CN113328056B - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN113328056B CN113328056B CN202110605460.7A CN202110605460A CN113328056B CN 113328056 B CN113328056 B CN 113328056B CN 202110605460 A CN202110605460 A CN 202110605460A CN 113328056 B CN113328056 B CN 113328056B
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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
- H10K50/868—Arrangements for polarized light emission
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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
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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
Abstract
The application provides a display panel and display device, display panel include display area and non-display area, and non-display area includes frame district, bending region and the district of binding that arranges along the direction that deviates from the display area, and display area and frame district are provided with the polaroid, and the edge part of polaroid is located the frame district, and the thickness of the edge part of polaroid is less than the thickness of the central part of polaroid, bending region and binding region cover have the protection to glue, and the protection is glued and is contacted with the edge part of polaroid. Because the edge part of the polaroid is formed in the frame area, namely the extension part of the polaroid is formed outside the display area, and the thickness of the extension part is smaller, the partial surface of the edge part of the polaroid with smaller thickness can be still covered when less protective glue is used, the coverage is improved, when more protective glue is used, the glue climbing risk is reduced due to the extension part, the adaptability of the polaroid and the protective glue is improved, and the reliability of a device is improved.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
The conventional high-end Organic Light-Emitting Diode (OLED) display screen generally adopts a COP (chip On pi) technology, and compared with the cog (chip On glass) and cof (chip On film) technologies, the COP can further reduce a frame and improve a screen occupation ratio, so that the whole display screen has a more excellent display effect.
For the organic light emitting display panel, in the prior art, the binding region is bent to the non-display surface of the display panel, so that a narrow frame can be realized, the area of the display region is increased, and the high screen occupation ratio is realized. In addition, in order to protect the routing of the frame region and the bent portion, a protective adhesive is usually disposed above the frame region and the bent portion from the edge of the polarizer.
The difference of how much and the position of protection glue can all exert an influence to gluing the effect, can not realize better guard action when the protection is glued less, and there is the risk in the reliability of screen, and when the protection was glued more, the protection was glued and appears climbing the problem of polaroid, causes the influence to follow-up processing procedure.
Disclosure of Invention
In view of this, an object of the present disclosure is to provide a display panel and a display device, which improve the compatibility between a polarizer and a protective adhesive by setting the edge shape of the polarizer.
The embodiment of the application provides a display panel, which comprises a display area and a non-display area;
the non-display area comprises a frame area, a bending area and a binding area which are arranged along the direction deviating from the display area; the display area and the frame area are provided with polaroids, the edge parts of the polaroids are positioned in the frame area, and the thickness of the edge parts of the polaroids is smaller than that of the central part of the polaroids; the bending area and the binding area are covered with protective glue, and the protective glue is in contact with the edge part of the polaroid.
Optionally, the display panel further includes a substrate, and the polarizer is disposed on the substrate; the edge part of the polaroid is parallel to the surface of the substrate on the side away from the substrate, the side surface of the polaroid on the side away from the substrate is lower than the side surface of the polaroid on the side away from the substrate on the central part of the polaroid, and the edge part of the polaroid is provided with a side wall facing the binding region.
Optionally, the surface of the side wall has a convex structure, so that the surface of the side wall is concave-convex.
Optionally, the display panel further includes a substrate, the polarizer is disposed on the substrate, a surface of one side of the edge portion of the polarizer, which is away from the substrate, is an inclined surface, and a side of the inclined surface, which is away from the display area, is lower than a side close to the display area.
Optionally, the edge portion of the polarizer has a sidewall facing the binding region.
Optionally, the side of the inclined surface facing the binding region has a convex structure, so that the side is concave-convex.
Optionally, the number of the protruding structures is multiple, and the projection of the protruding structures on the surface of the substrate is in one or more combinations of a step shape, a rectangle shape, a trapezoid shape, a triangle shape and an arc shape.
Optionally, the display device further includes a substrate, and a pixel circuit layer, a planarization layer, a light emitting element layer, and an encapsulation layer sequentially located on the substrate; the polaroid is positioned on one side of the packaging layer, which is far away from the substrate.
Optionally, the frame region is further provided with a plurality of signal lines, each signal line includes a display signal line and a test signal line, and a vertical projection of the signal line on a plane where the polarizer is located overlaps with the protrusion structures, but does not overlap with openings between adjacent protrusion structures.
The embodiment of the application provides a display device, which comprises the display panel in the embodiment.
The embodiment of the application provides a display panel and display device, display panel can include display area and non-display area, and non-display area can include the frame district, bending region and the binding area of arranging along the direction that deviates from the display area, and display area and frame district are provided with the polaroid, and the edge part of polaroid is located the frame district, and the thickness of the edge part of polaroid is less than the thickness of the central part of polaroid, bending region and binding area cover have the protection to glue, and the protection is glued and the edge part contact of polaroid. Because the edge part of the polaroid is formed in the frame area, namely the extension part of the polaroid is formed outside the display area, and the thickness of the extension part is smaller, the partial surface of the edge part of the polaroid with smaller thickness can be still covered when less protective glue is used, the coverage is improved, when more protective glue is used, the glue climbing risk is reduced due to the extension part, the adaptability of the polaroid and the protective glue is improved, and the reliability of a device is improved.
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 introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of a display panel in the prior art;
fig. 2 is a schematic structural diagram of a display panel according to an embodiment of the present disclosure;
fig. 3 and 4 are schematic cross-sectional views of the display panel taken along the direction BB' in fig. 2;
fig. 5 is a schematic structural diagram of another display panel provided in an embodiment of the present application;
fig. 6 is a schematic structural diagram of another display panel provided in the embodiment of the present application;
fig. 7 is a schematic cross-sectional view of another display panel according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a display device according to an embodiment of the present application.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and it will be apparent to those of ordinary skill in the art that the present application is not limited by the specific embodiments disclosed below.
Next, the present application will be described in detail with reference to the drawings, and in the detailed description of the embodiments of the present application, the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration, and the drawings are only examples, which should not limit the scope of the protection of the present application. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
As described in the background art, the conventional high-end Organic Light-Emitting Diode (OLED) display generally adopts a COP (chip On pi) screen packaging technology, and compared with the cog (chip On glass) and cof (chip On film) technologies, the COP can further reduce the frame and improve the screen occupation ratio, so that the entire display has a more excellent display effect.
For the organic light emitting display panel, in the prior art, the binding region is bent to the non-display surface of the display panel, so that a narrow frame can be realized, the area of the display region is increased, and the high screen occupation ratio is realized. In addition, in order to protect the routing of the frame region and the bent portion, a protective adhesive is usually disposed above the frame region and the bent portion from the edge of the polarizer.
Referring to fig. 1, a schematic diagram of a prior art protective adhesive is shown. The inventor finds that the difference between the amount and the position of the protective glue can influence the glue sealing effect, the protective glue cannot realize better protection effect when the protective glue is less, the reliability of the screen has risks, and the protective glue has the problem of climbing a polarizer when the protective glue is more, so that the subsequent processing procedure is influenced. As shown in fig. 1(a), when the amount of the protective adhesive 20 is small, the protective adhesive 20 does not completely cover the polarizer 10 and does not completely protect the display panel, so that the organic light emitting display panel may exhibit poor antistatic performance, may not achieve a good protection effect, and may have a risk in the reliability of the screen. As shown in fig. 1(b), when the amount of the protective adhesive 20 is large, the protective adhesive 20 may climb the upper surface of the polarizer 10 corresponding to the bezel area, which may affect the subsequent processes.
Based on this, this application embodiment provides a display panel and display device, and display panel includes display area and non-display area, and the non-display area includes frame district, bending zone and the binding area of arranging along the direction that deviates from the display area, and display area and frame district are provided with the polaroid, and the edge part of polaroid is located the frame district, and the thickness of the edge part of polaroid is less than the thickness of the central part of polaroid, bending zone and binding area cover have the protection glue, and the protection glue contacts with the edge part of polaroid. Because the edge part of the polaroid is formed in the frame area, namely the extension part of the polaroid is formed outside the display area, and the thickness of the extension part is smaller, the partial surface of the edge part of the polaroid with smaller thickness can be still covered when less protective glue is used, the coverage is improved, when more protective glue is used, the glue climbing risk is reduced due to the extension part, the adaptability of the polaroid and the protective glue is improved, and the reliability of a device is improved.
For better understanding of the technical solutions and effects of the present application, specific embodiments will be described in detail below with reference to the accompanying drawings.
Referring to fig. 2, in order to illustrate a structure of a display panel 100 according to an embodiment of the present disclosure, fig. 3 and 4 are schematic cross-sectional structural views of the display panel taken along a direction of BB' in fig. 2.
The display panel 100 provided in the embodiment of the present application includes a display area AA and a non-display area NA. The display area AA is an area for performing display, and the non-display area NA is an area for providing a circuit configuration for driving the display panel to perform display.
In the embodiment of the application, the non-display area NA includes a frame area N1, a bending area N2 and a binding area N3 arranged away from the display area AA, that is, the frame area N1, the bending area N2 and the binding area N3 are arranged in a direction away from the display area AA. The frame region N1 is a frame region of the display panel 100, the bending region N2 can be bent, and the bending region N2 can extend from a first surface of the display panel to a second surface, wherein the first surface is a display side of the display panel, and the second surface is a non-display side of the display panel. The bonding region N3 is used for bonding the flexible circuit board, and a narrow bezel can be implemented by bending the bonding region N3 to the second surface of the display panel.
In the embodiment of the present application, the polarizer 10 is disposed on the display area AA and the frame area N1, and an edge portion of the polarizer 10 is located in the frame area N1, that is, a portion of the polarizer 10 is disposed in the frame area N1 located in the non-display area NA. The thickness of the edge portion of the polarizer 10 is smaller than that of the central portion of the polarizer 10, that is, the thickness of the polarizer 10 located on the frame region N1 is smaller than that of the polarizer located on the display region AA. That is, the embodiment of the present application forms the edge portion of the polarizer 10 in the frame region N1, which is equivalent to an extension portion of the polarizer 10 formed outside the display region AA, and the extension portion has a smaller thickness. The edge portion is a portion of the polarizer 10 where the thickness starts to be reduced.
As can be seen from fig. 2, 3 and 4, the polarizer 10 covers the display area AA and a part of the non-display area NA, such as a part of the frame area N1, and besides resists the interference of the ambient light to the display brightness and contrast of the display area AA, the polarizer 10 can also protect the underlying film layer. The non-display area NA of the remaining portion not covered by the polarizer 10, i.e., the frame area N1, the bending area N2 and the binding area N3 not covered by the polarizer 10, may be protected by the protection adhesive 20. For example, the protective adhesive 20 may be a UV adhesive, and after the protective adhesive 20 is cured, the bending region N2 is bent, so that the binding region N3 may be bent to the non-display side of the display panel to realize a narrow bezel, as shown in fig. 7.
In the embodiment of the present application, the protective adhesive 20 covers part of the frame region N1, the bending region N2, and the binding region N3, and the protective adhesive 20 contacts with the edge portion of the polarizer 10, that is, the protective adhesive 20 can cover the edge portion of the polarizer 10 with a smaller thickness, as shown in fig. 3(a) or fig. 4(a), at this time, when the protective adhesive is less, the protective adhesive can still cover part of the surface of the edge portion of the polarizer with a smaller thickness, so as to improve the coverage.
Referring to fig. 3 or 4, the display panel 100 further includes a substrate 01, and the polarizer 10 is disposed on the substrate 01. In the embodiment of the present application, the polarizer 10 located on the frame region N1 may be arranged in the following two ways:
the first arrangement is that the surface of one side of the edge part of the polarizer 10, which faces away from the substrate 01, is parallel to the surface of the substrate 01, the surface of one side of the edge part of the polarizer 10, which faces away from the substrate 01, is lower than the surface of one side of the central part of the polarizer 10, which faces away from the substrate 01, and the edge part of the polarizer 10 has a side wall facing the binding region N3. Fig. 3 is a schematic cross-sectional view of a display panel according to an embodiment of the present disclosure.
That is, the surface of the polarizer 10 on the side away from the substrate 01 in the frame region N1 is parallel to the plane of the substrate 01, the thickness of the edge portion of the polarizer 10 is smaller than that of the central portion, that is, the height of the surface of the edge portion of the polarizer 10 on the side away from the substrate 01 is smaller than that of the surface of the central portion of the polarizer 10 on the side away from the substrate 01, that is, the thickness of the polarizer in the frame region N1 is smaller than that of the polarizer in the display region AA, and a portion of the sidewall of the polarizer 10 in the frame region N1 is perpendicular to the plane of the substrate 01, that is, the edge portion of the polarizer 10 forms a rectangle in the cross-sectional structure diagram of the display panel. The edge portion of the polarizer 10 at this time starts from a portion where the thickness of the polarizer 10 starts to decrease.
The second arrangement is that the surface of the edge of the polarizer 10 facing away from the substrate 01 is an inclined surface, and the inclined surface is lower on the side far away from the display area than on the side close to the display area. Fig. 4 is a schematic cross-sectional view of a display panel according to an embodiment of the present disclosure.
That is, the surface of the edge portion of the polarizer 10 facing away from the substrate 01 may not be parallel to the plane of the substrate 01, but form an angle with the plane of the substrate 01, that is, the surface of the edge portion of the polarizer 10 facing away from the substrate 01 is an inclined surface. The height of the inclined surface at the side far from the display area is lower than that at the side near to the display area. At this time, the edge portion of the polarizer 10 starts from a portion where the height of the inclined surface of the polarizer 10 starts to decrease.
In practical applications, the height of the inclined surface on the side close to the display area may be the same as the height of the central portion of the polarizer 10, and the height of the inclined surface on the side far from the display area may also be smaller than the height of the central portion of the polarizer 10, as shown in fig. 4. The side of the inclined surface away from the display area may or may not have a sidewall, as shown with reference to fig. 4. That is, the height of the inclined surface and the end position can be set by those skilled in the art, and the embodiment of the present application is not particularly limited.
In the embodiment of the present application, no matter how the shape of the edge portion of the polarizer 10 is set, the side or sidewall of the edge portion of the polarizer 10 away from the display region has a protrusion structure 101, as shown with reference to fig. 2 to 7. Referring to fig. 2 or fig. 3, if the polarizer 10 is disposed in the first manner, the sidewall surface of the edge portion of the polarizer 10 away from the display area is a protrusion 101, so that the sidewall surface is disposed in a concave-convex manner. Referring to fig. 2 or 4, if the polarizer 10 is disposed in the second manner, a surface of the edge portion of the polarizer 10 facing away from the substrate 01 is an inclined surface, and a side of the inclined surface facing away from the display area has a protrusion 101, so that the side of the inclined surface is concave-convex.
The protruding structure 101 is arranged at the edge part of the polarizer 10, so that the contact area between the polarizer 10 and the protective adhesive 20 can be increased, the combination between the protective adhesive 20 and the polarizer 10 is firmer, the tilting of the protective adhesive 20 close to one side of the polarizer 10 in the bending process is avoided, and the quality of the display panel is improved.
Referring to fig. 2, 5 or 6, the edge portion of the polarizer 10 may include a plurality of protruding structures 101, and a projection of the protruding structures 101 on the surface of the substrate 01 may have one or more combinations of a rectangular shape, a triangular shape and a stepped shape. For example, the protruding structure 101 may be configured as an arc or a trapezoid, besides the rectangle shown in fig. 2, the triangle shown in fig. 5, or the step shown in fig. 6, and may be configured by those skilled in the art according to the needs, which is not limited in the embodiment of the present invention.
With continued reference to fig. 2 and 7, the display panel further includes a substrate 01, and a pixel circuit layer 14, a planarization layer 15, a light emitting element layer 16, and an encapsulation layer 17, which are sequentially disposed on the substrate 01, and the polarizer 10 is disposed on a side of the encapsulation layer 17 facing away from the substrate 01. The planarization layer 15 in the frame region N1 is provided with an opening 151; the display panel further includes a dam structure 30; the dam structures 30 are located between the plane of the package layer 17 and the pixel circuit layer 14, and the dam structures 30 are located in the openings 151. The substrate 01 comprises a buffer base material layer 11, a lower film 12 and a flexible base material layer 13 which are sequentially laminated, wherein the flexible base material layer 13 can be made of a PI material with good bending performance; the buffer substrate layer 11 may be a tape, and after the bending region N2 is bent, the lower film 12 is attached to the buffer substrate layer 11.
As shown in fig. 7, the encapsulation layer 17 may be formed by stacking a plurality of inorganic encapsulation layers 171 and organic encapsulation layers 172. By providing the opening 151 in the planarization layer 15 and disposing the retaining wall structure 30 in the opening 151, the organic encapsulation layer 172 in the encapsulation layer 17 can be blocked by the retaining wall structure 30, so that the inorganic encapsulation layer 171 in the encapsulation layer 17 is in contact with the insulating layer (usually, an inorganic material) in the pixel circuit layer 14, thereby achieving better sealing performance, and preventing moisture from entering the light emitting element layer 16 to affect the performance of the light emitting element layer 16 and the display effect. The planarization layer 15 is generally thick and is used to protect the traces in the pixel circuit layer 14 and other structures, and to prevent the traces from being broken due to external force.
In the embodiment of the present application, a plurality of signal lines (not shown) are further disposed in the region where the frame region N1 is located, where the plurality of signal lines include a display signal line and a test signal line, and the display signal line is a line for driving the display panel to perform display. When the signal lines are arranged, the signal lines may be arranged in the regions corresponding to the protruding structures 101, that is, the vertical projection of the signal lines 40 on the plane where the polarizer 10 is located overlaps with the protruding structures 101, and does not overlap with the openings between the adjacent protruding structures 101, that is, the signal lines 40 are arranged under the regions with the polarizers, so that the polarizers provide good protection for the signal lines 40, and the quality of the display panel is ensured.
The embodiment of the application provides a display panel, display panel includes display area and non-display area, and non-display area includes frame district, bending region and the district of binding that arranges along the direction that deviates from the display area, and display area and frame district are provided with the polaroid, and the edge part of polaroid is located the frame district, and the thickness of the edge part of polaroid is less than the thickness of the central part of polaroid, bending region and binding region cover have the protection to glue, and the protection is glued and is contacted with the edge part of polaroid. Because the edge part of the polaroid is formed in the frame area, namely the extension part of the polaroid is formed outside the display area, and the thickness of the extension part is smaller, the partial surface of the edge part of the polaroid with smaller thickness can be still covered when less protective glue is used, the coverage is improved, when more protective glue is used, the glue climbing risk is reduced due to the extension part, the adaptability of the polaroid and the protective glue is improved, and the reliability of a device is improved.
The embodiment of the present application further provides a display device, which includes the display panel described in the above embodiment.
Fig. 8 is a schematic plan view of a display device according to an embodiment of the present disclosure. As can be seen from the figure, the display device 1000 includes the display panel 100, and the display panel 100 is the display panel 100 described in any of the embodiments. The display device 1000 provided in the embodiment of the present application may be a display device with a display function, such as a mobile phone, a computer, a television, a vehicle-mounted display device, and the embodiment of the present application is not particularly limited. The display device 1000 provided in the embodiment of the present application has the beneficial effects of the display panel 100 provided in the embodiment of the present application, and specific reference may be specifically made to the specific description of the display panel in the above embodiment, which is not repeated herein.
The foregoing is merely a preferred embodiment of the present application and, although the present application discloses the foregoing preferred embodiments, the present application is not limited thereto. Those skilled in the art can make numerous possible variations and modifications to the disclosed solution, or modify it to equivalent embodiments, using the methods and techniques disclosed above, without departing from the scope of the claimed solution. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application still fall within the protection scope of the technical solution of the present application without departing from the content of the technical solution of the present application.
Claims (8)
1. A display panel is characterized by comprising a display area and a non-display area;
the non-display area comprises a frame area, a bending area and a binding area which are arranged along the direction deviating from the display area; the display area and the frame area are provided with polaroids, the edge parts of the polaroids are positioned in the frame area, and the thickness of the edge parts of the polaroids is smaller than that of the central part of the polaroids; the bending area and the binding area are covered with protective glue, and the protective glue is in contact with the edge part of the polaroid;
the display panel further comprises a substrate, and the polarizer is arranged on the substrate;
one side surface of the edge part of the polarizer, which is far away from the substrate, is parallel to the surface of the substrate, and one side surface of the edge part of the polarizer, which is far away from the substrate, is lower than one side surface of the central part of the polarizer, which is far away from the substrate, and the edge part of the polarizer is provided with a side wall facing the binding region; or the surface of one side of the edge part of the polaroid, which is deviated from the substrate, is an inclined plane, and the inclined plane is lower than the side close to the display area on the side deviated from the display area.
2. The display panel according to claim 1, wherein the surface of the sidewall has a convex structure, and the surface of the sidewall is concave-convex.
3. The display panel according to claim 1, wherein if a surface of the edge portion of the polarizer facing away from the substrate is an inclined surface, the edge portion of the polarizer has a sidewall facing the bonding region.
4. The display panel according to claim 1, wherein a portion of the inclined surface facing the bonding region has a convex structure facing the bonding region such that the inclined surface is disposed in a concave-convex manner toward a side of the bonding region.
5. The display panel according to claim 2 or 4, wherein the number of the convex structures is plural, and a projection of the convex structures on the surface of the substrate is in one or more combinations of a staircase shape, a rectangular shape, a trapezoid shape, a triangular shape and an arc shape.
6. The display panel according to any one of claims 1 to 4, further comprising a substrate, and a pixel circuit layer, a planarization layer, a light-emitting element layer, and an encapsulation layer which are provided over the substrate in this order; the polaroid is positioned on one side, away from the substrate, of the packaging layer.
7. The display panel according to claim 2 or 4, wherein the frame region is further provided with a plurality of signal lines, the signal lines include display signal lines and test signal lines, and a vertical projection of the signal lines on a plane where the polarizer is located overlaps with the protrusion structures without overlapping with openings between adjacent protrusion structures.
8. A display device characterized by comprising the display panel according to any one of claims 1 to 7.
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| CN202110605460.7A CN113328056B (en) | 2021-05-31 | 2021-05-31 | Display panel and display device |
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| CN202110605460.7A CN113328056B (en) | 2021-05-31 | 2021-05-31 | Display panel and display device |
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| CN114241907B (en) * | 2021-12-09 | 2023-10-31 | 深圳市华星光电半导体显示技术有限公司 | Display panel and display device |
| CN114446174B (en) * | 2022-02-11 | 2024-03-15 | 武汉华星光电半导体显示技术有限公司 | Display panel and mobile terminal |
| CN114815031B (en) * | 2022-04-29 | 2024-02-02 | 昆山国显光电有限公司 | Polarizer and display module |
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| KR20200123313A (en) * | 2019-04-18 | 2020-10-29 | 삼성디스플레이 주식회사 | Polarizer Film and Display device comprise the same |
| CN111190501B (en) * | 2019-12-16 | 2023-09-26 | 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 |
| CN211827932U (en) * | 2020-03-24 | 2020-10-30 | 上海和辉光电股份有限公司 | Display panel and display device |
| CN112433288A (en) * | 2020-12-08 | 2021-03-02 | 武汉华星光电半导体显示技术有限公司 | Polaroid and display panel |
| CN112750883A (en) * | 2020-12-30 | 2021-05-04 | 上海天马有机发光显示技术有限公司 | Display panel and display device |
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2021
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