Display panel and display device

Abstract

The invention relates to a display panel and a display device, and the display panel comprises a substrate which comprises a first side and a second side which are oppositely arranged; the light-emitting layer is located on the first side of the substrate; the touch electrode is positioned on one side, far away from the substrate, of the light-emitting layer; the ambient light sensor is positioned on the second side of the substrate; the display panel further comprises a blocking structure, the blocking structure is located between the light-emitting layer and the touch control electrode, and the blocking structure is configured to absorb light emitted by the light-emitting layer to the touch control electrode or change the path of light emitted by the light-emitting layer and reflected by the touch control electrode. Therefore, the light emitted by the touch electrode is prevented from entering the ambient light sensor.

Description

Technical Field

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

[0002] OLED (Organic Light-Emitting Diode) display devices have been listed as the next generation display technology with great development prospects due to their advantages such as active light emission, fast response speed, low energy consumption, high luminous efficiency and flexible display.

[0003] In existing OLED display devices, in order to achieve full screen, the ambient light sensor is set at the bottom of the display panel. The ambient light reaches the sensor through the display panel, and the sensor adjusts the brightness of the display panel accordingly according to the received ambient light illumination. However, the pixel light of the display panel will also reach the ambient light sensor after being reflected by the touch electrode, affecting the sensitivity of the ambient light sensor. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a display panel and a display device to solve the problem that the pixel light reflected by the touch electrode is transmitted to the ambient light sensor, thereby affecting the sensitivity of the ambient light sensor.

[0005] In order to achieve the above object, the technical solution adopted in the embodiment of the present invention is: a display panel, comprising:

[0006] A substrate base plate, comprising a first side and a second side disposed opposite to each other;

[0007] A light emitting layer, located on the first side of the base substrate;

[0008] A touch electrode, located on a side of the light-emitting layer away from the base substrate;

[0009] an ambient light sensor located on the second side of the substrate;

[0010] The display panel also includes a blocking structure, which is located between the light-emitting layer and the touch electrode. The blocking structure is configured to absorb light from the light-emitting layer that is incident on the touch electrode, or to change the path of light emitted by the light-emitting layer that is reflected by the touch electrode, so as to prevent the light emitted by the touch electrode from entering the ambient light sensor.

[0011] Optionally, the blocking structure includes a light shielding portion disposed between the light emitting layer and the touch electrode.

[0012] Optionally, an orthographic projection of the touch electrode on the light shielding portion is located within the light shielding portion.

[0013] Optionally, the light shielding portion and the touch electrode are formed by using the same mask plate.

[0014] Optionally, a black matrix layer is further included which is located on a side of the touch electrode away from the base substrate, and the light shielding portion and the black matrix layer are formed by using the same mask plate.

[0015] Optionally, along the direction away from the base substrate, the first side of the base substrate is stacked with a driving circuit layer, a planar layer, the light-emitting layer, an encapsulation layer and a buffer layer in sequence, and the shading portion is provided on the side of the buffer layer away from the base substrate.

[0016] Optionally, along a direction away from the base substrate, a driving circuit layer, a planarization layer, the light-emitting layer, an encapsulation layer and a buffer layer are sequentially stacked on the first side of the base substrate;

[0017] The buffer layer is made of a black light-shielding material, and the buffer layer is patterned to be reused as the light-shielding portion.

[0018] Optionally, along a direction away from the base substrate, a driving circuit layer, a planarization layer, the light-emitting layer, an encapsulation layer and a buffer layer are sequentially stacked on the first side of the base substrate;

[0019] The blocking structure includes a first light conversion functional portion, wherein the first light conversion functional portion includes a concave portion formed by a local area of ​​the buffer layer away from the substrate being concave;

[0020] The touch electrode is formed in the concave portion.

[0021] Optionally, along a direction away from the base substrate, a driving circuit layer, a planarization layer, the light-emitting layer, an encapsulation layer and a buffer layer are sequentially stacked on the first side of the base substrate;

[0022] The blocking structure includes a second light conversion functional portion, wherein the second light conversion functional portion includes a convex portion formed by a local area of ​​the buffer layer away from the substrate.

[0023] The touch electrode is formed on a side of the protrusion away from the base substrate.

[0024] Optionally, along a direction away from the base substrate, a driving circuit layer, a planarization layer, a first electrode, a pixel definition layer, the light-emitting layer, a second electrode and the encapsulation layer are sequentially stacked on the first side of the base substrate;

[0025] The pixel definition layer is made of black light-shielding material.

[0026] An embodiment of the present invention further provides a display device, comprising the above-mentioned display panel.

[0027] The beneficial effect of the present invention is that by setting the blocking structure, the light from the light-emitting layer incident on the touch electrode can be absorbed, or the path of the light emitted by the light-emitting layer reflected by the touch electrode can be changed to avoid the light emitted by the touch electrode from entering the ambient light sensor, thereby optimizing the sensitivity and accuracy of the under-screen ambient light sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A schematic diagram showing a display panel in the related art;

[0029] Figure 2 A schematic diagram showing a display panel in an embodiment of the present invention;

[0030] Figure 3 express Figure 2 A top view of a display panel in FIG.

[0031] Figure 4 A schematic diagram showing a display panel in an embodiment of the present invention;

[0032] Figure 5 express Figure 4 A top view of a display panel in FIG.

[0033] Figure 6 A schematic diagram showing a display panel in an embodiment of the present invention;

[0034] Figure 7 express Figure 6 A top view of a display panel in FIG.

[0035] Figure 8 A schematic diagram showing a display panel in an embodiment of the present invention;

[0036] Fig. 9 A schematic diagram showing a display panel in an embodiment of the present invention;

[0037] Fig.10 express Fig. 9 A top view of a display panel in FIG.

[0038] Fig.11 A schematic diagram showing a display panel in an embodiment of the present invention;

[0039] Fig.12 express Fig.11 A top view of a display panel in FIG.

[0040] Fig.13 A schematic diagram showing a display panel in an embodiment of the present invention;

[0041] Fig.14 express Fig.13 A top view of a display panel in FIG.

[0042] Fig.15 A schematic diagram showing a display panel in an embodiment of the present invention;

[0043] Fig.16 A schematic diagram showing a display panel in an embodiment of the present invention;

[0044] Fig.17 A schematic diagram showing a display panel in an embodiment of the present invention;

[0045] Fig.18 A schematic diagram showing a display panel in an embodiment of the present invention;

[0046] Fig.19 A schematic diagram showing a display panel in an embodiment of the present invention;

[0047] Fig. 20 A schematic diagram showing a display panel in an embodiment of the present invention;

[0048] Fig.21 A schematic diagram showing a display panel in an embodiment of the present invention;

[0049] Fig. 22 A schematic diagram showing a display panel in an embodiment of the present invention;

[0050] Fig.23 A schematic diagram showing a display panel in an embodiment of the present invention. DETAILED DESCRIPTION

[0051] In order to make the purpose, technical solution and advantages of the embodiments of the present disclosure clearer, the technical solution of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0052] Unless otherwise defined, the technical terms or scientific terms used in the present disclosure should be understood by people with ordinary skills in the field to which the present disclosure belongs. The "first", "second" and similar words used in the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, similar words such as "one", "one" or "the" do not indicate quantity restrictions, but indicate that there is at least one. Similar words such as "include" or "comprise" mean that the elements or objects appearing before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Similar words such as "connect" or "connected" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0053] The features such as "parallel", "perpendicular", and "same" used in the embodiments of the present disclosure include the features such as "parallel", "perpendicular", and "same" in a strict sense, as well as the cases where "approximately parallel", "approximately perpendicular", "approximately the same", etc. include certain tolerances, taking into account the tolerances associated with the measurement of specific quantities (e.g., the limitations of the measurement system), and represent the acceptable deviation range for a specific value determined by ordinary technicians in the field. For example, "approximately" can mean within one or more standard deviations, or within 3% or 5% of the value.

[0054] Figure 1 The red arrow 100 indicates ambient light, and the black arrow 200 indicates the light emitted by the light emitting layer 2 and reflected by the touch electrode 3 to the ambient light sensor 1. In the related art, the ambient light sensor 1 is arranged at the bottom of the display panel, and the ambient light reaches the ambient light sensor 1 via the display panel. The ambient light sensor 1 adjusts the brightness of the display panel accordingly according to the received ambient light illumination. However, the pixel light of the display panel (i.e., the light emitted by the light emitting layer 2) will also reach the ambient light sensor 1 after being reflected by the touch electrode 3, affecting the sensitivity of the ambient light sensor.

[0055] refer to Figure 2-Figure 23 In view of the above problems, this embodiment provides a display panel, including:

[0056] The substrate 101 includes a first side and a second side which are arranged opposite to each other;

[0057] A light emitting layer 2, located on the first side of the base substrate 101;

[0058] The touch electrode 3 is located on a side of the light emitting layer 2 away from the base substrate 101;

[0059] An ambient light sensor 1, located on the second side of the base substrate 101;

[0060] The display panel also includes a blocking structure, which is located between the light-emitting layer 2 and the touch electrode 3. The blocking structure is configured to absorb light from the light-emitting layer 2 that is incident on the touch electrode 3, or to change the path of light emitted by the light-emitting layer 2 that is reflected by the touch electrode 3, so as to prevent the light emitted by the touch electrode 3 from entering the ambient light sensor 1.

[0061] The setting of the blocking structure can absorb the light from the light-emitting layer 2 incident on the touch electrode 3, or change the path of the light emitted by the light-emitting layer 2 reflected by the touch electrode 3, so as to prevent the light emitted by the touch electrode 3 from entering the ambient light sensor 1, thereby optimizing the sensitivity and accuracy of the under-screen ambient light sensor 1.

[0062] Exemplarily, a pixel definition layer 104 is disposed on the first side of the base substrate 101, a plurality of pixel openings are disposed on the pixel definition layer 104, the light emitting layer 2 includes a plurality of light emitting parts, the plurality of light emitting parts are disposed in a one-to-one correspondence with the plurality of pixel openings, and the plurality of light emitting parts are located within the plurality of pixel openings. The orthographic projection of the blocking structure on the pixel definition layer 104 is located between two corresponding adjacent pixel openings, so as not to affect the normal display of the display panel.

[0063] Exemplarily, the touch electrode 3 includes a plurality of first touch electrodes 31 and a plurality of second touch electrodes 32, wherein the plurality of first touch electrodes 31 are arranged at intervals along the first direction, and each of the first touch electrodes 31 is extended along the second direction, that is, each of the first touch electrodes 31 is a bar structure extending along the second direction as a whole. The plurality of second touch electrodes 32 are arranged at intervals along the second direction, and each of the second touch electrodes 32 is extended along the first direction, that is, each of the second touch electrodes 32 is a bar structure extending along the first direction as a whole. It should be noted that the first touch electrodes 31 may be touch drive electrodes Tx, and the second touch electrodes 32 may be touch sensing electrodes Rx; or, the first touch electrodes 31 may be touch sensing electrodes Rx, and the second touch electrodes 32 may be touch drive electrodes Tx.

[0064] The structural form of the blocking structure is consistent with the structural form of the touch electrode 3. For example, the first touch electrodes 31 and the second touch electrodes 32 are arranged in a grid shape in an alternating manner, and the blocking structure includes a plurality of first blocking parts and a plurality of second blocking parts. The plurality of first blocking parts are arranged in a one-to-one correspondence with the plurality of first touch electrodes 31, and the plurality of second blocking parts are arranged in a one-to-one correspondence with the plurality of second touch electrodes 32. The first blocking parts and the second blocking parts are arranged in an alternating manner in a grid shape, and the orthographic projection pattern of the first touch electrodes 31 and the second touch electrodes 32 on the base substrate 101 is a first pattern, and the orthographic projection pattern of the first blocking parts and the second blocking parts on the base substrate 101 is a second pattern, and the first pattern and the second pattern are consistent with each other, so as to effectively block the light reflected from the touch electrode 3 to the ambient light sensor 1.

[0065] It should be noted that the plurality of first touch control electrodes 31 and the plurality of second touch control electrodes 32 may be disposed in the same layer or in different layers.

[0066] When the plurality of first touch electrodes 31 and the plurality of second touch electrodes 32 are arranged in different layers, Figure 8 , Fig.15 , Fig.19 and Fig.23 The first touch electrode 31 is located on a side of the second touch electrode 32 close to the light-emitting layer 2. The blocking structure can be arranged in a single layer or in multiple layers. For example, the blocking structure includes a first blocking portion arranged corresponding to the first touch electrode 31, and a second blocking portion arranged corresponding to the second touch electrode 32. The first blocking portion can be arranged on a side of the first touch electrode 31 close to the light-emitting layer 2, and the second blocking portion can be arranged between the first touch electrode 31 and the second touch electrode 32.

[0067] refer to Figure 2-Figure 15 In an exemplary embodiment, the blocking structure includes a light shielding portion 41 disposed between the light emitting layer 2 and the touch electrode 3 .

[0068] The light shielding portion 41 can absorb the light emitted by the light emitting layer 2 that is incident on the touch electrode 3 , thereby preventing the light reflected by the touch electrode 3 from entering the ambient light sensor 1 and affecting the sensitivity of the ambient light sensor 1 .

[0069] In an exemplary embodiment, the orthographic projection of the touch electrode 3 on the light shielding portion 41 is located within the light shielding portion 41. That is, in a direction parallel to the base substrate 101, the area of ​​the light shielding portion 41 is greater than or equal to the area of ​​the touch electrode 3, so as to effectively ensure that part of the light emitted from the light emitting layer 2 that is incident on the touch electrode 3 is absorbed by the light shielding portion 41 and will not be transmitted to the ambient light sensor 1. The ambient light sensor 1 can accurately control the screen brightness according to the external light and improve the sensitivity.

[0070] The light shielding portion 41 is provided to prevent the light emitted by the light emitting layer 2 from being incident on the touch electrode 3. The specific structure of the light shielding portion 41 can be set according to actual needs. In some implementations of this embodiment, the light shielding portion 41 and the touch electrode 3 are formed by using the same mask plate. In this way, a mask plate can be saved, and no additional mask plate is required, thereby saving costs.

[0071] refer to Figure 2-Figure 5 , Figure 2 is a schematic diagram after the light shielding portion 41 is formed on the buffer layer 107, Figure 3 for Figure 2 A top view of Figure 4 is a schematic diagram after the touch electrode 3 is formed on the light shielding portion 41, Figure 5 for Figure 4 A top view of Figure 2 , Figure 3 and Figure 4 , Figure 5 By comparison, it can be seen that the shape of the light shielding portion 41 is the same as that of the touch electrode 3 , and the light shielding portion 41 and the touch electrode 3 are made of the same mask plate.

[0072] In an exemplary embodiment, the display panel further includes a black matrix layer 5 located on a side of the touch electrode 3 away from the base substrate 101, and the light shielding portion 41 and the black matrix layer 5 are formed by using the same mask plate. The mask plate can be saved, and no additional mask plate is required, thereby saving costs.

[0073] refer to Figure 6 Due to the provision of the light shielding portion 41 , the light emitted by the light emitting layer 2 will not be reflected by the touch electrode 3 , and only the ambient light 100 enters the ambient light sensor 1 , thereby improving the sensitivity of the ambient light sensor.

[0074] It should be noted that the display panel further includes a color filter layer 6, the color filter layer 6 includes a plurality of color resistance units, the black matrix layer 5 includes a light shielding area and an opening area, and the color resistance unit is located in the opening area to achieve color display. The orthographic projection of the touch electrode 3 on the black matrix layer 5 is located in the light shielding area. Figure 5 and Figure 7 It can be seen that the touch electrode 3 is completely blocked by the light-shielding area of ​​the black matrix layer 5. The light-emitting layer 2 includes a plurality of light-emitting areas, and the plurality of light-emitting areas are arranged in a one-to-one correspondence with the plurality of opening areas. The light emitted by each light-emitting area is emitted from the corresponding opening area. Therefore, the light-shielding portion 41 is formed by using the mask plate forming the black matrix layer 5, which blocks the light emitted by the light-emitting layer 2 from being incident on the touch electrode 3 without affecting the normal display of the display panel.

[0075] In an exemplary embodiment, along the direction away from the base substrate 101, the first side of the base substrate 101 is sequentially stacked with a driving circuit layer, a flat layer 102, the light emitting layer 2, an encapsulation layer 106 and a buffer layer 107, and the light shielding portion 41 is provided on the side of the buffer layer 107 away from the base substrate 101. The touch electrode 3 is formed on the side of the light shielding portion 41 away from the base substrate 101, and the touch electrode 3 is directly stacked on the light shielding portion 41, effectively blocking the light of the light emitting layer 2 from being incident on the touch electrode 3.

[0076] refer to Figure 9-Figure 15 In an exemplary embodiment, along a direction away from the base substrate 101, the first side of the base substrate 101 is sequentially stacked with a driving circuit layer, a flat layer 102, the light emitting layer 2, an encapsulation layer 106 and a buffer layer 107;

[0077] The buffer layer 107 is made of a black light shielding material, and the buffer layer 107 is patterned to be reused as the light shielding portion 41 .

[0078] By adopting the above solution, the light incident on the touch electrode 3 by the light emitting layer 2 can be absorbed without increasing the overall thickness of the display panel, so as to improve the sensitivity of the ambient light sensor 1 .

[0079] Exemplarily, the buffer layer 107 is made of a black light shielding material, and when it is reused as the light shielding portion 41, the light shielding portion 41 can share the same mask plate with the black matrix layer 5 (refer to Fig.10 and Fig.14 ), or the shading portion 41 may share the same mask plate with the touch electrode 3 to save costs.

[0080] The setting of the blocking structure in this embodiment can avoid the touch electrode 3 reflecting the light emitted by the light emitting layer 2 and incident on the ambient light sensor 1 by absorbing the light emitted by the light emitting layer 2 and incident on the touch electrode 3, and can also avoid affecting the sensitivity of the ambient light sensor 1 by changing the path of the light reflected by the touch electrode 3.

[0081] refer to Figure 16-Figure 19 In an exemplary embodiment, along a direction away from the base substrate 101, the first side of the base substrate 101 is sequentially stacked with a driving circuit layer, a flat layer 102, the light emitting layer 2, an encapsulation layer 106 and a buffer layer 107;

[0082] The blocking structure includes a first light conversion functional portion 42, wherein the first light conversion functional portion 42 includes a concave portion formed by a local area of ​​a side of the buffer layer 107 away from the base substrate 101 being concave;

[0083] The touch electrode 3 is formed in the concave portion, and a surface of the touch electrode 3 close to the concave portion is a curved surface that matches the shape of the concave portion.

[0084] After the light emitted by the light emitting layer 2 reaches the touch electrode 3, the reflective surface of the touch electrode 3 is a convex curved surface arranged toward the light emitting layer 2, and the reflective light path is changed. Fig.19 The reflected light 200 in the image sensor can greatly reduce the light reaching the ambient light sensor 1, significantly reduce the interference of the reflected light on the ambient light sensor 1, and improve the sensitivity and accuracy of the ambient light sensor 1.

[0085] It should be noted that the first light conversion functional part 42 can be formed by using the same mask plate as the mask plate used to form the touch electrode 3 , which can save costs.

[0086] It should be noted that the first light conversion functional part 42 can be formed by coating a negative photosensitive material and undergoing patterning processes such as exposure, development, and baking.

[0087] Exemplarily, the first electrode 103, the pixel definition layer 104, the light-emitting layer 2, the second electrode 105 and the encapsulation layer 106 are sequentially stacked on the flat layer 102. In order to further reduce the light reaching the ambient light sensor 1, the pixel definition layer 104 is made of black light-shielding material. The pixel definition layer 104 is located between the touch electrode 3 and the ambient light sensor 1, and can absorb the light reflected by the touch electrode 3. In conjunction with the first light conversion functional unit 42, it can effectively reduce the light reaching the ambient light sensor 1, significantly reduce the interference of reflected light on the ambient light sensor 1, and improve the sensitivity and accuracy of the ambient light sensor 1.

[0088] refer to Figure 20-23 In an exemplary embodiment, along a direction away from the base substrate 101, the first side of the base substrate 101 is sequentially stacked with a driving circuit layer, a flat layer 102, the light emitting layer 2, an encapsulation layer 106 and a buffer layer 107;

[0089] The blocking structure includes a second light conversion functional portion 43, and the second light conversion functional portion 43 includes a convex portion formed by a local area of ​​the buffer layer 107 that is away from the base substrate 101;

[0090] The touch electrode 3 is formed on a side of the convex portion away from the base substrate 101 , and a side of the touch electrode 3 close to the buffer layer 107 is a curved surface that matches the shape of the convex portion and is convex toward the side away from the light emitting layer 2 .

[0091] After the light emitted by the light emitting layer 2 reaches the touch electrode 3, the reflective surface of the touch electrode 3 is a convex curved surface that is convexly disposed away from the light emitting layer 2, and the reflective light path is changed (refer to Fig. 22 The reflected light 200 in the ambient light sensor 1 can greatly reduce the light reaching the ambient light sensor 1, significantly reduce the interference of the reflected light on the ambient light sensor 1, and improve the sensitivity and accuracy of the ambient light sensor 1.

[0092] It should be noted that the second light conversion functional portion 43 can be formed by using the same mask plate as the mask plate used to form the touch electrode 3 , which can save costs.

[0093] It should be noted that the second light conversion functional unit 43 can be formed through patterning processes such as exposure, development, and baking.

[0094] Exemplarily, the first electrode 103, the pixel definition layer 104, the light-emitting layer 2, the second electrode 105 and the encapsulation layer 106 are sequentially stacked on the flat layer 102. In order to further reduce the light reaching the ambient light sensor 1, the pixel definition layer 104 is made of black light-shielding material. The pixel definition layer 104 is located between the touch electrode 3 and the ambient light sensor 1, and can absorb the light reflected by the touch electrode 3. In conjunction with the second light conversion functional unit 43, it can effectively reduce the light reaching the ambient light sensor 1, significantly reduce the interference of reflected light on the ambient light sensor 1, and improve the sensitivity and accuracy of the ambient light sensor 1.

[0095] Exemplarily, in the direction away from the base substrate 101, an inorganic layer and a driving circuit layer are arranged on the base substrate 101, and the base substrate 101 may be a flexible base substrate 101 made of polyimide or a glass substrate. The inorganic layer includes a barrier layer (Barrier) and a buffer layer 107 (Buffer) stacked in sequence in the direction away from the base substrate 101. The driving circuit layer includes a thin film transistor TFT, and the TFT may be a top gate TFT, a bottom gate TFT or a double gate TFT. The type of TFT is not limited in the embodiment of the present disclosure. For example, the thin film transistor includes an active layer arranged on the side of the buffer layer 107 facing away from the base substrate 101, a gate insulating layer (GI) arranged on the side of the active layer facing away from the base substrate 101, a gate arranged on the side of the gate insulating layer facing away from the base substrate 101, an interlayer dielectric layer (ILD) arranged on the side of the gate insulating layer facing away from the base substrate 101, and a conductive layer arranged on the side of the interlayer dielectric layer facing away from the base substrate 101, and the conductive layer includes a source and a drain of the thin film transistor, and the source and the drain are electrically connected to the active layer respectively.

[0096] A flat layer 102 is arranged on the side of the thin film transistor layer away from the base substrate 101, and a first electrode 103, a pixel definition layer 104, a light-emitting layer 2, a second electrode 105 and an encapsulation layer 106 are arranged in sequence on the side of the flat layer 102 away from the driving backplane. The encapsulation layer 106 includes a first inorganic encapsulation film layer 1001, an organic encapsulation film layer 1002 and a second inorganic encapsulation film layer 1003 which are stacked in layers. The encapsulation layer 106 is formed by staggered stacking of the first inorganic encapsulation film layer 1001, the organic encapsulation film layer 1002 and the second inorganic encapsulation film layer 1003, and may be 3 layers or 5 layers. The first inorganic encapsulation film layer 1001 and the second inorganic encapsulation film layer 1003 are made of SiOx, SiNx or a combination of other inorganic materials, and may be formed by chemical vapor deposition, physical vapor deposition, atomic force deposition and the like. The organic encapsulation film layer 1002 can be formed by uniformly coating a molten material (hereinafter referred to as Ink) that can block moisture between the first inorganic encapsulation film layer 1001 and the second inorganic encapsulation film layer 1003 using inkjet printing (IJP, Inject Printer) technology, which can flatten the surface of the display panel and increase the bendability of the display panel.

[0097] Exemplarily, the light-emitting layer 2 specifically includes a hole injection layer (HIL), a hole transport layer (HTL), a light-emitting device, an electron transport layer (ETL), and an electron injection layer (EIL) sequentially stacked on the substrate 101. The first electrode 103 is an anode, and the second electrode 105 is a cathode.

[0098] When the display panel is working, an electrical signal is provided to the anode and cathode, so that a current is formed between the anode and the cathode, driving the light-emitting device to emit light. The hole injection layer injects holes into the light-emitting device, the hole transport layer is used to transport holes and accelerate the movement of holes, the electron injection layer injects electrons into the light-emitting device, and the electron transport layer is used to transport electrons and accelerate the movement of electrons, so that the recombination speed of electrons and holes in the light-emitting device is increased, thereby improving the luminous efficiency.

[0099] It should be noted that the reference Figure 6 A first opening is provided on the black matrix layer 5 for accommodating the color resist layer, and a pixel opening is provided on the pixel definition layer 104 to define a plurality of sub-pixels. In order to facilitate the entry of ambient light into the ambient light sensor, a second opening 51 is further provided on the black matrix layer 5, and a third opening 1041 is further provided on the pixel definition layer 104. The orthographic projection of the second opening 51 on the base substrate 101 at least partially overlaps with the orthographic projection of the third opening 1041 on the base substrate 101.

[0100] An embodiment of the present invention further provides a display device, comprising the above-mentioned display panel.

[0101] There are a few points to note:

[0102] (1) The drawings of the embodiments of the present disclosure only relate to the structures related to the embodiments of the present disclosure, and other structures may refer to the general design.

[0103] (2) For the sake of clarity, in the drawings used to describe the embodiments of the present disclosure, the thickness of layers or regions is exaggerated or reduced, that is, these drawings are not drawn according to the actual scale. It is understood that when an element such as a layer, film, region or substrate is referred to as being "on" or "under" another element, the element may be "directly" "on" or "under" the other element or there may be intermediate elements.

[0104] (3) In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0105] It is to be understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present invention, but the present invention is not limited thereto. For those of ordinary skill in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. A display panel, characterized in that: include: A substrate base plate, comprising a first side and a second side disposed opposite to each other; A light emitting layer, located on the first side of the base substrate; A touch electrode, located on a side of the light-emitting layer away from the base substrate; an ambient light sensor located on the second side of the substrate; The display panel also includes a blocking structure, which is located between the light-emitting layer and the touch electrode. The blocking structure is configured to absorb light from the light-emitting layer that is incident on the touch electrode, or to change the path of light emitted by the light-emitting layer that is reflected by the touch electrode, so as to prevent the light emitted by the touch electrode from entering the ambient light sensor.

2. The display panel according to claim 1, characterized in that: The blocking structure includes a light shielding portion disposed between the light emitting layer and the touch electrode.

3. The display panel according to claim 2, characterized in that: The orthographic projection of the touch electrode on the light shielding portion is located inside the light shielding portion.

4. The display panel according to claim 2, characterized in that: The light shielding portion and the touch electrode are formed by using the same mask plate.

5. The display panel according to claim 2, characterized in that: It also includes a black matrix layer located on a side of the touch electrode away from the base substrate, and the light shielding portion and the black matrix layer are formed by using the same mask plate.

6. The display panel according to claim 2, characterized in that: Along the direction away from the base substrate, the first side of the base substrate is sequentially stacked with a driving circuit layer, a flat layer, the light-emitting layer, a packaging layer and a buffer layer, and the light-shielding portion is provided on the side of the buffer layer away from the base substrate.

7. The display panel according to claim 2, characterized in that: Along the direction away from the base substrate, the first side of the base substrate is sequentially stacked with a driving circuit layer, a flat layer, the light-emitting layer, a packaging layer and a buffer layer; The buffer layer is made of a black light-shielding material, and the buffer layer is patterned to be reused as the light-shielding portion.

8. The display panel according to claim 1, characterized in that: Along the direction away from the base substrate, the first side of the base substrate is sequentially stacked with a driving circuit layer, a flat layer, the light-emitting layer, a packaging layer and a buffer layer; The blocking structure includes a first light conversion functional portion, wherein the first light conversion functional portion includes a concave portion formed by a local area of ​​the buffer layer away from the substrate being concave; The touch electrode is formed in the concave portion.

9. The display panel according to claim 1, characterized in that: Along the direction away from the base substrate, the first side of the base substrate is sequentially stacked with a driving circuit layer, a flat layer, the light-emitting layer, a packaging layer and a buffer layer; The blocking structure includes a second light conversion functional portion, wherein the second light conversion functional portion includes a convex portion formed by a local area of ​​the buffer layer away from the substrate. The touch electrode is formed on a side of the protrusion away from the base substrate.

10. The display panel according to claim 1, characterized in that: Along the direction away from the base substrate, the first side of the base substrate is sequentially stacked with a driving circuit layer, a planar layer, a first electrode, a pixel definition layer, the light-emitting layer, a second electrode and a packaging layer; The pixel definition layer is made of black light-shielding material.

11. A display device, characterized in that: A display panel comprising any one of claims 1 to 10.

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