Display panel and display device

Abstract

The invention provides a display panel and a display device, relates to the technical field of display, and is used for improving the aperture opening ratio of peep-proof pixels. The display panel includes: a substrate; the pixel layer comprises a first pixel; the packaging layer is located on the side, away from the substrate, of the pixel layer, and the packaging layer is of a single-layer film structure; each shielding structure comprises a first shielding part and a second shielding part; wherein the first shielding part is located on the side, away from the substrate, of the packaging layer, a first opening is formed between the first shielding parts of the adjacent shielding structures, the second shielding part is located on the side, away from the substrate, of the first shielding part, and a second opening is formed between the second shielding parts of the adjacent shielding structures. The first pixel, the first opening and the second opening are at least partially overlapped.

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] In today's digital age, information security and privacy protection are becoming increasingly important. The anti-peeping function of display panels has emerged and become an important feature of many electronic devices.

[0003] However, the structural design of the existing anti-peeping display panel will bring great restrictions to the aperture ratio design of the anti-peeping pixel, making it difficult to improve the aperture ratio of the anti-peeping pixel. Summary of the invention

[0004] Embodiments of the present invention provide a display panel and a display device for improving the aperture ratio of anti-peeping pixels.

[0005] In a first aspect, an embodiment of the present invention provides a display panel, including:

[0006] substrate;

[0007] A pixel layer including a first pixel;

[0008] An encapsulation layer, located at a side of the pixel layer away from the substrate, the encapsulation layer being a single-layer film structure;

[0009] A plurality of shielding structures, wherein the shielding structures include a first shielding portion and a second shielding portion; wherein the first shielding portion is located on a side of the encapsulation layer away from the substrate, a first opening is provided between the first shielding portions of adjacent shielding structures, the second shielding portion is located on a side of the first shielding portion away from the substrate, a second opening is provided between the second shielding portions of adjacent shielding structures, and in a direction perpendicular to the plane where the substrate is located, the first pixel, the first opening and the second opening are at least partially overlapped.

[0010] In a second aspect, based on the same inventive concept, an embodiment of the present invention further provides a method for manufacturing a display panel, comprising:

[0011] forming a pixel layer on one side of the substrate, the pixel layer comprising a first pixel;

[0012] forming an encapsulation layer on the pixel layer, wherein the encapsulation layer is a single-layer film structure;

[0013] A shielding structure is formed on the encapsulation layer, the shielding structure comprising a first shielding portion and a second shielding portion; wherein the first shielding portion is located on a side of the encapsulation layer away from the substrate, a first opening is provided between the first shielding portions of adjacent shielding structures, the second shielding portion is located on a side of the first shielding portion away from the substrate, a second opening is provided between the second shielding portions of adjacent shielding structures, and in a direction perpendicular to the plane where the substrate is located, the first pixel, the first opening and the second opening are at least partially overlapped.

[0014] In a third aspect, based on the same inventive concept, an embodiment of the present invention further provides a display device, comprising the above-mentioned display panel.

[0015] The technical solution provided by the embodiment of the present invention has the following beneficial effects:

[0016] The display panel provided by the embodiment of the present invention adopts a single-layer packaging design. The packaging structure under this packaging method is a very thin inorganic layer with a very small film thickness. Therefore, when the first shielding part is arranged above it, the longitudinal distance between the first shielding part and the first pixel can be greatly reduced, so that the first shielding part and the first pixel are very close, and the first shielding part can block the light of a larger angle emitted by the first pixel. At the same time, a second shielding part is also arranged above the first shielding part. Compared with the first shielding part, the longitudinal distance between the second shielding part and the first pixel is slightly larger, and the second shielding part can block the light of a smaller angle emitted by the first pixel.

[0017] By adopting the technical solution provided by the embodiment of the present invention, under the condition that the display panel achieves the same anti-peeping angle, the spacing between adjacent first pixels can be reduced, so that the aperture ratio of the first pixels can be increased, thereby effectively extending the life of the first pixels. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative labor.

[0019] Figure 1 A schematic diagram of a structure of a display panel in the related art;

[0020] Figure 2 A schematic diagram of the structure of a display panel provided by an embodiment of the present invention;

[0021] Figure 3 Another schematic diagram of the structure of a display panel provided by an embodiment of the present invention;

[0022] Figure 4 A size comparison diagram of a first pixel provided by an embodiment of the present invention;

[0023] Figure 5 A top view of a display panel provided by an embodiment of the present invention;

[0024] Figure 6 Another top view of the display panel provided by the embodiment of the present invention;

[0025] Figure 7 for Figure 6 A cross-sectional view along the A1-A2 direction;

[0026] Figure 8 A schematic diagram of another structure of a display panel provided by an embodiment of the present invention;

[0027] Fig. 9 A schematic diagram of another structure of a display panel provided by an embodiment of the present invention;

[0028] Fig.10 A schematic diagram of another structure of a display panel provided by an embodiment of the present invention;

[0029] Fig.11 A schematic diagram of another structure of a display panel provided by an embodiment of the present invention;

[0030] Fig.12 A schematic diagram of another structure of a display panel provided by an embodiment of the present invention;

[0031] Fig.13 A schematic diagram of another structure of a display panel provided by an embodiment of the present invention;

[0032] Fig.14 A schematic diagram of another structure of a display panel provided by an embodiment of the present invention;

[0033] Fig.15 A schematic diagram of another structure of a display panel provided by an embodiment of the present invention;

[0034] Fig.16 A schematic diagram of another structure of a display panel provided by an embodiment of the present invention;

[0035] Fig.17 A schematic diagram of another structure of a display panel provided by an embodiment of the present invention;

[0036] Fig.18 A schematic diagram of another structure of a display panel provided by an embodiment of the present invention;

[0037] Fig.19A schematic diagram of another structure of a display panel provided by an embodiment of the present invention;

[0038] Fig. 20 A flow chart of a method for manufacturing a display panel provided by an embodiment of the present invention;

[0039] Fig.21 Another flow chart of the method for manufacturing a display panel provided by an embodiment of the present invention;

[0040] Fig. 22 Another flow chart of the method for manufacturing a display panel provided by an embodiment of the present invention;

[0041] Fig.23 Another flow chart of the method for manufacturing a display panel provided by an embodiment of the present invention;

[0042] Fig.24 Another flow chart of the method for manufacturing a display panel provided by an embodiment of the present invention;

[0043] Fig.25 A schematic diagram of the structure of a display device provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0044] In order to better understand the technical solution of the present invention, the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0045] It should be clear that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] The terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. The singular forms "a", "said" and "the" used in the embodiments of the present invention and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings.

[0047] It should be understood that the term "and / or" used in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0048] Before describing the technical solution provided by the embodiment of the present invention, the present invention first introduces the structure of the display panel in the related art.

[0049] like Figure 1As shown, Figure 1 This is a structural schematic diagram of a display panel in the related art, wherein the display panel includes a substrate 101, an anti-peeping pixel 102 located on one side of the substrate 101, an encapsulation layer 103 located on a side of the anti-peeping pixel 102 away from the substrate 101, and a shielding structure 104 located on a side of the encapsulation layer 103 away from the substrate 101.

[0050] The encapsulation layer 103 includes a first inorganic encapsulation layer 1031, an organic encapsulation layer 1032 and a second inorganic encapsulation layer 1033. There is an opening 105 between adjacent shielding structures 104, and the opening 105 overlaps the anti-peeping pixel 102 in a direction perpendicular to the plane where the substrate 101 is located.

[0051] In this structure, a thicker encapsulation layer 103 is placed between the shielding structure 104 and the anti-peeping pixel 102. The shielding structure 104 is far away from the anti-peeping pixel 102 in the vertical direction. If the shielding structure 104 is to be able to block the larger angle light emitted by the anti-peeping pixel 102, the adjacent anti-peeping pixels 102 need to be spaced sufficiently apart, which results in a decrease in the aperture ratio of the anti-peeping pixel 102 and a greatly reduced lifespan of the anti-peeping pixel 102.

[0052] For example, the thickness of the first inorganic encapsulation layer 1031 and the second inorganic encapsulation layer 1033 are 1 μm respectively, the thickness of the organic encapsulation layer 1032 is 17 μm, and along the first direction x, the width m1 of the anti-peeping pixel 102 is 10 μm, and the width m2 of the shielding structure 104 is 15 μm, so that the light beyond 45° can be blocked to achieve anti-peeping with a viewing angle of more than 45°.

[0053] Based on this, the embodiment of the present invention proposes that the shielding structure 104 can be designed as a double-layer structure. Figure 2 As shown, Figure 2 A schematic diagram of the structure of a display panel provided by an embodiment of the present invention, wherein the shielding structure 104 includes a first shielding portion 1041 and a second shielding portion 1042. The side of the encapsulation layer 103 away from the substrate further includes a light extraction layer 106, wherein the light extraction layer 106 includes a dimming portion 1061 and a dimming layer 1062 covering the dimming portion 1061, and the dimming layer 1062 is spaced between the first shielding portion 1041 and the second shielding portion 1042. However, the improvement effect of this structure is still poor, and it is difficult to significantly improve the aperture ratio of the anti-peeping pixel.

[0054] In this regard, an embodiment of the present invention further provides a display panel, such as Figure 3 As shown, Figure 3 Another structural schematic diagram of a display panel provided in an embodiment of the present invention, the display panel includes a substrate 1, a pixel layer 2, an encapsulation layer 3 and a plurality of shielding structures 4.

[0055] The pixel layer 2 includes a first pixel 5, and the first pixel 5 is an anti-peeping pixel.

[0056] The encapsulation layer 3 is located on a side of the pixel layer 2 away from the substrate 1 , and the encapsulation layer 3 is a single-layer film structure.

[0057] The shielding structure 4 includes a first shielding portion 6 and a second shielding portion 7. The first shielding portion 6 is located on the side of the encapsulation layer 3 away from the substrate 1, and can be specifically located on the surface of the encapsulation layer 3 away from the substrate 1, that is, the first shielding portion 6 is arranged adjacent to the encapsulation layer 3, and no other film layer is separated therebetween, and a first opening 8 is provided between the first shielding portions 6 of adjacent shielding structures 4. The second shielding portion 7 is located on the side of the first shielding portion 6 away from the substrate 1, and a second opening 9 is provided between the second shielding portions 7 of adjacent shielding structures 4. In a direction perpendicular to the plane where the substrate 1 is located, the first pixel 5, the first opening 8, and the second opening 9 at least partially overlap.

[0058] Different from the above structure, the display panel provided by the embodiment of the present invention adopts a single-layer packaging design. The packaging structure under this packaging method is a very thin inorganic layer with a very small film thickness. Therefore, when the first shielding portion 6 is arranged above it, the longitudinal distance between the first shielding portion 6 and the first pixel 5 can be greatly reduced, so that the first shielding portion 6 and the first pixel 5 are very close to each other, and the first shielding portion 6 can block the light of a larger angle emitted by the first pixel 5. At the same time, a second shielding portion 7 is also arranged above the first shielding portion 6. Compared with the first shielding portion 6, the longitudinal distance between the second shielding portion 7 and the first pixel 5 is slightly larger, and the second shielding portion 7 can block the light of a smaller angle emitted by the first pixel 5.

[0059] Using the technical solution provided by the embodiment of the present invention, such as Figure 4 As shown, Figure 4 The size comparison diagram of the first pixel 5 provided in the embodiment of the present invention shows that, under the condition that the display panel achieves the same anti-peeping angle, the spacing between adjacent first pixels 5 can be reduced, so that the aperture ratio of the first pixel 5 can be larger. For example, along the first direction x, the width m1 of the first pixel 5 can be greater than or equal to the width m2 of the shielding structure 4, thereby effectively extending the life of the first pixel 5.

[0060] In a feasible implementation manner, the encapsulation layer 3 is an inorganic layer, and may specifically include an oxide material, such as an aluminum oxide material.

[0061] In an embodiment of the present invention, the encapsulation layer 3 can be formed by an atomic layer deposition (ALD) process. The single-layer encapsulation film formed by this process has high density and can effectively block the invasion of external water vapor, oxygen, impurities and other substances, thereby achieving a good encapsulation effect.

[0062] In one possible implementation, see Figure 3 , the film thickness h of the encapsulation layer 3 is less than 1 μm. Further, 30 nm ≤ h ≤ 100 nm.

[0063] The encapsulation layer 3 with this thickness is very thin. When the first shielding portion 6 is placed above it, the longitudinal distance between the first shielding portion 6 and the first pixel 5 can be compressed to a great extent, so that the first shielding portion 6 can block the light at a larger angle emitted by the first pixel 5, and then under the condition that the display panel achieves the same anti-peeping angle, the aperture ratio of the first pixel 5 can be increased to a greater extent.

[0064] In a possible implementation, Figure 5 and Figure 6 As shown, Figure 5 A top view of a display panel provided by an embodiment of the present invention, Figure 6 This is another top view of the display panel provided by an embodiment of the present invention. The pixel layer 2 includes a first display unit 10. The first display unit 10 includes at least two first pixels 5 of the same color arranged along a first direction x.

[0065] Combination Figure 7 The pixel layer 2 further includes a second pixel 11, which is a shared pixel. The area of ​​the second pixel 11 is larger than the area of ​​the first pixel 5 of the same color.

[0066] On the plane where the substrate 1 is located, the orthographic projection of the first pixel 5 has at least an orthographic projection of the shielding structure 4 on opposite sides of the first direction x.

[0067] Take the first direction x as the left and right viewing direction and the display panel for left and right anti-peeping as an example: the display panel has an anti-peeping mode and a sharing mode. In the sharing mode, the second pixel 11 emits light, and the first pixel 5 may or may not emit light, and the user can normally view the picture at both the front viewing angle and the left and right viewing angles. In the anti-peeping mode, the first pixel 5 emits light, and the second pixel 11 does not emit light. The light emitted by the first pixel 5 at the left and right viewing angles will be blocked by the shielding structures 4 on its left and right sides, so that the user can view the picture at the front viewing angle, but cannot view the picture at the left and right viewing angles, so that the display panel can achieve anti-peeping at the left and right viewing angles.

[0068] The first display unit 10 is an anti-peeping display unit. This structure can be understood as dividing the pixels in the first display unit 10 into at least two anti-peeping pixels (first pixels 5) with smaller sizes arranged along the first direction x by pixel segmentation. In this way, each anti-peeping pixel is provided with a shielding structure 4 on both sides, and the light emitted by each anti-peeping pixel at the left and right viewing angles can be shielded to a greater extent by the shielding structures 4 on both sides, and the anti-peeping effect is better under the left and right viewing angles. Compared with directly designing the first pixel 5 to be the same area as the second pixel 11, this pixel segmentation design can enable the display panel to achieve a better anti-peeping effect.

[0069] In an optional specific structure, the first pixel 5 includes a first type first pixel 5-1, a second type first pixel 5-2 and a third type first pixel 5-3. The second pixel 11 includes a first type second pixel 11-1, a second type second pixel 11-2 and a third type second pixel 11-3.

[0070] The first pixel 5-1 of the first category has the same color as the second pixel 11-1 of the first category, the first pixel 5-2 of the second category has the same color as the second pixel 11-2 of the second category, and the first pixel 5-3 of the third category has the same color as the second pixel 11-3 of the third category. Exemplarily, the color of the first pixel 5-3 of the third category is blue, and the color of one of the first pixel 5-1 of the first category and the second pixel 5-2 is red, and the color of the other is green.

[0071] The first display unit 10 includes a first-type first display unit 10-1, a second-type first display unit 10-2, and a third-type first display unit 10-3. The first-type first display unit 10-1 includes at least two first-type first pixels 5-1 arranged along a first direction x, the second-type first display unit 10-2 includes at least two second-type first pixels 5-2 arranged along the first direction x, and the third-type first display unit 10-3 includes at least two third-type first pixels 5-3 arranged along the first direction x.

[0072] The display panel includes a plurality of repeating units 60, the repeating unit 60 including a first type of first display unit 10-1, a first type of second pixel 11-1, a second type of first display unit 10-2, and a second type of second pixel 11-2 arranged along a second direction y, and a third type of first display unit 10-3 and a third type of second pixel 11-3 arranged along the second direction y. The second direction y intersects the first direction x.

[0073] In one structure, see Figure 5In the repeating unit 60, along the first direction x, the third-type first display unit 10-3 overlaps with the first-type first display unit 10-1, and a shielding structure 4 can be shared between two third-type first pixels 5-3 and the first-type first pixel 5-1 that are close to each other in the third-type first display unit 10-3 and the first-type first display unit 10-1.

[0074] That is, in this structure, the shielding structure 4 includes a first sub-shielding structure 81 , a second sub-shielding structure 82 , a third sub-shielding structure 83 and a fourth sub-shielding structure 84 .

[0075] Among them, in the direction perpendicular to the plane where the substrate 1 is located, the orthographic projection of the first sub-blocking structure 81 is located between the orthographic projections of two adjacent first-class first pixels 5-1, the orthographic projection of the second sub-blocking structure 82 is located on the opposite sides of the orthographic projection of the second-class first pixel 5-2 in the first direction x, the orthographic projection of the third sub-blocking structure 83 is located between the orthographic projections of two adjacent third-class first pixels 5-3, and the orthographic projection of the fourth sub-blocking structure 84 is located between the orthographic projections of the adjacent first-class first pixels 5-1 and the orthographic projections of the third-class first pixels 5-3. The fourth sub-blocking structure 84 is used to block the light emitted by the first-class first pixels 5-1 and the third-class first pixels 5-3.

[0076] When the color of the third-category first pixel 5-3 is blue, generally, the size of the third-category first pixel 5-3 in the second direction y is larger than the sizes of the first-category first pixel 5-1 and the second-category first pixel 5-2 in the second direction y.

[0077] In this regard, in order to ensure that the fourth sub-blocking structure 84 and the third sub-blocking structure 83 can effectively block the light of the third type first pixel 5-3, along the second direction y, the width of the fourth sub-blocking structure 84 can be set to be greater than the width of the first sub-blocking structure 81 and the second sub-blocking structure 82, and the width of the third sub-blocking structure 83 can be set to be greater than the width of the first sub-blocking structure 81 and the second sub-blocking structure 82.

[0078] Furthermore, along the first direction x, when the third-category first display unit 10-3 only partially overlaps with the first-category first display unit 10-1, the width of the fourth sub-shielding structure 84 in the second direction y can be set to be greater than the size of the third-category first pixel 5-3 in the second direction y, so that along the first direction x, the first-category first pixel 5-1 can completely overlap with the fourth sub-shielding structure 84, and the third-category first pixel 5-3 can also completely overlap with the fourth sub-shielding structure 84, and the fourth sub-shielding structure 84 can effectively block the light of the first-category first pixel 5-1 and the third-category first pixel 5-3 on both sides thereof. At this time, the width of the third sub-shielding structure 83 in the second direction y can be consistent with the width of the fourth sub-shielding structure 84 in the second direction y.

[0079] Exemplarily, along the second direction y, the width of the fourth sub-blocking structure 84 is 1.5 times or more of the width of the first sub-blocking structure 81 .

[0080] Further, see again Figure 5 Along the first direction x, the third-type first display unit 10-3 does not overlap with the first-type second pixel 11-1, and the fourth sub-blocking structure 84 does not overlap with the first-type second pixel 11-1, so as to prevent the fourth sub-blocking structure 84 from affecting the normal light output of the first-type second pixel 11-1.

[0081] In addition, see again Figure 5 Along the first direction x, the third-type second pixel 11-3 overlaps with the second-type second pixel 11-2 but does not overlap with the second-type first display unit 10-2, so as to prevent the second sub-shielding structure 82 from affecting the light output of the third-type second pixel 11-3.

[0082] Alternatively, in another structure, first pixels 5 of different types may not share the shielding structure 4. Figure 6 , along the first direction x, the third-class first display unit 10-3 overlaps with the first-class first display unit 10-1, but two third-class first pixels 5-3 and the first-class first pixels 5-1 that are close to each other in the third-class first display unit 10-3 and the first-class first display unit 10-1 do not share the shielding structure 4.

[0083] That is, in this structure, the shielding structure 4 includes a first sub-shielding structure 81 , a second sub-shielding structure 82 and a third sub-shielding structure 83 .

[0084] In which, in the direction perpendicular to the plane where the substrate 1 is located, the orthographic projection of the first sub-blocking structure 81 is located on the opposite side of the orthographic projection of the first type first pixel 5-1 in the first direction x, the orthographic projection of the second sub-blocking structure 82 is located on the opposite side of the orthographic projection of the second type first pixel 5-2 in the first direction x, and the orthographic projection of the third sub-blocking structure 83 is located on the opposite side of the orthographic projection of the third type first pixel 5-3 in the first direction x.

[0085] When the color of the third-category first pixel 5-3 is blue, generally, the size of the third-category first pixel 5-3 in the second direction y is larger than the sizes of the first-category first pixel 5-1 and the second-category first pixel 5-2 in the second direction y.

[0086] In this regard, in order to ensure that the third sub-blocking structure 83 can effectively block the light of the third type first pixel 5-3, the width of the third sub-blocking structure 83 can be set to be greater than the width of the first sub-blocking structure 81 and the second sub-blocking structure 82 along the second direction y.

[0087] Furthermore, combined with Figure 6 and Figure 7 , Figure 7 for Figure 6 A cross-sectional view along the A1-A2 direction, along the first direction x, at least a portion of the second pixel 11 overlaps with the first pixel 5. For example, see Figure 6 , along the first direction x, the first-category second pixel 11 - 1 overlaps with the third-category first pixel 5 - 3 , and the third-category second pixel 11 - 3 overlaps with the second-category first pixel 5 - 2 .

[0088] The shielding structure 4 includes a first shielding structure 12. On the plane where the substrate 1 is located, the orthographic projection of the first shielding structure 12 is located between the orthographic projection of the second pixel 11 and the orthographic projection of the first pixel 5, and the distance k1 between the orthographic projection of the first shielding structure 12 and the orthographic projection of the second pixel 11 is greater than the distance k2 between the orthographic projection of the first shielding structure 12 and the orthographic projection of the first pixel 5.

[0089] For example, see Figure 6 , the first shielding structure 12 includes a third sub-shielding structure 83. On the plane where the substrate 1 is located, the orthographic projection of the third sub-shielding structure 83 is located between the orthographic projection of the first-type second pixel 11-1 and the orthographic projection of the third-type first pixel 5-3, and the spacing between the orthographic projection of the third sub-shielding structure 83 and the orthographic projection of the first-type second pixel 11-1 is greater than the spacing between the orthographic projection of the third sub-shielding structure 83 and the orthographic projection of the third-type first pixel 5-3.

[0090] The shielding structure 12 includes a second sub-shielding structure 82. On the plane where the substrate 1 is located, the orthographic projection of the second sub-shielding structure 82 is located between the orthographic projection of the third-category second pixel 11-3 and the orthographic projection of the second-category first pixel 5-2, and the spacing between the orthographic projection of the second sub-shielding structure 82 and the orthographic projection of the third-category second pixel 11-3 is greater than the spacing between the orthographic projection of the second sub-shielding structure 82 and the orthographic projection of the second-category first pixel 5-2.

[0091] By setting the distance between the first shielding structure 12 and the second pixel 11 to be greater than the distance between the first shielding structure and the first pixel 5, the first shielding structure 12 can block the oblique-angle light emitted by the first pixel 5 without blocking the light emitted by the second pixel 11 on its side, thereby avoiding affecting the display effect in the sharing mode.

[0092] In a possible implementation, Figure 8 As shown, Figure 8 This is another structural schematic diagram of a display panel provided by an embodiment of the present invention. In a direction perpendicular to the plane where the substrate 1 is located, there is a gap between the first shielding portion 6 and the second shielding portion 7.

[0093] That is, there are other film layers between the first shielding portion 6 and the second shielding portion 7. In this way, the number of film layers between the first shielding portion 6 and the second shielding portion 7, the film thickness and other parameters can be designed to flexibly adjust the longitudinal distance between the second shielding portion 7 and the first pixel 5, and then adjust the minimum shading angle that the shielding structure 4 can have, thereby improving the flexibility of the anti-peeping angle design of the display panel. Then, under the condition that the display panel achieves the same anti-peeping angle, the spacing between adjacent first pixels 5 can be reduced, so that the aperture ratio of the first pixel 5 is larger.

[0094] In one possible implementation, see again Figure 8 The display panel further includes a first film layer 13 , which is located between the first shielding portion 6 and the second shielding portion 7 . The first film layer 13 includes a touch layer 14 and / or a light extraction layer 15 .

[0095] The touch layer 14 may include a first electrode layer 16, a first insulating layer 17, a second electrode layer 18 and a second insulating layer 19 stacked in a direction away from the substrate 1. One of the first electrode layer 16 and the second electrode layer 18 includes a touch electrode, and the other includes a touch signal line.

[0096] The light extraction layer 15 may specifically include a plurality of dimming parts 20 and a dimming layer 21 covering the dimming parts 20. In a direction perpendicular to the plane where the substrate 1 is located, the first pixel 5 and the second pixel 11 overlap with the dimming part 20. Exemplarily, in a direction perpendicular to the plane where the substrate 1 is located, there may be a gap between the edge of the orthographic projection of the first pixel 5 and the edge of the orthographic projection of the dimming part 20, and the gap may be set to about 2.02 μm, for example. The refractive index of the dimming part 20 and the dimming layer 21 are different, for example, the refractive index of the dimming part 20 is greater than the refractive index of the dimming layer 21. After the light emitted by the first pixel 5 and the second pixel 11 enters the light extraction layer 15, it will be refracted at the interface between the dimming part 20 and the dimming layer 21, thereby converting the large-angle light into small-angle light, thereby improving the brightness of the light output at the normal viewing angle.

[0097] The display panel further includes an organic spacer layer 22 , and the organic spacer layer 22 is located between the first film layer 13 and the first shielding portion 6 .

[0098] In the film structure of the display panel, the film thickness of the organic layer is usually much greater than that of the inorganic layer. An organic spacer layer 22 is provided between the first film layer 13 and the first shielding portion 6. On the one hand, the organic spacer layer 22 is spaced between the touch layer 14 and the pixel layer 2, which can reduce the mutual interference between the touch signal and the display signal; and / or, the organic spacer layer 22 is spaced between the light extraction layer 15 and the pixel layer 2, so that the light extraction layer 15 is far away from the pixel layer 2, and more oblique light emitted by the first pixel 5 and the second pixel 11 can be injected into the interface between the dimming portion 20 and the dimming layer 21, which helps to further improve the light extraction rate. On the other hand, the second shielding portion 7 is far away from the first pixel 5, and the second shielding portion 7 can block the light emitted by the first pixel 5 at a smaller angle, thereby improving the anti-peeping effect.

[0099] Furthermore, the thickness of the organic spacer layer 22 may be set to be greater than 10 μm, so that there is a sufficient gap between the pixel layer 2 and the touch layer 14 , the light extraction layer 15 , and the second shielding portion 7 .

[0100] In a feasible implementation, the dielectric constant of the organic spacer layer 22 is ε1, 2.3≤ε1≤3. The dielectric constant of the organic spacer layer 22 is relatively low, which can further reduce the mutual interference between the touch layer 14 and the pixel layer 2 and ensure the touch performance.

[0101] In a feasible implementation manner, the organic spacer layer 22 includes an organic photoresist material.

[0102] The organic spacer layer 22 includes an organic photoresist material, which means that the organic spacer layer 22 can be formed by an etching process. Fig. 9 As shown, Fig. 9Another structural schematic diagram of a display panel provided in an embodiment of the present invention, wherein the organic spacer layer 22 formed by etching has a uniform film thickness and has better film flatness. More specifically, the display panel includes a display area AA and a non-display area NAA located on one side of the display area AA. The organic spacer layer 22 includes a first portion 23 located in the non-display area NAA and a second portion 24 located at least in the display area AA, and the film thickness of the first portion 23 is equal to the film thickness of the second portion 24.

[0103] Alternatively, in another feasible implementation, the organic spacer layer 22 can also be formed by inkjet printing. During the inkjet printing process, the ink droplets in the central area can overlap and spread relatively evenly, while in the edge area, the deposition distribution of the droplets will change, making the film thickness in the edge area smaller.

[0104] like Fig.10 As shown, Fig.10 Another structural schematic diagram of a display panel provided in an embodiment of the present invention, the display panel includes a display area AA and a non-display area NAA located on one side of the display area AA. The organic spacer layer 22 includes a first portion 23 located in the non-display area NAA and a second portion 24 located at least in the display area AA. The film thickness of the first portion 23 is less than the film thickness of the second portion 24. For example, in the direction from the display area AA to the non-display area NAA, the film thickness of the first portion 23 decreases.

[0105] The film layer formed by inkjet printing can have a greater film thickness. When the organic spacer layer 22 is formed by inkjet printing, the film thickness of the organic spacer layer 22 can be set within a larger range, which helps to more flexibly adjust the longitudinal distance between the second shielding portion 7 and the first pixel 5 and adjust the light shielding angle of the second shielding portion 7.

[0106] Further, see again Fig.10 The display panel further includes a barrier dam 25 , which is located in the non-display area NAA and between the organic spacer layer 22 and the outer edge of the display panel.

[0107] During the printing process, after the ink is ejected from the nozzle, it will have a tendency to spread naturally under the action of surface tension and the like. By setting a barrier dam 25, the barrier dam 25 can be used to prevent the ink from exceeding the set printing area and confine the ink to a specific range, thereby ensuring that the ink is deposited according to a preset pattern or area.

[0108] It should be noted that, unlike the organic spacer layer 22 formed by printing, when the organic spacer layer 22 is formed by etching, since the organic photoresist material has almost no fluidity during the process, there is no need to set a blocking dam 25 near the outer edge of the display panel.

[0109] In one possible implementation, see again Fig. 9 , on the plane where the substrate 1 is located, the orthographic projection of the organic spacer layer 22 overlaps with the orthographic projection of the encapsulation layer 3. In a process, after the organic spacer layer 22 is formed, the organic spacer layer 22 can be regarded as a mask, and then the encapsulation layer 3 in the area outside the area covered by the organic spacer layer 22 is etched away, so that the edge of the encapsulation layer 3 is kept flush with the edge of the organic spacer layer 22.

[0110] When the edges of the encapsulation layer 3 and the organic spacer layer 22 are flush, when subjected to external forces such as thermal expansion and contraction, mechanical vibration, etc., the stress can be more evenly distributed on the entire encapsulation structure, which can reduce the stress concentration caused by uneven edges, and thus help prevent the encapsulation layer 3 or the organic spacer layer 22 from being damaged by cracks, peeling, etc. due to stress concentration, thereby improving the structural stability of the display panel.

[0111] In a possible implementation, Fig.11 As shown, Fig.11 This is another structural schematic diagram of a display panel provided by an embodiment of the present invention. Along the first direction x, the width of the first blocking portion 6 is greater than the width of the second blocking portion 7 .

[0112] That is, along the first direction x, the width of the first shielding portion 6 is a1, and the width of the second shielding portion 7 is a2. For example, the width a1 of the first shielding portion 6 can be designed to be 14 μm, 16 μm, etc., and the width a2 of the second shielding portion 7 can be designed to be 10 μm, etc.

[0113] In the shielding structure 4, the first shielding portion 6 is close to the pixel layer 2, and the first shielding portion 6 is mainly used to shield the light at a larger angle emitted by the first pixel 5, so the first shielding portion 6 largely determines the maximum anti-peeping angle of the display panel. Furthermore, the width of the first shielding portion 6 will greatly affect the angle range of the light that can be shielded by the first shielding portion 6. For this reason, in the embodiment of the present invention, the widths of the first shielding portion 6 and the second shielding portion 7 can be designed differently, and the first shielding portion 6 can be set wider, and then the first shielding portion 6 is used to shield the light at a larger angle, so that the anti-peeping angle range of the display panel can be larger.

[0114] Further, see Fig.11 On the plane where the substrate 1 is located, the distance between the edge of the orthographic projection of the first blocking portion 6 and the edge of the orthographic projection of the first pixel 5 is x1, x1≥0, so as to avoid the first blocking portion 6 blocking the first pixel 5, and the distance between the edge of the orthographic projection of the second blocking portion 7 and the edge of the orthographic projection of the light-emitting layer 26 is x2, x2>x1.

[0115] In a possible implementation, Fig.12As shown, Fig.12 This is another structural schematic diagram of a display panel provided by an embodiment of the present invention. The first pixel 5 includes a light-emitting layer 26 , and the light-emitting layer 26 includes a first top surface 27 away from the substrate 1 .

[0116] The first shielding portion 6 includes a first bottom surface 28 close to the substrate 1 , and the second shielding portion 7 includes a second bottom surface 29 close to the substrate 1 .

[0117] The distance between the first top surface 27 and the first bottom surface 28 in a direction perpendicular to the plane where the substrate 1 is located is d1, and the distance between the first top surface 27 and the second bottom surface 29 in a direction perpendicular to the plane where the substrate 1 is located is d2.

[0118] In the embodiment of the present invention, the first shielding portion 6 is located above the encapsulation layer 3. Since the encapsulation layer 3 in the embodiment of the present invention is a single-layer encapsulation, the longitudinal distance d1 between the first shielding portion 6 and the light-emitting layer 26 is small and close to the film thickness of the encapsulation layer 3. On this basis, when setting the longitudinal distance d2 between the second shielding portion 7 and the light-emitting layer 26, by setting the minimum value of the ratio between d2 and d1 to 10, it can be ensured that the second shielding portion 7 and the light-emitting layer 26 can be separated by a sufficient distance, so that the second shielding portion 7 can block the small-angle light emitted by the first pixel 5, and ensure the minimum anti-peeping angle that the display panel can have. Furthermore, setting the maximum value of the ratio between d2 and d1 to 50 can also prevent the second shielding portion 7 from being too far away from the light-emitting layer 26 and affecting the module thickness of the display panel.

[0119] Exemplarily, d1<1 μm, d2>10 μm, for example, 17 μm.

[0120] In one possible implementation, see Figure 8 The display panel further includes a light extraction layer 15 , which is located between the first shielding portion 6 and the second shielding portion 7 .

[0121] The light extraction layer 15 includes a plurality of dimming parts 20 and a dimming layer 21 covering the dimming parts 20. In a direction perpendicular to the plane where the substrate 1 is located, the first pixel 5 overlaps with the dimming part 20. The dimming part 20 includes a first surface 30 and a second surface 31 opposite to each other, and a first inclined surface 32 connected between the first surface 30 and the second surface 31. In a direction perpendicular to the plane where the substrate 1 is located, the second shielding part 7 does not overlap with the first inclined surface 32.

[0122] Exemplarily, a distance p1 between an orthographic projection of the second shielding portion 7 on the substrate 1 and an orthographic projection of the first inclined surface 32 on the substrate 1 is about 1.6 μm.

[0123] In the light extraction layer 15, the refractive indexes of the dimming part 20 and the dimming layer 21 are different, for example, the refractive index of the dimming part 20 is greater than the refractive index of the dimming layer 21. After the light emitted by the first pixel 5 and the second pixel 11 enters the light extraction layer 15, it will be refracted at the interface between the dimming part 20 and the dimming layer 21, thereby converting the large-angle light into small-angle light, thereby improving the brightness of the light output under the normal viewing angle. Therefore, the first inclined surface 32 of the dimming part 20 is the main surface that acts on the light. When setting the second shielding part 7, the second shielding part 7 is not overlapped with the first inclined surface 32, so as to avoid the second shielding part 7 from affecting the dimming effect of the light extraction layer 15, thereby ensuring that the display panel has a high light extraction rate.

[0124] In a possible implementation, Fig.13 As shown, Fig.13 This is another structural schematic diagram of a display panel provided in an embodiment of the present invention, in which the film thickness of the first shielding portion 6 is greater than the film thickness of the second shielding portion 7, so that the side wall of the first shielding portion 6 blocks more oblique light, thereby reducing the risk of oblique light passing through the adjacent second opening 9 and emitting out of the panel.

[0125] Or, in another feasible implementation, as Fig.14 As shown, Fig.14 This is another structural schematic diagram of a display panel provided by an embodiment of the present invention, in which the film thickness of the second shielding portion 7 is greater than the film thickness of the first shielding portion 6 .

[0126] In the shielding structure 4, the second shielding portion 7 is mainly used to shield the light of a smaller angle emitted by the first pixel 5, and the film thickness of the second shielding portion 7 will greatly affect the angle range of the light that can be shielded by the second shielding portion 7. For this reason, in the embodiment of the present invention, the film thickness of the first shielding portion 6 and the second shielding portion 7 can be designed differently, and the second shielding portion 7 can be set thicker, so that the side wall of the second shielding portion 7 can shield more light of a smaller angle, so that the anti-peeping angle range of the display panel can be larger.

[0127] Further, see again Fig.14 , the film thickness of the first shielding portion 6 is a1, the film thickness of the second shielding portion 7 is a2, Can satisfy:

[0128] Setting the minimum value of the ratio between a2 and a1 to 3 can ensure that the second shielding portion 7 has sufficient thickness to block more light. Setting the maximum value of the ratio between a2 and a1 to 50 can prevent the second shielding portion 7 from being too thick, which would cause the module thickness of the display panel to be larger, thereby avoiding affecting the thin and lightweight design of the display panel.

[0129] In a feasible implementation manner, in order to ensure that the second shielding portion 7 has a greater thickness, the film thickness of the second shielding portion 7 may be set to be greater than 10 μm, so as to shield more light at a smaller angle.

[0130] Further, see Fig.14 The display panel further includes a first dam 33 , and the first dam 33 is located around the second shielding portion 7 .

[0131] In the embodiment of the present invention, the second shielding portion 7 can be formed by inkjet printing process. In such pixel-level inkjet printing, a first dam 33 can be set around the printing area to block the diffusion of ink at the edge of the printing area, so as to ensure that the ink of each pixel can be accurately deposited at a predetermined position, thereby ensuring the pixel-level accuracy of the printed image. In addition, the first dam 33 can also play a certain role in limiting and guiding the flow of ink during the printing process, so that the flow of ink in the printing area is more stable and uniform, and the printing consistency is avoided to be affected by the uneven flow of ink.

[0132] In a possible implementation, Fig.15 As shown, Fig.15 This is another structural schematic diagram of a display panel provided by an embodiment of the present invention, in which the first shielding portion 6 and the second shielding portion 7 in the shielding structure 4 are an integrally formed structure, and the first shielding portion 6 and the second shielding portion 7 are connected to each other without a gap therebetween. The shielding structure 4 under this structure can simultaneously form the first shielding portion 6 and the second shielding portion 7 using only one process, and the process is simpler.

[0133] When the first shielding portion 6 and the second shielding portion 7 are integrally formed, in a feasible implementation, the film thickness of the shielding structure 4 is greater than 10 μm to ensure that the shielding structure 4 has sufficient film thickness to shield light in a wider angle range. Under the condition that the display panel achieves the same anti-peeping angle, the spacing between adjacent first pixels 5 can be reduced, so that the aperture ratio of the first pixel 5 is greater.

[0134] In one possible implementation, see again Fig.15 The display panel further includes a second dam 34 , which is located on a side of the pixel layer 2 away from the substrate 1 . On the plane where the substrate 1 is located, the orthographic projection of the second dam 34 is located around the orthographic projection of the shielding structure 4 .

[0135] In the embodiment of the present invention, the shielding structure 4 can be formed by an inkjet printing process. In such pixel-level inkjet printing, a second dam 34 can be set around the printing area, and the second dam 34 can effectively block the diffusion of ink at the edge of the printing area, ensuring that the ink of each pixel can be accurately deposited at a predetermined position, thereby ensuring the pixel-level accuracy of the printed image. In addition, the second dam 34 can also play a certain role in limiting and guiding the flow of ink during the printing process, making the flow of ink in the printing area more stable and uniform, and avoiding the influence of uneven ink flow on the printing consistency.

[0136] Further, see again Fig.15 The second dam 34 is located between the pixel layer 2 and the encapsulation layer 3 , that is, before the encapsulation layer 3 is formed, the second dam 34 is formed first.

[0137] As mentioned above, the encapsulation layer 3 in the embodiment of the present invention is a single-layer encapsulation and is very thin. Therefore, when the second dam 34 is located between the pixel layer 2 and the encapsulation layer 3, the encapsulation layer 3 will be uneven, and the upper surface of the encapsulation layer 3 will be undulating. This kind of film layer undulation can still limit the flow of ink and prevent it from diffusing, thereby achieving more precise pixel-level inkjet printing, and the position of the shielding structure 4 is more precise.

[0138] Furthermore, the upper surface of the encapsulation layer 3 away from the substrate 1 is a non-flat surface, that is, when the second dam 34 is located at the lower side of the encapsulation layer 3, the encapsulation layer 3 will be lifted up, making the encapsulation layer 3 uneven, and the encapsulation layer 3 will be concave in the area between the second dams 34, thereby restricting the flow of ink.

[0139] Or, if Fig.16 As shown, Fig.16 This is another structural schematic diagram of a display panel provided by an embodiment of the present invention. The second dam 34 is located on a side of the encapsulation layer 3 away from the substrate 1 , that is, the second dam 34 is formed after the encapsulation layer 3 is formed.

[0140] The second dam 34 is located above the encapsulation layer 3. When ink is sprayed, the second dam 34 directly contacts the ink. The second dam 34 blocks the flow of ink more obviously, which can ensure the pixel-level accuracy of the printed image to a greater extent and reduce the risk of deviation in the formation position of the shielding structure 4.

[0141] like Fig.17 and Fig.18 As shown, Fig.17 This is another structural schematic diagram of a display panel provided by an embodiment of the present invention. Fig.18This is another structural schematic diagram of a display panel provided in an embodiment of the present invention, the pixel layer 2 includes a pixel definition layer 50, and the pixel definition layer includes an opening for accommodating the light-emitting layer 26. In the embodiment of the present invention, some support columns 51 may be provided above the pixel definition layer, and the support columns 51 are used to support the mask plate in the process of forming the light-emitting layer 26. In the embodiment of the present invention, the height of the second dam 34 may be greater than the height of the support columns 51, so that the second dam 34 can effectively block the flow of ink.

[0142] In a possible implementation, Fig.19 As shown, Fig.19 This is another structural diagram of a display panel provided by an embodiment of the present invention, and the display panel further includes a light extraction layer 15 and a touch layer 14. The light extraction layer 15 and the touch layer 14 are both located on the side of the first shielding portion 6 away from the substrate 1, and the light extraction layer 15 is located between the first shielding portion 6 and the touch layer 14, so that the touch layer 14 is further away from the pixel layer 2, and the signal interference between the touch layer 14 and the pixel layer 2 is avoided to a greater extent, thereby ensuring the touch performance.

[0143] Based on the same inventive concept, the embodiment of the present invention further provides a method for manufacturing a display panel, Figure 3 ,like Fig. 20 and Fig.21 As shown, Fig. 20 A flow chart of a method for manufacturing a display panel provided by an embodiment of the present invention, Fig.21 Another flow chart of a method for manufacturing a display panel provided by an embodiment of the present invention, the manufacturing method includes:

[0144] Step S1 : forming a pixel layer 2 on one side of a substrate 1 , wherein the pixel layer 2 includes a first pixel 5 .

[0145] Step S2: forming a packaging layer 3 on the pixel layer 2, wherein the packaging layer 3 is a single-layer film structure.

[0146] Step S3: forming a shielding structure 4 on the encapsulation layer 3, the shielding structure 4 comprising a first shielding portion 6 and a second shielding portion 7. The first shielding portion 6 is located on the side of the encapsulation layer 3 away from the substrate 1, a first opening 8 is provided between the first shielding portions 6 of adjacent shielding structures 4, the second shielding portion 7 is located on the side of the first shielding portion 6 away from the substrate 1, a second opening 9 is provided between the second shielding portions 7 of adjacent shielding structures 4, and in a direction perpendicular to the plane where the substrate 1 is located, the first pixel 5, the first opening 8 and the second opening 9 at least partially overlap.

[0147] The display panel formed by the above-mentioned manufacturing method has a single-layer packaging design in its packaging layer 3.

[0148] The packaging structure under this packaging method is a very thin inorganic layer with a very small film thickness. Therefore, when the first shielding portion 6 is arranged above it, the longitudinal distance between the first shielding portion 6 and the first pixel 5 can be greatly reduced, so that the first shielding portion 6 and the first pixel 5 are very close to each other, and the first shielding portion 6 can shield the light of a larger angle emitted by the first pixel 5. At the same time, a second shielding portion 7 is also arranged above the first shielding portion 6. Compared with the first shielding portion 6, the longitudinal distance between the second shielding portion 7 and the first pixel 5 is slightly larger, and the second shielding portion 7 can shield the light of a smaller angle emitted by the first pixel 5.

[0149] By adopting the technical solution provided by the embodiment of the present invention, under the condition that the display panel achieves the same anti-peeping angle, the spacing between adjacent first pixels 5 can be reduced, so that the aperture ratio of the first pixel 5 can be increased, thereby effectively extending the life of the first pixel 5.

[0150] In the embodiment of the present invention, the encapsulation layer 3 can be formed by an ALD process. The single-layer encapsulation film formed by this process has high density and can effectively block the invasion of external substances such as water vapor, oxygen, and impurities, thereby achieving a good encapsulation effect.

[0151] In a possible implementation, combining Figure 8 ,like Fig. 22 As shown, Fig. 22 Another flow chart of the method for manufacturing a display panel provided by an embodiment of the present invention, after forming the first shielding portion 6, the manufacturing method further includes: forming a first film layer 13 on the first shielding portion 6, the first film layer 13 including a touch layer 14 and / or a light extraction layer 15. After forming the first film layer 13, the second shielding portion 7 is formed.

[0152] In the shading structure 4 formed by the above method, the first shielding portion 6 and the second shielding portion 7 are separated by a first film layer 13. The longitudinal distance between the second shielding portion 7 and the first pixel 5 can be flexibly adjusted by designing the number of film layers and the thickness of the film layers in the first film layer 13, thereby adjusting the minimum shading angle that the shielding structure 4 can have, thereby improving the flexibility of the anti-peeping angle design of the display panel. Then, under the condition that the display panel achieves the same anti-peeping angle, the spacing between adjacent first pixels 5 can be reduced, so that the aperture ratio of the first pixel 5 is larger.

[0153] Further, see again Fig. 22 After forming the first shielding portion 6 and before forming the first film layer 13 , the manufacturing method further includes: forming an organic spacer layer 22 .

[0154] In the film structure of the display panel, the film thickness of the organic layer is usually much greater than that of the inorganic layer. An organic spacer layer 22 is provided between the first film layer 13 and the first shielding portion 6. On the one hand, the organic spacer layer 22 is spaced between the touch layer 14 and the pixel layer 2, which can reduce the mutual interference between the touch signal and the display signal; and / or, the organic spacer layer 22 is spaced between the light extraction layer 15 and the pixel layer 2, so that the light extraction layer 15 is far away from the pixel layer 2, and more oblique light emitted by the first pixel 5 and the second pixel 11 can be injected into the interface between the dimming portion 20 and the dimming layer 21, which helps to further improve the light extraction rate. On the other hand, the second shielding portion 7 is far away from the first pixel 5, and the second shielding portion 7 can block the light emitted by the first pixel 5 at a smaller angle, thereby improving the anti-peeping effect.

[0155] Furthermore, the process of forming the organic spacer layer 22 includes: forming the organic spacer layer 22 by using an etching process, so that the organic spacer layer 22 has a uniform film thickness and has better film flatness.

[0156] For the organic spacer layer 22 formed by etching, Fig. 9 The organic spacer layer 22 includes a first portion 23 located in the non-display area NAA and a second portion 24 located at least in the display area AA, and the film thickness of the first portion 23 is equal to the film thickness of the second portion 24.

[0157] Alternatively, the process of forming the organic spacer layer 22 may also include: forming the organic spacer layer 22 using a printing process so that the organic spacer layer 22 can have a larger film thickness, and setting the film thickness of the organic spacer layer 22 within a larger range, thereby helping to more flexibly adjust the longitudinal distance between the second shielding portion 7 and the first pixel 5, and adjust the shading angle of the second shielding portion 7.

[0158] For the organic spacer layer 22 formed by printing, during the inkjet printing process, the ink droplets in the central area can overlap and spread relatively evenly, while in the edge area, the deposition distribution of the droplets will change, making the film thickness in the edge area smaller. Fig.10 The organic spacer layer 22 includes a first portion 23 located in the non-display area NAA and a second portion 24 located at least in the display area AA, wherein the film thickness of the first portion 23 is less than the film thickness of the second portion 24. For example, in the direction from the display area AA to the non-display area NAA, the film thickness of the first portion 23 decreases.

[0159] In a possible implementation, Fig.23 As shown, Fig.23Another flow chart of the method for manufacturing a display panel provided by an embodiment of the present invention, the second shielding portion 7 is formed by a printing process. Before forming the second shielding portion 7, the manufacturing method further includes: forming a first dam 33, the first dam 33 is located around the printing area of ​​the second shielding portion 7.

[0160] In the embodiment of the present invention, the second shielding portion 7 can be formed by inkjet printing process. In such pixel-level inkjet printing, a first dam 33 can be set around the printing area to block the diffusion of ink at the edge of the printing area, so as to ensure that the ink of each pixel can be accurately deposited at a predetermined position, thereby ensuring the pixel-level accuracy of the printed image. In addition, the first dam 33 can also play a certain role in limiting and guiding the flow of ink during the printing process, so that the flow of ink in the printing area is more stable and uniform, and the printing consistency is avoided to be affected by the uneven flow of ink.

[0161] In one possible implementation, see Fig.21 The process of forming the shielding structure 4 includes: using a printing process to form an integrally formed first shielding portion 6 and a second shielding portion 7.

[0162] The first shielding portion 6 and the second shielding portion 7 thus formed are connected to each other without a gap therebetween. The shielding structure 4 can be formed by only one process to form the first shielding portion 6 and the second shielding portion 7 at the same time, which simplifies the process.

[0163] Furthermore, if Fig.24 As shown, Fig.24 Another flow chart of the method for manufacturing a display panel provided in an embodiment of the present invention, after forming the pixel layer 2 and before forming the shielding structure 4, the manufacturing method further includes: forming a second dam 34, and the second dam 34 is located around the printing area of ​​the shielding structure 4.

[0164] In the embodiment of the present invention, the shielding structure 4 can be formed by an inkjet printing process. In such pixel-level inkjet printing, a second dam 34 can be set around the printing area, and the second dam 34 can effectively block the diffusion of ink at the edge of the printing area, ensuring that the ink of each pixel can be accurately deposited at a predetermined position, thereby ensuring the pixel-level accuracy of the printed image. In addition, the second dam 34 can also play a certain role in limiting and guiding the flow of ink during the printing process, making the flow of ink in the printing area more stable and uniform, and avoiding the influence of uneven ink flow on the printing consistency.

[0165] Based on the same inventive concept, an embodiment of the present invention further provides a display device, such as Fig.25 As shown, Fig.251 is a schematic diagram of a structure of a display device provided by an embodiment of the present invention, and the display device includes the above-mentioned display panel 100. Of course, Fig.25 The display device shown is for illustration only, and the display device may be any electronic device with a display function, such as a mobile phone, a tablet computer, a laptop computer, an e-reader or a television.

[0166] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0167] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions 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 pixel layer including a first pixel; An encapsulation layer, located at a side of the pixel layer away from the substrate, the encapsulation layer being a single-layer film structure; A plurality of shielding structures, wherein the shielding structures include a first shielding portion and a second shielding portion; wherein the first shielding portion is located on a side of the encapsulation layer away from the substrate, a first opening is provided between the first shielding portions of adjacent shielding structures, the second shielding portion is located on a side of the first shielding portion away from the substrate, a second opening is provided between the second shielding portions of adjacent shielding structures, and in a direction perpendicular to the plane where the substrate is located, the first pixel, the first opening and the second opening are at least partially overlapped.

2. The display panel according to claim 1, characterized in that: The encapsulation layer includes an oxide material.

3. The display panel according to claim 1, characterized in that: The pixel layer includes a first display unit, wherein the first display unit includes at least two first pixels of the same color arranged along a first direction; The pixel layer further includes a second pixel, the area of ​​the second pixel being larger than the area of ​​the first pixel of the same color; On the plane where the substrate is located, the orthographic projection of the first pixel has at least an orthographic projection of the shielding structure on opposite sides of the first direction.

4. The display panel according to claim 3, characterized in that: Along the first direction, at least a portion of the second pixels overlaps with the first pixels; The blocking structure includes a first blocking structure, and on the plane where the substrate is located, the orthographic projection of the first blocking structure is located between the orthographic projection of the second pixel and the orthographic projection of the first pixel, and the distance between the orthographic projection of the first blocking structure and the orthographic projection of the second pixel is greater than the distance between the orthographic projection of the first blocking structure and the orthographic projection of the first pixel.

5. The display panel according to claim 1, characterized in that: The film thickness of the encapsulation layer is greater than or equal to 30 nm and less than or equal to 100 nm.

6. The display panel according to claim 1, characterized in that: Along a direction perpendicular to a plane where the substrate is located, there is a gap between the first shielding portion and the second shielding portion.

7. The display panel according to claim 6, characterized in that: The display panel further includes a first film layer, the first film layer is located between the first shielding portion and the second shielding portion, and the first film layer includes a touch layer and / or a light extraction layer; The display panel further includes an organic spacer layer, and the organic spacer layer is located between the first film layer and the first shielding portion.

8. The display panel according to claim 7, characterized in that: The thickness of the organic spacer layer is greater than 10 μm.

9. The display panel according to claim 7, characterized in that: The dielectric constant of the organic spacer layer is ε1, 2.3≤ε1≤3.

10. The display panel according to claim 7, characterized in that: The organic spacer layer includes an organic photoresist material.

11. The display panel according to claim 7, characterized in that: The display panel includes a display area and a non-display area located on one side of the display area; The organic spacer layer includes a first portion located in the non-display area and a second portion located at least in the display area, wherein a film thickness of the first portion is smaller than a film thickness of the second portion.

12. The display panel according to claim 11, characterized in that: The display panel further includes a barrier dam, which is located in the non-display area and between the organic spacer layer and an outer edge of the display panel.

13. The display panel according to claim 7, characterized in that: On the plane where the substrate is located, the orthographic projection of the organic spacer layer overlaps with the orthographic projection of the encapsulation layer.

14. The display panel according to claim 6, characterized in that: Along the first direction, the width of the first shielding portion is greater than the width of the second shielding portion.

15. The display panel according to claim 6, characterized in that: The first pixel includes a light emitting layer, and the light emitting layer includes a first top surface away from the substrate; The first shielding portion includes a first bottom surface close to the substrate, and the second shielding portion includes a second bottom surface close to the substrate; A distance between the first top surface and the first bottom surface in a direction perpendicular to the plane where the substrate is located is d1, and a distance between the first top surface and the second bottom surface in a direction perpendicular to the plane where the substrate is located is d2.

16. The display panel according to claim 6, characterized in that: The display panel further includes a light extraction layer, wherein the light extraction layer is located between the first shielding portion and the second shielding portion; The light extraction layer includes a plurality of dimming parts and a dimming layer covering the dimming parts, the first pixel overlaps with the dimming part in a direction perpendicular to the plane where the substrate is located, and the dimming part includes a first surface and a second surface opposite to each other, and a first inclined surface connected between the first surface and the second surface; In a direction perpendicular to the plane where the substrate is located, the second shielding portion does not overlap with the first inclined surface.

17. The display panel according to claim 6, characterized in that: The film thickness of the first shielding portion is greater than the film thickness of the second shielding portion.

18. The display panel according to claim 6, characterized in that: The second shielding portion has a film thickness greater than that of the first shielding portion.

19. The display panel according to claim 18, characterized in that: The film thickness of the first shielding portion is a1, and the film thickness of the second shielding portion is a2.

20. The display panel according to claim 6, characterized in that: The second shielding portion has a thickness greater than 10 μm.

21. The display panel according to claim 20, characterized in that: The display panel further includes a first dam, and the first dam is located around the second shielding portion.

22. The display panel according to claim 1, characterized in that: The first shielding portion and the second shielding portion in the shielding structure are an integrally formed structure.

23. The display panel according to claim 22, characterized in that: The film thickness of the shielding structure is greater than 10 μm.

24. The display panel according to claim 22, characterized in that: The display panel further includes a second dam, which is located at a side of the pixel layer away from the substrate. On the plane where the substrate is located, an orthographic projection of the second dam is located around an orthographic projection of the shielding structure.

25. The display panel according to claim 24, characterized in that: The second dam is located between the pixel layer and the encapsulation layer.

26. The display panel according to claim 25, characterized in that: The upper surface of the packaging layer away from the substrate is a non-flat surface.

27. The display panel according to claim 24, characterized in that: The second dam is located at a side of the encapsulation layer away from the substrate.

28. The display panel according to claim 1, characterized in that: The display panel also includes a light extraction layer and a touch layer; The light extraction layer and the touch layer are both located on a side of the first shielding portion away from the substrate, and the light extraction layer is located between the first shielding portion and the touch layer.

29. A method for manufacturing a display panel, characterized in that: include: Forming a pixel layer on one side of the substrate, the pixel layer comprising a first pixel; forming an encapsulation layer on the pixel layer, wherein the encapsulation layer is a single-layer film structure; A shielding structure is formed on the encapsulation layer, the shielding structure comprising a first shielding portion and a second shielding portion; wherein the first shielding portion is located on a side of the encapsulation layer away from the substrate, a first opening is provided between the first shielding portions of adjacent shielding structures, the second shielding portion is located on a side of the first shielding portion away from the substrate, a second opening is provided between the second shielding portions of adjacent shielding structures, and in a direction perpendicular to the plane where the substrate is located, the first pixel, the first opening and the second opening are at least partially overlapped.

30. The method for manufacturing a display panel according to claim 29, characterized in that: After forming the first shielding portion, the manufacturing method further includes: forming a first film layer on the first shielding portion, the first film layer including a touch layer and / or a light extraction layer; After forming the first film layer, the second shielding portion is formed.

31. The method for manufacturing a display panel according to claim 30, characterized in that: After forming the first shielding portion and before forming the first film layer, the manufacturing method further includes: forming an organic spacer layer.

32. The method for manufacturing a display panel according to claim 31, characterized in that: The process of forming the organic spacer layer includes: forming the organic spacer layer by an etching process, or forming the organic spacer layer by a printing process.

33. The method for manufacturing a display panel according to claim 30, characterized in that: The second shielding portion is formed by a printing process; Before forming the second shielding portion, the manufacturing method further includes: forming a first dam, wherein the first dam is located around a printing area of ​​the second shielding portion.

34. The method for manufacturing a display panel according to claim 29, wherein: The process of forming the shielding structure includes: using a printing process to form the first shielding portion and the second shielding portion in one piece.

35. The method for manufacturing a display panel according to claim 34, characterized in that: After forming the pixel layer and before forming the shielding structure, the manufacturing method further includes: forming a second dam, wherein the second dam is located around a printing area of ​​the shielding structure.

36. A display device, characterized in that: Comprising the display panel as claimed in any one of claims 1 to 28.

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