Display module and display device

Abstract

The application discloses a display module and a display device, and relates to the technical field of display, which comprises an array substrate, a GOA driving unit, a self-luminous functional layer and a conductive layer; the array substrate comprises an incident light surface arranged towards a backlight module, the periphery of the array substrate is a wiring area, and the inner periphery of the array substrate is an incident light area; the GOA driving unit is arranged in the wiring area and is electrically connected with a control circuit of the array substrate; the self-luminous functional layer is arranged between the array substrate and the GOA driving unit; the wiring area trace of the GOA driving unit is used as the cathode of the self-luminous functional layer; and the conductive layer is arranged between the array substrate and the self-luminous functional layer and is used as the anode of the self-luminous functional layer. According to the scheme, the GOA driving unit is arranged at the edge position of the back surface of the array substrate, and the wiring area trace of the GOA driving unit is used as the cathode of the self-luminous functional layer, so that the self-luminous of the self-luminous functional layer is utilized to compensate the light intensity of the area where the GOA driving unit is arranged, and the brightness of the back placement area can be improved while the GOA driving unit is placed at the back.

Description

Technical Field

[0001] This application relates to the field of display technology, and in particular to a display module and display device. Background Technology

[0002] Liquid crystal displays (LCDs) have become mainstream display products and are widely used due to their advantages such as thinness, energy efficiency, and low radiation. Most LCDs on the market today are backlit LCDs, which consist of an LCD panel and a backlight module. The working principle of an LCD panel is to place liquid crystal molecules between two parallel glass substrates and apply a driving voltage to the two glass substrates to control the rotation direction of the liquid crystal molecules. This modulates the light emitted from the backlight module to form an image.

[0003] To enhance the unified visual experience, narrow bezels and borderless designs have gradually become important development directions for LCD displays. Following this trend, GOA (Gate Driver on Array) circuits have been widely adopted. GOA circuits use the same film deposition process as the thin-film transistors (TFTs) within the array substrate, and are fabricated simultaneously with the internal structure of the array substrate. This eliminates the cost of scan line driver chips and eliminates the need to solder flexible circuit boards to the edges of the LCD panel, thus reducing bezel width and simplifying module structure design.

[0004] However, traditional GOA circuits require etching signal lines on the side of the array substrate, which is prone to breakage due to process variations. Furthermore, the need to occupy space on the side of the array substrate makes it difficult to achieve truly narrow bezels and bezel-less designs. To address this, researchers attempted to move the GOA circuit to the back of the array substrate to reduce the space occupied on the side. However, this rear-mounted GOA circuit solution obstructs the optical path of the backlight module, reducing the light transmittance at the location of the GOA circuit. This disrupts the uniformity and consistency of brightness, negatively impacting the overall display effect. Summary of the Invention

[0005] The main objective of this application is to propose a display module that addresses the technical problem that a rear-mounted GOA circuit would obstruct the light path of the backlight module, causing a decrease in the light transmittance at the location of the GOA circuit, thereby disrupting the uniformity and consistency of brightness and adversely affecting the overall display effect.

[0006] To achieve the above objectives, the display module proposed in this application includes:

[0007] An array substrate, the array substrate including a light-incident surface disposed toward a backlight module, the periphery of the light-incident surface being a wiring area, and the inner periphery of the light-incident surface being a light-incident area;

[0008] GOA driving unit, the GOA driving unit is disposed in the wiring area; the GOA driving unit is electrically connected to the control circuit of the array substrate;

[0009] A self-emissive functional layer is disposed between the array substrate and the GOA driving unit; the wiring area of ​​the GOA driving unit serves as the cathode of the self-emissive functional layer.

[0010] A conductive layer is disposed between the array substrate and the self-emissive functional layer, and the conductive layer serves as the anode of the self-emissive functional layer.

[0011] In one embodiment, the self-emissive functional layer includes an electronic functional layer, an organic light-emitting layer, and a hole functional layer stacked sequentially from bottom to top; the conductive layer is disposed between the array substrate and the hole functional layer.

[0012] The conductive layer, the hole-functional layer, the organic light-emitting layer, the electronic functional layer, and the wiring area together constitute an OLED light-emitting unit.

[0013] In one embodiment, the control circuit is used to transmit timing control signals to the GOA driving unit to drive the voltage of the wiring area traces to change.

[0014] When the voltage of the wiring area is less than the voltage of the conductive layer, the self-emissive functional layer emits light; when the voltage of the wiring area is greater than the voltage of the conductive layer, the self-emissive functional layer clears residual charge.

[0015] In one embodiment, the display module further includes a light guide module disposed between the array substrate and the GOA driving unit; the light guide module is used to conduct backlight light emitted by the backlight module to the wiring area.

[0016] In one embodiment, the light guide module includes an optical film structure and a light guide structure; the optical film structure is disposed between the array substrate and the GOA driving unit, and the optical film structure surrounds the backlight module; the light guide structure is disposed on the side of the optical film structure facing away from the array substrate, and the light guide structure surrounds the backlight module; the light guide structure is used to conduct backlight light emitted from the backlight module to the optical film structure, so as to diffuse the backlight light to the wiring area through the optical film structure.

[0017] In one embodiment, the backlight module includes a backlight source and an optical film assembly, the optical film assembly covering the backlight source; the optical film assembly has a forward light guide and a side light guide, the forward light guide is used to project a portion of the backlight light emitted by the backlight source vertically to the incident light area, and the side light guide is used to project a portion of the backlight light emitted by the backlight source laterally to the light guide module.

[0018] In one embodiment, the self-emissive functional layer is configured as a plurality of spaced first strip structures, which are spacedly embedded in the optical film structure. The first strip structures and the wiring area traces at least partially overlap in the orthographic projection area of ​​the array substrate.

[0019] In one embodiment, the self-emissive functional layer is configured as a plurality of self-emissive monomer structures, which are arranged at intervals along the bus direction of the GOA driving unit; the length of each self-emissive monomer structure in the bus direction is 1~2mm, and the gap between two adjacent self-emissive monomer structures is 18~22μm.

[0020] In one embodiment, the self-emissive functional layer is provided with through-holes, and the two ends of the through-holes are respectively connected to the control circuit and the GOA driving unit; the through-holes are filled with conductive material, and the control circuit is electrically connected to the GOA driving unit through the conductive material.

[0021] In one embodiment, the conductive material is configured as nano-silver.

[0022] In one embodiment, the display module further includes an insulating material layer that acts as a barrier between the conductive material and the wall of the interconnect via.

[0023] In one embodiment, the display module further includes a heat dissipation bracket, which is connected to the GOA driving unit and the conductive material, and the heat dissipation bracket is provided with a liquid cooling channel.

[0024] This application also proposes a display device, which includes a display module as described above.

[0025] The display module proposed in this application places the GOA driving unit in the wiring area on the back of the array substrate to reduce the occupation of the side area of ​​the array substrate, further reducing the bezel width of the display device and increasing the display area without changing the overall size of the display device. A self-emissive functional layer and a conductive layer are sequentially disposed between the GOA driving unit and the array substrate. The conductive layer serves as the anode of the self-emissive functional layer, and the wiring area traces of the GOA driving unit are reused as the cathode of the self-emissive functional layer. This creates an additional self-emissive light source in the wiring area. The voltage difference between the anode and cathode enables the self-emissive functional layer to emit light, thereby increasing the illumination intensity of the wiring area through the light emitted by the self-emissive functional layer. This solves the problem of insufficient brightness in the wiring area caused by the GOA driving unit's obstruction, and provides supplementary lighting to the edges of the display area, ensuring the uniformity and consistency of the overall brightness of the display area. This improves the display effect while achieving narrow bezel and bezel-less designs. Furthermore, since this embodiment directly reuses the wiring area traces of the GOA driving unit as the cathode of the self-emissive functional layer, there is no need to set up an additional metal wiring layer on the GOA driving unit specifically for acting as the cathode, nor is there a need to design a slit pattern specifically to allow the wiring area traces of the GOA driving unit to avoid the metal wiring layer. This avoids the waste of space caused by the slit pattern occupying additional wiring area space, and eliminates the parasitic capacitance generated by the adjacent arrangement of the wiring area traces of the GOA driving unit and the metal wiring layer, thereby reducing the load pressure of the gate drive. At the same time, it also eliminates the independent film deposition, etching and other process steps of the metal wiring layer, reducing process complexity and production yield risk, and there is no need to plan the wiring separately for the metal wiring layer, thereby reducing the pin occupancy of the integrated circuit and the risk of fan-out area wire congestion. Ultimately, while optimizing the display effect, it also achieves structural simplification and cost reduction. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the display module provided in this application;

[0028] Figure 2 A cross-sectional structural diagram of the wiring area in one embodiment of the display module provided in this application;

[0029] Figure 3This is a partial cross-sectional structural diagram of an embodiment of the display module provided in this application;

[0030] Figure 4 A cross-sectional structural schematic diagram of the backlight module in one embodiment of the display module provided in this application;

[0031] Figure 5 A cross-sectional structural diagram of the interconnecting vias in one embodiment of the display module provided in this application;

[0032] Figure 6 A timing control diagram of an embodiment of the display module provided in this application.

[0033] Explanation of icon numbers:

[0034] 100. Liquid crystal layer; 200. Color filter; 300. Color filter;

[0035] 1. Array substrate; 11. Pixel area; 12. Light-incident surface; 121. Wiring area; 122. Light-incident area;

[0036] 2. Backlight module; 21. Backlight source; 22. Optical film assembly; 23. First reflective sheet; 22a. Forward light guide section; 22b. Side light guide section; 221. First light guide plate; 222. First lower diffuser sheet; 223. First prism sheet; 224. First upper diffuser sheet;

[0037] 3. GOA drive unit; 31. Wiring area routing;

[0038] 4. Light guide module; 41. Optical film structure; 42. Light guide structure; 411. Second lower diffuser; 412. Second prism sheet; 413. Second upper diffuser; 421. Second light guide plate; 422. Second reflector;

[0039] 5. Self-emissive functional layer; 51. Electron functional layer; 52. Organic light-emitting layer; 53. Hole functional layer;

[0040] 6. Conductive layer; 7. Interconnect vias; 8. Conductive material; 9. Heat sink support; 10. Insulating material layer.

[0041] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0042] 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 a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0043] It should be noted that if the embodiments of this application involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0044] Furthermore, if the embodiments of this application involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution that simultaneously satisfies A and B. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed in this application.

[0045] Liquid crystal displays (LCDs) have become mainstream display products and are widely used due to their advantages such as thinness, energy efficiency, and low radiation. Most LCDs on the market today are backlit LCDs, which consist of an LCD panel and a backlight module. The working principle of an LCD panel is to place liquid crystal molecules between two parallel glass substrates and apply a driving voltage to the two glass substrates to control the rotation direction of the liquid crystal molecules. This modulates the light emitted from the backlight module to form an image.

[0046] To enhance the unified visual experience, narrow bezels and borderless designs have gradually become important development directions for LCD displays. Following this trend, GOA (Gate Driver on Array) circuits have been widely adopted. GOA circuits use the same film deposition process as the thin-film transistors (TFTs) within the array substrate, and are fabricated simultaneously with the internal structure of the array substrate. This eliminates the cost of scan line driver chips and eliminates the need to solder flexible circuit boards to the edges of the LCD panel, thus reducing bezel width and simplifying module structure design.

[0047] However, traditional GOA circuits require etching signal lines on the side of the array substrate, which is prone to breakage due to process variations. Furthermore, the need to occupy space on the side of the array substrate makes it difficult to achieve truly narrow bezels and bezel-less designs. To address this, researchers attempted to move the GOA circuit to the back of the array substrate to reduce the space occupied on the side. However, this rear-mounted GOA circuit solution obstructs the optical path of the backlight module, reducing the light transmittance at the location of the GOA circuit. This disrupts the uniformity and consistency of brightness, negatively impacting the overall display effect.

[0048] To address the aforementioned issues, this application proposes a display module that places the GOA driving unit at the edge of the back side of the array substrate. Simultaneously, it utilizes the self-emissive functional layer to compensate for the light intensity in the area where the GOA driving unit is located. This approach achieves a back-mounted GOA driving unit solution while selectively enhancing the brightness of the area where the GOA driving unit is located, thus maintaining the consistency of the overall display effect.

[0049] Please see Figure 1 An embodiment of this application provides a display module comprising:

[0050] The array substrate 1 includes a light-incident surface 12 disposed facing the backlight module 2. The outer periphery of the light-incident surface 12 is a wiring area 121, and the inner periphery of the light-incident surface 12 is a light-incident area 122.

[0051] GOA driving unit 3 is disposed in wiring area 121; GOA driving unit 3 is electrically connected to the control circuit of array substrate 1.

[0052] The self-emissive functional layer 5 is disposed between the array substrate 1 and the GOA driving unit 3; the wiring area 31 of the GOA driving unit 3 is used as the cathode of the self-emissive functional layer 5.

[0053] The conductive layer 6 is disposed between the array substrate 1 and the self-emissive functional layer 5, and the conductive layer 6 serves as the anode of the self-emissive functional layer 5.

[0054] In this embodiment, with Figure 1Taking the orientation shown as an example, the backlight module 2 is horizontally positioned with its light emission direction facing upwards, and the array substrate 1 is positioned above the backlight module 2. The side of the array substrate 1 facing away from the backlight module 2 constitutes a pixel area 11, which is composed of many tiny pixels. Each pixel is further subdivided into three subpixels: red (R), green (G), and blue (B). These subpixels control the light transmittance through the liquid crystal layer 100, the color filter 200, and the color filter 300 (CF), thereby forming images of various colors. Specifically, the liquid crystal layer 100 is disposed on the side of the array substrate 1 facing away from the backlight module 2. The liquid crystal layer 100 is composed of liquid crystal molecules, which can change their alignment direction under the action of an electric field, thereby controlling the transmittance of the backlight light. Color filters 200 are located above the liquid crystal layer 100. The red filter (R) allows only red light to pass through, the green filter (G) allows only green light to pass through, and the blue filter (B) allows only blue light to pass through. Based on the filtering effect of the color filters 200, each sub-pixel can emit light of a specific color. The color filter 300 (CF) may include filters and other optical compensation layers. It not only ensures that each sub-pixel only transmits light of a specific color, but also optimizes the light distribution through the optical compensation layers, reducing color difference and improving display quality.

[0055] The side of the array substrate 1 facing the backlight module 2 forms a light-incident surface 12. The periphery of the light-incident surface 12 refers to the annular area at the edge of the light-incident surface 12. This annular area serves as the wiring area 121 for placing the GOA driving unit 3. This is equivalent to transferring the GOA driving unit 3, which is traditionally located on the side of the array substrate 1, to the back of the array substrate 1, reducing the occupation of the side area of ​​the array substrate 1. This can further reduce the bezel width of the display device by 5-8mm, realizing a narrow bezel or bezel-less design, and increasing the display area without changing the overall size of the display device. The GOA driving unit 3 is integrated into the wiring area 121 using the same film deposition process as the thin-film transistors (TFTs) in the array substrate 1. Its main function is to generate and transmit gate signals, and to activate each thin-film transistor through scanning, so that the corresponding pixels can receive data signals and display the correct brightness and color.

[0056] The inner perimeter of the light-incident surface 12 refers to the central region on the light-incident surface 12 that is surrounded by the wiring area 121. This central region is arranged opposite to the backlight module 2 to form the light-incident area 122.

[0057] like Figure 1As shown, the backlight module 2 is located within the orthogonal projection area of ​​the light-receiving area 122. The backlight module 2 can adopt a direct-lit backlight mode, and the light emission range of the backlight module 2 forms a fan-shaped area. Specifically, a portion of the backlight emitted by the backlight module 2 is located within the orthogonal projection area of ​​the light-receiving area 122. This portion of the backlight can be projected upwards to the central area of ​​the array substrate 1 after being processed by the corresponding optical structure. The other portion of the backlight emitted by the backlight module 2 can be projected laterally from the light-receiving area 122 to the wiring area 121 under normal conditions. This portion of the backlight is then projected onto the peripheral area of ​​the array substrate 1 after passing through the wiring area 121. Based on the above configuration, under normal use, the display brightness of the central area and the peripheral area of ​​the array substrate 1 tends to be consistent, and the array substrate 1 as a whole presents a uniform brightness display effect.

[0058] In this embodiment, since the GOA driving unit 3 is moved from the side of the array substrate 1 to the back of the array substrate 1, the back-mounted GOA driving unit 3 will block the backlight light projected from the light incident area 122 to the wiring area 121. This makes it difficult for the backlight light to enter the wiring area 121 normally according to the original light path, resulting in a decrease in the illumination intensity of the wiring area 121. Consequently, the display brightness of the outer area of ​​the array substrate 1 is significantly lower than that of the central area, which destroys the uniformity and consistency of the display brightness.

[0059] Based on the above problems, this embodiment provides a self-emissive functional layer 5 between the array substrate 1 and the GOA driving unit 3, and a conductive layer 6 between the self-emissive functional layer 5 and the array substrate 1. The conductive layer 6 serves as the anode and has the ability to stably transmit voltage. Its voltage access method can be flexibly selected according to actual needs. It can be electrically connected to the control circuit of the array substrate 1, with the array substrate 1 providing the working voltage to the conductive layer 6, or it can be provided with the working voltage by an independent external power supply. This embodiment does not limit this.

[0060] The wiring area trace 31 of the GOA driving unit 3 adopts a multiplexing design. On the one hand, the wiring area trace 31 of the GOA driving unit 3 is electrically connected to the gate driving terminal of the thin film transistor of the array substrate 1 to serve as the gate of the GOA driving unit 3 during normal operation. On the other hand, the wiring area trace 31 of the GOA driving unit 3 contacts the self-emissive functional layer 5 and serves as the cathode of the self-emissive functional layer 5, thereby forming the basic architecture of "anode (conductive layer 6) - self-emissive functional layer 5 - cathode (multiplexed wiring area trace 31 of GOA driving unit 3)".

[0061] Specifically, the wiring area trace 31 of the GOA driving unit 3 performs two core functions: First, the wiring area trace 31 of the GOA driving unit 3 is used to drive the thin-film transistors of the array substrate 1. The wiring area trace 31 adjusts its own potential by receiving control signals, thereby controlling the conduction and cutoff of the thin-film transistors and playing the role of a gate. Second, the wiring area trace 31 serves as the cathode of the self-emissive functional layer 5, and cooperates with the conductive layer 6, which serves as the anode, to form a voltage difference. When the anode and cathode are respectively connected to appropriate voltages and form an effective voltage difference, the self-emissive functional layer 5 will generate carrier injection, migration, and recombination due to this voltage difference, thereby releasing light energy to achieve the self-emissive function. The potential change of the wiring area trace 31 can also indirectly regulate the light emission state of the self-emissive functional layer 5, including the brightness change and light emission start-up and shutdown of the self-emissive functional layer 5.

[0062] It should be noted that the core characteristic of the self-emissive functional layer 5 is that it realizes the self-emissive function in response to the voltage difference between the anode and the cathode. Its internal structure and material composition are not specifically limited. The self-emissive functional layer 5 can be a single luminescent material layer to directly complete carrier recombination and luminescence under the action of voltage difference. The self-emissive functional layer 5 can also adopt a combination structure of multiple functional materials to optimize the luminous efficiency through the synergistic effect between the functional materials.

[0063] Based on the above settings, the light intensity of the wiring area 121 can be additionally compensated by the light emitted by the self-emissive functional layer 5. This can improve the light intensity of the wiring area 121, solve the problem of insufficient brightness in the wiring area 121 caused by the obstruction of the GOA driving unit 3, ensure the uniformity and consistency of the overall brightness of the display area, and improve the display effect while realizing the narrow bezel and bezel-less design.

[0064] More importantly, this solution directly reuses the wiring area trace 31 of the GOA driving unit 3 as the cathode of the self-emissive functional layer 5, thus eliminating the need to set an additional metal wiring layer (M3 layer) on the GOA driving unit 3. It should be noted that this metal wiring layer is specifically designed to serve as the cathode of the self-emissive functional layer 5. If an additional metal wiring layer is set on the GOA driving unit 3, the wiring area trace 31 of the GOA driving unit 3 needs to avoid this metal wiring layer, which requires a special design of a slit pattern to achieve the avoidance. Since this solution does not require an additional metal wiring layer, it avoids the waste of space caused by the slit pattern occupying additional wiring area 121 space, and eliminates the parasitic capacitance generated by the adjacent arrangement of the wiring area trace 31 of the GOA driving unit 3 and the metal wiring layer, thereby reducing the load pressure of the gate drive. At the same time, it also eliminates the independent film deposition, etching and other process steps of the metal wiring layer, reducing process complexity and production yield risk. It also eliminates the need to plan wiring separately for the metal wiring layer, thereby reducing the pin occupancy of the integrated circuit (IC) and the risk of fanout wiring congestion. Ultimately, it achieves structural simplification and cost reduction while optimizing the display effect.

[0065] Therefore, the display module provided in this embodiment places the GOA driving unit 3 in the wiring area 121 on the back of the array substrate 1 to reduce the occupation of the side area of ​​the array substrate 1, further reducing the bezel width of the display device and increasing the display area without changing the overall size of the display device. A self-emissive functional layer 5 and a conductive layer 6 are sequentially disposed between the GOA driving unit 3 and the array substrate 1, so that the conductive layer 6 is used as the anode of the self-emissive functional layer 5 and the wiring area trace 31 of the GOA driving unit 3 is reused as the cathode of the self-emissive functional layer 5. In this way, an additional self-emissive light source can be established in the wiring area 121. The voltage difference between the anode and the cathode can be used to realize the light emission function of the self-emissive functional layer 5. Thus, the light emitted by the self-emissive functional layer 5 can improve the illumination intensity of the wiring area 121, solve the problem of insufficient brightness in the wiring area 121 caused by the obstruction of the GOA driving unit 3, form a supplementary light effect on the edge position of the display area, ensure the uniformity and consistency of the overall brightness of the display area, and improve the display effect while realizing the narrow bezel and bezel-less design. Furthermore, since this embodiment directly reuses the wiring area trace 31 of the GOA driving unit 3 as the cathode of the self-emissive functional layer 5, there is no need to set an additional metal wiring layer on the GOA driving unit 3 specifically for acting as a cathode, nor is it necessary to design a slit pattern specifically to achieve the avoidance of the wiring area trace 31 of the GOA driving unit 3 by the metal wiring layer. This avoids the waste of space caused by the slit pattern occupying additional space in the wiring area 121, and eliminates the parasitic capacitance generated by the adjacent arrangement of the wiring area trace 31 of the GOA driving unit 3 and the metal wiring layer, thereby reducing the load pressure of the gate drive. At the same time, it also eliminates the independent film deposition, etching and other process steps of the metal wiring layer, reducing process complexity and production yield risk, and there is no need to plan the wiring separately for the metal wiring layer, thereby reducing the pin occupancy of the integrated circuit and the risk of fan-out area wire congestion. Finally, while optimizing the display effect, it also achieves structural simplification and cost reduction.

[0066] In one embodiment, refer to Figure 1 and Figure 2 The self-emissive functional layer 5 includes an electronic functional layer 51, an organic light-emitting layer 52, and a hole functional layer 53 stacked sequentially from bottom to top; the conductive layer 6 is disposed between the array substrate 1 and the hole functional layer 53.

[0067] The conductive layer 6, the hole functional layer 53, the organic light-emitting layer 52, the electronic functional layer 51, and the wiring area trace 31 together constitute the OLED light-emitting unit.

[0068] In this embodiment, the wiring area trace 31 of the GOA driving unit 3 is used as the cathode of the organic light-emitting diode (OLED). On this basis, an electronic functional layer 51, an organic light-emitting layer 52, and a hole functional layer 53 are sequentially deposited on the wiring area trace 31, and a conductive layer 6 is disposed on the hole functional layer 53, which serves as the anode of the organic light-emitting diode (OLED).

[0069] The main function of the electron functional layer 51 is to inject electrons when an electric field is applied, providing the necessary electron carriers for the self-luminescence process. The main function of the hole functional layer 53 is to inject holes when an electric field is applied, providing the necessary hole carriers for the self-luminescence process. When electrons and holes recombine in the organic light-emitting layer 52, light can be emitted efficiently, thereby realizing the self-luminescence function.

[0070] Based on the above configuration, when an appropriate external voltage is applied to the two poles of the OLED light-emitting unit through the driving chip of the display device, electrons can be generated in the electron functional layer 51 and injected into the organic light-emitting layer 52, while holes can be generated in the hole functional layer 53 and injected into the organic light-emitting layer 52. When electrons and holes recombine in the organic light-emitting layer 52, they can release energy and emit light in the form of light, thus realizing the self-emissive function. In this way, the self-emissive light can be used to compensate for the light intensity of the wiring area 121.

[0071] In the aforementioned electroluminescence process, the voltage applied by the driving chip can be output to the anode and cathode of the OLED light-emitting unit through external electrical connection devices or electrical connection structures, or through internal conductive channels penetrating the electronic functional layer 51, organic light-emitting layer 52, hole functional layer 53, and conductive layer 6. Similarly, the transmission of electrons and holes between the electronic functional layer 51, organic light-emitting layer 52, and hole functional layer 53 can be achieved through external electrical connection devices or electrical connection structures, or through internal conductive channels penetrating the electronic functional layer 51, organic light-emitting layer 52, hole functional layer 53, and conductive layer 6. In practical applications, the voltage can be flexibly configured according to the overall structural layout of the display module, and is not limited here.

[0072] In one embodiment, refer to Figure 1 and Figure 2 The electronic functional layer 51 is made of lithium fluoride (LiF). Lithium fluoride has a low work function, which can effectively inject electrons and improve electron transport efficiency, thereby enabling high-efficiency light emission of OLED light-emitting units. In addition, lithium fluoride has good chemical stability and can maintain stable performance under the action of an electric field for a long time, thereby extending the service life of the display module.

[0073] In one embodiment, refer to Figure 1 and Figure 2The organic light-emitting layer 52 is made of phenanthrimidazole-anthracene-pyrene (PiAnPy) material. Phenanthrimidazole-anthracene-pyrene has excellent luminous efficiency and spectral characteristics, enabling it to emit bright light at lower driving voltages, thereby reducing energy consumption and improving display quality. Simultaneously, phenanthrimidazole-anthracene-pyrene exhibits good thermal and chemical stability, maintaining stable luminous performance under high temperature and long-term operating conditions.

[0074] In one embodiment, refer to Figure 1 and Figure 2 The hole functional layer 53 is made of polyfluorene derivative (TFB) material. Polyfluorene derivative has a high hole mobility, which can effectively inject and transport holes, forming an effective charge balance with the electrons in the electronic functional layer 51, thereby improving the luminous efficiency. In addition, polyfluorene derivative has good film-forming properties and can form a uniform film, which helps to improve the uniformity and consistency of the device.

[0075] In one embodiment, refer to Figure 1 and Figure 2 The conductive layer 6 is made of indium tin oxide (ITO). Indium tin oxide is a transparent conductive material with good electrical conductivity and optical transmittance. During the self-luminescence process, indium tin oxide acts as an anode, effectively injecting holes, and its transparency does not block light transmission; at the same time, indium tin oxide has good chemical stability and can maintain stable electrical properties under various environmental conditions.

[0076] In one embodiment, refer to Figure 2 , Figure 5 and Figure 6 The control circuit of the array substrate 1 is used to transmit timing control signals to the GOA driving unit 3 to drive the voltage of the wiring area trace 31 to change.

[0077] When the voltage of the wiring area trace 31 is less than the voltage of the conductive layer 6, the self-emissive functional layer 5 emits light; when the voltage of the wiring area trace 31 is greater than the voltage of the conductive layer 6, the self-emissive functional layer 5 clears residual charge.

[0078] This embodiment uses voltage changes in the wiring area 31 to achieve timing control of the self-emissive functional layer 5, thereby completing the light-emitting operation and residual charge removal operation of the self-emissive functional layer 5. The specific control process is as follows:

[0079] The wiring trace 31 retains its reuse design, serving both as the driver for the thin-film transistors of the array substrate 1 and as the cathode of the self-emissive functional layer 5. The conductive layer 6, acting as the anode of the self-emissive functional layer 5, maintains a stable voltage. When the control circuit of the array substrate 1 outputs a voltage lower than that of the conductive layer 6 to the wiring trace 31, a forward bias is formed between the anode and cathode. At this time, charge carriers can be smoothly injected, migrated, and recombine within the self-emissive functional layer 5, releasing light energy to achieve the light-emitting function. When the control circuit of the array substrate 1 outputs a voltage higher than that of the conductive layer 6 to the wiring trace 31, the anode and cathode switch to a reverse bias. The reverse electric field drives the residual charges that are not fully recombinated within the self-emissive functional layer 5 to detach, preventing charge accumulation and affecting subsequent light-emitting efficiency.

[0080] by Figure 6 Taking the timing control diagram shown as an example, assuming that the voltage of the conductive layer 6 (anode) is always stable at +6~10V, the voltage of the wiring area trace 31 (cathode) dynamically changes according to the timing of the control signal, and the high and low level switching of the clock signal (CK) corresponds to the adjustment cycle of the gate voltage. When the clock signal (CK) is in the high level stage, the control circuit of the array substrate 1 outputs a -6V voltage to the wiring area trace 31; at this time, the voltage of the wiring area trace 31 (-6V) is lower than the voltage of the conductive layer 6 (+6~10V), the anode and cathode form a forward bias, the carriers in the self-emissive functional layer 5 are rapidly injected and recombine, and the self-emissive functional layer 5 can emit light to supplement the wiring area 121.

[0081] When the clock signal (CK) switches to the low level stage, the control circuit adjusts the voltage of the wiring area trace 31 to 28V. At this time, the voltage of the wiring area trace 31 (28V) is higher than the voltage of the conductive layer 6 (+6~10V). The anode and cathode form a reverse bias. The reverse electric field forces the uncombined residual charges (such as uncombined holes and electrons) in the self-luminous functional layer 5 to move to the two poles and release them, which can avoid the long-term accumulation of charges and the resulting decay of luminous efficiency.

[0082] Based on the above timing control design, the problem of brightness decay caused by residual charge in traditional self-emissive modules is solved, and the structural simplification advantage brought by the multiplexing wiring area 31 is continued, thereby further improving the luminous stability of the display module and extending its service life.

[0083] In one embodiment, refer to Figure 1 and Figure 2 The display module further includes a light guide module 4, which is disposed between the array substrate 1 and the GOA driving unit 3; the light guide module 4 is used to conduct the backlight light emitted by the backlight module 2 to the wiring area 121.

[0084] In this embodiment, the light guide module 4 has at least a light-incident portion facing the backlight module 2 and a light-outceasing portion facing the wiring area 121. The light guide module 4 can perform refraction, scattering, and other operations on the backlight light through corresponding optical devices to adjust the propagation path of the backlight light, allowing the backlight light to bypass the GOA driving unit 3 and smoothly enter the wiring area 121. Based on this structural configuration, when a portion of the backlight light emitted from the backlight module 2 is laterally projected from the light-incident portion 122 to the wiring area 121, this portion of the backlight light will first enter the light guide module 4. The backlight light entering the light guide module 4 will be guided by the light guide module 4 and emitted along the adjusted propagation path. That is, this portion of the backlight light can bypass the GOA driving unit 3 along the adjusted propagation path and smoothly enter the wiring area 121, thereby solving the problem of the GOA driving unit 3 blocking the backlight light and enhancing the brightness of the wiring area 121.

[0085] Based on the above-mentioned configuration of the light guide module 4, the backlight light projected from the backlight module 2 along the side can be accurately guided into the wiring area 121 along the adjusted propagation path. This part of the backlight light will form a synergistic and complementary effect with the light emitted by the self-emissive functional layer 5, which can significantly improve the illumination intensity of the wiring area 121, solve the problem of insufficient brightness in the wiring area 121 caused by the obstruction of the GOA driving unit 3, ensure the uniformity and consistency of the overall brightness of the display area, and improve the display effect while realizing the narrow bezel and bezel-less design.

[0086] In one embodiment, refer to Figure 3 and Figure 4 The backlight module 2 includes a backlight source 21 and an optical film assembly 22, the optical film assembly 22 covering the backlight source 21; the optical film assembly 22 has a forward light guide 22a and a side light guide 22b, the forward light guide 22a is used to project a portion of the backlight light emitted by the backlight source 21 vertically to the light incident area 122, and the side light guide 22b is used to project a portion of the backlight light emitted by the backlight source 21 laterally to the light guide module 4.

[0087] Specifically, the backlight 21 can be a light-emitting device such as a light-emitting diode, and multiple backlights 21 are arranged in an array along a horizontal plane, with the light emission direction of the backlight 21 facing the array substrate 1.

[0088] like Figure 4As shown, the optical film assembly 22 may include a first light guide plate 221, a first lower diffuser 222, a first prism sheet 223, and a first upper diffuser 224, which are sequentially stacked on the backlight 21. The first light guide plate 221 is used to uniformly transmit the backlight emitted by the backlight 21 to the target area. The main function of the first lower diffuser 222 is to initially diffuse the light, reducing light concentration and uneven distribution, allowing the light to enter the subsequent optical film layers more evenly. The first prism sheet 223 can adjust the direction of the light through its optical structure (such as a microprism array), enabling the light to be transmitted to the display area more effectively, improving light utilization and transmission efficiency. The first upper diffuser 224 can further diffuse the light adjusted by the first prism sheet 223, ensuring uniform light distribution in the display area, reducing light scattering and unevenness, and ultimately improving the uniformity of brightness throughout the display area.

[0089] In this embodiment, the optical diaphragm assembly 22 can be molded as a whole, so that the optical diaphragm assembly 22 is formed as shown in the figure. Figure 3 and Figure 4 The optical film assembly 22 is shown as a convex structure with an upward bulge in the middle and downward extension at the edges, covering the backlight 21. The backlight 21 is located in a recessed cavity on the lower side of the optical film assembly 22. When the optical film assembly 22 is configured as the above-mentioned convex structure, the optical film assembly 22 can form obvious forward light guide 22a and side light guide 22b. The forward light guide 22a is positioned towards the array substrate 1, and the side light guide 22b is positioned towards the light guide module 4. The forward light guide 22a can project a portion of the backlight emitted by the backlight 21 onto the incident light area 122, thereby ensuring the illumination intensity of the central area of ​​the array substrate 1. The side light guide 22b can project another portion of the backlight emitted by the backlight 21 laterally onto the light guide module 4, thereby ensuring that this portion of the backlight can efficiently escape from the side and accurately enter the light guide module 4, and then be accurately projected onto the wiring area 121 through the guiding effect of the light guide module 4, thereby ensuring the illumination intensity of the outer area of ​​the array substrate 1.

[0090] Based on the above solution, the side light guiding section 22b of the optical film assembly 22 can be used to improve the side light guiding efficiency, so that a portion of the backlight emitted by the backlight 21 can be efficiently and accurately projected to the light guide module 4 along the side through the side light guiding section 22b. This optimizes the distribution of backlight, reduces the loss and waste of backlight, and further enhances the illumination compensation effect on the wiring area 121, thereby further improving the brightness uniformity and consistency of the entire display area.

[0091] Preferably, such as Figure 3 and Figure 4As shown, a first reflector 23 is also provided below the backlight 21. The first reflector 23 can reflect the stray light scattered downwards to the optical film assembly 22, thereby reducing the loss of backlight light, improving the utilization rate of backlight light and the optical efficiency of the entire system, and thus indirectly enhancing the illumination compensation effect on the wiring area 121.

[0092] In one embodiment, refer to Figure 2 and Figure 3 The light guide module 4 includes an optical film structure 41 and a light guide structure 42. The optical film structure 41 is disposed between the array substrate 1 and the GOA driving unit 3, and the optical film structure 41 surrounds the backlight module 2. The light guide structure 42 is disposed on the side of the optical film structure 41 facing away from the array substrate 1, and the light guide structure 42 surrounds the backlight module 2. The light guide structure 42 is used to conduct the backlight light emitted by the backlight module 2 to the optical film structure 41, so as to diffuse the backlight light to the wiring area 121 through the optical film structure 41.

[0093] In this embodiment, an optical diaphragm structure 41 is disposed in the wiring area 121. The optical diaphragm structure 41 surrounds the backlight module 2 to form a closed-loop structure. The GOA driving unit 3 is located on the periphery of the optical diaphragm structure 41, and the light guide structure 42 is located on the inner periphery of the optical diaphragm structure 41. The inner periphery of the light guide structure 42 is disposed towards the lateral light-emitting portion of the backlight module 2; specifically, as shown... Figure 3 As shown, when the backlight module 2 includes a backlight 21 and an optical film assembly 22, the inner periphery of the light guide structure 42 is disposed toward the lateral light guide portion 22b of the optical film assembly 22.

[0094] The light guide structure 42 can refract and scatter the backlight light through corresponding optical devices, so that the backlight light emitted by the backlight module 2 can be accurately projected to the position of the optical film structure 41 under the guidance of the light guide structure 42 after being emitted laterally. The optical film structure 41 can homogenize this part of the backlight light to ensure the uniform distribution of the diffused backlight light in the display area, thereby ensuring the uniformity of light output in the outer area of ​​the array substrate 1.

[0095] Furthermore, such as Figure 2 and Figure 3As shown, the light guide structure 42 includes a second light guide plate 421 and a second reflective sheet 422. The outer periphery of the second light guide plate 421 is adjacent to the GOA driving unit 3, and the inner periphery of the second light guide plate 421 is adjacent to the backlight module 2. The upper side of the second light guide plate 421 is attached to the optical film structure 41, and the lower side of the second light guide plate 421 is set as an inclined structure that gradually rises from the inside to the outside. The second reflective sheet 422 is attached to the lower side of the second light guide plate 421. When a portion of the backlight light emitted by the backlight module 2 is emitted laterally and reaches the second light guide plate 421, this portion of the backlight light can be precisely projected onto the position of the optical film structure 41 under the refraction effect of the tilted structure of the second light guide plate 421. The second reflector 422 can reflect the stray light scattered downward in the second light guide plate 421 upward, so that this portion of the stray light returns to the second light guide plate 421 and is re-projected onto the optical film structure 41, thereby reducing the loss of backlight light and improving the utilization rate of backlight light.

[0096] Furthermore, such as Figure 2 and Figure 3 As shown, the optical film structure 41 includes a second lower diffuser 411, a second prism sheet 412, and a second upper diffuser 413 stacked sequentially. The main function of the second lower diffuser 411 is to initially diffuse the light projected onto the optical film structure 41 by the light guide structure 42, reducing light concentration and uneven distribution, and allowing the light to enter subsequent optical film layers more evenly. The second prism sheet 412 can adjust the direction of the light through its optical structure (such as a microprism array), enabling the light to be transmitted to the display area more effectively, improving light utilization and transmission efficiency. The second upper diffuser 413 can further diffuse the light adjusted by the second prism sheet 412, ensuring uniform light distribution in the display area, reducing light scattering and unevenness, and ultimately improving the uniformity of brightness throughout the display area.

[0097] In one embodiment, refer to Figure 2 and Figure 3 The self-emissive functional layer 5 is configured as a plurality of spaced first strip structures, and the plurality of first strip structures are spacedly embedded in the optical film structure 41. The first strip structures and the wiring area traces 31 at least partially overlap in the orthogonal projection area of ​​the array substrate 1.

[0098] In this embodiment, as Figure 2 and Figure 3 As shown, the self-emissive functional layer 5 is divided into multiple first strip structures, which are arranged horizontally from the inside to the outside between the array substrate 1 and the GOA driving unit 3; the optical film structure 41 can be divided into multiple second strip structures, which are interposed in the space between two adjacent first strip structures.

[0099] When the above-mentioned strip splicing scheme is adopted between the self-emissive functional layer 5 and the optical film structure 41, it can be ensured that the self-emissive functional layer 5 and the optical film structure 41 can be evenly distributed in the area between the array substrate 1 and the GOA driving unit 3. This ensures that the backlight and self-emissive light of the wiring area 121 can be evenly mixed and complement each other, thereby further improving the lighting effect of the wiring area 121.

[0100] Furthermore, the first strip structure and the wiring area trace 31 at least partially overlap in the orthographic projection area of ​​the array substrate 1, thus ensuring the electrical connection stability between the self-emissive functional layer 5 and the wiring area trace 31.

[0101] In one embodiment, refer to Figures 1 to 3 The self-emissive functional layer 5 is configured with multiple self-emissive monomer structures (not shown in the figure), and the multiple self-emissive monomer structures are arranged at intervals along the bus direction of the GOA driving unit 3; the length of each self-emissive monomer structure in the bus direction is 1~2mm, and the gap between two adjacent self-emissive monomer structures is 18~22μm.

[0102] In this embodiment, the self-emissive functional layer 5 is configured as multiple spaced-apart self-emissive unit structures. All self-emissive unit structures are spaced along the bus direction of the GOA driving unit 3, and the length direction of each self-emissive unit structure is parallel to the bus direction. The length of each self-emissive unit structure in the bus direction is controlled to be 1-2 mm. This size design ensures that each self-emissive unit structure has sufficient light-emitting area to provide adequate supplementary lighting for the corresponding area in the wiring area 121, while avoiding uneven voltage distribution at both ends of the self-emissive unit structure due to excessive length, thus preventing differences in brightness. The gap between two adjacent self-emissive unit structures is controlled to be 18-22 μm, with a preferred gap value of 20 μm in practical applications. This gap range meets the precision requirements of photolithography and etching processes (avoiding adhesion between adjacent units due to excessively narrow gaps, affecting independent light emission), while also avoiding brightness breaks due to excessively wide gaps, ensuring the continuity and uniformity of overall supplementary lighting in the wiring area 121.

[0103] Since each self-emissive unit structure independently contacts the conductive layer 6 and the wiring area trace 31 of the GOA driving unit 3, when the wiring area trace 31 of the GOA driving unit 3 outputs a forward bias voltage in sequence, all self-emissive unit structures can emit light synchronously to form a continuous supplementary light band. If there is uneven brightness in a local area of ​​the wiring area 121 due to differences in the shading of the GOA driving unit 3, targeted supplementary light can be achieved by finely adjusting the voltage corresponding to the local self-emissive unit structure (such as increasing the voltage of the self-emissive unit structure in the more severely shaded area to enhance the luminous intensity). At the same time, the segmented unit structure design described above is easier to adapt to the complex layout of the wiring area 121 compared to the whole-layer self-emissive functional layer 5, reducing the difficulty of structural design.

[0104] In one embodiment, refer to Figure 2 , Figure 3 and Figure 5 The self-emissive functional layer 5 is provided with a through-hole 7, and the two ends of the through-hole 7 are connected to the control circuit and the GOA driving unit 3 respectively; the through-hole 7 is filled with conductive material 8, and the control circuit is electrically connected to the GOA driving unit 3 through the conductive material 8.

[0105] Specifically, such as Figure 2 and Figure 3 As shown, when the self-emissive functional layer 5 includes an electronic functional layer 51, an organic light-emitting layer 52, and a hole functional layer 53, the interconnect via 7 can penetrate the electronic functional layer 51, the organic light-emitting layer 52, the hole functional layer 53, and the conductive layer 6. The upper end of the interconnect via 7 is connected to the control circuit of the array substrate 1, and the lower end of the interconnect via 7 is connected to the GOA driving unit 3. Thus, after filling the interconnect via 7 with conductive material 8, both the control circuit of the array substrate 1 and the GOA driving unit 3 can contact the conductive material 8, thereby achieving electrical conduction between the control circuit of the array substrate 1 and the GOA driving unit 3 through the conductive material 8.

[0106] Based on the above configuration, the control circuit of the array substrate 1 can directly control the GOA driving unit 3 through the internal conductive channel formed by the conductive material 8. During the self-emissive control process, the voltage applied by the control circuit can be output to the anode and cathode of the OLED light-emitting unit through the internal conductive channel. In addition, the conductive material 8 can also serve as an internal transport channel for the transmission of electrons and holes between the electron functional layer 51, the organic light-emitting layer 52, and the hole functional layer 53, that is, it provides a carrier injection channel for the anode and cathode of the OLED light-emitting unit.

[0107] This embodiment establishes a short-distance, low-impedance electrical path between the control circuit of the array substrate 1 and the GOA driving unit 3 by means of film layer opening, realizing three-dimensional interconnection between the GOA driving unit 3 and the pixel area 11 on the front side of the array substrate 1. It eliminates the need to use a bent flexible circuit board (FPC) or complete the electrical connection by side etching circuit, thereby reducing the occupation of side space. The vertical connection shortens the transmission distance, reduces the impedance of the signal transmission path, reduces the signal delay of the GOA driving unit 3, and eliminates the risks of the side etching process.

[0108] In one embodiment, refer to Figure 2 , Figure 3 and Figure 5 The conductive material 8 is set as nano-silver.

[0109] Specifically, highly conductive silver nanoparticles (conductivity > 6 × 10⁻⁶) can be used. 7 The S / m) is injected into the interconnect via 7 to form nano-silver conductive material 8. In this way, the high conductivity of nano-silver can be used to significantly reduce the impedance of the signal transmission path and reduce the signal delay of the GOA driving unit 3, thereby further improving the efficiency and stability of signal transmission.

[0110] In one embodiment, refer to Figure 2 , Figure 3 and Figure 5 The display module also includes an insulating material layer 10, which is separated between the conductive material 8 and the hole wall of the interconnecting via 7.

[0111] In this embodiment, interconnect vias 7 can be formed by etching in the self-emissive functional layer 5 through an etching process. Then, insulating materials such as silicon nitride are filled into the interconnect vias 7, and the insulating materials are cured to form an insulating material layer 10. Then, a via structure is formed in the insulating material layer 10 by a second etching process. Finally, conductive material 8 is filled into the via structure. At this time, the insulating material layer 10 can form a barrier layer between the conductive material 8 and the hole wall of the interconnect via 7.

[0112] By setting the insulating material layer 10, on the one hand, an electrical barrier is formed between the conductive material 8 and the films surrounding the self-emissive functional layer 5 and the conductive layer 6, preventing the conductive material 8 from directly contacting the corresponding films and causing leakage problems, and effectively preventing the light-emitting function of the self-emissive functional layer 5 from being interfered with or failing; on the other hand, it can protect the signal path between the control circuit of the array substrate 1 and the GOA driving unit 3, avoid interlayer signal crosstalk, improve the stability of the timing control signal transmitted by the control circuit of the array substrate 1 to the wiring area trace 31 of the GOA driving unit 3 through the conductive material 8, and thus improve the reliability of the circuit interconnection of the display module and the stability of the self-emissive display.

[0113] In one embodiment, refer to Figures 1 to 3 The display module also includes a heat dissipation bracket 9, which is connected to the GOA drive unit 3 and the conductive material 8. The heat dissipation bracket 9 is provided with a liquid cooling channel.

[0114] To effectively manage the heat generated in the area where the GOA drive unit 3 is located, ensuring stable operating efficiency under high load or high temperature conditions and avoiding performance degradation, this embodiment provides a high-efficiency thermal management system. Specifically, a heat sink 9 can be integrated into the bottom of the GOA drive unit 3. The heat sink 9 can be made of copper alloy, and a 200μm wide micro liquid cooling channel can be set inside the heat sink 9. This ensures that the heat sink 9 can directly contact the key heat source in the area where the GOA drive unit 3 is located, thereby achieving efficient heat conduction.

[0115] The heat sink 9 is positioned directly opposite the interconnect via 7 and contacts the lower end of the conductive material 8, thus working together to form an efficient thermal management path. First, the heat sink 9 has excellent thermal conductivity, providing a large area for heat conduction, enabling rapid heat transfer from the area containing the GOA driving unit 3 to the outside. Second, when the conductive material 8 uses nano-silver, its high thermal conductivity further accelerates the vertical heat dissipation, ensuring that heat from the area containing the GOA driving unit 3 can be quickly conducted to the heat sink 9 through the nano-silver in the interconnect via 7. Finally, this heat dissipation architecture significantly reduces the overall thermal resistance from the area containing the GOA driving unit 3 to the external environment, thereby ensuring that the OLED light-emitting unit integrated in the area containing the GOA driving unit 3 maintains stable luminous efficiency under high load or high temperature conditions, avoiding performance degradation due to overheating.

[0116] Based on the above settings, the display module can not only maintain good performance under normal working conditions, but also operate stably under high load or high temperature environments, thereby improving the operational reliability of the display module and extending its service life.

[0117] This application also provides a display device; please refer to [link / reference]. Figures 1 to 6 The display device includes the display module in any of the above embodiments.

[0118] In this embodiment, the display device may include terminal devices with display functions such as televisions, mobile phones, and tablet computers.

[0119] For details regarding the specific structure of the display module, please refer to the description in the above embodiments. Since the display device in this embodiment adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments. That is, the GOA driving unit 3 is set in the wiring area 121 on the back of the array substrate 1 to reduce the occupation of the side area of ​​the array substrate 1, further reduce the bezel width of the display device, and expand the display area without changing the overall size of the display device; and a self-emissive functional layer 5 and a conductive layer 6 are sequentially set between the GOA driving unit 3 and the array substrate 1, so that the conductive layer 6 is used as the anode of the self-emissive functional layer 5, and the wiring area trace 31 of the GOA driving unit 3 is reused as the cathode of the self-emissive functional layer 5. In this way, an additional self-emissive light source can be established in the wiring area 121. The voltage difference between the anode and the cathode can be used to realize the light emission function of the self-emissive functional layer 5, thereby increasing the illumination intensity of the wiring area 121 through the light emitted by the self-emissive functional layer 5, solving the problem of insufficient brightness in the wiring area 121 caused by the blocking of the GOA driving unit 3, forming a supplementary light effect on the edge position of the display area, ensuring the uniformity and consistency of the overall brightness of the display area, and improving the display effect while realizing the narrow bezel and bezel-less design. Furthermore, since this embodiment directly reuses the wiring area trace 31 of the GOA driving unit 3 as the cathode of the self-emissive functional layer 5, there is no need to set an additional metal wiring layer on the GOA driving unit 3 specifically for acting as a cathode, nor is it necessary to design a slit pattern specifically to achieve the avoidance of the wiring area trace 31 of the GOA driving unit 3 by the metal wiring layer. This avoids the waste of space caused by the slit pattern occupying additional space in the wiring area 121, and eliminates the parasitic capacitance generated by the adjacent arrangement of the wiring area trace 31 of the GOA driving unit 3 and the metal wiring layer, thereby reducing the load pressure of the gate drive. At the same time, it also eliminates the independent film deposition, etching and other process steps of the metal wiring layer, reducing process complexity and production yield risk, and there is no need to plan the wiring separately for the metal wiring layer, thereby reducing the pin occupancy of the integrated circuit and the risk of fan-out area wire congestion. Finally, while optimizing the display effect, it also achieves structural simplification and cost reduction.

[0120] The above description is merely an exemplary embodiment of this application and does not limit the patent scope of this application. Any equivalent structural transformations made based on the technical concept of this application and the contents of the specification and drawings of this application, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this application.

Claims

1. A display module, characterized in that, The display module includes: An array substrate, the array substrate including a light-incident surface disposed toward a backlight module, the periphery of the light-incident surface being a wiring area, and the inner periphery of the light-incident surface being a light-incident area; GOA driving unit, the GOA driving unit is disposed in the wiring area; the GOA driving unit is electrically connected to the control circuit of the array substrate; A self-emissive functional layer is disposed between the array substrate and the GOA driving unit; the wiring area of ​​the GOA driving unit serves as the cathode of the self-emissive functional layer. A conductive layer is disposed between the array substrate and the self-emissive functional layer, and the conductive layer serves as the anode of the self-emissive functional layer.

2. The display module according to claim 1, characterized in that, The self-emissive functional layer includes an electronic functional layer, an organic light-emitting layer, and a hole functional layer stacked sequentially from bottom to top; the conductive layer is disposed between the array substrate and the hole functional layer. The conductive layer, the hole-functional layer, the organic light-emitting layer, the electronic functional layer, and the wiring area together constitute an OLED light-emitting unit.

3. The display module according to claim 2, characterized in that, The control circuit is used to transmit timing control signals to the GOA driving unit to drive the voltage of the wiring area traces to change. When the voltage of the wiring area is less than the voltage of the conductive layer, the self-emissive functional layer emits light; When the voltage of the wiring area is greater than the voltage of the conductive layer, the self-emissive functional layer removes residual charge.

4. The display module according to claim 1, characterized in that, The display module further includes a light guide module, which is disposed between the array substrate and the GOA driving unit; the light guide module is used to conduct the backlight light emitted by the backlight module to the wiring area.

5. The display module according to claim 4, characterized in that, The light guide module includes an optical film structure and a light guide structure; the optical film structure is disposed between the array substrate and the GOA driving unit, and the optical film structure surrounds the backlight module; the light guide structure is disposed on the side of the optical film structure facing away from the array substrate, and the light guide structure surrounds the backlight module; the light guide structure is used to conduct the backlight light emitted by the backlight module to the optical film structure, so as to diffuse the backlight light to the wiring area through the optical film structure; And / or, the backlight module includes a backlight source and an optical film assembly, the optical film assembly covering the backlight source; the optical film assembly has a forward light guide and a side light guide, the forward light guide is used to project a portion of the backlight light emitted by the backlight source vertically to the light incident area, and the side light guide is used to project a portion of the backlight light emitted by the backlight source laterally to the light guide module.

6. The display module according to claim 5, characterized in that, The self-emissive functional layer is configured as a plurality of spaced first strip structures, which are spaced and embedded in the optical film structure. The first strip structures and the wiring area traces at least partially overlap in the orthographic projection area of ​​the array substrate.

7. The display module according to any one of claims 1 to 6, characterized in that, The self-emissive functional layer is configured as multiple self-emissive monomer structures, and the multiple self-emissive monomer structures are arranged at intervals along the bus direction of the GOA driving unit; Each of the self-emissive monomer structures has a length of 1-2 mm in the bus direction, and the gap between two adjacent self-emissive monomer structures is 18-22 μm.

8. The display module according to any one of claims 1 to 6, characterized in that, The self-emissive functional layer is provided with through-holes, and the two ends of the through-holes are respectively connected to the control circuit and the GOA driving unit; the through-holes are filled with conductive material, and the control circuit is electrically connected to the GOA driving unit through the conductive material.

9. The display module according to claim 8, characterized in that, The conductive material is configured as nano-silver; And / or, the display module further includes an insulating material layer, which is separated between the conductive material and the wall of the interconnecting via; And / or, the display module further includes a heat dissipation bracket, which is connected to the GOA driving unit and the conductive material, and the heat dissipation bracket is provided with a liquid cooling channel.

10. A display device, characterized in that, The display device includes a display module as described in any one of claims 1 to 9.

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