Display panel and display device

Abstract

The application relates to a display panel and a display device. The display panel comprises a substrate, a light-emitting unit arranged on one side of the substrate, the light-emitting unit comprising a first electrode, a light-emitting functional layer and a second electrode arranged in a stacking manner away from the substrate, and an isolation structure arranged on one side of the substrate, the adjacent light-emitting units being arranged in a spaced manner through the isolation structure. The isolation structure comprises a first touch part and a first conductive part, the first touch part and the first conductive part are arranged in the same layer and are electrically insulated, and the second electrode and the first conductive part are electrically connected. Thus, compared with the display panel adopting the On-Cell technology, on the one hand, the number of film layers of the touch module is reduced, thereby reducing the mask and lowering the manufacturing cost; on the other hand, the thickness of the display panel is reduced, which is beneficial to the light and thin display panel.

Description

TECHNICAL FIELD

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

[0002] Recently, an organic light emitting diode (OLED) display device has been attracting much attention as a next generation display device. The OLED is a self-emitting device in which light is emitted from an organic emission layer due to recombination of electrons and holes, and the OLED has high luminance and low driving voltage, and enables construction of an ultra-thin device.

[0003] There is an increasing demand for adding a touch panel to the OLED display device to transmit information to the OLED display device by touching a part of the touch panel with a hand or a separate input member. A general touch panel is divided into three types: an Add-On type, an On-Cell type, and an In-Cell type. The Add-On type touch panel is attached to an outer surface of the OLED display device, the On-Cell type touch panel is disposed on the OLED display panel, and the In-Cell type touch panel is installed in the OLED display panel. However, the OLED display device using the On-Cell technology has a problem of high manufacturing cost and thick product thickness. SUMMARY

[0004] Therefore, it is necessary to provide a display panel and a display device for at least one of the above problems.

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

[0006] a substrate;

[0007] a light emitting unit disposed on one side of the substrate, the light emitting unit comprising a first electrode, a light emitting functional layer, and a second electrode stacked in a direction away from the substrate;

[0008] an isolation structure disposed on one side of the substrate, adjacent light emitting units being spaced apart by the isolation structure;

[0009] wherein the isolation structure comprises a first touch control portion and a first conductive portion, the first touch control portion and the first conductive portion are disposed in the same layer and are electrically insulated; and the second electrode and the first conductive portion are electrically connected.

[0010] The display panel provided by the embodiments of the present application has the first touch control part and the first conductive part arranged in the same layer, which is equivalent to arranging the first touch control part on the isolation structure. When the first conductive part of the isolation structure is manufactured, the first touch control part can be manufactured synchronously. Compared with the display panel using the On-Cell technology, on the one hand, the number of film layers of the touch module is reduced, thereby reducing the mask and lowering the manufacturing cost; on the other hand, the thickness of the display panel is reduced, which is beneficial to the thinning of the display panel.

[0011] In one of the embodiments, the number of the first conductive parts is multiple, and an isolation gap is formed between adjacent first conductive parts, and the first touch control part is arranged in the isolation gap; each first conductive part defines a first opening, and the light emitting unit is arranged in the first opening.

[0012] Optionally, the orthographic projection of the first conductive part on the substrate is a closed ring.

[0013] In this way, on the one hand, the isolation structure can block the evaporation material of the adjacent light emitting units; on the other hand, the isolation structure can realize the touch control function.

[0014] In one of the embodiments, the first touch control part includes multiple sub-touch blocks, and adjacent sub-touch blocks are arranged on the same side of the substrate.

[0015] Optionally, each sub-touch block at least surrounds at least part of the outer periphery of the first conductive part.

[0016] Optionally, the orthographic projection of the sub-touch block on the substrate is a grid shape.

[0017] Optionally, the multiple sub-touch blocks are arranged in rows along a first direction and arranged in columns along a second direction intersecting the first direction.

[0018] In this way, only one touch film layer can be arranged in the display panel to make the display panel have the touch control function, thereby reducing the thickness of the display panel.

[0019] In one of the embodiments, the display panel further includes:

[0020] A first functional layer arranged on the side of the isolation structure away from the substrate.

[0021] A second touch control part arranged on the side of the first functional layer away from the substrate.

[0022] One of the first touch control part and the second touch control part is configured as a transmitting electrode, and the other is configured as a receiving electrode.

[0023] Optionally, the first touch control part comprises a plurality of first sub-electrodes arranged along a first direction, and the second touch control part comprises a plurality of second sub-electrodes arranged along a second direction; the first direction intersects the second direction.

[0024] Optionally, a projection of each first sub-electrode on the substrate is in a grid shape.

[0025] Optionally, the first functional layer is configured as an encapsulation layer.

[0026] In this way, by arranging two touch film layers, the touch precision and accuracy of the display panel can be better.

[0027] In one of the embodiments, the display panel further comprises:

[0028] a second functional layer arranged on a side of the isolation structure close to the substrate;

[0029] an auxiliary electrode arranged on a side of the second functional layer close to the substrate; the first conductive part is electrically connected to the auxiliary electrode.

[0030] Optionally, a projection of the auxiliary electrode on the substrate overlaps a projection of the first conductive part on the substrate; the display panel further comprises a first via connection structure, and the first conductive part is electrically connected to the auxiliary electrode through the first via connection structure.

[0031] Optionally, a projection of the first conductive part on the substrate covers a projection of the first via connection structure on the substrate.

[0032] Optionally, the second functional layer is configured as a pixel definition layer, the pixel definition layer encloses a pixel opening, and the light emitting unit is arranged in the pixel opening.

[0033] In this way, the second electrode can be connected to the pixel driving circuit through the first conductive part and the auxiliary electrode of the isolation structure, and the wiring arrangement of the display area is reduced.

[0034] In one of the embodiments, a projection of the auxiliary electrode on the substrate overlaps a projection of the first touch control part on the substrate.

[0035] Optionally, the auxiliary electrode comprises a first part and a second part connected to each other, a projection of the first part on the substrate overlaps a projection of the first conductive part on the substrate, and the first part is connected to the first conductive part through the first via connection structure.

[0036] The second portion has an overlapping area with the first touch portion on the substrate.

[0037] In this way, on the one hand, the first touch portion can shield the elements on the substrate to reduce the electrical interference of the elements. On the other hand, the second portion can serve as an auxiliary touch electrode.

[0038] In one of the embodiments, the display panel further comprises:

[0039] a chip disposed on one side of the substrate;

[0040] a first touch trace, one end of the first touch trace being electrically connected to the first touch portion, and the other end being electrically connected to the chip; the first touch trace is disposed in the same layer as the first conductive portion and is electrically insulated.

[0041] In this way, the first conductive portion and the first touch trace can be manufactured in the same process, thereby reducing the mask and lowering the manufacturing cost.

[0042] In one of the embodiments, the isolation structure comprises a first blocking portion, the first blocking portion being disposed on the side of the first conductive portion away from the substrate;

[0043] The first blocking portion has a projection on the substrate, which is located at the periphery of the outer contour of the first conductive portion on the substrate.

[0044] Optionally, the first blocking portion is configured as an insulating film layer.

[0045] In this way, the isolation structure can have better isolation performance.

[0046] In one of the embodiments, the isolation structure further comprises a second blocking portion, the second blocking portion being disposed on the side of the first touch portion away from the substrate; the second blocking portion is disposed in the same layer as the first blocking portion.

[0047] Optionally, the second blocking portion has a projection on the substrate, which is located at the periphery of the outer contour of the first touch portion on the substrate.

[0048] In this way, the isolation structure can have better isolation performance.

[0049] In a second aspect, the embodiments of the present application provide a display device, which comprises the display panel in any one of the embodiments of the first aspect.

[0050] The display device provided by the embodiment of the present application has the first touch control part and the first conductive part arranged in the same layer, which is equivalent to arranging the first touch control part on the isolation structure. When the first conductive part of the isolation structure is manufactured, the first touch control part can be manufactured synchronously. Compared with the display panel adopting the On-Cell technology, on one hand, the number of film layers of the touch module is reduced, so that the mask is reduced and the manufacturing cost is reduced; on the other hand, the thickness of the display panel is reduced, which is beneficial to the thinning of the display panel. BRIEF DESCRIPTION OF DRAWINGS

[0051] Figure 1 A structural schematic diagram of a display panel is provided for an embodiment of the present application.

[0052] Figure 2 A sectional structural schematic diagram of another display panel is provided for an embodiment of the present application.

[0053] Figure 3 A sectional structural schematic diagram of a display panel is provided for an embodiment of the present application. Figure 2 A sectional structural schematic diagram of a display panel is provided for an embodiment of the present application.

[0054] Figure 4 A sectional structural schematic diagram of a display panel is provided for an embodiment of the present application. Figure 1 A sectional structural schematic diagram of a display panel is provided for an embodiment of the present application.

[0055] Figure 5 A sectional structural schematic diagram of another display panel is provided for an embodiment of the present application.

[0056] Figure 6 A sectional structural schematic diagram of a display panel is provided for an embodiment of the present application. Figure 5 A sectional structural schematic diagram of a display panel is provided for an embodiment of the present application.

[0057] Figure 7 A sectional structural schematic diagram of a display panel is provided for an embodiment of the present application. Figure 5 A connection schematic diagram of an isolation structure and a light emitting unit of a display panel is provided for an embodiment of the present application.

[0058] Figure 8 A sectional structural schematic diagram of a display panel is provided for an embodiment of the present application. Figure 5 A sectional structural schematic diagram of a display panel is provided for an embodiment of the present application.

[0059] Figure 9 A sectional structural schematic diagram of a display panel is provided for an embodiment of the present application. Figure 5 A sectional structural schematic diagram of a display panel is provided for an embodiment of the present application.

[0060] Figure 10 A sectional structural schematic diagram of another display panel is provided for an embodiment of the present application.

[0061] Figure 11 A sectional structural schematic diagram of a display panel is provided for an embodiment of the present application. Figure 10 A sectional structural schematic diagram of a display panel is provided for an embodiment of the present application.

[0062] Figure 12 FIG. 1 is a structural schematic diagram of a display device according to an embodiment of the present application.

[0063] Reference Signs List:

[0064] 1, display device; 10, display panel; 10a, display area; 10b, non-display area; 11, substrate; 12, light emitting unit; 12a, first light emitting unit; 12b, second light emitting unit; 12c, third light emitting unit; 121, first electrode; 122, light emitting functional layer; 123, second electrode; 13, isolation structure; 13a, first opening; 131, first conductive part; 132, first blocking part; 133, first touch part; 1331, sub touch block; 1332, first sub electrode; 134, second blocking part; 14, second touch part; 15, encapsulation layer; 151, first inorganic layer; 152, organic layer; 153, second inorganic layer; 16, auxiliary electrode; 161, first part; 162, second part; 17, pixel definition layer; 171, pixel opening; 172, first via connection structure; 18, chip; 19, first touch trace. DETAILED DESCRIPTION

[0065] For the purpose of promoting an understanding of the principles of the application, reference will now be made to the embodiments illustrated in the drawings. It is expressly understood that the drawings are for illustration only and that the application can be embodied in many different forms. In addition, any combinations of the embodiments are specifically embraced by the scope of the claimed application and are disclosed by the present disclosure.

[0066] It is noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. As used herein the terms "vertical", "horizontal", "left", "right" and the like are merely used for the purpose of illustration and are not intended to be limiting.

[0067] In the present document, spatially relative terms such as "beneath", "below", "lower", "above", "upper" and the like can be used for describing an element's relationship to another element as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and / or manufacture in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0068] In the drawings, the size of layers and regions can be exaggerated for clarity. It will be understood that when a layer or element is referred to as being "on" another layer or substrate, it can be directly on the other layer or substrate, or intervening layers can also be present. Also, it will be understood that when a layer is referred to as being "between" two layers, it can be the only layer between the two layers, or one or more intervening layers can also be present. In addition, like reference numerals are used throughout the drawings to denote like elements.

[0069] Hereinafter, although terms such as "first", "second", etc. can be used to describe various components, the components are not necessarily limited to the above terms. The above terms are used only to distinguish one component from another component. It will also be understood that an expression used in the singular encompasses an expression in the plural, unless the context clearly dictates otherwise. In addition, in the following embodiments, it will also be understood that the terms "comprise" and / or "have" used herein indicate the presence of the stated features or components, but do not exclude the presence or addition of one or more other features or components.

[0070] In the following embodiments, when a layer, region, or element is "connected", it can be interpreted as not only being directly connected but also being connected through other constituent elements placed therebetween. For example, when a layer, region, element, etc. is described as being connected or electrically connected, the layer, region, element, etc. can be connected or electrically connected not only directly but also through another layer, region, element, etc. placed therebetween.

[0071] As used in the specification, the term "and / or" includes any and all combinations of one or more of the associated listed items. When phrases such as "at least one of (a), (b), and (c)" are used, it is meant to include any one of (a), (b), or (c) individually, as well as any combination of (a), (b), and (c).

[0072] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0073] It will also be understood that the terms "comprise / comprising" or "have / having" etc., specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

[0074] It should also be understood that in interpreting the elements, although not explicitly described, the elements are interpreted to include an error range that should be within an acceptable deviation range of the specific value determined by the person skilled in the art. For example, "about", "approximately" or "substantially" can mean within one or more standard deviations, without limitation.

[0075] In addition, in the specification, the phrase "plan view schematic diagram" refers to a drawing when the target part is observed from above, and the phrase "cross-sectional schematic diagram" refers to a drawing when a section is observed from the side by vertically cutting the target part.

[0076] In addition, the drawings are not drawn to scale 1:1, and the relative sizes of the elements are only drawn by way of example in the drawings, and are not necessarily drawn according to the true scale.

[0077] As described in the background, in the related OLED display device, at least 3 masks are required when making the touch panel, one mask is used to make the touch electrode, one mask is used to make the insulating layer on the touch electrode, and one mask is used to make the bridging layer of the touch electrode. In this way, on the one hand, the use of more masks leads to higher manufacturing cost, on the other hand, the number of touch panel film layers is more, which leads to thicker product thickness.

[0078] Therefore, the embodiments of the present application provide a display panel and a display device, by arranging the first touch part and the first conductive part in the same layer, which is equivalent to making the first touch part on the isolation structure. Compared with the display panel using On-Cell technology, on the one hand, the number of film layers of the touch module is reduced, thereby reducing the mask and reducing the manufacturing cost; on the other hand, the thickness of the display panel is reduced, which is beneficial to the thinning of the display device.

[0079] In the first aspect, with reference to Figure 1 , Figure 2 and Figure 3 , the embodiments of the present application provide a display panel 10 with touch function, which can be an OLED (Organic Light Emitting Diode) display panel.

[0080] Specifically, the display panel 10 includes a substrate 11, a light emitting unit 12 and an isolation structure 13.

[0081] The light emitting unit 12 is arranged on one side of the substrate 11, and includes a first electrode 121, a light emitting functional layer 122 and a second electrode 123 arranged in a stack away from the substrate 11. The isolation structure 13 is arranged on one side of the substrate 11, and is located between adjacent light emitting units 12, and the adjacent light emitting units 12 are arranged apart by the isolation structure 13.

[0082] Further, the isolation structure 13 includes a first touch control portion 133 and a first conductive portion 131, and the first touch control portion 133 and the first conductive portion 131 are arranged in the same layer and are electrically insulated. The second electrode 123 and the first conductive portion 131 are electrically connected.

[0083] It can be understood that the substrate 11 can be an array substrate. In the embodiments of the present application, the "isolation structure 13" refers to a structure that can block the evaporation material of the light emitting unit 12. In one example, the first conductive portion 131 is a single-layer structure. For example, the first conductive portion 131 can be a metal layer or a metal oxide layer. In another example, the first conductive portion 131 is a laminated structure, that is, the first conductive portion 131 includes at least two metal layers.

[0084] It should be noted that the first electrode 121 can be an anode, and the second electrode 123 can be a cathode. The first electrode 121 and the second electrode 123 are both electrically connected to a pixel driving circuit in the array substrate.

[0085] It can be understood that the light emitting functional layer 122 includes at least an emission layer (EML), and in addition, can include one or more of a hole injection layer (HIL), a hole transport layer (HTL), an electron injection layer (EIL), an electron transport layer (ETL), a hole block layer (HBL) and an electron block layer (EBL). Alternatively, the light emitting functional layer 122 can also be a laminated emission layer, that is, includes at least two emission layers and a charge generation layer (CGL) located between each adjacent emission layer.

[0086] The display panel 10 provided by the embodiment of the present application has the following advantages. On the one hand, the second electrode 123 is electrically connected with the first conductive part 131 of the isolation structure 13, which means that the isolation structure 13 also has the function of transmitting the power signal, thereby reducing the wiring of the display area 10a of the display panel 10. On the other hand, the first touch part 133 and the first conductive part 131 are arranged in the same layer, which means that the first touch part 133 is arranged on the isolation structure 13. When the first conductive part 131 of the isolation structure 13 is manufactured, the first touch part 133 can be manufactured synchronously. Compared with the display panel 10 using the On-Cell technology, on the one hand, the number of film layers of the touch module is reduced, thereby reducing the mask and the manufacturing cost; on the other hand, the thickness of the display panel 10 is reduced, which is beneficial to the thinning of the display panel 10.

[0087] In one of the embodiments, the number of the first conductive parts 131 is multiple, and the isolation gap is formed between the adjacent first conductive parts 131, and the first touch part 133 is arranged in the isolation gap. Each first conductive part 131 defines the first opening 13a, and the light emitting unit 12 is arranged in the first opening 13a.

[0088] By arranging the first touch part 133 in the isolation gap, on the one hand, the first conductive part 131 can be electrically connected with the second electrode 123; on the other hand, the isolation structure 13 can realize the touch function.

[0089] It can be understood that the number of the light emitting units 12 is multiple, and the multiple first conductive parts 131 jointly define the multiple first openings 13a. Each light emitting unit 12 can be arranged in a first opening 13a.

[0090] In one example, the first conductive part 131 defines the multiple first openings 13a.

[0091] In another example, referring to FIG. 1, the first conductive part 131 defines the first opening 13a. Figure 3

[0092] In one of the embodiments, the first conductive part 131 has a closed ring shape in the orthographic projection on the substrate 11, that is, the first conductive part 131 has a ring structure. For example, the first conductive part 131 can have a rectangular ring shape, a circular ring shape, a triangular ring shape, etc.

[0093] In this way, the isolation structure 13 can block the evaporation material, and the evaporation material of the adjacent light emitting units 12 can be prevented from being connected.

[0094] In one of the embodiments, referring to FIG. 1 and FIG. 2, the first conductive part 131 is arranged on the substrate 11. Figure 3 Figure 4 ​​As shown, the first touch control part 133 includes a plurality of sub touch control blocks 1331. Adjacent sub touch control blocks 1331 are arranged at intervals on the same side of the substrate 11.

[0095] In this way, only one touch control film layer (i.e., the first touch control part 133) can be arranged in the display panel 10 to make the display panel 10 have a touch control function, thereby reducing the thickness of the display panel 10. It should be noted that in the embodiments of the present application, each sub touch control block 1331 is both a driving electrode and a receiving electrode, and the sub touch control block 1331 can realize a touch control function through a self-capacitance principle with the assistance of other metal film layers on the display panel 10.

[0096] In one of the embodiments, each sub touch control block 1331 at least surrounds at least part of the outer periphery of the first conductive part 131. In this way, the area of the sub touch control block 1331 can be maximized, thereby improving the touch control accuracy.

[0097] In one of the embodiments, the orthographic projection of the sub touch control block 1331 on the substrate 11 is in a grid shape, i.e., the sub touch control block 1331 is in a grid structure. Specifically, the grid-shaped sub touch control block 1331 can have a plurality of mesh holes, and the first conductive part 131 and the light emitting unit 12 can be arranged in the mesh holes. In one example, one first conductive part 131 and one light emitting unit 12 are arranged in the same mesh hole. In another example, two first conductive parts 131 and two light emitting units 12 are arranged in the same mesh hole. The embodiments of the present application do not limit this.

[0098] In one of the embodiments, the plurality of sub touch control blocks 1331 are arranged in rows along a first direction X and arranged in columns along a second direction Y intersecting the first direction X. In this way, the sub touch control blocks 1331 can be more evenly distributed, thereby making the display panel 10 have higher touch control accuracy.

[0099] In one of the embodiments, referring to Figure 9 and Figure 10 As shown, the display panel 10 further includes a first functional layer and a second touch control part 14, wherein the first functional layer is arranged on the side of the isolation structure 13 away from the substrate 11. The second touch control part 14 is arranged on the side of the first functional layer away from the substrate 11. Further, one of the first touch control part 133 and the second touch control part 14 is configured as a transmitting electrode, and the other is configured as a receiving electrode.

[0100] In this way, by arranging two touch control film layers (i.e., the first touch control part 133 and the second touch control part 14), the touch control accuracy and precision of the display panel 10 can be better.

[0101] In one embodiment, the first touch unit 133 includes a plurality of first sub-electrodes 1332 arranged at intervals along a first direction X, and the second touch unit 14 includes a plurality of second sub-electrodes (not shown) arranged at intervals along a second direction Y. The first direction X intersects the second direction Y.

[0102] In one embodiment, the orthographic projection of each first sub-electrode 1332 onto the substrate 11 is a grid. That is, the first sub-electrode 1332 has a grid-like structure. Specifically, the grid-like first sub-electrode 1332 may have multiple mesh openings, and the first conductive portion 131 and the light-emitting unit 12 may be disposed in the mesh openings. In one example, one first conductive portion 131 and one light-emitting unit 12 are disposed in the same mesh opening. In another example, two first conductive portions 131 and two light-emitting units 12 are disposed in the same mesh opening. The embodiments of this application do not limit this.

[0103] In one embodiment, the first functional layer is configured as an encapsulation layer 15. Specifically, the encapsulation layer 15 includes a first inorganic layer 151, an organic layer 152, and a second inorganic layer 153 stacked together. The second touch portion 14 is disposed on the side of the second inorganic layer 153 away from the substrate 11. Further, an insulating film layer (not shown in the figure) is also disposed on the side of the second touch portion 14 away from the substrate 11 to prevent the second touch portion 14 from short-circuiting.

[0104] It is understood that the first functional layer can also be a color filter layer or a planarization layer. This application does not limit the type of the first functional layer in its embodiments.

[0105] In one embodiment, reference Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the display panel 10 also includes a second functional layer and an auxiliary electrode 16. The second functional layer is disposed on the side of the isolation structure 13 near the substrate 11. The auxiliary electrode 16 is disposed on the side of the second functional layer near the substrate 11. The first conductive portion 131 is electrically connected to the auxiliary electrode 16.

[0106] In this embodiment, the auxiliary electrode 16 is equivalent to an auxiliary cathode. On the one hand, it facilitates the connection of the second electrode 123 to the pixel driving circuit; on the other hand, it can reduce the resistance of the second electrode 123, thereby increasing the power consumption of the display panel 10.

[0107] In one embodiment, the orthographic projection of the auxiliary electrode 16 on the substrate 11 overlaps with the orthographic projection of the first conductive portion 131 on the substrate 11. The display panel 10 also includes a first via connection structure 172, through which the first conductive portion 131 and the auxiliary electrode 16 are electrically connected.

[0108] In this way, the second electrode 123 can be connected with the pixel driving circuit through the first conductive part 131, the first via connection structure 172 and the auxiliary electrode 16, and the wiring of the display area 10a is reduced.

[0109] In one of the embodiments, the orthographic projection of the first conductive part 131 on the substrate 11 covers the orthographic projection of the first via connection structure 172 on the substrate 11. In this way, when the first conductive part 131 is manufactured, the first conductive part 131 is facilitated to be electrically connected with the first via connection structure 172.

[0110] In one of the embodiments, the second functional layer is configured as the pixel defining layer 17, and the pixel defining layer 17 encloses to form the pixel opening 171, and the light emitting unit 12 is arranged in the pixel opening 171.

[0111] By arranging the pixel defining layer 17, the light emitting unit 12 is facilitated to be arranged on the substrate 11. It can be understood that the pixel defining layer 17 is provided with a plurality of pixel openings 171.

[0112] In one of the embodiments, the plurality of first openings 13a and the plurality of pixel openings 171 are in one-to-one correspondence.

[0113] Here, it should be noted that the "one-to-one correspondence" means that each first opening 13a corresponds to one pixel opening 171.

[0114] In another embodiment, one first opening 13a corresponds to a plurality of pixel openings 171, and the same kind of light emitting unit 12 is arranged in each pixel opening 171 corresponding to the first opening 13a.

[0115] In one of the embodiments, the orthographic projection of the auxiliary electrode 16 on the substrate 11 has an overlapping area with the orthographic projection of the first touch part 133 on the substrate 11.

[0116] In this way, the auxiliary electrode 16 can play a shielding role, and reduce the electrical interference of the first touch part 133 on the elements on the substrate 11.

[0117] It should be noted that when the present embodiment is applied to the embodiment in which the first touch part 133 includes a plurality of sub-touch blocks 1331, the auxiliary electrode 16 can also serve as an auxiliary touch electrode, that is, a capacitance can be formed between the auxiliary electrode 16 and the sub-touch block 1331. In this way, whether a touch occurs can be determined by detecting the capacitance between the auxiliary electrode 16 and the sub-touch block 1331.

[0118] In one of the embodiments, referring to Figure 7 and Figure 9As shown, the auxiliary electrode 16 includes a first portion 161 and a second portion 162 connected together, the first portion 161 has an overlapping area with the first conductive part 131 on the substrate 11, and the first portion 161 is connected with the first conductive part 131 through the first via connection structure 172. The second portion 162 has an overlapping area with the first touch part 133 on the substrate 11.

[0119] In this way, on the one hand, the auxiliary electrode 16 can transmit power signals; on the other hand, the auxiliary electrode 16 can shield and reduce the electrical interference of the first touch part 133 on the elements on the substrate 11; on the other hand, in some embodiments, the auxiliary electrode 16 can serve as an auxiliary touch electrode, that is, the auxiliary electrode 16 and the sub-touch block 1331 can form a capacitance, so that whether a touch occurs can be determined by detecting the capacitance between the auxiliary electrode 16 and the sub-touch block 1331.

[0120] In one of the embodiments, referring to Figure 4 As shown, the display panel 10 further includes a chip 18 and a first touch wire 19, the chip 18 is disposed on the substrate 11, one end of the first touch wire 19 is electrically connected with the first touch part 133, and the other end is electrically connected with the chip 18. The first touch wire 19 is disposed in the same layer as the first conductive part 131 and is electrically insulated.

[0121] In this way, the first conductive part 131 and the first touch wire 19 can be manufactured simultaneously in the same process, that is, the first touch wire 19 can be manufactured synchronously while the isolation structure 13 is manufactured, thereby reducing the mask and reducing the manufacturing cost.

[0122] It can be understood that the display panel 10 has a display area 10a and a non-display area 10b, the chip 18 is disposed in the display area 10a, and the display area 10a and the non-display area 10b are both provided with the first touch wire 19. The first touch wire 19 and the chip 18 can be electrically connected through the second via connection structure.

[0123] It should be noted that in the embodiment in which the touch module only includes the first touch part 133, each sub-touch block 1331 corresponds to a first touch wire 19. In the embodiment in which the touch module includes the first touch part 133 and the second touch part 14, each first sub-electrode corresponds to a first touch wire 19, and each second sub-electrode corresponds to a second touch wire.

[0124] In one of the embodiments, referring to Figure 2As shown, the isolation structure 13 includes a first blocking portion 132, which is disposed on the side of the first conductive portion 131 away from the substrate 11. The orthographic projection of the first blocking portion 132 on the substrate 11 is located outside the outer contour of the orthographic projection of the first conductive portion 131 on the substrate 11.

[0125] In this way, the first conductive part 131 and the first blocking part 132 can together form the first isolation wall. On the one hand, the first isolation wall can form an undercut structure with a larger top and a smaller bottom, which improves the isolation performance of the first isolation wall and thus improves the isolation performance of the isolation structure 13. On the other hand, by placing the first conductive part 131 below the first blocking part 132, it is convenient to make the first conductive part 131 electrically connected to other film layers.

[0126] In one embodiment, the first blocking portion 132 is configured as an insulating film layer. In this way, the first blocking portion 132 can play an insulating role, thereby preventing the first conductive portion 131 from making electrical contact with the film layer above the isolation structure 13 and causing a short circuit.

[0127] In one embodiment, the isolation structure 13 further includes a second blocking portion 134, which is disposed on the side of the first touch portion 133 away from the substrate 11. The second blocking portion 134 is disposed on the same layer as the first blocking portion 132.

[0128] By providing the second blocking part 134, the first touch part 133 can be prevented from contacting other film layers, thus avoiding a short circuit. Furthermore, since the second blocking part 134 is on the same layer as the first blocking part 132, the manufacturing process of the display panel 10 will not be increased or made more difficult.

[0129] In one embodiment, the orthographic projection of the second blocking portion 134 on the substrate 11 is located outside the outer contour of the orthographic projection of the first touch portion 133 on the substrate 11.

[0130] In this way, the first touch portion 133 and the second blocking portion 134 can together form a second isolation wall. On the one hand, this allows the second isolation wall to form an undercut structure that is larger at the top and smaller at the bottom, thus improving the isolation performance of the second isolation wall; on the other hand, referring to... Figure 3 As shown, not only is a first isolation wall provided between the first sub-pixel 12a and the second sub-pixel 12b, but also the second isolation wall mentioned above is provided. In this way, multiple layers of isolation are provided between the first sub-pixel 12a and the second sub-pixel 12b, which can further improve the cross-pixel leakage problem between the first sub-pixel 12a and the second sub-pixel 12b.

[0131] It can also be understood that the first touch part 133 and the second blocking part 134 can also be arranged between the first sub-pixel 12a and the third sub-pixel 12c, so that the second isolation wall is also arranged between the first sub-pixel 12a and the third sub-pixel 12c. The embodiments of the present application do not limit this.

[0132] In a second aspect, the embodiments of the present application provide a display device 1, which comprises the display panel 10 in any of the embodiments of the first aspect.

[0133] Specifically, the display device 1 can be a notebook computer, a mobile phone, a wireless device, a personal data assistant (PDA), a handheld or portable computer, a GPS receiver / navigator, a camera, an MP4 video player, a video camera, a game console, a watch, a clock, a calculator, a television monitor, a flat panel display, a computer monitor, an automobile display (for example, an odometer display, etc.), a navigator, a cockpit controller and / or display, a display of a camera view (for example, a display of a rearview camera in a vehicle), an electronic photo, an electronic billboard or sign, a projector, a wearable device, etc.

[0134] The display device 1 provided by the embodiments of the present application, by arranging the first touch part 133 and the first conductive part 131 in the same layer, which is equivalent to arranging the first touch part 133 on the isolation structure 13. When the first conductive part 131 of the isolation structure 13 is manufactured, the first touch part 133 can be manufactured synchronously, so compared with the display panel 10 using the On-Cell technology, on the one hand, the number of film layers of the touch module is reduced, so that the mask is reduced and the manufacturing cost is reduced; on the other hand, the thickness of the display panel 10 is reduced, which is beneficial to the thinning of the display panel 10.

[0135] In the case of using "comprising", "having", and "including" in the description herein, another component can be added unless a specific limiting term such as "only", "consisting of", etc. is used. Unless otherwise mentioned, the singular form of the term can include the plural form and cannot be understood as one in number.

[0136] The technical features of the above-described embodiments can be combined arbitrarily, and in order to make the description simple, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered as the scope of the present application.

[0137] The above embodiments only express several implementation ways of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation to the patent scope of the application. It should be pointed out that for ordinary skilled persons in the art, several modifications and improvements can be made without departing from the concept of the present application, which all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A display panel, characterized in that, include: substrate; A light-emitting unit is disposed on one side of the substrate, and the light-emitting unit includes a first electrode, a light-emitting functional layer, and a second electrode stacked along a direction away from the substrate; An isolation structure is disposed on one side of the substrate, and adjacent light-emitting units are spaced apart by the isolation structure; The isolation structure includes a first touch portion and a first conductive portion, which are disposed on the same layer and electrically insulated from each other; the second electrode is electrically connected to the first conductive portion. The isolation structure further includes a first blocking portion, which is disposed on the side of the first conductive portion away from the substrate; the orthographic projection of the first blocking portion on the substrate is located outside the outer contour of the orthographic projection of the first conductive portion on the substrate.

2. The display panel according to claim 1, characterized in that, The number of first conductive parts is multiple, and an isolation gap is formed between adjacent first conductive parts. The first touch part is disposed in the isolation gap. Each first conductive part defines a first opening, and the light-emitting unit is disposed in the first opening.

3. The display panel according to claim 2, characterized in that, The orthographic projection of the first conductive part onto the substrate is a closed ring.

4. The display panel according to claim 2, characterized in that, The first touch unit includes a plurality of sub-touch blocks; adjacent sub-touch blocks are disposed at intervals on the same side of the substrate.

5. The display panel according to claim 4, characterized in that, Each of the sub-touch blocks is at least partially surrounding the outer periphery of a first conductive portion.

6. The display panel according to claim 5, characterized in that, The sub-touch block's orthographic projection on the substrate is in the form of a grid.

7. The display panel according to claim 4, characterized in that, The plurality of sub-touch blocks are arranged in a row along a first direction and in a column along a second direction intersecting the first direction.

8. The display panel according to claim 2, characterized in that, The display panel also includes: The first functional layer is disposed on the side of the isolation structure away from the substrate; The second touch unit is disposed on the side of the first functional layer away from the substrate; In this configuration, one of the first touch unit and the second touch unit is configured as a transmitting electrode, and the other is configured as a receiving electrode.

9. The display panel according to claim 8, characterized in that, The first touch unit includes a plurality of first sub-electrodes arranged at intervals along a first direction, and the second touch unit includes a plurality of second sub-electrodes arranged at intervals along a second direction; the first direction intersects the second direction.

10. The display panel according to claim 9, characterized in that, The orthographic projection of each of the first sub-electrodes onto the substrate is in the form of a grid.

11. The display panel according to claim 8, characterized in that, The first functional layer is configured as an encapsulation layer.

12. The display panel according to claim 1, characterized in that, The display panel also includes: The second functional layer is disposed on the side of the isolation structure close to the substrate; An auxiliary electrode is disposed on the side of the second functional layer near the substrate; the first conductive portion is electrically connected to the auxiliary electrode.

13. The display panel according to claim 12, characterized in that, The orthographic projection of the auxiliary electrode on the substrate overlaps with the orthographic projection of the first conductive part on the substrate; the display panel further includes a first via connection structure, through which the first conductive part and the auxiliary electrode are electrically connected.

14. The display panel according to claim 13, characterized in that, The orthographic projection of the first conductive part on the substrate covers the orthographic projection of the first via connection structure on the substrate.

15. The display panel according to claim 12, characterized in that, The second functional layer is configured as a pixel limiting layer, which encloses a pixel opening, and the light-emitting unit is disposed within the pixel opening.

16. The display panel according to claim 14, characterized in that, The orthographic projection of the auxiliary electrode on the substrate overlaps with the orthographic projection of the first touch unit on the substrate.

17. The display panel according to claim 16, characterized in that, The auxiliary electrode includes a first part and a second part connected to each other. The orthographic projection of the first part on the substrate and the orthographic projection of the first conductive part on the substrate have an overlapping area. The first part and the first conductive part are connected through the first via connection structure. The orthographic projection of the second part on the substrate overlaps with the orthographic projection of the first touch part on the substrate.

18. The display panel according to claim 1, characterized in that, The display panel also includes: A chip is disposed on one side of the substrate; The first touch trace has one end electrically connected to the first touch unit and the other end electrically connected to the chip; the first touch trace is disposed on the same layer as the first conductive unit and is electrically insulated from it.

19. The display panel according to claim 1, characterized in that, The first blocking portion is constructed as an insulating film layer.

20. The display panel according to claim 1, characterized in that, The isolation structure further includes a second blocking portion, which is disposed on the side of the first touch portion away from the substrate; the second blocking portion is disposed on the same layer as the first blocking portion.

21. The display panel according to claim 20, characterized in that, The orthographic projection of the second blocking part on the substrate is located outside the outer contour of the orthographic projection of the first touch part on the substrate.

22. A display device, characterized in that, Includes the display panel as described in any one of claims 1-21.

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