Display panel and display device

Abstract

The invention discloses a display panel and a display device. The display panel comprises a driving backboard, a pixel definition layer, a light emitting layer, a first light blocking layer and a black matrix layer. Wherein at least part of the first light blocking layer covers the inner wall of each pixel hole and is in contact with the inner wall of each pixel hole, so that at least part of large-viewing-angle light rays emitted by the light emitting layer in the pixel holes can be blocked by the first light blocking layer, and the large-viewing-angle light rays emitted by the light emitting layer in the pixel holes can be blocked by the first light blocking layer. Therefore, the possibility that large-view-angle light rays are emitted from the areas corresponding to the adjacent pixel holes is reduced, the risk that the display panel leaks light under the large view angle is reduced, and then the peep-proof effect of the display panel can be improved.

Description

Technical Field

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

[0002] A display panel is a device used to display images and text.

[0003] In some application scenarios, a display panel with an anti-peeping effect is needed to avoid information leakage or light interference. At present, a black matrix layer is provided in the display panel, which can block the edge light of the sub-pixel to reduce the light output angle of the display panel, thereby achieving an anti-peeping effect.

[0004] However, in the above display panel, some wide-viewing angle light cannot be blocked by the black matrix layer, so that the wide-viewing angle light will be emitted from adjacent sub-pixels, resulting in light leakage, thereby causing poor anti-peeping effect. Summary of the invention

[0005] The embodiment of the present application provides a display panel and a display device. The technical solution is as follows:

[0006] According to one aspect of the present application, a display panel is provided, the display panel comprising: a driving backplane, a pixel definition layer, a light emitting layer, a first light blocking layer and a black matrix layer;

[0007] The pixel definition layer is located on one side of the driving backplane, and the pixel definition layer has a plurality of pixel openings;

[0008] At least a portion of the light emitting layer is located within the plurality of pixel openings;

[0009] At least a portion of the first light-blocking layer covers the inner wall of each of the pixel openings and contacts the inner wall of each of the pixel openings; the first light-blocking layer has a plurality of first light-through holes, the plurality of first light-through holes correspond to the plurality of pixel openings, and the orthographic projections of the first light-through holes on the driving backplane overlap with the orthographic projections of the corresponding pixel openings on the driving backplane;

[0010] The black matrix layer is located on the side of the pixel definition layer away from the driving backplane, and the black matrix layer has a plurality of second light-through holes, and the plurality of second light-through holes correspond to the plurality of pixel openings, and the orthographic projections of the second light-through holes on the driving backplane overlap with the orthographic projections of the corresponding pixel openings on the driving backplane.

[0011] Optionally, the first light blocking layer comprises: a plurality of first light blocking blocks which are separately arranged, one of the first light blocking blocks having at least one first light through hole, and the first light blocking block covers an inner wall of at least one of the pixel openings;

[0012] Wherein, there is a gap between two adjacent first light blocking blocks.

[0013] Optionally, the first light blocking block comprises: a first portion covering the inner wall of the pixel opening, and a second portion connected to the first portion, wherein the second portion is located on a side of the pixel definition layer away from the driving backplane;

[0014] There is a gap between two of the second parts in two adjacent first light blocking blocks.

[0015] Optionally, the first light-blocking layer comprises: a plurality of first light-blocking portions, and a second light-blocking portion for connecting the plurality of first light-blocking portions;

[0016] The plurality of first light shielding portions correspond to the plurality of pixel openings, the first light shielding portions cover inner walls of the corresponding pixel openings, and one of the first light shielding portions has one first light through hole;

[0017] The second light shielding portion is located at a side of the pixel definition layer away from the driving backplane, and the second light shielding portion has a plurality of auxiliary openings.

[0018] Optionally, the display panel further comprises: a supporting layer and a second light blocking layer;

[0019] The support layer is located on a side of the pixel definition layer away from the driving backplane, the support layer has a plurality of first grid holes, the plurality of first grid holes correspond to the plurality of pixel openings, and the orthographic projections of the first grid holes on the driving backplane overlap with the orthographic projections of the corresponding pixel openings on the driving backplane;

[0020] At least a portion of the second light blocking layer covers the inner wall of each of the first grid holes, and is in contact with the inner wall of each of the first grid holes.

[0021] Optionally, the second light-blocking layer also covers a side of the supporting layer away from the driving backplane;

[0022] The orthographic projection of the supporting layer on the driving backplane is located within the orthographic projection of the second light-blocking layer on the driving backplane.

[0023] Optionally, the display panel further includes: a first inorganic encapsulation layer, the first inorganic encapsulation layer is located between the pixel definition layer and the support layer, and the first inorganic encapsulation layer covers a portion of the light-emitting layer located in the pixel opening.

[0024] Optionally, a surface of the support layer close to the driving back plate is in contact with the first inorganic encapsulation layer, and a refractive index of the support layer is greater than a refractive index of the first inorganic encapsulation layer.

[0025] Optionally, the display panel further includes: a first dimming layer and a second dimming layer;

[0026] The first dimming layer is located between the pixel definition layer and the black matrix layer, the first dimming layer has a plurality of dimming holes, the plurality of dimming holes correspond to the plurality of pixel openings, the orthographic projections of the dimming holes on the driving backplane overlap with the orthographic projections of the corresponding pixel openings on the driving backplane, and at least part of the second dimming layer is located in the plurality of dimming holes and contacts with the inner wall of each of the dimming holes;

[0027] Wherein, the refractive index of the second dimming layer is greater than the refractive index of the first dimming layer.

[0028] Optionally, the display panel further comprises: a first inorganic encapsulation layer, an organic encapsulation layer and a second inorganic encapsulation layer;

[0029] The first inorganic encapsulation layer covers the portion of the light-emitting layer located in the pixel opening; the organic encapsulation layer is located on the side of the first inorganic encapsulation layer away from the driving backplane; the first dimming layer and the second dimming layer are both located on the side of the organic encapsulation layer away from the driving backplane; the second inorganic encapsulation layer is located on the side of the first dimming layer and the second dimming layer away from the driving backplane.

[0030] Optionally, the display panel further comprises: a touch electrode layer; the touch electrode layer has a plurality of second grid holes, the plurality of second grid holes correspond to the plurality of pixel openings, and the orthographic projections of the second grid holes on the driving backplane overlap with the orthographic projections of the corresponding pixel openings on the driving backplane;

[0031] The touch electrode layer is located on a side of the second inorganic encapsulation layer away from the driving backplane, or the touch electrode layer is located between the organic encapsulation layer and the second inorganic encapsulation layer.

[0032] Optionally, the light-emitting layer comprises: effective light-emitting parts distributed in each of the pixel openings;

[0033] The display panel comprises: a plurality of sub-pixel regions, at least some of the sub-pixel regions of the plurality of sub-pixel regions comprising at least two pixel openings distributed side by side;

[0034] Wherein, the types of effective light-emitting parts in at least two pixel openings in the same sub-pixel area are the same.

[0035] Optionally, the display panel further comprises: a plurality of first electrode blocks corresponding to the plurality of sub-pixel regions, and a second electrode layer located on a side of the light-emitting layer away from the driving backplane; the first electrode block is located on a side of an effective light-emitting portion in the corresponding sub-pixel region close to the driving backplane;

[0036] Wherein, the effective light-emitting parts in at least two pixel openings in the same sub-pixel area are in contact with the corresponding first electrode block.

[0037] Optionally, the display panel further comprises: a cover layer and a plurality of micro lenses, wherein the micro lenses protrude toward a side away from the driving backplane;

[0038] The plurality of microlenses are located on a side of the black matrix layer away from the driving backplane, the plurality of microlenses correspond to the plurality of pixel openings, the orthographic projections of the microlenses on the driving backplane overlap with the orthographic projections of the corresponding pixel openings on the driving backplane, and the covering layer covers the plurality of microlenses and contacts the plurality of microlenses;

[0039] Wherein, the refractive index of the microlens is greater than the refractive index of the cover layer.

[0040] On the other hand, a display device is provided, including: a power supply component, and a display panel electrically connected to the power supply component, wherein the display panel includes: any one of the above-mentioned display panels. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0042] Figure 1 It is a structural schematic diagram of a display panel provided by the related technology;

[0043] Figure 2 is a schematic diagram of the structure of a display panel provided in an embodiment of the present application;

[0044] Figure 3 is a partial top view of another display panel provided in an embodiment of the present application;

[0045] Figure 4 yes Figure 3 A schematic cross-sectional view of a display panel at A1-A1 is provided;

[0046] Figure 5is a partial top view of a display panel provided in an embodiment of the present application;

[0047] Figure 6 is a partial top view of another display panel provided in an embodiment of the present application;

[0048] Figure 7 is a partial top view of another display panel provided in an embodiment of the present application;

[0049] Figure 8 is a partial top view of another display panel provided in an embodiment of the present application;

[0050] Fig. 9 is a partial top view of another display panel provided in an embodiment of the present application;

[0051] Fig.10 is a schematic diagram of the structure of another display panel provided in an embodiment of the present application;

[0052] Fig.11 is a schematic diagram of the structure of another display panel provided in an embodiment of the present application;

[0053] Fig.12 is a schematic diagram of the structure of another display panel provided in an embodiment of the present application;

[0054] Fig.13 is a schematic diagram of the structure of another display panel provided in an embodiment of the present application;

[0055] Fig.14 is a schematic diagram of the structure of another display panel provided in an embodiment of the present application;

[0056] Fig.15 It is a schematic diagram of the structure of another display panel provided in an embodiment of the present application.

[0057] The above drawings have shown clear embodiments of the present application, which will be described in more detail later. These drawings and text descriptions are not intended to limit the scope of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0058] In order to make the objectives, technical solutions and advantages of the present application clearer, the implementation methods of the present application will be further described in detail below with reference to the accompanying drawings.

[0059] Please refer to Figure 1 , Figure 1It is a structural schematic diagram of a display panel provided by the related art. The display panel 20 includes: a driving backplane 21, a pixel definition layer 22, a light-emitting layer 23 and a black matrix layer 24. Among them, there is a certain distance between the black matrix layer 24 and the light-emitting layer 23, and part of the large-viewing angle light (such as light L1) emitted by the light-emitting layer 23 cannot be blocked by the black matrix layer 24, so that the large-viewing angle light will be emitted from the adjacent sub-pixel area, causing light leakage. In addition, when the distance between two adjacent sub-pixel areas is small, more large-viewing angle light will be emitted from the adjacent sub-pixel area, resulting in an aggravated light leakage problem, thereby resulting in a poor anti-peeping effect of the display panel.

[0060] The present application embodiment provides a display panel, please refer to Figure 2 , Figure 2 It is a structural schematic diagram of a display panel provided in an embodiment of the present application. The display panel 10 includes: a driving backplane 11, a pixel definition layer 12, a light-emitting layer 131, a first light-blocking layer 14 and a black matrix layer 15.

[0061] The display panel 10 provided in the embodiment of the present application may be an organic light emitting diode (OLED) display panel, which has many advantages such as self-luminescence, low driving voltage, high luminous efficiency, short response time, high clarity and contrast, wide operating temperature range, flexible display and large-area full-color display. In other possible implementations, the display panel 10 may also be a quantum dot light emitting diode (QLED) display panel, a mini light emitting diode (Mini LED) display panel or a micro light emitting diode (Micro LED) display panel. The embodiment of the present application does not limit this.

[0062] The driving backplane 11 is used to carry other film layers in the display panel 10. The driving backplane 11 may include: a substrate and a driving circuit located on the substrate. Exemplarily, the substrate may be a flexible substrate or a rigid substrate.

[0063] The pixel definition layer 12 is located on one side of the driving backplane 11, and the pixel definition layer 12 has a plurality of pixel openings K1. The plurality of pixel openings K1 of the pixel definition layer 12 can be used to divide a plurality of sub-pixel regions. In the present application, the pixel opening K1 refers to an opening that passes through the pixel definition 12, and the opening of the pixel opening K1 toward the driving backplane 11 can be referred to as a lower opening, and the opening of the pixel opening K1 away from the driving backplane 11 can be referred to as an upper opening. Here, the size of the upper opening of the pixel opening K1 is generally larger than the size of the lower opening.

[0064] At least part of the light emitting layer 131 is located in the plurality of pixel openings K1. Here, the light emitting layer 131 is used to emit a light beam in a direction away from the driving backplane 11. In the embodiment of the present application, the display panel 10 further includes: a cathode and an anode, the anode is located on a side of the light emitting layer 131 close to the driving backplane 11, the cathode is located on a side of the light emitting layer 131 away from the driving backplane 11, and the anode and the cathode are electrically connected to the driving circuit in the driving backplane 11, so that under the control of the driving circuit, the anode and the cathode cooperate to drive the light emitting layer 14 to emit light.

[0065] It should be noted that Figure 2 Only a portion of the light emitting layer 131 located in the pixel opening K1 is shown, and this portion may be an effective light emitting portion of the light emitting layer 131. The light emitting layer 131 may also include another portion located outside the pixel opening K1, but this embodiment of the present application does not limit this.

[0066] At least part of the first light blocking layer 14 covers the inner wall of each pixel opening K1 and contacts the inner wall of each pixel opening K1. That is, the first light blocking layer 14 can cover all the inner walls of each pixel opening K1, or the first light blocking layer 14 can only cover a part of the inner wall of each pixel opening K1.

[0067] The first light blocking layer 14 has a plurality of first light holes K2, and the plurality of first light holes K2 correspond to the plurality of pixel openings K1. The orthographic projection of the first light holes K2 on the driving backplane 11 overlaps with the orthographic projection of the corresponding pixel openings K1 on the driving backplane 11. For example, the orthographic projection of the first light hole K2 on the driving backplane 11 is located within the orthographic projection of the upper opening of the corresponding pixel opening K1 on the driving backplane 11. Here, the first light blocking layer 14 is used to block a portion of light with a larger viewing angle emitted from the light emitting layer 131, such as the light L2. Since it is more likely that the light with a large viewing angle will irradiate the inner wall of the pixel opening K1, by setting the first light blocking layer 14 to cover the inner wall of each pixel opening K1, it can be ensured that more light with a large viewing angle can be blocked by the first light blocking layer 14, thereby reducing the risk of light leakage. The first light blocking hole K2 corresponding to the pixel opening K1 can allow light with a smaller viewing angle to pass through, thereby avoiding affecting the display function of the display panel 10.

[0068] The black matrix layer 15 is located on the side of the pixel definition layer 12 away from the driving backplane 11. The black matrix layer 15 has a plurality of second light holes K3, and the plurality of second light holes K3 correspond to the plurality of pixel openings K1. The orthographic projection of the second light holes K3 on the driving backplane 11 overlaps with the orthographic projection of the corresponding pixel openings K1 on the driving backplane 11. For example, the orthographic projection of the lower opening of the pixel opening K1 on the driving backplane 11 is located within the orthographic projection of the corresponding second light hole K3 on the driving backplane 11. Here, the black matrix layer 15 can absorb a portion of the light emitted by the light emitting layer 131, such as the light L3.

[0069] Exemplarily, the material of the black matrix layer 15 may include a black light-absorbing material, or may include a metal material. For example, in the embodiment of the present application, the touch electrode layer may be reused as the black matrix layer 15 to provide light shielding.

[0070] Among the light emitted from the light emitting layer 131, the light with a smaller viewing angle can be transmitted through the first light hole K2, the pixel opening K1 and the second light hole K3, thereby ensuring that the display panel 10 can display the picture normally. For the light with a larger viewing angle, there are some lights that cannot be blocked by the black matrix layer 15, and at least a part of these lights can be blocked by the first light blocking layer 14. In this way, the first light blocking layer 14 and the black matrix layer 15 can cooperate to reduce the possibility of large viewing angle light being emitted from adjacent sub-pixel areas, that is, reduce the amount of light leakage, thereby improving the anti-peeping effect.

[0071] To summarize, the embodiment of the present application provides a display panel, in which a first light-blocking layer is arranged, and at least a portion of the first light-blocking layer covers the inner wall of each pixel opening and contacts the inner wall of each pixel opening. In this way, for the wide-viewing angle light emitted from the light-emitting layer in the pixel opening, at least a portion of the wide-viewing angle light can be blocked by the first light-blocking layer, thereby reducing the possibility of the wide-viewing angle light being emitted from the area corresponding to the adjacent pixel openings, and reducing the risk of light leakage of the display panel at a wide viewing angle, thereby improving the anti-peeping effect of the display panel.

[0072] The embodiment of the present application can improve the anti-peeping effect by dividing the sub-pixel area, please refer to Figure 3 and Figure 4 , Figure 3 is a partial top view of another display panel provided in an embodiment of the present application, Figure 4 yes Figure 3 A schematic cross-sectional view of a display panel at A1-A1 is provided. The light-emitting layer 131 includes: effective light-emitting portions 131a distributed in each pixel opening K1, and the effective light-emitting portion 131a is a portion of the light-emitting layer 131 that can be driven to emit light.

[0073] The display panel 10 includes: a plurality of sub-pixel regions Q, at least some of the sub-pixel regions Q include at least two pixel openings K1, that is, the light-emitting layer 131 in at least some of the sub-pixel regions Q is divided into a plurality of effective light-emitting portions 131a. For example, the light-emitting layer 131 in the sub-pixel region Q can be divided into a plurality of effective light-emitting portions 131a through a pixel definition layer.

[0074] In a possible implementation, the multiple pixel openings K1 in the same sub-pixel region Q are strip-shaped structures, and the multiple pixel openings K1 are arranged side by side, so that in the arrangement direction of the multiple pixel openings K1, the black matrix layer 15 has a better shielding effect on the light of a large viewing angle, and the anti-peeping effect can be achieved. However, the embodiment of the present application does not limit the shape and arrangement of the pixel openings K1. For example, the shape of the pixel opening K1 can also be circular, and the multiple pixel openings K1 can also be arranged in a staggered manner.

[0075] The effective light-emitting portions 131 a in at least two pixel openings K1 in the same sub-pixel region Q are of the same type, that is, the effective light-emitting portions 131 a in the same sub-pixel region Q can emit light of the same color.

[0076] The multiple sub-pixel regions Q may include multiple types of sub-pixel regions Q. The colors of the light emitted by the effective light-emitting portions 131a in the same type of sub-pixel regions Q are the same, and the colors of the light emitted by the effective light-emitting portions 131a in different types of sub-pixel regions Q are different. For example, the multiple types of sub-pixel regions Q may include a first type of sub-pixel region Q1, a second type of sub-pixel region Q2, and a third type of sub-pixel region Q3, each of the first type of sub-pixel region Q1 belongs to an independent sub-pixel region Q, each of the second type of sub-pixel region Q2 belongs to an independent sub-pixel region Q, and each of the third type of sub-pixel region Q3 belongs to an independent sub-pixel region Q. The first type of sub-pixel region Q1 and the second type of sub-pixel region Q2 each include three pixel openings K1 arranged side by side. Compared with the third type of sub-pixel region Q3, the width of the effective light-emitting portion 131a in the first type of sub-pixel region Q1 and the second type of sub-pixel region Q2 is smaller, so the black matrix layer 15 has a greater degree of reduction in the light output angle, thereby improving the anti-peeping effect.

[0077] Exemplarily, the first sub-pixel region Q1 may be a red sub-pixel region, the second sub-pixel region Q2 may be a green sub-pixel region, and the third sub-pixel region Q3 may be a blue sub-pixel region. That is, the light emitted by the effective light-emitting portion 131a in the first sub-pixel region Q1 is red light, the light emitted by the effective light-emitting portion 131a in the second sub-pixel region Q2 is green light, and the light emitted by the effective light-emitting portion 131a in the third sub-pixel region Q3 is blue light.

[0078] Alternatively, the first sub-pixel region Q1 may be a red sub-pixel region, the second sub-pixel region Q2 may be a blue sub-pixel region, and the third sub-pixel region Q3 may be a green sub-pixel region. That is, the light emitted by the effective light-emitting portion 131a in the first sub-pixel region Q1 is red light, the light emitted by the effective light-emitting portion 131a in the second sub-pixel region Q2 is blue light, and the light emitted by the effective light-emitting portion 131a in the third sub-pixel region Q3 is green light.

[0079] Moreover, dividing the sub-pixel region Q will also make the distance between two adjacent pixel openings K1 in the same sub-pixel region Q smaller. For example, the distance between two adjacent pixel openings K1 distributed in the same sub-pixel region Q can range from 11 microns to 13 microns, for example, 12 microns, and the distance between two adjacent pixel openings K1 distributed in different sub-pixel regions Q can range from 14 microns to 16 microns, for example, 15 microns. In this way, part of the wide-angle light cannot be blocked by the black matrix layer 14, and at least part of the first light-blocking layer 14 provided in the embodiment of the present application is distributed in the first sub-pixel region Q1 and the second sub-pixel region Q2, and the first light-blocking layer 14 covers the inner wall of the pixel openings K1 in the first sub-pixel region Q1 and the second sub-pixel region Q2, then the first light-blocking layer 14 can block this part of the wide-angle light, thereby avoiding the light leakage problem and improving the anti-peeping effect.

[0080] It should be noted that Figure 3 Only one type of sub-pixel area segmentation is shown by way of example, but the present application is not limited thereto. At least one type of sub-pixel area Q among the first type of sub-pixel area Q1, the second type of sub-pixel area Q2, and the third type of sub-pixel area Q3 can be segmented, that is, only one type of sub-pixel area Q can be segmented, or any two sub-pixel areas Q can be segmented, or all three types of sub-pixel areas Q can be segmented. For example, the at least one type of segmented sub-pixel area Q can include a green sub-pixel area. This is because the human eye is more sensitive to green light. By setting the green sub-pixel area to be segmented, the green light leakage problem can be effectively reduced, thereby improving the anti-peeping effect. However, the embodiment of the present application does not limit the color of the segmented sub-pixel area Q.

[0081] The embodiment of the present application does not limit the number of pixel openings K1 in the divided sub-pixel region Q. In some embodiments, the number of divided pixel openings K1 can be determined according to the area of ​​the sub-pixel region Q of each color.

[0082] Optionally, the display panel 10 further includes: a plurality of first electrode blocks 132 corresponding to the plurality of sub-pixel regions Q, and a second electrode layer 133 located on the side of the light-emitting layer 131 away from the driving backplane 11. The first electrode block 132 is located on the side of the effective light-emitting portion 131a in the corresponding sub-pixel region Q close to the driving backplane 11. The first electrode block 132 may be an anode, and the second electrode layer 133 may be a cathode. Under the control of the driving circuit, the first electrode block 132 and the second electrode layer 133 cooperate to drive the light-emitting layer 131 to emit light.

[0083] The effective light-emitting portions 131a in at least two pixel openings K1 in the same sub-pixel region Q are in contact with the corresponding first electrode block 132. That is, only the light-emitting layer 131 is divided, and the multiple effective light-emitting portions 131a in the same sub-pixel region Q are driven by the same first electrode block 132, thereby reducing the manufacturing difficulty.

[0084] The driving backplane 11 also includes: multiple pixel driving circuits electrically connected to the multiple first electrode blocks 132. Multiple effective light-emitting portions 131a in the same sub-pixel area Q can be controlled by the same pixel driving circuit, thereby reducing the difficulty of manufacturing the pixel driving circuit.

[0085] In the embodiment of the present application, the first light blocking layer 14 is used to block the light with a large viewing angle, and the material of the first light blocking layer 14 may include a light absorbing material, for example, a black light absorbing resin. The present application forms the first light blocking layer 14 by forming a black resin layer on the side of the pixel definition layer 12 away from the driving backplane 11, and then patterning the black resin layer through an exposure and development process. In addition, the material of the first light blocking layer 14 may also include a material with a high reflectivity, for example, a metal material or a metal oxide material, so that the light with a large viewing angle can be reflected and the anti-peeping effect can also be improved.

[0086] The thickness of the first light-blocking layer 14 can be in the range of 1 micron to 1.5 microns. When the thickness of the first light-blocking layer 14 is within this range, it can block light of a large viewing angle while having little effect on the overall thickness of the display panel 10. In addition, this can also reduce the height difference of the pixel definition layer 12 away from the driving backplane 11, thereby avoiding affecting the packaging effect.

[0087] For the portion of the first light-blocking layer 14 covering the side wall of the pixel opening K1, in the direction parallel to the driving backplane 11, the distance between the side of the portion facing the center of the pixel opening K1 and the side of the pixel definition layer 12 facing the center of the pixel opening K1 is in the range of 0 micrometers to 0.5 micrometers, which can not only ensure sufficient blocking effect on light of a large viewing angle, but also avoid the first light-blocking layer 14 being distributed at the bottom of the pixel opening K1 to affect light emission. The slope of this portion is in the range of 25 degrees to 30 degrees, which can make the light within a certain viewing angle range blocked by the first light-blocking layer 14, and is easy to manufacture.

[0088] The embodiment of the present application does not limit the material of the pixel definition layer 12. For example, the pixel definition layer 12 can be made of a light-transmitting material. Since the thickness of the first light-blocking layer 14 is relatively thin, only the first light-blocking layer 14 can be made of a light-absorbing material to reduce costs. If the cost is not considered, the pixel definition layer 12 can also be made of a light-absorbing material, thereby further improving the anti-peeping effect.

[0089] The structure of the first light-blocking layer is described below:

[0090] In the first exemplary embodiment, the first light blocking layer may be a separate block structure, see Figure 4 , Figure 5 and Figure 6 , Figure 5 is a partial top view of a display panel provided in an embodiment of the present application, Figure 6 is a partial top view of another display panel provided in an embodiment of the present application (to clearly illustrate the structure of the first light blocking layer, Figure 5 and Figure 6 The black matrix layer is not shown, but the embodiment of the present application does not limit this). The first light blocking layer 14 includes: a plurality of first light blocking blocks 141 arranged separately, each first light blocking block 141 has at least one first light through hole K2, and the first light blocking block 141 covers the inner wall of at least one pixel opening K1. This includes the following two situations:

[0091] The first case is Figure 5 As shown, a first light blocking block 141 has only one first light hole K2. Thus, a plurality of first light blocking blocks 141 correspond one-to-one to a plurality of pixel openings K1. The first light blocking blocks 141 can be used to block the wide-angle light emitted from the light-emitting layer 131 in a corresponding pixel opening K1.

[0092] The second case is Figure 6 and Figure 7 As shown, Figure 7It is a partial top view of another display panel provided in an embodiment of the present application, in which part of the first light blocking block 141 has a plurality of first light holes K2. Thus, one first light blocking block 141 corresponds to a plurality of pixel openings K1, and the first light blocking block 141 can be used to block the wide-viewing angle light emitted from the light-emitting layer 131 in the corresponding plurality of pixel openings K1.

[0093] Alternatively, if Figure 6 As shown, a plurality of pixel openings K1 corresponding to a first light blocking block 141 of a pixel opening can be distributed in the same sub-pixel region, that is, a first light blocking block 141 corresponds to a sub-pixel region. Figure 7 As shown, a plurality of pixel openings K1 corresponding to a first light blocking block 141 may also be distributed in a plurality of sub-pixel regions, that is, a first light blocking block 141 corresponds to a plurality of sub-pixel regions.

[0094] The display panel 10 may also include the above two situations at the same time. For example, a part of the sub-pixel areas adopt the first situation, and another part of the sub-pixel areas adopt the second situation. The embodiment of the present application does not limit this.

[0095] There is a gap between two adjacent first light blocking blocks 141. By providing the gap, the first light blocking layer 14 can be prevented from breaking when climbing on the pixel definition layer 12, and bubbles can be prevented from appearing between the first light blocking layer 14 and the pixel definition layer 12, resulting in bulging of the first light blocking layer 14, thereby improving the reliability of the first light blocking layer 14. Exemplarily, on the line connecting the centers of two adjacent pixel openings K1, the width D1 of the gap can range from 4 microns to 6 microns.

[0096] For the second case, the first light block can also be provided with an auxiliary opening, please refer to Figure 8 , Figure 8 It is a partial top view of another display panel provided in an embodiment of the present application. The first light blocking block 141 has a plurality of auxiliary openings H1, which can be distributed between two adjacent pixel openings K1 so that the first light blocking layer 14 also has a gap in the corresponding area between the two adjacent pixel openings K1.

[0097] Optionally, the first light blocking block 141 includes: a first portion 141a covering the inner wall of the pixel opening K1, and a second portion 141b connected to the first portion 141a, and the second portion 141b is located on a side of the pixel definition layer 12 away from the driving backplane 11. There is a gap between the two second portions 141b in two adjacent first light blocking blocks 141.

[0098] The first portion 141a is used to block the wide-angle light emitted by the light-emitting layer 131, and the second portion 141b can reduce the risk of the first light blocking block 141 being easily peeled off when it is only distributed on the inner wall of the pixel opening K1, thereby improving the reliability of the first light blocking block 141. Exemplarily, the first portion 141a and the second portion 141b can both be annular structures.

[0099] In the second exemplary embodiment, the first light blocking layer may be a whole layer structure, please refer to Figure 4 and Fig. 9 , Fig. 9 is a partial top view of another display panel provided in an embodiment of the present application (to clearly illustrate the structure of the first light blocking layer, Fig. 9 The black matrix layer is not shown, but this is not limited in the present embodiment.) The first light blocking layer 14 includes: a plurality of first light blocking portions 142 , and a second light blocking portion 143 for connecting the plurality of first light blocking portions 142 .

[0100] The first light shielding portions 142 correspond to the pixel openings K1 , and each first light shielding portion 142 has a first light hole K2 . The first light shielding portions 142 can be used to block the wide-angle light emitted by the light-emitting layer 131 .

[0101] The second light blocking portion 143 is located on the side of the pixel definition layer 12 away from the driving backplane 11, and the second light blocking portion 143 has a plurality of auxiliary openings H1. The second light blocking portion 143 can connect the plurality of first light blocking portions 142, that is, the second light blocking portion 143 and the plurality of first light blocking portions 142 can be an integral structure. By providing the auxiliary openings H1, the first light blocking layer 14 can also have a gap in the area corresponding to the two adjacent pixel openings K1, thereby preventing the first light blocking layer 14 from bulging due to bubbles between the first light blocking layer 14 and the pixel definition layer 12, thereby improving the reliability of the first light blocking layer 14.

[0102] Fig. 9 An auxiliary opening H1 in the form of a strip is shown as an example. In addition, the shape of the auxiliary opening H1 may include but is not limited to an inverted ellipse, a circle, an ellipse, a polygon, etc. The embodiment of the present application does not limit the number of auxiliary openings H1, which may be determined based on the distance between the pixel openings K1 and the size of the pixel openings K1.

[0103] It should be noted that, in the above embodiment, a rectangular pixel opening K1 is taken as an example, but the embodiment of the present application does not limit the shape and size of the pixel opening K1 of the pixel definition layer 12, the first light-through hole K2 of the first light-blocking layer 14, and the second light-through hole K3 of the black matrix layer 15. For example, their shapes may also be inverted ellipses, circles, ellipses, polygons, etc. Moreover, their sizes may be the same or different.

[0104] The embodiment of the present application does not limit the arrangement of the pixel openings K1. For example, the arrangement of the pixel openings K1 may include but is not limited to a diamond arrangement, a GGRB arrangement, and a standard (Real RGB) arrangement.

[0105] Optionally, refer to Fig.10 , Fig.10 It is a structural schematic diagram of another display panel provided in an embodiment of the present application. The display panel 10 also includes: a first inorganic encapsulation layer 171, an organic encapsulation layer 172, a second inorganic encapsulation layer 173, a first touch buffer layer 183, a first touch electrode layer 181, a touch insulation layer 184, a second touch electrode layer 182, a second touch buffer layer 185, a black matrix layer 15, a covering layer 191 and a plurality of microlenses 192.

[0106] In the present application, the anti-peeping effect of the display panel can also be improved by other implementation methods, which are described below with three exemplary embodiments:

[0107] In the first exemplary embodiment, please refer to Fig.11 , Fig.11 1 is a schematic diagram of the structure of another display panel provided in an embodiment of the present application. The display panel 10 further includes: a supporting layer 161 and a second light blocking layer 162 .

[0108] The support layer 161 is located on the side of the pixel definition layer 12 away from the driving backplane 11. The support layer 161 has a plurality of first grid holes K4, and the plurality of first grid holes K4 correspond to the plurality of pixel openings K1. The orthographic projection of the first grid holes K4 on the driving backplane 11 overlaps with the orthographic projection of the corresponding pixel openings K1 on the driving backplane 11. Here, the support layer 161 may be a mesh film layer having a plurality of first grid holes K4. The support layer 161 is used to support and raise the second light-blocking layer 162, so that the area of ​​the second light-blocking layer 162 can be increased, so that the second light-blocking layer 162 can block more light with a large viewing angle. Exemplarily, the material of the support layer 161 may be an organic light-transmitting material.

[0109] Exemplarily, the thickness of the support layer 161 can be 3 microns, but the embodiments of the present application are not limited thereto. By adjusting the thickness of the support layer 161, the angle of the wide viewing angle light that can be blocked by the second light-blocking layer 162 can also be adjusted. In the direction parallel to the drive backplane 11, the distance between the side of the support layer 161 facing the center of the pixel opening K1 and the side of the pixel definition layer 12 facing the center of the pixel opening K1 ranges from 2 microns to 3 microns, so that the second light-blocking layer 162 on the support layer 161 can be prevented from affecting the emission of light with a smaller viewing angle. The slope of the support layer 161 ranges from 25 degrees to 30 degrees, so that the light within a certain viewing angle range can be blocked by the second light-blocking layer 162, and it is easy to manufacture.

[0110] At least part of the second light-blocking layer 162 covers the inner wall of each first grid hole K4 and contacts the inner wall of each first grid hole K4. That is, the second light-blocking layer 162 can completely cover the inner wall of each first grid hole K4, or the second light-blocking layer 162 can only cover a part of the inner wall of each first grid hole K4. Here, the part of the second light-blocking layer 162 covering the inner wall of the first grid hole K4 can be used to block a part of the wide-angle light, such as the light L4.

[0111] The material of the second light-blocking layer 162 may include a metal material, such as metallic silver. The present application may sputter a metal material on the support layer 161 through a magnetron sputtering process to obtain the second light-blocking layer 162. Since the metal material has a high reflectivity, it can reflect light with a large viewing angle, thereby further improving the anti-peeping effect. In addition, the second light-blocking layer 162 may also include a light-absorbing material, so that the light with a large viewing angle can be absorbed, and the anti-peeping effect can also be improved.

[0112] Exemplarily, the thickness of the second light-blocking layer 162 can range from 0.3 microns to 1 micron. When the thickness of the first light-blocking layer 14 is within this range, it can have little impact on the overall thickness of the display panel 10 while ensuring blocking of light at a wide viewing angle, and can reduce manufacturing costs.

[0113] Optionally, the second light-blocking layer 162 also covers the side of the supporting layer 161 away from the driving back plate 11. The orthographic projection of the supporting layer 161 on the driving back plate 11 is located within the orthographic projection of the second light-blocking layer 162 on the driving back plate 11. In this way, the second light-blocking layer 162 can also be a mesh film layer with multiple openings, and the part of the second light-blocking layer 162 covering the side of the supporting layer 161 away from the driving back plate 11 can prevent the second light-blocking layer 162 from peeling off, thereby improving the reliability of the second light-blocking layer 162.

[0114] Optionally, the display panel 10 further includes: a first inorganic encapsulation layer 171, the first inorganic encapsulation layer 171 is located between the pixel definition layer 12 and the support layer 161, and the first inorganic encapsulation layer 171 covers the portion of the light-emitting layer 131 located in the pixel opening K1. Here, the first inorganic encapsulation layer 171 is used to encapsulate the light-emitting layer 131, so as to prevent external water and oxygen corrosion. By arranging the support layer 161 and the second light-blocking layer 162 to be located on the side of the first inorganic encapsulation layer 171 away from the pixel definition layer 12, it is possible to avoid the height difference of the film layer below the first inorganic encapsulation layer 171 being too large, thereby ensuring that the encapsulation effect of the first inorganic encapsulation layer 171 is better.

[0115] It should be noted that, when the light emitted from the effective light-emitting portion 131a in the display panel 10 passes through the first inorganic packaging layer 171, it is very easy to generate an optical waveguide phenomenon inside the first inorganic packaging layer 171, that is, part of the light emitted toward the first inorganic packaging layer 171 will undergo multiple total reflections between the upper and lower interfaces of the first inorganic packaging layer 171, so as to propagate laterally inside the first inorganic packaging layer 171.

[0116] In the present application, the side of the support layer 161 close to the driving backplane 11 is in contact with the first inorganic encapsulation layer 171, and the refractive index of the support layer 161 is greater than the refractive index of the first inorganic encapsulation layer 171. In this way, according to Snell's law, when the light (such as light L9) propagating laterally in the first inorganic encapsulation layer 171 reaches the interface between the first inorganic encapsulation layer 171 and the support layer 161, the light will be refracted and enter the support layer 161, which can prevent the light from continuing to propagate in the first inorganic encapsulation layer 171 in the form of an optical waveguide, and the light can be blocked by the second light blocking layer 162 after entering the support layer 161. This can reduce the risk of waveguide light emitting from adjacent sub-pixel areas, thereby further improving the anti-peeping effect.

[0117] It should be noted that each embodiment in the present application can be implemented individually or in combination. Fig.11 In the display panel shown, only the supporting layer 161 and the second light blocking layer 162 may be provided without the first light blocking layer 14 , which can also improve the anti-peeping effect.

[0118] Optionally, refer to Fig.12 , Fig.12It is a structural schematic diagram of another display panel provided in an embodiment of the present application. The display panel 10 also includes: an organic encapsulation layer 172, a second inorganic encapsulation layer 173, a first touch buffer layer 183, a first touch electrode layer 181, a touch insulation layer 184, a second touch electrode layer 182, a second touch buffer layer 185, a first black matrix layer 151, a second black matrix layer 152, a light-transmitting layer 153, a covering layer 191 and a plurality of microlenses 192.

[0119] In the second exemplary embodiment, please refer to Fig.13 , Fig.13 1 is a schematic diagram of the structure of another display panel provided in an embodiment of the present application. The display panel 10 further includes: a first dimming layer 174 and a second dimming layer 175 .

[0120] The first dimming layer 174 is located between the pixel definition layer 12 and the black matrix layer 15. The first dimming layer 174 has a plurality of dimming holes K5. The plurality of dimming holes K5 correspond to the plurality of pixel openings K1. The orthographic projection of the dimming holes K5 on the driving backplane 11 overlaps with the orthographic projection of the corresponding pixel openings K1 on the driving backplane 11.

[0121] At least a portion of the second dimming layer 175 is located in the plurality of dimming holes K5 and contacts the inner wall of each of the dimming holes K5 .

[0122] The refractive index of the second dimming layer 175 is greater than the refractive index of the first dimming layer 174. In this way, after the wide-angle light emitted from the light-emitting layer 131 enters the second dimming layer 175, it reaches the interface between the second dimming layer 175 and the first dimming layer and undergoes total reflection, such as light L5. The first dimming layer 174 and the second dimming layer 175 achieve a converging effect on the emitted light, thereby further reducing wide-angle light leakage on the basis of improving the brightness of the forward light, thereby improving the anti-peeping effect.

[0123] Exemplarily, the material of the first dimming layer 174 may be an organic material, and the manufacturing process of the first dimming layer 174 may include an ink jet printing (IJP) process. In the direction parallel to the driving backplane 11, the distance between the side of the first dimming layer 174 facing the center of the dimming hole K5 and the side of the pixel definition layer 12 facing the center of the corresponding pixel opening K1 is in the range of 0 microns to 0.5 microns, so that the wide viewing angle light can reach the interface between the first dimming layer 174 and the second dimming layer 175. The refractive index of the second dimming layer 175 may be in the range of 1.7-1.8, for example, 1.71, and the thickness of the second dimming layer 175 may be in the range of 2 microns to 3 microns, for example, 2.5 microns.

[0124] Optionally, the display panel 10 further includes: a first inorganic encapsulation layer 171, an organic encapsulation layer 172, and a second inorganic encapsulation layer 173. The first inorganic encapsulation layer 171, the organic encapsulation layer 172, and the second inorganic encapsulation layer 173 cooperate to encapsulate the light-emitting layer 131. Exemplarily, the manufacturing process of the first inorganic encapsulation layer 171 and the second inorganic encapsulation layer 172 may include a chemical vapor deposition (CVD) process, and the manufacturing process of the organic encapsulation layer 172 may include an inkjet printing process.

[0125] The first inorganic encapsulation layer 171 covers the portion of the light-emitting layer 131 located in the pixel opening K1. The organic encapsulation layer 172 is located on the side of the first inorganic encapsulation layer 171 away from the driving backplane 11. The first dimming layer 174 and the second dimming layer 175 are both located on the side of the organic encapsulation layer 172 away from the driving backplane 11. The second inorganic encapsulation layer 173 is located on the side of the first dimming layer 174 and the second dimming layer 175 away from the driving backplane 11.

[0126] In the embodiment of the present application, the second inorganic encapsulation layer 173 can cover the first dimming layer 174 and the second dimming layer 175 to prevent water and oxygen from invading from the gap, thereby ensuring a good encapsulation effect of the display panel 10. In addition, the second inorganic encapsulation layer 173 can also facilitate the manufacture of the film layer above, for example, it can prevent the black matrix layer 15 from being broken.

[0127] It should be noted that Fig.13 The display panel shown is also provided with a support layer 161 and a second light blocking layer 162, that is, Fig.13 This is a solution combining the first embodiment with the second embodiment, but the present application is not limited thereto. The present application may also only set the first dimming layer 174 and the second dimming layer 175 in the display panel 10, which can also improve the anti-peeping effect. Alternatively, the present application may also set the support layer 161, the second light blocking layer 162, the first dimming layer 174 and the second dimming layer 175 in the display panel 10, but not the first light blocking layer 14, which can also improve the anti-peeping effect.

[0128] Optionally, refer to Fig.14 , Fig.14 It is a structural schematic diagram of another display panel provided in an embodiment of the present application. The display panel 10 also includes: a first touch buffer layer 183, a first touch electrode layer 181, a touch insulating layer 184, a second touch electrode layer 182, a second touch buffer layer 185, a first black matrix layer 151, a second black matrix layer 152, a light-transmitting layer 153, a covering layer 191 and a plurality of microlenses 192.

[0129] In the third exemplary embodiment, please refer to Fig.14 and Fig.15 , Fig.15 1 is a schematic diagram of the structure of another display panel provided in an embodiment of the present application. The display panel 10 further includes: a touch electrode layer 18 .

[0130] In the present application, a flexible multi-layer structure (Flexible Multi Layer On Cell, FMLOC) technology can be used. The FMLOC process refers to integrating a touch electrode layer 18 in the encapsulation layer of the display panel 10, so as to perform touch control and realize display touch integration. The touch electrode layer 18 may include a self-capacitive capacitor structure or a mutual-capacitive capacitor structure. When the user's finger contacts the touch electrode layer 18, the capacitance value in the self-capacitive capacitor structure or the mutual-capacitive capacitor structure will change to determine the location where the touch occurs, so that the display panel 10 can realize the touch function.

[0131] The touch electrode layer 18 has a plurality of second grid holes K6, and the plurality of second grid holes K6 correspond to the plurality of pixel openings K1. The orthographic projections of the second grid holes K6 on the driving backplane 11 overlap with the orthographic projections of the corresponding pixel openings K1 on the driving backplane 11. That is, the touch electrode layer 18 may be a grid-shaped metal electrode layer, and the material of the touch electrode layer 18 may include a metal material with a high reflectivity. When light passes through the touch electrode layer 18 at a large viewing angle, it will be reflected by the touch electrode layer 18, thereby reducing the risk of light leakage. The touch electrode layer 18 may include: a first touch electrode layer 181 and a second touch electrode layer 182, which are sequentially arranged in a direction away from the driving backplane 11.

[0132] Exemplarily, the distance between the side of the touch electrode layer 18 facing the center of the second grid hole K6 and the side of the pixel definition layer 12 facing the center of the corresponding pixel opening K1 is in the range of 0 micrometers to 0.5 micrometers, so that the orthographic projection of the touch electrode layer 18 on the driving backplane 11 does not overlap with the orthographic projection of the pixel opening K1 on the driving backplane 11. To this end, the touch electrode layer 18 can block light with a large viewing angle, such as light L6 and L7, to avoid light leakage, and the touch electrode layer 18 will not block light with a smaller viewing angle, so that the light with a smaller viewing angle emitted by the light-emitting layer 131 can be transmitted from the corresponding second grid hole K6 in the touch electrode layer 18, thereby ensuring that the display panel 10 can display the picture normally.

[0133] The touch electrode layer 18 may be disposed at two locations:

[0134] For the first case, please refer to Fig.14 The touch electrode layer 18 is located on the side of the second inorganic encapsulation layer 173 away from the driving backplane 11, that is, the touch electrode layer 18 is arranged outside the encapsulation layer. In this way, the touch sensitivity can be made higher on the basis of ensuring that the touch electrode layer 18 has a certain light shielding effect.

[0135] For the second case, please refer to Fig.15 , the touch electrode layer 18 is located between the organic encapsulation layer 172 and the second inorganic encapsulation layer 173, that is, the touch electrode layer 18 is arranged in the encapsulation layer. In this way, the touch electrode layer 18 is closer to the light-emitting layer 131, and can block more light with a large viewing angle, thereby further reducing the risk of light leakage. Exemplarily, the thickness of the organic encapsulation layer 172 can range from 10 microns to 14 microns. In this way, when the touch electrode layer 18 is arranged in the encapsulation layer, it can also be ensured that there will be no risk of encapsulation reliability.

[0136] In addition, the display panel 10 may further include: a first touch buffer layer 183, a touch insulating layer 184, and a second touch buffer layer 185, wherein the touch insulating layer 184 is located between the first touch electrode layer 181 and the second touch electrode layer 182, and the touch insulating layer 184 can play an insulating role to prevent short circuit. The first touch buffer layer 183 is located on the side of the first touch electrode layer 181 close to the driving backplane 11, and the first touch buffer layer 183 can enhance the bonding force between the touch electrode layer 18 and the second inorganic encapsulation layer 173, or the first touch buffer layer 183 can enhance the bonding force between the touch electrode layer 18 and the organic encapsulation layer 172. The second touch buffer layer 185 is located on the side of the second touch electrode layer 182 away from the driving backplane 11, and the second touch buffer layer 185 can protect the second touch electrode layer 182.

[0137] It should be noted that Fig.14 and Fig.15 The display panel shown is also provided with a support layer 161, a second light blocking layer 162, a first dimming layer 174 and a second dimming layer 175, that is, Fig.14 and Fig.15 This is a solution combining the first embodiment, the second embodiment and the third embodiment, but the present application is not limited thereto. The present application may also only set the touch electrode layer 18 in the display panel 10, or the present application may also combine any two of the above three embodiments, which can also enhance the anti-peeping effect. Alternatively, the present application may also implement the third embodiment alone or combine the above three embodiments without setting the first light-blocking layer 14. The display panel 10 also includes:

[0138] Optionally, refer to Fig.15 The display panel 10 further includes: a covering layer 191 and a plurality of micro lenses 192 , and the micro lenses 192 protrude toward a side away from the driving backplane 11 .

[0139] Multiple microlenses 192 are located on the side of the black matrix layer 15 away from the driving backplane 11, and the multiple microlenses 192 correspond to the multiple pixel openings K1. The orthographic projections of the microlenses 192 on the driving backplane 11 overlap with the orthographic projections of the corresponding pixel openings K1 on the driving backplane 11. The covering layer 191 covers the multiple microlenses 192 and is in contact with the multiple microlenses 192.

[0140] Among them, the refractive index of the microlens 192 is greater than the refractive index of the cover layer 191. Thus, according to Snell's law, when the light emitted from the light emitting layer 131 reaches the interface between the microlens 192 and the cover layer 191, the light will be refracted, and the exit angle is greater than the incident angle. Combined with the curved surface morphology of the microlens 192, the light can be collimated, such as the light L8, thereby improving the forward light output efficiency, reducing the large-angle light, and further improving the anti-peeping effect.

[0141] Optionally, the black matrix layer 15 can be a single-layer structure, or the black matrix layer 15 can also be a multi-layer structure. Exemplarily, the black matrix layer 15 can include: a first black matrix layer 151, a second black matrix layer 152 and a light-transmitting layer 153 stacked in a direction away from the driving backplane 10.

[0142] Among them, the first black matrix layer 151 can be used to block the light of large viewing angle, the second black matrix layer 152 is used to determine the viewing angle of the display panel 10, and the light-transmitting layer 153 can be used to adjust the height of the second black matrix layer 152. In the embodiment of the present application, the distance between the second black matrix layer 152 and the light-emitting layer 131 can be adjusted by adjusting the thickness of the light-transmitting layer 153, so as to determine the viewing angle range of the light that can be transmitted out of the light emitted by the light-emitting layer 131, thereby improving the flexibility of adjusting the anti-peeping viewing angle of the display panel 10. In addition, by providing the light-transmitting layer 153, the problem of high cost caused by the excessive thickness of the black matrix layer 15 can be avoided.

[0143] In the present application, the touch electrode layer 18 can be reused as any one of the first black matrix layer 151 and the second black matrix layer 152 to achieve a light shielding effect. That is, the touch electrode layer 18 can be reused as the first black matrix layer 151, and the touch electrode layer 18 is located on the side of the second black matrix layer 152 close to the driving backplane 11. Alternatively, the touch electrode layer 18 can be reused as the second black matrix layer 152, and the touch electrode layer 18 is located on the side of the first black matrix layer 151 away from the driving backplane 11.

[0144] In a display panel provided by a related technology, the light-emitting layers in the red sub-pixel area and the green sub-pixel area are divided by a pixel definition layer, so the width of the effective light-emitting parts in the red sub-pixel area and the green sub-pixel area is smaller. Therefore, compared with the blue light, the black matrix layer reduces the light output angle of the red light and the green light to a greater extent, and the red light and the green light can be protected from peeping, and the brightness of the blue light is still high at a wide viewing angle.

[0145] However, in the related art, pixel segmentation results in a smaller spacing between two adjacent pixel openings in the same red sub-pixel region, and a smaller spacing between two adjacent pixel openings in the same green sub-pixel region, which results in that part of the red and green light at a large viewing angle cannot be blocked by the black matrix layer. Therefore, the brightness attenuation rate curves of the white light, red light and green light emitted by the display panel provided by the related art at a large viewing angle are warped, and the white light, red light and green light all have light leakage problems at a large viewing angle, and the anti-peeping effect is poor, which does not meet the requirements of anti-peeping products.

[0146] In a display panel provided by the present application, a first light-blocking layer is provided to block light at a wide viewing angle. Therefore, the brightness attenuation rate curves of the white light, red light, and green light emitted by the display panel provided by the present application at a wide viewing angle are not warped, and there is no light leakage problem for the white light, red light, and green light at a wide viewing angle, and the anti-peeping effect is good, meeting the requirements of anti-peeping products. In addition, the brightness attenuation rate curve of the blue light of the display panel provided by the present application is basically the same as the brightness attenuation rate curve of the blue light of the display panel provided by the related art, because the blue sub-pixel area is not segmented in the display panel provided by the present application.

[0147] To summarize, the embodiment of the present application provides a display panel, in which a first light-blocking layer is arranged, and at least a portion of the first light-blocking layer covers the inner wall of each pixel opening and contacts the inner wall of each pixel opening. In this way, for the wide-viewing angle light emitted from the light-emitting layer in the pixel opening, at least a portion of the wide-viewing angle light can be blocked by the first light-blocking layer, thereby reducing the possibility of the wide-viewing angle light being emitted from the area corresponding to the adjacent pixel openings, and reducing the risk of light leakage of the display panel at a wide viewing angle, thereby improving the anti-peeping effect of the display panel.

[0148] On the other hand, an embodiment of the present application further provides a display device, which includes: a power supply component and a display panel provided by any of the above embodiments, and the power supply component can supply power to the display panel. Exemplarily, the display device can be: a mobile phone, a tablet computer, a television, a monitor, a laptop computer, a digital photo frame, a navigator, or any other product or component with a display function.

[0149] Since the display device includes the display panel provided by the above embodiment, the display device can also have a similar effect, that is, the anti-peeping effect of the display device is better.

[0150] It should be noted that in the accompanying drawings, the sizes of layers and regions may be exaggerated for clarity of illustration. It is also understood that when an element or layer is referred to as being "on" another element or layer, it may be directly on the other element, or there may be an intermediate layer. In addition, it is understood that when an element or layer is referred to as being "under" another element or layer, it may be directly under the other element, or there may be more than one intermediate layer or element. In addition, it is also understood that when a layer or element is referred to as being "between" two layers or two elements, it may be the only layer between the two layers or two elements, or there may also be more than one intermediate layer or element. Similar reference numerals throughout the text indicate similar elements.

[0151] In the present application, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. The term "plurality" refers to two or more than two, unless otherwise clearly defined.

[0152] The above description is only an optional embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A display panel, characterized in that: The display panel comprises: a driving backplane, a pixel definition layer, a light emitting layer, a first light blocking layer and a black matrix layer; The pixel definition layer is located on one side of the driving backplane, and the pixel definition layer has a plurality of pixel openings; At least a portion of the light emitting layer is located within the plurality of pixel openings; At least a portion of the first light-blocking layer covers the inner wall of each of the pixel openings and contacts the inner wall of each of the pixel openings; the first light-blocking layer has a plurality of first light-through holes, the plurality of first light-through holes correspond to the plurality of pixel openings, and the orthographic projections of the first light-through holes on the driving backplane overlap with the orthographic projections of the corresponding pixel openings on the driving backplane; The black matrix layer is located on the side of the pixel definition layer away from the driving backplane, and the black matrix layer has a plurality of second light-through holes, and the plurality of second light-through holes correspond to the plurality of pixel openings, and the orthographic projections of the second light-through holes on the driving backplane overlap with the orthographic projections of the corresponding pixel openings on the driving backplane.

2. The display panel according to claim 1, characterized in that: The first light blocking layer comprises: a plurality of first light blocking blocks which are separately arranged, each of the first light blocking blocks having at least one first light through hole, and the first light blocking block covers the inner wall of at least one of the pixel openings; Wherein, there is a gap between two adjacent first light blocking blocks.

3. The display panel according to claim 2, characterized in that: The first light blocking block comprises: a first portion covering the inner wall of the pixel opening, and a second portion connected to the first portion, wherein the second portion is located on a side of the pixel definition layer away from the driving backplane; There is a gap between two of the second parts in two adjacent first light blocking blocks.

4. The display panel according to claim 1, characterized in that: The first light-blocking layer comprises: a plurality of first light-blocking portions, and a second light-blocking portion for connecting the plurality of first light-blocking portions; The plurality of first light shielding portions correspond to the plurality of pixel openings, the first light shielding portions cover inner walls of the corresponding pixel openings, and one of the first light shielding portions has one first light through hole; The second light shielding portion is located at a side of the pixel definition layer away from the driving backplane, and the second light shielding portion has a plurality of auxiliary openings.

5. The display panel according to any one of claims 1 to 4, characterized in that: The display panel further comprises: a supporting layer and a second light blocking layer; The support layer is located on a side of the pixel definition layer away from the driving backplane, the support layer has a plurality of first grid holes, the plurality of first grid holes correspond to the plurality of pixel openings, and the orthographic projections of the first grid holes on the driving backplane overlap with the orthographic projections of the corresponding pixel openings on the driving backplane; At least a portion of the second light blocking layer covers the inner wall of each of the first grid holes and contacts the inner wall of each of the first grid holes.

6. The display panel according to claim 5, characterized in that: The second light-blocking layer also covers a side of the supporting layer away from the driving backplane; Wherein, the orthographic projection of the supporting layer on the driving backplane is located within the orthographic projection of the second light-blocking layer on the driving backplane.

7. The display panel according to claim 6, characterized in that: The display panel further includes a first inorganic encapsulation layer, wherein the first inorganic encapsulation layer is located between the pixel definition layer and the support layer, and the first inorganic encapsulation layer covers a portion of the light-emitting layer located in the pixel opening.

8. The display panel according to claim 6, characterized in that: A surface of the support layer close to the driving back plate is in contact with the first inorganic encapsulation layer, and a refractive index of the support layer is greater than a refractive index of the first inorganic encapsulation layer.

9. The display panel according to any one of claims 1-4, 6-8, characterized in that: The display panel further includes: a first dimming layer and a second dimming layer; The first dimming layer is located between the pixel definition layer and the black matrix layer, the first dimming layer has a plurality of dimming holes, the plurality of dimming holes correspond to the plurality of pixel openings, the orthographic projections of the dimming holes on the driving backplane overlap with the orthographic projections of the corresponding pixel openings on the driving backplane, and at least part of the second dimming layer is located in the plurality of dimming holes and contacts with the inner wall of each of the dimming holes; Wherein, the refractive index of the second dimming layer is greater than the refractive index of the first dimming layer.

10. The display panel according to claim 9, characterized in that: The display panel further includes: a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer; The first inorganic encapsulation layer covers the portion of the light-emitting layer located in the pixel opening; the organic encapsulation layer is located on the side of the first inorganic encapsulation layer away from the driving backplane; the first dimming layer and the second dimming layer are both located on the side of the organic encapsulation layer away from the driving backplane; the second inorganic encapsulation layer is located on the side of the first dimming layer and the second dimming layer away from the driving backplane.

11. The display panel according to claim 10, characterized in that: The display panel further comprises: a touch electrode layer; the touch electrode layer has a plurality of second grid holes, the plurality of second grid holes correspond to the plurality of pixel openings, and the orthographic projections of the second grid holes on the driving backplane overlap with the orthographic projections of the corresponding pixel openings on the driving backplane; The touch electrode layer is located on a side of the second inorganic encapsulation layer away from the driving backplane, or the touch electrode layer is located between the organic encapsulation layer and the second inorganic encapsulation layer.

12. The display panel according to any one of claims 1-4, 6-8, 10-11, characterized in that: The light-emitting layer comprises: effective light-emitting parts distributed in each of the pixel openings; The display panel comprises: a plurality of sub-pixel regions, at least some of the sub-pixel regions of the plurality of sub-pixel regions comprising at least two pixel openings; Wherein, the types of effective light-emitting parts in at least two pixel openings in the same sub-pixel area are the same.

13. The display panel according to claim 12, characterized in that: The display panel further comprises: a plurality of first electrode blocks corresponding to the plurality of sub-pixel regions, and a second electrode layer located on a side of the light-emitting layer away from the driving backplane; the first electrode block is located on a side of an effective light-emitting portion in the corresponding sub-pixel region close to the driving backplane; Wherein, the effective light-emitting parts in at least two pixel openings in the same sub-pixel area are in contact with the corresponding first electrode block.

14. The display panel according to any one of claims 1-4, 6-8, 10-11, characterized in that: The display panel further comprises: a cover layer and a plurality of micro lenses, wherein the micro lenses protrude toward a side away from the driving backplane; The plurality of microlenses are located on a side of the black matrix layer away from the driving backplane, the plurality of microlenses correspond to the plurality of pixel openings, the orthographic projections of the microlenses on the driving backplane overlap with the orthographic projections of the corresponding pixel openings on the driving backplane, and the covering layer covers the plurality of microlenses and contacts the plurality of microlenses; Wherein, the refractive index of the microlens is greater than the refractive index of the cover layer.

15. A display device, characterized in that: include: A power supply component, and a display panel electrically connected to the power supply component, wherein the display panel comprises: the display panel according to any one of claims 1 to 14.

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