CN219979596U - Display panel and spliced display device - Google Patents

Abstract

The utility model discloses a display panel and an assembled display device, wherein the display panel comprises: a flexible substrate; the array layer is arranged on one side of the flexible substrate; the light-emitting layer is arranged on one side of the array layer, which is away from the flexible substrate, and comprises a plurality of light-emitting units, and the light-emitting layer is provided with a light-emitting side; the cover plate is arranged on the light emitting side of the light emitting layer; the first light shielding layer comprises a first light shielding structure, and the first light shielding structure is arranged between adjacent light emitting units; the second shading layer comprises a second shading structure, the orthographic projection of the second shading structure on the flexible substrate and the orthographic projection of the first shading structure on the flexible substrate are at least partially overlapped, and the orthographic projection of the second shading structure on the flexible substrate and the orthographic projection of the light emitting unit on the flexible substrate are not overlapped. The first shading layer and the second shading layer are respectively arranged around the light-emitting unit and on one side of the cover plate, which faces the light-emitting layer, and are matched with each other to improve the display effect of the display panel in a black state under the screen extinction state, so that the use experience of a user is improved.

Description

Display panel and spliced display device

Technical Field

The utility model belongs to the technical field of electronic products, and particularly relates to a display panel and an assembled display device.

Background

Mini-LED or Micro-LED is used as a new generation display technology, and compared with the existing OLED (Organic Light-Emitting Diode) or LCD (Liquid Crystal Display) technology, the Micro-LED or Micro-LED display technology has the advantages of high resolution, high brightness, power saving, high response speed, high Light Emitting efficiency, long service life and the like, and is widely applied to the display fields of mobile phones, notebook computers, televisions and the like.

But limited by the structure of the existing display panel, the display effect of the display panel in a black state under the screen extinction cannot meet the requirement, and the use experience of a user is affected.

Therefore, a new display panel and a built-up display device are needed.

Disclosure of Invention

The embodiment of the utility model provides a display panel and an assembled display device, wherein a first shading layer and a second shading layer are respectively arranged around a light-emitting unit and on one side of a cover plate facing the light-emitting layer, and are matched with each other to improve the black display effect of the display panel under the condition of screen extinction, so that the use experience of a user is improved.

In one aspect, an embodiment of the present utility model provides a display panel, including: a flexible substrate; the array layer is arranged on one side of the flexible substrate; the light-emitting layer is arranged on one side of the array layer, which is away from the flexible substrate, and comprises a plurality of light-emitting units, and the light-emitting layer is provided with a light-emitting side; the cover plate is arranged on the light emitting side of the light emitting layer; the first light shielding layer comprises a first light shielding structure, and the first light shielding structure is arranged between adjacent light emitting units; the second shading layer is arranged on the surface of the cover plate, facing the light-emitting layer, and comprises a second shading structure, wherein the orthographic projection of the second shading structure on the flexible substrate and the orthographic projection of the first shading structure on the flexible substrate are at least partially overlapped, and the orthographic projection of the second shading structure on the flexible substrate and the orthographic projection of the light-emitting unit on the flexible substrate are not overlapped.

According to one aspect of the present utility model, the transparent adhesive layer further comprises a first transparent adhesive layer, and the second light shielding structure is at least partially embedded in the first transparent adhesive layer; preferably, the materials of the first light shielding structure and the second light shielding structure comprise at least one of black organic glue and ink; preferably, the second light shielding layer includes an opening, and an orthographic projection of the opening on the flexible substrate covers an orthographic projection of the light emitting unit on the flexible substrate.

According to one aspect of the utility model, the second light shielding structure is arranged on one side of the light emitting layer, which is away from the flexible substrate, and the first light shielding structure and the second light shielding structure are in contact; or at least one light-transmitting glue layer is arranged between the first shading structure and the second shading structure. Preferably, the height of the first light shielding structure is less than or equal to the height of the light emitting unit in a direction perpendicular to the plane of the flexible substrate.

According to one aspect of the utility model, the second light shielding structure is arranged on one side of the flexible substrate, which is away from the array layer, and the cover plate is arranged on one side of the second light shielding structure, which is away from the flexible substrate.

According to an aspect of the present utility model, the second light shielding layer includes a plurality of light adjustment portions, and an orthographic projection of the light adjustment portions on the flexible substrate covers an orthographic projection of the light emitting unit on the flexible substrate.

According to one aspect of the present utility model, the light adjusting part has a diverging structure in a direction directed to the cover plate by the light emitting unit; preferably, the light adjusting part has a trapezoid cross section in a direction from the light emitting unit to the cover plate.

According to an aspect of the present utility model, the light adjusting part includes color resistances of different colors; or, the light adjusting part comprises a quantum dot light emitting part.

According to an aspect of the present utility model, the light-absorbing portion is provided with a light-shielding portion that covers at least an outer peripheral side surface of the light-adjusting portion; preferably, the material of the light absorbing part includes a ferrous metal material.

According to an aspect of the present utility model, the second light shielding structure has a cross section of at least one of a rectangular shape, a semicircular shape, and a trapezoid shape in a direction perpendicular to a plane in which the flexible substrate is located.

The utility model also provides a spliced display device, which comprises a plurality of display panels in any embodiment.

Compared with the prior art, the display panel provided by the embodiment of the utility model comprises the flexible substrate, the array layer, the light-emitting layer, the cover plate, the first shading layer and the second shading layer, on one hand, the first shading structure is arranged between the adjacent light-emitting units to prevent the light emitted by the light-emitting units from scattering to the periphery, the black display effect of the display panel under the screen extinction condition is improved, on the other hand, the second shading layer is additionally arranged on the surface of the side, facing the light-emitting layer, of the cover plate, and the orthographic projection of the second shading structure on the flexible substrate and the orthographic projection of the first shading structure on the flexible substrate are at least partially overlapped, namely, the second shading structure can further block the scattered light of the light emitted by the light-emitting units when the light-emitting units is emitted to the cover plate, and the first shading layer and the second shading layer are respectively arranged around the light-emitting units and at the side, facing the light-emitting layer, so that the black display effect of the display panel under the screen extinction condition is improved, and the use experience of a user is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments of the present utility model will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.

FIG. 1 is a diagram of a film structure of a display panel according to an embodiment of the present utility model;

FIG. 2 is a top view of FIG. 1 at A-A;

FIG. 3 is a diagram illustrating a structure of a film layer of a display panel according to another embodiment of the present utility model;

FIG. 4 is a diagram showing a structure of a film layer of a display panel according to another embodiment of the present utility model;

FIG. 5 is a diagram showing a structure of a film layer of a display panel according to another embodiment of the present utility model;

FIG. 6 is a diagram showing a structure of a film layer of a display panel according to another embodiment of the present utility model;

fig. 7 is a film layer structure diagram of an assembled display device according to an embodiment of the present utility model.

In the accompanying drawings:

100-a display panel; 1-a flexible substrate; 2-an array layer; a 3-light emitting layer; 31-a light emitting unit; 4-cover plate; 5-a first light-shielding layer; 6-a second light-shielding layer; 7-a first transparent adhesive layer; 8-a light ray adjusting part; k-opening.

Detailed Description

Features and exemplary embodiments of various aspects of the present utility model will be described in detail below, and in order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail below with reference to the accompanying drawings and the detailed embodiments. It should be understood that the specific embodiments described herein are merely configured to illustrate the utility model and are not configured to limit the utility model. It will be apparent to one skilled in the art that the present utility model may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the utility model by showing examples of the utility model.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.

It will be understood that when a layer, an area, or a structure is described as being "on" or "over" another layer, another area, it can be referred to as being directly on the other layer, another area, or another layer or area can be included between the layer and the other layer, another area. And if the component is turned over, that layer, one region, will be "under" or "beneath" the other layer, another region.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present utility model without departing from the spirit or scope of the utility model. Accordingly, it is intended that the present utility model covers the modifications and variations of this utility model provided they come within the scope of the appended claims (the claims) and their equivalents. The embodiments provided by the embodiments of the present utility model may be combined with each other without contradiction.

The embodiment of the utility model provides a display panel and a spliced display device, and various embodiments of the display panel and the spliced display device will be described with reference to fig. 1 to 7.

Referring to fig. 1 to 2, a display panel according to an embodiment of the utility model includes: a flexible substrate 1; an array layer 2 arranged on one side of the flexible substrate 1; the light-emitting layer 3 is arranged on one side of the array layer 2, which is away from the flexible substrate 1, the light-emitting layer 3 comprises a plurality of light-emitting units 31, and the light-emitting layer 3 is provided with a light-emitting side; a cover plate 4 provided on the light-emitting side of the light-emitting layer 3; a first light shielding layer 5, the first light shielding layer 5 including a first light shielding structure, the first light shielding structure being disposed between adjacent light emitting units 31; the second light shielding layer 6 is arranged on the surface of one side of the cover plate 4, facing the light emitting layer 3, the second light shielding layer 6 comprises a second light shielding structure, the orthographic projection of the second light shielding structure on the flexible substrate 1 and the orthographic projection of the first light shielding structure on the flexible substrate 1 are at least partially overlapped, and the orthographic projection of the second light shielding structure on the flexible substrate 1 and the orthographic projection of the light emitting unit 31 on the flexible substrate 1 are not overlapped.

According to the display panel provided by the embodiment of the utility model, the first shading structure is arranged between the adjacent light emitting units 31 to prevent the light emitted by the light emitting units 31 from scattering around, so that the black state display effect of the display panel under the off screen is improved, and the second shading layer 6 is additionally arranged on the surface of one side of the cover plate 4, which faces the light emitting layer 3, so that the orthographic projection of the second shading structure on the flexible substrate 1 and the orthographic projection of the first shading structure on the flexible substrate 1 are at least partially overlapped, namely the second shading structure can further block the scattered light emitted by the light emitting units 31 when the light is emitted to the cover plate 4, and the first shading layer 5 and the second shading layer 6 are respectively arranged around the light emitting units 31 and on one side of the cover plate 4, which faces the light emitting layer 3, so that the black state display effect of the display panel under the off screen is improved, and the use experience of a user is improved.

Since the first light shielding layer 5 is provided between the adjacent light emitting units 31, it can function to fix the light emitting units 31 in addition to blocking light.

The front projection of the second light shielding structure on the flexible substrate 1 and the front projection of the light emitting unit 31 on the flexible substrate 1 are not overlapped, so as to avoid that the second light shielding structure affects the normal light emission of the light emitting unit 31, and optionally, the second light shielding layer 6 includes an opening K, and the front projection of the opening K on the flexible substrate 1 covers the front projection of the light emitting unit 31 on the flexible substrate 1. The size of the opening K may be larger than that of the light emitting unit 31 to avoid light loss.

In this embodiment, the flexible substrate 1 may be made of flexible material such as polyimide, polystyrene, polyethylene terephthalate, parylene, polyethersulfone, or polyethylene naphthalate. The flexible substrate 1 is mainly used for supporting devices arranged thereon.

The display panel in the embodiment of the utility model only comprises the flexible substrate 1, but not the glass substrate, so that the technical difficulty of cutting, edging and chamfering the glass substrate in the prior art can be avoided, and the preparation is convenient. And because flexible substrate 1 is convenient for buckle, flexible substrate 1 can carry out the buckling of backing to apron 4 together with the wiring of display panel frame part, realizes apron 4 and does not have the effect of side wiring. Therefore, when the follow-up display device performs splicing display of the cover plate 4, the effect of splicing the narrow frames can be achieved, and the use experience of a user is improved.

The light emitting layer 3 includes a plurality of light emitting units 31, and the light emitting units 31 may be Micro-LEDs (Micro Light Emitting Diode, micro light emitting diodes) or Mini-LEDs (small light emitting diodes). The Micro-LED and the Mini-LED have the advantages of small size, high luminous efficiency, low energy consumption and the like, the size of the Micro-LED is smaller than 50 mu m, the size of the Mini-LED is smaller than 100 mu m, and the Micro-LED and the Mini-LED can clearly display figures and patterns on a smaller display panel.

According to different light emitting directions of the light emitting diodes, the light emitting diodes can be divided into a bottom light emitting structure and a top light emitting structure, and when the light emitting unit 31 adopts the light emitting diode with the bottom light emitting structure, the light emitting of the light emitting unit 31 faces the direction of the flexible substrate 1. When the light emitting unit 31 adopts the light emitting diode with the top light emitting structure, the light emitting direction of the light emitting unit 31 is away from the direction where the flexible substrate 1 is located. Since the cover plate 4 is disposed on the light emitting side of the light emitting layer 3, the cover plate 4 is disposed at a different position according to the light emitting direction of the light emitting unit 31, so that the light emitted from the light emitting unit 31 can be emitted through the cover plate 4.

The cover plate 4 is a film layer made of glass and other materials with high light transmittance, plays a role in protecting the display panel, and particularly, the cover plate 4 can be made of rigid materials, so that the cost is relatively low; the cover plate 4 can be made of a flexible material, so that the cover plate 4 can be folded, and can be applied to a flexible and foldable display module, namely, the cover plate 4 can be made of a transparent, soft and foldable material such as UTG (Ultra Thin Glass), CPI (Colorless Polyimide, transparent polyimide film), PET (Polyethylene Terephthalate ) and the like, so that the cover plate 4 can be folded in a bending manner, and is convenient to be applied to a foldable display device.

Alternatively, the array layer 2 includes pixel circuits including thin film transistors including gates, sources, drains, sources, and gates, and the material of the gates may include one or more of molybdenum, titanium, aluminum, copper, and the like. The gate electrode of the thin film transistor is generally used for receiving a control signal, so that the thin film transistor is turned on or off under the control of the control signal. One of the source and the drain of the thin film transistor is connected to the light emitting unit 31.

In some alternative embodiments, as shown in fig. 1, the display panel further includes a first transparent adhesive layer, and the second light shielding structure is at least partially embedded in the first transparent adhesive layer 7.

It can be understood that, since the second light shielding structure is at least partially embedded in the first transparent adhesive layer 7, the first transparent adhesive layer 7 is at least partially disposed on a surface of the cover plate 4 facing the light emitting layer 3, and is adhered to the cover plate 4, so that the cover plate 4 and the light emitting layer 3 or the film layers such as the flexible substrate 1 are fixedly connected.

Alternatively, the first transparent adhesive layer 7 may be OCA (Optically Clear Adhesive, optically transparent adhesive) or other organic adhesive, and is not particularly limited.

Optionally, in order to ensure the light shielding effect of the first light shielding structure and the second light shielding structure, the materials of the first light shielding structure and the second light shielding structure include at least one of black organic glue and ink. For example, the materials of the first light shielding structure and the second light shielding structure may be materials having good light shielding performance, such as OC organic gel or resin materials used for the black matrix, and are not particularly limited.

In some alternative embodiments, as shown in fig. 1, a second light shielding structure is provided on the side of the light emitting layer 3 facing away from the flexible substrate 1, the first light shielding structure being in contact with the second light shielding structure.

In this embodiment, the light emitting unit 31 of the light emitting layer 3 adopts a top light emitting structure, the light emitting unit 31 of the top light emitting structure emits light in a direction away from the side of the flexible substrate 1, and the second light shielding structure is disposed on the side of the light emitting layer 3 away from the flexible substrate 1, i.e. the cover plate 4 is also disposed on the side of the light emitting layer 3 away from the flexible substrate 1. The first light shielding structure and the second light shielding structure are contacted to strictly limit the light emitting direction of the light emitting unit 31, so that the light emitted by the light emitting unit 31 is opposite to the area formed by the first light shielding structure and the second light shielding structure.

Since the first light shielding structures are disposed between the adjacent light emitting units 31, in order to avoid the mutual interference between the second light shielding structures and the light emitting units 31, optionally, in a direction perpendicular to the plane of the flexible substrate 1, the height of the first light shielding structures is smaller than or equal to the height of the light emitting units 31, so that the light emitting units 31 protrude relative to the first light shielding structures, that is, the second light shielding structures can directly extend into the space between the adjacent light emitting units 31 to be stably connected with the first light shielding structures.

Of course, the first light shielding structure and the second light shielding structure may not be in direct contact, and referring to fig. 3, at least one light-transmitting adhesive layer may be further disposed between the first light shielding structure and the second light shielding structure to separate the first light shielding structure, the light emitting unit 31 and the second light shielding structure and protect the light emitting unit 31. The light-transmitting glue layer in this embodiment may be the first transparent glue layer 7, and the second light-shielding structure is completely buried in the first transparent glue layer 7, so that a layer of the first transparent glue layer 7 is disposed between the first light-shielding structure and the second light-shielding structure. Of course, one or more layers of transparent adhesive layers may be additionally provided, the transparent adhesive layers specifically play a role of adhesion and fixation, the transparent adhesive layers may be OC organic adhesive, other organic adhesive, inorganic materials such as SOG (liquid silicon oxide) and the like, and the transparent adhesive layers are not particularly limited.

Referring to fig. 4, in some alternative embodiments, the second light shielding structure is disposed on a side of the flexible substrate 1 facing away from the array layer 2, and the cover plate 4 is disposed on a side of the second light shielding structure facing away from the flexible substrate 1.

In this embodiment, the light emitting unit 31 of the light emitting layer 3 adopts a bottom light emitting structure, the light emitting unit 31 of the bottom light emitting structure emits light in the direction where the flexible substrate 1 is located, the second light shielding structure is disposed on the side of the flexible substrate 1 away from the array layer 2, that is, the cover plate 4 is also disposed on the side of the flexible substrate 1 away from the array layer 2, and the light emitted by the light emitting unit 31 needs to pass through the array layer 2 and the flexible substrate 1 respectively for light emission. Thus, the array layer 2 and at least part of the film layer or the component of the flexible substrate 1 need to be made of a light-transmitting material to ensure the light-emitting effect of the light-emitting unit 31.

In this embodiment, the second light shielding structure may be directly attached to the surface of the flexible substrate 1 through the light-transmitting adhesive layer.

Referring to fig. 5 and 6, in some alternative embodiments, the second light shielding layer 6 includes a plurality of light adjusting portions 8, and the front projection of the light adjusting portions 8 on the flexible substrate 1 covers the front projection of the light emitting unit 31 on the flexible substrate 1.

It can be understood that, since the front projection of the light adjusting portion 8 on the flexible substrate 1 covers the front projection of the light emitting unit 31 on the flexible substrate 1, the light emitted from the light emitting unit 31 needs to pass through the light adjusting portion 8 and then exit from the cover plate 4, so that when the light emitted from the light emitting unit 31 passes through the light adjusting portion 8, the light can be filtered, enhanced, and the like by the light adjusting portion 8, so as to improve the light emitting effect of the display panel and improve the display screen of the display panel.

Alternatively, the light adjusting portion 8 may be specifically color resistors with different colors, so as to filter the light emitted by the light emitting units 31 with different light emitting colors, so as to improve the contrast of the display panel, for example, when the light emitting units 31 include the red light emitting unit 31, the green light emitting unit 31, and the blue light emitting unit 31, the color resistors may be correspondingly red color resistors, green color resistors, and blue color resistors.

Optionally, the light adjusting part 8 includes a quantum dot light emitting part. The quantum dot light-emitting part can provide stronger excitation color-developing capability relative to fluorescent powder, so that the performances of the display panel, such as color gamut, picture uniformity and the like are enhanced. Specifically, the Quantum dot light emitting part is a semiconductor nano-crystalline material with a size ranging from 2 nm to 10nm, indium phosphide (InP) Quantum Dots, perovskite Quantum Dots, cadmium selenide (CdSe) Quantum Dots, carbon Quantum Dots (CQDs) QD Quantum Dots (Quantum Dots) are actually a nano-scale semiconductor, and by applying a certain electric field or light pressure to the nano-semiconductor material, they emit light with a specific frequency, and the frequency of the emitted light changes with the change of the size of the semiconductor, so that the color of the emitted light can be controlled by adjusting the size of the nano-semiconductor.

In some alternative embodiments, the light adjusting portion 8 has a gradually-expanding structure in a direction from the light emitting unit 31 to the cover plate 4, that is, in a direction from the light emitting unit 31 to the cover plate 4, the light emitting area of the light adjusting portion 8 is larger and larger, so as to ensure the display effect of the display panel.

Alternatively, the light adjusting portion 8 has a trapezoidal cross section in a direction from the light emitting unit 31 toward the cover plate 4.

In order to improve the light extraction efficiency, the display panel may further include a light absorbing portion covering at least the outer peripheral side surface of the light adjusting portion 8. It can be understood that the light absorbing portion can collect light in the light adjusting portion 8 surrounded by the light absorbing portion, so that more light emitted from the light emitting unit 31 enters the light adjusting portion 8, and the light emitting effect of the display panel is improved.

Alternatively, the material of the light absorbing portion may include a black metal material, and the light absorbing portion may be formed in a cup-like structure using the black metal material to be disposed around the light adjusting portion 8.

In some alternative embodiments, the cross section of the second light shielding structure is at least one of rectangular, semicircular, and trapezoidal in a direction perpendicular to the plane in which the flexible substrate 1 lies.

The cross section of the second light shielding structure can be set according to requirements, for example, the second light shielding structure can be provided with a positive taper angle (gradient angle), a reverse taper angle, a 90-degree taper, a spherical surface, an arc surface and the like.

Referring to fig. 7, an embodiment of the utility model further provides a split display device, which includes a plurality of display panels 100 according to any of the above embodiments.

It should be noted that, the assembly display device provided by the utility model can be formed by assembling a plurality of display panels 100, and when in assembly, the flexible substrate 1 and the wires of the frame part of the display panels 100 can be bent back to the cover plate 4 together, so that the effect that the cover plate 4 has no side wires is achieved. The effect of splicing the narrow frames of the spliced display device can be achieved, and the use experience of a user is improved.

Therefore, the display device provided in the embodiment of the present utility model has the technical effects of the technical solution of the display panel 100 in any of the above embodiments, and the same or corresponding structures and explanations of terms as those of the above embodiments are not repeated herein.

The display device provided by the embodiment of the utility model can be applied to a mobile phone and can also be any electronic product with a display function, including but not limited to the following categories: television, notebook computer, desktop display, tablet computer, digital camera, smart bracelet, smart glasses, vehicle-mounted display, medical equipment, industrial control equipment, touch interactive terminal, etc., which are not particularly limited in this embodiment of the utility model.

In the foregoing, only the specific embodiments of the present utility model are described, and it will be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the systems, modules and units described above may refer to the corresponding processes in the foregoing method embodiments, which are not repeated herein. It should be understood that the scope of the present utility model is not limited thereto, and any equivalent modifications or substitutions can be easily made by those skilled in the art within the technical scope of the present utility model, and they should be included in the scope of the present utility model.

It should also be noted that the exemplary embodiments mentioned in this disclosure describe some methods or systems based on a series of steps or devices. However, the present utility model is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, or may be performed in a different order from the order in the embodiments, or several steps may be performed simultaneously.

Claims (13)

1. A display panel, comprising:

a flexible substrate;

the array layer is arranged on one side of the flexible substrate;

the light-emitting layer is arranged on one side of the array layer, which is away from the flexible substrate, and comprises a plurality of light-emitting units, and the light-emitting layer is provided with a light-emitting side;

the cover plate is arranged on the light emitting side of the light emitting layer;

the first light shielding layer comprises a first light shielding structure, and the first light shielding structure is arranged between adjacent light emitting units;

the second shading layer is arranged on the surface of the cover plate, facing the light-emitting layer, and comprises a second shading structure, wherein the orthographic projection of the second shading structure on the flexible substrate and the orthographic projection of the first shading structure on the flexible substrate are at least partially overlapped, and the orthographic projection of the second shading structure on the flexible substrate and the orthographic projection of the light-emitting unit on the flexible substrate are not overlapped.

2. The display panel of claim 1, further comprising a first transparent adhesive layer, the second light shielding structure being at least partially embedded within the first transparent adhesive layer.

3. The display panel of claim 1, wherein the second light shielding layer comprises an opening, an orthographic projection of the opening on the flexible substrate covering an orthographic projection of the light emitting unit on the flexible substrate.

4. The display panel according to claim 1, wherein the second light shielding structure is disposed on a side of the light emitting layer facing away from the flexible substrate, and the first light shielding structure and the second light shielding structure are in contact; or alternatively, the first and second heat exchangers may be,

at least one light-transmitting glue layer is arranged between the first shading structure and the second shading structure.

5. The display panel according to claim 1, wherein a height of the first light shielding structure is smaller than or equal to a height of the light emitting unit in a direction perpendicular to a plane in which the flexible substrate is located.

6. The display panel according to claim 1, wherein the second light shielding structure is disposed on a side of the flexible substrate facing away from the array layer, and the cover plate is disposed on a side of the second light shielding structure facing away from the flexible substrate.

7. The display panel according to claim 1, wherein the second light shielding layer includes a plurality of light adjustment portions, and an orthographic projection of the light adjustment portions on the flexible substrate covers an orthographic projection of the light emitting unit on the flexible substrate.

8. The display panel according to claim 7, wherein the light adjusting portion has a diverging structure in a direction from the light emitting unit toward the cover plate.

9. The display panel according to claim 7, wherein a cross section of the light adjusting portion has a trapezoid shape in a direction from the light emitting unit toward the cover plate.

10. The display panel according to claim 7, wherein the light adjusting portion includes color resists of different colors;

or, the light adjusting part comprises a quantum dot light emitting part.

11. The display panel according to claim 7, further comprising a light absorbing portion that covers at least an outer peripheral side surface of the light adjusting portion.

12. The display panel according to claim 1, wherein a cross section of the second light shielding structure is at least one of rectangular, semicircular, and trapezoidal in a direction perpendicular to a plane in which the flexible substrate is located.

13. A built-up display device comprising a plurality of display panels according to any one of claims 1 to 12.