Display panel and display device

Abstract

The application discloses a display panel and a display device; the display panel comprises a substrate, a light-emitting functional layer, a light-shielding layer and a plurality of light filtering parts; the light-emitting functional layer is arranged on the substrate, and the light-emitting functional layer comprises a plurality of light-emitting parts; the light-shielding layer is arranged on the side of the light-emitting functional layer away from the substrate, and the light-shielding layer comprises a plurality of openings arranged in correspondence with the plurality of light-emitting parts; the plurality of light filtering parts are filled in the plurality of openings; wherein a light reflecting surface is arranged on the inner wall of the opening to reflect light; the application can reduce the thickness and light loss of the display panel and improve the light emission efficiency of the display panel.

Description

Technical Field

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

[0002] Organic light-emitting diode (OLED) display panels have advantages over traditional liquid crystal display (LCD) display panels, such as being lightweight, having a wide viewing angle, fast response time, low temperature resistance, and high luminous efficiency. Therefore, they have always been regarded as the next generation of new display technology in the display industry. In particular, OLED display panels can be made into flexible displays that can be bent on flexible substrates, which is a huge advantage of OLED display panels.

[0003] Currently, polarizers are often attached to the light-emitting surface of OLED display panels. While polarizers can effectively reduce the reflectivity of the panel under strong light, they also cause the OLED display panel to lose nearly 58% of its light emission, greatly reducing the light emission efficiency of the OLED display panel. Summary of the Invention

[0004] This invention provides a display panel and a display device that can improve the light emission efficiency of the display panel.

[0005] This invention provides a display panel, which includes:

[0006] substrate;

[0007] A light-emitting functional layer is disposed on the substrate, and the light-emitting functional layer includes a plurality of light-emitting portions;

[0008] A light-shielding layer is disposed on the side of the light-emitting functional layer away from the substrate, and the light-shielding layer includes a plurality of openings corresponding to the plurality of light-emitting parts;

[0009] Multiple filter elements are filled within the multiple openings;

[0010] The inner wall of the opening is provided with a light-reflecting surface to reflect light.

[0011] In one embodiment of the present invention, the display panel further includes a dimming part disposed on the inner wall of the opening, the dimming part being located between the light filter and the light shielding layer, and the light reflecting surface being disposed on the side of the dimming part near the light filter.

[0012] In one embodiment of the present invention, the dimming part covers the inner wall of the opening, the cross-sectional shape of the opening along the direction perpendicular to the substrate includes an inverted trapezoid, and the orthogonal projection of the light-emitting part on the light-shielding layer is located inside the opening.

[0013] In one embodiment of the present invention, the display panel further includes a touch electrode layer disposed between the light-shielding layer and the light-emitting functional layer, the touch electrode layer including a first electrode and a second electrode;

[0014] The orthographic projections of the first electrode and the second electrode onto the light-shielding layer do not overlap with the opening.

[0015] In one embodiment of the present invention, the first electrode includes a plurality of first sub-parts arranged and connected along a first direction, and the second electrode includes a plurality of second sub-parts arranged and spaced apart along a second direction, wherein the first direction intersects the second direction;

[0016] The display panel further includes a bridging layer disposed on the side of the light-shielding layer away from the touch electrode layer, and the bridging layer includes a plurality of bridging portions, the two ends of which pass through the light-shielding layer and are respectively connected to two adjacent second sub-portions.

[0017] In one embodiment of the present invention, the bridging layer further includes the dimming section, and the dimming section and the bridging section are spaced apart.

[0018] In one embodiment of the present invention, the display panel further includes an anti-reflective layer disposed on the side of the bridging layer away from the light-shielding layer, and the anti-reflective layer at least covers the surface of the bridging portion away from the light-shielding layer.

[0019] In one embodiment of the present invention, the bridging portion is a mesh structure, and the opening is correspondingly disposed within the mesh opening of the mesh structure.

[0020] In one embodiment of the present invention, the display panel further includes an encapsulation layer disposed between the light-emitting functional layer and the light-shielding layer, and a high refractive index layer disposed on the side of the light-shielding layer away from the light-emitting functional layer, wherein the refractive index of the encapsulation layer is less than the refractive index of the filter portion, and the refractive index of the filter portion is less than the refractive index of the high refractive index layer.

[0021] According to the above-mentioned objectives of the present invention, embodiments of the present invention also provide a display device, the display device including the display panel.

[0022] The beneficial effects of the present invention are as follows: The present invention provides a filter part on one side of the light-emitting functional layer of the display panel corresponding to the light-emitting part, so as to replace the existing polarizer. While playing the role of reducing reflection, it can also reduce the thickness of the display panel and the light loss. In addition, the present invention also provides a light-reflecting surface on the inner wall of the opening of the light-shielding layer, which can reflect light and thus prevent the light that shines on the inner wall of the opening from being blocked by the light-shielding layer, thereby further improving the light emission efficiency of the display panel. Attached Figure Description

[0023] The technical solution and other beneficial effects of the present invention will become apparent from the following detailed description of specific embodiments of the invention, in conjunction with the accompanying drawings.

[0024] Figure 1 A schematic diagram of a cross-sectional structure of a display panel provided for related technologies;

[0025] Figure 2 A schematic diagram of another cross-sectional structure of a display panel provided for related technologies;

[0026] Figure 3 This is a schematic cross-sectional view of a display panel provided in an embodiment of the present invention;

[0027] Figure 4 A planar distribution diagram of an opening in a light-shielding layer provided in an embodiment of the present invention;

[0028] Figure 5 This is a schematic diagram of another cross-sectional structure of the display panel provided in an embodiment of the present invention;

[0029] Figure 6 Another planar distribution diagram of the opening of the light-shielding layer provided in an embodiment of the present invention;

[0030] Figure 7 This is a schematic diagram of a planar structure of a touch electrode layer provided in an embodiment of the present invention;

[0031] Figure 8 This is a comparison chart of white light emission efficiency of display panels provided in an embodiment of the present invention;

[0032] Figure 9 This is a comparison chart of red light emission efficiency of display panels provided in an embodiment of the present invention;

[0033] Figure 10 This is a comparison chart of the green light emission efficiency of the display panel provided in an embodiment of the present invention;

[0034] Figure 11 A comparison chart of blue light emission efficiency of display panels provided in an embodiment of the present invention. Detailed Implementation

[0035] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0036] The following disclosure provides many different embodiments or examples for implementing various structures of the invention. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the invention. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, examples of various specific processes and materials are provided in this invention, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0037] Currently, polarizers are often attached to the light-emitting surface of OLED display panels. While polarizers can effectively reduce the reflectivity of the panel under strong light, they also cause the OLED display panel to lose nearly 58% of its light emission, greatly reducing the light emission efficiency of the OLED display panel.

[0038] To improve the light extraction efficiency of display panels, related technologies involve forming a color filter layer above the light-emitting layer in the display panel, replacing the polarizer, thereby improving light extraction efficiency. Additionally, please refer to... Figure 1 In related technologies, display panels also improve light extraction efficiency by forming lens structures. Specifically, the display panel includes a light-emitting layer 101, an encapsulation layer 102 disposed on the light-emitting layer 101, a touch layer 103 disposed on the encapsulation layer 102, a first optical layer 104 disposed on the touch layer 103, a second optical layer 105 disposed on the first optical layer 104, and an adhesive layer 106 disposed on the second optical layer 105. The first optical layer 104 has an opening, and the second optical layer 105 fills the opening to form a microlens structure to improve the light extraction efficiency of the display panel.

[0039] Therefore, related technologies often integrate a color filter layer and a microlens structure into the display panel to further improve the light extraction efficiency of the display panel. Please refer to [link / reference needed]. Figure 2The display panel includes a light-emitting layer 201, an encapsulation layer 202 disposed on the light-emitting layer 201, a touch layer 203 disposed on the encapsulation layer 202, a black matrix layer 204 disposed on the touch layer 203, a color resist layer 205 disposed on the black matrix layer 204, a first optical layer 206 disposed on the color resist layer 205, a second optical layer 207 disposed on the first optical layer 206, and an adhesive layer 208 disposed on the second optical layer 207. The first optical layer 206 has an opening, and the second optical layer 207 fills the opening to form a microlens structure. The color resist layer 205 replaces the polarizer, thereby improving light extraction efficiency. However, because the display panel stacks multiple functional film layers on the light-emitting layer 201 to achieve corresponding functions, the thickness of the display panel increases, which affects the light transmittance of the display panel and is also detrimental to improving the light extraction efficiency of the display panel.

[0040] Continuing from the above, this embodiment of the invention provides a display panel, please refer to... Figure 3 The display panel includes a substrate 10, a light-emitting functional layer 20, a light-shielding layer 30, and multiple light-filtering sections 50.

[0041] The light-emitting functional layer 20 is disposed on the substrate 10 and includes a plurality of light-emitting parts 21; the light-shielding layer 30 is disposed on the side of the light-emitting functional layer 20 away from the substrate 10 and includes a plurality of openings 301 corresponding to the plurality of light-emitting parts 21; and a plurality of light-filtering parts 50 are filled in the plurality of openings 301.

[0042] Furthermore, a light-reflecting surface 411 is provided on the inner wall of the opening 301 to reflect light.

[0043] In the implementation and application process, the present invention provides a filter 50 on one side of the light-emitting functional layer 20 of the display panel corresponding to the light-emitting part 21, in order to replace the existing polarizer. While playing the role of reducing reflection, it can also reduce the thickness of the display panel and the light loss. In addition, the present invention also provides a light-reflecting surface 411 on the inner wall of the opening 301 of the light-shielding layer 30, which can reflect light and thus prevent the light that shines on the inner wall of the opening 301 from being blocked by the light-shielding layer 30, thereby further improving the light emission efficiency of the display panel.

[0044] Specifically, please continue to refer to Figure 3The display panel includes a substrate 10, a thin film transistor layer 61 disposed on the substrate 10, a light-emitting functional layer 20 disposed on the side of the thin film transistor layer 61 away from the substrate 10, an encapsulation layer 70 disposed on the side of the light-emitting functional layer 20 away from the thin film transistor layer 61, a dielectric layer 62 disposed on the side of the encapsulation layer 70 away from the light-emitting functional layer 20, a touch electrode layer 80 disposed on the side of the dielectric layer 62 away from the encapsulation layer 70, a light-shielding layer 30 disposed on the side of the touch electrode layer 80 away from the dielectric layer 62, a high refractive index layer 90 disposed on the side of the light-shielding layer 30 away from the dielectric layer 62, and an adhesive layer 64 disposed on the side of the high refractive index layer 90 away from the light-shielding layer 30.

[0045] The thin-film transistor layer 61 includes a plurality of thin-film transistors disposed on the substrate 10, and the light-emitting functional layer 20 includes a plurality of light-emitting parts 21. It should be noted that each light-emitting part 21 may include an anode, an organic light-emitting layer and a cathode stacked together, and the anode may be connected to the thin-film transistors in the thin-film transistor layer 61, while the cathode may extend into the non-display area of ​​the display panel and be connected to the power signal line.

[0046] The encapsulation layer 70 covers the light-emitting functional layer 20. In one embodiment, the encapsulation layer 70 includes a first inorganic encapsulation layer 71, an organic encapsulation layer 72, and a second inorganic encapsulation layer 73 stacked on the side of the light-emitting functional layer 20 away from the thin film transistor layer 61. The materials of the first inorganic encapsulation layer 71 and the second inorganic encapsulation layer 73 may include silicon nitride or silicon oxide to block water and oxygen. The material of the organic encapsulation layer 72 may include organic resin to buffer stress.

[0047] The dielectric layer 62 is disposed on the side of the encapsulation layer 70 away from the light-emitting functional layer 20, and can be made of an insulating material.

[0048] The touch electrode layer 80 is disposed on the side of the dielectric layer 62 away from the encapsulation layer 70, and the light-shielding layer 30 covers the touch electrode layer 80.

[0049] In one embodiment, the touch electrode layer 80 can be made of a conductive metal material, and the light-shielding layer 30 can be made of a black matrix material. Since the light-shielding layer 30 can cover the touch electrode layer 80, it can prevent the touch electrode layer 80 from reflecting light, thereby effectively improving the contrast and display effect of the display panel.

[0050] In this embodiment of the invention, the light-shielding layer 30 is provided with a plurality of openings 301, and the plurality of openings 301 are correspondingly provided with a plurality of light-emitting parts 21. The display panel also includes a light-filtering part 50 provided in corresponding to filling the plurality of openings 301.

[0051] In one embodiment, multiple openings 301 are arranged one-to-one with multiple light-emitting parts 21, and multiple light-filtering parts 50 are filled one-to-one with multiple openings 301, thus the multiple light-filtering parts 50 and multiple light-emitting parts 21 are arranged one-to-one; wherein, the light-filtering parts 50 can be made of color resist material, and the color of the light passing through the light-filtering parts 50 is the same as the color of the light emitted by the corresponding light-emitting parts 21, so as to achieve the functions of filtering and anti-reflection. Thus, the light-filtering parts 50 can replace the polarizer to achieve the reduction of the display panel thickness and the improvement of the light emission efficiency.

[0052] Furthermore, the embodiments of the present invention are relative to Figure 2 In terms of the related technology shown, the setting of the first optical layer is reduced, and only the light-shielding layer 30 is used to form an opening 301 to accommodate the filter part 50. This can further reduce the thickness of the display panel, further improve the light transmittance and light emission efficiency of the display panel, and the reduced thickness of the display panel can also improve the bending performance of the display panel. However, since the filter section 50 is completely surrounded by the light-shielding layer 30, the light illuminating the side of the filter section 50, that is, the light illuminating the inner wall of the opening 301, will be absorbed or blocked by the light-shielding layer 30. This is not conducive to improving the light extraction efficiency in the embodiment of the present invention. Therefore, the embodiment of the present invention provides a light-reflecting surface 411 on the inner wall of the opening 301 to reflect the light, thereby reflecting the light illuminating the inner wall of the opening 301, reducing the loss of light, and thus effectively improving the light extraction efficiency. Therefore, the embodiment of the present invention uses the light-shielding layer 30 to form the opening 301 to accommodate the filter section 50, and combines it with the light-reflecting surface 411 located on the inner wall of the opening 301, which effectively reduces the thickness of the display panel and improves the light extraction efficiency of the display panel.

[0053] In one embodiment, the display panel further includes a dimming section 41, which is disposed on the inner wall of the opening 301 and located between the light-shielding layer 30 and the light-filtering section 50. The dimming section 41 has a light-reflecting surface 411 on the side near the light-filtering section 50, which can reflect light.

[0054] It should be noted that the cross-sectional shape of the opening 301 along the direction perpendicular to the substrate 10 includes an inverted trapezoid, and the orthogonal projection of the light-emitting part 21 on the light-shielding layer 30 is located inside the opening 301 to increase the amount of light entering the opening 301; in one embodiment, the distance between the orthogonal projection of the light-emitting part 21 on the light-shielding layer 30 and the inner wall of the opening 301 on the side near the substrate 10 is greater than or equal to 1 micrometer and less than or equal to 10 micrometers.

[0055] In one embodiment, please combine Figure 3 and Figure 4The dimming part 41 covers the inner wall of the opening 301. The horizontal distance from the end of the dimming part 41 away from the substrate 10 to the center of the opening 301 is greater than the horizontal distance from the side of the dimming part 41 close to the substrate 10 to the center of the opening 301. The orthographic projection of the dimming part 41 on the substrate 10 is annular, for example, it can be a square ring. The orthographic projection of the filter part 50 on the substrate 10 is located in the corresponding ring. The thickness of the dimming part 41 can be greater than or equal to 500 nanometers and less than or equal to 700 nanometers.

[0056] In one embodiment, the material of the dimming unit 41 may include a reflective metallic material, such as Ti / Al / Ti material.

[0057] Furthermore, the display panel also includes a high refractive index layer 90 disposed on the side of the light-shielding layer 30 away from the dielectric layer 62, an adhesive layer 64 disposed on the side of the high refractive index layer 90 away from the light-shielding layer 30, and a cover plate (not shown in the figure) disposed on the side of the adhesive layer 64 away from the high refractive index layer 90.

[0058] In one embodiment, the refractive index of the encapsulation layer 70 is less than the refractive index of the filter layer 50, and the refractive index of the filter layer 50 is less than the refractive index of the high refractive index layer 90. Specifically, the refractive index of the first inorganic encapsulation layer 71 is less than the refractive index of the organic encapsulation layer 72, the refractive index of the organic encapsulation layer 72 is less than the refractive index of the second inorganic encapsulation layer 73, the refractive index of the second inorganic encapsulation layer 73 is less than the refractive index of the dielectric layer 62, the refractive index of the dielectric layer 62 is less than the refractive index of the filter layer 50, and the refractive index of the filter layer 50 is less than the refractive index of the high refractive index layer 90. This allows the light emitted by the light-emitting part 21 to be focused, thereby improving the light emission efficiency and forward light emission of the display panel.

[0059] It should be noted that when the light-emitting part 21 emits light a, the light a passes through the first inorganic encapsulation layer 71, the organic encapsulation layer 72, the second inorganic encapsulation layer 73, the dielectric layer 62, the light filter 50, and the high refractive index layer 90 in sequence, and the angle between the light a and the forward direction gradually decreases to achieve the effect of converging the light. In addition, when light b shines on the side wall of the opening 301, light b will shine on the light reflecting surface 411 of the dimming part 41 and be reflected back into the light filter 50 by the light reflecting surface 411, and continue to emit light, thus avoiding the light b being absorbed or blocked by the light shielding layer 30 and improving the light emission efficiency of the display panel.

[0060] In one embodiment, the refractive indices of the first inorganic encapsulation layer 71, the organic encapsulation layer 72, the second inorganic encapsulation layer 73, the dielectric layer 62, the filter portion 50, and the high refractive index layer 90 can all be greater than or equal to 1.2 and less than or equal to 1.9.

[0061] In this embodiment of the invention, the touch electrode layer 80 can be either a mutual capacitive touch structure or a self-capacitive touch structure. Please refer to... Figure 3 , Figure 4 , Figure 5 , Figure 6 as well as Figure 7 In this embodiment of the invention, a mutual-capacity touch structure is used as an example for explanation.

[0062] The touch electrode layer 80 includes a plurality of first electrodes 81 extending along a first direction M and arranged along a second direction N, and a plurality of second electrodes 82 extending along the second direction N and arranged along the first direction M, wherein the first direction M and the second direction N intersect. Each first electrode 81 includes a plurality of first sub-parts 811 arranged and connected along the first direction M, and each second electrode 82 includes a plurality of second sub-parts 821 arranged and spaced apart along the second direction N. The display panel also includes a bridging layer 40 disposed between the light-shielding layer 30 and the high-refractive-index layer 90. The bridging layer 40 includes a plurality of bridging portions 42, each end of which passes through the light-shielding layer 30 and connects to two adjacent second sub-parts 821, thereby achieving electrical connection of the plurality of second sub-parts 821 in each second electrode 82. Furthermore, the plurality of first electrodes 81 and the plurality of second electrodes 82 intersect to form a mutual capacitance structure.

[0063] In one embodiment, the first direction M is perpendicular to the second direction N.

[0064] It should be noted that the bridging layer 40 also includes a dimming section 41. That is, the dimming section 41 and the bridging section 42 belong to the same film layer and are made of the same material. They can be patterned in the same photomask, which can save process steps and reduce process costs. The dimming section 41 is also arranged alternately with the bridging section 42.

[0065] Since the areas of the first electrode 81 and the second electrode 82 are relatively large, in this embodiment of the invention, the first electrode 81 and the second electrode 82 are disposed on the touch electrode layer 80 and covered by the light-shielding layer 30. The orthographic projections of the first electrode 81 and the second electrode 82 on the light-shielding layer 30 do not overlap with the opening 301, thereby reducing light reflection of the touch electrode layer 80 and improving the contrast and display effect of the display panel. Furthermore, in this embodiment of the invention, an anti-reflection layer 63 is added between the bridging layer 40 and the high refractive index layer 90, and the anti-reflection layer 63 covers at least the surface of the bridging portion 42 away from the light-shielding layer 30, thereby reducing light reflection of the bridging portion 42 and further improving the contrast and display effect of the display panel.

[0066] In one embodiment, the surface of the antireflective layer 63 away from the light-shielding layer 30 is a rough surface, for example, it can form a periodically arranged protrusion structure at the nanoscale. The material of the antireflective layer 63 includes MoOx or TiOx, and the protrusion structure can be formed by dry etching.

[0067] In one embodiment, the first electrode 81, the second electrode 82, and the bridging portion 42 can all be metal mesh structures, while the light-emitting portion 21, the opening 301, and the filter portion 50 are all located within the mesh of the mesh structure. The filter portion 50 can include a first filter portion 51, a second filter portion 52, and a third filter portion 53. The first filter portion 51 can be a red color resist, the second filter portion 52 can be a green color resist, and the third filter portion 53 can be a blue color resist.

[0068] in, Figure 3 and Figure 4 This is a schematic diagram of the cross-sectional structure of the display panel in the area where the bridging section 42 is not located. Figure 5 and Figure 6 This is a schematic diagram of the cross-sectional structure of the display panel within the area where the bridging section 42 is located.

[0069] Figure 3 and Figure 4 In the area shown, the surface of the dimming part 41 away from the substrate 10 is flush with the surface of the light-shielding layer 30 away from the substrate 10.

[0070] Figure 5 and Figure 6 In the area shown, the first part of the dimming part 41 extends into the opening 301 and covers the inner wall of the opening 301. The second part of the dimming part 41 extends to the surface of the light-shielding layer 30 away from the substrate 10, so as to surround the opening 301. The anti-reflective layer 63 covers the surface of the bridging part 42 away from the substrate 10 and the surface of the second part of the dimming part 41 away from the substrate 10. Since the distance between the dimming part 41 and the bridging part 42 in this area is relatively close, due to the precision and difficulty of the process and etching, the dimming part 41 will extend to the surface of the light-shielding layer 30 away from the substrate 10.

[0071] Furthermore, to verify the improvement in light emission efficiency of the display panel provided in the embodiments of the present invention, a comparative example and an embodiment are provided, wherein the comparative example is... Figure 2 The display panel shown has the structure shown, while the embodiment is... Figure 3 and Figure 5 The display panel with the structure shown.

[0072] In the comparative examples and embodiments, the light extraction efficiency of each color (red, green, blue, and white) was verified using multiple sample panels of the same number, and the results were as follows: Figures 8 to 11 And the structure shown in Table 1 below.

[0073] Table 1 shows the light emission efficiency data of the display panel.

[0074]

[0075] Depend on Figures 8 to 11 As can be seen from Table 1, the display panel provided in the embodiments of the present invention improves the light output efficiency of various colors of light by more than 23%, and the light output efficiency of red light can be improved by 56.9%. This indicates that the display panel provided in the embodiments of the present invention can effectively improve the light output efficiency of the display panel and reduce the power consumption of the display panel.

[0076] In this embodiment of the invention, a filter 50 is provided on one side of the light-emitting functional layer 20 of the display panel corresponding to the light-emitting part 21, to replace the existing polarizer. This not only reduces reflection but also reduces the thickness of the display panel and light loss. Furthermore, this embodiment of the invention also provides a dimming part 41 on the inner wall of the opening 301 of the light-shielding layer 30. The side of the dimming part 41 near the filter 50 is provided with a light-reflecting surface 411, which can reflect light and prevent the light illuminating the inner wall of the opening 301 from being blocked by the light-shielding layer 30, thereby further improving the light emission efficiency of the display panel. In addition, this invention also covers the touch electrode layer 80 with the light-shielding layer 30 to reduce the light reflection of the touch electrode layer 80, improve the contrast of the display panel, and fabricate the dimming part 41 and the bridging part 42 in the same film layer, which can save process steps and reduce process costs.

[0077] In addition, this embodiment of the invention also provides a display device, which includes the display panel described in the above embodiments. Since the display device includes the same display panel as in the above embodiments, the display device has the same beneficial effects as the display panel in the above embodiments, which will not be repeated here.

[0078] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0079] The above provides a detailed description of a display panel and display device provided by the embodiments of the present invention. Specific examples have been used to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only for the purpose of helping to understand the technical solutions and core ideas of the present invention. Those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A display panel, characterized in that, include: substrate; A light-emitting functional layer is disposed on the substrate, and the light-emitting functional layer includes a plurality of light-emitting portions; A light-shielding layer is disposed on the side of the light-emitting functional layer away from the substrate, and the light-shielding layer includes a plurality of openings corresponding to the plurality of light-emitting parts; Multiple filter elements are filled within the multiple openings; A touch electrode layer is disposed between the light-shielding layer and the light-emitting functional layer, wherein the light-shielding layer covers the touch electrode layer; The inner wall of the opening is provided with a light-reflecting surface to reflect light.

2. The display panel according to claim 1, characterized in that, The display panel further includes a dimming section disposed on the inner wall of the opening. The dimming section is located between the light filter section and the light shielding layer, and the light reflecting surface is disposed on the side of the dimming section near the light filter section.

3. The display panel according to claim 2, characterized in that, The dimming part covers the inner wall of the opening, and the cross-sectional shape of the opening along the direction perpendicular to the substrate includes an inverted trapezoid. The orthogonal projection of the light-emitting part on the light-shielding layer is located inside the opening.

4. The display panel according to claim 2, characterized in that, The touch electrode layer includes a first electrode and a second electrode; The orthographic projections of the first electrode and the second electrode onto the light-shielding layer do not overlap with the opening.

5. The display panel according to claim 4, characterized in that, The first electrode includes a plurality of first sub-parts arranged and connected along a first direction, and the second electrode includes a plurality of second sub-parts arranged and spaced apart along a second direction, wherein the first direction intersects the second direction; The display panel further includes a bridging layer disposed on the side of the light-shielding layer away from the touch electrode layer, and the bridging layer includes a plurality of bridging portions, the two ends of which pass through the light-shielding layer and are respectively connected to two adjacent second sub-portions.

6. The display panel according to claim 5, characterized in that, The bridging layer also includes the dimming unit, and the dimming unit and the bridging unit are spaced apart.

7. The display panel according to claim 5, characterized in that, The display panel further includes an anti-reflective layer disposed on the side of the bridging layer away from the light-shielding layer, and the anti-reflective layer at least covers the surface of the bridging portion away from the light-shielding layer.

8. The display panel according to claim 5, characterized in that, The bridging part is a mesh structure, and the opening is correspondingly disposed within the mesh opening of the mesh structure.

9. The display panel according to any one of claims 1 to 8, characterized in that, The display panel further includes an encapsulation layer disposed between the light-emitting functional layer and the light-shielding layer, and a high refractive index layer disposed on the side of the light-shielding layer away from the light-emitting functional layer, wherein the refractive index of the encapsulation layer is less than the refractive index of the filter portion, and the refractive index of the filter portion is less than the refractive index of the high refractive index layer.

10. A display device, characterized in that, The display device includes a display panel as described in any one of claims 1 to 9.

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