CN114898658A - Display device and preparation method - Google Patents
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- CN114898658A CN114898658A CN202210383658.XA CN202210383658A CN114898658A CN 114898658 A CN114898658 A CN 114898658A CN 202210383658 A CN202210383658 A CN 202210383658A CN 114898658 A CN114898658 A CN 114898658A
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- 238000002360 preparation method Methods 0.000 title abstract description 7
- 230000001681 protective effect Effects 0.000 claims abstract description 48
- 238000005452 bending Methods 0.000 claims description 24
- 239000003292 glue Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 8
- 238000005457 optimization Methods 0.000 abstract description 3
- 238000007639 printing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
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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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Abstract
The invention provides a display device and a preparation method, wherein the display device comprises: the middle frame comprises a bottom and a side part positioned at the edge of the bottom, and the display panel is arranged in the screen cavity; the protective cover plate is arranged above the display panel; the protective cover plate comprises a first area corresponding to the display panel and an ink area surrounding the first area; the connecting portion of the protective cover plate in the ink region is connected to the side portion. Based on this structure, this application reaches the purpose of cancellation or optimization front bezel design through increaseing and optimizing the rete design of display module group the superiors to reduced the frame width, optimized the touch operation experience that has promoted the frame edge.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display device and a preparation method thereof.
Background
With the development of display technology, the folded display gradually shows the brand-new corner of the market, and in two years, each display main terminal manufacturer starts to launch or plans to launch the folded display device, and the market occupation rate of the folded display device is also increased year by year.
Fig. 1 and 2 show cross-sectional views of currently mainstream foldable display devices, which include a middle frame 11, a display module 12 and a front frame 13, wherein the display module 12 includes a support member 21, a display panel 22, an optical film layer 23 and a cover plate 24; wherein, the front bezel 13 is used for fixed display module 12 and carries out the shading to the border region of display module 12, and consequently the front bezel 13 all is higher than the display plane (the surface of apron 24 promptly) of display module 12, when touch operation, the operation experience is extremely poor in the edge (the region that front bezel 13 is located), simultaneously, owing to there is front bezel 13 to exist, the width of whole frame is great, influences folding performance.
Therefore, the existing foldable display device has the technical problem that the frame width of the display device is large, and needs to be improved.
Disclosure of Invention
The invention provides a display device and a preparation method thereof, which are used for relieving the technical problem that the existing folding display device is large in frame width.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
an embodiment of the present invention provides a display device, including:
the middle frame comprises a bottom part and a side part positioned at the edge of the bottom part, and the bottom part and the side part surround to form a screen cavity;
the display panel is arranged in the screen cavity;
the protective cover plate is arranged above the display panel;
wherein the protective cover includes a first area corresponding to the display panel and an ink area surrounding the first area; the connecting portion of the protective cover plate in the ink region is connected to the side portion.
In the display device provided by the embodiment of the invention, the top surface of the side part is provided with a groove, and the edge part of the connecting part is bent towards the bottom part and is fixed in the groove.
In the display device provided by the embodiment of the invention, the bottom wall of the groove comprises an arc-shaped part close to the screen cavity and an extension part extending from one side of the arc-shaped part far away from the screen cavity, the edge part of the connecting part is positioned on the arc-shaped part, and the extension part is provided with fixing glue connected with the edge part of the connecting part.
In the display device according to the embodiment of the invention, the edge portion of the connecting portion is bent toward the bottom portion and then fixed to the inner side of the side portion.
In the display device provided by the embodiment of the invention, the area of the side part far away from the bottom part extends into the screen cavity to form a limiting part, and the edge part of the connecting part is positioned between the bottom part and the limiting part.
In the display device provided by the embodiment of the invention, the edge part of the connecting part is bent towards the bottom part and then fixed on the inner side of the side part through fixing glue, two opposite side surfaces of the fixing glue are respectively attached to the outer side of the display panel and the inner side of the side part, and the width of the fixing glue is gradually reduced in the direction pointing to the side part along the bottom part.
In the display device provided by the embodiment of the invention, the display device further comprises a support member, the support member is arranged in the screen cavity and positioned between the bottom and the display panel, and the support member comprises a second area corresponding to the display panel and a bending area surrounding the second area; and the support bending part of the support member in the bending area is attached to the side face of the fixing glue.
In the display device provided by the embodiment of the invention, the support bending part is disconnected in the bending area of the display device.
In the display device provided by the embodiment of the invention, in the thickness direction of the display device, the top of the part of the protective cover plate in the first area exceeds or is flush with the top of the side part.
Meanwhile, an embodiment of the present invention provides a method for manufacturing a display device, including:
providing a middle frame, wherein the middle frame comprises a bottom part and a side part positioned at the edge of the bottom part, and the bottom part and the side part form a screen cavity in a surrounding mode;
disposing a display panel within the screen cavity;
arranging a protective cover plate above the display panel; the protective cover plate comprises a first area corresponding to the display panel and an ink area surrounding the first area;
connecting the connecting portion of the protective cover plate in the ink region with the side portion.
Meanwhile, an embodiment of the present invention provides a display module, which includes:
a display panel;
the protective cover plate is arranged above the display panel;
wherein the protective cover includes a first area corresponding to the display panel and an ink area surrounding the first area; and the connecting part of the protective cover plate in the ink area is used for being connected with the side part of the middle frame.
The invention has the beneficial effects that: the invention provides a display device and a preparation method, wherein the display device comprises: the middle frame comprises a bottom part and a side part positioned at the edge of the bottom part, and the bottom part and the side part surround to form a screen cavity; the display panel is arranged in the screen cavity; the protective cover plate is arranged above the display panel; wherein the protective cover includes a first area corresponding to the display panel and an ink area surrounding the first area; the connecting portion of the protective cover plate in the ink region is connected to the side portion. Based on this structure, this application is through the area of increase protection apron for the protection apron is in connecting portion in the printing ink region with the lateral part is connected and is played the effect of fixing display module assembly in the screen intracavity, simultaneously because the light leak also can be avoided to the regional light shading of printing ink, and the width that this application can reduce preceding frame promptly or need not set up preceding frame, can realize the fixed of display module assembly and marginal zone's shading, can solve the great technical problem of frame width that current folding display device exists, optimize and promoted frame edge touch operation and experience.
Drawings
The technical solutions and other advantages of the present application will become apparent from the following detailed description of specific embodiments of the present application when taken in conjunction with the accompanying drawings.
FIG. 1 is a schematic diagram of a prior art display device;
FIG. 2 is a schematic view of a display module according to the prior art;
fig. 3 is a schematic view of a display module according to an embodiment of the invention;
FIG. 4 is a diagram of a middle frame according to an embodiment of the present invention;
fig. 5 to 7 are schematic views illustrating die bonding according to an embodiment of the present invention;
FIG. 8 is a schematic view of a display module according to an embodiment of the present invention;
FIG. 9 is a schematic view of a support member according to an embodiment of the present invention;
FIG. 10 is a further schematic diagram of a middle frame according to an embodiment of the present invention;
FIG. 11 is a schematic view of a display device according to an embodiment of the present invention;
fig. 12 is another schematic diagram of a display device according to an embodiment of the 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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In this application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the invention. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present invention may be practiced without these specific details. In other instances, well-known structures and processes are not shown in detail to avoid obscuring the description of the invention with unnecessary detail. Thus, the present invention is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
The technical problem of the fixed display module assembly of frame before having to current folding display device exists, this application embodiment can alleviate.
In one embodiment, a display device provided in an embodiment of the present invention includes:
the middle frame comprises a bottom part and a side part positioned at the edge of the bottom part, and the bottom part and the side part surround to form a screen cavity;
the display panel is arranged in the screen cavity;
the protective cover plate is arranged above the display panel;
wherein the protective cover includes a first area corresponding to the display panel and an ink area surrounding the first area; the connecting portion of the protective cover plate in the ink region is connected to the side portion.
The present embodiment provides a display device including: the middle frame comprises a bottom part and a side part positioned at the edge of the bottom part, and the bottom part and the side part surround to form a screen cavity; the display panel is arranged in the screen cavity; the protective cover plate is arranged above the display panel; wherein the protective cover includes a first area corresponding to the display panel and an ink area surrounding the first area; the connecting portion of the protective cover plate in the ink area is connected with the side portion. Based on this structure, this application is through the area of increase protection apron, make protection apron be in connecting portion in the ink region with the lateral part is connected and is played the effect of fixing display module assembly in the screen intracavity, simultaneously because the light leak also can be avoided to the regional light shading of printing ink, this application need not set up the fixed and marginal region's of display module assembly can be realized to the front bezel promptly, can solve the technical problem of the fixed display module assembly of front bezel before the needs that current folding display device exists, and then solve various problems that current folding display device leads to because need use the front bezel, this application is through increaseing and optimizing the rete design of display module assembly the superiors promptly, reach the mesh of cancellation or optimizing front bezel design, thereby the frame width has been reduced, the optimization has promoted frame edge touch operation and has experienced.
In other embodiments, the present application further provides a display module, which includes:
a display panel;
the protective cover plate is arranged above the display panel;
the protective cover plate comprises a first area corresponding to the display panel and an ink area surrounding the first area; and the connecting part of the protective cover plate in the ink area is used for being connected with the side part of the middle frame.
The embodiment provides a display module, wherein a protective cover plate of the display module is arranged above a display panel; wherein the protective cover includes a first area corresponding to the display panel and an ink area surrounding the first area; and the connecting part of the protective cover plate in the ink area is used for being connected with the side part of the middle frame. Based on this structure, this application is through the area of increase protection apron for the protection apron is in connecting portion in the printing ink region with the lateral part is connected and is played the effect of fixing display module assembly in the screen intracavity, simultaneously because the light leak also can be avoided to the regional light shading of printing ink, and the frame can realize the fixed of display module assembly and the regional shading in edge before the width that this application can reduce preceding frame or need not set up promptly, can solve the technical problem that the frame fixed display module assembly before the needs that current folding display device exists.
Further, in other embodiments, the present application provides a method of manufacturing a display device, including the steps of:
step a, providing a frame body, wherein the frame body comprises a bottom part and a side part positioned at the edge of the bottom part, and a screen cavity is formed by the surrounding of the bottom part and the side part;
b, arranging a display panel in the screen cavity;
c, arranging a protective cover plate above the display panel; the protective cover plate comprises a first area corresponding to the display panel and an ink area surrounding the first area;
and d, connecting the connecting part of the protective cover plate in the ink area with the side part.
The present application will now be described in detail with reference to specific application scenarios.
Scene one
Fig. 3 is a schematic view of a display module according to an embodiment of the present invention, fig. 4 is a schematic view of a middle frame according to an embodiment of the present invention, and fig. 5 to 7 are schematic views of module attachment according to an embodiment of the present invention; scenario one is now described with reference to fig. 3-7.
As shown in fig. 3, in this embodiment, the display module provided in the present application includes:
the supporting member 31 may be a stainless steel alloy SUS and/or a plastic steel frame;
the display panel 32 may be composed of a back panel BP, an OLED, and the like;
the optical layer 33 can be a polarizer POL and/or an ultrathin glass UTG;
a protective cover 34, which may be a CW/PW flexible cover or a rigid cover; the application takes a flexible cover plate PW as an example for explanation;
wherein the supporting member 31 has a shape conforming to the display panel 32; the protective cover 34 includes a first area S1 corresponding to the display panel 32, and an ink area S2 surrounding the first area; the connection of the protective cover 34 in the ink area S2 is used to connect with the side of the center frame.
In one embodiment, the top surface of the side portion is provided with a groove, and an edge portion of the connecting portion is bent toward the bottom portion and fixed in the groove.
In one embodiment, the bottom wall of the groove comprises an arc part close to the screen cavity and an extension part extending from one side of the arc part far away from the screen cavity, the edge part of the connecting part is located on the arc part, and the extension part is provided with fixing glue connected to the edge part of the connecting part.
As shown in fig. 4, in the present embodiment, the middle frame 4 provided by the present application includes a bottom portion D and a side portion C located at an edge of the bottom portion D, the bottom portion D and the side portion C surround to form a screen cavity, and a top surface of the side portion C is provided with a groove; as shown in fig. 5 to 7, the edge portion of the connecting portion is bent toward the bottom portion and fixed in the groove.
As shown in fig. 4 and 5, the bottom wall of the groove includes an arc portion close to the screen cavity and an extension portion extending from a side of the arc portion away from the screen cavity, the edge portion of the connecting portion is located on the arc portion, and the extension portion is provided with a fixing adhesive connected to the edge portion of the connecting portion.
Specifically, as shown in fig. 3, the flexible cover PW can be divided into three portions, where the first portion is a transparent portion S11 corresponding to the display area, and the second portion is an ink area S12 corresponding to the non-display area of the panel. The third portion is a curved portion ink area S2 (where ink is provided), where the first and second portions are equally large as the display panel. As shown in FIG. 5, the material of the film layer of PW satisfies at least that the third portion has a stretchable function in the B-B' direction in the bending region S2, and the stretching ratio is at least greater than or equal to R + H)/R, where R is the folding bending radius and H is the height difference of the PW after bending.
According to the module design of the invention, when the display terminal is designed similarly to fig. 4, the module is attached to the middle frame as shown in fig. 5, then, as shown in fig. 6, dispensing filling is performed between the module PW and the middle frame, and finally, dispensing curing is performed as shown in fig. 7, so that the middle frame edge and the PW edge are completely filled and have no obvious touch concave-convex feeling, thus the width of the front frame can be reduced or the front frame can be removed, the non-display width of the frame is reduced, and the edge touch operation experience is improved.
Scene two
Fig. 8 is a schematic view of a supporting member according to an embodiment of the present invention, fig. 9 is a further schematic view of a display module according to an embodiment of the present invention, fig. 10 is a further schematic view of a middle frame according to an embodiment of the present invention, and fig. 11 is a further schematic view of a display device according to an embodiment of the present invention. Scenario two will now be described in detail with reference to fig. 8 to 11.
In one embodiment, the edge portion of the connecting portion is bent toward the bottom portion and then fixed to the inner side of the side portion. The embodiment can simplify the processing difficulty of the side part of the middle frame and realize the design of the ultra-narrow frame.
In one embodiment, the edge portion of the connecting portion is bent toward the bottom portion and then fixed to the inner side of the side portion through fixing glue, two opposite side surfaces of the fixing glue are respectively attached to the outer side of the display panel and the inner side of the side portion, and the width of the fixing glue is gradually reduced in a direction pointing to the side portion along the bottom portion.
In one embodiment, the support member is disposed within the screen cavity between the bottom and the display panel, the support member including a second region corresponding to the display panel and a curved region surrounding the second region; and the support bending part of the support member in the bending area is attached to the side face of the fixing glue.
In one embodiment, the support bending part is broken in the bending region of the display device, which may enhance the folding performance.
Specifically, as shown in fig. 8, the display module provided by the present application includes:
the supporting member 81 may be a stainless steel alloy SUS and/or a plastic steel frame;
the display panel 82 may be formed by a back panel BP, an OLED, and other members;
the optical layer 83 can be a polarizer POL and/or an ultrathin glass UTG;
a protective cover 84, which may be a CW/PW flexible cover or a rigid cover; the application takes a flexible cover plate PW as an example for explanation;
wherein, the supporting member 81 is designed as shown in fig. 9, the protective cover 84 includes a first area S1 ' corresponding to the display panel 82, and an ink area S2 ' surrounding the first area S1 '; the connection of the protective cover 84 in the ink area S2' is for connection with the side of the center frame.
As shown in fig. 9, the middle portion of the support member 81 such as SUS is a display region support M1 and a bending region M2, and the periphery is a bending region M3, the second region in the above embodiment includes a display region support M1 and a bending region M2, the bending region includes a bending region M3, and the support bending portion of the support member in the bending region M3 is broken in the bending region M2 of the display device.
As shown in fig. 10 and 11, the middle frame 40 is recessed in the edge region of the bottom D, and the display module is assembled inside the panel cavity by using the sealant E, in which the SUS bending portion of the display module is overlapped with the screen cavity side bending portion without being pasted with glue, and the SUS edge and the side edge are sealed by dispensing. At this time, the support bent portion of the support member in the bent region is attached to the side surface of the fixing paste.
Scene three
Fig. 12 is another schematic diagram of a display device according to an embodiment of the invention. Scenario three is now described in conjunction with fig. 12.
In this scenario, the display module has the same structure as in scenario two, and is not repeated.
In one embodiment, the region of the side portion away from the bottom portion extends into the screen cavity to form a limiting portion, and the edge portion of the connecting portion is located between the bottom portion and the limiting portion.
As shown in fig. 12, the region of the side portion C of the middle frame 40, which is far away from the bottom, extends into the screen cavity to form a limiting portion, and at this time, the display module only needs to be arranged in the screen cavity, and dispensing is not needed.
In one embodiment, as shown in fig. 7, 11 and 12, the top of the portion of the protective cover plate in the first area exceeds or is flush with the top of the side portion in the thickness direction of the display device.
According to the above embodiments:
the invention provides a display device and a preparation method, wherein the display device comprises: the middle frame comprises a bottom part and a side part positioned at the edge of the bottom part, and the bottom part and the side part surround to form a screen cavity; the display panel is arranged in the screen cavity; the protective cover plate is arranged above the display panel; wherein the protective cover includes a first area corresponding to the display panel and an ink area surrounding the first area; the connecting portion of the protective cover plate in the ink region is connected to the side portion. Based on this structure, this application is through the area of increase protection apron, make protection apron be in connecting portion in the ink region with the lateral part is connected and is played the effect of fixing display module assembly in the screen intracavity, simultaneously because the light leak also can be avoided to the regional light shading of printing ink, this application need not set up the fixed and marginal region's of display module assembly can be realized to the front bezel promptly, can solve the technical problem of the fixed display module assembly of front bezel before the needs that current folding display device exists, and then solve various problems that current folding display device leads to because need use the front bezel, this application is through increaseing and optimizing the rete design of display module assembly the superiors promptly, reach the mesh of cancellation or optimizing front bezel design, thereby the frame width has been reduced, the optimization has promoted frame edge touch operation and has experienced.
In view of the foregoing, it is intended that the present invention cover the preferred embodiment of the invention and not be limited thereto, but that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. A display device, comprising:
the middle frame comprises a bottom part and a side part positioned at the edge of the bottom part, and the bottom part and the side part form a screen cavity;
the display panel is arranged in the screen cavity;
the protective cover plate is arranged above the display panel;
wherein the protective cover includes a first area corresponding to the display panel and an ink area surrounding the first area; the connecting portion of the protective cover plate in the ink region is connected to the side portion.
2. The display device according to claim 1, wherein the top surface of the side portion is provided with a groove, and an edge portion of the connecting portion is bent toward the bottom portion and fixed in the groove.
3. The display device according to claim 2, wherein the bottom wall of the recess includes an arc portion adjacent to the screen cavity and an extension portion extending from a side of the arc portion away from the screen cavity, the edge portion of the connecting portion being located on the arc portion, the extension portion being provided with a fixing paste connected to the edge portion of the connecting portion.
4. The display device according to claim 1, wherein an edge portion of the connecting portion is bent toward the bottom portion and fixed to an inner side of the side portion.
5. The display apparatus as claimed in claim 4, wherein a region of the side portion away from the bottom portion extends into the screen cavity to form a stopper portion, and the edge portion of the connecting portion is located between the bottom portion and the stopper portion.
6. The display device according to claim 4, wherein an edge portion of the connecting portion is bent toward the bottom portion and fixed to an inner side of the side portion by fixing glue, opposite side surfaces of the fixing glue respectively fit to an outer side of the display panel and an inner side of the side portion, and a width of the fixing glue is gradually reduced in a direction toward the side portion along the bottom portion.
7. The display device of claim 6, further comprising a support member disposed within the screen cavity between the bottom and the display panel, the support member including a second region corresponding to the display panel and a curved region surrounding the second region; and the support bending part of the support member in the bending area is attached to the side face of the fixing glue.
8. The display device of claim 7, wherein the support bend is broken in a bend region of the display device.
9. The display device according to claim 1, wherein a top of a portion of the protective cover at the first area exceeds or is flush with a top of the side portion in a thickness direction of the display device.
10. A method of manufacturing a display device, comprising:
providing a middle frame, wherein the middle frame comprises a bottom part and a side part positioned at the edge of the bottom part, and the bottom part and the side part form a screen cavity in a surrounding mode;
disposing a display panel within the screen cavity;
disposing a protective cover over the display panel; the protective cover plate comprises a first area corresponding to the display panel and an ink area surrounding the first area;
connecting the connecting portion of the protective cover plate in the ink region with the side portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210383658.XA CN114898658B (en) | 2022-04-12 | 2022-04-12 | Display device and preparation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210383658.XA CN114898658B (en) | 2022-04-12 | 2022-04-12 | Display device and preparation method |
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| CN114898658A true CN114898658A (en) | 2022-08-12 |
| CN114898658B CN114898658B (en) | 2024-03-08 |
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