Display panel and display device
By setting a first conductive layer and an electrode layer in the display panel and optimizing the electrode layer structure using isolation pillars and support pillars, the problem of poor integration when combining OLED with touch technology is solved, realizing the integration of the display layer and the touch layer and reducing the bezel width.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- YUNGU GUAN TECH CO LTD
- Filing Date
- 2025-01-23
- Publication Date
- 2026-07-24
AI Technical Summary
The combination of OLED and touch technology suffers from poor integration, resulting in an increase in the bezel width of the display panel.
By setting a first conductive layer on one side of the substrate and setting a first electrode layer on the side of the pixel definition layer away from the substrate, including multiple touch electrode leads, and electrically connecting them to the first conductive layer, the display layer and the touch layer are integrated into one unit. The structure of the electrode layer is optimized by multiple isolation pillars and support pillars to reduce the bezel width.
It achieves the integration of the display layer and the touch layer, reduces the bezel width of the display panel, improves integration, and does not increase the width of the screen bezel.
Smart Images

Figure CN122458635A_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of display technology, specifically to a display panel and display device. Background Technology
[0002] With the development of display technology, Organic Light Emitting Diode (OLED) has become one of the most competitive and promising display devices due to its advantages such as self-illumination, fast response speed, high brightness, wide viewing angle, and flexible display capability. The combination of OLED and touch technology has gradually become ubiquitous in people's lives. However, some problems still exist in the integration of OLED and touch technology. Summary of the Invention
[0003] To address the aforementioned issues, embodiments of this application provide a display panel and a display device.
[0004] In a first aspect, embodiments of this application provide a display panel having a display area and a non-display area at least partially surrounding the display area. The non-display area includes a first border area. The display panel includes: a substrate; a first conductive layer located on one side of the substrate, with at least a portion of the first conductive layer located in the first border area; a pixel definition layer located on the side of the first conductive layer away from the substrate, with at least a portion of the pixel definition layer located in the first border area, the pixel definition layer having a plurality of first openings in the first border area, the first openings exposing portions of the first conductive layer; and a first electrode layer located on the side of the pixel definition layer away from the substrate, the first electrode layer including a plurality of touch electrode leads, at least a portion of the touch electrode leads located in the first border area, the touch electrode leads being electrically connected to the first conductive layer through the first openings.
[0005] In conjunction with the first aspect, the display panel further includes: a plurality of first-type isolation pillars located between the pixel definition layer and the first electrode layer, at least a portion of the first-type isolation pillars being located in the first border area, and the orthographic projection of the first-type isolation pillars on the substrate surrounding the orthographic projection of the first opening on the substrate; preferably, the orthographic projection of the surface of the first-type isolation pillars near the substrate on the substrate is located within the orthographic projection of the surface of the first-type isolation pillars away from the substrate on the substrate; preferably, the cross-sectional shape of the first-type isolation pillars in the direction perpendicular to the substrate includes an inverted trapezoid; preferably, the display panel further includes support pillars located between the pixel definition layer and the first electrode layer and in contact with the first-type isolation pillars, the orthographic projection of the support pillars on the substrate at least a portion surrounding the orthographic projection of the first opening on the substrate, and the orthographic projection of the first-type isolation pillars on the substrate surrounding the orthographic projection of the support pillars on the substrate; preferably, the orthographic projection of the surface of the support pillars near the first opening on the substrate is located within the orthographic projection of the surface of the support pillars near the substrate on the substrate.
[0006] In conjunction with the first aspect, the first conductive layer includes multiple first touch traces located in the first bezel area; preferably, the first touch traces are electrically connected to touch electrode leads through a first opening; preferably, the first conductive layer includes indium tin oxide, silver, and indium tin oxide stacked sequentially; preferably, the display panel further includes a second conductive layer located on the side of the first conductive layer near the substrate and at least partially located in the first bezel area, the second conductive layer including first electrode traces connected to the cathode power supply voltage signal, the orthographic projections of the first touch traces on the substrate and the orthographic projections of the first electrode traces on the substrate being staggered; preferably, the orthographic projections of the first touch traces on the substrate are located on the side of the orthographic projections of the first electrode traces on the substrate near the display area; preferably, the second conductive layer includes titanium aluminum titanium stacked sequentially; preferably, the display panel further includes a first insulating layer, the first insulating layer... The layer is located between the first conductive layer and the second conductive layer; preferably, the display panel further includes a dam, which is located in the non-display area and at least partially surrounds the display area, and the orthographic projection of the first electrode trace on the substrate is located on the side of the orthographic projection of the dam on the substrate closer to the display area, or, in the direction from the display area to the first border area, the edge of the orthographic projection of the first electrode trace on the substrate is located within the orthographic projection of the dam on the substrate; preferably, the display panel further includes a gate driving circuit, located on the side of the first conductive layer close to the substrate and in the non-display area, and the orthographic projection of the gate driving circuit on the substrate is located on the side of the orthographic projection of the dam on the substrate closer to the display area; preferably, the orthographic projection of the gate driving circuit on the substrate and the orthographic projection of the first touch trace on the substrate at least partially overlap; preferably, the orthographic projection of the gate driving circuit on the substrate and the orthographic projection of the first electrode trace on the substrate are misaligned.
[0007] In conjunction with the first aspect, the non-display area includes a second border area and a bonding area, the bonding area being located on the side of the second border area away from the display area; the first touch trace extends toward the second border area; preferably, the display panel further includes a third conductive layer and a second insulating layer stacked sequentially along the direction away from the substrate, the second insulating layer being located on the side of the first conductive layer closer to the substrate; at least a portion of the third conductive layer and the second insulating layer are located in the second border area, in which the second insulating layer is provided with a second opening, the first touch trace being connected to the third conductive layer through the second opening; preferably, the third conductive layer includes titanium-aluminum-titanium or molybdenum stacked sequentially; preferably, the third conductive layer and the second conductive layer are the same conductive layer, and / or, the second insulating layer and the first insulating layer are the same insulating layer.
[0008] In conjunction with the first aspect, the number of first touch traces gradually decreases in the direction from the second border area to the display area; preferably, the width of the first touch traces gradually increases in the direction from the second border area to the display area; and / or, the spacing between adjacent first touch traces gradually increases in the direction from the second border area to the display area.
[0009] In conjunction with the first aspect, the display panel further includes a second conductive layer, which is located on the side of the first conductive layer near the substrate and at least partially located in the first bezel area. The second conductive layer includes multiple second touch traces located in the first bezel area. Preferably, the display panel further includes a first insulating layer, which is located between the first conductive layer and the second conductive layer. The first insulating layer has multiple third openings. The first conductive layer includes multiple first conductive blocks, which are electrically connected to touch electrode leads through the first openings. The second touch traces are electrically connected to the first conductive blocks through the third openings. Preferably, the first conductive layer includes indium tin oxide, silver, and indium tin oxide stacked sequentially, and / or... Alternatively, the second conductive layer comprises sequentially stacked titanium-aluminum-titanium alloys; preferably, the non-display area includes a second border area and a bonding area, the bonding area being located on the side of the second border area away from the display area; the second touch trace extends toward the second border area; preferably, the second conductive layer further includes a first electrode trace connected to the cathode power supply voltage signal, the orthographic projection of the first electrode trace on the substrate and the orthographic projection of the second touch trace on the substrate being misaligned; preferably, the orthographic projection of the first electrode trace on the substrate is located on the side of the orthographic projection of the second touch trace on the substrate closer to the display area, or, the orthographic projection of the first electrode trace on the substrate is located on the side of the orthographic projection of the second touch trace on the substrate away from the display area.
[0010] In conjunction with the first aspect, the display panel further includes a fourth conductive layer and a second conductive layer stacked sequentially along a direction away from the substrate. The fourth and second conductive layers are located on the side of the first conductive layer closer to the substrate, and at least a portion of the fourth and second conductive layers are located in the first frame area. The fourth conductive layer includes multiple third touch traces located in the first frame area. Preferably, the display panel further includes a first insulating layer and a third insulating layer. The first insulating layer is located between the first and second conductive layers, and the third insulating layer is located between the second and fourth conductive layers. The first insulating layer has multiple third openings, and the third insulating layer has multiple fourth openings. The first conductive layer includes multiple first conductive blocks, which are electrically connected to touch electrode leads through first openings. The second conductive layer includes multiple second conductive blocks. The electrode block is electrically connected to the first conductive block through a third opening, and the third touch trace is electrically connected to the second conductive block through a fourth opening; preferably, the orthographic projection of the second conductive block on the substrate at least partially overlaps with the orthographic projection of the first conductive block on the substrate; preferably, the first conductive layer includes indium tin oxide, silver, and indium tin oxide stacked sequentially; and / or, the second conductive layer includes titanium aluminum titanium stacked sequentially; and / or, the third conductive layer includes titanium aluminum titanium stacked sequentially; preferably, the non-display area includes a second border area and a bonding area, the bonding area being located on the side of the second border area away from the display area; the third touch trace extends toward the second border area; preferably, the second conductive layer also includes a first electrode trace connected to the cathode power supply voltage signal, the orthographic projection of the first electrode trace on the substrate being offset from the orthographic projection of the second conductive block on the substrate.
[0011] In conjunction with the first aspect, the display panel further includes a dam located in the non-display area and at least partially surrounding the display area. In the direction from the display area to the first border area, the edge of the first electrode trace does not extend beyond the edge of the dam away from the display area. Preferably, in the direction from the display area to the first border area, the edge of the second touch trace does not extend beyond the edge of the dam away from the display area. And / or, in the direction from the display area to the first border area, the edge of the third touch trace does not extend beyond the edge of the dam away from the display area. Preferably, the display panel further includes a gate driving circuit located on the side of the first conductive layer near the substrate and in the non-display area. The orthographic projection of the gate driving circuit on the substrate is located on the side of the orthographic projection of the dam on the substrate near the display area. Preferably, the orthographic projection of the gate driving circuit on the substrate is misaligned with the orthographic projection of the first electrode trace on the substrate. And / or, the orthographic projection of the gate driving circuit on the substrate is misaligned with the orthographic projection of the second touch trace on the substrate. And / or, the orthographic projection of the gate driving circuit on the substrate is misaligned with the orthographic projection of the third touch trace on the substrate.
[0012] In conjunction with the first aspect, the pixel definition layer encloses multiple pixel openings in the display area, and the display panel also includes a second type of isolation pillar located in the display area. The orthographic projection of the second type of isolation pillar on the substrate is offset from the orthographic projection of the pixel opening on the substrate. Preferably, the orthographic projection of the surface of the second type of isolation pillar near the substrate on the substrate is located within the orthographic projection of the surface of the second type of isolation pillar away from the substrate on the substrate. Preferably, the cross-sectional shape of the second type of isolation pillar in the direction perpendicular to the substrate includes an inverted trapezoid. Preferably, the first electrode layer in the display area includes multiple first electrodes and multiple touch electrodes, the orthographic projection of the first electrodes on the substrate covers the orthographic projection of the pixel opening on the substrate, and the touch electrodes are located behind the second type of isolation pillar. The touch electrode is electrically connected to the touch electrode lead wire on the surface away from the substrate; preferably, the first conductive layer includes a plurality of second electrodes located in the display area, and the second electrodes are exposed by the pixel opening; the display panel also includes a plurality of light-emitting devices, each light-emitting device including a first electrode, a light-emitting functional layer and a second electrode, the second electrode, the light-emitting functional layer and the first electrode being stacked sequentially along the direction away from the substrate; preferably, the display panel also includes a first encapsulation layer, a second encapsulation layer and a third encapsulation layer stacked along one side away from the substrate, the first encapsulation layer being located on the side of the first electrode layer away from the substrate; preferably, the materials of the first encapsulation layer and the third encapsulation layer include inorganic materials, and the material of the second encapsulation layer includes organic materials.
[0013] This application also provides a display device, including any of the display panels mentioned above.
[0014] The display panel and display device provided in this application integrate the display layer and the touch layer by forming a first conductive layer on one side of a substrate and a first electrode layer on the side of a pixel definition layer facing away from the substrate. The first electrode layer includes multiple touch electrode leads, which are electrically connected to the first conductive layer to transmit touch signals through the first conductive layer to the touch electrode leads. The first conductive layer includes an anode layer in the display panel, and the touch electrode leads are electrically connected to the first conductive layer, thus achieving integration of the display layer and the touch layer. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of a display panel provided in one embodiment of this application.
[0016] Figure 2 This is a schematic diagram of the specific structure of the first border area display panel provided in an embodiment of this application.
[0017] Figure 3 This is a top view of a first type of isolation column, support column and first opening provided in an embodiment of this application.
[0018] Figure 4 This is a schematic diagram of the structure of a partial display panel provided in one embodiment of this application.
[0019] Figure 5 This is a schematic diagram of the specific structure of the second border area display panel provided in one embodiment of this application.
[0020] Figure 6 This is a top view of a display panel provided in one embodiment of this application.
[0021] Figure 7 This is a schematic diagram of the structure of the first touch trace provided in an embodiment of this application.
[0022] Figure 8 This is a schematic diagram of the specific structure of the first border area display panel provided in another embodiment of this application.
[0023] Figure 9 This is a schematic diagram of the structure of a partial display panel provided in another embodiment of this application.
[0024] Figure 10 This is a schematic diagram of the specific structure of the first border area display panel provided in another embodiment of this application.
[0025] Figure 11 This is a schematic diagram of the structure of a partial display panel provided in another embodiment of this application.
[0026] Figure 12 This is a top view of the fourth conductive layer provided in another embodiment of this application.
[0027] Figure 13 This is a top view of the second conductive layer provided in another embodiment of this application.
[0028] Figure 14 This is a top view of a display panel provided in another embodiment of this application.
[0029] Figure 15 This is a schematic diagram of the structure of a display device provided in another embodiment of this application.
[0030] Explanation of reference numerals in the attached figures:
[0031] 100 Display panel; AA Display area; NA Non-display area; B First bezel area; C Second bezel area; D Bonding area; 110 Substrate; 120 First conductive layer; 121 First touch trace; 122 First conductive block; 130 Pixel definition layer; 131 First opening; 132 Pixel opening; 140 First electrode layer; 141 Touch electrode lead; 142 First electrode; 143 Touch electrode; 151 First type of isolation pillar; 152 Support pillar; 153 Dam; 154 Second type of isolation pillar; 160 Second conductive layer; 1 61 First electrode trace; 162 Gate drive circuit; 163 Second touch trace; 164 Second conductive block; 165 Second electrode; 170 First insulating layer; 171 Third opening; 180 Third conductive layer; 190 Second insulating layer; 191 Second opening; 210 Fourth conductive layer; 211 Third touch trace; 220 Third insulating layer; 221 Fourth opening; 230 Light-emitting device; 231 Light-emitting functional layer; 241 First encapsulation layer; 242 Second encapsulation layer; 243 Third encapsulation layer; 1100 Display device. Detailed Implementation
[0032] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0033] In this field, the touch layer is usually placed on the light-emitting side of the encapsulation layer, resulting in poor integration.
[0034] Figure 1 This is a schematic diagram of the structure of a display panel provided in one embodiment of this application. Figure 1As shown, the display panel 100 has a display area AA and a non-display area NA that at least partially surrounds the display area AA. The non-display area NA includes a first border area B. The display panel 100 includes a substrate 110, a first conductive layer 120, a pixel definition layer 130, and a first electrode layer 140. The first conductive layer 120 is located on one side of the substrate 110, and at least a portion of the first conductive layer 120 is located in the first border area B. The pixel definition layer 130 is located on the side of the first conductive layer 120 facing away from the substrate 110, and at least a portion of the pixel definition layer 130 is located in the first border area B. The pixel definition layer 130 has a plurality of first openings 131 in the first border area B, and the first openings 131 expose portions of the first conductive layer 120. The first electrode layer 140 is located on the side of the pixel definition layer 130 away from the substrate 110. The first electrode layer 140 includes a plurality of touch electrode leads 141. At least a portion of the touch electrode leads 141 is located in the first border area B. The touch electrode leads 141 are electrically connected to the first conductive layer 120 through the first opening 131.
[0035] Specifically, the first frame area B includes the side frame area of the display panel 100, and the first conductive layer 120 includes the anode layer in the display panel 100.
[0036] In this embodiment, a first conductive layer 120 is provided on one side of the substrate 110, and a first electrode layer 140 is provided on the side of the pixel definition layer 130 away from the substrate 110. The first electrode layer 140 includes multiple touch electrode leads 141, which are electrically connected to the first conductive layer 120 to transmit touch signals to the touch electrode leads 141 through the first conductive layer 120, thereby realizing the integration of the display layer and the touch layer.
[0037] In some embodiments, the display panel 100 further includes a plurality of first-type isolation pillars 151. Figure 2 This is a schematic diagram illustrating the specific structure of a first border area display panel provided in an embodiment of this application. For example... Figure 2 As shown, a plurality of first-type isolation pillars 151 are located between the pixel definition layer 130 and the first electrode layer 140. At least a portion of the first-type isolation pillars 151 is located in the first border region B. The orthographic projection of the first-type isolation pillars 151 on the substrate 110 surrounds the orthographic projection of the first opening 131 on the substrate 110. It is worth noting that... Figure 2 It also includes a display area AA, which is located on one side of the first border area B.
[0038] Figure 3 This is a top view of a first type of isolation column, support column, and first opening provided in an embodiment of this application. (See attached image.) Figure 3As shown, the orthographic projection of the surface of the first type of isolation pillar 151 near the substrate 110 onto the substrate 110 lies within the orthographic projection of the surface of the first type of isolation pillar 151 away from the substrate 110 onto the substrate 110. Optionally, the cross-sectional shape of the first type of isolation pillar 151 in the direction perpendicular to the substrate 110 includes an inverted trapezoid.
[0039] Understandably, the orthographic projection of the surface of the first type of isolation pillar 151 near the substrate 110 on the substrate 110 is smaller than the orthographic projection of the surface of the first type of isolation pillar 151 away from the substrate 110 on the substrate 110. During the deposition of the first electrode layer 140, by providing the inverted trapezoidal first type of isolation pillar 151, the first electrode layer 140 can be disconnected by the first type of isolation pillar 151. A portion of the first electrode layer 140 is deposited onto the surface of the first type of isolation pillar 151 facing away from the substrate 10, forming a touch electrode for transmitting touch signals; a portion of the first electrode layer 140 is deposited into the area between adjacent first type of isolation pillars 151 and covers the pixel opening 132, forming the cathode of the light-emitting device for transmitting voltage signals.
[0040] Optionally, the display panel 100 further includes a support pillar 152 located between the pixel definition layer 130 and the first electrode layer 140, and in contact with the first type of isolation pillar 151. The orthographic projection of the support pillar 152 on the substrate 110 at least partially surrounds the orthographic projection of the first opening 131 on the substrate 110, and the orthographic projection of the first type of isolation pillar 151 on the substrate 110 surrounds the orthographic projection of the support pillar 152 on the substrate 110. Specifically, the orthographic projection of the support pillar 152 on the substrate 110 completely surrounds the orthographic projection of the first opening 131 on the substrate 110, or the orthographic projection of the support pillar 152 on the substrate 110 surrounds a portion of the orthographic projection of the first opening 131 on the substrate 110. It is worth noting that... Figure 2 The diagram shows the case where the orthographic projection of the support column 152 on the substrate 110 completely surrounds the orthographic projection of the first opening 131 on the substrate 110. Figure 3 The diagram shows the case where the orthographic projection of the support column 152 on the substrate 110 completely surrounds the orthographic projection of the first opening 131 on the substrate 110.
[0041] Optionally, the orthographic projection of the surface of the support post 152 near the first opening 131 on the substrate 110 is located within the orthographic projection of the surface of the support post 152 near the substrate 110 on the substrate 110.
[0042] Understandably, the surface of the support pillar 152 near the first opening 131 has a larger orthographic projection on the substrate 110 than the surface of the support pillar 152 near the substrate 110. In the first frame region B, during the deposition of the first electrode layer 140, by providing the support pillar 152 that abuts against the first type of isolation pillar 151, the first electrode layer 140 located away from the substrate 110 surface in the structure formed by the first type of isolation pillar 151 and the support pillar 152 is connected to the first electrode layer 140 deposited between adjacent first type of isolation pillars 151 and covering the first opening 131. This allows the first electrode layer 140 to be electrically connected to the first conductive layer 120 at the first opening 131, thereby connecting the touch electrode lead 141 to the first conductive layer 120. Touch signals are then transmitted to the touch electrode lead 141 through the first conductive layer 120, achieving integration of the display layer and the touch layer.
[0043] Figure 4 This is a schematic diagram of the structure of a partial display panel provided in one embodiment of this application. For example... Figure 4 As shown, the first conductive layer 120 includes multiple first touch traces 121, which are located in the first border area B.
[0044] Optionally, the first touch trace 121 is electrically connected to the touch electrode lead 141 through the first opening 131. The first conductive layer 120 comprises indium tin oxide, silver, and indium tin oxide stacked sequentially.
[0045] Specifically, the display panel 100 also includes a second conductive layer 160, which is located on the side of the first conductive layer 120 near the substrate 110 and is at least partially located in the first frame area B. The second conductive layer 160 includes a first electrode trace 161 that connects to the cathode power supply voltage signal. The orthographic projection of the first touch trace 121 on the substrate 110 and the orthographic projection of the first electrode trace 161 on the substrate 110 are misaligned.
[0046] Optionally, the orthographic projection of the first touch trace 121 on the substrate 110 is located on the side of the orthographic projection of the first electrode trace 161 on the substrate 110 that is closer to the display area AA.
[0047] The second conductive layer 160 comprises titanium aluminum titanium stacked sequentially.
[0048] It is worth noting that the display panel 100 also includes a first insulating layer 170, which is located between the first conductive layer 120 and the second conductive layer 160 to prevent the first conductive layer 120 from being electrically connected to the second conductive layer 160 and short-circuiting.
[0049] Specifically, the display panel 100 also includes a dam 153, which is located in the non-display area NA and at least partially surrounds the display area AA to prevent moisture and oxygen from entering the display area AA. The orthographic projection of the first electrode trace 161 on the substrate 110 is located on the side of the orthographic projection of the dam 153 on the substrate 110 closer to the display area AA, or, in the direction from the display area AA to the first border area B, the edge of the orthographic projection of the first electrode trace 161 on the substrate 110 is located within the orthographic projection of the dam 153 on the substrate 110 to improve packaging reliability. This application does not limit the specific location of the first electrode trace 161. Figure 4 The image only shows the case where the edge of the first electrode trace 161 does not extend beyond the edge of the dam 153 on the side away from the display area AA.
[0050] Optionally, the display panel 100 further includes a gate driving circuit 162 located on the side of the first conductive layer 120 near the substrate 110 and in the non-display area NA. The orthographic projection of the gate driving circuit 162 on the substrate 110 is located on the side of the orthographic projection of the dam 153 on the substrate 110 near the display area AA. Optionally, the orthographic projection of the gate driving circuit 162 on the substrate 110 at least partially overlaps with the orthographic projection of the first touch trace 121 on the substrate 110. Optionally, the orthographic projection of the gate driving circuit 162 on the substrate 110 is misaligned with the orthographic projection of the first electrode trace 161 on the substrate 110.
[0051] In this embodiment, multiple first touch traces 121 are provided in the first conductive layer 120. The first touch traces 121 are electrically connected to the touch electrode leads 141 through the first opening 131, thereby transmitting touch signals to the touch electrode leads 141 through the first touch traces 121, achieving integration of the display layer and the touch layer. Furthermore, the first touch traces 121 are located in the first conductive layer 120, which includes the anode layer in the display panel 100. Therefore, this application utilizes the first conductive layer 120 to transmit touch signals without increasing the width of the screen bezel.
[0052] Figure 5 This is a schematic diagram of the specific structure of the second border area display panel provided in one embodiment of this application. Figure 6 This is a top view of a display panel provided in one embodiment of this application. Figure 5 and Figure 6 As shown, the non-display area NA includes a second border area C and a bonding area D, with the bonding area D located on the side of the second border area C away from the display area AA; the first touch trace 121 extends towards the second border area C. The second border area C is the lower border area of the display panel 100.
[0053] Optionally, the display panel 100 further includes a third conductive layer 180 and a second insulating layer 190 sequentially stacked along a direction away from the substrate 110. The second insulating layer 190 is located on the side of the first conductive layer 120 near the substrate 110. At least a portion of the third conductive layer 180 and the second insulating layer 190 are located in the second frame area C. In the second frame area C, the second insulating layer 190 is provided with a second opening 191, and the first touch trace 121 is connected to the third conductive layer 180 through the second opening 191.
[0054] The third conductive layer 180 comprises titanium aluminum titanium or molybdenum stacked sequentially.
[0055] Specifically, the first touch trace 121 is connected to the bonding area D of the display panel 100 through the third conductive layer 180 in the second bezel area C, i.e., the lower bezel area.
[0056] Optionally, the third conductive layer 180 and the second conductive layer 160 are the same conductive layer, and / or the second insulating layer 190 and the first insulating layer 170 are the same insulating layer.
[0057] In some embodiments, the number of first touch traces 121 gradually decreases in the direction from the second border area C to the display area AA.
[0058] Specifically, Figure 7 This is a schematic diagram of the structure of a first touch trace provided in an embodiment of this application. Optionally, in the direction from the second border area C to the display area AA, the width of the first touch trace 121 gradually increases; and / or, in the direction from the second border area C to the display area AA, the spacing between adjacent first touch traces 121 gradually increases. It can be understood that the greater the distance from the second border area C, the longer the length of the first touch trace 121, the greater the resistance of the first touch trace 121, and the greater the capacitance between two adjacent first touch traces 121, thus reducing the touch signal transmission efficiency. Therefore, increasing the first touch trace 121 to reduce its resistance, or increasing the spacing between adjacent first touch traces 121 to reduce the capacitance between adjacent first touch traces 121, can effectively improve the touch signal transmission efficiency.
[0059] It is worth noting that Figure 7 The endpoints of the first touch trace 121 correspond to multiple touch areas distributed in the same row within the touch layer. Specifically, the touch layer includes multiple touch areas arranged in an array. This is understandable. Figure 7 The diagram shows the endpoints of three first touch lines 121, which correspond to three rows of touch areas respectively.
[0060] Figure 8 This is a schematic diagram of the specific structure of the first border area display panel provided in another embodiment of this application. Figure 9 This is a schematic diagram of the structure of a partial display panel provided in another embodiment of this application.
[0061] like Figure 8 and Figure 9 As shown, the display panel 100 also includes a second conductive layer 160, which is located on the side of the first conductive layer 120 near the substrate 110 and is at least partially located in the first border area B. The second conductive layer 160 includes a plurality of second touch traces 163, which are located in the first border area B.
[0062] Optionally, the display panel 100 further includes a first insulating layer 170, located between the first conductive layer 120 and the second conductive layer 160. The first insulating layer 170 has a plurality of third openings 171. The first conductive layer 120 includes a plurality of first conductive blocks 122. The first conductive blocks 122 are electrically connected to the touch electrode leads 141 through the first openings 131. The second touch traces 163 are electrically connected to the first conductive blocks 122 through the third openings 171. Specifically, each second touch trace 163 corresponds to one first conductive block 122 to prevent crosstalk between multiple touch signals.
[0063] Specifically, the first conductive layer 120 includes indium tin oxide, silver, indium tin oxide stacked sequentially, and / or the second conductive layer 160 includes titanium aluminum titanium stacked sequentially.
[0064] Optionally, the non-display area NA includes a second border area C and a binding area D, with the binding area D located on the side of the second border area C away from the display area AA; the second touch trace 163 extends toward the second border area C.
[0065] Optionally, the second conductive layer 160 further includes a first electrode trace 161 connected to the cathode power supply voltage signal, wherein the orthographic projection of the first electrode trace 161 on the substrate 110 is offset from the orthographic projection of the second touch trace 163 on the substrate 110.
[0066] Optionally, the orthographic projection of the first electrode trace 161 on the substrate 110 is located on the side of the orthographic projection of the second touch trace 163 on the substrate 110 closer to the display area AA; or, the orthographic projection of the first electrode trace 161 on the substrate 110 is located on the side of the orthographic projection of the second touch trace 163 on the substrate 110 farther from the display area AA. This application does not limit the specific positions of the first electrode trace 161 and the second touch trace 163. Figure 9 Only the case where the orthographic projection of the first electrode trace 161 on the substrate 110 is shown is located on the side of the orthographic projection of the second touch trace 163 on the substrate 110 that is closer to the display area AA.
[0067] In this embodiment, multiple second touch traces 163 are provided in the second conductive layer 160. The second touch traces 163 are electrically connected to the first conductive block 122 through the third opening 171, and the first conductive block 122 is electrically connected to the touch electrode lead-out line 141 through the first opening 131. This enables the second touch traces 163 to transmit touch signals to the touch electrode lead-out line 141 through the first conductive block 122, thereby achieving the integration of the display layer and the touch layer. Furthermore, by compressing the space occupied by the first electrode trace 161, the second touch traces 163 are placed in the second conductive layer 160. Therefore, this embodiment does not increase the bezel width.
[0068] Figure 10 This is a schematic diagram of the specific structure of the first border area display panel provided in another embodiment of this application. Figure 11 This is a schematic diagram of the structure of a partial display panel provided in another embodiment of this application.
[0069] like Figure 10 and Figure 11 As shown, the display panel 100 also includes a fourth conductive layer 210 and a second conductive layer 160 stacked sequentially along the direction away from the substrate 110. The fourth conductive layer 210 and the second conductive layer 160 are located on the side of the first conductive layer 120 close to the substrate 110, and at least a portion of the fourth conductive layer 210 and the second conductive layer 160 are located in the first border area B. The fourth conductive layer 210 includes a plurality of third touch lines 211, which are located in the first border area B.
[0070] Optionally, the display panel 100 further includes a first insulating layer 170 and a third insulating layer 220. The first insulating layer 170 is located between the first conductive layer 120 and the second conductive layer 160, and the third insulating layer 220 is located between the second conductive layer 160 and the fourth conductive layer 210. The first insulating layer 170 is provided with a plurality of third openings 171, and the third insulating layer 220 is provided with a plurality of fourth openings 221. The first conductive layer 120 includes a plurality of first conductive blocks 122, which are electrically connected to the touch electrode lead-out line 141 through the first opening 131. The second conductive layer 160 includes a plurality of second conductive blocks 164, which are electrically connected to the first conductive blocks 122 through the third openings 171. The third touch trace 211 is electrically connected to the second conductive blocks 164 through the fourth openings 221. Specifically, each third touch trace 211 corresponds to one first conductive block 122 and one second conductive block 164 to prevent crosstalk between multiple touch signals.
[0071] Figure 12 This is a top view of the fourth conductive layer provided in another embodiment of this application. Figure 13This is a top view of the second conductive layer provided in another embodiment of this application. It can be understood that the orthographic projection of the second conductive block 164 on the substrate 110 at least partially coincides with the orthographic projection of the first conductive block 122 on the substrate 110.
[0072] Specifically, the first conductive layer 120 includes indium tin oxide, silver, and indium tin oxide stacked sequentially; and / or, the second conductive layer 160 includes titanium aluminum titanium stacked sequentially; and / or, the third conductive layer 180 includes titanium aluminum titanium stacked sequentially.
[0073] Optionally, the non-display area NA includes a second border area C and a binding area D, with the binding area D located on the side of the second border area C away from the display area AA; the third touch trace 211 extends toward the second border area C.
[0074] Optionally, the second conductive layer 160 further includes a first electrode trace 161 connected to the cathode power supply voltage signal, wherein the orthographic projection of the first electrode trace 161 on the substrate 110 is offset from the orthographic projection of the second conductive block 164 on the substrate 110.
[0075] In this embodiment, a fourth conductive layer 210 is provided, which includes multiple third touch traces 211. The third touch traces 211 are electrically connected to the second conductive block 164 through a fourth opening 221. The second conductive block 164 is electrically connected to the first conductive block 122 through a third opening 171. The first conductive block 122 is electrically connected to the touch electrode lead-out line 141 through a first opening 131. This enables the third touch traces 211 to transmit touch signals to the touch electrode lead-out line 141 through the second conductive block 164 and the first conductive block 122, thereby achieving the integration of the display layer and the touch layer. This avoids increasing the width of the first bezel area B of the display panel 100, which is beneficial for achieving a narrow bezel of the display panel 100.
[0076] In some embodiments, the display panel 100 further includes a dam 153 located in the non-display area NA and at least partially surrounding the display area AA, wherein the edge of the first electrode trace 161 does not extend beyond the edge of the dam 153 on the side away from the display area AA in the direction from the display area AA to the first border area B.
[0077] Optionally, in the direction from the display area AA to the first border area B, the edge of the second touch trace 163 does not extend beyond the edge of the dam 153 away from the display area AA; and / or, in the direction from the display area AA to the first border area B, the edge of the third touch trace 211 does not extend beyond the edge of the dam 153 away from the display area AA.
[0078] Optionally, the display panel 100 further includes a gate driving circuit 162 located on the side of the first conductive layer 120 near the substrate 110 and in the non-display area NA. The orthographic projection of the gate driving circuit 162 on the substrate 110 is located on the side of the orthographic projection of the dam 153 on the substrate 110 near the display area AA.
[0079] Optionally, the orthographic projection of the gate driving circuit 162 on the substrate 110 is misaligned with the orthographic projection of the first electrode trace 161 on the substrate 110; and / or, the orthographic projection of the gate driving circuit 162 on the substrate 110 is misaligned with the orthographic projection of the second touch trace 163 on the substrate 110; and / or, the orthographic projection of the gate driving circuit 162 on the substrate 110 is misaligned with the orthographic projection of the third touch trace 211 on the substrate 110.
[0080] In some embodiments, the pixel definition layer 130 encloses a plurality of pixel openings 132 in the display area AA, and the display panel 100 further includes a second type of isolation pillar 154 located in the display area AA. The orthographic projection of the second type of isolation pillar 154 on the substrate 110 is offset from the orthographic projection of the pixel openings 132 on the substrate 110.
[0081] It is worth noting that the orthographic projection of the second type of isolation pillar 154 on the substrate 110 surrounds the orthographic projection of the pixel opening 132 on the substrate 110, so that the first electrode layer 140 located on the surface of the second type of isolation pillar 154 away from the substrate 110 is connected to achieve the connection of touch signals.
[0082] Optionally, the orthographic projection of the surface of the second type of isolation pillar 154 near the substrate 110 onto the substrate 110 lies within the orthographic projection of the surface of the second type of isolation pillar 154 away from the substrate 110 onto the substrate 110. Optionally, the cross-sectional shape of the second type of isolation pillar 154 in the direction perpendicular to the substrate 110 includes an inverted trapezoid.
[0083] Optionally, the first electrode layer 140 includes a plurality of first electrodes 142 and a plurality of touch electrodes 143 in the display area AA. The orthographic projection of the first electrodes 142 on the substrate 110 covers the orthographic projection of the pixel opening 132 on the substrate 110. The touch electrodes 143 are located on the surface of the second type of isolation pillar 154 away from the substrate 110, and the touch electrodes 143 are electrically connected to the touch electrode lead 141. It can be understood that the plurality of touch electrodes 143 located on the second type of isolation pillar 154 are electrically connected to achieve touch signal communication.
[0084] Preferably, the first conductive layer 120 includes a plurality of second electrodes 165 located in the display area AA, and the pixel opening 132 exposes a portion of the second electrodes 165; the display panel 100 also includes a plurality of light-emitting devices 230, each light-emitting device 230 including a first electrode 142, a light-emitting functional layer 231, and a second electrode 165, wherein the second electrode 165, the light-emitting functional layer 231, and the first electrode 142 are sequentially stacked along a direction away from the substrate 110. The light-emitting functional layer 231 includes a red light functional layer, a green light functional layer, and a blue light functional layer.
[0085] Optionally, the display panel 100 further includes a first encapsulation layer 241, a second encapsulation layer 242, and a third encapsulation layer 243 stacked along a side away from the substrate 110. Specifically, the first encapsulation layer 241 is located on the side of the first electrode layer 140 facing away from the substrate 110. The materials of the first encapsulation layer 241 and the third encapsulation layer 243 include inorganic materials, while the material of the second encapsulation layer 242 includes organic materials.
[0086] Figure 14 This is a top view of a display panel provided in another embodiment of this application. For example... Figure 14 As shown, the display panel 100 includes a display area AA and a non-display area NA, wherein the non-display area NA includes a first border area B, a second border area C, and a binding area D. It is worth noting that this application does not limit the shape of the display panel 100.
[0087] Figure 15 This is a schematic diagram of the structure of a display device provided in another embodiment of this application. For example... Figure 15 As shown, this application provides a display device 1100, which includes the display panel 100 in the above embodiments.
[0088] Display device 1100 is a product with image display function. For example, display device 1100 can be used to display static images, such as pictures or photographs. Display device 1100 can also be used to display moving images, such as videos.
[0089] Display device 1100 may be a laptop, mobile phone, handheld or portable computer, camera, camcorder, in-vehicle smart central control screen, calculator, smartwatch, GPS navigator, electronic photo, electronic billboard or sign, projector, etc.
[0090] The display device 1100 includes the display panel 100 provided in any of the above embodiments. The display panel 100 may be an organic light-emitting diode display panel 100 or a quantum dot electroluminescent display panel 100.
[0091] In addition, the display device 1100 can also perform functions such as taking photos, recording videos, fingerprint recognition, and facial recognition. Accordingly, the display device 1100 also includes at least one functional module for implementing the above functions, such as an under-display camera or an under-display fingerprint recognition sensor.
[0092] The basic principles of this application have been described above with reference to specific embodiments. However, it should be noted that the advantages, benefits, and effects mentioned in this application are merely examples and not limitations, and should not be considered as essential features of each embodiment of this application. Furthermore, the specific details disclosed above are for illustrative and facilitative purposes only, and are not limitations. These details do not limit the application to the necessity of employing the aforementioned specific details for implementation.
[0093] The block diagrams of devices, apparatuses, devices, and systems involved in this application are merely illustrative examples and are not intended to require or imply that they must be connected, arranged, or configured in the manner shown in the block diagrams. As those skilled in the art will recognize, these devices, apparatuses, devices, and systems can be connected, arranged, and configured in any manner. Words such as “comprising,” “including,” “having,” etc., are open-ended terms meaning “including but not limited to,” and are used interchangeably with them. The terms “or” and “and” as used herein refer to the terms “and / or,” and are used interchangeably with them unless the context clearly indicates otherwise. The term “such as” as used herein refers to the phrase “such as but not limited to,” and is used interchangeably with it.
[0094] It should also be noted that in the apparatus, equipment, and methods of this application, the components or steps can be disassembled and / or recombined. These disassemblies and / or recombinations should be considered as equivalent solutions of this application.
[0095] The above description of the disclosed aspects is provided to enable any person skilled in the art to make or use this application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the general principles defined herein can be applied to other aspects without departing from the scope of this application. Therefore, this application is not intended to be limited to the aspects shown herein, but rather to be accorded the widest scope consistent with the principles and novel features disclosed herein.
[0096] The above description has been given for purposes of illustration and description. Furthermore, this description is not intended to limit the embodiments of this application to the forms disclosed herein. Although numerous exemplary aspects and embodiments have been discussed above, those skilled in the art will recognize certain variations, modifications, alterations, additions, and sub-combinations thereof.
[0097] The specific embodiments described above do not constitute a limitation on the scope of protection of this invention. Those skilled in the art should understand that various modifications, combinations, sub-combinations, and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this invention should be included within the scope of protection of this invention.
Claims
1. A display panel, characterized in that, The display panel includes a display area and a non-display area at least partially surrounding the display area, the non-display area including a first border area. substrate; A first conductive layer is located on one side of the substrate, and at least a portion of the first conductive layer is located in the first border area; A pixel definition layer is located on the side of the first conductive layer away from the substrate. At least a portion of the pixel definition layer is located in the first border area. The pixel definition layer has a plurality of first openings in the first border area, and the first openings expose a portion of the first conductive layer. A first electrode layer is located on the side of the pixel definition layer opposite to the substrate. The first electrode layer includes multiple touch electrode leads. At least a portion of the touch electrode leads are located in the first border area. The touch electrode leads are electrically connected to the first conductive layer through the first opening.
2. The display panel according to claim 1, characterized in that, Also includes: A plurality of first-type isolation pillars are located between the pixel definition layer and the first electrode layer, at least a portion of the first-type isolation pillars are located in the first border area, and the orthographic projection of the first-type isolation pillars on the substrate surrounds the orthographic projection of the first opening on the substrate. Preferably, the orthographic projection of the surface of the first type of isolation pillar near the substrate onto the substrate is located within the orthographic projection of the surface of the first type of isolation pillar away from the substrate onto the substrate. Preferably, the cross-sectional shape of the first type of isolation pillar in the direction perpendicular to the substrate includes an inverted trapezoid; Preferably, the display panel further includes a support pillar located between the pixel definition layer and the first electrode layer and in contact with the first type of isolation pillar. The orthographic projection of the support pillar on the substrate at least partially surrounds the orthographic projection of the first opening on the substrate, and the orthographic projection of the first type of isolation pillar on the substrate surrounds the orthographic projection of the support pillar on the substrate. Preferably, the orthographic projection of the surface of the support column near the first opening on the substrate is located within the orthographic projection of the surface of the support column near the substrate on the substrate.
3. The display panel according to claim 1, characterized in that, The first conductive layer includes multiple first touch traces, which are located in the first border area; Preferably, the first touch trace is electrically connected to the touch electrode lead through the first opening; Preferably, the first conductive layer comprises indium tin oxide, silver, and indium tin oxide stacked sequentially; Preferably, the display panel further includes a second conductive layer, which is located on the side of the first conductive layer near the substrate and at least partially located in the first frame area. The second conductive layer includes a first electrode trace that connects to the cathode power supply voltage signal. The orthographic projection of the first touch trace on the substrate and the orthographic projection of the first electrode trace on the substrate are misaligned. Preferably, the orthographic projection of the first touch trace on the substrate is located on the side of the orthographic projection of the first electrode trace on the substrate closer to the display area; Preferably, the second conductive layer comprises titanium aluminum titanium stacked sequentially; Preferably, the display panel further includes a first insulating layer, which is located between the first conductive layer and the second conductive layer; Preferably, the display panel further includes a dam located in the non-display area and at least partially surrounding the display area, wherein the orthographic projection of the first electrode trace on the substrate is located on the side of the orthographic projection of the dam on the substrate closer to the display area, or, in the direction from the display area to the first border area, the edge of the orthographic projection of the first electrode trace on the substrate is located within the orthographic projection of the dam on the substrate. Preferably, the display panel further includes a gate driving circuit located on the side of the first conductive layer near the substrate and in the non-display area, wherein the orthographic projection of the gate driving circuit on the substrate is located on the side of the orthographic projection of the dam on the substrate near the display area; Preferably, the orthographic projection of the gate driving circuit on the substrate at least partially overlaps with the orthographic projection of the first touch trace on the substrate; Preferably, the orthographic projection of the gate driving circuit on the substrate is offset from the orthographic projection of the first electrode trace on the substrate.
4. The display panel according to claim 3, characterized in that, The non-display area includes a second border area and a binding area, the binding area being located on the side of the second border area away from the display area; the first touch trace extends toward the second border area; Preferably, the display panel further includes a third conductive layer and a second insulating layer stacked sequentially along a direction away from the substrate, the second insulating layer being located on the side of the first conductive layer closer to the substrate; at least a portion of the third conductive layer and the second insulating layer are located in the second frame area, in the second frame area, the second insulating layer is provided with a second opening, and the first touch trace is connected to the third conductive layer through the second opening; Preferably, the third conductive layer comprises titanium aluminum titanium or molybdenum stacked sequentially; Preferably, the third conductive layer and the second conductive layer are the same conductive layer, and / or the second insulating layer and the first insulating layer are the same insulating layer.
5. The display panel according to claim 3, characterized in that, In the direction from the second border area to the display area, the number of the first touch traces gradually decreases; Preferably, in the direction from the second border area to the display area, the width of the first touch trace gradually increases; and / or, in the direction from the second border area to the display area, the spacing between adjacent first touch traces gradually increases.
6. The display panel according to claim 1, characterized in that, The display panel further includes a second conductive layer, which is located on the side of the first conductive layer near the substrate and at least partially located in the first frame area. The second conductive layer includes a plurality of second touch traces, which are located in the first frame area. Preferably, the display panel further includes a first insulating layer, which is located between the first conductive layer and the second conductive layer. The first insulating layer is provided with a plurality of third openings. The first conductive layer includes a plurality of first conductive blocks. The first conductive blocks are electrically connected to the touch electrode lead wires through the first openings. The second touch traces are electrically connected to the first conductive blocks through the third openings. Preferably, the first conductive layer comprises indium tin oxide, silver, indium tin oxide stacked sequentially, and / or the second conductive layer comprises titanium aluminum titanium stacked sequentially. Preferably, the non-display area includes a second border area and a bonding area, the bonding area being located on the side of the second border area away from the display area; the second touch trace extends toward the second border area; Preferably, the second conductive layer further includes a first electrode trace connected to the cathode power supply voltage signal, wherein the orthographic projection of the first electrode trace on the substrate is offset from the orthographic projection of the second touch trace on the substrate; Preferably, the orthographic projection of the first electrode trace on the substrate is located on the side of the orthographic projection of the second touch trace on the substrate closer to the display area; or, the orthographic projection of the first electrode trace on the substrate is located on the side of the orthographic projection of the second touch trace on the substrate farther from the display area.
7. The display panel according to claim 1, characterized in that, The display panel further includes a fourth conductive layer and a second conductive layer stacked sequentially along a direction away from the substrate. The fourth conductive layer and the second conductive layer are located on the side of the first conductive layer closer to the substrate, and at least a portion of the fourth conductive layer and the second conductive layer are located in the first border area. The fourth conductive layer includes a plurality of third touch traces, and the plurality of third touch traces are located in the first border area. Preferably, the display panel further includes a first insulating layer and a third insulating layer. The first insulating layer is located between the first conductive layer and the second conductive layer, and the third insulating layer is located between the second conductive layer and the fourth conductive layer. The first insulating layer is provided with a plurality of third openings, and the third insulating layer is provided with a plurality of fourth openings. The first conductive layer includes a plurality of first conductive blocks, and the first conductive blocks are electrically connected to the touch electrode leads through the first openings. The second conductive layer includes a plurality of second conductive blocks, and the second conductive blocks are electrically connected to the first conductive blocks through the third openings. The third touch traces are electrically connected to the second conductive blocks through the fourth openings. Preferably, the orthographic projection of the second conductive block on the substrate at least partially overlaps with the orthographic projection of the first conductive block on the substrate; Preferably, the first conductive layer comprises indium tin oxide, silver, and indium tin oxide stacked sequentially; and / or, the second conductive layer comprises titanium aluminum titanium stacked sequentially; and / or, the third conductive layer comprises titanium aluminum titanium stacked sequentially. Preferably, the non-display area includes a second border area and a bonding area, the bonding area being located on the side of the second border area away from the display area; the third touch trace extends toward the second border area; Preferably, the second conductive layer further includes a first electrode trace connected to the cathode power supply voltage signal, wherein the orthographic projection of the first electrode trace on the substrate is offset from the orthographic projection of the second conductive block on the substrate.
8. The display panel according to claim 6 or 7, characterized in that, The display panel also includes a dam located in the non-display area and at least partially surrounding the display area, wherein, in the direction from the display area to the first border area, the edge of the first electrode trace does not extend beyond the edge of the dam on the side away from the display area. Preferably, in the direction from the display area to the first border area, the edge of the second touch trace does not extend beyond the edge of the dam on the side away from the display area; and / or, in the direction from the display area to the first border area, the edge of the third touch trace does not extend beyond the edge of the dam on the side away from the display area; Preferably, the display panel further includes a gate driving circuit located on the side of the first conductive layer near the substrate and in the non-display area, wherein the orthographic projection of the gate driving circuit on the substrate is located on the side of the orthographic projection of the dam on the substrate near the display area; Preferably, the orthographic projection of the gate driving circuit on the substrate is misaligned with the orthographic projection of the first electrode trace on the substrate; and / or, the orthographic projection of the gate driving circuit on the substrate is misaligned with the orthographic projection of the second touch trace on the substrate; and / or, the orthographic projection of the gate driving circuit on the substrate is misaligned with the orthographic projection of the third touch trace on the substrate.
9. The display panel according to claim 1, characterized in that, The pixel definition layer encloses a plurality of pixel openings in the display area, and the display panel further includes a second type of isolation pillar located in the display area. The orthographic projection of the second type of isolation pillar on the substrate is offset from the orthographic projection of the pixel opening on the substrate. Preferably, the orthographic projection of the surface of the second type of isolation pillar near the substrate onto the substrate lies within the orthographic projection of the surface of the second type of isolation pillar away from the substrate onto the substrate. Preferably, the cross-sectional shape of the second type of isolation pillar in the direction perpendicular to the substrate includes an inverted trapezoid; Preferably, the first electrode layer in the display area includes a plurality of first electrodes and a plurality of touch electrodes, the orthographic projection of the first electrodes on the substrate covers the orthographic projection of the pixel opening on the substrate, the touch electrodes are located on the surface of the second type of isolation pillars opposite to the substrate, and the touch electrodes are electrically connected to the touch electrode lead wires; Preferably, the first conductive layer includes a plurality of second electrodes located in the display area, and the pixel opening exposes a portion of the second electrodes; the display panel further includes a plurality of light-emitting devices, each light-emitting device including a first electrode, a light-emitting functional layer and a second electrode, wherein the second electrode, the light-emitting functional layer and the first electrode are sequentially stacked along a direction away from the substrate; Preferably, the display panel further includes a first encapsulation layer, a second encapsulation layer, and a third encapsulation layer stacked along a side away from the substrate, wherein the first encapsulation layer is located on the side of the first electrode layer opposite to the substrate; Preferably, the materials of the first encapsulation layer and the third encapsulation layer include inorganic materials, and the material of the second encapsulation layer includes organic materials.
10. A display device, characterized in that, Includes the display panel as described in any one of claims 1 to 9.