Display panel, display device and manufacturing method

Abstract

This disclosure provides a display panel, a display device, and a method for manufacturing them. The display panel includes a light-transmitting area, wherein the light-transmitting area includes: a first light-transmitting area having a plurality of spaced-apart light-emitting device units; and a second light-transmitting area having a plurality of light-transmitting driving units; the first light-transmitting area and the second light-transmitting area are connected; each light-emitting device unit is connected to a light-emitting driving unit, and the light-emitting driving unit drives the connected light-emitting device unit to emit light; some of the light-emitting device units are connected to the light-emitting driving unit through a first connecting line located inside the light-transmitting area, and some of the light-emitting device units are connected to the light-emitting driving unit through a second connecting line located outside the light-transmitting area; wherein the second connecting line is disposed along the edge of the light-transmitting area.

Description

Technical Field

[0001] This disclosure relates to the field of display technology, and in particular to a display panel, display device, and manufacturing method. Background Technology

[0002] Currently, with the market demand for full-screen displays, integrating cameras into the lower part of the display panel has become the main direction of current display device structural design.

[0003] For cameras integrated under the display panel, in order to achieve the shooting function, the area of ​​the display panel corresponding to the camera must be set as a light-transmitting display area. Currently, users have increasingly higher requirements for the light transmittance of the light-transmitting display area corresponding to the camera in under-display cameras. In order to present a better front-facing shooting effect, it is usually necessary to increase the size of the front-facing camera, which requires the size of the corresponding light-transmitting display area to also be increased accordingly.

[0004] However, since the light-transmitting display area also needs to meet the display function, the number of pixels that can be driven in the light-transmitting display area is limited by the arrangement requirements of the pixel units used for image display in the light-transmitting display area and the space constraints of the drive signal traces, which in turn restricts the size of the light-transmitting display area and affects the size of the front camera. Summary of the Invention

[0005] This disclosure provides a display panel, a display device, and a manufacturing method to solve the problem that the size of the light-transmitting display area and the front-facing camera is limited by the space constraints of the drive signal wiring in existing display panels using under-display cameras.

[0006] On one hand, this disclosure provides a display panel including a light-transmitting area, wherein the light-transmitting area includes:

[0007] The first light-transmitting area is provided with multiple spaced-apart light-emitting device units;

[0008] The second light-transmitting area is provided with multiple light-emitting driving units that can transmit light; the first light-transmitting area is connected to the second light-transmitting area;

[0009] Each of the light-emitting device units is connected to a light-emitting driving unit, which drives the connected light-emitting device unit to emit light. Among the plurality of light-emitting device units, some of the light-emitting device units are connected to the light-emitting driving unit through a first connecting line located inside the light-transmitting area, and some of the light-emitting device units are connected to the light-emitting driving unit through a second connecting line located outside the light-transmitting area. The second connecting line is arranged along the edge of the light-transmitting area.

[0010] Optionally, in the display panel, the first connecting line extends along a first direction, and each end of the first connecting line is connected to a light-emitting driving unit and a light-emitting device unit, respectively.

[0011] Each of the second connecting lines includes a first portion extending along the first direction and disposed along the edge of the light-transmitting area, and two second portions extending along a second direction; the second direction is perpendicular to the first direction, and one of the two ends of the second portion is connected to the first end of the first portion and a light-emitting driving unit, respectively, and the other two ends of the second portion are connected to the second end of the first portion and a light-emitting device unit, respectively.

[0012] Optionally, in the display panel, the second light-transmitting area further includes a plurality of pixel units, which are spaced apart between the plurality of light-emitting driving units.

[0013] Optionally, in the display panel, a plurality of pixel units and a plurality of light-emitting driving units are arranged sequentially along rows and columns in the second light-transmitting area.

[0014] Optionally, in the display panel, the portion of the light-emitting device unit near the light-emitting driving unit is connected to the light-emitting driving unit via a first connecting line, and the portion away from the light-emitting driving unit is connected to the light-emitting driving unit via a second connecting line.

[0015] Optionally, in the display panel, the light-emitting device unit includes a light-emitting layer and an electrode plate located on one side of the light-emitting layer, the light-emitting driving unit includes a driving electrode, and the first connecting line and the second connecting line are respectively connected to the electrode plate and the driving electrode through vias; and / or

[0016] The second connecting line is connected to the electrode plate and the driving electrode through a via, and the electrode plate of the light-emitting device unit extends to be connected to the driving electrode. The electrode plate is reused as the first connecting line.

[0017] Optionally, in the display panel, a plurality of second connecting lines are respectively provided on the opposite sides of the light-transmitting area for connecting the light-emitting device unit and the light-emitting driving unit.

[0018] Optionally, in the display panel, a plurality of light-emitting device units located in the same column are respectively connected to a plurality of light-emitting driving units located in the same column.

[0019] Optionally, in the display panel, the second light-transmitting area is disposed around the first light-transmitting area.

[0020] Optionally, the display panel further includes a display area, in which a plurality of pixel units are arranged in an array, the display area surrounding the light-transmitting area, or the light-transmitting area being located at one edge of the display area.

[0021] On the other hand, embodiments of this disclosure also provide a display device, which includes a display panel as described in any of the preceding claims.

[0022] Optionally, the display device further includes a camera module, the orthographic projection of which is located within the first light-transmitting area on the plane of the display panel.

[0023] On the other hand, embodiments of this disclosure also provide a method for manufacturing a display panel as described in any of the preceding claims, wherein the method includes:

[0024] Provides a transparent substrate;

[0025] A plurality of light-emitting device units are fabricated on a portion of a first region of the substrate to form a first light-transmitting region; a plurality of light-emitting driving units are fabricated on a portion of the first region to form a second light-transmitting region; and a plurality of first connecting lines are fabricated inside the first region, such that a portion of the plurality of light-emitting device units are correspondingly connected to a light-emitting driving unit through the first connecting lines; and a plurality of second connecting lines are fabricated at the outer edge of the first region, such that a portion of the light-emitting device units are correspondingly connected to a light-emitting driving unit through the second connecting lines.

[0026] Optionally, in the fabrication method, the light-emitting device unit includes an anode, the light-emitting driving unit includes a source / drain layer, the first connecting line and the second connecting line are fabricated between the anode and the source / drain layer, and are respectively connected to the anode and the source / drain layer through vias; or

[0027] The second connection line is fabricated between the anode and the source / drain layer, and is connected to the anode and the source / drain layer respectively through vias; the first connection line is fabricated using the same patterning process as the anode, and the anode is reused as the first connection line. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of this disclosure or related technologies, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 This is a schematic diagram of the planar structure of the display panel described in this disclosure;

[0030] Figure 2 This is a schematic diagram of the arrangement structure of the light-emitting device units and the light-emitting driving units on the light-transmitting area of ​​the display panel described in this disclosure;

[0031] Figure 3 for Figure 2 A cross-sectional view of the middle pixel unit;

[0032] Figure 4 for Figure 2 One of the schematic cross-sectional views of the light-emitting driving unit, the first connecting line, and the light-emitting device unit in the central light-transmitting area;

[0033] Figure 5 for Figure 2 The second schematic diagram of the cross-sectional structure of the light-emitting driving unit, the first connecting line, and the light-emitting device unit in the central light-transmitting area. Detailed Implementation

[0034] To make the technical problems, technical solutions and advantages to be solved by the embodiments of this disclosure clearer, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.

[0035] This disclosure provides a display panel, such as... Figure 1 and Figure 2 As shown, it includes a light-transmitting area 100, wherein the light-transmitting area 100 includes:

[0036] The first light-transmitting area 110 is provided with a plurality of spaced-apart light-emitting device units 111;

[0037] The second light-transmitting area 120 is provided with a plurality of light-emitting driving units 121 that are capable of transmitting light; the first light-transmitting area 110 is connected to the second light-transmitting area 120;

[0038] Each light-emitting device unit 111 is connected to a light-emitting driving unit 121, which drives the connected light-emitting device unit 111 to emit light. Among the multiple light-emitting device units 111, some of the light-emitting device units 111 are connected to the light-emitting driving unit 121 through a first connecting line 1 located inside the light-transmitting area 100, and some of the light-emitting device units 111 are connected to the light-emitting driving unit 121 through a second connecting line 2 located outside the light-transmitting area 110. The second connecting line 2 is arranged along the edge of the light-transmitting area 100.

[0039] In this disclosure embodiment, optionally, as shown in the example... Figure 1As shown, the light-transmitting area 100 is formed as a portion of the display area 3 of the display panel. Optionally, the display panel is an OLED display panel, the light-emitting device unit 111 is an OLED light-emitting unit in the OLED pixel unit, and the light-emitting driving unit 121 is a driving unit in the OLED pixel unit used to drive the OLED light-emitting unit to emit light.

[0040] The light-emitting device unit 111 and the light-emitting driving unit 121 are fabricated on a transparent substrate. In the first light-transmitting area 110, the light-emitting device unit 111 is optionally made of a light-transmitting material, that is, it is formed into a structure that can transmit light, thereby forming the light-transmitting effect of the first light-transmitting area 110. Alternatively, the light-emitting device unit 111 is not limited to being made of a light-transmitting material, but can also utilize the light-transmitting function of the gaps between the spaced light-emitting device units 111 to form the light-transmitting effect of the first light-transmitting area 110.

[0041] In the second light-transmitting area 120, multiple light-emitting driving units 121 are made of light-transmitting material and formed into a structure that can transmit light, thereby creating the light-transmitting effect of the second light-transmitting area 120.

[0042] In this disclosure embodiment, optionally, as shown in the example... Figure 1 As shown, the display panel also includes a display area 3, in which multiple pixel units are arranged in an array. Optionally, the display area 3 is arranged around the light-transmitting area 100, or the light-transmitting area 100 is arranged at one edge of the display area 3. Optionally, the pixel units arranged in the display area 3 may be made of a light-transmitting material or not, which is not limited here.

[0043] With the display panel described in this embodiment, a camera can be set on the side of the light-transmitting area 100 away from the display panel. By utilizing the light-transmitting function of the first light-transmitting area 110 and / or the second light-transmitting area 120 of the light-transmitting area 100, the light incident on the display panel can be transmitted to the camera for image capture.

[0044] In this embodiment, the light-transmitting area 100 uses the light-emitting driving unit 121 to drive the light-emitting device unit 111 to emit light, thereby realizing the display function of the light-transmitting area 100. Therefore, the entire display area 3 of the display panel can be used for image display, and the display effect will not be affected by the setting of the light-transmitting area 100.

[0045] Optionally, such as Figure 2 As shown, the second light-transmitting area 120 also includes a plurality of pixel units 122, each pixel unit 122 including a light-emitting device unit and a light-emitting driving unit stacked together;

[0046] Multiple pixel units 122 are spaced apart between multiple light-emitting driving units 121.

[0047] With this implementation structure, the second light-transmitting area 120 realizes the display function by using the multiple pixel units 122.

[0048] Optionally, the multiple pixel units 122 may or may not have a light-transmitting function.

[0049] Additionally, in this disclosure embodiment, optionally, as follows: Figure 2 As shown, multiple pixel units 122 and multiple light-emitting driving units 121 are arranged sequentially along rows and columns in the second light-transmitting area 120. The entire area where the multiple pixel units 122 and the multiple light-emitting driving units 121 are distributed corresponds to the second light-transmitting area 120.

[0050] Optionally, the entire area covered by the multiple spaced light-emitting device units 111 is formed as the first light-transmitting area 110.

[0051] In the display panel described in this embodiment, the light-emitting device unit 111 and the light-emitting driving unit 121 for driving the light-emitting device unit 111 to emit light are distributed in different areas to meet the light transmission requirements of the first light-transmitting area 110 and the second light-transmitting area 120. Furthermore, by connecting multiple light-emitting device units 111 and multiple light-emitting driving units 121 one-to-one, the light-emitting device unit 111 in the first light-transmitting area 110 emits light for image display in the first light-transmitting area 110. Further, since some of the multiple light-emitting device units 111 are connected to the light-emitting driving unit via a first connecting line 1 located inside the light-transmitting area 100... 121. Some of the light-emitting device units 111 are connected to the light-emitting driving unit 121 through a second connecting line 2 located outside the light-transmitting area 100. Therefore, inside the light-transmitting area 100, compared to the connecting lines between the light-emitting device units 111 and the light-emitting driving unit 121, all are located inside the light-transmitting area 100. Inside the light-transmitting area 100, more light-emitting device units 111 and light-emitting driving units 121 can be arranged, thereby increasing the number of driveable pixels and increasing the pixel density of the light-transmitting area 100, or increasing the size of the light-transmitting area 100, solving the problem of the space limitation of the driving signal wiring in the prior art, which restricts the size of the light-transmitting display area and the front camera.

[0052] In the display panel described in the embodiments of this disclosure, such as Figure 2 As shown, the first connecting line 1 extends along the first direction a, and each end of the first connecting line 1 is connected to a light-emitting driving unit 121 and a light-emitting device unit 111, respectively.

[0053] Each second connecting line 2 includes a first portion 21 extending along a first direction and disposed along the edge of the light-transmitting area 100 and two second portions 22 extending along a second direction b; the second direction b is perpendicular to the first direction a, and the two ends of one second portion 22 are respectively connected to the first end of the first portion 21 and a light-emitting driving unit 121, and the two ends of the other second portion 22 are respectively connected to the second end of the first portion 21 and a light-emitting device unit 111.

[0054] By setting a second portion 22 extending along the second direction b and connecting it to a first portion 21 extending along the first direction a, the second connecting line 2 connecting the light-emitting driving unit 121 and the light-emitting device unit 111 is formed with the first connecting line 1 in a longitudinal and transverse arrangement and can wrap around to the edge of the light-transmitting area 100, so as to increase the number of driveable pixels inside the light-transmitting area 100.

[0055] In this disclosure embodiment, optionally, as shown in the example... Figure 2 As shown, multiple second connecting lines 2 are respectively provided on the opposite sides of the light-transmitting area 100 to connect the light-emitting device unit 111 and the light-emitting driving unit 121. Specifically, the first portions 21 of the multiple second connecting lines 2 are arranged parallel to each other on the opposite sides of the light-transmitting area 100.

[0056] In this embodiment of the disclosure, such as Figure 2 As shown, optionally, the portion of the light-emitting device unit 111 near the light-emitting driving unit 121 is connected to the light-emitting driving unit 121 via the first connecting line 1, and the portion away from the light-emitting driving unit 121 is connected to the light-emitting driving unit 121 via the second connecting line 2.

[0057] Specifically, among the multiple light-emitting device units 111, a predetermined number of light-emitting device units 111 arranged along the second direction b near the second light-transmitting area 120 are correspondingly connected to a predetermined number of light-emitting driving units 121 arranged along the second direction b near the first light-transmitting area 110.

[0058] The specific value of the preset quantity can be determined based on the range of the interval area between the first light-transmitting area 110 and the second light-transmitting area 120, as well as the required density of the driving pixels within the light-transmitting area 100.

[0059] Optionally, such as Figure 2 As shown in the present embodiment, multiple light-emitting device units 111 located in the same column are respectively connected to multiple light-emitting driving units 121 located in the same column.

[0060] Specifically, multiple light-emitting device units 111 arranged in the same column along the second direction b are respectively connected to multiple light-emitting driving units 121 located in the same column along the second direction b.

[0061] This connection method allows for a more regular arrangement of the multiple first connection lines 1 and multiple second connection lines 2 connecting the light-emitting device unit 111 and the light-emitting driving unit 121.

[0062] Optionally, such as Figure 2 As shown, among the N columns of light-emitting driving units 121 and N columns of light-emitting device units 111 connected by the first connecting line 1, the first column of light-emitting driving units 121 closest to the light-emitting device unit 111 (that is, the light-emitting driving unit 121 closest to the light-emitting device unit 111) is correspondingly connected to the Nth column of light-emitting device units 111 furthest from the light-emitting driving unit 121; the second column of light-emitting driving units 121 adjacent to the first column of light-emitting driving units 121 and the (N-1)th column of light-emitting device units 111 adjacent to the Nth column of light-emitting device units 111 are correspondingly connected; and so on, so that the N columns of light-emitting driving units 121 and N columns of light-emitting device units 111 are correspondingly connected by the first connecting line 1.

[0063] Among the light-emitting driving units 121 and light-emitting device units 111 in columns N+1 to M connected by the second connecting line 2, the light-emitting device unit 111 in column N+1 closest to the light-emitting driving unit 121 and the light-emitting driving unit 121 in column N+1 closest to the light-emitting device unit 111 are correspondingly connected; the light-emitting device unit 111 in column N+2 adjacent to the light-emitting device unit 111 in column N+1 and the light-emitting driving unit 121 in column N+2 adjacent to the light-emitting driving unit 121 in column N+1 are correspondingly connected; and so on, the light-emitting driving units 121 and light-emitting device units 111 in columns N+1 to M can be correspondingly connected by the second connecting line 2. Where N and M are both positive integers, and M is greater than N.

[0064] Optionally, in embodiments of this disclosure, such as Figure 2 As shown, in the first light-transmitting area 110, adjacent columns of light-emitting device units 111 are arranged alternately.

[0065] In the second light-transmitting area 120, multiple pixel units 122 and multiple light-emitting driving units 121 are arranged and connected in sequence, and the covered area forms the second light-transmitting area 120. The multiple pixel units 122 are spaced apart between the multiple light-emitting driving units 121; optionally, pixel units 122 are arranged between two rows of light-emitting driving units 121, and within the row of pixel units 122, pixel units 122 and light-emitting driving units 121 are spaced apart; optionally, the multiple pixel units 122 arranged in two adjacent rows of pixel units 122 are arranged alternately.

[0066] The display panel described in this embodiment of the disclosure, in conjunction with Figure 1 and Figure 2As shown, when the display panel is installed on the display device, the first light-transmitting area 110 corresponds to the camera area, and only the light-emitting device unit 111 of the pixel unit is set in the first light-transmitting area 110; the second light-transmitting area 120 is connected to the first light-transmitting area 110, and can optionally be an area set around the first light-transmitting area 110. The second light-transmitting area 120 is provided with pixel unit 122 and light-emitting driving unit 121, wherein the light-emitting driving unit 121 is formed as a virtual dummy pixel, and some of the light-emitting driving units 121 are connected one-to-one with the light-emitting device unit 111 of the first light-transmitting area 110 to drive the connected light-emitting device unit 111 to emit light.

[0067] In this embodiment of the present disclosure, the light-emitting device unit 111 includes a light-emitting layer and an electrode plate located on one side of the light-emitting layer, and the light-emitting driving unit 121 includes a driving electrode. The first connecting line and the second connecting line are both connected to the electrode plate and the driving electrode respectively through vias; or

[0068] The second connecting line is connected to the electrode plate and the driving electrode through a via. The electrode plate of the light-emitting device unit 111 extends to be connected to the driving electrode, and the electrode plate is reused as the first connecting line.

[0069] Optionally, the electrode of the light-emitting device unit 111 is an anode; the driving electrode of the light-emitting driving unit 121 is a source / drain electrode.

[0070] In one embodiment, both the first connecting line 1 and the second connecting line 2 are made of transparent ITO material.

[0071] like Figure 3 for Figure 2 A cross-sectional schematic diagram of the middle pixel unit, that is, a cross-sectional structural schematic diagram of pixel unit 122.

[0072] Optionally, taking a top-emitting OLED display panel as an example, such as Figure 3 As shown, the pixel unit 122 of the display panel includes a substrate 10 and a driving unit and a light-emitting device unit disposed on the substrate 10. The driving unit includes an active layer 601, a gate insulating layer 602, a gate electrode 603, an interlayer insulating layer 604, and a source / drain layer 605 sequentially fabricated on the substrate 10; the light-emitting device unit includes a first electrode 702, a light-emitting layer 704 disposed on the side of the first electrode 702 away from the substrate 10, and a second electrode 705 disposed on the side of the light-emitting layer 704 away from the substrate 10; optionally, a spacer layer 706 is further disposed on the second electrode 705. A pixel defining layer 703 is disposed on the first electrode 702, and the light-emitting layer 704 is disposed in the pixel defining layer 703. Optionally, the spacer layer 706 includes two opposing inorganic layers and an organic layer located between the two inorganic layers.

[0073] The first electrode 702 is connected to the source / drain layer 605 through a via in the planarization layer 607, and can drive the light-emitting device to emit light through the driving unit.

[0074] In this embodiment of the present disclosure, optionally, the first electrode 702 is the anode and the second electrode 705 is the cathode. The light-emitting layer 704 includes a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer, and an electron injection layer disposed sequentially.

[0075] Optionally, the substrate 10 can be a transparent layer, including multiple layers of organic and inorganic layers spaced apart.

[0076] It is understandable that a barrier layer and a buffer layer may also be provided between the substrate 10 and the active layer 601, which will not be described here.

[0077] It should be noted that the specific structure of the pixel unit 122 set in the light-transmitting area 100 is the same as the structure of the pixel unit set in the display area 3 of the display panel. Moreover, the specific structure of the pixel unit 122 is not limited to the above-mentioned implementation structure, and will not be described in detail here.

[0078] Figure 4 for Figure 2 A cross-sectional view of the light-emitting driving unit 121, the first connecting line 1, and the light-emitting device unit 111 in the central light-transmitting area 100.

[0079] See Figure 4 As shown, the light-emitting driving unit 121, the first connecting line 1, and the light-emitting device unit 111 are respectively disposed on the substrate 10.

[0080] The light-emitting driving unit 121 includes an active layer 601, a gate insulating layer 602, an interlayer insulating layer 604, and a driving electrode 1211 respectively disposed on the substrate 10. The driving electrode 1211 is connected to the active layer 601 through a via penetrating the interlayer insulating layer 604 and the gate insulating layer 602. Specifically, in conjunction with Figure 3 As shown, the active layer 601 of the light-emitting driving unit 121 is disposed on the same layer as the active layer 601 of the pixel unit 122 in the display area, and can be manufactured using the same patterning process; the gate insulating layer 602 of the light-emitting driving unit 121 is disposed on the same layer as the gate insulating layer 602 of the pixel unit 122, and is manufactured using the same patterning process; the interlayer insulating layer 604 of the light-emitting driving unit 121 is disposed on the same layer as the interlayer insulating layer 604 of the pixel unit 122, and is manufactured using the same patterning process.

[0081] Optionally, a first planarization layer 1212 is further provided on the interlayer insulating layer 604, wherein the first connecting line 1 is provided on the first planarization layer 1212 and extends toward the light-emitting device unit 111; a second planarization layer 1213 is provided on the first planarization layer 1212.

[0082] The light-emitting device unit 111 includes an anode 1111, a pixel defining layer 703, a light-emitting layer 1112, and a cathode 1113 sequentially disposed on the second planarization layer 1213. The anode 1111 is connected to the first connection line 1 through a via penetrating the second planarization layer 1213.

[0083] It should be noted that the planarization layer 607 of the pixel unit 122 can be two layers, which are on the same layer as the first planarization layer 1212 and the second planarization layer 1213 of the light-transmitting area 100, and are made using the same patterning process; the pixel limiting layer 703 of the light-transmitting area 100 is on the same layer as the pixel limiting layer 703 of the pixel unit 122, and is made using the same patterning process.

[0084] Using the above-described implementation structure, by inputting a voltage signal to the driving electrode 1211 of the light-emitting driving unit 121, the voltage signal can be transmitted to the anode 1111 of the light-emitting device unit 111 via the first connection line 1, so as to drive the anode 1111 to emit light for image display.

[0085] It should be noted that, for reference Figure 4 and combined Figure 2 As shown, optionally, the structure of the second connecting line 2 connecting the light-emitting driving unit 121 and the light-emitting device unit 111 can be the same as that of the first connecting line 1, that is... Figure 4 The first connecting line 1 in the middle can also be the second connecting line 2. However, the second connecting line 2 will be wrapped around to the edge of the light-transmitting area 100 and connected to the light-emitting driving unit 121 and the light-emitting device unit 111 respectively. This will not be described further here.

[0086] In this embodiment, optionally, the first connecting line 1 and the second connecting line 2 can be made of transparent ITO material.

[0087] Another embodiment of this disclosure, such as Figure 5 As shown, in this embodiment, the light-emitting driving unit 121 includes an active layer 601, a gate insulating layer 602, an interlayer insulating layer 604, and a driving electrode 1211 respectively disposed on the substrate 10. The driving electrode 1211 is connected to the active layer 601 through a via penetrating the interlayer insulating layer 604 and the gate insulating layer 602. A first planarization layer 1212 and a second planarization layer 1213 are sequentially disposed on the interlayer insulating layer 604. The anode 1111 of the light-emitting device unit 111 is disposed on the second planarization layer 1213 and extends to the light-emitting driving unit 121, and is connected to the driving electrode 1211 through a via penetrating the first planarization layer 1212 and the second planarization layer 1213.

[0088] In this embodiment, within the light-transmitting area 100, the anode of the light-emitting device unit 111 of the first light-transmitting area 110 can be reused as a first connecting line 1, extending to the second light-transmitting area 120 and connecting to the driving electrode 1211 of the light-emitting driving unit 121. Since there is no need to separately set up a connecting line, compared with the above-described embodiment of implementing a first connecting line, the number of controllable pixel structures can be increased.

[0089] Since the anode of the light-emitting device unit 111 is usually an opaque structure, in this embodiment of the present disclosure, the first connecting line 1 may optionally be made of a portion of transparent ITO material and the other portion may be made of a reused anode of the light-emitting device unit 111.

[0090] It should be noted that the above-described implementation structure of the light-emitting device unit and the light-emitting driving unit in the light-transmitting area, as well as the arrangement structure of the first connecting line and the second connecting line in the light-transmitting area, are only illustrative examples and are not limited to these. For example, the first connecting line and / or the second connecting line can be set as a multi-layer structure, which will not be described in detail here.

[0091] The display panel described in this embodiment can increase the number of light-emitting devices controlled in the camera's light-transmitting display area and increase the size of the light-transmitting display area; for products with a small front-facing camera, it can increase the pixel density of the light-transmitting display area and improve the display quality.

[0092] This disclosure also provides a display device, wherein the display device includes a display panel as described in any of the above embodiments.

[0093] Optionally, the display device further includes a camera module, the orthographic projection of which is located within the first light-transmitting area on the plane of the display panel.

[0094] Specifically, the camera module is formed as a front-facing camera of the display device and constitutes an under-display camera structure.

[0095] Based on the above detailed description of the display panel, those skilled in the art should understand the specific structure of the display device using the display panel described in the embodiments of this disclosure, which will not be described in detail here.

[0096] Another embodiment of this disclosure also provides a method for manufacturing the display panel, wherein the method includes:

[0097] Provides a transparent substrate;

[0098] A plurality of light-emitting device units are fabricated on a portion of a first region of the substrate to form a first light-transmitting region; a plurality of light-emitting driving units are fabricated on a portion of the first region to form a second light-transmitting region; and a plurality of first connecting lines are fabricated inside the first region, such that a portion of the plurality of light-emitting device units are correspondingly connected to a light-emitting driving unit through the first connecting lines; and a plurality of second connecting lines are fabricated at the outer edge of the first region, such that a portion of the light-emitting device units are correspondingly connected to a light-emitting driving unit through the second connecting lines.

[0099] Optionally, in the fabrication method, the light-emitting device unit includes a light-emitting layer and an electrode plate located on one side of the light-emitting layer, the light-emitting driving unit includes a driving electrode, and the first connecting line and the second connecting line are fabricated between the electrode plate and the driving electrode, and are respectively connected to the electrode plate and the driving electrode through vias; or

[0100] The second connecting line is fabricated between the electrode plate and the driving electrode, and is connected to the electrode plate and the driving electrode respectively through a via; the first connecting line is fabricated with the same patterning process as the electrode plate, and the electrode plate is reused as the first connecting line.

[0101] Combination Figure 4 and Figure 5 With reference to the above detailed description, those skilled in the art should be able to understand the specific manufacturing process of the display panel described in the embodiments of this disclosure, which will not be described in detail here.

[0102] Unless otherwise defined, the technical or scientific terms used in this disclosure shall have the ordinary meaning understood by one of ordinary skill in the art to which this disclosure pertains. The terms “first,” “second,” and similar terms used in this disclosure do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as “comprising” or “including” mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as “connected” or “linked” are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as “upper,” “lower,” “left,” and “right” are used only to indicate relative positional relationships, and these relative positional relationships may change accordingly when the absolute position of the described objects changes.

[0103] It is understandable that when a component such as a layer, film, region, or substrate is referred to as being "above" or "below" another component, the component may be "directly" located "above" or "below" the other component, or there may be intermediate components present.

[0104] In the description of the above embodiments, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0105] The above description is merely a specific embodiment of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A display panel, comprising a light-transmitting area, wherein, The light-transmitting area includes: The first light-transmitting area is provided with multiple spaced-apart light-emitting device units; The second light-transmitting area is provided with multiple light-emitting driving units that can transmit light; the first light-transmitting area is connected to the second light-transmitting area; Each of the light-emitting device units is connected to a light-emitting driving unit, which drives the connected light-emitting device unit to emit light; among the plurality of light-emitting device units, some of the light-emitting device units are connected to the light-emitting driving unit through a first connecting line located inside the light-transmitting area, and some of the light-emitting device units are connected to the light-emitting driving unit through a second connecting line located outside the light-transmitting area; wherein, the second connecting line is arranged along the edge of the light-transmitting area; Each of the second connecting lines includes a first portion extending along a first direction and disposed along the edge of the light-transmitting area, and two second portions extending along a second direction; the second direction is perpendicular to the first direction, and one of the two ends of the second portion is connected to the first end of the first portion and a light-emitting driving unit, respectively, and the other two ends of the second portion are connected to the second end of the first portion and a light-emitting device unit, respectively. The portion of the light-emitting device unit closest to the light-emitting driving unit is connected to the light-emitting driving unit via a first connecting line, and the portion furthest from the light-emitting driving unit is connected to the light-emitting driving unit via a second connecting line.

2. The display panel according to claim 1, wherein, The first connecting line extends along a first direction, and each end of the first connecting line is connected to a light-emitting driving unit and a light-emitting device unit, respectively.

3. The display panel according to claim 1, wherein, The second light-transmitting area further includes a plurality of pixel units, which are spaced apart between the plurality of light-emitting driving units.

4. The display panel according to claim 3, wherein, The plurality of pixel units and the plurality of light-emitting driving units are arranged sequentially along rows and columns in the second light-transmitting area.

5. The display panel according to claim 1, wherein, The light-emitting device unit includes a light-emitting layer and an electrode plate located on one side of the light-emitting layer. The light-emitting driving unit includes a driving electrode. The first connecting line and the second connecting line are respectively connected to the electrode plate and the driving electrode through vias. and / or The second connecting line is connected to the electrode plate and the driving electrode through a via, and the electrode plate of the light-emitting device unit extends to be connected to the driving electrode. The electrode plate is reused as the first connecting line.

6. The display panel according to claim 1, wherein, Multiple second connecting lines are respectively provided on the opposite edges of the light-transmitting area for connecting the light-emitting device unit and the light-emitting driving unit.

7. The display panel according to claim 1, wherein, The plurality of light-emitting device units located in the same column are respectively connected to the plurality of light-emitting driving units located in the same column.

8. The display panel according to claim 1, wherein, The second light-transmitting area is arranged around the first light-transmitting area.

9. The display panel according to claim 1, wherein, The display panel further includes a display area, in which a plurality of pixel units are arranged in an array. The display area is arranged around the light-transmitting area, or the light-transmitting area is arranged at one edge of the display area.

10. A display device, wherein, Includes the display panel as described in any one of claims 1 to 9.

11. The display device according to claim 10, wherein, The display device further includes a camera module, the orthographic projection of which is located within the first light-transmitting area on the plane of the display panel.

12. A method for manufacturing a display panel as described in any one of claims 1 to 9, wherein, The method includes: Provides a transparent substrate; A plurality of light-emitting device units are fabricated on a portion of a first region of the substrate to form a first light-transmitting region; a plurality of light-emitting driving units are fabricated on a portion of the first region to form a second light-transmitting region; and a plurality of first connecting lines are fabricated inside the first region, such that a portion of the plurality of light-emitting device units are correspondingly connected to a light-emitting driving unit through the first connecting lines; and a plurality of second connecting lines are fabricated at the outer edge of the first region, such that a portion of the light-emitting device units are correspondingly connected to a light-emitting driving unit through the second connecting lines.

13. The preparation method according to claim 12, wherein, The light-emitting device unit includes an anode, the light-emitting driving unit includes a source / drain layer, the first connecting line and the second connecting line are fabricated between the anode and the source / drain layer, and are respectively connected to the anode and the source / drain layer through vias; or The second connection line is fabricated between the anode and the source / drain layer, and is connected to the anode and the source / drain layer respectively through vias; the first connection line is fabricated using the same patterning process as the anode, and the anode is reused as the first connection line.

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