CN111192976A - Display panel - Google Patents

Display panel Download PDF

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Publication number
CN111192976A
CN111192976A CN202010018532.3A CN202010018532A CN111192976A CN 111192976 A CN111192976 A CN 111192976A CN 202010018532 A CN202010018532 A CN 202010018532A CN 111192976 A CN111192976 A CN 111192976A
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CN
China
Prior art keywords
retaining wall
display panel
lower frame
opening
area
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Pending
Application number
CN202010018532.3A
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Chinese (zh)
Inventor
朱三
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Original Assignee
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
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Application filed by Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority to CN202010018532.3A priority Critical patent/CN111192976A/en
Publication of CN111192976A publication Critical patent/CN111192976A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00Organic light-emitting devices
    • H10K50/80Constructional details
    • H10K50/84Passivation; Containers; Encapsulations
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating 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
    • G09F9/301Indicating 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
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00Organic light-emitting devices
    • H10K50/80Constructional details
    • H10K50/84Passivation; Containers; Encapsulations
    • H10K50/841Self-supporting sealing arrangements

Abstract

The invention provides a display panel, which is characterized in that a first retaining wall or a second retaining wall forms an opening on a lower frame of the display panel, and the first retaining wall and the second retaining wall form a closed graph, so that the first retaining wall and the second retaining wall occupy a small amount of space or even do not occupy space on the lower frame.

Description

Display panel
Technical Field
The invention relates to the technical field of display, in particular to a display panel.
Background
In an existing OLED (Organic Light-Emitting Diode) display panel, in order to protect a Light-Emitting material, a thin film encapsulation technology is adopted, and an inorganic thin film and an Organic polymer thin film are alternately used to form an encapsulation layer, however, in a preparation process of an Organic polymer thin film, due to a problem of process performance, an Organic polymer cannot be formed in a designated area, and therefore, in order to enable the Organic polymer to be better molded, a retaining wall is arranged on the periphery of the Organic polymer thin film, so that the retaining wall ensures that the Organic polymer does not overflow.
As shown in fig. 1, the conventional OLED display panel includes a display area and a non-display area, and a conventional retaining wall in the non-display area is shown in fig. 2 and 3, where a first retaining wall and a second retaining wall are disposed on the periphery of an organic polymer, but the retaining walls may cause a larger frame of the OLED display panel, and in the lower frame, as shown in fig. 1, a flexible circuit board and an integrated circuit chip need to be disposed, and a bending area is reserved, so that the lower frame of the OLED display panel is wider, and a narrow frame of the OLED display panel cannot be implemented.
Therefore, the existing OLED display panel has the technical problem that the retaining wall occupies a large space, so that the lower frame of the OLED display panel is wide.
Disclosure of Invention
The invention provides a display panel, which is used for solving the technical problem that the lower frame of the OLED display panel is wider due to the fact that the existing OLED display panel has larger occupied space of a retaining wall.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
the present invention provides a display panel including a display area and a non-display area, the non-display area including:
the retaining wall area is arranged around the display area and is provided with a first retaining wall and a second retaining wall;
the bending area is arranged on the lower frame of the display panel and is arranged in the direction of the retaining wall area far away from the display area;
the binding area is arranged on the lower frame of the display panel and is arranged in the direction of the bending area far away from the display area;
wherein, first barricade centers on the display area sets up, the second barricade surrounds first barricade sets up, one of first barricade and second barricade forms at display panel's lower frame has the opening, just first barricade with the second barricade surrounds the display area forms closed figure.
In the display panel provided by the invention, the first retaining wall forms a first opening on the lower frame of the display panel, the second retaining wall surrounds the first retaining wall to form a closed graph, and one side of the second retaining wall, which is positioned on the lower frame, is filled with the first opening.
In the display panel provided by the invention, the first retaining wall forms a second opening on the upper frame of the display panel, and the second retaining wall is filled into the second opening on one side of the upper frame.
In the display panel provided by the invention, the width of the first opening is smaller than or equal to the width of the display area.
In the display panel provided by the invention, the display area is provided with the packaging layer, the packaging layer comprises a first inorganic layer, an organic layer and a second inorganic layer, the organic layer is arranged between the first inorganic layer and the second inorganic layer, and the first retaining wall and the second retaining wall are arranged at the periphery of the organic layer.
In the display panel provided by the invention, the material of the first retaining wall comprises polyimide, and the material of the second retaining wall comprises polyimide.
In the display panel provided by the invention, in the upper frame of the display panel, the distance between the first retaining wall and the second retaining wall is greater than or equal to the distance between the side frame of the display panel and the first retaining wall and the second retaining wall.
In the display panel provided by the invention, the first retaining wall surrounds the display area to form a closed graph, the second retaining wall forms a third opening on the lower frame of the display panel, and one side of the first retaining wall, which is positioned on the lower frame, is filled into the third opening.
In the display panel provided by the invention, the second retaining wall forms a fourth opening on the upper frame of the display panel, and the first retaining wall is filled to the fourth opening on one side of the upper frame.
In the display panel provided by the invention, the first retaining wall forms a fifth opening in the lower frame of the display panel, the second retaining wall forms a sixth opening in the upper frame of the display panel, one side of the first retaining wall, which is positioned on the upper frame of the display panel, is filled into the sixth opening, and one side of the second retaining wall, which is positioned on the lower frame of the display panel, is filled into the fifth opening.
Has the advantages that: the invention provides a display panel, which comprises a display area and a non-display area, wherein the non-display area comprises a retaining wall area, a bending area and a binding area, the retaining wall area is arranged around the display area, the retaining wall area is provided with a first retaining wall and a second retaining wall, the bending area is arranged on the lower frame of the display panel and is arranged in the direction of the retaining wall area far away from the display area, the binding area is arranged on the lower frame of the display panel and is arranged in the direction of the bending area far away from the display area, the first retaining wall is arranged around the display area, the second retaining wall is arranged around the first retaining wall, one of the first retaining wall and the second retaining wall forms an opening on the lower frame of the display panel, and the first retaining wall and the second retaining wall form a closed graph around the display area; the opening is formed in the lower frame of the display panel through the first retaining wall or the second retaining wall, the first retaining wall and the second retaining wall form a closed graph, the first retaining wall and the second retaining wall occupy a small amount of space or even do not occupy space in the lower frame, and meanwhile, because the first retaining wall and the second retaining wall only have one surface of one retaining wall in the lower frame, the stress of the retaining wall area is reduced when the retaining wall is bent, the distance between the bending area and the retaining wall area is reduced, the width of the lower frame is further reduced, the technical problem that the existing OLED display panel has larger retaining wall occupying space and causes the lower frame of the OLED display panel to be wider is solved.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a first schematic diagram of a conventional display panel.
Fig. 2 is a second schematic diagram of a conventional display panel.
Fig. 3 is a schematic view illustrating a retaining wall of a conventional display panel.
Fig. 4 is a first schematic view of a display panel according to an embodiment of the invention.
Fig. 5 is a second schematic view of a display panel according to an embodiment of the invention.
Fig. 6 is a third schematic view of a display panel according to an embodiment of the invention.
Fig. 7 is a fourth schematic view of a display panel according to an embodiment of the invention.
Fig. 8 is a fifth schematic view of a display panel according to an embodiment of the disclosure.
Fig. 9 is a diagram comparing the retaining wall arrangement of the lower frame of the display panel according to the prior art and the retaining wall arrangement of the lower frame of the display panel according to the embodiment of the present invention.
Fig. 10 is a first comparison diagram of a conventional display panel and a display panel provided in an embodiment of the present invention.
Fig. 11 is a second comparison diagram of a conventional display panel and a display panel provided by an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all 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 application.
In the description of the present application, 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," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. 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 application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
The invention aims to solve the technical problem that the lower frame of the OLED display panel is wider due to the fact that the existing OLED display panel occupies larger space due to the retaining wall.
As shown in fig. 1, the conventional OLED display panel includes a substrate 111, a buffer layer 112, a thin film transistor array layer 113, a light emitting layer 114, and an encapsulation layer 115, where the encapsulation layer is used to protect the light emitting layer in a display area 121, and in a non-display area, as shown in fig. 2 and fig. 3, a first ring of retaining wall 131 and a second ring of retaining wall 132 are provided to prevent organic polymers of the encapsulation layer from overflowing, but the first ring of retaining wall and the second ring of retaining wall increase the width of a frame of the display panel, and in the lower frame, as shown in fig. 2, a bending region 122 and a binding region 123 are reserved, and the binding region is used to set a flexible circuit board and an integrated circuit chip, so that the lower frame of the OLED display panel is wider, and thus a narrow frame of the OLED display panel cannot be realized, that is, that the conventional OLED display panel occupies a larger retaining wall space, resulting in a technical problem.
As shown in fig. 4, an embodiment of the present invention provides a display panel, which includes a display area 21 and a non-display area 22, where the non-display area 22 includes:
a retaining wall region 221 disposed around the display region 21, the retaining wall region having a first retaining wall 231 and a second retaining wall 232;
a bending region 222 disposed on the lower frame 241 of the display panel and disposed in a direction away from the retaining wall region 221 from the display region 21;
a binding region 223 disposed on the lower frame 241 of the display panel and disposed in a direction away from the display region 21 of the bending region 222;
wherein, the first retaining wall 231 surrounds the display area 21, the second retaining wall 232 surrounds the first retaining wall 231, one of the first retaining wall 231 and the second retaining wall 232 is formed with an opening at the lower frame 241 of the display panel, and the first retaining wall 231 and the second retaining wall 232 surround the display area to form a closed graph.
The invention provides a display panel, which comprises a display area and a non-display area, wherein the non-display area comprises a retaining wall area, a bending area and a binding area, the retaining wall area is arranged around the display area, the retaining wall area is provided with a first retaining wall and a second retaining wall, the bending area is arranged on the lower frame of the display panel and is arranged in the direction of the retaining wall area far away from the display area, the binding area is arranged on the lower frame of the display panel and is arranged in the direction of the bending area far away from the display area, the first retaining wall is arranged around the display area, the second retaining wall is arranged around the first retaining wall, one of the first retaining wall and the second retaining wall forms an opening on the lower frame of the display panel, and the first retaining wall and the second retaining wall form a closed graph around the display area; the opening is formed in the lower frame of the display panel through the first retaining wall or the second retaining wall, the first retaining wall and the second retaining wall form a closed graph, the first retaining wall and the second retaining wall occupy a small amount of space or even do not occupy space in the lower frame, and meanwhile, because the first retaining wall and the second retaining wall only have one surface of one retaining wall in the lower frame, the stress of the retaining wall area is reduced when the retaining wall is bent, the distance between the bending area and the retaining wall area is reduced, the width of the lower frame is further reduced, the technical problem that the existing OLED display panel has larger retaining wall occupying space and causes the lower frame of the OLED display panel to be wider is solved.
It should be noted that the lower frame of the display panel refers to an area outside the display area below the display panel, and the lower frame includes a first retaining wall and a second retaining wall.
In one embodiment, as shown in fig. 5, the first retaining wall 331 forms a first opening 333 at the lower frame of the display panel, the second retaining wall 332 forms a closed figure around the first retaining wall 331, the first opening 333 is filled in one side 334 of the second retaining wall 332 at the lower frame, when the lower frame of the display panel forms an opening, the first retaining wall forms a first opening, then the second retaining wall forms a closed figure, the first opening is filled through one side of the second retaining wall at the lower frame of the display panel, so that the first retaining wall and the second retaining wall form a closed figure, when the film layer of the display panel is formed, the liquid forming the film layer is blocked by the first retaining wall and the second retaining wall, and cannot overflow, and at the same time, the second retaining wall is located at one side of the lower frame of the first retaining wall, so that the distance of the first retaining wall and the second retaining wall at the lower frame of the display panel is shortened to 0, the distance of the lower frame of the display panel is shortened, and meanwhile, because only one retaining wall exists on the lower frame of the display panel, the probability of the retaining wall being defective during bending is reduced, and meanwhile, the distance between the first retaining wall and the bending area can be further reduced, so that the width of the lower frame of the display panel is further reduced.
In one embodiment, as shown in fig. 6, the first retaining wall 331 forms a second opening 335 at the upper frame of the display panel, the second retaining wall 332 fills the second opening 335 at one side 336 of the upper frame, at the lower frame of the display panel, the first retaining wall forms a first opening, and one side of the second retaining wall fills the first opening, so that when the width of the lower frame of the display panel is reduced, the second retaining wall fills the second opening at one side of the upper frame by forming the first retaining wall at one side of the upper frame, so that the second retaining wall fills the second opening at one side of the upper frame, so that the first retaining wall and the second retaining wall form a closed figure around the display area, and because the second retaining wall fills the second opening of the first retaining wall at the upper frame of the display panel, the distance between the first retaining wall and the second retaining wall at the upper frame of the display panel is shortened to 0, so that the width of the upper frame of the display panel is narrow, therefore, the width of the upper frame of the display panel is reduced, and the narrow frame is further realized.
In an embodiment, the width of the first opening is less than or equal to the width of the display area, when the first opening is arranged, the width of the first opening can be equal to the width of the bending area, so that the distance between the first retaining wall and the lower frame of the display panel is reduced, the distance between the bending area and the first retaining wall is reduced, the width of the display panel on the lower frame can be reduced, the width of the lower frame of the display panel is reduced, or the width of the first opening is equal to the width of the display area, the second retaining wall is arranged around the display area on the lower frame of the display area, and meanwhile, the distance between the bending area and the first retaining wall is reduced, so that the width of the lower frame of the display panel is reduced.
In one embodiment, the display region is provided with an encapsulation layer, the encapsulation layer comprises a first inorganic layer, an organic layer and a second inorganic layer, the organic layer is arranged between the first inorganic layer and the second inorganic layer, and the first retaining wall and the second retaining wall are arranged at the periphery of the organic layer; when forming the organic layer, need to confine organic polymer in certain region to make organic polymer form the organic layer at specific region, thereby make the organic layer improve display panel's flexibility, set up in the periphery of organic layer through making first barricade and second barricade, make when organic polymer forms the organic layer, organic polymer is confined in specific region by first barricade and second barricade, thereby make organic polymer can not flow out specific region, and organic polymer can be at the leveling of specific region, thereby make the organic layer homogeneity that forms better, the surface is comparatively flat.
In one embodiment, the display panel includes a pixel defining layer formed by inkjet printing, the first and second banks are disposed around the pixel defining layer, and in order to prevent ink forming the pixel defining layer from overflowing during the formation of the pixel defining layer, the first and second banks are disposed around the pixel defining layer, so that the pixel defining layer is formed in a specific region, and the ink forming the pixel defining layer does not overflow, so that the uniformity of the formed pixel defining layer is good.
In one embodiment, the material of the first retaining wall comprises polyimide, and the material of the second retaining wall comprises polyimide; when setting up first barricade and second barricade, make the material of first barricade and second barricade be polyimide, thereby make first barricade and second barricade can not react with display panel's rete, and only need expose to develop polyimide and can obtain first barricade and second barricade, the preparation is comparatively simple, and polyimide is transparent material, makes first barricade and second barricade also can not influence display panel's display effect.
In one embodiment, as shown in fig. 5, in the upper frame of the display panel, the distance between the first wall and the second wall is greater than or equal to the side frame of the display panel, and the distance between the first wall and the second wall, i.e., L2> -L1, that is, when the first wall forms the first opening on one side of the lower frame of the display panel and the second wall fills the first opening, the setting position of the second wall can be moved upward directly, so that the second wall moves to the first opening on one side of the lower frame and fills the first opening of the first wall, and the second wall moves upward on one side of the upper frame, so that the distance between the first wall and the second wall on one side of the upper frame of the display panel is increased, so that L2> L1, the setting method only needs to change the mask corresponding to the first wall, so that the first wall forms the first opening, meanwhile, the manufacturing process of the second retaining wall does not need to be changed, and only the arrangement position of the second retaining wall needs to be moved upwards, so that the first retaining wall and the second retaining wall are formed more conveniently and the process is simpler; or when the second retaining wall is filled to the first opening, the distance between the second retaining wall and the first retaining wall on one side of the upper frame is equal to the distance between the first retaining wall and one side of the display panel when viewed from the side, namely, L2 is equal to L1, so that the width of the lower frame of the display panel is only reduced without changing the distance between the first retaining wall and the second retaining wall which are positioned on the side frame and the upper frame of the display panel, namely, without changing the width of the side frame and the upper frame of the display panel.
In one embodiment, as shown in fig. 7, the first wall 431 forms a closed figure around the display area, the second wall 432 forms a third opening 434 at a lower frame of the display panel, and one side 433 of the first wall 431 located at the lower frame fills the third opening 434; when the second retaining wall forms the third opening, the first retaining wall is filled to the third opening on one side of the lower frame of the display panel, the side edge of the second retaining wall is connected to the first retaining wall, so that the first retaining wall and the second retaining wall form a closed graph, the distance between the lower frame of the display panel and the distance between the lower frame of the display panel, which are lower than the retaining wall and the second retaining wall, are shortened, and the width of the lower frame of the display panel is reduced.
In one embodiment, as shown in fig. 7, the second retaining wall 432 is formed with a fourth opening 436 on the upper frame of the display panel, the first retaining wall 431 is filled to the fourth opening 436 on one side 435 of the upper frame, and the second retaining wall is formed with a third opening on one side of the lower frame of the display panel, so that when the width of the lower frame of the display panel is reduced, the fourth opening is formed on one side of the upper frame of the display panel by the second retaining wall, so that one side of the first retaining wall on the upper frame of the display panel is filled to the fourth opening, so that the distance between the first retaining wall and the second retaining wall is reduced on the upper frame of the display panel, thereby reducing the width of the upper frame of the display panel, and further realizing the narrow frame of the display panel.
In one embodiment, as shown in fig. 8, the first retaining wall 531 forms a fifth opening 533 at the lower frame of the display panel, the second retaining wall 532 forms a sixth opening 536 at the upper frame of the display panel, one side 535 of the first retaining wall 531 at the upper frame of the display panel is filled into the sixth opening 536, and one side 534 of the second retaining wall 532 at the lower frame of the display panel is filled into the fifth opening 533; when the first retaining wall and the second retaining wall form a closed graph surrounding the display area, openings can be formed in the first retaining wall and the second retaining wall respectively, other frames of the display panel can be reduced when the lower frame of the display panel is reduced, a fifth opening is formed in one side, located on the lower frame, of the first retaining wall, one side, located on the lower frame, of the second retaining wall is filled into the fifth opening, the width of the lower frame of the display panel is reduced, a sixth opening is formed in one side, located on the upper frame, of the second retaining wall, one side, located on the upper frame, of the first retaining wall is filled into the sixth opening, and the width of the upper frame of the display panel is reduced.
As shown in fig. 9, an embodiment of the present invention provides a comparison diagram of a retaining wall of a lower frame of a display panel in an embodiment of the present invention with a retaining wall of a lower frame of a display panel in an embodiment of the present invention, where (a) in fig. 9 shows that a first retaining wall 131 and a second retaining wall 132 are disposed around a display region of a lower frame of a display panel in an existing display panel, and (b) in fig. 9 shows that a second retaining wall 232 is disposed around a display region of a lower frame of a display panel in an embodiment of the present invention, as can be seen from fig. 9, the lower frame of a display panel in an embodiment of the present invention has only one retaining wall, so that the width of the lower frame of the display panel can be reduced by shortening the distance from a bending region to the display region.
As shown in fig. 10, an embodiment of the present invention provides a comparison diagram of a conventional display panel and a display panel according to an embodiment of the present invention, where (a) in fig. 10 is a diagram of an arrangement of a first retaining wall 131 and a second retaining wall 132 in the conventional display panel, and (b) in fig. 10 is a diagram of a first retaining wall 231 and a second retaining wall 232 in the display panel according to an embodiment of the present invention, as can be seen from fig. 10, in the embodiment of the present invention, an opening is formed in one of the first retaining wall and the second retaining wall in a lower frame of the display panel, and the other retaining wall is filled into the opening, so that the occupied space of the retaining wall in the lower frame of the display panel is reduced, thereby reducing the width of the lower frame of the display panel, and the arrangement method provides a novel retaining wall structure.
As shown in fig. 11, an embodiment of the present invention provides a comparison diagram between a conventional display panel and a display panel according to an embodiment of the present invention, where (a) in fig. 11 is a schematic diagram of the conventional display panel after being bent, and (b) in fig. 11 is a schematic diagram of the display panel according to an embodiment of the present invention after being bent, in the conventional display panel, because a first ring of retaining walls and a second ring of retaining walls exist and are spaced apart from each other by a distance, a lower frame of the display panel is made wider, and a distance between a bent region 122 and a display region 121 is a, in the display panel according to an embodiment of the present invention, because the first retaining wall or the second retaining wall is opened at the lower frame of the display panel, and the first retaining wall and the second retaining wall are closed at the lower frame of the display panel, a space occupied by the retaining walls in the lower frame of the display panel is reduced, so that a width of the lower frame of the display panel is, the distance between the bending region 222 and the display region 21 is b, b < a, and the lower frame of the display panel is lowered.
According to the above embodiment:
the embodiment of the invention provides a display panel, which comprises a display area and a non-display area, wherein the non-display area comprises a retaining wall area, a bending area and a binding area, the retaining wall area is arranged around the display area, the retaining wall area is provided with a first retaining wall and a second retaining wall, the bending area is arranged on a lower frame of the display panel and is arranged in a direction of the retaining wall area far away from the display area, the binding area is arranged on the lower frame of the display panel and is arranged in a direction of the bending area far away from the display area, the first retaining wall is arranged around the display area, the second retaining wall is arranged around the first retaining wall, one of the first retaining wall and the second retaining wall forms an opening on the lower frame of the display panel, and the first retaining wall and the second retaining wall form a closed graph around the display area; the opening is formed in the lower frame of the display panel through the first retaining wall or the second retaining wall, the first retaining wall and the second retaining wall form a closed graph, the first retaining wall and the second retaining wall occupy a small amount of space or even do not occupy space in the lower frame, and meanwhile, because the first retaining wall and the second retaining wall only have one surface of one retaining wall in the lower frame, the stress of the retaining wall area is reduced when the retaining wall is bent, the distance between the bending area and the retaining wall area is reduced, the width of the lower frame is further reduced, the technical problem that the existing OLED display panel has larger retaining wall occupying space and causes the lower frame of the OLED display panel to be wider is solved.
The display panel provided by the embodiment of the present application is described in detail above, and a specific example is applied to illustrate the principle and the implementation manner of the present application, and the description of the embodiment is only used to help understanding the technical solution and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.

Claims (10)

1. A display panel comprising a display region and a non-display region, the non-display region comprising:
the retaining wall area is arranged around the display area and is provided with a first retaining wall and a second retaining wall;
the bending area is arranged on the lower frame of the display panel and is arranged in the direction of the retaining wall area far away from the display area;
the binding area is arranged on the lower frame of the display panel and is arranged in the direction of the bending area far away from the display area;
wherein, first barricade centers on the display area sets up, the second barricade surrounds first barricade sets up, one of first barricade and second barricade forms at display panel's lower frame has the opening, just first barricade with the second barricade surrounds the display area forms closed figure.
2. The display panel of claim 1, wherein the first wall forms a first opening in a lower frame of the display panel, the second wall forms a closed pattern around the first wall, and one side of the second wall located in the lower frame fills the first opening.
3. The display panel of claim 2, wherein the first wall forms a second opening in an upper bezel of the display panel, and the second wall fills the second opening at one side of the upper bezel.
4. The display panel according to claim 2, wherein a width of the first opening is less than or equal to a width of the display region.
5. The display panel according to claim 2, wherein the display region is provided with an encapsulation layer, the encapsulation layer comprises a first inorganic layer, an organic layer, and a second inorganic layer, the organic layer is disposed between the first inorganic layer and the second inorganic layer, and the first barrier and the second barrier are disposed at the periphery of the organic layer.
6. The display panel according to claim 2, wherein the material of the first retaining wall comprises polyimide, and the material of the second retaining wall comprises polyimide.
7. The display panel as claimed in claim 2, wherein the distance between the first wall and the second wall is greater than or equal to the distance between the first wall and the second wall on the top frame of the display panel.
8. The display panel according to claim 1, wherein the first retaining wall surrounds the display area to form a closed pattern, the second retaining wall forms a third opening in a lower frame of the display panel, and one side of the first retaining wall located in the lower frame is filled into the third opening.
9. The display panel according to claim 8, wherein the second wall forms a fourth opening in the upper bezel of the display panel, and the first wall fills the fourth opening at one side of the upper bezel.
10. The display panel according to claim 1, wherein the first retaining wall forms a fifth opening in a lower frame of the display panel, the second retaining wall forms a sixth opening in an upper frame of the display panel, a side of the first retaining wall located in the upper frame of the display panel fills the sixth opening, and a side of the second retaining wall located in the lower frame of the display panel fills the fifth opening.
CN202010018532.3A 2020-01-08 2020-01-08 Display panel Pending CN111192976A (en)

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CN111653213A (en) * 2020-06-10 2020-09-11 武汉华星光电半导体显示技术有限公司 Display module and manufacturing method thereof
CN113097260A (en) * 2021-03-24 2021-07-09 深圳市华星光电半导体显示技术有限公司 Display panel, manufacturing method thereof and display device
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CN110262136A (en) * 2019-04-02 2019-09-20 厦门天马微电子有限公司 Display panel and display device

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CN107768402A (en) * 2016-08-23 2018-03-06 陈扬证 Display panel with retention device
CN109166894A (en) * 2018-08-31 2019-01-08 上海天马微电子有限公司 Display panel and its manufacturing method, protective film, display device
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Application publication date: 20200522