CN113690388A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN113690388A CN113690388A CN202110952995.1A CN202110952995A CN113690388A CN 113690388 A CN113690388 A CN 113690388A CN 202110952995 A CN202110952995 A CN 202110952995A CN 113690388 A CN113690388 A CN 113690388A
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- isolation
- edge
- display area
- columns
- display panel
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/842—Containers
- H10K50/8428—Vertical spacers, e.g. arranged between the sealing arrangement and the OLED
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The embodiment of the invention discloses a display panel and a display device. The display panel comprises a display area and a non-display area; the isolation column is arranged in the non-display area; the isolation column is used for preventing the packaging adhesive from overflowing to the display area; the isolation columns comprise a plurality of first isolation columns and a plurality of second isolation columns; the first isolation columns are arranged on one side, adjacent to the display area, of the non-display area, and the adjacent first isolation columns are arranged at intervals of a first preset distance; the second isolation columns are arranged on one side, away from the display area, of the first isolation column, and the adjacent second isolation columns are arranged at intervals of a second preset distance; wherein at least one of the first preset distance and the second preset distance is greater than zero; the perpendicular projections of the first and second isolated columns do not overlap. The technical scheme provided by the embodiment of the invention increases the dispensing area of the packaging adhesive, provides more circulation paths for the packaging adhesive, prevents the packaging adhesive from crossing an isolation column and spreading to the display area, and solves the problem that the packaging adhesive of the display panel is easy to overflow to the display area.
Description
Technical Field
The embodiment of the invention relates to the technical field of display, in particular to a display panel and a display device.
Background
With the development of display technology and the improvement of living standard of people, the requirement on the display effect of the display panel is higher and higher. When the existing display panel is subjected to narrow frame, the packaging glue in the frame area is easy to overflow to a display area, and the display effect of the display panel is influenced.
Disclosure of Invention
The embodiment of the invention provides a display panel and a display device, and aims to solve the problem that when the existing display panel is subjected to narrow frame, packaging glue in a frame area is easy to overflow to a display area, and the display effect of the display panel is influenced.
In order to realize the technical problem, the invention adopts the following technical scheme:
in a first aspect, an embodiment of the present invention provides a display panel, including: a display area and a non-display area;
the isolation column is arranged in the non-display area; the isolation column is used for preventing the packaging adhesive from overflowing to the display area;
the isolation columns comprise a plurality of first isolation columns and a plurality of second isolation columns;
the first isolation columns are arranged on one side, adjacent to the display area, of the non-display area, and the adjacent first isolation columns are arranged at intervals of a first preset distance;
the second isolation columns are arranged on one side, away from the display area, of the first isolation column, and the adjacent second isolation columns are arranged at intervals of a second preset distance; wherein at least one of the first preset distance and the second preset distance is greater than zero;
the perpendicular projections of the first and second isolated columns do not overlap.
Optionally, the isolation pillar includes a first edge extending in a first direction;
wherein the first direction is parallel to a boundary between the display area and the non-display area.
Optionally, the isolation column further comprises:
a second edge extending in a second direction, the second edge being adjacent to the first end of the first edge;
wherein the second direction intersects the first direction.
Optionally, the isolation column further comprises:
a third edge extending along a third direction, the third edge being contiguous with the second end of the first edge;
wherein the third direction intersects the first direction.
Optionally, the second edge and the third edge are disposed on the same side of the first edge;
the first side, the second side and the third side form an opening;
the first edge, the second edge and the third edge of the first isolation column form a first opening, and the first edge, the second edge and the third edge of the second isolation column form a second opening;
the first opening and the second opening are arranged oppositely.
Optionally, the first opening and the second opening partially overlap;
the first edges of the first isolation columns are on the same straight line, and the first edges and the second edges of the first isolation columns are arranged on one sides of the first isolation columns far away from the display area;
the first edges of the second isolation columns are on the same straight line, and the first edges and the second edges of the second isolation columns are arranged on one sides, adjacent to the display area, of the second isolation columns.
Optionally, the distance range between the first edge of the first isolation pillar and the first edge of the second isolation pillar includes: 30um to 35 um.
Optionally, the distance between the first isolation column and the display area is greater than or equal to 0.4 mm;
a plurality of first insulated columns are arranged at intervals along a first direction in sequence, and the distance range between the second edge of each first insulated column and the first edge of the adjacent first insulated column close to the second edge comprises 10 um-15 um.
Optionally, the first isolation pillar and the second isolation pillar have the same shape;
the shape of the isolation column comprises a half I shape or a Z shape.
In a second aspect, an embodiment of the present invention provides a display device, including: the first aspect is any display panel.
According to the display panel provided by the embodiment of the invention, the isolation columns are arranged in the non-display area and comprise the first isolation columns and the second isolation columns, the first isolation columns are arranged on one side, close to the display area, of the non-display area, the second isolation columns are arranged on one side, far away from the display area, of the first isolation columns, the vertical projections of the first isolation columns and the second isolation columns are not overlapped, the adjacent first isolation columns are arranged at a first preset distance, the adjacent second isolation columns are arranged at a second preset distance, more circulation paths are provided for the packaging glue, the packaging glue can be arranged around the first isolation columns and the second isolation columns which are arranged at intervals, the glue dispensing area of the packaging glue is increased, the packaging effect of the packaging glue is improved, two isolation columns are formed in the non-display area, and the packaging glue is prevented from crossing one isolation column and spreading to the display area. The problem of current display panel when carrying out the narrow frame, the regional encapsulation of frame is glued and is overflowed to the display area easily, influences display panel's display effect is solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic structural diagram of a region D in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of a region D in FIG. 1 according to another embodiment of the present invention;
FIG. 4 is an enlarged schematic view of a region D in FIG. 1 according to another embodiment of the present invention;
FIG. 5 is an enlarged schematic view of a region D in FIG. 1 according to another embodiment of the present invention;
FIG. 6 is an enlarged schematic view of a region D in FIG. 1 according to another embodiment of the present invention;
FIG. 7 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Based on the above technical problem, the present embodiment proposes the following solutions:
fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention. Referring to fig. 1, a display panel according to an embodiment of the present invention includes a display region 10 and a non-display region 20; an isolation column 1 disposed in the non-display region 20; the isolation column 1 is used for preventing the packaging adhesive from overflowing to the display area 10; the isolation column 1 includes a plurality of first isolation columns 11 and a plurality of second isolation columns 12; the first isolation pillars 11 are arranged on one side of the non-display area 20 adjacent to the display area 10, and the adjacent first isolation pillars 11 are arranged at intervals of a first preset distance; the second isolation columns 12 are arranged on one side of the first isolation column 11 far away from the display area 10, and the adjacent second isolation columns 12 are arranged at intervals of a second preset distance; wherein at least one of the first preset distance and the second preset distance is greater than zero; the perpendicular projections of the first and second spacers 11 and 12 do not overlap.
Specifically, when the non-display area 20 of the display panel is narrowed, the width of the non-display area 20 is narrower, the frame area corresponding to the display device is narrower, and the packaging adhesive located in the frame area easily overflows to the display area 10, which affects the display effect of the display panel. By arranging the isolation column 1 in the non-display area 20, the isolation column 1 can block the packaging adhesive, and the packaging adhesive is better prevented from overflowing to the display area 10. By arranging the isolation columns 1 to comprise the first isolation columns 11 and the second isolation columns 12, the first isolation columns 11 are arranged on one side, close to the display area 10, of the non-display area 20, the second isolation columns 12 are arranged on one side, far away from the display area 10, of the first isolation columns 11, and the vertical projections of the first isolation columns 11 and the second isolation columns 12 are not overlapped, so that two isolation columns 1 can be formed in the non-display area 20, and the situation that packaging adhesive crosses one isolation column and stretches to the display area 10 is avoided. The adjacent first isolation columns 11 are arranged at intervals of a first preset distance, and the adjacent second isolation columns 12 are arranged at intervals of a second preset distance, so that the first isolation columns 11 and the second isolation columns 12 are arranged at intervals to provide more circulation paths for the packaging adhesive, and the packaging adhesive can be arranged around the first isolation columns 11 and the second isolation columns 12 which are arranged at intervals, so that the adhesive dispensing area of the packaging adhesive is increased, the adhesion force of the packaging adhesive is increased, and the packaging effect of the packaging adhesive is improved.
In the display panel provided by this embodiment, the isolation pillars are disposed in the non-display area, and each isolation pillar includes a plurality of first isolation pillars and a plurality of second isolation pillars, the first isolation pillars are disposed on one side of the non-display area adjacent to the display area, and the second isolation pillars are disposed on one side of the first isolation pillars away from the display area, vertical projections of the first isolation pillars and the second isolation pillars are not overlapped, adjacent first isolation pillars are disposed at a first preset distance, and adjacent second isolation pillars are disposed at a second preset distance, so as to provide more circulation paths for the encapsulation adhesive, and the peripheries of the first isolation pillars and the second isolation pillars disposed at intervals can be provided with the encapsulation adhesive, thereby increasing the dispensing area of the encapsulation adhesive, improving the encapsulation effect of the encapsulation adhesive, forming two isolation pillars in the non-display area, and preventing the encapsulation adhesive from crossing one isolation pillar and spreading to the display area. The problem of current display panel when carrying out the narrow frame, the regional encapsulation of frame is glued and is overflowed to the display area easily, influences display panel's display effect is solved.
Optionally, fig. 2 is an enlarged schematic structural diagram of a region D in fig. 1 according to an embodiment of the present invention. On the basis of the above embodiments, referring to fig. 2, the spacer 1 of the display panel according to the embodiment of the present invention includes a first side a1, the first side a1 extending along a first direction; wherein the first direction is parallel to a boundary of the display area 10 adjacent to the non-display area 20.
Specifically, the first edge a1 of the isolation pillar 1 may be parallel to the boundary between the display area 10 and the non-display area 20, or may form a certain included angle with the boundary between the display area 10 and the non-display area 20, so that the first edge a1 of the isolation pillar 1 can better isolate the packaging adhesive, and the packaging adhesive is prevented from overflowing to the display area 10.
Optionally, based on the above embodiment, with continued reference to fig. 2, the separation column 1 further comprises a second side a2, the second side a2 extends along the second direction, and the second side a2 is adjacent to the first end of the first side a 1; wherein the second direction intersects the first direction.
Specifically, the arrangement enables the packaging adhesive to extend along the second end of the first isolation pillar 11, and the second side a2 and the first side a1 form a retaining wall, so that the packaging adhesive can be limited better, and the blocking effect of the packaging adhesive is further improved. The second direction can be crossed with the first direction, optionally, the second direction can be perpendicular to the first direction, the process is simpler, and the manufacturing is convenient.
Optionally, fig. 3 is an enlarged schematic structural diagram of another area D in fig. 1 according to an embodiment of the present invention. On the basis of the above embodiment, referring to fig. 3, the separation column 1 further includes a third side a3, the third side a3 extends along a third direction, and the third side a3 is adjacent to the second end of the first side a 1; wherein the third direction intersects the first direction.
The encapsulation glue is particularly arranged in such a way that the encapsulation glue can be further subjected to current limiting, the blocking effect of the encapsulation glue is improved, the adhesion force of the encapsulation glue is improved, the water vapor entering is reduced, and the display effect of the display panel is further improved. Alternatively, the third direction may be parallel to the second direction.
Optionally, fig. 4 is an enlarged schematic structural diagram of a region D in fig. 1 according to another embodiment of the present invention. Fig. 5 is an enlarged schematic structural diagram of a region D in fig. 1 according to another embodiment of the present invention. On the basis of the above embodiment, referring to fig. 4, the second side a2 and the third side a3 are disposed on the same side of the first side a 1. The first side a1, the second side a2, and the third side a3 constitute an opening; the first side a1, the second side a2, and the third side a3 of the first separation column 11 constitute a first opening 2, and the first side a1, the second side a2, and the third side a3 of the second separation column 12 constitute a second opening 3. Referring to fig. 5, the first opening 2 is disposed opposite to the second opening 3.
Specifically, the arrangement makes the first isolation pillar 11 and the second isolation pillar 12 cooperate with each other to form a complete retaining wall together, so as to better block the packaging adhesive and ensure that the packaging adhesive does not overflow to the display area 10. On the other hand, through setting up first opening 2 and second opening 3, can make the encapsulation glue form circulation route in first opening 2 and second opening 3 for the encapsulation glue not only bonds with display panel's rete, can also make the encapsulation glue bond with the side of insulated column 1, increases the adhesive force that the encapsulation was glued, further promotes the encapsulation effect that the encapsulation was glued, and promotes insulated column 1's separation effect, further promotes display panel's display effect.
Alternatively, on the basis of the above embodiment, with continued reference to fig. 5, the first opening 2 and the second opening 3 partially overlap; the first sides a1 of the first isolation pillars 11 are in the same straight line, and the first sides a1 and the second sides a2 of the first isolation pillars 11 are disposed at the sides of the first isolation pillars 11 away from the display area 10; the first sides a1 of the second spacers 12 are aligned, and the first sides a1 and the second sides a2 of the second spacers 12 are disposed on the sides of the second spacers 12 adjacent to the display area 10.
Specifically, the first opening 2 and the second opening 3 are partially overlapped, so that the first side a1 of the first isolation pillar 11 and the first side a1 of the second isolation pillar 12 alternately and jointly form a retaining wall with a good blocking effect, the extending path of the packaging adhesive can be further increased, the packaging adhesive is not easy to extend into the display area 10, the extending uniformity of the thickness of the packaging adhesive is good, the adhesion force is strong, the moisture entering is reduced, the good packaging effect of the display panel is guaranteed, and the display effect of the display panel is further improved. The first edges a1 of the first isolation pillars 11 are arranged on the same straight line, so that the manufacturing process can be simplified, and the manufacturing cost can be saved.
Optionally, fig. 6 is an enlarged schematic structural diagram of a region D in fig. 1 according to another embodiment of the present invention. On the basis of the above embodiment, referring to fig. 6, the distance range between the first side a1 of the first separator 11 and the first side a1 of the second separator 12 includes: 30um to 35 um.
Specifically, if the distance between the first side a1 of the first isolation pillar 11 and the first side a1 of the second isolation pillar 12 is too small, the flow path of the package adhesive is reduced, and if the distance between the first side a1 of the first isolation pillar 11 and the first side a1 of the second isolation pillar 12 is too large, the frame of the display device is wider, which is not favorable for realizing a narrow frame. The distance range between the first edge a1 of the first isolation column 11 and the first edge a1 of the second isolation column 12 includes 30 um-35 um, and a certain extending gap can be reserved for the packaging adhesive, so that the adhesive force and the adhesive effect of the packaging adhesive are increased, the extending path of the packaging adhesive is further increased, and the redundant packaging adhesive can be better prevented from entering the display area 10.
Optionally, with continued reference to fig. 6, the distance between the first spacer 11 and the display area 10 is greater than or equal to 0.4 mm; the plurality of first isolation pillars 11 are sequentially arranged along the first direction at intervals, and the distance range between the second side a2 of the first isolation pillar 11 and the first side a1 of the adjacent first isolation pillar 11 close to the second side a2 includes 10um to 15 um.
Specifically, the distance between the first isolation pillar 11 and the display area 10 is too small, and if the packaging adhesive crosses the first isolation pillar 11, the packaging adhesive overflows to the display area 10. The distance between the first isolation column 11 and the display area 10 is larger than or equal to 0.4mm, a certain extending gap can be reserved for the packaging adhesive, and the packaging adhesive is prevented from overflowing to the display area 10 after crossing the first isolation column 11. Through setting up a plurality of first separation posts 11 and setting up along first direction interval in order, the distance scope between second limit a2 of first separation post 11 and the first limit a1 of adjacent first separation post 11 that is close to second limit a2 includes 10um ~ 15um, can further increase the extension route of encapsulation glue, can be better prevent unnecessary encapsulation glue to get into in display area 10, make the extension homogeneity of the thickness of encapsulation glue better, the adhesion is stronger, reduce the entering of aqueous vapor, guarantee the reliability of display panel encapsulation effect, further improve display panel's display effect.
Optionally, fig. 7 is a schematic structural diagram of another display panel provided in an embodiment of the present invention. On the basis of the above embodiment, referring to fig. 7, the first isolation pillar 11 and the second isolation pillar 12 may be provided in the same shape; the shape of the insulated column 1 includes a half i-shape or a Z-shape.
Specifically, the first isolation pillar 11 and the second isolation pillar 12 may be set to have the same shape, so that the manufacturing process is facilitated to be simplified, the first isolation pillar 11 and the second isolation pillar 12 may be set to have a half-i shape as needed in a straight edge region of the display panel, and the first isolation pillar 11 and the second isolation pillar 12 may be set to have a Z shape as needed in an arc angle region of the display panel, so that the flow direction of the packaging adhesive may be dispersed.
Optionally, fig. 8 is a schematic structural diagram of a display device according to an embodiment of the present invention. On the basis of the above embodiments, referring to fig. 8, a display device 200 provided by an embodiment of the present invention includes the display panel 100 provided by any of the above embodiments. The advantageous effects of the display panel 100 provided by the above embodiments are not described herein. The display device 200 may include mobile terminals such as mobile phones, tablet computers, and wearable devices.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A display panel, comprising: a display area and a non-display area;
the isolation column is arranged in the non-display area; the isolation column is used for preventing the packaging adhesive from overflowing to the display area;
the isolation columns comprise a plurality of first isolation columns and a plurality of second isolation columns;
the first isolation columns are arranged on one side, adjacent to the display area, of the non-display area, and the adjacent first isolation columns are arranged at intervals of a first preset distance;
the second isolation columns are arranged on one side, away from the display area, of the first isolation column, and the adjacent second isolation columns are arranged at intervals of a second preset distance; wherein at least one of the first preset distance and the second preset distance is greater than zero;
the vertical projections of the first isolation pillar and the second isolation pillar do not overlap.
2. The display panel according to claim 1,
the isolation column comprises a first edge, and the first edge extends along a first direction;
wherein the first direction is parallel to a boundary of the display area adjacent to the non-display area.
3. The display panel according to claim 2, wherein the spacers further comprise:
a second edge extending in a second direction, the second edge abutting a first end of the first edge;
wherein the second direction crosses the first direction.
4. The display panel according to claim 3, wherein the spacers further comprise:
a third side extending in a third direction, the third side adjoining the second end of the first side;
wherein the third direction crosses the first direction.
5. The display panel according to claim 4,
the second edge and the third edge are arranged on the same side of the first edge;
the first edge, the second edge and the third edge form an opening;
the first edge, the second edge and the third edge of the first isolation column form a first opening, and the first edge, the second edge and the third edge of the second isolation column form a second opening;
the first opening and the second opening are arranged in opposite directions.
6. The display panel according to claim 5,
the first opening and the second opening partially overlap;
the first edges of the first isolation columns are on the same straight line, and the first edges and the second edges of the first isolation columns are arranged on one sides, far away from the display area, of the first isolation columns;
the first edges of the second isolation columns are on the same straight line, and the first edges and the second edges of the second isolation columns are arranged on one sides, adjacent to the display area, of the second isolation columns.
7. The display panel according to claim 4,
the distance range between the first edge of the first isolation column and the first edge of the second isolation column comprises: 30um to 35 um.
8. The display panel according to claim 6,
the distance between the first isolation column and the display area is greater than or equal to 0.4 mm;
the first isolation columns are sequentially arranged along the first direction at intervals, and the distance range between the second edge of each first isolation column and the first edge of the adjacent first isolation column close to the second edge comprises 10 um-15 um.
9. The display panel according to claim 1,
the first isolation column and the second isolation column are the same in shape;
the shape of the isolation column comprises a half I shape or a Z shape.
10. A display device, comprising: the display panel of any one of claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110952995.1A CN113690388A (en) | 2021-08-19 | 2021-08-19 | Display panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110952995.1A CN113690388A (en) | 2021-08-19 | 2021-08-19 | Display panel and display device |
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| CN113690388A true CN113690388A (en) | 2021-11-23 |
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| CN111190299A (en) * | 2019-12-31 | 2020-05-22 | 厦门天马微电子有限公司 | Display panel and display device |
| CN112083607A (en) * | 2020-09-23 | 2020-12-15 | 惠科股份有限公司 | Array substrate, manufacturing method thereof and display device |
| CN112420789A (en) * | 2020-11-13 | 2021-02-26 | 武汉华星光电半导体显示技术有限公司 | Display panel, preparation method thereof and display device |
| CN213905403U (en) * | 2021-01-15 | 2021-08-06 | 合肥维信诺科技有限公司 | Display panel and display device |
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