CN110690243B - Display panel and preparation method thereof - Google Patents
Display panel and preparation method thereof Download PDFInfo
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- CN110690243B CN110690243B CN201910978595.0A CN201910978595A CN110690243B CN 110690243 B CN110690243 B CN 110690243B CN 201910978595 A CN201910978595 A CN 201910978595A CN 110690243 B CN110690243 B CN 110690243B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/15—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier specially adapted for light emission
- H01L27/153—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier specially adapted for light emission in a repetitive configuration, e.g. LED bars
- H01L27/156—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier specially adapted for light emission in a repetitive configuration, e.g. LED bars two-dimensional arrays
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
- H01L33/507—Wavelength conversion elements the elements being in intimate contact with parts other than the semiconductor body or integrated with parts other than the semiconductor body
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/52—Encapsulations
- H01L33/54—Encapsulations having a particular shape
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0033—Processes relating to semiconductor body packages
- H01L2933/0041—Processes relating to semiconductor body packages relating to wavelength conversion elements
Abstract
The embodiment of the invention provides a display panel and a preparation method of the display panel, wherein the display panel comprises the following components: an array substrate; the micro LEDs are arranged on the array substrate in an array mode and used for emitting blue light; the white retaining walls are respectively arranged around each micro LED; the light conversion layer is arranged on one side of the micro LED, which is far away from the array substrate, corresponds to the micro LED one by one and is used for converting the blue light incident to the light conversion layer into red light, green light and blue light; and the protective layer is arranged on the array substrate and filled between the adjacent white retaining walls on the side, deviating from the micro LED, of the white retaining wall. According to the embodiment of the invention, the micro LED is used as the light source on the array substrate, so that the light rays in the display area are more uniform and uniform, and the white retaining wall is used to reduce the loss of the light rays and improve the display quality of the display panel.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display panel and a preparation method of the display panel.
Background
At present, transparent display products are popular because they are light and thin, easy to carry, support 3D display technology, and consume low energy, which is beneficial to environmental protection and energy saving.
The transparent display product adopts a transparent light guide plate, forms a light taking port through nanoimprint lithography, recycles the liquid crystal grating, realizes scattering of light, reserves a display area and a non-display area in display design, and introduces ambient light into the non-display area, thereby realizing transparent display.
However, in the prior art, in order to realize dark state transparency of the transparent display product, a side-entry light source is adopted, and the LED light passes through a reflecting cover and then passes through a light guide plate with a grating to be transmitted. The process has high requirements on the smoothness of the surface of the reflector, if the polishing process is poor, serious light loss can be caused, the nanoimprint process is complex, light has much light loss through the nano grating, the light intensity of the illuminated display area is low, the contrast is poor, and the side light source light incidence causes the light to be unevenly distributed in the display area, so that the display effect is influenced.
Disclosure of Invention
The invention provides a display panel, which aims to solve the problem that the display effect is influenced because the light of the conventional display panel is not uniformly distributed in a display area.
One aspect of the present invention provides a display panel including:
an array substrate;
the micro LEDs are arranged on the array substrate in an array manner and used for emitting blue light;
the white retaining walls are respectively arranged around the micro LEDs;
the light conversion layer is arranged on one side, far away from the array substrate, of the micro LEDs, corresponds to the micro LEDs one by one, and is used for converting blue light incident to the light conversion layer into red light, green light and blue light;
the protective layer, the protective layer sets up on the array substrate, fill white barricade deviates from the adjacent of miniature LED one side between the white barricade, and cover the light conversion layer.
Optionally, the method further includes: a white substrate;
the white substrate is disposed between the array substrate and the micro LED.
Optionally, the white retaining wall protrudes from the light conversion layer at an end away from the array substrate.
Optionally, the method further includes: a six-color film substrate; the six-color film substrate is arranged on one side of the protective layer far away from the array substrate.
Optionally, the six-color film substrate includes a plurality of color resistors arranged at intervals, and each color resistor corresponds to each micro LED one to one.
Optionally, a flat layer is disposed between the protective layer and the six-color film substrate; and a cover plate is arranged on one side of the six-color film substrate, which is away from the flat layer.
Optionally, the thickness of the light conversion layer is: 0.8-5 μm.
Optionally, the light conversion layer is made of: a quantum dot material.
Another aspect of the present invention provides a method for manufacturing a display panel, including:
providing an array substrate;
preparing a plurality of groups of white retaining walls on the array substrate; each set of white retaining walls comprises: four white retaining walls forming a preset area;
simultaneously transferring a plurality of micro LEDs on the array substrate by using a transfer back plate to enable each group of white retaining walls to be correspondingly arranged around each micro LED;
preparing a light conversion layer on one side of the micro LED, which is far away from the array substrate, so that the light conversion layer corresponds to the micro LED one by one;
on the array substrate, the white retaining wall deviates from it is adjacent on one side of miniature LED fill the protective layer between the white retaining wall, and make the protective layer covers the light conversion layer.
Optionally, the step of simultaneously transferring a plurality of micro LEDs onto the array substrate by using a transfer backplane to correspondingly arrange each group of white retaining walls around each micro LED includes:
preparing a white substrate on the array substrate and among four white retaining walls in each group of white retaining walls;
and simultaneously transferring a plurality of micro LEDs on the white substrate by adopting a transfer back plate so that each group of white retaining walls are correspondingly arranged around each micro LED.
Optionally, the method further includes:
and preparing a six-color film substrate on one side of the protective layer, which is far away from the array substrate.
An embodiment of the present invention provides a display panel, including: an array substrate; the micro LEDs are arranged on the array substrate in an array mode, and are used for emitting blue light and a plurality of white retaining walls which are arranged around the micro LEDs respectively; the light conversion layer is arranged on one side, far away from the array substrate, of the micro LEDs, corresponds to the micro LEDs one by one, and is used for converting blue light incident to the light conversion layer into red light, green light and blue light; the protective layer, the protective layer sets up on the array substrate, fill white barricade deviates from the adjacent of miniature LED one side between the white barricade, and cover the light conversion layer. According to the embodiment of the invention, the micro LED is used as the light source on the array substrate, so that the light rays in the display area are more uniform and uniform, and the white retaining wall is used to reduce the loss of the light rays and improve the display quality of the display panel.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
fig. 2 is a top view of a micro LED and a white dam disposed on an array substrate according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a six-color filter substrate according to an embodiment of the present invention;
FIG. 4 is a flowchart illustrating steps of a method for fabricating a display panel according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a method for transferring micro LEDs according to an embodiment of the invention;
fig. 6 is a schematic diagram of another method for transferring micro LEDs according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, there is shown a display panel including:
an array substrate 10;
a plurality of micro LEDs 11, each of the micro LED arrays arranged on the array substrate, the micro LEDs configured to emit blue light;
the white retaining walls 12 are respectively arranged around the micro LEDs;
the light conversion layer 13 is arranged on one side of the micro LEDs far away from the array substrate, corresponds to the micro LEDs one by one, and is used for converting the blue light incident to the light conversion layer into red light, green light and blue light;
and the protective layer 14 is arranged on the array substrate and filled with the white retaining walls deviating from the adjacent positions on one side of the micro LED between the white retaining walls and covers the light conversion layer 13.
In the embodiment of the present invention, a base material is further included under the array substrate 10, and the base material may be a glass material.
In the embodiment of the invention, the micro LED is arranged to avoid the problem of nonuniform light distribution caused by a lateral light source, and the micro LED is an active method, so that high contrast is easier to realize.
In the embodiment of the present invention, the white banks 12 can function as a pixel defining layer, and can reflect the light emitted to the white banks, so as to reduce the loss of the light.
In the embodiment of the invention, referring to fig. 2, a plurality of white retaining walls 12 surround the micro LED11, so that light emitted from the micro LED11 does not emit to the periphery.
Wherein, the section of the white retaining wall 12 is a trapezoidal structure. The white retaining wall is made of a mixture of acrylic resin and white organic matters.
In the embodiment of the invention, the micro LED emits blue light, after the blue light passes through the light conversion layer, a part of the blue light passes through the light conversion layer to be red light, a part of the blue light passes through the light conversion layer to be converted into green light, and three colors of light are mixed to emit white light.
In the embodiment of the present invention, the method further includes: a white substrate 15; the white substrate 15 is disposed between the array substrate 10 and the micro LED 11.
In the embodiment of the present invention, the material of the white substrate 15 is the same as the material of the white banks 12, and is used for reflecting the light incident to the white substrate 15.
In the embodiment of the present invention, referring to fig. 1, the white retaining wall 12 protrudes the light conversion layer 13 at an end away from the array substrate 10.
Wherein, the white retaining wall 12 protrudes from the light conversion layer 13 at the end far away from the array substrate 10, which means that the white retaining wall 12 is higher than the light conversion layer 13 at the end far away from the array substrate 10.
Wherein, referring to fig. 1, the height of the white retaining wall 12 is higher than the sum of the heights of the white substrate 15, the micro LED11 and the light conversion layer 13; when the white retaining wall 12 protrudes out of the light conversion layer 13, the light emitted by the light conversion layer can be gathered, so that the loss of the light is reduced, and when the plurality of micro LEDs 11 are transferred, the plurality of micro LEDs can fall on the array substrate or the white substrate 11 at the same time, so that the micro LEDs and the array substrate or the white substrate are better bonded; furthermore, blue light emitted by the micro LED can be converted by the light conversion layer.
In the embodiment of the present invention, referring to fig. 3, the method further includes: a six-color film substrate 16; the six-color film substrate is arranged on one side of the protective layer far away from the array substrate.
Referring to fig. 1, the six-color film substrate includes a plurality of color resistors 161 arranged at intervals, and each color resistor corresponds to each micro LED one by one.
The color resistors 161 are filled with a black matrix 162, and the color resistors 161 include blue B, green G, red R, cyan C, magenta M, and yellow Y.
In the embodiment of the invention, the six-color film substrate can enable the display panel to be closer to the display effect of natural light, and avoid the damage of blue light.
In the embodiment of the invention, a transparent cover plate is further arranged on the six-color film substrate.
In the embodiment of the present invention, a flat layer 17 is disposed between the protective layer 14 and the six-color film substrate 16; and a cover plate 18 is arranged on one side of the six-color film substrate 16, which is deviated from the flat layer 17.
Wherein, the material of the flat layer 17 is photoresist. The cover plate 18 is made of glass material.
In an embodiment of the present invention, the thickness of the light conversion layer is: 0.8-5 μm.
Wherein, the light emitting direction of the light conversion layer can be adjusted by adjusting the thickness of the light conversion layer.
In an embodiment of the present invention, the material of the light conversion layer is: a quantum dot material.
The quantum dot material is a nano-scale semiconductor, and by applying a certain electric field or light pressure to the nano-scale semiconductor material, the nano-scale semiconductor material emits light with a specific frequency, and the frequency of the emitted light changes along 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-scale semiconductor.
An embodiment of the present invention provides a display panel, including: an array substrate; the micro LEDs are arranged on the array substrate in an array mode, the micro LEDs are used for emitting blue light and are provided with a plurality of white retaining walls, and the white retaining walls are arranged on the periphery of the micro LEDs respectively; the light conversion layer is arranged on one side, far away from the array substrate, of the micro LEDs, corresponds to the micro LEDs one by one, and is used for converting blue light incident to the light conversion layer into red light, green light and blue light; the protective layer, the protective layer sets up on the array substrate, fill white barricade deviates from the adjacent of miniature LED one side between the white barricade, and cover the light conversion layer. According to the embodiment of the invention, the micro LED is used as the light source on the array substrate, so that the light rays in the display area are more uniform and uniform, and the white retaining wall is used to reduce the loss of the light rays and improve the display quality of the display panel.
Example two
Referring to fig. 4, a flowchart illustrating steps of a method for manufacturing a display panel according to an embodiment of the present invention is shown; the preparation method specifically comprises the following steps:
step 201, providing an array substrate 10.
Step 202, preparing a plurality of groups of white retaining walls on the array substrate 10; each set of white retaining walls comprises: four white retaining walls 12 constituting a predetermined area.
In the embodiment of the invention, the white retaining wall material may be coated on the array substrate 10, and then the white retaining wall material is cured to obtain the white retaining wall.
Wherein, the section of the white retaining wall 12 is a trapezoidal structure. The white retaining wall is made of a mixture of acrylic resin and white organic matters.
In the embodiment of the present invention, the white banks 12 can function as a pixel defining layer, and can reflect the light emitted to the white banks, so as to reduce the loss of the light.
Step 203, a plurality of micro LEDs 11 are simultaneously transferred onto the array substrate by using a transfer backplane, so that each group of white retaining walls is correspondingly arranged around each micro LED 11.
In the embodiment of the invention, each group of white retaining walls corresponds to one micro LED, and each group of white retaining walls surrounds one micro LED.
Step 204, preparing a light conversion layer 13 on a side of the micro LEDs away from the array substrate, so that the light conversion layer 13 corresponds to the micro LEDs 11 one to one.
Wherein the light conversion layer is also surrounded by a set of white retaining walls. Wherein, the light conversion layer is a quantum dot material.
Wherein the white retaining wall 12 protrudes the light conversion layer 13 at an end away from the array substrate 10.
In the embodiment of the present invention, the white retaining wall 12 has high elasticity. The high-elasticity white retaining wall can keep the uniformity of the distance between each micro LED and the array substrate when the micro LEDs are transferred.
In the embodiment of the invention, the micro LED emits blue light, after the blue light passes through the light conversion layer, a part of the blue light passes through the light conversion layer to be red light, a part of the blue light is converted into green light through the light conversion layer, and the three colors of light are mixed to emit white light.
Step 205, filling a protective layer 14 on the array substrate between the adjacent white retaining walls on the side of the white retaining wall departing from the micro LED, and covering the light conversion layer 13 with the protective layer 14.
In this embodiment of the present invention, step 203 includes:
preparing a white substrate between four white retaining walls in each group of white retaining walls on the array substrate;
and simultaneously transferring a plurality of micro LEDs on the white substrate by adopting a transfer back plate so that each group of white retaining walls are correspondingly arranged around each micro LED.
In the embodiment of the invention, the white substrate is arranged between the micro LEDs and the array substrate, and the white substrate and the micro LEDs are in one-to-one correspondence.
In the embodiment of the present invention, the material of the white substrate 15 is the same as the material of the white banks 12, and is used for reflecting the light incident to the white substrate 15.
Wherein, the height of the white retaining wall 12 is higher than the sum of the heights of the white substrate 15, the micro LED11 and the light conversion layer 13; when the white retaining wall 12 protrudes out of the light conversion layer 13, the light emitted by the light conversion layer can be gathered, so that the loss of the light is reduced, and when the plurality of micro LEDs 11 are transferred, the plurality of micro LEDs can fall on the array substrate or the white substrate 11 at the same time, so that the micro LEDs and the array substrate or the white substrate are better bonded; furthermore, blue light emitted by the micro LED can be converted through the light conversion layer.
Referring to fig. 5, when no white retaining wall is provided, a plurality of micro LEDs are hung on the transfer backplane a, and due to uneven stress on the transfer backplane, the middle micro LED02 contacts the array substrate 10 first, and the micro LEDs 01 and 03 on both sides contact the array substrate 10 later, which causes the problem that the micro LEDs and the array substrate are not firmly bonded.
Referring to fig. 6(a), after the white dam is prepared on the array substrate 10, since the height of the white dam is higher than that of the micro LED, when a plurality of micro LEDs are transferred using the transfer backplane a, since the white dam has a certain supporting effect on the transfer backplane a and the white dam is compressed, the micro LEDs 01, 02 and 03 can simultaneously contact the array substrate or the white substrate, and thus the bonding between the micro LEDs and the array substrate or the white substrate can be secured.
Referring to fig. 6(b), after the micro LEDs are firmly bonded to the array substrate or the white substrate and the transfer backplane a is removed, the compressed white retaining wall can be restored.
In the embodiment of the present invention, the method further includes:
and preparing a six-color film substrate on one side of the protective layer, which is far away from the array substrate.
In the embodiment of the present invention, the manufacturing of the six-color film substrate on the side of the protective layer away from the array substrate specifically includes:
forming a plurality of black matrixes at intervals on the cover plate, and forming color resistance among the black matrixes to obtain a six-color film substrate;
in an embodiment of the present invention, a six-color filter substrate is formed on a cover plate, and after the six-color filter substrate is formed, the method further includes:
forming a flat layer on one side of the six-color film substrate, which is opposite to the cover plate;
in the embodiment of the invention, the formed flat layer and the protective layer are finally aligned to form a box, so that a final display panel is obtained.
The preparation method of the display panel provided by the embodiment of the invention comprises the following steps: providing an array substrate; preparing a plurality of groups of white retaining walls on the array substrate; each set of white retaining walls comprises: four white retaining walls forming a preset area; simultaneously transferring a plurality of micro LEDs on the array substrate by using a transfer back plate to enable each group of white retaining walls to be correspondingly arranged around each micro LED; preparing a light conversion layer on one side of the micro LED, which is far away from the array substrate, so that the light conversion layer corresponds to the micro LED one by one; and on the array substrate, the white retaining walls deviate from the adjacent parts on one side of the miniature LED, and a protective layer is filled between the white retaining walls. According to the display panel prepared by the embodiment of the invention, the micro LED is used as the light source on the array substrate, so that the light rays in the display area are more uniform and uniform, and the white retaining wall is used to reduce the loss of the light rays and improve the display quality of the display panel.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A display panel, comprising:
an array substrate;
the micro LEDs are arranged on the array substrate in an array mode and used for emitting blue light;
the white retaining walls are respectively arranged around the micro LEDs;
the light conversion layer is arranged on one side, far away from the array substrate, of the micro LEDs, corresponds to the micro LEDs one by one, and is used for converting blue light incident to the light conversion layer into red light, green light and blue light;
the protective layer is arranged on the array substrate, filled between the adjacent white retaining walls on the side, away from the micro LED, of the white retaining wall and covers the light conversion layer;
the display panel further includes: a white substrate;
the white substrate is arranged between the array substrate and the micro LED;
the white substrates correspond to the micro LEDs one by one, and are positioned between the white retaining walls;
the height of the white retaining wall is greater than the sum of the heights of the white substrate, the micro LED and the light conversion layer;
one end of the white retaining wall close to the array substrate is in contact with the white substrate;
the white retaining wall has elasticity.
2. The display panel of claim 1, wherein the white barriers protrude from the light conversion layer at an end away from the array substrate.
3. The display panel according to claim 1, further comprising: a six-color film substrate; the six-color film substrate is arranged on one side of the protective layer far away from the array substrate.
4. The display panel according to claim 3, wherein the six-color film substrate comprises a plurality of color resistors arranged at intervals, and each color resistor corresponds to each micro LED one by one.
5. The display panel according to claim 3, wherein a planarization layer is provided between the protective layer and the six-color film substrate; and a cover plate is arranged on one side of the six-color film substrate, which is away from the flat layer.
6. The display panel of claim 1, wherein the light conversion layer has a thickness of: 0.8-5 μm.
7. The display panel of claim 1, wherein the light conversion layer is made of: a quantum dot material.
8. A method for manufacturing a display panel, comprising:
providing an array substrate;
preparing a plurality of groups of white retaining walls on the array substrate; each set of white retaining walls comprises: four white retaining walls forming a preset area;
simultaneously transferring a plurality of micro LEDs on the array substrate by adopting a transfer back plate to enable each group of white retaining walls to be correspondingly arranged around each micro LED;
preparing a light conversion layer on one side of the micro LED, which is far away from the array substrate, so that the light conversion layer corresponds to the micro LED one by one;
filling a protective layer between the adjacent white retaining walls on the array substrate and on the side, away from the micro LED, of the white retaining wall, and enabling the protective layer to cover the light conversion layer;
adopt and shift the backplate and shift a plurality of miniature LED simultaneously on the array substrate, make each group white barricade correspond to set up all around each miniature LED, include:
preparing a white substrate on the array substrate and among four white retaining walls in each group of white retaining walls;
simultaneously transferring a plurality of micro LEDs on the white substrate by adopting a transfer back plate to enable each group of white retaining walls to be correspondingly arranged around each micro LED;
the white substrates correspond to the micro LEDs one by one, and are positioned between the white retaining walls;
the height of the white retaining wall is greater than the sum of the heights of the white substrate, the micro LED and the light conversion layer;
one end of the white retaining wall close to the array substrate is in contact with the white substrate;
the white retaining wall has elasticity.
9. The method of claim 8, further comprising:
and preparing a six-color film substrate on one side of the protective layer, which is far away from the array substrate.
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| CN201910978595.0A CN110690243B (en) | 2019-10-15 | 2019-10-15 | Display panel and preparation method thereof |
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| CN111723771A (en) * | 2020-06-30 | 2020-09-29 | 京东方科技集团股份有限公司 | Display device and manufacturing method thereof |
| CN111933631A (en) * | 2020-08-07 | 2020-11-13 | 广州市鸿利显示电子有限公司 | Display assembly and preparation method thereof |
| CN112786760B (en) * | 2020-12-31 | 2022-12-13 | 厦门天马微电子有限公司 | Display panel, preparation method and display device |
| CN113013310A (en) * | 2021-02-20 | 2021-06-22 | Tcl华星光电技术有限公司 | Display panel and display device |
| CN113990997A (en) * | 2021-10-09 | 2022-01-28 | 武汉华星光电半导体显示技术有限公司 | Display panel and preparation method thereof |
| WO2023123280A1 (en) * | 2021-12-30 | 2023-07-06 | 厦门市芯颖显示科技有限公司 | Display panel, display apparatus, and method for manufacturing display panel |
| WO2023123263A1 (en) * | 2021-12-30 | 2023-07-06 | 厦门市芯颖显示科技有限公司 | Display panel and manufacturing method therefor |
| WO2023221071A1 (en) * | 2022-05-20 | 2023-11-23 | 厦门市芯颖显示科技有限公司 | Display panel, preparation method therefor, and display apparatus |
| WO2024045021A1 (en) * | 2022-08-31 | 2024-03-07 | 京东方科技集团股份有限公司 | Display panel and preparation method therefor, and display apparatus |
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