L1 includes only one sub-pixel P of one color. Optionally, the three sub-pixels P of different colors included in the third pixel column L3 are red sub-pixels, green sub-pixels and blue sub-pixels. In the actual display process, the three sub-pixels P of different colors in the third pixel column L3 can mix to form white light. When the first pixel column L1 adjacent to the third pixel column L3 forms a bright line during the display process, the white light of the third pixel column L3 can neutralize the bright line, thereby weakening the overall edge bright line of the display panel, which is beneficial to improving the display effect and user experience.

[0063] Continue to refer to Figure 3In an optional embodiment of the present invention, the brightness of sub-pixel P in the third pixel column L3 is less than or equal to the brightness of sub-pixel P in the first pixel column L1.

[0064] Figure 3 The illustrated embodiment shows a scheme where the pixel aperture area of ​​sub-pixel P in the third pixel column L3 is equal to the pixel aperture area of ​​sub-pixel P in the first pixel column L1. In actual manufacturing, the third pixel column L3 can use the same pixel aperture area as the first pixel column L1, which helps to simplify the manufacturing process. When the pixel aperture area of ​​sub-pixel P in the third pixel column L3 is equal to the pixel aperture area of ​​sub-pixel P in the first pixel column L1, the brightness of the third pixel column L3 will be equal to the brightness of the first pixel column L1 at the same grayscale. However, since the third pixel column L3 includes sub-pixels of red, green, and blue colors, the mixed light is white. The white light can neutralize the bright lines displayed in the first pixel column L1 adjacent to the third pixel column L3, thereby achieving the purpose of weakening the edge bright lines.

[0065] Figure 8 The diagram illustrates another pixel arrangement of the display panel provided in this embodiment of the invention. This embodiment shows a scheme for differentiating the pixel aperture area of ​​sub-pixel P in the third pixel column L3 from that of sub-pixel P in the first pixel column L1. In this embodiment, the pixel aperture area of ​​sub-pixel P in the third pixel column L3 is smaller than that of sub-pixel P in the first pixel column L1. This reduces the brightness of the third pixel column L3. When the lower-brightness white light generated by the third pixel column L3 neutralizes the colored bright lines of the adjacent first pixel column L1, the visual effect is better, the color is more uniform, and it is more conducive to improving the edge bright line problem, thereby enhancing the overall display effect and user experience.

[0066] It should be noted that, Figure 8This embodiment only illustrates the method of differentiating the pixel aperture areas of the third pixel column L3 and the first pixel column L1, i.e., the pixel aperture area of ​​the third pixel column L3 is smaller than that of the first pixel column L1. In some other embodiments of the present invention, to reduce the brightness of the third pixel column L3, it can also be achieved by reducing the number of electrode strips contained in the pixel electrodes in the third pixel column L3, while keeping the pixel aperture area and the width of the electrode strips contained in the pixel electrodes the same. Alternatively, it can be achieved by reducing the width of the electrode strips in the third pixel column L3, while keeping the pixel aperture area and the number of electrode strips contained in the pixel electrodes the same. This makes the electric field strength of the sub-pixels of the third pixel column L3 less than that of the sub-pixels of the first pixel column L1, thereby reducing the brightness of the third pixel column L3. In addition, it can also be achieved by reducing the data voltage provided to the third pixel column L3 at the same gray level, making the data voltage provided to the third pixel column L3 less than that provided to the first pixel column L1. For a scheme to differentiate the design of the third pixel column L3 and the first pixel column L1 to reduce the brightness of the third pixel column L3, please refer to... Figures 5 to 7 The scheme for differentiating the second pixel column L2 and the first pixel column L1 in the illustrated embodiment will not be elaborated further here.

[0067] Figure 9 and Figure 10 The diagram shown is another pixel arrangement of the display panel provided in the embodiment of the present invention. This embodiment shows another feasible way to implement the third pixel column L3 when adding a third pixel column L3 in the display panel.

[0068] Please refer to Figure 9 and Figure 10 In an optional embodiment of the present invention, the main display area A0 includes a plurality of first pixel rows H1 arranged along the second direction D2, the second direction D2 and the first direction D1 intersect; when the pixel column includes a third pixel column L3, along the first direction D1, one first pixel row H1 corresponds to two or three sub-pixels P in one third pixel column L3; in the third pixel column L3, the sub-pixels P corresponding to the same first pixel row H1 have different colors.

[0069] In this embodiment, when a third pixel column L3 is added, the size of the pixel opening of sub-pixel P in the third pixel column L3 is smaller than the size of the pixel opening of sub-pixel P in the first pixel column L1. Figure 9 In the illustrated embodiment, the sub-pixels P in the third pixel column L3 are arranged along the second direction D2, and the overall size of two adjacent sub-pixels P along the second direction D2 is the same as or nearly the same as the size of a sub-pixel P in the first pixel column L1 along the second direction D2; at this time, Figure 10In the illustrated embodiment, the sub-pixels P in the third pixel column L3 are arranged along the second direction D2. The overall size of three adjacent sub-pixels P along the second direction D2 is the same as or nearly the same as the size of a single sub-pixel P in the first pixel column L1 along the second direction D2. The main display area A0 is provided with multiple first pixel rows H1 arranged along the second direction D2. Along the arrangement direction of the sub-pixels P in the same first pixel row H1, i.e., the first direction D1, two or three sub-pixels P in the same third pixel column L3 correspond to that first pixel row H1. In this embodiment, when a smaller sub-pixel P along the second direction D2 is introduced into the third pixel column L3, the distance between two adjacent sub-pixels P of the same color in the third pixel column L3 will be smaller than the distance between two adjacent sub-pixels P of the same color in the first pixel column L1. Using this arrangement, when the third pixel column L3 is lit, its color will be more uniform, and the resulting white light is more effective in neutralizing the bright lines at the edges of the first pixel column L1, thus further improving the problem of bright lines at the edges of the display panel. Optionally, the smaller sub-pixels P introduced in the third pixel column L3 correspond to different pixel electrodes T0.

[0070] In the third pixel column L3, the sub-pixel P corresponding to the same first pixel row H1 has a different color, meaning that... Figure 9 For example, the two sub-pixels P in the third pixel column L3 corresponding to the first pixel row H1 can be, for example, a red sub-pixel and a green sub-pixel, or a blue sub-pixel and a red sub-pixel, or a green sub-pixel and a blue sub-pixel; Figure 10 For example, the three sub-pixels P in the third pixel column L3 that correspond to the first pixel row H1 can be, for example, red sub-pixels, green sub-pixels, and blue sub-pixels.

[0071] Figure 11 The diagram shown is a schematic representation of another pixel arrangement of the display panel provided in an embodiment of the present invention. Please refer to the diagram for further details. Figure 9 and Figure 10 ,as well as Figure 11 In an optional embodiment of the present invention, the length of the pixel opening of the sub-pixel P in the third pixel column L3 along the first direction D1 is D01, and the length of the pixel opening of the sub-pixel P in the first pixel column L1 along the second direction D2 is D02, wherein D01 is less than or equal to D02.

[0072] Please refer to Figure 9 and Figure 10 In this embodiment, the length D01 of the sub-pixel P in the third pixel column L3 along the first direction D1 is less than the length D02 of the sub-pixel P in the first pixel column L1 along the second direction D2. This is beneficial to reduce the space occupied by the newly added third pixel column L3 along the first direction D1 in the display panel.

[0073] Please refer to Figure 11 This embodiment uses the example where the length D01 of sub-pixel P in the third pixel column L3 along the first direction D1 is equal to the length D02 of sub-pixel P in the first pixel column L1 along the second direction D2. In this case, the width of sub-pixel P in the third pixel column L3 along the second direction D2 can be set to be equal to or close to the width of sub-pixel P in the first pixel column L1 along the first direction D1. The size of the newly added sub-pixel P in the third pixel column L3 will be equal to or close to the size of sub-pixel P in the first pixel column L1. The difference is that when sub-pixel P in the third pixel column L3 is placed horizontally, its long side extends along the first direction D1, while the long side of sub-pixel P in the first pixel column L1 extends along the second direction D2. When sub-pixel P in the third pixel column L3 is placed horizontally, the pixel aperture area of ​​sub-pixel P is the same as the pixel aperture area in the first pixel column L1. The display effect of the third pixel column L3 is closer to the display effect of the first pixel column L1, which helps to avoid the problem of uneven color. Furthermore, the sub-pixel P in the third pixel column L3 displays white, which can neutralize the colored bright lines caused by the first pixel column L1 in the edge area, thus achieving the effect of weakening the edge bright lines.

[0074] Figure 12 and Figure 13 The diagram shows a connection relationship between sub-pixel P in the third pixel column L3 and sub-pixel P in the first pixel column L1 and the scan line. Please refer to the diagram. Figure 12 and Figure 13 In an optional embodiment of the present invention, the display panel includes a plurality of first scan lines S1, and sub-pixels P in the same first pixel row H1 are connected to the same first scan line S1; the display panel also includes a second scan line S2 connected to the sub-pixel P in the third pixel column L3, and the second scan line S2 connected to the sub-pixel P in the third pixel column L3 corresponding to the same first pixel row H1 is electrically connected to the first scan line S1 corresponding to the first pixel row H1.

[0075] When a third pixel column L3 is introduced into the display panel, and along the first direction D1, a first pixel row H1 corresponds to two or three sub-pixels P in a third pixel column L3, different sub-pixels P in the same third pixel column L3 correspond to different second scan lines S2. That is, when the third pixel column L3 is introduced, the number of second scan lines S2 corresponding to the third pixel column L3 and the number of sub-pixels P contained in the third pixel column L3 are the same. The first scan line S1 corresponding to the same first pixel row H1 and the second scan line S2 corresponding to the sub-pixel P in the third pixel column L3 corresponding to the first pixel row H1 are all connected. That is, the first pixel row H1 and the sub-pixel P in the third pixel column L3 corresponding to the first pixel row H1 receive the same scan control signal. Optionally, the scan line obtains the scan control signal through the gate driving circuit. Therefore, the way of electrically connecting the corresponding first scan line S1 and second scan line S2 makes it possible to simplify the overall structure of the display panel without increasing the number of gate driving circuits even when the third pixel column L3 is introduced into the display panel.

[0076] Continue to refer to Figure 12 and Figure 13 In an optional embodiment of the present invention, sub-pixels P in the same third pixel column L3 are electrically connected to different second scan lines S2, and the extension direction of each second scan line S2 is the same as the extension direction of the first scan line S1; it also includes a connecting part 10, through which different second scan lines S2 are electrically connected to the corresponding first scan line S1, and the extension direction of the connecting part 10 intersects with the extension direction of the first scan line S1.

[0077] When a third pixel column L3 is introduced into the display panel, and a first pixel row H1 in the main display area A0 corresponds to two or three sub-pixels P in the third pixel column L3, the extension direction of the two or three third scan lines corresponding to the sub-pixels P in the third pixel column L3 can be set to be the same as the extension direction of the first scan line S1. Optionally, the first scan line S1 and the second scan line S2 are manufactured in the same layer and with the same process, so that the manufacturing of the second scan line S2 can be completed during the manufacturing process of the first scan line S1, without introducing a new process for the second scan line S2, thus simplifying the manufacturing process of the display panel. At this time, a connecting part 10 can be introduced between the first scan line S1 and its corresponding second scan line S2, and the second scan line S2 and the first scan line S1 are electrically connected through the connecting part 10. Optionally, the extension direction of the connecting part 10 is the second direction D2, which facilitates the connection between the connecting part 10 and the first scan line S1, and between the connecting part 10 and the second scan line S2.

[0078] It should be noted that, although Figure 12 and Figure 13Not shown, but it is understood that when each small sub-pixel in the third pixel column L3 corresponds to a second scan line S2, the small sub-pixels are connected to the scan lines via different transistors, for example, please refer to [reference needed]. Figure 14 During scanning, the three transistors corresponding to the third pixel column L3 in the same first pixel row H1 are simultaneously turned on, and the corresponding three sub-pixels are displayed simultaneously. Figure 14 The diagram shows a detailed connection between the subpixels in the third pixel column and the subpixels in the first pixel column and the scan lines.

[0079] Optionally, the connecting part 10 can be manufactured in the same layer and process as the first scan line S1 and the second scan line S2. In this way, the first scan line S1, the second scan line S2 and the connecting part 10 can be manufactured and connected to each other in the same process, without the need to introduce a separate connecting process, which helps to simplify the overall process of the display panel.

[0080] Optionally, when the first scan line S1 and the second scan line S2 are in the same layer and with the same process, the connecting part 10 can be disposed in a film layer different from the first scan line S1 and the second scan line S2, and the connection between the connecting part 10 and the first scan line S1, and between the connecting part 10 and the second scan line S2 can be achieved by drilling holes.

[0081] Continue to refer to Figure 12 and Figure 13 In an optional embodiment of the present invention, the display panel includes multiple data lines 90 extending along the second direction D2, and sub-pixels P in the same third pixel column L3 are connected to the same data line 90. When a third pixel column L3 is added to the display panel, and the same first pixel row H1 along the first direction D1 corresponds to two or three sub-pixels P in a third pixel column L3, it is not necessary to introduce different data lines 90 for different sub-pixels P in the third pixel column L3. The same third pixel column L3 only needs to correspond to one data line 90. When scanning a certain first pixel row H1, the two or three sub-pixels P in the third pixel column L3 corresponding to the first pixel row H1 will simultaneously perform the display function, and it is also possible to achieve that the third pixel column L3 is displayed as white at a certain gray level. Thus, when a third pixel column L3 is added to the display panel, only the same number of data lines 90 as the third pixel column L3 need to be added. There is no need to introduce data lines 90 for each sub-pixel P in the third pixel column L3. Therefore, it is beneficial to reduce the total number of data lines 90 in the display panel when the third pixel column L3 is introduced into the display panel, which helps to simplify the overall wiring structure of the display panel.

[0082] It should be noted that the above embodiment illustrates a scheme where each sub-pixel in the third pixel column L3 corresponds to a second scan line S2. In some other embodiments of the present invention, in the third pixel column L3, the sub-pixel corresponding to the first pixel row H1 can also share the same first scan line S1 with other sub-pixels in the first pixel row. For example, please refer to... Figure 15 , Figure 15 The diagram shows another connection relationship between sub-pixel P in the third pixel column L3 and sub-pixel P in the first pixel column L1 and the scan line. The pixel electrodes of the three sub-pixels in the third pixel column L3 corresponding to the same first pixel row H1 can be electrically connected and connected to the same transistor 30. Then, through the transistor 30, they are electrically connected to the first scan line S1. In this way, when scanning the first pixel row H1, the scanning of the three small sub-pixels in the third pixel column L3 corresponding to the first pixel row H1 can be realized simultaneously. The same third pixel column L3 can be electrically connected to the same data line 90. This structure helps to simplify the number of transistors corresponding to the sub-pixels in the third pixel column L3 and simplify the panel structure.

[0083] Figure 16 The diagram shown is a schematic representation of another pixel arrangement of the display panel provided in an embodiment of the present invention. Please refer to it. Figure 16 In an optional embodiment of the present invention, when the pixel column includes both the second pixel column L2 and the third pixel column L3, the second pixel column L2 is located between the first pixel column L1 and the third pixel column L3 along the first direction D1.

[0084] Specifically, this embodiment illustrates a scheme in which a second pixel column L2 and a third pixel column L3 coexist in a display panel. The second pixel column L2 mentioned here refers to a pixel column that is designed differently from the first pixel column L1 in the main display area A0 and is located on the periphery of the main display area A0. The scheme with the second pixel column L2 can be compared with... Figures 5 to 7 The scheme for the second pixel column L2 in the illustrated embodiment corresponds to that of the third pixel column L3. Figure 3 , Figures 8 to 11The illustrated embodiment corresponds to the scheme of the third pixel column L3. When the pixel column includes both the second pixel column L2 and the third pixel column L3, it is equivalent to adding the third pixel column L3 at the edge of the display area. At the same time, the second pixel column L2 located on both sides of the main display area A0 is differentiated from the first pixel column L1 in the main display area A0. The brightness of the second pixel column L2 is lower than that of the first pixel column L1, thereby reducing the bright lines caused by the emission of the second pixel column L2. Meanwhile, the third pixel column L3 is introduced around the second pixel column L2. The third pixel column L3 emits white light, which can neutralize the already weak bright lines, thus helping to eliminate the bright lines. The combination of the second pixel column L2 and the third pixel column L3 is more conducive to improving the problem of edge bright lines, and therefore more conducive to improving the overall display effect of the display panel. Furthermore, when the display panel includes both the second pixel column L2 and the third pixel column L3, the adjustment method is more flexible. By adjusting the brightness of the second pixel column L2 and the third pixel column L3 respectively, the display effect of the outer part of the main display area is closer to that of the main display area, resulting in better continuity, more natural visual effects, and thus achieving better visual effects.

[0085] Figure 17 The diagram shown is a structural schematic of a display device provided in an embodiment of the present invention. Based on the same inventive concept, the present invention also provides a display device 200, which includes the display panel 100 in any of the above embodiments.

[0086] The display device 200 provided in this embodiment of the invention can be any electronic device with display function, such as a touch screen, mobile phone, tablet computer, laptop computer, e-reader, or television. The display device 200 provided in this embodiment of the invention has the beneficial effects of the display panel 100 provided in this embodiment of the invention. For details, please refer to the specific descriptions of the display panel 100 in the above embodiments; these descriptions will not be repeated here.

[0087] Understandable, Figure 17 The shape of the display device 200 is illustrated using only a rounded rectangle structure as an example. In some other embodiments of the present invention, the display device 200 may also be embodied as a rectangle, a circle, an ellipse or any other feasible shape. The present invention does not specifically limit this.

[0088] As can be seen from the above embodiments, the display panel and display device provided by the present invention achieve at least the following beneficial effects:

[0089] In the display panel and display device provided in this embodiment of the invention, a feasible improvement is to adjust the brightness of the second pixel column located in the edge display area. Without changing the actual number of pixel columns contained in the display area, the brightness of the second pixel column in the edge display area is reduced. Specifically, at the same grayscale, the brightness of the second pixel column is controlled to be lower than the pixel brightness of the first pixel column. Since the bright edge lines are caused by the emission of light from the second pixel column in the edge display area, reducing the brightness of the second pixel column is equivalent to weakening the brightness of the bright edge lines caused by the emission of light from the second pixel column, thus improving the display effect and enhancing the user experience. Another feasible improvement is to introduce a third pixel column on both sides of the main display area along a first direction. Unlike the first pixel column, the third pixel column contains at least three different colors of sub-pixels. In actual display, the sub-pixels in the third pixel column mix to form white light. Moreover, the third pixel column is located on both sides of the main display area, so the pixel column in the edge area is no longer a pixel column composed of a single solid color sub-pixel, but a third pixel column composed of three different colored sub-pixels. At this time, the sub-pixels in the edge pixel column can mix colors to form white light. This white light can neutralize the colored bright lines formed by the pixel columns adjacent to the third pixel column, which helps to weaken the edge bright lines and also helps to improve the display effect and enhance the user experience.

[0090] While specific embodiments of the invention have been described in detail by way of examples, those skilled in the art should understand that the examples are for illustrative purposes only and not intended to limit the scope of the invention. Those skilled in the art should understand that modifications can be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. A display panel, characterized in that, It includes a display area, which comprises a main display area and an edge display area, wherein the edge display area is located on both sides of the main display area along a first direction; The display area includes a plurality of pixel columns arranged along the first direction. The pixel columns include a plurality of first pixel columns located in the main display area. The sub-pixels contained in the same first pixel column have the same color, and the sub-pixels contained in adjacent first pixel columns have different colors. The pixel column further includes a second pixel column located in the edge display area. The sub-pixels contained in the same second pixel column are of the same color. The sub-pixels contained in the second pixel column and its adjacent first pixel column are of different colors. At the same grayscale, the brightness of the second pixel column is lower than that of the first pixel column. The pixel column also includes a third pixel column located on both sides of the main display area along the first direction. The third pixel column contains at least three different colors of sub-pixels, or... The pixel column further includes a third pixel column, which is located on both sides of the main display area along the first direction, and the third pixel column contains at least three different colors of sub-pixels.

2. The display panel according to claim 1, characterized in that, When the pixel column includes the second pixel column, the pixel aperture area of ​​the sub-pixels in the second pixel column is smaller than the pixel aperture area of ​​the sub-pixels in the first pixel column.

3. The display panel according to claim 1, characterized in that, When the pixel column includes the second pixel column, the sub-pixels included in the first pixel column are first sub-pixels, and the sub-pixels included in the second pixel column are second sub-pixels. The pixel aperture area of ​​the first sub-pixel is equal to the pixel aperture area of ​​the second sub-pixel. The first sub-pixel includes a first pixel electrode, and the second sub-pixel includes a second pixel electrode. Both the first pixel electrode and the second pixel electrode include at least two electrode strips. The width of a single electrode strip in the first pixel electrode is equal to the width of a single electrode strip in the second pixel electrode. The number of electrode strips in the first pixel electrode is greater than the number of electrode strips in the second pixel electrode.

4. The display panel according to claim 1, characterized in that, When the pixel column includes the second pixel column, the sub-pixels included in the first pixel column are first sub-pixels, and the sub-pixels included in the second pixel column are second sub-pixels. The pixel aperture area of ​​the first sub-pixel is equal to the pixel aperture area of ​​the second sub-pixel. The first sub-pixel includes a first pixel electrode, and the second sub-pixel includes a second pixel electrode. Both the first pixel electrode and the second pixel electrode include at least two electrode strips, and the number of electrode strips included in the first pixel electrode is equal to the number of electrode strips included in the second pixel electrode. The width of a single electrode strip in the first pixel electrode is greater than the width of a single electrode strip in the second pixel electrode.

5. The display panel according to claim 1, characterized in that, When the pixel column includes the second pixel column, at the same gray level, the data voltage received by the sub-pixels in the second pixel column is less than the data voltage received by the sub-pixels in the first pixel column.

6. The display panel according to claim 1, characterized in that, The main display area includes a plurality of first pixel rows arranged along a second direction, the second direction intersecting the first direction; When the pixel column contains the third pixel column, along the first direction, a first pixel row corresponds to a sub-pixel in a third pixel column.

7. The display panel according to claim 6, characterized in that, The brightness of the sub-pixels in the third pixel column is less than or equal to the brightness of the sub-pixels in the first pixel column.

8. The display panel according to claim 1, characterized in that, The main display area includes a plurality of first pixel rows arranged along a second direction, the second direction intersecting the first direction; When the pixel column includes the third pixel column, along the first direction, one first pixel row corresponds to two or three sub-pixels in one third pixel column; in the third pixel column, the sub-pixels corresponding to the same first pixel row have different colors.

9. The display panel according to claim 8, characterized in that, The length of the pixel opening of the sub-pixel in the third pixel column along the first direction is D01, and the length of the pixel opening of the sub-pixel in the first pixel column along the second direction is D02, wherein D01 is less than or equal to D02.

10. The display panel according to claim 8, characterized in that, The display panel includes multiple first scan lines, and sub-pixels in the same first pixel row are connected to the same first scan line; The display panel further includes a second scan line connected to the sub-pixels in the third pixel column. The second scan line connected to the sub-pixels corresponding to the same first pixel row in the third pixel column is electrically connected to the first scan line corresponding to the first pixel row.

11. The display panel according to claim 10, characterized in that, The sub-pixels in the same third pixel column are electrically connected to different second scan lines, and the extension direction of each second scan line is the same as the extension direction of the first scan line. It also includes a connecting part, through which different second scan lines are electrically connected to the corresponding first scan lines, and the extending direction of the connecting part intersects with the extending direction of the first scan line.

12. The display panel according to claim 8, characterized in that, The display panel includes multiple data lines extending along the second direction, and sub-pixels in the same third pixel column are connected to the same data line.

13. The display panel according to claim 1, characterized in that, When the pixel column includes both the second pixel column and the third pixel column, the second pixel column is located between the first pixel column and the third pixel column along the first direction.

14. A display device, characterized in that, The display panel includes any one of claims 1 to 13.

Images