Display panel and display device

By setting microparticles with varying concentration gradients in the color filter structure, the direction of light transmission is changed, solving the problem of high reflectivity of the display panel and improving the display effect.

CN116193905BActive Publication Date: 2025-09-23WUHAN TIANMA MICRO ELECTRONICS CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202310188039.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-02-28
Publication Date
2025-09-23
Estimated Expiration
2043-02-28

AI Technical Summary

Technical Problem

The reflectivity of existing display panels is relatively high, which affects the display effect.

Method used

A plurality of microparticles are arranged in the color filter structure to form a color filter unit with a concentration gradient change, which changes the direction of light transmission and reduces the reflectivity of the color filter unit.

Benefits of technology

By changing the concentration gradient of microparticles, the reflection of external ambient light is reduced and the display effect of the display panel is improved.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN116193905B_ABST
    Figure CN116193905B_ABST
Patent Text Reader

Abstract

The present invention discloses a display panel and display device, comprising a display area; a base substrate; a color filter structure located on one side of the base substrate, the color filter structure located at least in the display area, and a plurality of microparticles disposed in at least a portion of the color filter structure; the color filter structure comprising a plurality of color filter units, each including a first sub-portion closer to the base substrate and a second sub-portion located farther from the base substrate from the first sub-portion, the concentration of microparticles in the first sub-portion being greater than the concentration of microparticles in the second sub-portion. The technical solution provided by the present invention reduces the reflectivity of the display panel and improves the display quality.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention relates to the field of display technology, and in particular to a display panel and a display device. Background Art

[0002] As the demands for display technology continue to grow, so too do the demands placed on display panels. Conventional display panels typically include a base substrate and a color filter structure, which is located on the base substrate. The color filter structure comprises color blocks of different colors, which are used to transmit light of different colors emitted from within the display panel. However, the multiple color blocks in these display panels have a high reflectivity for external light, resulting in a high reflectivity of the display panel, which can affect the display quality. Summary of the Invention

[0003] The present invention provides a display panel and a display device to reduce the reflectivity of the display panel and improve the display effect.

[0004] In a first aspect, an embodiment of the present invention provides a display panel, comprising a display area;

[0005] The display panel further includes:

[0006] substrate;

[0007] a color filter structure located on one side of the base substrate, the color filter structure being located at least in the display area, and a plurality of micro-particles being disposed in at least a portion of the color filter structure;

[0008] The color filter structure includes multiple color filter units, each of which includes a first sub-portion close to the substrate and a second sub-portion located on a side of the first sub-portion away from the substrate, wherein the concentration of the microparticles in the first sub-portion is greater than the concentration of the microparticles in the second sub-portion.

[0009] In a second aspect, an embodiment of the present invention provides a display device, comprising the display panel as described in the first aspect.

[0010] The solution provided by the present invention can change the transmission direction of light by arranging multiple microparticles in at least part of the color filter structure. The color filter structure includes multiple color filter units, and the color filter unit includes a first sub-portion close to the side of the substrate and a second sub-portion located on the side of the first sub-portion away from the substrate. The concentration of microparticles in the first sub-portion is greater than the concentration of microparticles in the second sub-portion, that is, along the light output direction of the display panel, the microparticles in the color filter unit have a concentration gradient change, so that the color filter unit has a refractive index gradient change along the light output direction of the display panel, reducing the reflectivity of the color filter unit, thereby reducing the reflected light generated after the external ambient light is irradiated on the display panel, and improving the display effect.

[0011] It should be understood that the content described in this section is not intended to identify the key or important features of the embodiments of the present invention, nor is it intended to limit the scope of the present invention. Other features of the present invention will become readily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, although the drawings described below are some specific embodiments of the present invention, for those skilled in the art, the basic concepts of the device structure, driving method and manufacturing method disclosed and suggested by the various embodiments of the present invention can be expanded and extended to other structures and drawings. Undoubtedly, these should all be within the scope of the claims of the present invention.

[0013] Figure 1 A schematic structural diagram of a display panel provided by an embodiment of the present invention;

[0014] Figure 2 A schematic cross-sectional structure diagram of a display panel provided by an embodiment of the present invention;

[0015] Figure 3 A schematic diagram of a cross-sectional structure of another display panel provided by an embodiment of the present invention;

[0016] Figure 4 A schematic cross-sectional view of another display panel provided by an embodiment of the present invention;

[0017] Figure 5 A schematic cross-sectional view of another display panel provided by an embodiment of the present invention;

[0018] Figure 6 A schematic cross-sectional view of another display panel provided by an embodiment of the present invention;

[0019] Figure 7 A schematic cross-sectional view of another display panel provided by an embodiment of the present invention;

[0020] Figure 8 A schematic cross-sectional view of another display panel provided by an embodiment of the present invention;

[0021] Figure 9 A schematic cross-sectional view of another display panel provided by an embodiment of the present invention;

[0022] Figure 10 A schematic cross-sectional view of another display panel provided by an embodiment of the present invention;

[0023] Figure 11 A schematic cross-sectional view of another display panel provided by an embodiment of the present invention;

[0024] Figure 12 A schematic structural diagram of another display panel provided by an embodiment of the present invention;

[0025] Figure 13 for Figure 12 A schematic diagram of a cross-sectional structure;

[0026] Figure 14 for Figure 12 Another cross-sectional structural diagram of ;

[0027] Figure 15 A structural diagram of another display panel is provided for an embodiment of the present invention;

[0028] Figure 16 for Figure 15 A schematic diagram of a cross-sectional structure;

[0029] Figure 17 for Figure 15 Another cross-sectional structural diagram of ;

[0030] Figure 18 A schematic structural diagram of a display device provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0031] To make the objectives, technical solutions, and advantages of the present invention more clear, the following will refer to the accompanying drawings of the embodiments of the present invention to clearly and completely describe the technical solutions of the present invention through implementation methods. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the basic concepts disclosed and suggested by the embodiments of the present invention, all other embodiments obtained by those skilled in the art are within the scope of protection of the present invention.

[0032] Figure 1 A schematic diagram of a display panel structure provided by an embodiment of the present invention is shown. Figure 2 The cross-sectional structure diagram of a display panel provided by the present invention is shown in FIG. Figure 1 and Figure 2As shown, the display panel 100 includes a display area AA; the display panel 100 also includes: a base substrate 10; a color filter structure 20 located on one side of the base substrate 10, the color filter structure 20 is at least located in the display area AA, and a plurality of microparticles 201 are provided in at least part of the color filter structure 20; the color filter structure 20 includes a plurality of color filter units 21, the color filter unit 21 includes a first sub-portion 21a close to a side of the base substrate 10 and a second sub-portion 21b located on a side of the first sub-portion 21a away from the base substrate 10, and the concentration of the microparticles 201 in the first sub-portion 21a is greater than the concentration of the microparticles 201 in the second sub-portion 21b.

[0033] The base substrate 10 is used to support and protect the film layer located thereon. The base substrate 10 can be a rigid substrate, for example, the base substrate 10 is made of glass. The base substrate 10 can also be a flexible substrate. For example, the base substrate 10 can be made of one or more polymer resins selected from the group consisting of polyethersulfone, polyacrylate, polyetherimide, polyethylene naphthalate, polyethylene terephthalate, polyphenylene sulfide, polyarylate, polyimide, polycarbonate, and cellulose acetate propionate. The material of the base substrate 10 is not limited herein.

[0034] The color filter unit 21 in the color filter structure 20 can filter light. The color filter structure 20 can filter one or more colors of light simultaneously. This is not specifically limited in the embodiment of the present invention and can be set according to actual needs. In addition, the color of the color filter unit 21 can be any color. This is not specifically limited in the embodiment of the present invention and can be set according to actual needs. It is understood that the color filter unit 21 can filter the light emitted by the light-emitting unit in the display panel 100 to achieve the color display function of the display panel.

[0035] The color filter structure 20 includes a plurality of microparticles 201. The shape of the microparticles 201 is not limited herein and may be, for example, spherical, ellipsoidal, quadrilateral, polygonal, or triangular, and may be configured as required. Furthermore, the material and size of the microparticles 201 in the color filter structure 20 are also not specifically limited herein and may be configured as required. The microparticles 201 may have a relatively high refractive index and may be made of, but are not limited to, silicon nitride, silicon oxide, or silicon oxynitride, or any combination thereof.

[0036] Specifically, a plurality of microparticles 201 are provided in the color filter structure 20. The microparticles 201 can scatter light and change the transmission direction of the light. The greater the concentration of the microparticles 201 in the color filter unit 21, that is, the greater the number of microparticles 201 per unit volume, the more light transmission direction can be changed, and the greater the refractive index of the color filter unit 21. The concentration of the microparticles 201 in the first subsection 21a of the color filter unit 20 is greater than the concentration of the microparticles 201 in the second subsection 21b. For the same color filter unit 21, along the light output direction Z of the display panel 100, the concentration of the microparticles 201 provided in the color filter unit 21 varies with a concentration gradient, resulting in the color filter unit 21 forming two subsections with different refractive indices. The refractive index of the first subsection 21a is greater than that of the second subsection 21b. The refractive index of the color filter unit 21 also varies with a gradient along the light output direction Z of the display panel 100.

[0037] Furthermore, according to the Fresnel formula, the reflectivity R of the interface between any two adjacent film layers satisfies R = (n1-n2) / (n1+n2), where n1 and n2 are the refractive indices of the two adjacent film layers, respectively. Based on this formula, it can be determined that the magnitude of the interface reflectivity is related to the difference in the refractive indices of the materials of the two adjacent film layers. The greater the difference, the higher the reflectivity; in other words, the smaller the difference, that is, the more continuous the refractive index gradient change, the lower the reflectivity. In this way, the concentration of the microparticles 201 in the first subsection 21a of the color filter unit 21 is set to be greater than the concentration of the microparticles 201 in the second subsection 21b, so that the refractive index of the first subsection 21a is greater than the refractive index of the second subsection 21b, thereby causing the color filter unit 21 to have a refractive index gradient change along the light emitting direction Z of the display panel, thereby reducing the reflectivity of the color filter unit 21, thereby reducing the reflected light generated after the external ambient light is irradiated on the display panel 100, and improving the display effect.

[0038] It should be noted that Figure 2 The film layer structure of the display panel shown in the figure is not the entire film layer structure, but only part of the film layer structure of the array substrate. Figure 2 In addition to the main film layer structure shown in , the display panel may also include other film layers, which are not specifically limited in the embodiment of the present invention. Figure 2 The relative positional relationship between the film layers shown in the figure is only an exemplary positional relationship of the embodiment of the present invention. On the premise of being able to achieve the core invention points of the embodiment of the present invention, those skilled in the art can make arbitrary changes based on this film layer relationship, and the embodiment of the present invention does not make any specific limitations on this.

[0039] In an embodiment of the present invention, by arranging multiple microparticles in at least part of the color filter structure, the microparticles in the color filter structure can change the transmission direction of light. The color filter structure includes multiple color filter units, and the color filter unit includes a first sub-portion close to the side of the substrate and a second sub-portion located on the side of the first sub-portion away from the substrate. The concentration of microparticles in the first sub-portion is greater than the concentration of microparticles in the second sub-portion, that is, along the light emitting direction of the display panel, the microparticles in the color filter unit have a concentration gradient change, so that the color filter unit has a refractive index gradient change along the light emitting direction of the display panel, thereby reducing the reflectivity of the color filter unit, thereby reducing the reflected light generated after the external ambient light is irradiated on the display panel, and improving the display effect.

[0040] It is also understandable that the first sub-section 21a and the second sub-section 21b of the color filter unit 21 may be arranged adjacent to each other or spaced apart, and this is not specifically limited in the embodiment of the present invention. Figure 2 The illustration of the concentration difference of the microparticles 201 between different subsections of the color filter unit 21 is merely illustrative. In other embodiments, the color filter unit 21 may have multiple subsections with different concentrations, so that the microparticles 201 in the color filter unit 21 have a concentration gradient, thereby causing the refractive index of the color filter unit 21 to vary in a gradient, further reducing the reflectivity.

[0041] Optional, Figure 3 Another schematic diagram of a cross-sectional structure of a display panel is provided for an embodiment of the present invention. Figure 3 As shown, along the light emitting direction Z of the display panel 100 , the concentration of the micro-particles 201 in the color filter unit 21 gradually decreases.

[0042] Specifically, the color filter unit 21 may have multiple sub-sections, wherein the multiple sub-sections include a first sub-section 21a and a second sub-section 21b. Figure 3 For exemplary purposes only, the concentration of the microparticles 201 in each sub-section is different. Along the light emitting direction Z of the display panel 100, the concentration of the microparticles 201 in the color filter unit 21 gradually decreases. That is, along the light emitting direction Z of the display panel 100, the number of microparticles 201 per unit volume of each sub-section gradually decreases. The embodiment of the present invention does not impose any restrictions on the specific size and shape of the microparticles 201 in the color filter unit 21. Figure 3 This is shown for exemplary purposes only. In this way, the color filter unit 21 has different refractive indices along the light-emitting direction Z of the display panel 100, and the corresponding refractive indices gradually decrease, further reducing the reflectivity of the color filter unit 21. This reduces the reflected light generated by external ambient light hitting the display panel 100, thereby improving the display effect of the display panel 100.

[0043] It should be noted that, in the above embodiment, the first sub-section 21a and the second sub-section 21b in the color filter unit 21 can be formed according to the different masses of the filled micro-particles 201, so that different concentrations of micro-particles 201 are presented at different positions of the color filter unit 21 under the action of natural gravity. At this time, the first sub-section 21a is the part with the same concentration of micro-particles 201, and the second sub-section 21b is the part with the same concentration of micro-particles 201.

[0044] Optional, continue to refer to Figure 2 or Figure 3 As shown, the microparticles 201 include at least two types of first microparticles 2011 and second microparticles 2012 with different masses, the mass of the first microparticles 2011 is greater than the mass of the second microparticles 2012; the first microparticles 2011 are located in the first sub-portion 21a, the second microparticles 2012 are located in the second sub-portion 21b, and the number of the first microparticles 2011 is greater than the number of the second microparticles 2012.

[0045] The first micro-particles 2011 and the second micro-particles 2012 may be made of the same material or different materials, which is not specifically limited in the embodiment of the present invention and may be configured according to actual needs.

[0046] For example, Figure 2 or Figure 3 Only the mass of the first microparticle 2011 is shown to be greater than the mass of the second microparticle 2012. It can be understood that the material of the color filter structure 20 includes a photoresist material, and the process of the color filter structure 20 includes coating and curing. Before the color filter structure 20 is cured, the microparticles 201 of different masses arranged in the color filter structure 20 are deposited under the action of gravity. At this time, the microparticle 201 with a larger mass is deposited at a faster rate, so that the microparticle 201 with a larger mass is closer to the side of the substrate, that is, the first microparticle 201 with a smaller mass is located in the first sub-portion 21a, and the second microparticle 2012 with a larger mass is located in the second sub-portion 21b. Furthermore, since the number of the first micro-particles 2011 is greater than the number of the second micro-particles 2012, the concentration of the first micro-particles 2011 in the first sub-portion 21a is greater than the concentration of the second micro-particles 2012 in the second sub-portion 21b, thereby causing the color filter unit 21 to have two sub-portions along the light-emitting direction of the display panel where the micro-particles 201 have a concentration gradient change, that is, the refractive index gradient change of the color filter unit 21, thereby reducing the reflectivity of the color filter unit 21 and improving the display effect of the display panel 100.

[0047] In an alternative embodiment, continue Figure 2 or Figure 3As shown, the first micro-particle 2011 and the second micro-particle 2012 are micro-particles 201 made of the same material, and the particle size of the first micro-particle 2011 is larger than that of the second micro-particle 2012 .

[0048] Specifically, the first microparticles 2011 and the second microparticles 2012 are microparticles 201 made of the same material. For example, the first microparticles 2011 and the second microparticles 2012 are both made of silicon nitride, silicon oxide, or titanium oxide. Microparticles made of the same material have the same mass when their sizes and shapes are exactly the same. In this embodiment, the particle size of the first microparticles 2011 is larger than that of the second microparticles 2012. The larger the particle size, the larger the mass of the microparticles 201. That is, the mass of the first microparticles 2011 is greater than the mass of the second microparticles 2012. Therefore, before the color filter structure 20 is solidified, the microparticles 201 are deposited at different rates under the action of gravity. As a result, the solidified color filter structure has a first sub-portion 21a and a second sub-portion 21b with different microparticle concentrations.

[0049] Or, in another alternative embodiment, Figure 4 Another schematic diagram of a cross-sectional structure of a display panel is provided for an embodiment of the present invention, as shown in FIG. Figure 4 As shown, the first micro-particle 2011 and the second micro-particle 2012 are micro-particles 201 made of different materials, and the density of the first micro-particle 2011 is greater than the density of the second micro-particle 2012 .

[0050] Specifically, the first microparticle 2011 and the second microparticle 2012 are microparticles 201 made of different materials. For example, the first microparticle 2011 is titanium oxide, and the second microparticle 2012 is silicon oxide. The sizes of the first microparticle 2011 and the second microparticle 2012 can be the same or different. Figure 4 This is merely an example. Furthermore, the density of the first microparticles 2011 is greater than the density of the second microparticles 2012. That is, per unit volume, the mass of the first microparticles 2011 is greater than the mass of the second microparticles 2012. When the first microparticles 2011 and the second microparticles 2012 have the same volume, the mass of the first microparticles 2011 is greater than the mass of the second microparticles 2012. Thus, before the color filter structure 20 is solidified, the microparticles 201 settle at different rates under the action of gravity. Consequently, after solidification, the color filter structure has a first sub-portion 21a and a second sub-portion 21b having different microparticle concentrations.

[0051] Optional, continue to refer to Figures 2 to 4 As shown, the refractive index of the micro-particle 201 is greater than the refractive index of the color filter structure 20 itself, and the refractive index of the first micro-particle 2011 is greater than the refractive index of the second micro-particle 2012 .

[0052] Specifically, the material of the color filter structure 20 includes a photoresist material, and the photoresist material includes an acrylic material doped with a pigment, dye, or carbon black. The refractive index corresponding to different colors of photoresist materials may also be different, which is not specifically limited here. The refractive index of the microparticles 201 is set to be greater than the refractive index of the color filter structure 20 itself, so that after the microparticles 201 are set, the refractive index of the color filter structure 20 increases, which is conducive to changing the transmission direction of external light irradiated on the color filter structure 20. Furthermore, the refractive index of the first microparticle 2011 is greater than the refractive index of the second microparticle 2012. The first microparticle 2011 is located in the first subsection 21a of the color filter unit 21 in the color filter structure 20, and the second microparticle 2012 is located in the second subsection 21b. The refractive index at the first subsection 21a is greater than the refractive index at the second subsection 21b, so that the refractive index of the color filter unit 21 along the light output direction Z of the display panel gradually decreases, thereby reducing the reflectivity of the color filter unit 21 and improving the display effect of the display panel 100.

[0053] Optional, Figure 5 Another schematic diagram of a cross-sectional structure of a display panel is provided for an embodiment of the present invention, as shown in FIG. Figure 5 As shown, the color filter unit 21 includes a first color filter unit 211 and a second color filter unit 212. The first color filter unit 211 and the second color filter unit 212 are both provided with a plurality of microparticles 201 of different masses, and the area of ​​the first color filter unit 211 is larger than the area of ​​the second color filter unit 212; the concentration difference of the microparticles 201 in the first sub-portion 21a and the second sub-portion 21b of the first color filter unit 211 is greater than the concentration difference of the microparticles 201 in the first sub-portion 21a and the second sub-portion 21b of the second color filter unit 212.

[0054] Among them, the color of the color filter unit 21 can be red, green, blue or white, but is not limited to this. The colors of the first color filter unit 211 and the second color filter unit 212 are different. The specific colors can be set according to needs and are not specifically limited here.

[0055] Specifically, when the color filter unit 21 is cured, since the area of ​​the first color filter unit 211 is larger than the area of ​​the second color filter unit 212, the time required for the first color filter unit 211 to be completely cured is longer than the time required for the second color filter unit 212 to be completely cured. As a result, the microparticles 201 in the first color filter unit 211 can be deposited for a longer time under the action of gravity, so that the first sub-portion 21a of the first color filter unit 211 has more large-mass microparticles 201, and the second sub-portion 21b has more small-mass microparticles 201. The concentration of large-mass microparticles 201 is greater than the concentration of small-mass microparticles 201, so that a more obvious concentration gradient can be formed between the first sub-portion 21a and the second sub-portion 21b, thereby making the first color filter unit 211 have a lower reflectivity. In contrast, the second color filter unit 212 has a smaller area than the first color filter unit 211, and can quickly reach a fully solidified state. The microparticles 201 in the second color filter unit 212 deposit in a shorter time, resulting in a smaller or less noticeable concentration difference between the first sub-portion 21a and the second sub-portion 21b of the second color filter unit 212. This results in a slightly higher reflectivity of the second color filter unit 212 than the first color filter unit 211. However, compared to the color filter structure 20 without the microparticles 201, the second color filter unit 212 still has a lower reflectivity. Thus, if the tolerance between the two is acceptable, the display effect of the display panel 100 will not be significantly affected.

[0056] It can be understood that the concentration difference between the microparticles 201 in the first sub-section 21a and the second sub-section 21b of the first color filter unit 211 is greater than the concentration difference between the microparticles 201 in the first sub-section 21a and the second sub-section 21b of the second color filter unit 212, which may cause the first color filter unit 211 and the second color filter unit 212 to have different reflectivities. If the reflectivities of the two filter units 21 to external ambient light are very different, the difference in reflectivity can be adjusted and reduced by adjusting the microparticles 201 with different maximum masses set in different color filter units to ensure the display effect of the display panel 100.

[0057] Optional, Figure 6 Another schematic diagram of a cross-sectional structure of a display panel is provided for an embodiment of the present invention, as shown in FIG. Figure 6As shown, the color filter unit 21 includes a first color filter unit 211 and a second color filter unit 212. The first color filter unit 211 and the second color filter unit 212 are both provided with a plurality of microparticles 201 of different masses, and the area of ​​the first color filter unit 211 is larger than the area of ​​the second color filter unit 212. The largest mass microparticle 201 provided in the first color filter unit 211 is the third microparticle 2013, and the largest mass microparticle 201 provided in the second color filter unit 212 is the fourth microparticle 2014. The mass of the third microparticle 2013 is smaller than the mass of the fourth microparticle 2014.

[0058] The third microparticle 2013 and the fourth microparticle 2014 can be made of the same material or different materials, which is not specifically limited in the embodiment of the present invention and can be set according to actual needs. In addition, the shape and size of the third microparticle 2013 and the fourth microparticle 2014 can be arbitrarily set, which is not specifically limited in the embodiment of the present invention.

[0059] Specifically, microparticles 201 of different masses will have different sedimentation rates under the action of gravity. The larger the mass of the microparticle 201, the faster the sedimentation rate; conversely, the smaller the mass of the microparticle 201, the slower the sedimentation rate. In this embodiment, the largest mass microparticles 201 provided in the first color filter unit 211 are the third microparticles 2013, and the largest mass microparticles 201 provided in the second color filter unit 212 are the fourth microparticles 2014. The mass of the third microparticles 2013 is less than that of the fourth microparticles 2014, so that the deposition rate of the third microparticles 2013 under the action of gravity is less than the deposition rate of the fourth microparticles 2014. Thus, although the first color filter unit 211 requires longer time to fully cure than the second color filter unit 212, because the deposition rate of the third microparticles 2013 is less than that of the fourth microparticles 2014, the fourth microparticles 2014 in the second color filter unit 212 can still be quickly deposited on the side closer to the base substrate 10 before being fully cured. This further enables a more significant concentration difference to be formed between the microparticles 201 in the first sub-portion 21a and the second sub-portion 21b of the second color filter unit 212, thereby resulting in a lower reflectivity of the first color filter unit 211. In this way, the difference in reflectivity between the first color filter unit 211 and the second color filter unit 212 is reduced, further improving the display effect of the display panel.

[0060] Optional, Figure 7 Another schematic diagram of a cross-sectional structure of a display panel is provided for an embodiment of the present invention, as shown in FIG. Figure 7As shown, the display panel 100 also includes a display structure 30 located between the film layer where the base substrate 10 is located and the film layer where the color filter structure 20 is located, and the display structure 30 includes a plurality of sub-pixels 31; the color filter unit 21 includes a first section 21A and a second section 21B. Along the light emitting direction Z of the display panel, the first section 21A overlaps with the pixel opening 310 of the sub-pixel 31, and the second section 21B overlaps with the gap between two adjacent sub-pixels 31.

[0061] Specifically, the luminescent colors of the plurality of sub-pixels 31 may be the same or different, including but not limited to red sub-pixels, green sub-pixels, and blue sub-pixels. Each sub-pixel 31 may be formed of a luminescent material, i.e., a luminescent layer in a luminescent unit. It is understood that the luminescent unit generally further includes a cathode layer and an anode layer ( Figure 7 (not shown in the figures), but not limited to this. Optionally, the display panel 100 further includes an array layer 40, the array layer 40 includes a pixel circuit (not shown in the figures), the pixel circuit is electrically connected to the light-emitting unit, and is used to provide a display drive signal to the light-emitting unit to ensure that the light-emitting unit emits light and displays normally. Furthermore, the pixel circuit may include a thin film transistor and a storage capacitor. For example, the pixel circuit may be a "2T1C" pixel circuit formed by two thin film transistors and a storage capacitor, or the pixel circuit may be a "7T1C" pixel circuit formed by seven thin film transistors and a storage capacitor, or the pixel circuit may also include other structures. The embodiment of the present invention does not limit the specific setting method of the pixel circuit.

[0062] Continue to refer Figure 7 As shown, adjacent sub-pixels 31 are separated by a pixel-defining structure 50. For example, the pixel-defining structure 50 can surround the periphery of the sub-pixel 31 to form a pixel opening 310, so that light emitted by the sub-pixel 31 can be emitted through the pixel opening 310. The color filter unit 21 includes a first sub-section 21A and a second sub-section 21B. Along the light emission direction Z of the display panel, the first sub-section 21A overlaps with the pixel opening 310 of the sub-pixel 31, and the second sub-section 21B overlaps with the gap between two adjacent sub-pixels 31. This allows the first sub-section 21A of the color filter unit 21 to filter the light emitted by the sub-pixel 31 corresponding to the pixel opening 310, thereby realizing the color display function of the display panel. The second sub-section 21B of the color filter unit 21 overlaps with the gap between two adjacent sub-pixels 31, which can filter the external ambient light, further reducing the reflectivity of the display panel 100 and improving the display effect. In addition, the first section 21A and the second section 21B of the color filter unit 21 can be manufactured by the same process, thereby simplifying the manufacturing process of the display panel and reducing costs.

[0063] It is worth noting that in the prior art, a light shielding structure (not shown in the figure), i.e., a black matrix, is usually required between different color filter units 21 to prevent light crosstalk between adjacent color filter units 21. The black matrix is ​​a grid-like structure surrounding a plurality of openings. The vertical projections of the openings on the base substrate 10 overlap with the vertical projections of the corresponding light-emitting units on the base substrate 10, and light emitted by the light-emitting units is emitted through the openings. Figure 7 This is only shown for illustrative purposes, but not limiting.

[0064] In an optional embodiment, Figure 8 Another schematic diagram of a cross-sectional structure of a display panel is provided for an embodiment of the present invention, as shown in FIG. Figure 8 As shown, there are two adjacent color filter units 21 with different filter colors; along the light emitting direction X of the display panel, the second sections 21B of the two adjacent color filter units 21 with different filter colors overlap at the gap between the two adjacent sub-pixels 31.

[0065] For example, Figure 8 A structural schematic diagram of a color filter structure 20 is shown, but it is not limited to this. The color filter colors of two adjacent color filter units 21 are different and can be any color. The embodiment of the present invention does not make specific limitations on this and can be set according to actual needs. Along the light emitting direction X of the display panel, the second divisions 21B of the two color filter units 21 overlap at the gap between two adjacent sub-pixels 31, replacing the black matrix in the prior art as a light-shielding structure, which can reduce the number of film layers set in the display panel 100 and simplify the preparation process of the display panel 100. At the same time, the second division 21B can also completely absorb the incident external light, so that the gap between two adjacent sub-pixels 31 is black, achieving the same effect as the black matrix, which can effectively prevent light leakage and reflection of the display panel.

[0066] Optional, continue to refer to Figure 8 As shown, two adjacent color filter units 21 include a first color filter unit 211 and a second color filter unit 212 , and at least the first color filter unit 211 includes a first sub-portion 21 a and a second sub-portion 21 b .

[0067] For example, Figure 8 It is shown that the first color filter unit 211 and the second color filter unit 212 both include a first sub-section 21a and a second sub-section 21b, wherein the concentration of the microparticles 201 in the first sub-section 21a is greater than the concentration of the microparticles 201 in the second sub-section 21b, so that at least in the second sub-section 21B where the first color filter unit 211 and the second color filter unit 212 overlap, there is a concentration difference of the microparticles 201 along the light output direction of the display panel. In this way, the reflectivity of the color filter unit 21 can be further reduced, and the display effect of the display panel 100 can be improved.

[0068] It should be noted that Figure 8 This is only for illustrative purposes and is not limited thereto. In other embodiments, only the first color filter unit 211 may include the first sub-portion 21 a and the second sub-portion 21 b , that is, only the first color filter unit 211 may be provided with a plurality of microparticles.

[0069] In another alternative embodiment, Figure 9 Another schematic diagram of a cross-sectional structure of a display panel is provided for an embodiment of the present invention, as shown in FIG. Figure 9 As shown, the display panel 100 further includes a plurality of shading units 60, which are located between the first subsections 21A of two adjacent color filter units 21; along the light emitting direction X of the display panel, the second subsection 21B of the color filter unit 21 at least partially overlaps with the shading unit 60.

[0070] Specifically, the shading unit 60 is the black matrix mentioned above. The shading unit 60 is located between the first sections 21A of two adjacent color filter units 21, which can avoid light crosstalk between the first sections 21A of adjacent color filter units 21 and improve display quality. Figure 9 It is shown that the second section 21B of the color filter unit 21 is located on the side of the shading unit 60 away from the base substrate 10. The second section 21B can also be provided with a plurality of micro-particles 201 of different masses, and form a first sub-section 21a and a second sub-section 21b with a micro-particle concentration difference to reduce the reflectivity of the second section 21B. Moreover, along the light emitting direction X of the display panel, the second section 21B of the color filter unit 21 at least partially overlaps with the shading unit 60, that is, the shading unit 60 is superimposed on the second section 21B to further reduce the reflectivity of the display panel 100, thereby improving the display effect.

[0071] Optional, Figure 10 Another schematic diagram of a cross-sectional structure of a display panel is provided for an embodiment of the present invention, and reference is made to FIG. Figure 1 and Figure 10 As shown, the display area AA includes a first display area 101 and an edge display area 102 adjacent to the first display area 101; the color filter structure 20 includes a first color filter structure 210 and a second color filter structure 220, the first color filter structure 210 is located in the first display area 101, and the second color filter structure 220 is located in the edge display area 102; at least the second color filter structure 220 is provided with a plurality of microparticles 201, and the color filter unit 21 in the second color filter structure 220 includes a first sub-portion 21a and a second sub-portion 21b.

[0072] It can be understood that due to the influence of the structure of the display structure 30, the array substrate itself and other components of the display panel 100, the brightness of the light emitted from a part of the display area 10 close to the edge of the display area AA, namely the edge display area 102, is lower than the brightness of the light emitted from the center of the display area AA, namely the first display area 101, which makes it impossible to keep the display luminous brightness of the edge display area 102 consistent with the display luminous brightness of the first display area 101.

[0073] In this way, the color filter structure 20 is provided to include a first color filter structure 210 and a second color filter structure 220, the first color filter structure 210 is located in the first display area 101, and the second color filter structure 220 is located in the edge display area 102, wherein at least the second color filter structure 220 is provided with a plurality of microparticles 201, and the color filter unit 21 in the second color filter structure 220 includes a first sub-section 21a and a second sub-section 21b, that is, the concentration of the microparticles 201 in the first sub-section 21a of the color filter unit 21 of the second color filter structure 220 is greater than the concentration of the microparticles 201 in the second sub-section 21b, so that the refractive index of the first sub-section 21a of the color filter unit 21 is greater than the refractive index of the second sub-section 21b, thereby preventing the light emitted by the sub-pixel 31 in the display structure 30 from being totally reflected after being incident from the first sub-section 21a to the second sub-section 21b, thereby enabling more light emitted by the display structure 30 to be emitted in the light emitting direction X of the display panel, thereby improving the light output rate of the display structure 30. In this way, the edge display area 102 has a higher light transmittance, which can relatively improve the display luminous brightness of the edge display area 102, thereby compensating for the insufficient display luminous brightness caused by the array substrate itself and the display structure, and then making the light transmittance brightness in the first display area 101 consistent with the light transmittance brightness in the edge display area 102, which is beneficial to improving the display uniformity of the display panel 100.

[0074] It should be noted that Figure 10 The second color filter structure 220 is shown as being provided with a plurality of micro-particles 201 for exemplary purposes only, but the present invention is not limited thereto. In other embodiments, both the first color filter structure 210 and the second color filter structure 220 may be provided with a plurality of micro-particles 201 .

[0075] Optional, Figure 11 Another schematic diagram of a cross-sectional structure of a display panel is provided for an embodiment of the present invention, as shown in FIG. Figure 11 As shown, the first color filter structure 210 is provided with a plurality of micro-particles 201, and the color filter unit 21 in the first color filter structure 210 includes a first sub-portion 21a and a second sub-portion 21b; along the light emitting direction X of the display panel, the minimum concentration difference of the micro-particles 201 in the second color filter structure 220 is smaller than the minimum concentration difference of the micro-particles 201 in the first color filter structure 210.

[0076] For example, Figure 11 It is shown that a plurality of microparticles 201 are provided in the first color filter structure 210 and the second color filter structure 220, wherein the color filter unit 21 in the first color filter structure 210 includes the first sub-portion 21a and the second sub-portion 21b with the microparticle concentration difference mentioned above, and the color filter unit 21 in the second color filter structure 220 also includes the first sub-portion 21a and the second sub-portion 21b with the microparticle concentration difference mentioned above. Furthermore, the minimum concentration difference of the microparticles 201 in the second color filter structure 220 is smaller than the minimum concentration difference of the microparticles 201 in the first color filter structure 210. In other words, the concentration gradient formed by the microparticles 201 in the second color filter structure 220 is relatively large. Compared with the concentration gradient formed by the microparticles 201 in the first color filter structure 210, the concentration gradient is smaller, that is, the concentration change of the microparticles 201 in the color filter unit 21 of the second color filter structure 220 is more gentle and continuous, and gradually decreases along the light output direction Z of the display panel 100, so that the refractive index of the color filter unit 21 of the second color filter structure 22 gradually decreases, and thus, compared with the color filter unit 21 of the first color filter structure 210, more light emitted by the display structure 30 can be emitted, thereby improving the brightness of the light emitted from the edge display area 102, so that the transmittance brightness in the first display area 101 is consistent with the transmittance brightness in the edge display area 102, which is beneficial to improving the display uniformity of the display panel 100.

[0077] Optional, Figure 12 A structural diagram of another display panel is provided for an embodiment of the present invention. Figure 13 for Figure 12 Schematic diagram of the cross-section structure, combined with reference Figure 12 and Figure 13 As shown, the display panel 100 also includes an optical element setting area 103, and the display area AA is set around the optical element setting area 103; the color filter structure 20 also includes a third color filter structure 230 and a fourth color filter structure 240, the third color filter structure 230 is located in the optical element setting area 103, and the fourth color filter structure 240 is located in the display area AA; at least the third color filter structure 230 is provided with a plurality of microparticles 201, and the color filter unit 21 in the third color filter structure 230 includes a first sub-portion 21a and a second sub-portion 21b.

[0078] It is understood that the optical element placement area 103 includes but is not limited to the under-screen camera area or the fingerprint recognition area, and the display area AA here includes but is not limited to the effective display area of ​​the display panel 100. Generally, the transmittance of the optical element placement area 103 needs to be greater than the transmittance of the display area AA to ensure that some photosensitive elements in the optical element placement area 103, such as the camera or fingerprint sensor, have better light sensitivity.

[0079] Thus, the color filter structure 20 further includes a third color filter structure 230 and a fourth color filter structure 240. The third color filter structure 230 is located in the optical element setting area 103, and the fourth color filter structure 240 is located in the display area AA. At least the third color filter structure 230 is provided with a plurality of microparticles 201, and the color filter unit 21 in the third color filter structure 230 includes a first sub-section 21a and a second sub-section 21b, that is, the concentration of the microparticles 201 in the first sub-section 21a of the color filter unit 21 of the third color filter structure 230 is greater than that in the second sub-section. The concentration of the microparticles 201 in 21b makes the refractive index of the first sub-section 21a of the color filter unit 21 greater than the refractive index of the second sub-section 21b, thereby preventing the light emitted by the sub-pixel 31 in the display structure 30 from being totally reflected after being incident from the first sub-section 21a to the second sub-section 21b, thereby enabling more of the light emitted by the display structure 30 to be emitted in the light-emitting direction X of the display panel, thereby improving the transmittance of the optical element setting area 103, and thereby improving the sensitivity of the optical element set in the optical element setting area 103.

[0080] It should be noted that Figure 13 The third color filter structure 230 is shown as being provided with a plurality of micro-particles 201 for exemplary purposes only, but the present invention is not limited thereto. In other embodiments, both the third color filter structure 230 and the fourth color filter structure 240 may be provided with a plurality of micro-particles 201 .

[0081] Optional, Figure 14 Another schematic diagram of a display panel structure is provided for an embodiment of the present invention, such as Figure 14 As shown, the fourth color filter structure 240 is provided with a plurality of micro-particles 201, and the color filter unit 21 in the fourth color filter structure 240 includes a first sub-portion 21a and a second sub-portion 21b; along the light output direction X of the display panel, the minimum concentration difference of the micro-particles 201 in the third color filter structure 230 is less than the minimum concentration difference of the micro-particles 201 in the fourth color filter structure 240.

[0082] For example, Figure 14It is shown that a plurality of microparticles 201 are provided in the third color filter structure 230 and the fourth color filter structure 240, wherein the color filter unit 21 in the third color filter structure 230 includes the first sub-portion 21a and the second sub-portion 21b with the microparticle concentration difference mentioned above, and the fourth color filter structure 240 also includes the first sub-portion 21a and the second sub-portion 21b with the microparticle concentration difference mentioned above. Further, the minimum concentration difference of the microparticles 201 in the third color filter structure 230 is less than the minimum concentration difference of the microparticles 201 in the fourth color filter structure 240. In other words, the microparticles in the third color filter structure 230 are The concentration gradient formed by the microparticles 201 in the fourth color filter structure 240 is smaller than the concentration gradient formed by the microparticles 201 in the fourth color filter structure 240, that is, the concentration change of the microparticles 201 in the color filter unit 21 of the third color filter structure 230 is more gentle and continuous, and gradually decreases along the light output direction Z of the display panel 100, so that the refractive index of the color filter unit 21 of the third color filter structure 230 gradually decreases, and thus, compared with the color filter unit 21 of the fourth color filter structure 240, more light emitted by the display structure 30 can be emitted, thereby improving the transmittance of the optical element setting area 103, and thus improving the sensitivity of the optical element set in the optical element setting area 103.

[0083] Optional, Figure 15 A structural diagram of another display panel is provided for an embodiment of the present invention. Figure 16 for Figure 15 A cross-sectional structural diagram, combined with reference Figure 15 and Figure 16 As shown, the display panel 100 also includes a second display area 104 and a third display area 105, and the direction from the second display area 104 to the third display area 105 is the direction in which the color filter structure 20 is sequentially solidified; the color filter structure 20 includes a fifth color filter structure 250 and a sixth color filter structure 260, the fifth color filter structure 250 is located in the second display area 104, and the sixth color filter structure 260 is located in the third display area 105; along the light emitting direction Z of the display panel, the concentration difference between the microparticles 201 in the first sub-portion 21a and the second sub-portion 21b of the color filter unit 21 in the fifth color filter structure 250 is less than the concentration difference between the microparticles 201 in the first sub-portion 21a and the second sub-portion 21b of the color filter unit 21 in the sixth color filter structure 260.

[0084] Specifically, when the color filter structure 20 is cured, it will be cured sequentially along the direction pointing from the second display area 104 to the third display area 105. It can be understood that the fifth color filter structure 250 located in the second display area 104 will be cured first, and the sixth color filter structure 260 located in the third display area 105 will be cured later, so that the microparticles 201 in the color filter unit 21 of the sixth color filter structure 260 can be deposited for a longer time under the action of gravity, thereby making the first sub-portion 21a of the color filter unit 21 of the sixth color filter structure 260 have more large-mass microparticles 201, and the second sub-portion 21b has more small-mass microparticles 201. The concentration of large-mass microparticles 201 is greater than the concentration of small-mass microparticles 201, so that a more obvious concentration gradient can be formed between the first sub-portion 21a and the second sub-portion 21b, thereby making the color filter unit 21 of the sixth color filter structure 260 have a lower reflectivity. In contrast, because the fifth color filter structure 250 is solidified first, the microparticles 201 in the color filter units 21 of the fifth color filter structure 250 are deposited for a shorter time, resulting in a smaller or less noticeable concentration difference between the first sub-portion 21a and the second sub-portion 21b of the color filter units 21 of the fifth color filter structure 250. Consequently, the reflectivity of the color filter units 21 of the fifth color filter structure 250 is higher than that of the color filter units 21 of the sixth color filter structure 260. As such, if the tolerance between the two is acceptable, the display effect of the display panel 100 will not be significantly affected.

[0085] It can be understood that the concentration difference between the microparticles 201 in the first sub-portion 21a and the second sub-portion 21b of the color filter unit 21 of the sixth color filter structure 260 is greater than the concentration difference between the microparticles 201 in the first sub-portion 21a and the second sub-portion 21b of the color filter unit 21 of the fifth color filter structure 250. This may cause the second display area 104 and the third display area 105 to have different reflectivities to the external ambient light. If the reflectivity of the second display area 104 and the third display area 105 to the external ambient light is very different, the difference in reflectivity can be adjusted and reduced by adjusting the microparticles 201 with different maximum masses set in different color filter structures 20 to ensure the display effect of the display panel 100.

[0086] Optional, Figure 17 for Figure 15 Another cross-sectional structural diagram of Figure 15 and Figure 17As shown, the display panel 100 also includes a second display area 104 and a third display area 105, and the direction from the second display area 104 to the third display area 105 is the direction in which the color filter structure 20 is sequentially solidified; the color filter structure 20 includes a fifth color filter structure 250 and a sixth color filter structure 260, the fifth color filter structure 250 is located in the second display area 104, and the sixth color filter structure 260 is located in the third display area 105; the maximum mass microparticle 201 set in the fifth color filter structure 250 is the fifth microparticle 2015, and the maximum mass microparticle 201 set in the sixth color filter structure 260 is the sixth microparticle 2016, and the mass of the fifth microparticle 2015 is greater than the mass of the sixth microparticle 2016.

[0087] The fifth microparticle 2015 and the sixth microparticle 2016 may be made of the same material or different materials, which is not specifically limited in the embodiment of the present invention and can be set according to actual needs. In addition, the shape and size of the fifth microparticle 2015 and the sixth microparticle 2016 can be arbitrarily set, which is not specifically limited in the embodiment of the present invention.

[0088] Specifically, microparticles 201 of different masses will have different sedimentation rates under the action of gravity. The larger the mass of the microparticle 201, the faster the sedimentation rate; conversely, the smaller the mass of the microparticle 201, the slower the sedimentation rate. In this embodiment, the mass of the fifth micro-particles 2015 is set to be greater than the mass of the sixth micro-particles 2016, so that the deposition rate of the fifth micro-particles 2015 under the action of gravity is greater than the deposition rate of the fourth micro-particles 2014. In this way, although the fifth color filter structure 250 is cured earlier than the sixth color filter structure 260, that is, the micro-particles 201 in the sixth color filter structure 260 have a longer deposition time, because the deposition rate of the fifth micro-particles 2015 is greater than the deposition rate of the fourth micro-particles 2014, the fifth micro-particles 2015 can still be quickly deposited on the side closer to the base substrate 10 before the fifth color filter structure 250 is completely cured. In addition, a more obvious concentration difference can be formed between the micro-particles 201 in the first sub-portion 21a and the second sub-portion 21b of the color filter unit 21 of the fifth color filter structure 250, thereby enabling the color filter unit 21 of the fifth color filter structure 250 to have a lower reflectivity. In this way, the reflectivity difference between the color filter unit 21 of the fifth color filter structure 250 and the color filter unit 21 of the sixth color filter structure 260 can be reduced, that is, the reflectivity difference between the second display area 104 and the third display area 105 to the external ambient light can be reduced, thereby improving the display effect.

[0089] Based on the same inventive concept, an embodiment of the present invention further provides a display device, Figure 18 A schematic structural diagram of a display device provided by an embodiment of the present invention is shown in FIG. Figure 18As shown, the display device 200 includes the display panel 100 provided by any embodiment of the present invention. The display device 200 provided by the embodiment of the present invention can be a mobile phone or any electronic product with a display function, including but not limited to the following categories: televisions, laptops, desktop monitors, tablet computers, digital cameras, smart bracelets, smart glasses, car displays, medical equipment, industrial control equipment, touch interactive terminals, etc. The embodiment of the present invention does not specifically limit this.

[0090] Note that the above are only preferred embodiments of the present invention and the technical principles employed. Those skilled in the art will appreciate that the present invention is not limited to the specific embodiments herein, and that various obvious changes, readjustments, combinations, and substitutions are possible for those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments and may include many other equivalent embodiments without departing from the scope of the present invention. The scope of the present invention is determined by the scope of the appended claims.

Claims

1. A display panel, characterized in that: including a display area; The display panel further includes: substrate; a color filter structure located on one side of the base substrate, the color filter structure being located at least in the display area, and a plurality of micro-particles being disposed in at least a portion of the color filter structure; The color filter structure includes a plurality of color filter units, each of the color filter units includes a first sub-portion close to the substrate and a second sub-portion located on a side of the first sub-portion away from the substrate, wherein the concentration of the microparticles in the first sub-portion is greater than the concentration of the microparticles in the second sub-portion; The color filter unit includes a first color filter unit and a second color filter unit, wherein the first color filter unit and the second color filter unit are both provided with a plurality of micro-particles of different masses, and the area of ​​the first color filter unit is larger than the area of ​​the second color filter unit; a concentration difference between the microparticles in the first sub-portion and the second sub-portion of the first color filter unit is greater than a concentration difference between the microparticles in the first sub-portion and the second sub-portion of the second color filter unit; and / or, The maximum mass of the microparticles set in the first color filter unit is the third microparticle, the maximum mass of the microparticles set in the second color filter unit is the fourth microparticle, and the mass of the third microparticles is smaller than that of the fourth microparticles.

2. The display panel according to claim 1, wherein: Along the light emitting direction of the display panel, the concentration of the micro particles in the color filter unit gradually decreases.

3. The display panel according to claim 1, wherein: The microparticles include at least two first microparticles and second microparticles with different masses, wherein the mass of the first microparticles is greater than the mass of the second microparticles; The first micro-particles are located in the first sub-portion, the second micro-particles are located in the second sub-portion, and the number of the first micro-particles is greater than the number of the second micro-particles.

4. The display panel according to claim 3, wherein: The first microparticle and the second microparticle are microparticles of the same material, and the particle size of the first microparticle is larger than that of the second microparticle; or, The first micro-particles and the second micro-particles are micro-particles made of different materials, and the density of the first micro-particles is greater than the density of the second micro-particles.

5. The display panel according to claim 4, wherein: The refractive index of the micro-particles is greater than the refractive index of the color filter structure itself, and the refractive index of the first micro-particles is greater than the refractive index of the second micro-particles.

6. The display panel according to claim 1, wherein: The display panel further includes a display structure located between the film layer where the base substrate is located and the film layer where the color filter structure is located, and the display structure includes a plurality of sub-pixels; The color filter unit includes a first sub-part and a second sub-part. Along the light emitting direction of the display panel, the first sub-part overlaps with the pixel opening of the sub-pixel, and the second sub-part overlaps with the gap between two adjacent sub-pixels.

7. The display panel according to claim 6, wherein: The filter colors of two adjacent filter units are different; Along the light emitting direction of the display panel, the second subsections of two adjacent color filter units with different filter colors overlap at a gap between two adjacent sub-pixels.

8. The display panel according to claim 7, wherein: Two adjacent color filter units include a first color filter unit and a second color filter unit, and at least the first color filter unit includes the first sub-portion and the second sub-portion.

9. The display panel according to claim 6, wherein: The display panel further includes a plurality of light shielding units, each of which is located between the first subsections of two adjacent color filter units; Along the light emitting direction of the display panel, the second portion of the color filter unit at least partially overlaps with the light shielding unit.

10. The display panel according to claim 1, wherein The display area includes a first display area and an edge display area adjacent to the first display area; The color filter structure includes a first color filter structure and a second color filter structure, the first color filter structure is located in the first display area, and the second color filter structure is located in the edge display area; At least the second color filter structure is provided with a plurality of the micro-particles, and the color filter unit in the second color filter structure includes the first sub-portion and the second sub-portion.

11. The display panel according to claim 10, wherein: The first color filter structure is provided with a plurality of the micro-particles, and the color filter unit in the first color filter structure includes the first sub-portion and the second sub-portion; Along the light emitting direction of the display panel, the minimum concentration difference of the micro-particles in the second color filter structure is smaller than the minimum concentration difference of the micro-particles in the first color filter structure.

12. The display panel according to claim 1, wherein The display panel further includes an optical element setting area, and the display area is arranged around the optical element setting area; The color filter structure further includes a third color filter structure and a fourth color filter structure, the third color filter structure is located in the optical element setting area, and the fourth color filter structure is located in the display area; At least the third color filter structure is provided with a plurality of the micro-particles, and the color filter unit in the third color filter structure includes the first sub-portion and the second sub-portion.

13. The display panel according to claim 12, wherein: The fourth color filter structure is provided with a plurality of the micro-particles, and the color filter unit in the fourth color filter structure includes the first sub-portion and the second sub-portion; Along the light emitting direction of the display panel, the minimum concentration difference of the micro-particles in the third color filter structure is smaller than the minimum concentration difference of the micro-particles in the fourth color filter structure.

14. The display panel according to claim 1, wherein The display panel further includes a second display area and a third display area, and the direction from the second display area to the third display area is the direction in which the color filter structure is sequentially cured; The color filter structure includes a fifth color filter structure and a sixth color filter structure, the fifth color filter structure is located in the second display area, and the sixth color filter structure is located in the third display area; Along the light emitting direction of the display panel, the concentration difference between the microparticles in the first sub-portion and the second sub-portion of the color filter unit in the fifth color filter structure is smaller than the concentration difference between the microparticles in the first sub-portion and the second sub-portion of the color filter unit in the sixth color filter structure.

15. The display panel according to claim 1, wherein The display panel further includes a second display area and a third display area, and the direction from the second display area to the third display area is the direction in which the color filter structure is sequentially cured; The color filter structure includes a fifth color filter structure and a sixth color filter structure, the fifth color filter structure is located in the second display area, and the sixth color filter structure is located in the third display area; The maximum mass microparticles set in the fifth color filter structure are fifth microparticles, the maximum mass microparticles set in the sixth color filter structure are sixth microparticles, and the mass of the fifth microparticles is greater than that of the sixth microparticles.

16. A display device, characterized in that: The display panel comprises the display panel according to any one of claims 1 to 15.

Citation Information

Patent Citations

  • Display device

    CN112466908A