Display panel and display device

Abstract

The invention discloses a display panel and a display device. The display panel comprises a substrate and a light-emitting structure, and the light-emitting structure is located on the surface of the substrate and comprises a light-emitting unit and a gravity center stabilizing structure; the gravity center stabilizing structure is used for increasing the weight of the light-emitting structure so as to improve the structural stability of the light-emitting structure. According to the technical scheme provided by the embodiment of the invention, mutual crosstalk of light sources between adjacent light-emitting structures is avoided, the light emitting efficiency of the light-emitting structures is improved, and the display effect of the screen body is further improved.

Description

Technical Field

[0001] Embodiments of the present invention relate to the field of semiconductor technology, and in particular, to a display panel and a display device. Background Art

[0002] In recent years, with the development of display technology, more and more attention has been paid to the display effect of the display screen. As a light-emitting structure, its inherent properties and related processes have an inestimable impact on the display effect of the screen body.

[0003] However, in the existing display panels, the screen body often has problems such as brightness non-uniformity like stippling and mura; there is a problem of light source crosstalk between adjacent light-emitting structures; and there are problems such as low light extraction efficiency of the light-emitting structure. Summary of the Invention

[0004] In view of this, embodiments of the present invention provide a display panel and a display device to improve the display effect of the screen body, avoid light source crosstalk between adjacent light-emitting structures, and improve the light extraction efficiency of the light-emitting structure.

[0005] Embodiments of the present invention provide a display panel, including:

[0006] A substrate;

[0007] A light-emitting structure located on the surface of the substrate, the light-emitting structure including a light-emitting unit and a center-of-gravity stabilizing structure;

[0008] The center-of-gravity stabilizing structure is used to increase the weight of the light-emitting structure to improve the structural stability of the light-emitting structure.

[0009] In this technical solution, the light-emitting structure includes a light-emitting unit and a center-of-gravity stabilizing structure. The center-of-gravity stabilizing structure increases the weight of the light-emitting structure, thereby improving the structural stability of the light-emitting structure, reducing the tilt angle during the process of fixing the light-emitting structure to the surface of the substrate, avoiding the rotation, tilt or even flipping of the light-emitting structure, enabling the light-emitting structure to have a stable light extraction angle, and further avoiding problems such as brightness non-uniformity like stippling and mura and light source crosstalk between adjacent light-emitting structures on the screen body, improving the light extraction efficiency of the light-emitting structure and the utilization rate of the light source, and thus improving the brightness uniformity and display effect of the screen body.

[0010] Optionally, the light-emitting unit includes a first surface, a second surface and a side surface, the first surface and the second surface are oppositely arranged, the side surface connects the first surface and the second surface, and the first surface of the light-emitting unit is the surface close to the substrate;

[0011] The setting methods of the center-of-gravity stabilizing structure include at least one of the following: the center-of-gravity stabilizing structure is arranged on the first surface side of the light-emitting unit, the center-of-gravity stabilizing structure is arranged on the second surface side of the light-emitting unit, and the center-of-gravity stabilizing structure is arranged around the side surface of the light-emitting unit.

[0012] This technical solution increases the flexibility of the position setting of the center-of-gravity stabilizing structure. When the center-of-gravity stabilizing structure is arranged on the first surface side of the light-emitting unit, that is, the center-of-gravity stabilizing structure is closer to the substrate that supports the light-emitting structure, the structural stability of the light-emitting structure is higher. The center-of-gravity stabilizing structure is arranged on the first surface side of the light-emitting unit and / or the center-of-gravity stabilizing structure is arranged around the side surface of the light-emitting unit, which avoids the influence of the center-of-gravity stabilizing structure on the light extraction efficiency of the light-emitting unit, and improves the light extraction efficiency of the light-emitting structure and the utilization rate of the light source.

[0013] Optionally, the density of the center-of-gravity stabilizing structure is greater than the density of the light-emitting unit.

[0014] In this technical solution, since the density of the center-of-gravity stabilizing structure is greater than the density of the light-emitting unit, the center of gravity of the entire light-emitting structure is closer to the substrate. Based on the substrate, the above technical solution makes the center of gravity of the entire light-emitting structure closer to the substrate, which is equivalent to lowering the center of gravity of the light-emitting structure. According to the principle of minimum potential energy, the lower the center of gravity of an object, the more stable its structure. On the basis that the center-of-gravity stabilizing structure increases the weight of the light-emitting structure, the above technical solution makes the center of gravity of the light-emitting structure closer to the substrate, further improving the structural stability of the light-emitting structure, reducing the tilt angle during the process of fixing the light-emitting structure on the substrate surface, avoiding the rotation, tilt or even flip of the light-emitting structure, making the light-emitting structure have a stable light extraction angle, and thus avoiding problems such as bright spots, mura and other brightness non-uniformity and light source crosstalk between adjacent light-emitting structures on the screen body, improving the light extraction efficiency of the light-emitting structure and the utilization rate of the light source, and thereby improving the brightness uniformity and display effect of the screen body.

[0015] Optionally, the density of the center-of-gravity stabilizing structure is less than the density of the light-emitting unit. Further, the light-emitting structure further includes a packaging layer covering the light-emitting unit, and the density of the center-of-gravity stabilizing structure is greater than the density of the packaging layer.

[0016] Based on the fact that the weight of the light-emitting structure is increased in the center-of-gravity stabilizing structure, when the density of the center-of-gravity stabilizing structure is less than the density of the light-emitting unit and greater than the density of the encapsulation layer, the density of the center-of-gravity stabilizing structure is between the density of the light-emitting unit and the density of the encapsulation layer. On the basis of increasing the weight of the light-emitting structure, the position of the center of gravity of the light-emitting structure is adjusted, further improving the overall structural stability of the light-emitting structure, reducing the tilt angle during the process of fixing the light-emitting structure on the substrate surface, avoiding the rotation, tilt or even flipping of the light-emitting structure, enabling the light-emitting structure to have a stable light-emitting angle, thereby avoiding problems such as bright spots, mura and other brightness non-uniformities and light source crosstalk between adjacent light-emitting structures, improving the light-emitting efficiency of the light-emitting structure and the utilization rate of the light source, and thus improving the brightness uniformity and display effect of the screen.

[0017] Optionally, the light-emitting structure further includes an encapsulation layer covering the light-emitting unit. The positional relationship of the center-of-gravity stabilizing structure includes at least one of the center-of-gravity stabilizing structure being located between the encapsulation layer and the light-emitting unit, the center-of-gravity stabilizing structure being located on the side of the encapsulation layer away from the light-emitting unit, and the center-of-gravity stabilizing structure being located within the encapsulation layer, thereby broadening the positional relationship of the center-of-gravity stabilizing structure in the light-emitting structure and increasing the flexibility of setting the center-of-gravity stabilizing structure.

[0018] Preferably, the center-of-gravity stabilizing structure is reused as a part of the encapsulation layer.

[0019] In this technical solution, when the center-of-gravity stabilizing structure has the function of blocking water and oxygen and has a certain transparency, the center-of-gravity stabilizing structure is reused as a part of the encapsulation layer. On the basis of improving the display effect and brightness uniformity of the screen, avoiding light source crosstalk between adjacent light-emitting structures, and improving the light-emitting efficiency of the light-emitting structure and the utilization rate of the light source, the above technical solution can also have the effect of simplifying the film layer structure of the display panel.

[0020] Preferably, the center-of-gravity stabilizing structure is located on the surface of the encapsulation layer away from the light-emitting unit, and the encapsulation layer is provided with a first groove, and the center-of-gravity stabilizing structure is located in the first groove of the encapsulation layer.

[0021] In this technical solution, the light-emitting structure includes a light-emitting unit, a center-of-gravity stabilizing structure and an encapsulation layer. The center-of-gravity stabilizing structure is located on the surface of the encapsulation layer away from the light-emitting unit, and the encapsulation layer is provided with a first groove, and the center-of-gravity stabilizing structure is located in the first groove of the encapsulation layer, so that the center-of-gravity stabilizing structure is embedded in the encapsulation layer, without changing the overall structure of the light-emitting structure, and improving the matching between the overall structure of the light-emitting structure and other film layers in the display panel.

[0022] Optionally, the center-of-gravity stabilizing structure is provided on the first surface side of the light-emitting unit, and the center-of-gravity stabilizing structure contacts the substrate.

[0023] In this technical solution, the center-of-gravity stabilizing structure is provided on the first surface side of the light-emitting unit, and the center-of-gravity stabilizing structure contacts the substrate, that is, the center-of-gravity stabilizing structure is closer to the substrate with a supporting effect, making the structural stability of the light-emitting structure higher. And the center-of-gravity stabilizing structure is provided on the first surface side of the light-emitting unit, avoiding the influence of the center-of-gravity stabilizing structure on the light extraction efficiency of the light-emitting unit, and improving the light extraction efficiency of the light-emitting structure and the utilization rate of the light source.

[0024] Optionally, the center-of-gravity stabilizing structure is provided around the side surface of the light-emitting unit, and the center-of-gravity stabilizing structure contacts the substrate.

[0025] In this technical solution, the center-of-gravity stabilizing structure is provided around the side surface of the light-emitting unit, avoiding the influence of the center-of-gravity stabilizing structure on the light extraction efficiency of the light-emitting unit, and improving the light extraction efficiency of the light-emitting structure and the utilization rate of the light source. And the center-of-gravity stabilizing structure contacts the substrate, that is, the center-of-gravity stabilizing structure is closer to the substrate with a supporting effect, making the structural stability of the light-emitting structure higher.

[0026] Optionally, it further includes a hemispherical encapsulation structure. The hemispherical encapsulation structure is located between the light-emitting structure and the substrate. The hemispherical encapsulation structure is provided with a second groove, the center-of-gravity stabilizing structure is located in the second groove, and a first adsorption structure is provided in the hemispherical encapsulation structure;

[0027] The surface of the substrate is provided with a hemispherical accommodating groove, the surface of the hemispherical accommodating groove is provided with a second adsorption structure, the first adsorption structure and the second adsorption structure can attract each other, and the hemispherical encapsulation structure is located in the hemispherical accommodating groove.

[0028] In this technical solution, the first adsorption structure provided in the hemispherical encapsulation structure and the second adsorption structure provided on the surface of the hemispherical accommodating groove can be adsorption structures with magnetic adsorption force. The first adsorption structure and the second adsorption structure can attract each other, and are used to realize the connection between the light-emitting structure through the hemispherical encapsulation structure and the substrate.

[0029] Preferably, the center-of-gravity stabilizing structure is located at the deepest part of the hemispherical accommodating groove, making the center of gravity of the light-emitting structure closer to the substrate.

[0030] Based on the substrate, this technical solution makes the center of gravity of the light-emitting structure closer to the substrate, which is equivalent to lowering the center of gravity of the light-emitting structure. According to the principle of minimum potential energy, the lower the center of gravity of an object, the more stable its structure. The above technical solution lowers the center of gravity of the light-emitting structure to the lowest level, making the structural stability of the light-emitting structure higher. It should be noted that the above structure is mainly applied to the fluid self-assembly process. The hemispherical encapsulation structure is located in the hemispherical accommodation groove, which can relieve the tilt of the light-emitting structure to a greater extent. Even a tilted light-emitting structure can autonomously adjust its tilt angle, and this structure can keep the light-emitting surface of the light-emitting unit as the second surface and accelerate the assembly speed.

[0031] Preferably, the center-of-gravity stabilizing structure is reused as the first adsorption structure.

[0032] In this technical solution, when the selected center-of-gravity stabilizing structure has a magnetic adsorption force, the center-of-gravity stabilizing structure is reused as the first adsorption structure. On the basis of improving the display effect and brightness uniformity of the screen body, avoiding the mutual crosstalk of light sources between adjacent light-emitting structures, and improving the light extraction efficiency of the light-emitting structure and the utilization rate of light sources, the above technical solution can also have the effect of simplifying the film layer structure of the display panel.

[0033] Optionally, the center-of-gravity stabilizing structure is symmetrically arranged about the midline of the light-emitting unit;

[0034] The midline of the light-emitting unit is perpendicular to the surface of the substrate, and the center of gravity of the light-emitting unit is located on the midline of the light-emitting unit.

[0035] In this technical solution, the center-of-gravity stabilizing structure is symmetrically arranged about the midline of the light-emitting unit, the midline of the light-emitting unit is perpendicular to the surface of the substrate, and the center of gravity of the light-emitting unit is located on the midline of the light-emitting unit, making the structural stability of the light-emitting structure higher.

[0036] An embodiment of the present invention further provides a display device, including the display panel described in any of the above embodiments.

[0037] In this technical solution, the display device includes the display panel described in the above embodiments. Therefore, the display device provided by the embodiment of the present invention also has the beneficial effects described in the above embodiments.

[0038] In the technical solution provided by the embodiment of the present invention, the light-emitting structure includes a light-emitting unit and a center-of-gravity stabilizing structure. The center-of-gravity stabilizing structure increases the weight of the light-emitting structure, thereby improving the structural stability of the light-emitting structure, reducing the tilt angle during the process of fixing the light-emitting structure on the substrate surface, avoiding the rotation, tilt or even flipping of the light-emitting structure, enabling the light-emitting structure to have a stable light-emitting angle, and further avoiding problems such as bright spots, mura, etc., uneven brightness, and light source crosstalk between adjacent light-emitting structures on the screen body, improving the light-emitting efficiency of the light-emitting structure and the utilization rate of the light source, and thus improving the brightness uniformity and display effect of the screen body. Description of the Drawings

[0039] Figure 1 is a schematic structural diagram of a display panel provided by the prior art;

[0040] Figure 2 is a schematic structural diagram of a display panel provided by an embodiment of the present invention;

[0041] Figure 3 is a schematic structural diagram of another display panel provided by an embodiment of the present invention;

[0042] Figure 4 is a schematic structural diagram of yet another display panel provided by an embodiment of the present invention;

[0043] Figure 5 is a schematic structural diagram of yet another display panel provided by an embodiment of the present invention;

[0044] Figure 6 is a schematic structural diagram of yet another display panel provided by an embodiment of the present invention;

[0045] Figure 7 is a schematic structural diagram of yet another display panel provided by an embodiment of the present invention;

[0046] Figure 8 is a schematic structural diagram of yet another display panel provided by an embodiment of the present invention;

[0047] Figure 9 is a schematic structural diagram of yet another display panel provided by an embodiment of the present invention;

[0048] Figure 10 is a schematic structural diagram of yet another display panel provided by an embodiment of the present invention;

[0049] Figure 11 is a schematic structural diagram of yet another display panel provided by an embodiment of the present invention;

[0050] Figure 12 is a schematic structural diagram of yet another display panel provided by an embodiment of the present invention;

[0051] Figure 13 It is a schematic structural diagram of another display panel provided by an embodiment of the present invention;

[0052] Figure 14 It is a schematic structural diagram of another display panel provided by an embodiment of the present invention;

[0053] Figure 15 It is a schematic structural diagram of another display panel provided by an embodiment of the present invention;

[0054] Figure 16 It is a schematic structural diagram of another display panel provided by an embodiment of the present invention;

[0055] Figure 17 It is a schematic structural diagram of another display panel provided by an embodiment of the present invention;

[0056] Figure 18 It is a schematic structural diagram of another display panel provided by an embodiment of the present invention;

[0057] Figure 19 It is a schematic structural diagram of another display panel provided by an embodiment of the present invention;

[0058] Figure 20 It is a schematic structural diagram of another display panel provided by an embodiment of the present invention;

[0059] Figure 21 It is a schematic structural diagram of a display device provided by an embodiment of the present invention. Detailed implementation manners

[0060] The present invention will be further described in detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present invention, rather than limiting the present invention. Additionally, it should be noted that for the convenience of description, only parts related to the present invention are shown in the drawings rather than all structures.

[0061] Figure 1 It is a schematic structural diagram of a display panel provided by the prior art. During the die bonding process (the light-emitting structure 101 is fixed on the substrate 100), the light-emitting structure 101 is prone to rotation, tilting, and flipping, resulting in problems such as bright spots, mura, and other brightness non-uniformities on the screen body, light source crosstalk between adjacent light-emitting structures 101, and low light extraction efficiency of the light-emitting structure 101.

[0062] In view of the above technical problems, the embodiments of the present invention provide the following technical solutions:

[0063] As Figure 2 shown, Figure 2FIG. 0 is a schematic structural diagram of a first display panel provided by an embodiment of the present invention. The display panel includes: a substrate 200 and a light-emitting structure 300; the light-emitting structure 300 is located on the surface of the substrate 200 and includes a light-emitting unit 301 and a center-of-gravity stabilizing structure 302. The center-of-gravity stabilizing structure 302 is used to increase the weight of the light-emitting structure 300 to improve the structural stability of the light-emitting structure 300.

[0064] In an embodiment of the present invention, the light-emitting unit includes at least one of an organic light-emitting diode (OLED), a light-emitting diode (LED), and a quantum dot light-emitting diode. The light-emitting diode (LED) includes Mini-LED and / or Micro-LED.

[0065] Optionally, the substrate 200 includes a substrate and a driving circuit layer. The substrate is used for supporting, and the driving circuit layer is used to provide a driving electrical signal for the light-emitting unit. A bonding layer is provided on the surface of the substrate 200 for fixing the light-emitting unit to the surface of the substrate 200.

[0066] According to the technical solution provided by the embodiment of the present invention, the light-emitting structure 300 includes a light-emitting unit 301 and a center-of-gravity stabilizing structure 302. The center-of-gravity stabilizing structure 302 increases the weight of the light-emitting structure 300, thereby improving the structural stability of the light-emitting structure 300, reducing the tilt angle during the process of fixing the light-emitting structure 300 to the surface of the substrate 200, avoiding the rotation, tilt, or even flipping of the light-emitting structure 300, enabling the light-emitting structure 300 to have a stable light-emitting angle, avoiding problems such as uneven brightness (such as bright spots and mura) and light source crosstalk between adjacent light-emitting structures 300 on the screen body, improving the light-emitting efficiency of the light-emitting structure 300 and the utilization rate of the light source, and thus improving the brightness uniformity and display effect of the screen body.

[0067] Optionally, based on the above technical solution, the light-emitting unit 301 includes a first surface, a second surface, and a side surface. The first surface and the second surface are oppositely arranged, and the side surface connects the first surface and the second surface. The first surface of the light-emitting unit 301 is the surface close to the substrate; the setting method of the center-of-gravity stabilizing structure 302 includes at least one of setting the center-of-gravity stabilizing structure 302 on the first surface side of the light-emitting unit 301, setting the center-of-gravity stabilizing structure 302 on the second surface side of the light-emitting unit 301, and setting the center-of-gravity stabilizing structure 302 around the side surface of the light-emitting unit 301, which increases the flexibility of the position setting of the center-of-gravity stabilizing structure 302.

[0068] It should be noted that Figure 2 and Figure 3 、 Figure 8 and Figure 9 、 Figure 14 and Figure 15 and Figure 20In the shown display panel, the center-of-gravity stabilizing structure 302 is disposed on the first surface side of the light-emitting unit 301.

[0069] Figure 5 and Figure 6 、 Figure 11 and Figure 12 and Figure 17 and Figure 18 In the shown display panel, the center-of-gravity stabilizing structure 302 is disposed on the second surface side of the light-emitting unit 301.

[0070] Figure 4 、 Figure 7 、 Figure 10 、 Figure 13 and Figure 19 In the shown display panel, the center-of-gravity stabilizing structure 302 is disposed around the side surface of the light-emitting unit 301.

[0071] It should be particularly noted that in the embodiments of the present invention, the larger the volume of the center-of-gravity stabilizing structure 302, the more significant the effect of the center-of-gravity stabilizing structure 302 on increasing the weight of the light-emitting structure 300 to improve the structural stability of the light-emitting structure 300.

[0072] Specifically, when the center-of-gravity stabilizing structure 302 is disposed on the first surface side of the light-emitting unit 301, that is, the center-of-gravity stabilizing structure 302 is closer to the substrate 200 that supports the light-emitting structure 300, the structural stability of the light-emitting structure 300 is higher. The center-of-gravity stabilizing structure 302 is disposed on the first surface side of the light-emitting unit 301 and / or the center-of-gravity stabilizing structure 302 is disposed around the side surface of the light-emitting unit 301, which avoids the influence of the center-of-gravity stabilizing structure 302 on the light extraction efficiency of the light-emitting unit 301 and improves the light extraction efficiency of the light-emitting structure 300 and the utilization rate of the light source.

[0073] Optionally, on the basis of the above technical solution, as Figures 2 - 20 shown, the density of the center-of-gravity stabilizing structure 302 is greater than the density of the light-emitting unit 301.

[0074] Exemplarily, when the density of the center-of-gravity stabilizing structure 302 is greater than the density of the light-emitting unit 301, the material of the center-of-gravity stabilizing structure 302 includes but is not limited to high-density metal materials, such as platinum.

[0075] Specifically, since the density of the center-of-gravity stabilizing structure 302 is greater than that of the light-emitting unit 301, the center of gravity of the light-emitting structure 300 is closer to the substrate 200. Based on the substrate 200, the above technical solution makes the center of gravity of the light-emitting structure 300 closer to the substrate 200, which is equivalent to lowering the center of gravity of the light-emitting structure 300. According to the principle of minimum potential energy, the lower the center of gravity of an object, the more stable its structure. On the basis that the center-of-gravity stabilizing structure 302 increases the weight of the light-emitting structure 300, the above technical solution makes the center of gravity of the light-emitting structure 300 closer to the substrate 200, further improving the structural stability of the light-emitting structure 300, reducing the tilt angle during the process of fixing the light-emitting structure 300 on the surface of the substrate 200, avoiding the rotation, tilt or even flipping of the light-emitting structure 300, enabling the light-emitting structure 300 to have a stable light-emitting angle, and thus avoiding problems such as bright spots, mura, etc. of uneven brightness and light source crosstalk between adjacent light-emitting structures 300, improving the light-emitting efficiency of the light-emitting structure 300 and the utilization rate of the light source, and thereby improving the brightness uniformity and display effect of the screen body.

[0076] Optionally, on the basis of the above technical solution, as Figures 2 - 20 shown, the density of the center-of-gravity stabilizing structure 302 is less than that of the light-emitting unit 301.

[0077] Specifically, the center-of-gravity stabilizing structure 302 increases the weight of the light-emitting structure 300, adjusts the position of the center of gravity of the light-emitting structure 300, thereby improving the structural stability of the light-emitting structure 300, reducing the tilt angle during the process of fixing the light-emitting structure 300 on the surface of the substrate 200, avoiding the rotation, tilt or even flipping of the light-emitting structure 300, enabling the light-emitting structure 300 to have a stable light-emitting angle, and thus avoiding problems such as bright spots, mura, etc. of uneven brightness and light source crosstalk between adjacent light-emitting structures 300, improving the light-emitting efficiency of the light-emitting structure 300 and the utilization rate of the light source, and thereby improving the brightness uniformity and display effect of the screen body.

[0078] Preferably, as Figures 2 - 20 shown, the light-emitting structure 300 further includes a packaging layer 303 that covers the light-emitting unit 301, and the density of the center-of-gravity stabilizing structure 302 is greater than that of the packaging layer 303.

[0079] Exemplarily, when the density of the center-of-gravity stabilizing structure 302 is less than that of the light-emitting unit 301 and the density of the center-of-gravity stabilizing structure 302 is greater than that of the packaging layer 303, the material of the center-of-gravity stabilizing structure 302 includes but is not limited to foam glass and / or foam aluminum, etc.

[0080] Preferably, on the basis that the center-of-gravity stabilizing structure 302 increases the weight of the light-emitting structure 300, when the density of the center-of-gravity stabilizing structure 302 is less than the density of the light-emitting unit 301 and greater than the density of the encapsulation layer 303, the density of the center-of-gravity stabilizing structure 302 is between the density of the light-emitting unit 301 and the density of the encapsulation layer 303. On the basis of increasing the weight of the light-emitting structure 300, the center-of-gravity position of the light-emitting structure 300 is adjusted, further improving the overall structural stability of the light-emitting structure 300, reducing the tilt angle during the process of fixing the light-emitting structure 300 to the surface of the substrate 200, avoiding the rotation, tilt or even flipping of the light-emitting structure 300, enabling the light-emitting structure 300 to have a stable light-emitting angle, thereby avoiding problems such as bright spots, mura and other brightness non-uniformities and light source crosstalk between adjacent light-emitting structures 300, improving the light-emitting efficiency of the light-emitting structure 300 and the utilization rate of the light source, and thus improving the brightness uniformity and display effect of the screen body.

[0081] Optionally, on the basis of the above technical solution, as Figures 2 - 20 shown, the light-emitting structure 300 further includes an encapsulation layer 303, the encapsulation layer 303 covers the light-emitting unit 301, and the positional relationship of the center-of-gravity stabilizing structure 302 includes at least one of the center-of-gravity stabilizing structure 302 being located between the encapsulation layer 303 and the light-emitting unit 301, the center-of-gravity stabilizing structure 302 being located on the side of the encapsulation layer 303 away from the light-emitting unit 301, and the center-of-gravity stabilizing structure 302 being located within the encapsulation layer 303.

[0082] It should be noted that Figures 2 - 7 and Figure 20 in the shown display panel, the center-of-gravity stabilizing structure 302 is located on the side of the encapsulation layer 303 away from the light-emitting unit 301. Figures 8 - 13 in the shown display panel, the center-of-gravity stabilizing structure 302 is located between the encapsulation layer 303 and the light-emitting unit 301. Figures 14 - 19 in the shown display panel, the center-of-gravity stabilizing structure 302 is located within the encapsulation layer 303.

[0083] Specifically, the positional relationship of the center-of-gravity stabilizing structure 302 includes at least one of the center-of-gravity stabilizing structure 302 being located between the encapsulation layer 303 and the light-emitting unit 301, the center-of-gravity stabilizing structure 302 being located on the side of the encapsulation layer 303 away from the light-emitting unit 301, and the center-of-gravity stabilizing structure 302 being located within the encapsulation layer 303, broadening the positional relationship of the center-of-gravity stabilizing structure 302 in the light-emitting structure 300 and increasing the flexibility of setting the center-of-gravity stabilizing structure 302.

[0084] Preferably, as Figures 2 - 19 shown, the center-of-gravity stabilizing structure 302 is reused as a part of the encapsulation layer 303.

[0085] Specifically, when the center-of-gravity stabilizing structure 302 can block water and oxygen and has a certain transparency, the center-of-gravity stabilizing structure 302 is reused as part of the encapsulation layer 303. On the basis of improving the display effect and brightness uniformity of the screen body, avoiding mutual crosstalk of light sources between adjacent light-emitting structures 300, and improving the light extraction efficiency and utilization rate of the light source of the light-emitting structure 300, the above technical solution can also have the effect of simplifying the film layer structure of the display panel.

[0086] Preferably, as Figure 2 shown, the center-of-gravity stabilizing structure 302 is located on the surface of the encapsulation layer 303 away from the light-emitting unit 301, and the encapsulation layer 303 is provided with a first groove 304, and the center-of-gravity stabilizing structure 302 is located in the first groove 304 of the encapsulation layer 303.

[0087] Specifically, the light-emitting structure 300 includes a light-emitting unit 301, a center-of-gravity stabilizing structure 302, and an encapsulation layer 303. The center-of-gravity stabilizing structure 302 is located on the surface of the encapsulation layer 303 away from the light-emitting unit 301. The encapsulation layer 303 is provided with a first groove 304, and the center-of-gravity stabilizing structure 302 is located in the first groove 304 of the encapsulation layer 303, so that the center-of-gravity stabilizing structure 302 is embedded in the encapsulation layer 303, without changing the overall structure of the light-emitting structure 300, and improving the matching between the overall structure of the light-emitting structure 300 and other film layers in the display panel.

[0088] Optionally, on the basis of the above technical solution, as Figure 2 and Figure 3 shown, the center-of-gravity stabilizing structure 302 is disposed on the first surface side of the light-emitting unit 301, and the center-of-gravity stabilizing structure 302 is in contact with the substrate 200.

[0089] Specifically, the center-of-gravity stabilizing structure 302 is disposed on the first surface side of the light-emitting unit 301, and the center-of-gravity stabilizing structure 302 is in contact with the substrate 200, that is, the center-of-gravity stabilizing structure 302 is closer to the substrate 200 with a supporting effect, making the structural stability of the light-emitting structure 300 higher. And the center-of-gravity stabilizing structure 302 is disposed on the first surface side of the light-emitting unit 301, avoiding the influence of the center-of-gravity stabilizing structure 302 on the light extraction efficiency of the light-emitting unit 301, and improving the light extraction efficiency and utilization rate of the light source of the light-emitting structure 300.

[0090] Optionally, on the basis of the above technical solution, as Figure 4 shown, the center-of-gravity stabilizing structure 302 is disposed around the side surface of the light-emitting unit 301; and the center-of-gravity stabilizing structure 302 is in contact with the substrate 200.

[0091] Specifically, the center-of-gravity stabilizing structure 302 is disposed around the side surface of the light-emitting unit 301, avoiding the influence of the center-of-gravity stabilizing structure 302 on the light extraction efficiency of the light-emitting unit 301, and improving the light extraction efficiency of the light-emitting structure 300 and the utilization rate of the light source. Moreover, the center-of-gravity stabilizing structure 302 is in contact with the substrate 200, that is, the center-of-gravity stabilizing structure 302 is closer to the substrate 200 with a supporting effect, making the structural stability of the light-emitting structure 300 higher.

[0092] Optionally, based on the above technical solution, as Figure 20 shown, the display panel further includes a hemispherical encapsulation structure 400. The hemispherical encapsulation structure 400 is located between the light-emitting structure 300 and the substrate 200. The hemispherical encapsulation structure 400 is provided with a second groove 401. The center-of-gravity stabilizing structure 302 is located in the second groove 401. A first adsorption structure is provided in the hemispherical encapsulation structure 400; a hemispherical accommodation groove 201 is provided on the surface of the substrate 200, and a second adsorption structure is provided on the surface of the hemispherical accommodation groove 201. The first adsorption structure and the second adsorption structure can attract each other, and the hemispherical encapsulation structure 400 is located in the hemispherical accommodation groove 201. Preferably, the center-of-gravity stabilizing structure 302 is located at the deepest part of the hemispherical accommodation groove 201.

[0093] In this embodiment, the first adsorption structure provided in the hemispherical encapsulation structure 400 and the second adsorption structure provided on the surface of the hemispherical accommodation groove 201 can be adsorption structures with magnetic adsorption force. The first adsorption structure and the second adsorption structure can attract each other to realize the connection between the light-emitting structure 300 through the hemispherical encapsulation structure 400 and the substrate 200. Preferably, the center-of-gravity stabilizing structure 302 is located at the deepest part of the hemispherical accommodation groove 201, making the center of gravity of the light-emitting structure 300 closer to the substrate 200. Based on the substrate 200, the above technical solution makes the center of gravity of the light-emitting structure 300 closer to the substrate 200, which is equivalent to lowering the center of gravity of the light-emitting structure 300. According to the principle of minimum potential energy, the lower the center of gravity of an object, the more stable its structure. The above technical solution lowers the center of gravity of the light-emitting structure 300 to the lowest, making the structural stability of the light-emitting structure 300 higher. It should be noted that the above structure is mainly applied to the fluid self-assembly process. The hemispherical encapsulation structure 400 is located in the hemispherical accommodation groove 201, which can relieve the inclination of the light-emitting structure 300 to a greater extent. Even the light-emitting structure 300 that is flipped can autonomously adjust its inclination angle, and this structure can keep the light-emitting surface of the light-emitting unit 301 as the second surface and accelerate the assembly speed. Preferably, the center-of-gravity stabilizing structure 302 is reused as the first adsorption structure.

[0094] Specifically, when the selected center-of-gravity stabilizing structure 302 has a magnetic adsorption force, the center-of-gravity stabilizing structure 302 is reused as the first adsorption structure. Based on improving the display effect and brightness uniformity of the screen body, avoiding mutual crosstalk of light sources between adjacent light-emitting structures 300, and improving the light extraction efficiency of the light-emitting structure 300 and the utilization rate of light sources, the above technical solution can also have the effect of simplifying the film layer structure of the display panel.

[0095] Optionally, based on the above technical solution, as Figures 2 - 20 shown, the center-of-gravity stabilizing structure 302 is symmetrically arranged about the center line of the light-emitting unit 301; the center line of the light-emitting unit 301 is perpendicular to the surface of the substrate 200, and the center of gravity of the light-emitting unit 301 is located on the center line of the light-emitting unit 301.

[0096] Specifically, the center-of-gravity stabilizing structure 302 is symmetrically arranged about the center line S0 of the light-emitting unit 301. The center line S0 of the light-emitting unit 301 is perpendicular to the surface of the substrate 200, and the center of gravity of the light-emitting unit 301 is located on the center line S0 of the light-emitting unit 301, making the structural stability of the light-emitting structure 300 higher.

[0097] The embodiment of the present invention also provides a display device. Figure 21 It is a schematic structural diagram of a display device provided by an embodiment of the present invention. Refer to Figure 21 , the display device 01a includes the display panel 01b described in the above embodiment. Therefore, the display device provided by the embodiment of the present invention also has the beneficial effects described in the above embodiment, which will not be elaborated here. Exemplarily, the display device can be an electronic device such as a mobile phone, a computer, or a wearable device, etc. The embodiment of the present invention does not limit the specific form of the display device.

[0098] Note that the above is only a preferred embodiment of the present invention and the applied technical principle. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described here. Various obvious changes, re-adjustments, and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments. Without departing from the inventive concept of the present invention, it can also include more other equivalent embodiments, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A display panel, characterized in that: include: substrate; a light-emitting structure, located on the surface of the substrate, the light-emitting structure comprising a light-emitting unit and a center of gravity stabilizing structure; The center of gravity stabilizing structure is used to increase the weight of the light-emitting structure to improve the structural stability of the light-emitting structure.

2. The display panel according to claim 1, wherein: The light-emitting unit includes a first surface, a second surface, and a side surface, the first surface and the second surface are arranged opposite to each other, the side surface connects the first surface and the second surface, and the first surface of the light-emitting unit is a surface close to the substrate; The arrangement of the center of gravity stabilizing structure includes at least one of the following: the center of gravity stabilizing structure is arranged on the first surface side of the light emitting unit, the center of gravity stabilizing structure is arranged on the second surface side of the light emitting unit, and the center of gravity stabilizing structure is arranged around the side of the light emitting unit.

3. The display panel according to claim 1, wherein: The density of the center of gravity stabilizing structure is greater than the density of the light emitting unit.

4. The display panel according to claim 1, wherein: The density of the center of gravity stabilizing structure is less than the density of the light emitting unit; Preferably, the light-emitting structure further includes an encapsulation layer, the encapsulation layer covers the light-emitting unit, and the density of the center of gravity stabilizing structure is greater than the density of the encapsulation layer.

5. The display panel according to claim 1, wherein: The light-emitting structure further includes an encapsulation layer, the encapsulation layer covering the light-emitting unit, and the positional relationship of the center of gravity stabilizing structure includes at least one of the following: the center of gravity stabilizing structure is located between the encapsulation layer and the light-emitting unit, the center of gravity stabilizing structure is located on a side of the encapsulation layer away from the light-emitting unit, and the center of gravity stabilizing structure is located within the encapsulation layer; preferably, the center of gravity stabilizing structure is reused as a part of the encapsulation layer; Preferably, the center-of-gravity stabilizing structure is located on a surface of the encapsulation layer away from the light-emitting unit, the encapsulation layer is provided with a first groove, and the center-of-gravity stabilizing structure is located in the first groove of the encapsulation layer.

6. The display panel according to claim 2, wherein: The center-of-gravity stabilizing structure is provided on the first surface side of the light emitting unit, and the center-of-gravity stabilizing structure is in contact with the substrate.

7. The display panel according to claim 2, wherein: The center-of-gravity stabilizing structure is disposed around the side surface of the light-emitting unit, and the center-of-gravity stabilizing structure is in contact with the substrate.

8. The display panel according to claim 1, wherein: The device further includes a hemispherical packaging structure, the hemispherical packaging structure being located between the light-emitting structure and the substrate, the hemispherical packaging structure being provided with a second groove, the center of gravity stabilizing structure being located in the second groove, and the hemispherical packaging structure being provided with a first adsorption structure; The surface of the substrate is provided with a hemispherical receiving groove, the surface of the hemispherical receiving groove is provided with a second adsorption structure, the first adsorption structure and the second adsorption structure can attract each other, and the hemispherical packaging structure is located in the hemispherical receiving groove; Preferably, the center of gravity stabilizing structure is located at the maximum depth of the hemispherical receiving groove; Preferably, the center of gravity stabilizing structure is reused as the first adsorption structure.

9. The display panel according to any one of claims 1 to 8, characterized in that: The center of gravity stabilizing structure is symmetrically arranged about the center line of the light emitting unit; the center line of the light emitting unit is perpendicular to the surface of the substrate, and the center of gravity of the light emitting unit is located on the center line of the light emitting unit.

10. A display device, characterized in that: The display panel comprises any one of claims 1 to 9.

Images