CN113160708A - Flexible display module and electronic equipment - Google Patents
Flexible display module and electronic equipment Download PDFInfo
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- CN113160708A CN113160708A CN202110374342.XA CN202110374342A CN113160708A CN 113160708 A CN113160708 A CN 113160708A CN 202110374342 A CN202110374342 A CN 202110374342A CN 113160708 A CN113160708 A CN 113160708A
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- display panel
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
Abstract
The embodiment of the present disclosure provides a flexible display module and an electronic device, the flexible display module includes: a display panel having a display side and a non-display side, a first edge and a second edge opposite to the first edge of the display panel each being bent toward the non-display side of the display panel to form an edge bend; the FPC board is arranged at the edge bending part and is connected with the display panel through the COF layer; a plurality of antenna modules integrated on a display side of at least one edge bend of the display panel; the antenna comprises a plurality of antenna modules, a plurality of feed structures, a plurality of antenna modules and a FPC board, wherein the antenna modules are arranged on the same plane, and the feed structures correspond to the antenna modules one to one.
Description
Technical Field
The present disclosure relates to the field of display technologies, and in particular, to a flexible display module and an electronic device.
Background
In recent years, wireless communication has been realized by wireless local area networks (bluetooth, Wifi, etc.) and mobile communication network connection technologies. With the continuous update of the technology, the mobile communication network gradually evolves from the first generation (1G) of voice communication to the fourth generation (4G) of mobile communication which is currently widely used in the market, and meanwhile, the fifth generation (5G) of mobile communication will be on the market.
Different kinds of communication service need be realized through the antenna module of different frequency channels, and this makes the last antenna module that needs to settle multiple frequency channel of electronic equipment, for example, need use 3.3 ~ 3.6GHz and 4.8 ~ 5 GHz's low band to provide services such as bluetooth, phone among the 5G electronic equipment, and use 28 GHz's high band to provide services such as Wifi. However, the plurality of antenna modules occupy a large space, and it is difficult to provide a sufficient space for placing the plurality of antenna modules for a portable electronic device with a small size, such as a mobile phone.
Disclosure of Invention
An object of the disclosed embodiment is to provide a flexible display module and a display device, so as to solve the problem that a small electronic device is difficult to provide a sufficient space for placing a plurality of antenna modules. The specific technical scheme is as follows:
in one aspect of the disclosed embodiment, a flexible display module is provided, which includes:
a display panel having a display side and a non-display side, a first edge and a second edge opposite the first edge of the display panel each being bent toward the non-display side of the display panel to form two edge bends;
the FPC board is arranged on the edge bending part and is connected with the display panel through a COF layer;
a plurality of antenna modules integrated on a display side of at least one edge bend of the display panel;
the antenna comprises a plurality of antenna modules, a plurality of feed structures and a plurality of FPC boards, wherein the plurality of feed structures correspond to the plurality of antenna modules one to one, and each feed structure is connected with one antenna module and the FPC board.
In some embodiments, the display panel includes a planar portion between two of the edge bends, each of the edge bends including a bending region in an arc shape and a connection region parallel to the planar portion;
the antenna modules are integrated on the display side of the bending area.
In some embodiments, the plurality of antenna modules are integrated on a side of the connection region away from the planar portion.
In some embodiments, the flexible display module further comprises a connecting member for connecting the planar portion and the connecting region.
In some embodiments, the plurality of antenna modules are integrated in two edge bent portions of the display panel, and the signal frequency bands of the plurality of antenna modules located in the same edge bent portion are the same.
In some embodiments, the two edge bends comprise a first edge bend at the first edge and a second edge bend at the second edge;
eight antenna modules are integrated on the first edge bending part and are uniformly arranged along the long side of the first edge bending part;
two antenna modules are integrated on the second edge bending part, and the two antenna modules are located at two ends of the second edge bending part.
In some embodiments, the flexible display module further comprises:
the flexible cover plate is arranged on the display side of the display panel in a stacked mode and extends to the edge bending portion;
a flexible backplane, the flexible backplane stacked with the non-display side of the display panel, and the flexible backplane extending to the edge bend.
In some embodiments, the flexible display module further comprises:
the polaroid is positioned between the display panel and the flexible cover plate;
and the heat dissipation film layer is positioned on one side of the flexible base plate, which is far away from the display panel.
In some embodiments, the flexible display module further includes a semiconductor chip connected to the display panel through the COF layer.
In another aspect of the embodiments of the present disclosure, an electronic device is provided, where the electronic device includes any one of the flexible display modules described above.
The embodiment of the disclosure has the following beneficial effects:
the flexible display module comprises a display panel, an FPC board, a plurality of antenna modules and a plurality of feed structures in one-to-one correspondence with the antenna modules. The first edge and the second edge of the display panel are both provided with an edge bending part bending towards the non-display side, and the two edge bending parts are bent to the non-display side of the display panel and then connected with the non-display side of the display panel. The plurality of antenna modules are integrated on the display side of at least one edge bending part, and each antenna module is connected with the FPC board through a feeding structure to realize feeding of the antenna module. Integrate a plurality of antenna module in display panel's edge bending portion for a plurality of antenna module do not occupy the inside space of small-size electronic equipment, and because edge bending portion is located display panel's non-display side after buckling, a plurality of antenna module do not influence display panel's demonstration and touch-control, have solved small-size electronic equipment and have been difficult to provide sufficient space and place a plurality of antenna module's problem.
Of course, not all advantages described above need to be achieved at the same time to practice any one product or method of the present disclosure.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and it is also obvious for a person skilled in the art to obtain other embodiments according to the drawings.
Fig. 1 is a schematic structural diagram of a flexible display module according to some embodiments of the present disclosure;
FIG. 2 is a cross-sectional view of a flexible display module according to some embodiments of the present disclosure at an edge bend;
FIG. 3 is a schematic view of another structure of a flexible display module according to some embodiments of the present disclosure;
FIG. 4 is another cross-sectional view of a flexible display module according to some embodiments of the present disclosure at an edge bend;
fig. 5 is a schematic diagram of an antenna pattern of an antenna module according to some embodiments of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments derived from the present application by a person of ordinary skill in the art based on the embodiments in the present disclosure are within the scope of protection of the present disclosure.
With the development of communication technology, antenna modules with multiple working frequency bands need to be arranged in electronic equipment to realize different types of communication services. However, the space inside the electronic device with a small volume is small, and it is difficult to provide enough space for installing more antenna modules. In the related art, in order to save the internal space of the electronic device and increase the placeable area of the antenna module, the antenna module is integrated in the touch layer of the display panel, but the integration of the antenna module in the touch layer of the display panel may reduce the touch sensitivity of the electronic device and may reduce the touch area of the electronic device.
In order to solve the problem that a small electronic device is difficult to provide a sufficient space for placing a plurality of antenna modules, the flexible display module and the electronic device provided by the embodiments of the present disclosure are provided in the embodiments of the present disclosure, and the flexible display module and the electronic device provided by the embodiments of the present disclosure will be described with reference to the accompanying drawings. The flexible display module provided in the embodiment of the present disclosure includes, but is not limited to, an OLED (Organic Light Emitting Diode) flexible display module, a QLED (Quantum Dot Light Emitting Diode) flexible display module, and the like.
As shown in fig. 1 and fig. 2, the flexible display module provided in the embodiment of the present disclosure includes:
a display panel 1, the display panel 1 having a display side 110 and a non-display side 100, a first edge and a second edge opposite to the first edge of the display panel 1 each being bent toward the non-display side 100 of the display panel 1 to form an edge bend 11;
the FPC board 2 is arranged on the edge bending part 11 and is connected with the display panel 1 through the COF layer 3;
a plurality of antenna modules 4, the plurality of antenna modules 4 being integrated on a display side of at least one edge bend 11 of the display panel 1;
and the feed structures correspond to the antenna modules 4 one by one, and each feed structure is connected with one antenna module 4 and the FPC board 2.
The display panel 1 includes a display side 110 and a non-display side 100, and the display panel 1 includes a display region and a non-display region. In the embodiment of the present disclosure, the non-display area also includes a display side and a non-display side, wherein the display side of the non-display area is the same as the display side of the display panel 1, and the non-display side of the non-display area is the same as the non-display side of the display panel 1. Accordingly, the edge bending portion 11 is located in the non-display area of the display panel 1, the display side of the edge bending portion 11 is the display side of the non-display area, and the non-display side of the edge bending portion is the non-display side of the non-display area.
In the embodiment of the present disclosure, the display panel 1 is a flexible display panel, so that the display panel 1 can be bent or the display panel 1 can be bent at a specific angle according to actual requirements. The display panel 1 may be a display panel having only a display function, or may be a touch display panel having both a display function and a touch function.
The first edge of the display panel 1 may be understood as an upper side of the electronic device when the display panel 1 is mounted in the electronic device such as a mobile phone, and the second edge may be understood as a lower side of the electronic device when the display panel 1 is mounted in the electronic device such as a mobile phone, and for convenience of description, the first edge of the display panel 1 will be referred to as an upper side of the display panel 1 and the second edge as a lower side of the display panel.
The upper side and the lower side of the display panel 1 are provided with edge bending portions 11 bending towards the non-display side 100 of the display panel, the two edge bending portions 11 are provided with various circuit traces, such as VSS, VDD and the like, after the two edge bending portions 11 bend towards the non-display side of the display panel 1, the two edge bending portions 11 are partially overlapped and connected with the non-display side 100 of the display panel 1, and the frame widths of the upper side and the lower side of a display module in the electronic device are reduced.
The plurality of antenna modules 4 are integrated in at least one edge bent portion 11 of the display panel 1, and after the edge bent portion 11 integrated with the plurality of antenna modules 4 is bent toward the non-display side 100 of the display panel 1, the plurality of antenna modules 4 are also positioned on the non-display side of the display panel 1. Each antenna module 4 is connected to the FPC board 2 through a feeding structure to realize feeding of the antenna module 4. The connection manner of the feed structure and the FPC board 2 is not specifically limited in the embodiments of the present disclosure, and in one example, each feed structure is electrically connected to the feed network of the FPC board 2 by bonding (binding).
The plurality of antenna modules 4 may be integrated into one of the two edge bent portions 11, or may be integrated into the upper and lower edge bent portions, respectively. The number of the plurality of antenna modules 4 and the integration position of the plurality of antenna modules 4 on the edge bent portion 11 may be set according to actual requirements, which is not specifically limited in the embodiment of the present disclosure.
In some embodiments, the plurality of antenna modules 4 are integrated into two edge bending portions 11 of the display panel 1, and the signal frequency bands of the plurality of display modules 4 located in the same edge bending portion are the same.
In the embodiment of the present disclosure, as shown in fig. 1, a plurality of antenna modules 4 may be respectively integrated into the upper and lower edge bent portions 11 of the display panel 1. The signal frequency bands of the plurality of antenna modules 4 integrated in the same edge bent portion 11 are the same, and the signal frequency bands of the plurality of antenna modules 4 integrated in the upper edge bent portion 11 and the plurality of antenna modules 4 integrated in the lower edge bent portion 11 may be different. For example, the plurality of high-band antenna modules may be integrated in the upper edge bent portion 11, the plurality of low-band antenna modules may be integrated in the lower edge bent portion 11, the plurality of low-band antenna modules may be integrated in the upper edge bent portion 11, and the plurality of high-band antenna modules 4 may be integrated in the lower edge bent portion 11. The plurality of high-frequency band antenna modules can be used for high-frequency communication services such as radiation of 5G millimeter wave signals, and the plurality of low-frequency band antenna modules can be used for low-frequency communication services such as Bluetooth and telephones.
In addition, when a plurality of high frequency antenna modules are integrated in the edge bent portion 11 on the upper side, the plurality of high frequency antenna modules may be coupled to cooperate with each other, for example, by bonding the plurality of high frequency antenna modules in the feed network of the FPC board 2, so that the high frequency signal is enhanced and the gain of the plurality of high frequency antenna modules is increased.
The size of the plurality of antenna modules 4 is not particularly limited in the embodiment of the present disclosure, and in one example, the size of the plurality of antenna modules 4 may be 2 to 4mm, and the size of the high-frequency antenna module for radiation of 5G millimeter wave signals may be a quarter wavelength. In addition, the number of the antenna modules 4 integrated in the upper and lower edge bent portions 11 is not particularly limited in the embodiments of the present disclosure.
In some embodiments, the two edge bends 11 include a first edge bend 111 at a first edge and a second edge bend 112 at a second edge;
eight antenna modules 4 are integrated on the first edge bending part 111, and the eight antenna modules 4 are uniformly arranged along the long side of the first edge bending part 111; two antenna modules 4 are integrated on the second edge bent portion 112, and the two antenna modules 4 are located at both ends of the second edge bent portion 112.
In the embodiment of the present disclosure, the eight antenna modules 4 are linearly and uniformly arranged, so that the coverage of signal radiation is wider and more uniform. Two antenna modules 4 are located at two ends of the second bent edge portion 112, specifically, the second bent edge portion 112 is substantially rectangular, and two antenna modules 4 may be located at two corner points of the lower side of the second bent edge portion 112, as shown in fig. 1; two antenna modules 4 may also be located at two corner points of the upper side of the second edge bend 112, as shown in fig. 3. The two antenna modules 4 are located at both ends of the second edge bend 112, so that the feeding structures of the two antenna modules 4 are easily led out from the second edge bend 112 to be connected with the feeding network of the FPC board 2.
In some embodiments, the display panel 1 includes a plane portion 12 located between two edge bends 11, each edge bend 11 includes a bending region 111 having an arc shape and a connection region 112 parallel to the plane portion 12; a plurality of antenna modules 4 are integrated on the display side of the inflection region 111.
In the embodiment of the disclosure, as shown in fig. 2, the display side of the bending region 111, that is, the side of the bending region 111 facing the outside, integrates the plurality of antenna modules 4 on the display side of the bending region 111, so that when the flexible display module is installed in the electronic device, the plurality of antenna modules 4 radiate towards the upper end and the lower end of the electronic device, and the antenna modules are prevented from directly radiating towards the operator when the operator uses the electronic device. In addition, the antenna modules are integrated in the bending region 111, so that the antenna modules 4 are not in contact with the touch layer of the display panel 1 and the display region of the display panel 1, and the touch sensitivity, the touch area and the display area of the display panel 1 are not affected.
In one embodiment, a plurality of antenna modules 4 are integrated on the side of the connection region 112 remote from the planar portion 12.
In the embodiment of the present disclosure, as shown in fig. 4, the plurality of antenna modules 4 are integrated on the side of the connection region 112 away from the planar portion 12, so that when the display panel 1 is mounted on the electronic device, the plurality of antenna modules 4 are close to the back of the electronic device, thereby causing the plurality of antenna modules 4 to radiate toward the back of the electronic device in operation. And since the connection area 112 is parallel to the display panel 1 and connected to the non-display side of the display panel 1, the plurality of antenna modules 4 integrated in the connection area 112 are not in contact with the touch layer of the display panel 1 and the display area of the display panel 1, and the touch sensitivity, the touch area, and the display area of the display panel 1 are not affected.
In the flexible display module provided by the embodiment of the present disclosure, the plurality of antenna modules 4 are integrated on at least one edge bending portion 11 of the display panel 1, and each antenna module 4 is connected with the FPC board 2 through a feeding structure, so as to realize feeding of the antenna module 4. The plurality of antenna modules 4 are integrated in the edge bending part 11 of the display panel 1, so that the plurality of antenna modules 4 do not occupy the space inside the small electronic device, and because the edge bending part 11 is located on the non-display side 100 of the display panel 1 after being bent, the plurality of antenna modules 4 do not affect the display and touch of the display panel 1, and the problem that the small electronic device is difficult to provide enough space for placing the plurality of antenna modules is solved.
The antenna patterns of the plurality of antenna modules 4 are not particularly limited in the embodiments of the present disclosure, and in one example, the antenna patterns of the antenna modules 4 may be patterns as shown in fig. 5. The plurality of antenna modules 4 may also be antenna patterns in other forms, which is not particularly limited in the embodiments of the present disclosure.
In some embodiments, the flexible display module further comprises a connecting member 5, wherein the connecting member 5 is used for connecting the planar portion 12 and the connecting region 112.
In the embodiment of the present disclosure, the upper and lower sides of the connecting member 5 may be bonded to the non-display side of the planar portion 12 and the connecting region 112, respectively, so as to fix the edge bent portion 11 to the non-display side 100 of the display panel 1. The thickness of the connecting member 5 affects the corresponding bending radius of the bending portion 11 of the edge bending portion 11, and specifically, the larger the thickness of the connecting member 5, the larger the corresponding bending radius of the bending portion 11, and the smaller the thickness of the connecting member 5, the smaller the corresponding bending radius of the bending portion 11. Therefore, the thickness of the connecting member 5 can be adjusted to adjust the degree of bending of the edge bent portion 11 according to actual circumstances.
The connection manner of the connection member 5 and the plane portion 12 and the connection region 112 is not particularly limited in the embodiments of the present disclosure, for example, the connection member 5 may be bonded to the plane portion 12 and the connection region 112 by PSA (Pressure Sensitive Adhesive). The material of the connecting member 5 is also not particularly limited in the embodiment of the present disclosure, for example, the material of the connecting member 5 may be a light PET (polyester resin) plastic.
In some embodiments, the flexible display module further comprises:
a flexible cover sheet, which is stacked on the display side 110 of the display panel 1 and extends to the edge bending portion 11;
and a flexible backplane 6, the flexible backplane being stacked on the non-display side 100 of the display panel 1, and the flexible backplane 6 extending to the edge bend 11.
In the embodiment of the present disclosure, the flexible cover plate and the flexible bottom plate 6 are both made of flexible materials, and are used for protecting the display panel 1, and when the two edge bending portions 11 of the display panel 1 are bent, the flexible cover plate and the flexible bottom plate 6 are also bent correspondingly. The flexible cover plate is bonded with the display panel 1 through an Optically Clear Adhesive (OCA) layer, and the OCA layer and the flexible cover plate have high light transmittance and lower light absorption, so that light generated by the display panel 1 can well penetrate through the OCA layer and the flexible cover plate.
In some embodiments, the flexible display module further comprises:
the polaroid 7, the polaroid 7 locates between display panel 1 and flexible cover plate;
and the heat dissipation film layer 8 is positioned on one side of the flexible bottom plate 6, which is far away from the display panel 1.
In the embodiment of the present disclosure, the polarizer 7 is located between the display panel 1 and the flexible cover plate, specifically, the polarizer is located between the OCA glue layer and the display panel 1. The polarizer 7 is used to separate the OCA glue layer from the display panel 1 to protect the display panel 1, and is also used to control the polarization direction of light, so as to convert and analyze the light beam generated by the display panel 1 to generate light-dark contrast, thereby generating a display picture.
Based on this, as shown in fig. 2, one side of the connection member 5 is bonded to the heat dissipation film layer 8, and the other side is bonded to the flexible substrate 6.
In some embodiments, the flexible display module further includes a semiconductor chip 9, and the semiconductor chip 9 is connected to the display panel 1 through the COF layer 3.
The embodiment of the present disclosure further provides an electronic device, which includes the above flexible display module. Electronic devices include, but are not limited to, cell phones, electronic watches, tablet computers, and the like. Because electronic equipment includes above-mentioned flexible display module assembly, a plurality of antenna module 4 integration in the marginal bend 11 of display panel 1 among the above-mentioned flexible display module assembly for a plurality of antenna module 4 do not occupy the inside space of small-size electronic equipment, and a plurality of antenna module 4 do not influence display and touch-control of display panel 1, have solved small-size electronic equipment and have been difficult to provide the problem that sufficient space placed a plurality of antenna module 4, therefore electronic equipment also possesses above-mentioned advantage.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only for the preferred embodiment of the present disclosure, and is not intended to limit the scope of the present disclosure. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present disclosure are included in the scope of protection of the present disclosure.
Claims (10)
1. The utility model provides a flexible display module assembly which characterized in that, flexible display module assembly includes:
a display panel having a display side and a non-display side, a first edge and a second edge opposite the first edge of the display panel each being bent toward the non-display side of the display panel to form an edge bend;
the FPC board is arranged on the edge bending part and is connected with the display panel through a COF layer;
a plurality of antenna modules integrated on a display side of at least one edge bend of the display panel;
the antenna comprises a plurality of antenna modules, a plurality of feed structures and a plurality of FPC boards, wherein the plurality of feed structures correspond to the plurality of antenna modules one to one, and each feed structure is connected with one antenna module and the FPC board.
2. The flexible display module of claim 1, wherein the display panel comprises a planar portion between two of the edge bends, each of the edge bends comprising an arc-shaped bending region and a connecting region parallel to the planar portion;
the antenna modules are integrated on the display side of the bending area.
3. The flexible display module of claim 2, wherein the plurality of antenna modules are integrated on a side of the connection region away from the planar portion.
4. The flexible display module of claim 2, further comprising a connector for connecting the planar portion to the connection region.
5. The flexible display module of claim 1, wherein the plurality of antenna modules are integrated on two edge bends of the display panel, and the signal frequency bands of the plurality of antenna modules located on the same edge bend are the same.
6. The flexible display module of claim 5, wherein the two edge bends comprise a first edge bend at the first edge and a second edge bend at the second edge;
eight antenna modules are integrated on the first edge bending part and are uniformly arranged along the long side of the first edge bending part;
two antenna modules are integrated on the second edge bending part, and the two antenna modules are located at two ends of the second edge bending part.
7. The flexible display module of claim 1, further comprising:
the flexible cover plate is arranged on the display side of the display panel in a stacked mode and extends to the edge bending portion;
a flexible backplane, the flexible backplane stacked with the non-display side of the display panel, and the flexible backplane extending to the edge bend.
8. The flexible display module of claim 7, further comprising:
the polaroid is positioned between the display panel and the flexible cover plate;
and the heat dissipation film layer is positioned on one side of the flexible base plate, which is far away from the display panel.
9. The flexible display module of claim 1, further comprising a semiconductor chip connected to the display panel via the COF layer.
10. An electronic device, comprising the flexible display module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110374342.XA CN113160708A (en) | 2021-04-07 | 2021-04-07 | Flexible display module and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110374342.XA CN113160708A (en) | 2021-04-07 | 2021-04-07 | Flexible display module and electronic equipment |
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| CN113160708A true CN113160708A (en) | 2021-07-23 |
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| CN202110374342.XA Pending CN113160708A (en) | 2021-04-07 | 2021-04-07 | Flexible display module and electronic equipment |
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Cited By (1)
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| WO2023070575A1 (en) * | 2021-10-29 | 2023-05-04 | 京东方科技集团股份有限公司 | Display module |
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