Display panel and display device

Abstract

A display panel includes a first filter and other filters of different colors, the first filter and the adjacent filters of different colors are mutually overlapped, the part between the light transmission opening and the corresponding overlapping opening of the first filter is an overlapping part, and the areas of at least some of the overlapping parts are different. By controlling the areas of the different overlapping parts, the light transmission areas of the different light transmission openings can be adjusted, the light transmission amounts of the light transmission openings corresponding to the first filter or the filters of the same color are made different, the reflected light of the ambient light produces interference cancellation effect when passing through the different light transmission openings, and the color separation phenomenon in the visual effect is weakened or eliminated. The application also provides a display device comprising the display panel.

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] By forming a color filter layer on the encapsulation layer (COE, Color On Encapsulation), the polarizer is removed, making the display panel thinner, increasing light transmittance, and thus reducing power consumption.

[0003] Ambient light reflected at the edge of the light-transmitting opening will diffract. Since different colors of light have different wavelengths, different colors of light will produce different diffracted light waves. The diffracted light waves from different light-transmitting openings will interfere and enhance to form diffraction rings of different colors, resulting in color separation in the visual effect.

[0004] It should be noted that the information disclosed in the background section above is only used to enhance the understanding of the background of the present invention, and therefore may include information that does not constitute prior art known to those skilled in the art. Summary of the Invention

[0005] The purpose of this invention is to overcome the problem of color separation in visual effects and to provide a display panel and display device.

[0006] According to one aspect of the present invention, a display panel is provided, the display panel including a driving back plate, a light-shielding layer, and a light-filtering layer. The light-shielding layer is disposed on one side of the driving back plate and has different types of light-transmitting openings. The light-filtering layer includes a first light-filtering portion and other light-filtering portions of different colors, which are disposed within different light-transmitting openings. The first light-filtering portion is disposed on the side of the light-shielding layer away from the driving back plate and has different types of overlapping openings. The orthographic projection of the overlapping openings on the driving back plate is respectively located within the orthographic projection of the corresponding light-transmitting opening on the driving back plate. The other light-filtering portions of different colors are respectively disposed within different types of overlapping openings. The color of the other light-filtering portions is different from the color of the first light-filtering portion. The first light-filtering portion overlaps with adjacent other light-filtering portions of different colors. The portion of the first light-filtering portion located between the edge of the light-transmitting opening and the edge of the corresponding overlapping opening forms an overlapping portion. The overlapping portion includes at least two different overlapping portions, and in the same overlapping portion, at least some of the different overlapping portions have different area sizes.

[0007] In one embodiment of the present invention, the other filtering parts include a second filtering part and a third filtering part, and the light-transmitting openings include a first light-transmitting opening, a second light-transmitting opening and a third light-transmitting opening. The orthographic projection of the first light-transmitting opening on the driving back plate is located within the orthographic projection of the first filtering part on the driving back plate, the orthographic projection of the second light-transmitting opening on the driving back plate is located within the orthographic projection of the second filtering part on the driving back plate, and the orthographic projection of the third light-transmitting opening on the driving back plate is located within the orthographic projection of the third filtering part on the driving back plate.

[0008] In one embodiment of the present invention, the filter layer is provided with m×n groups of light-transmitting openings, the m groups of light-transmitting openings extending along a first direction and arranged along a second direction, the n groups of light-transmitting openings extending along the second direction and arranged along the first direction, the light-transmitting openings of the same m group are divided into two rows, the two rows of light-transmitting openings are arranged alternately, one row of light-transmitting openings consists of alternating first light-transmitting openings and third light-transmitting openings, the other row consists of second light-transmitting openings, the second light-transmitting openings are located between the first light-transmitting openings and the third light-transmitting openings along the first direction; the n groups of light-transmitting openings extending along the second direction and arranged along the first direction are divided into two columns, the two columns of light-transmitting openings are arranged alternately, one column of light-transmitting openings consists of alternating first light-transmitting openings and third light-transmitting openings, the other column consists of second light-transmitting openings, the second light-transmitting openings are located between the first light-transmitting openings and the third light-transmitting openings along the second direction.

[0009] In one embodiment of the present invention, the overlapping opening includes a first overlapping opening and a second overlapping opening, a second filter portion is located within the first overlapping opening, a third filter portion is located within the second overlapping opening, the portion of the first filter portion located between the second light-transmitting opening and the first overlapping opening is the first overlapping portion, and the portion of the first filter portion located between the third light-transmitting opening and the second overlapping opening is the second overlapping portion.

[0010] In one embodiment of the present invention, along the extending direction of the edge of the light-transmitting opening, in the same overlapping portion, at least one segment of different overlapping portions has a different width.

[0011] In one embodiment of the present invention, the shape of the overlapping opening is the same as the shape of the light-transmitting opening, the extension direction of the edge of the light-transmitting opening, the overall width of different overlapping parts is different, and at the same position on the edge of different light-transmitting openings, the width difference between any two overlapping parts is always equal.

[0012] In one embodiment of the present invention, the shape of the overlapping opening is different from the shape of the light-transmitting opening. The width of the overlapping portion varies along the extension direction of the edge of the light-transmitting opening. At the same position on the edge of different light-transmitting openings, the width difference between any two overlapping portions is different.

[0013] In one embodiment of the invention, the same overlapping openings have the same shape and size, and at least one overlapping opening is rotated by a different angle relative to the first direction.

[0014] In one embodiment of the present invention, different overlapping openings have different shapes within the same type of overlapping opening.

[0015] In one embodiment of the present invention, in the same m groups of light-transmitting openings, the width of the first overlapping portion and / or the width of the second overlapping portion are different from each other, and in the same n groups of light-transmitting openings, the width of the first overlapping portion and / or the width of the second overlapping portion are different from each other.

[0016] In one embodiment of the present invention, in the same type of light-transmitting opening, the width d of two adjacent overlapping parts of the same type satisfies: d2 = d1 + t; wherein, the width of the overlapping part with the smaller width is d1, the width of the overlapping part with the larger width is d2, and the width interval of two adjacent overlapping parts of the same type is t; in the same m groups of light-transmitting openings, two overlapping parts of the same type with different sizes are randomly distributed, and in the same n groups of light-transmitting openings, two overlapping parts of the same type with different sizes are randomly distributed.

[0017] In one embodiment of the present invention, the display panel further includes a pixel defining layer, which is disposed between the light-shielding layer and the driving back plate. The pixel defining layer has different pixel openings, and the area between two adjacent pixel openings is a pixel definition portion. The orthographic projection of the overlapping portion on the driving back plate is located within the orthographic projection of the pixel definition portion on the driving back plate.

[0018] In one embodiment of the present invention, the width of the overlapping portion is 0.5%-25% of the width of the pixel definition portion, and the width interval value is 0.5%-15% of the width of the pixel definition portion.

[0019] In one embodiment of the present invention, the width of the overlapping portion is 0.1 micrometer to 6 micrometers, and the width interval is 0.1 micrometer to 3 micrometers.

[0020] In one embodiment of the present invention, the first overlapping opening and / or the second overlapping opening are rotated by a first angle relative to the first direction. In the same m groups of light-transmitting openings, the first angles of the first overlapping openings are different from each other. In the same n groups of light-transmitting openings, the first angles of the first overlapping openings are different from each other.

[0021] In one embodiment of the present invention, the shape of the orthographic projection of the first overlapping opening on the drive back plate is an ellipse, and the angle between the major axis of the ellipse and the row direction is a first angle.

[0022] In one embodiment of the present invention, the first angle θ of two overlapping openings with adjacent angles satisfies: θ2=θ1+a; wherein, the first angle of the overlapping opening with the smaller angle is θ1, the first angle of the overlapping opening with the larger angle is θ2, 0<θ1<θ2≤360, and the interval between the first angles of two overlapping openings with adjacent angles is a, 0<S≤360; in the m×n groups of light-transmitting openings, overlapping openings with different first angles are randomly distributed.

[0023] In one embodiment of the present invention, the sum of the first angles of the overlapping openings in the same m groups of light-transmitting openings and / or the same n groups of light-transmitting openings is 50 degrees to 360 degrees.

[0024] In one embodiment of the present invention, the orthographic projection of the pixel opening on the driving back plate is located within the orthographic projection of the light-transmitting opening on the driving back plate. The pixel opening includes a first pixel opening. The distance between the edge of the orthographic projection of each first light-transmitting opening on the driving back plate and the edge of the orthographic projection of each first pixel opening on the driving back plate forms a different first distance, at least some of the first distances are different.

[0025] In one embodiment of the present invention, the first filter is green, the second filter is red, and the third filter is blue.

[0026] In one embodiment of the present invention, the color of the first filter is red, the color of the second filter is green, and the color of the third filter is blue.

[0027] In one embodiment of the present invention, the first filter is blue, the second filter is red, and the third filter is green.

[0028] In one embodiment of the present invention, the display panel further includes a first cover layer, the first cover layer including a plurality of spaced-apart first cover portions, the first cover portions being disposed between the pixel defining layer and the light-shielding layer, a dimming opening being formed between the sides of the first cover portions that are close to each other, the slope angle of the side of the first cover portion being less than 90 degrees, a first filter portion and other filters of different colors being disposed in different dimming openings, the first filter portion and other filters of different colors covering the side of the first cover portion, the orthographic projection of the dimming opening on the driving back panel covering the orthographic projection of the pixel opening on the driving back panel, and the refractive index of the first filter portion and other filters of different colors being greater than the refractive index of the first cover portion.

[0029] In one embodiment of the present invention, a light-shielding portion is formed between adjacent light-transmitting openings, and other light-filtering portions cover the side of the first covering portion away from the drive back plate and the first region of the side of the light-shielding portion away from the drive back plate. The first light-filtering portion covers the side of the first covering portion away from the drive back plate and the second region of the side of the light-shielding portion away from the drive back plate, and extends along the second region to overlap with the side of the other light-filtering portions away from the drive back plate. The first light-filtering portion overlaps with other adjacent light-filtering portions of different colors. The portion of the first light-filtering portion located between the edge of the light-transmitting opening and the edge of the overlapping opening is the overlapping portion.

[0030] In one embodiment of the present invention, the display panel further includes an encapsulation layer and a first touch control layer. The encapsulation layer is disposed on the side of the pixel defining layer away from the driving backplane. The first touch control layer is disposed between the encapsulation layer and the first cover layer. The first touch control layer includes a plurality of first touch units, which are spaced apart. The first cover portion covers the first touch units. The orthographic projection of the first touch unit on the driving backplane is located within the orthographic projection of the light-shielding layer on the driving backplane.

[0031] According to another aspect of the present invention, a display device is provided, comprising the display panel provided in any of the above aspects of the present invention.

[0032] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit the invention. Attached Figure Description

[0033] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention. It is obvious that the drawings described below are merely some embodiments of the invention, and those skilled in the art can obtain other drawings based on these drawings without any inventive effort.

[0034] Figure 1 A cross-sectional schematic diagram of the display panel according to an embodiment of the present invention, wherein a color filter layer is provided on the side of the encapsulation layer away from the driving backplane.

[0035] Figure 2 A cross-sectional schematic diagram of a display panel according to an embodiment of the present invention, wherein a first cover layer is provided on the side of the touch electrode layer away from the driving back plate.

[0036] Figure 3 for Figure 2 and Figure 1 A diagram illustrating the effect of diffraction apertures formed by the enhanced interference of diffracted light waves through different light-transmitting openings.

[0037] Figure 4A cross-sectional schematic diagram of a display panel according to an embodiment of the present invention, wherein the first filter is green and the first filter overlaps with other adjacent filter elements of different colors.

[0038] Figure 5 Another cross-sectional view of the display panel according to an embodiment of the present invention, where the first filter is green and overlaps with other adjacent filter elements of different colors.

[0039] Figure 6 The first filter is green, and the first filter overlaps with other filter elements of different colors. When the widths of different overlapping parts in the same overlapping part are different, this is a planar schematic diagram of the display panel involved in the embodiment of the present invention.

[0040] Figure 7 This is a planar schematic diagram of the light-shielding layer involved in an embodiment of the present invention.

[0041] Figure 8 This is a planar schematic diagram of the first covering layer according to an embodiment of the present invention.

[0042] Figure 9 This is a planar schematic diagram of the pixel delimiting layer involved in an embodiment of the present invention.

[0043] Figure 10 A planar schematic diagram of the first filter portion and the overlapping portion in an embodiment of the present invention, wherein the first filter portion is green and the first overlapping opening is rotated at different angles relative to the first direction.

[0044] Figure 11 This is a planar schematic diagram of the second and third filter portions in an embodiment of the present invention, where the second filter portion is red and the third filter portion is blue.

[0045] Figure 12 The first filter is green, and the first filter overlaps with other filter elements of different colors. When the widths of different overlapping parts in the same overlapping part are different, this is a partial planar schematic diagram of the display panel involved in the embodiment of the present invention.

[0046] Figure 13 A cross-sectional schematic diagram of the display panel according to an embodiment of the present invention, wherein the first filter is red and the first filter overlaps with other adjacent filter elements of different colors.

[0047] Figure 14 A schematic plan view of the display panel according to an embodiment of the present invention, wherein the first filter is red, the first filter overlaps with other adjacent filter elements of different colors, and the first overlapping opening is rotated at different angles relative to the first direction.

[0048] Figure 15 A planar schematic diagram of the first filter portion and the overlapping portion in an embodiment of the present invention, wherein the first filter portion is red and the first overlapping opening is rotated at different angles relative to the first direction.

[0049] Figure 16 This is a planar schematic diagram of the second and third filter portions in an embodiment of the present invention, where the second filter portion is green and the third filter portion is blue.

[0050] Figure 17 A partial planar schematic diagram of the display panel involved in this embodiment of the invention is shown, wherein the first filter is red, the first filter overlaps with other adjacent filter elements of different colors, and the first overlapping opening is rotated at different angles relative to the first direction.

[0051] Figure 18 A cross-sectional schematic diagram of the display panel according to an embodiment of the present invention, wherein the first filter is blue and the first filter overlaps with other adjacent filter elements of different colors.

[0052] Figure 19 The first filter element is blue, and the first filter element overlaps with other filter elements of different colors adjacent to it. When the first overlapping opening is rotated at different angles relative to the first direction, this is a planar schematic diagram of the display panel involved in the embodiment of the present invention.

[0053] Figure 20 A planar schematic diagram of the first filter portion and the overlapping portion involved in the embodiment of the present invention, wherein the first filter portion is blue and the first overlapping opening is rotated at different angles relative to the first direction.

[0054] Figure 21 This is a planar schematic diagram of the second and third filter portions in an embodiment of the present invention, where the second filter portion is red and the third filter portion is green.

[0055] Figure 22 The first filter element is blue, and the first filter element overlaps with other filter elements of different colors adjacent to it. When the first overlapping opening is rotated at different angles relative to the first direction, this is a partial planar schematic diagram of the display panel involved in the embodiment of the present invention.

[0056] Figure 23 A partial planar schematic diagram of the display panel involved in this embodiment of the invention, where the first overlapping opening is set to an elliptical and circular random arrangement.

[0057] Figure 24 A planar schematic diagram of the display panel involved in the embodiments of the present invention, for different sizes of the first distance.

[0058] Figure 25A partial planar schematic diagram of the display panel involved in the embodiments of the present invention, when the size of the first distance is different.

[0059] Figure 26 for Figures 4 to 25 A diagram illustrating the effect of the diffraction aperture formed by the destructive interference of diffracted light waves with different overlapping apertures.

[0060] Figure 27 When the light diffuses gradually outward from the center of the diffraction aperture along the radial direction, Figure 1 and Figure 2 The curve showing the relationship between radius and light intensity, and Figures 3 to 25 A comparison of the curves showing the relationship between the radius of curvature and light intensity.

[0061] Explanation of reference numerals in the attached figures:

[0062] 10-Drive backplane, 11-Substrate, 12-Buffer layer;

[0063] 13-Driver circuit layer, 131-Active layer, 1321-First gate insulating layer, 1322-Second gate insulating layer, 1331-First gate, 1332-Second gate, 134-Interlayer dielectric layer, 135-First source, 136-Drain, 137-Protective layer, 138-Second source;

[0064] 139-Planning layer group, 1391-First planarization layer, 1392-Second planarization layer;

[0065] 15-Pixel boundary layer, 151-Pixel opening, 1511-First pixel opening, 1512-Second pixel opening, 1513-Third pixel opening;

[0066] 16-Light-emitting layer, 161-Pixel electrode, 162-Light-emitting unit, 1621-First light-emitting unit, 1622-Second light-emitting unit, 1623-Third light-emitting unit, 163-Common electrode;

[0067] 17-Encapsulation layer, 171-First inorganic encapsulation layer, 172-Organic encapsulation layer, 173-Second inorganic encapsulation layer;

[0068] 18-Touch control layer, 181-First touch control layer, 1811-First touch unit, 182-Second touch control layer, 1821-Second touch unit, 183-Touch blocking layer, 184-Touch isolation layer;

[0069] 19-Light control layer, 191-First cover layer, 1911-First cover portion, 1912-Dimming opening, 1913-First dimming opening, 1914-Second dimming opening, 1915-Third dimming opening, 192-Light blocking layer, 1920-Light transmission opening, 1921-First light transmission opening, 1922-Second light transmission opening, 1923-Third light transmission opening, 1924-Light blocking portion, 193-First filter portion, 1930-Overlapping opening, 1931-First overlapping opening, 1932-Second overlapping opening, 1933-First overlapping portion, 1934-Second overlapping portion, 1935-Overlapping portion, 194-Other filter portions, 1941-Second filter portion, 1942-Third filter portion, 195-Filter layer;

[0070] 20 - Second cover layer. Detailed Implementation

[0071] Exemplary embodiments will now be described more fully with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in many forms and should not be construed as limited to the embodiments set forth herein; rather, they are provided so that the invention will be thorough and complete, and the concept of the exemplary embodiments will be fully conveyed to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and therefore their detailed description will be omitted. Furthermore, the drawings are merely illustrative of the invention and are not necessarily drawn to scale.

[0072] Although relative terms such as "up" and "down" are used in this specification to describe the relative relationship of one component of an icon to another, these terms are used only for convenience, such as according to the orientation of the examples shown in the accompanying drawings. It is understood that if the device of the icon is flipped upside down, the component described as "up" will become the component described as "down." When a structure is "up" of another structure, it may mean that the structure is integrally formed on the other structure, or that the structure is "directly" mounted on the other structure, or that the structure is "indirectly" mounted on the other structure through another structure.

[0073] The terms “a,” “one,” “the,” “the,” and “at least one” are used to indicate the presence of one or more elements / components / etc.; the terms “including” and “having” are used to indicate an open-ended inclusion and to mean that there may be other elements / components / etc. in addition to the listed elements / components / etc.; the terms “first,” “second,” and “third,” etc., are used only as markers and are not a limitation on the number of objects.

[0074] FMLOC (Flexible Multi-Layer On Cell) design is currently mainstream in the OLED touch display field. FMLOC design refers to fabricating a metal electrode layer on the encapsulation layer of the display substrate. The surface of this metal electrode layer significantly reflects ambient light. To improve the contrast of the display panel and reduce reflected light, a polarizer is typically placed on the light-emitting side of the light-emitting layer so that the display panel appears black when it is not lit. However, the polarizer causes a decrease in the light intensity of the display panel and results in a larger display panel thickness.

[0075] like Figure 1 As shown, in order to reduce the thickness of the display panel and improve the light emission gain, a color filter layer is set on the light emission side of the light-emitting layer 16 to replace the polarizer. The color filter layer is still located on the side of the encapsulation layer 17 away from the driving backplate 10. The color filter layer includes a light-shielding layer 192 and a light-filtering layer 195. The light-shielding layer 192 absorbs most of the ambient light, and there is no light intensity attenuation in the light emission area of ​​the light-emitting layer 16. The emitted light is emitted directly from the light-filtering layer 195, thereby improving the light emission gain of the display panel. However, this will cause the emitted light from the light-emitting unit 162 with a large oblique angle to directly enter the light-shielding layer 192, resulting in low utilization of the emitted light and high power consumption of the display panel.

[0076] like Figure 2 As shown, in order to improve the light emission efficiency of the display panel from the front viewing angle, a first cover layer 191 is provided on the side of the touch electrode layer away from the driving back plate 10. The first cover layer 191 includes a plurality of first cover portions 1911. The touch electrode layer includes a plurality of touch units. The first cover portions 1911 are located on the side of the first touch unit 1811 away from the driving back plate 10. The first cover portions 1911 cover the first touch unit 1811. A dimming opening 1912 is formed between the sides of the first cover portions 1911 that are close to each other. A light-shielding layer 192 is provided on the side of the first cover layer 191 away from the drive back plate 10. The light-shielding layer 192 includes a plurality of light-shielding parts 1924. A light-transmitting opening 1920 is formed between the sides of the light-shielding parts 1924 that are close to each other. A first light-filtering part 193, a second light-filtering part 1941, and a third light-filtering part 1942 of different colors are provided in each light-adjusting opening 1912. The first light-filtering part 193, the second light-filtering part 1941, and the third light-filtering part 1942 cover the side of the first cover layer 1911 and extend to the side of the first cover layer 1911 away from the substrate 11.

[0077] Because the width and thickness of the first touch unit 1811 are relatively small, the side of the first cover portion 1911 is beveled. The refractive indices of the first filter portion 193, the second filter portion 1941, and the third filter portion 1942 are greater than the refractive index of the first cover portion 1911. Therefore, the light emitted from the light-emitting unit 162 at an oblique angle can undergo total internal reflection at the interface between the side of the first cover portion 1911 and the first filter portion 193, the second filter portion 1941, and the third filter portion 1942, deflecting the light emitted from the oblique angle to the direction of the normal angle, thus improving the light emission efficiency of the display panel at the normal angle. Therefore, there is no need to set a polarizer, reducing the thickness of the display panel and contributing to the thinning of the display panel.

[0078] But regardless Figure 1 still Figure 2 In the display panel, reflected ambient light diffracts at the edge of the light-transmitting opening 1920. Because different colors of light have different wavelengths, they produce different diffracted light waves. The diffracted light waves from different light-transmitting openings 1920 interfere and enhance each other, forming diffraction rings of different colors, resulting in a color separation phenomenon in the visual effect. For example... Figure 3 As shown, when light of the same color is diffracted at the edge of the light-transmitting opening, multiple diffraction rings that gradually diffuse outward will be formed, and the diffraction rings have relatively clear boundaries.

[0079] Based on this, embodiments of the present invention provide a display panel. For example... Figures 4 to 27 As shown, the display panel includes a driving backplate 10, a light-shielding layer 192, and a light-filtering layer 195. The light-shielding layer 192 is disposed on one side of the driving backplate 10 and has different types of light-transmitting openings 1920. The light-filtering layer 195 includes a first light-filtering part 193 and other light-filtering parts 194 of different colors. The first light-filtering part 193 and other light-filtering parts 194 of different colors are disposed within different light-transmitting openings 1920. The first light-filtering part 193 is disposed on the side of the light-shielding layer 192 away from the driving backplate 10 and has different types of overlapping openings 1930. The orthographic projections of the overlapping openings 1930 on the driving backplate 10 are respectively located on opposite sides of the light-shielding layer 10. Within the orthographic projection of the light-transmitting opening 1920 onto the drive backplate 10, other light-filtering portions 194 of different colors are respectively disposed within different types of overlapping openings 1930; the color of the other light-filtering portions 194 is different from the color of the first light-filtering portion 193, the first light-filtering portion 193 overlaps with adjacent other light-filtering portions 194 of different colors, and the portion of the first light-filtering portion 193 located between the edge of the light-transmitting opening 1920 and the edge of the corresponding overlapping opening 1930 forms an overlapping portion 1935, the overlapping portion 1935 includes at least two different overlapping portions 1935, and in the same overlapping portion 1935, at least some of the different overlapping portions 1935 have different area sizes.

[0080] The display panel includes a first light filter 193 and other light filters 194 of different colors. The first light filter 193 overlaps with adjacent other light filters 194 of different colors. The portion of the first light filter 193 located between the light-transmitting opening 1920 and the corresponding overlapping opening 1930 is called the overlapping portion 1935. Among the same type of overlapping portion 1935, at least some of the different overlapping portions 1935 have different area sizes. By controlling the different areas of the different overlapping portions 1935, the light-transmitting area of ​​the different light-transmitting openings 1920 can be adjusted, causing the light-transmitting amount of the light-transmitting openings 1920 corresponding to the first light filter 193 or other light filters 194 of the same color to be different. This results in the interference cancellation effect of reflected light from the ambient light when passing through the different light-transmitting openings 1920, reducing or eliminating the color separation phenomenon in the visual effect.

[0081] The display panel involved in the embodiments of the present invention will be described in detail below with reference to specific examples.

[0082] like Figure 4 and Figure 5 As shown, a display panel may generally include a substrate 11 and a driving circuit layer 13. The driving circuit layer 13 is disposed on one side of the substrate 11. The display panel may also include a buffer layer 12, which is disposed between the substrate 11 and the driving circuit layer 13.

[0083] The substrate 11 can be an inorganic material substrate 11 or an organic material substrate 11. For example, in one embodiment of the present invention, the material of the substrate 11 can be a glass material such as soda-lime glass, quartz glass, or sapphire glass, or a metal material such as stainless steel, aluminum, or nickel.

[0084] In another embodiment of the present invention, the substrate 11 may also be a flexible substrate 11, for example, the material of the substrate 11 may be polyimide (PI). The substrate 11 may also be a composite of multiple materials. For example, in one embodiment of the present invention, the substrate 11 may include a bottom film layer, a pressure-sensitive adhesive layer, a first polyimide layer and a second polyimide layer stacked sequentially.

[0085] The driving circuit layer 13 is provided with a driving circuit for driving the light-emitting unit 162. The driving circuit is located in the display area, and any driving circuit can include a transistor, which can be a thin-film transistor (TFT). The TFT can be selected from top-gate TFTs, bottom-gate TFTs, or dual-gate TFTs. Taking a top-gate TFT as an example, the driving circuit layer 13 may include a first active layer 131, a first gate insulating layer 1321, a first gate 1331 layer, a second gate insulating layer 1322, a second gate 1332 layer, and a first source / drain metal layer, sequentially disposed along a direction away from the substrate 11, wherein:

[0086] The first active layer 131 is disposed on one side of the substrate 11. The material of the first active layer 131 can be amorphous silicon semiconductor material, low-temperature polycrystalline silicon semiconductor material, metal oxide semiconductor material, organic semiconductor material, or other types of semiconductor material. Therefore, the thin film transistor can be an N-type thin film transistor or a P-type thin film transistor. The first active layer 131 may include a channel region and two doped regions of different doping types located on both sides of the channel region.

[0087] The first gate insulating layer 1321 is disposed on the side of the active layer 131 away from the substrate 11. The first gate insulating layer 1321 can cover the active layer 131 and the substrate 11. The first gate 1331 layer can include the first gate 1331. The first gate 1331 is disposed on the side of the first gate insulating layer 1321 away from the substrate 11 and is directly opposite to the active layer 131. That is, the projection of the first gate 1331 on the substrate 11 is located within the projection range of the active layer 131 on the substrate 11. For example, the projection of the first gate 1331 on the substrate 11 coincides with the projection of the channel region of the active layer 131 on the substrate 11. The second gate insulating layer 1322 is disposed on the side of the first gate 1331 away from the substrate 11. The second gate insulating layer 1322 can cover the first gate 1331 and the first gate insulating layer 1321. The second gate 1332 layer can include the second gate 1332, which is disposed on the side of the second gate insulating layer 1322 away from the substrate 11 and is directly opposite the active layer 131. The materials of the first gate insulating layer 1321 and the second gate insulating layer 1322 are both insulating materials such as silicon oxide.

[0088] The thin-film transistor may further include an interlayer dielectric layer 134, which is disposed on the side of the second gate 1332 away from the substrate 11, and may cover the second gate 1332 and the second gate insulating layer 1322. A first source / drain metal layer is disposed on the surface of the interlayer dielectric layer 134 away from the substrate 11, and may include a first source 135 and a drain 136, which are connected to the first active layer 131. For example, the first source 135 and the drain 136 are respectively connected to two doped regions of the corresponding first active layer 131 through vias. A protective layer 137 may also be provided on the side of the first source 135 away from the substrate 11, and the protective layer 137 covers the first source 135 and the drain 136. The driving circuit layer 13 may also include a planarization layer group 139, which includes a first planarization layer 1391. The first planarization layer 1391 is disposed on the side of the protective layer 137 away from the substrate 11, and the first planarization layer 1391 covers the protective layer 137.

[0089] The driving circuit layer 13 may further include a second source / drain metal layer, which is disposed on the side of the first planarization layer 1391 away from the substrate 11. The second source / drain metal layer may include a second source 138, which is connected to the first source 135. The planarization layer group 139 may further include a second planarization layer 1392, which is disposed on the side of the second source 138 away from the substrate 11. The second planarization layer 1392 covers the second source 138 and the first planarization layer 1391.

[0090] The display panel may further include a pixel defining layer 15 and a light-emitting layer 16. The pixel defining layer 15 is disposed on the side of the first planarization layer 1391 or the second planarization layer 1392 away from the array substrate. The pixel defining layer 15 includes a plurality of pixel defining portions, and a pixel opening 151 is formed between two adjacent pixel defining portions. The light-emitting layer 16 may include a plurality of light-emitting units 162, which are respectively disposed in different pixel openings 151. Each light-emitting unit 162 may include a pixel electrode 161, a light-emitting unit 162, and a common electrode 163. The pixel electrode 161 is located on the surface of the first planarization layer 1391 or the second planarization layer 1392 away from the substrate 11. The light-emitting unit 162 is disposed on the surface of the pixel electrode 161 away from the substrate 11, and the common electrode 163 is disposed on the surface of the light-emitting unit 162 away from the substrate 11. The light-emitting unit 162 can be driven to emit light through the pixel electrode 161 and the common electrode 163 to display an image.

[0091] Pixel electrode 161 is connected to either the first source 135 or the second source 138. A pixel defining layer 15 is provided on the side of pixel electrode 161 away from the substrate 11. When the thin-film transistor includes only the first source 135, pixel electrode 161 is connected to the first source 135, and pixel defining layer 15 covers pixel electrode 161 and the first planarization layer 1391. When the thin-film transistor also includes the second source 138, pixel electrode 161 is connected to the second source 138, and pixel defining layer 15 covers pixel electrode 161 and the second planarization layer 1392.

[0092] The common electrode 163 can serve as the cathode, and the pixel electrode 161 can serve as the anode. Light emission from the light-emitting unit 162 can be driven by applying a signal to the pixel electrode 161; the specific light emission principle will not be detailed here. The light-emitting unit 162 may contain an electroluminescent organic light-emitting material and can be formed using processes such as vapor deposition. For example, the light-emitting unit 162 may include a hole injection layer, a hole transport layer, a light generation layer, an electron transport layer, and an electron injection layer sequentially stacked on the pixel electrode 161. It should be noted that, depending on the emitted color, the light-emitting unit 162 may include a first light-emitting unit 1621, a second light-emitting unit 1622, and a third light-emitting unit 1623.

[0093] Furthermore, the display panel of the present invention may also include an encapsulation layer 17, which is disposed on the side of the light-emitting layer 16 away from the substrate 11, thereby covering the light-emitting layer 16 and preventing water and oxygen corrosion. The encapsulation layer 17 may be a single-layer or multi-layer structure, and the material of the encapsulation layer 17 may include organic or inorganic materials, without special limitation. In this embodiment, the encapsulation layer 17 may include a first inorganic encapsulation layer 171, an organic encapsulation layer 172, and a second inorganic encapsulation layer 173. The first inorganic encapsulation layer 171 is disposed on the side of the light-emitting layer 16 away from the substrate 11, the organic encapsulation layer 172 is disposed on the side of the first inorganic encapsulation layer 171 away from the substrate 11, and the second inorganic encapsulation layer 173 is disposed on the side of the organic encapsulation layer 172 away from the substrate 11.

[0094] like Figure 4 and Figure 5 As shown, the display panel also includes a touch control layer 18, which can be a mutual capacitive touch control layer. The touch control layer 18 includes a first touch control layer 181 and a second touch control layer 182. The first touch control layer 181 is a metal mesh layer (MM), and the second touch control layer 182 is a bridge metal layer (BM). The metal mesh is located in the display area and can be divided into touch driving (Tx) metal mesh and touch sensing (Rx) metal mesh according to the horizontal and vertical directions. One of the touch sensing (Rx) metal mesh and the touch driving (Tx) metal mesh is interconnected, while the other is connected through the bridge metal layer.

[0095] The first tactile control layer 181 is disposed on the side of the substrate 11 away from the encapsulation layer 17, and the second tactile control layer 182 is disposed between the first tactile control layer 181 and the encapsulation layer 17. The tactile control layer 18 may further include a touch blocking layer 183 and a touch isolating layer 184, with the touch blocking layer 183 disposed between the encapsulation layer 17 and the second tactile control layer 182, and the touch isolating layer 184 disposed between the first tactile control layer 181 and the second tactile control layer 182.

[0096] The first tactile control layer 181 may include a plurality of first touch units 1811, which are spaced apart. The orthographic projection of a first touch unit 1811 on the substrate 11 is located between the orthographic projections of two adjacent light-emitting units 162 on the substrate 11. The second tactile control layer 182 may include a plurality of second touch units 1821, whose orthographic projections on the substrate 11 overlap with the orthographic projections of the first touch units 1811 on the substrate 11.

[0097] The display panel may also include a light control layer 19, which includes a first cover layer 191. The first cover layer 191 includes a plurality of first cover portions 1911. The first cover portions 1911 are disposed on the side of the first touch unit 1811 away from the substrate 11. The first cover portions 1911 cover the first touch unit 1811. A dimming opening 1912 is formed between two adjacent first cover portions 1911. The slope angle of the side of the first cover portion 1911 is less than 90 degrees.

[0098] The light control layer 19 may further include a light-shielding layer 192, which includes a plurality of light-shielding portions 1924. The light-shielding portions 1924 are located on the side of the first covering portion 1911 away from the driving backplate 10. The orthographic projection of the light-shielding portions 1924 on the substrate 11 covers the orthographic projection of the first touch unit 1811 on the substrate 11. That is, the orthographic projection of the first touch unit 1811 on the substrate 11 is located within the orthographic projection of the light-shielding portions 1924 on the substrate 11, and the area of ​​the orthographic projection of the first touch unit 1811 on the substrate 11 is smaller than the area of ​​the orthographic projection of the light-shielding portions 1924 on the substrate 11. A light-transmitting opening 1920 is formed between the adjacent sides of the light-shielding portions 1924. The orthographic projection of the dimming opening 1912 on the substrate 11 is located within the orthographic projection of the light-transmitting opening 1920 on the substrate 11.

[0099] The light control layer 19 may further include a filter layer 195, which may include a first filter portion 193 and other filter portions 194 of different colors. The other filter portions 194 of different colors include a second filter portion 1941 and a third filter portion 1942, and the color of the other filter portions 194 is different from the color of the first filter portion 193. The second filter portion 1941 and the third filter portion 1942 are respectively disposed within the dimming opening 1912 formed by two adjacent first covering portions 1911, and the first filter portion 193 is disposed within the dimming opening 1912 between the first filter portion 193 and the second filter portion 1941. The color of the first filter portion 193 may be green, the color of the second filter portion 1941 may be red, and the color of the third filter portion 1942 may be blue.

[0100] The thickness of the other filter portions 194 is greater than the thickness of the first cover portion 1911. The other filter portions 194 cover the side of the first cover portion 1911 and the first region of the light-shielding portion 1924 away from the substrate 11. The first filter portion 193 covers the side of the first cover portion 1911 and the second region of the light-shielding portion 1924 away from the substrate 11, and extends along the second region to overlap with the second filter portion 1941 and the third filter portion 1942 away from the substrate 11. The first filter portion 193 overlaps with the adjacent other filter portions 194 of different colors. The portion of the first filter portion 193 located between the edge of the light-transmitting opening 1920 and the edge of the overlapping opening 1930 is the overlapping portion 1935. The display panel may also include a second cover layer 20, which covers the first filter portion 193 and the other filter portions 194 of different colors away from the substrate 11.

[0101] The orthographic projection of the first filter 193 on the substrate 11 covers the orthographic projection of the first light-emitting unit 1621 on the substrate 11. The orthographic projection of the second filter 1941 on the substrate 11 covers the orthographic projection of the second light-emitting unit 1622 on the substrate 11. The orthographic projection of the third filter 1942 on the substrate 11 covers the orthographic projection of the third light-emitting unit 1623 on the substrate 11. The color of the first light-emitting unit 1621 is the same as the color of the first filter 193. The color of the second light-emitting unit 162 is the same as the color of the second filter 1941. The color of the third light-emitting unit 162 is the same as the color of the third filter 1942.

[0102] The first cover portion 1911 can be made of a low refractive index resin material with a refractive index of 1.45-1.5, while the refractive indices of the first filter portion 193, the second filter portion 1941, and the third filter portion 1942 are typically 1.55-1.85. Since the refractive indices of the three color filters are all higher than those of the first cover portion 1911, reflected ambient light from an oblique angle can undergo total internal reflection on the side of the first cover portion 1911, deflecting it to the direction of the normal viewing angle and improving the light extraction efficiency at the normal viewing angle.

[0103] The display panel uses a first cover portion 1911 to insulate the first touch unit 1811, which can reduce the thickness of the display panel. Light emitted from an oblique viewing angle can undergo total internal reflection on the side of the first cover portion 1911, deflecting it to the direction of the normal viewing angle, improving the light emission efficiency at the normal viewing angle without any energy loss. Furthermore, the first cover portion 1911 is trapezoidal in shape, with conventionally beveled sides, making the slope angle easier to control.

[0104] like Figure 6 and Figure 7 As shown, the light-transmitting opening 1920 includes a first light-transmitting opening 1921, a second light-transmitting opening 1922, and a third light-transmitting opening 1923. The filter layer 195 has m×n groups of light-transmitting openings 1920. The m groups of light-transmitting openings 1920 extend along a first direction and are arranged along a second direction, and the n groups of light-transmitting openings 1920 extend along a second direction and are arranged along a first direction. The light-transmitting openings 1920 in the same m group are divided into two rows, and the two rows of light-transmitting openings 1920 are arranged alternately. One row of light-transmitting openings 1920 consists of alternating first light-transmitting openings 1921 and third light-transmitting openings 1923, and the other row consists of second light-transmitting openings 1921 and third light-transmitting openings 1923. The first light-transmitting opening 1922 is located between the first light-transmitting opening 1921 and the third light-transmitting opening 1923 along the first direction; n groups of light-transmitting openings 1920 extend along the second direction and are arranged along the first direction. The same n groups of light-transmitting openings 1920 are divided into two columns, and the two columns of light-transmitting openings 1920 are arranged alternately. One column of light-transmitting openings 1920 consists of alternating first light-transmitting openings 1921 and third light-transmitting openings 1923, and the other column is the second light-transmitting opening 1922. The second light-transmitting opening 1922 is located between the first light-transmitting opening 1921 and the third light-transmitting opening 1923 along the second direction.

[0105] like Figure 6 and Figure 8As shown, the dimming opening 1912 includes a first dimming opening 1913, a second dimming opening 1914, and a third dimming opening 1915. The orthographic projection of the first dimming opening 1913 on the driving back plate 10 is located within the orthographic projection of the first light-transmitting opening 1921 on the driving back plate 10. The orthographic projection of the second dimming opening 1914 on the driving back plate 10 is located within the orthographic projection of the second light-transmitting opening 1922 on the substrate 11. The orthographic projection of the third dimming opening 1915 on the driving back plate 10 is located within the orthographic projection of the third light-transmitting opening 1925 on the substrate 11.

[0106] like Figure 6 and Figure 9 As shown, the pixel opening 151 includes a first pixel opening 1511, a second pixel opening 1512, and a third pixel opening 1513. The orthographic projection of the first pixel opening 1511 on the driving backplate 10 is located within the orthographic projection of the first dimming opening 1913 on the substrate 11. The orthographic projection of the second pixel opening 1512 on the driving backplate 10 is located within the orthographic projection of the second dimming opening 1914 on the driving backplate 10. The orthographic projection of the third pixel opening 1513 on the driving backplate 10 is located within the orthographic projection of the third dimming opening 1915 on the driving backplate 10.

[0107] like Figure 6 , Figure 10 and Figure 11 As shown, the orthographic projection of the first light-transmitting opening 1921 on the drive back plate 10 is located within the orthographic projection of the first light-filtering part 193 on the drive back plate 10, the orthographic projection of the second light-transmitting opening 1922 on the drive back plate 10 is located within the orthographic projection of the second light-filtering part 1941 on the drive back plate 10, and the orthographic projection of the third light-transmitting opening 1923 on the drive back plate 10 is located within the orthographic projection of the third light-filtering part 1942 on the drive back plate 10.

[0108] like Figure 10 and Figure 11 As shown, the first filter section 193 has different types of overlapping openings 1930. The orthographic projection of the overlapping openings 1930 on the drive back plate 10 is located within the orthographic projection of the light-transmitting opening 1920 on the drive back plate 10. Different types of overlapping openings 1930 each have other filter sections 194 of different colors. The color of the other filter sections 194 is different from the color of the first filter section 193. The first filter section 193 overlaps with adjacent other filter sections 194 of different colors. Different types of overlapping sections 1935 are formed in the portion of the first filter section 193 located between the edge of the light-transmitting opening 1920 and the edge of the overlapping opening 1930. For example... Figure 5 As shown, in order to avoid blocking the light emitted by the light-emitting unit 162 and affecting the pixel density of the display panel, the orthographic projection of the overlapping portion 1935 on the driving back plate 10 is located within the orthographic projection of the pixel definition portion on the driving back plate 10.

[0109] Within the same type of overlapping portion 1935, the areas of some different overlapping portions 1935 can be set to be different. By controlling the different areas of the different overlapping portions 1935, the light-transmitting area of ​​different light-transmitting openings 1920 can be adjusted, causing the light-transmitting amount of the light-transmitting openings 1920 corresponding to other filter portions 194 of the same color to be different. This results in the interference cancellation effect when the reflected light from the ambient light passes through the different light-transmitting openings 1920, reducing or eliminating the possibility of color separation in visual effect. To further reduce the possibility of color separation in visual effect, the area of ​​all overlapping portions 1935 within the same type of overlapping portion 1935 can be set to be different, and the light-transmitting amount of all light-transmitting openings 1920 corresponding to other filter portions 194 of the same color can be adjusted, so that all light-transmitting openings 1920 produce an interference cancellation effect.

[0110] Along the extending direction of the edge of the light-transmitting opening 1920, in the same overlapping portion 1935, at least one segment of each overlapping portion 1935 has a different width. For example... Figure 12 As shown, the shape of the overlapping opening 1930 is the same as that of the light-transmitting opening 1920. The width of the same overlapping portion 1935 always remains the same along the extension direction of the edge of the light-transmitting opening 1920. Among the same type of overlapping portion 1935, the overall width of different overlapping portions 1935 is different. That is, along the extension direction of the edge of the light-transmitting opening 1920, the width difference of any two overlapping portions 1935 at the same position is always equal.

[0111] exist Figure 10 In the same set of m light-transmitting openings 1920, the widths of two adjacent overlapping portions 1935 of the same type satisfy the following condition: d2 = d1 + t. The width of the smaller overlapping portion 1935 is d1, the width of the larger overlapping portion 1935 is d2, and the width interval between two adjacent overlapping portions 1935 of the same type is t. In the same set of m light-transmitting openings 1920, two overlapping portions 1935 of the same type with different sizes are randomly distributed. In the same set of n light-transmitting openings 1920, two overlapping portions 1935 of the same type with different sizes are randomly distributed.

[0112] The overlapping opening 1930 includes a first overlapping opening 1931 and a second overlapping opening 1932. A second filter portion 1941 is located within the first overlapping opening 1931, and a third filter portion 1942 is located within the second overlapping opening 1932. The portion of the green first filter portion 193 located between the second light-transmitting opening 1922 and the first overlapping opening 1931 is the first overlapping portion 1933, and the portion of the green first filter portion 193 located between the third light-transmitting opening 1923 and the second overlapping opening 1932 is the second overlapping portion 1934. In the same m groups of light-transmitting openings 1920, the widths of the first overlapping portion 1933 and the second overlapping portion 1934 are different from each other. In the same n groups of light-transmitting openings 1920, the widths of the first overlapping portion 1933 and the second overlapping portion 1934 are different from each other.

[0113] The width of the first overlapping portion 1933 is da. The widths of two adjacent first overlapping portions 1933 satisfy: da2 = da1 + ta. The width of the smaller first overlapping portion 1933 is da1, and the width of the larger first overlapping portion 1933 is da2. The width interval between two adjacent first overlapping portions 1933 is t1. When the filter layer 195 has 4×4 groups of light-transmitting openings 1920, the width da of the first overlapping portion 1933 can be set according to the rules in Table 1.

[0114] Table 1 shows the setting pattern of the width da of the first overlapping portion 1933 when the filter layer 195 has 4×4 groups of light-transmitting openings 1920.

[0115]

[0116] Take any two adjacent first overlapping portions 1933. When da1 is 1μm, da2 is 1.5μm, therefore ta is 0.5μm.

[0117] The width of the second overlapping portion 1934 is dc. The widths of two adjacent second overlapping portions 1934 satisfy: dc2 = dc1 + tc; where the width of the smaller first overlapping portion 1933 is dc1, the width of the larger first overlapping portion 1933 is dc2, and the width interval between two adjacent first overlapping portions 1933 is tc. When the filter layer 195 has 4×4 groups of light-transmitting openings 1920, the width dc of the first overlapping portion 1933 can be set according to the rules in Table 1.

[0118] Table 2 shows the setting pattern of the width dc of the second overlapping portion 1934 when the filter layer 195 has 4×4 groups of light-transmitting openings 1920.

[0119]

[0120] Take any two adjacent second overlapping portions 1934. When dc1 is 1.5μm, dc2 is 2μm, therefore tc is 0.5μm.

[0121] When the filter layer 195 has 8×8 groups of light-transmitting openings 1920, the width da of the first overlapping part 1933 can be set according to the rules in Table 3.

[0122] Table 3 shows the setting pattern of the width da of the first overlapping portion 1933 when the filter layer 195 has 8×8 groups of light-transmitting openings 1920.

[0123]

[0124] When the filter layer 195 has 8×8 groups of light-transmitting openings 1920, the width dc of the second overlapping part 1934 can be set according to the rules in Table 4.

[0125] Table 4 shows the setting pattern of the width dc of the second overlapping portion 1934 when the filter layer 195 has 8×8 groups of light-transmitting openings 1920.

[0126]

[0127] The width of the overlapping portion 1935 is 0.5%-25% of the width of the pixel definition portion, and the width interval value is 0.5%-15% of the width of the pixel definition portion. That is, the width da of the first overlapping portion 1933 and the width dc of the second overlapping portion 1934 are 0.5%-25% of the width w of the pixel definition portion, and the width interval values ​​ta and tc are 0.5%-15% of the width w of the pixel definition portion. In this embodiment, the width of the overlapping portion 1935 can be 0.1 micrometers-6 micrometers, and the width interval value is 0.1 micrometers-3 micrometers.

[0128] like Figure 5 As shown, the first filter 193 is green, the second filter 1941 is red, and the third filter 1942 is blue. Figure 13 As shown, the color of the first filter 193 can also be red, the color of the second filter 1941 can also be green, and the color of the third filter 1942 can also be blue.

[0129] like Figures 14 to 16 As shown, when the color of the first filter 193 is red, the color of the second filter 1941 is green, and the color of the third filter 1942 is blue, the first overlapping opening 1931 and the second overlapping opening 1932 are disposed on the red first filter 193, the green second filter 1941 is disposed in the first overlapping opening 1931 and the second light-transmitting opening 1922, and the blue third filter 1942 is disposed in the second overlapping opening 1932 and the third light-transmitting opening 1923.

[0130] The shape of the overlapping opening 1930 differs from that of the light-transmitting opening 1920. The width of the overlapping portion 1935 varies along the extending direction of the edge of the light-transmitting opening 1920. At the same position on the edge of different light-transmitting openings 1920, the width difference between any two overlapping portions 1935 is different. The same type of overlapping opening 1930 has the same shape and size, and at least one overlapping opening 1930 is rotated by a different angle relative to the first direction.

[0131] like Figure 17 As shown, the orthographic projection of the first overlapping opening 1931 onto the drive backplate 10 is an ellipse, and the angle between the major axis of the ellipse and the row direction is a first angle θ. The first overlapping opening 1931 and / or the second overlapping opening 1932 are rotated by the first angle θ relative to the first direction. In the same m groups of light-transmitting openings 1920, the first angle θ of the first overlapping opening 1931 is different for each other, and in the same n groups of light-transmitting openings 1920, the first angle θ of the first overlapping opening 1931 is different for each other.

[0132] like Figure 14 and Figure 15 As shown, the first angle θ of two adjacent overlapping portions 1935 satisfies: θ2=θ1+a; where the first angle of the overlapping portion 1935 with the smaller angle is θ1, and the first angle of the overlapping portion 1935 with the larger angle is θ2, 0<θ1<θ2≤360, and the interval between the first angles of two adjacent overlapping portions 1935 is a, 0<S≤360; in the m×n groups of light-transmitting openings 1920, the overlapping portions 1935 with different first angles are randomly distributed. When the filter layer 195 has 4×4 groups of light-transmitting openings 1920, the first angle θ can be set according to the rules in Table 5.

[0133] Table 5 shows the setting rules for the first angle θ when the filter layer 195 has 4×4 groups of light-transmitting openings 1920.

[0134]

[0135] Take any two overlapping portions 1935 with adjacent angles. For example, the first angle θ1 of the second overlapping portion 1934 in the second row × third column is 22.5°, and the first angle θ2 of the second overlapping portion 1934 in the third row × second column is 33.75°. Therefore, a is 11.25°.

[0136] When the filter layer 195 has 8×8 groups of light-transmitting openings 1920, the first angle θ can be set according to the rules in Table 6.

[0137] Table 6 shows the setting rules for the first angle θ when the filter layer 195 has 8×8 groups of light-transmitting openings 1920.

[0138]

[0139] In the same m groups of light-transmitting openings 1920 and / or the same n groups of light-transmitting openings 1920, the sum of the first angles of the overlapping portions 1935 is 50 degrees to 360 degrees, and preferably 300 degrees to 360 degrees.

[0140] like Figure 18 As shown, the color of the first filter 193 can also be blue, the color of the second filter 1941 can also be red, and the color of the third filter 1942 can also be green. Figures 19 to 21 As shown, with 14 to Figure 16 The difference lies in that the first overlapping opening 1931 and the second overlapping opening 1932 are disposed on the blue first filter portion 193, the red second filter portion 1941 is disposed within the first overlapping opening 1931 and the second light-transmitting opening 1922, and the green third filter portion 1942 is disposed within the second overlapping opening 1932 and the third light-transmitting opening 1923. For example... Figure 22 As shown, the portion of the blue first filter portion 193 located between the second light-transmitting opening 1922 and the first overlapping opening 1931 is the first overlapping portion 1933, and the portion of the blue first filter portion 193 located between the third light-transmitting opening 1923 and the second overlapping opening 1932 is the second overlapping portion 1934.

[0141] Within the same type of overlapping opening 1930, different overlapping openings 1930 have different shapes. For example... Figure 23 As shown, the first overlapping openings 1931 can be set to a random arrangement of elliptical and circular shapes, with the major axis of the elliptical first overlapping openings 1931 having the same diameter as the circular first overlapping openings 1931. In other embodiments, the minor axis of the elliptical first overlapping openings 1931 can also be set to have the same diameter as the circular first overlapping openings 1931. It is understood that, regardless of the method used, the goal of having different areas for the different first overlapping openings 1931 can be achieved.

[0142] like Figure 24 and Figure 25 As shown, the distance between the edge of the orthographic projection of each first light-transmitting opening 1921 on the driving back plate 10 and the edge of the orthographic projection of each first pixel opening 1511 on the driving back plate 10 forms different first distances L, and the size of the different first distances L is different. When the filter layer 195 is provided with 4×4 groups of light-transmitting openings 1920, the size of the first distance L can be set according to the rules in Table 7.

[0143] Table 7. Rules for setting the size of the first distance L

[0144]

[0145] Two adjacent first distances L satisfy: L2 = L1 + b; where the smaller first distance is L1, the larger first distance is L2, and the two adjacent first distances are b; in m×n groups of light-transmitting openings 1920, the first distances L of different sizes are randomly distributed. Taking any two adjacent first distances L, when L1 is 2.5μm, L2 is 3μm, therefore b is 0.5μm.

[0146] It should be noted that the first direction is the x-direction shown in the figure, and the second direction is the y-direction shown in the figure.

[0147] By comparison Figure 26 and Figure 3 It can be seen that by controlling the area of ​​different overlapping portions 1935 to adjust the light transmission area of ​​different light-transmitting openings 1920, when the same color light is diffracted at the edge of the overlapping opening, the diffracted light waves from different overlapping openings will interfere and cancel each other out, the diffraction rings become faint, and the boundary between two adjacent diffraction rings becomes blurred, thus improving the color separation phenomenon.

[0148] Combination Figure 27 Further analysis shows that, gradually diffraction outwards from the center of the diffraction diaphragm along the radial direction, within a relatively small radius range (0.000-0.162 μm), at positions of the same radius, the light intensity corresponding to curve S2 is significantly greater than that corresponding to curve S1, which also indicates... Figures 4 to 25 The display panel is larger than Figure 1 and Figure 2 The diffracted light waves of the display panel are more concentrated, therefore Figures 4 to 25 The display panel is larger than Figure 1 and Figure 2 The color separation phenomenon is weaker in the display panel.

[0149] This invention also provides a display device, which may include the display panel described in any of the above embodiments of this invention. The specific structure and beneficial effects of the display panel have already been described in detail above, and therefore will not be repeated here.

[0150] It should be noted that, in addition to the display panel, the display device also includes other necessary components and parts, such as the casing, circuit board, power cord, etc. Those skilled in the art can make corresponding additions according to the specific usage requirements of the display device, which will not be elaborated here.

[0151] Display devices can also be emerging wearable devices, such as virtual reality and augmented reality devices, or traditional electronic devices, such as mobile phones, computers, televisions, and video recorders. These will not be listed exhaustively here.

[0152] Other embodiments of the invention will readily occur to those skilled in the art upon consideration of the specification and practice of the invention described herein. This application is intended to cover any variations, uses, or adaptations of the invention that follow the general principles of the invention and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of the invention are indicated by the appended claims.

Claims

1. A display panel, characterized in that, include: Drive backplane; A light-shielding layer is provided on one side of the drive back plate, and the light-shielding layer has different types of light-transmitting openings; The filter layer includes a first filter portion and other filter portions of different colors. The first filter portion and other filter portions of different colors are disposed in different light-transmitting openings. The first filter portion is disposed on the side of the light-shielding layer away from the drive back plate. The first filter portion has different types of overlapping openings. The orthographic projection of the overlapping openings on the drive back plate is respectively located in the orthographic projection of the corresponding light-transmitting openings on the drive back plate. The other filter portions of different colors are respectively disposed in different types of overlapping openings. The color of the other filters is different from the color of the first filter. The first filter overlaps with other filters of different colors. The portion of the first filter located between the edge of the light-transmitting opening and the edge of the corresponding overlapping opening forms an overlapping portion. The overlapping portion includes at least two different overlapping portions. In the same overlapping portion, at least some of the different overlapping portions have different area sizes.

2. The display panel according to claim 1, characterized in that, The other filtering parts include a second filtering part and a third filtering part. The light-transmitting opening includes a first light-transmitting opening, a second light-transmitting opening and a third light-transmitting opening. The orthographic projection of the first light-transmitting opening on the drive back plate is located within the orthographic projection of the first filtering part on the drive back plate. The orthographic projection of the second light-transmitting opening on the drive back plate is located within the orthographic projection of the second filtering part on the drive back plate. The orthographic projection of the third light-transmitting opening on the drive back plate is located within the orthographic projection of the third filtering part on the drive back plate.

3. The display panel according to claim 2, characterized in that, The filter layer has m×n sets of light-transmitting openings. The m sets of light-transmitting openings extend along a first direction and are arranged along a second direction. The n sets of light-transmitting openings extend along a second direction and are arranged along a first direction. The light-transmitting openings of the same m sets are divided into two rows, which are arranged alternately. One row consists of alternating first and third light-transmitting openings, and the other row consists of second light-transmitting openings, which are located between the first and third light-transmitting openings along the first direction. The n sets of light-transmitting openings extend along a second direction and are arranged along a first direction. The n sets of light-transmitting openings are divided into two columns, which are arranged alternately. One column consists of alternating first and third light-transmitting openings, and the other column consists of second light-transmitting openings, which are located between the first and third light-transmitting openings along the second direction.

4. The display panel according to claim 3, characterized in that, The overlapping opening includes a first overlapping opening and a second overlapping opening. The second filter portion is located within the first overlapping opening, and the third filter portion is located within the second overlapping opening. The portion of the first filter portion located between the second light-transmitting opening and the first overlapping opening is the first overlapping portion, and the portion of the first filter portion located between the third light-transmitting opening and the second overlapping opening is the second overlapping portion.

5. The display panel according to claim 4, characterized in that, Along the extending direction of the edge of the light-transmitting opening, in the same type of overlapping portion, at least one segment of different overlapping portions has a different width.

6. The display panel according to claim 5, characterized in that, The shape of the overlapping opening is the same as the shape of the light-transmitting opening. The extension direction of the edge of the light-transmitting opening is different. The overall width of the overlapping part is different. At the same position on the edge of the different light-transmitting openings, the width difference between any two overlapping parts is always equal.

7. The display panel according to claim 5, characterized in that, The shape of the overlapping opening is different from the shape of the light-transmitting opening. The width of the overlapping portion varies along the extension direction of the edge of the light-transmitting opening. At the same position on the edge of different light-transmitting openings, the width difference between any two overlapping portions is different.

8. The display panel according to claim 6, characterized in that, The overlapping openings of the same type have the same shape and size, and at least one of the overlapping openings is rotated at a different angle relative to the first direction.

9. The display panel according to claim 6, characterized in that, Within the same type of overlapping opening, the shapes of different overlapping openings are different.

10. The display panel according to claim 6, characterized in that, In the same m groups of light-transmitting openings, the width of the first overlapping portion and / or the width of the second overlapping portion are different from each other. In the same n groups of light-transmitting openings, the width of the first overlapping portion and / or the width of the second overlapping portion are different from each other.

11. The display panel according to claim 10, characterized in that, In the same type of light-transmitting opening, the width d of two adjacent overlapping portions of the same type satisfies: d2=d1+t; Wherein, the width of the overlapping portion with a smaller width is d1, the width of the overlapping portion with a larger width is d2, and the width interval between two adjacent overlapping portions of the same type is t; In the same m groups of light-transmitting openings, two overlapping portions of the same type but different sizes are randomly distributed; in the same n groups of light-transmitting openings, two overlapping portions of the same type but different sizes are randomly distributed.

12. The display panel according to claim 3, characterized in that, The display panel further includes a pixel defining layer, which is disposed between the light-shielding layer and the driving back panel. The pixel defining layer has different pixel openings, and the area between two adjacent pixel openings is a pixel definition portion. The orthographic projection of the overlapping portion on the driving back panel is located within the orthographic projection of the pixel definition portion on the driving back panel.

13. The display panel according to claim 12, characterized in that, The width of the overlapping portion is 0.5%-25% of the width of the pixel definition portion, and the width interval value is 0.5%-15% of the width of the pixel definition portion.

14. The display panel according to claim 13, characterized in that, The width of the overlapping portion is 0.1 micrometer to 6 micrometers, and the width interval is 0.1 micrometer to 3 micrometers.

15. The display panel according to claim 8, characterized in that, The first overlapping opening and / or the second overlapping opening are rotated by a first angle relative to the first direction. In the same m groups of light-transmitting openings, the first angle of the first overlapping opening is different from each other. In the same n groups of light-transmitting openings, the first angle of the first overlapping opening is different from each other.

16. The display panel according to claim 15, characterized in that, The shape of the first overlapping opening in the orthographic projection on the drive back plate is an ellipse, and the angle between the major axis of the ellipse and the row direction is the first angle.

17. The display panel according to claim 15, characterized in that, The first angle θ of two adjacent overlapping openings satisfies: θ2=θ1+a; Wherein, the first angle of the overlapping opening with a smaller angle is θ1, the first angle of the overlapping opening with a larger angle is θ2, 0<θ1<θ2≤360, and the interval between the first angles of two adjacent overlapping openings is a, 0<S≤360. In the m×n group of light-transmitting openings, the overlapping openings of different sizes and first angles are randomly distributed.

18. The display panel according to claim 17, characterized in that, In the same m groups of light-transmitting openings and / or the same n groups of light-transmitting openings, the sum of the first angles of the overlapping openings is 50 degrees to 360 degrees.

19. The display panel according to claim 12, characterized in that, The orthographic projection of the pixel opening on the driving backplate is located within the orthographic projection of the light-transmitting opening on the driving backplate. The pixel opening includes a first pixel opening. The distance between the edge of the orthographic projection of each first light-transmitting opening on the driving backplate and the edge of the orthographic projection of each first pixel opening on the driving backplate forms a different first distance, at least part of which is different.

20. The display panel according to claim 2, characterized in that, The first filter is green, the second filter is red, and the third filter is blue.

21. The display panel according to claim 2, characterized in that, The first filter is red, the second filter is green, and the third filter is blue.

22. The display panel according to claim 2, characterized in that, The first filter is blue, the second filter is red, and the third filter is green.

23. The display panel according to claim 12, characterized in that, The display panel further includes a first cover layer, which includes a plurality of spaced-apart first cover portions. The first cover portions are disposed between the pixel defining layer and the light-shielding layer. A dimming opening is formed between the sides of the first cover portions that are close to each other. The slope angle of the side of the first cover portion is less than 90 degrees. The first filter portion and other filters of different colors are respectively disposed in different dimming openings. The first filter portion and other filters of different colors cover the side of the first cover portion. The orthographic projection of the dimming opening on the driving back panel covers the orthographic projection of the pixel opening on the driving back panel. The refractive index of the first filter portion and other filters of different colors is greater than the refractive index of the first cover portion.

24. The display panel according to claim 23, characterized in that, A light-shielding portion is formed between adjacent light-transmitting openings. The other light-filtering portions cover the side of the first covering portion away from the drive back plate and a first region of the light-shielding portion away from the drive back plate. The first light-filtering portion covers the side of the first covering portion away from the drive back plate and a second region of the light-shielding portion away from the drive back plate, and extends along the second region to overlap the side of the other light-filtering portions away from the drive back plate. The first light-filtering portion overlaps with the other light-filtering portions of adjacent different colors. The portion of the first light-filtering portion located between the edge of the light-transmitting opening and the edge of the overlapping opening is the overlapping portion.

25. The display panel according to claim 23, characterized in that, The display panel further includes an encapsulation layer and a first touch control layer. The encapsulation layer is disposed on the side of the pixel defining layer away from the driving backplate. The first touch control layer is disposed between the encapsulation layer and the first cover layer. The first touch control layer includes a plurality of first touch units, which are spaced apart. The first cover portion covers the first touch units. The orthographic projection of the first touch unit on the driving backplate is located within the orthographic projection of the light-shielding layer on the driving backplate.

26. A display device, characterized in that, Includes the display panel as described in any one of claims 1 to 25.

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