CN110854297A - Flexible display panel and flexible display device - Google Patents
Flexible display panel and flexible display device Download PDFInfo
- Publication number
- CN110854297A CN110854297A CN201911167859.0A CN201911167859A CN110854297A CN 110854297 A CN110854297 A CN 110854297A CN 201911167859 A CN201911167859 A CN 201911167859A CN 110854297 A CN110854297 A CN 110854297A
- Authority
- CN
- China
- Prior art keywords
- layer
- display panel
- flexible display
- flexible
- flexible substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
-
- 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
- H10K50/8426—Peripheral sealing arrangements, e.g. adhesives, sealants
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a flexible display panel and a flexible display device, wherein the flexible display panel comprises: a flexible substrate layer; a thin-film transistor layer disposed over the flexible substrate layer; the OLED device layer is arranged on the thin film transistor layer; the thin film packaging layer is arranged on the OLED device layer and comprises a first organic layer; the flexible display panel is divided into a display area and a non-display area around the display area, at least one through hole is formed in a film layer structure between the flexible substrate layer and the film packaging layer in the non-display area, and the first organic layer is connected with the flexible substrate layer through the through hole. According to the invention, the organic layer of the packaging layer is connected with the flexible substrate, so that the bonding force of the film layer in the bending area is increased, the water and oxygen infiltration caused by the peeling of the film layer during bending is avoided, and the effectiveness and reliability of packaging are effectively improved.
Description
Technical Field
The invention relates to the technical field of display, in particular to a flexible display panel and a flexible display device.
Background
With the ever-increasing market demand of third generation display technologies, the research, development and production of flexible OLEDs have become a popular field in the display industry at present. The foldable OLED display screen is regarded as a new appearance, new changes of the display industry are modeled, and meanwhile subversive changes are brought to the appearance and the using mode of the intelligent handheld device. However, the flexible packaging technology of the bending region is directly related to the display life of the OLED, and becomes one of the bottlenecks that restrict the foldable OLED display screen.
In the existing packaging technology, the packaging layer is usually designed as a laminated structure of inorganic layer-organic layer-inorganic layer, wherein the inorganic layer is mainly used for blocking outside water and oxygen, and the organic layer is mainly used for covering particle pollutants which cannot be avoided in the production process. Since the material of the organic layer tends to have better fluidity and thus the boundary is not easily controlled, a Dam (Dam) is usually formed at the periphery of the display region to prevent the uncontrollable boundary of the material of the organic layer. However, in the bent region, the organic layer is easily peeled off from the inorganic layer due to stress influence of bending, and the probability of occurrence is the greatest at the boundary of Dam, resulting in encapsulation failure, water and oxygen infiltration, causing poor display of the OLED panel.
Disclosure of Invention
The invention provides a flexible display panel and a display device thereof, which can effectively avoid the packaging failure problem of a bending area.
To solve the above problem, in a first aspect, the present invention provides a flexible display panel, including:
a flexible substrate layer;
a thin-film transistor layer disposed over the flexible substrate layer;
the OLED device layer is arranged on the thin film transistor layer;
the thin film packaging layer is arranged on the OLED device layer and comprises a first organic layer;
the flexible display panel is divided into a display area and a non-display area around the display area, at least one through hole is formed in a film layer structure between the flexible substrate layer and the film packaging layer in the non-display area, and the first organic layer is connected with the flexible substrate layer through the through hole.
Furthermore, the flexible display panel comprises a bending area, and a first non-bending area and a second non-bending area which are arranged on two sides of the bending area, and the via hole is formed in the bending area.
Further, the film packaging layer further comprises a surrounding type first retaining wall arranged on the periphery of the display area, the first retaining wall is arranged on the outer edge of the first organic layer, and the via hole is formed in the position, close to the first retaining wall, of the inner side of the display area.
Furthermore, the cross section of the through hole is square or inverted trapezoid.
Further, the aperture of the via hole is smaller than 10 microns.
Further, the thin film encapsulation layer further comprises: a first inorganic layer formed under the first organic layer, and a second inorganic thin film formed over the first organic layer.
Further, the first inorganic thin film is deposited avoiding the via hole area.
Furthermore, an opening is etched in the first inorganic film corresponding to the via hole area, and the first organic layer is connected with the flexible substrate layer through the via hole and the opening.
Further, in the bending area, the first retaining wall is arranged discontinuously, and the via hole is formed in one or more breaking areas of the first retaining wall.
In a second aspect, the present invention also provides a flexible display device, including the flexible display panel described above.
Has the advantages that: the invention provides a flexible display panel and a display device thereof.A flexible substrate is connected with an organic layer of an encapsulation film by arranging a via hole in a non-display area, and the flexible substrate is also made of an organic material, so that the organic layer of the encapsulation film has good adhesive force with the flexible substrate, the bending capacity of a bending area is favorably improved, the invasion of water and oxygen caused by peeling or cracking of an encapsulation film layer can be effectively avoided, and the effectiveness and the reliability of encapsulation are ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, 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 structural diagram of a flexible display panel according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a non-display area of a flexible display panel according to a first preferred embodiment of the present invention;
fig. 3 is a schematic structural diagram of a non-display area of a flexible display panel according to a second preferred embodiment of the present invention;
fig. 4 is a schematic structural diagram of a non-display area of a flexible display panel according to a third preferred embodiment of the present invention;
fig. 5A to 5C are schematic structural diagrams of a non-display area of a flexible display panel according to a fourth preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
As a first preferred embodiment of the present invention, a flexible display panel is provided, referring to fig. 1, including a display area 100 and a non-display area 200 surrounding outside the display area, in the non-display area, a first retaining wall 300 and a second retaining wall 400 are disposed, the first retaining wall 300 is disposed on a periphery of the outside of the display area 100, the second retaining wall 400 is disposed on a periphery of the outside of the first retaining wall 300, the flexible display panel is further divided into a bending area 500, and a first non-bending area 600 and a second non-bending area 700 on two sides of the bending area, and the flexible display panel can be folded by the bending area 500.
The non-display area 200 of the bending area 500 has a specially designed package structure, and specifically, referring to fig. 2, includes a first flexible substrate 10a, a first buffer layer 11 disposed on the first flexible substrate 10a, a second flexible substrate 10b disposed on the first buffer layer 11, a second buffer layer 12 disposed on the second flexible substrate 10b, a first retaining wall 300 and a second retaining wall 400 disposed on the second buffer layer 12, the second retaining wall 400 being disposed on a side of the first retaining wall 300 away from the display area;
a via hole 13 is formed on the second buffer layer 12, the first organic layer 14 is disposed on the second buffer layer 12 and ends at the inner side of the first retaining wall 300, and is connected to the second flexible substrate 10a through the via hole 13, and the first organic layer 14 is further disposed with an inorganic layer 15, the boundary of which ends at the outer side of the second retaining wall 400.
The shape of the via hole 13 is not particularly limited, and the first organic layer 14 may be connected to the second flexible substrate 10b, specifically, the via hole 13 may be a via hole having a square or inverted trapezoid cross section, and the aperture of the via hole is smaller than 10 micrometers, so that the adhesion of the adhesive package film layer can be effectively improved, and the problem of poor display is not caused.
The step of forming the via hole 13 includes: coating photoresist, exposing and developing, etching and stripping the photoresist, wherein the etching mode can be wet etching or dry etching or a mixed mode of the wet etching and the dry etching.
As a second preferred embodiment of the present invention, a flexible display panel is provided, which has the same structure as that shown in fig. 1 as the first preferred embodiment, and is not described herein again, except that a specially designed package structure is provided on the non-display area of the bending area 500, specifically referring to fig. 3:
the display panel comprises a first flexible substrate 10a, a first buffer layer 11 arranged on the first flexible substrate 10a, a second flexible substrate 10b arranged on the first buffer layer 11, and a second buffer layer 12 arranged on the second flexible substrate 10b, wherein a first retaining wall 300 and a second retaining wall 400 are arranged on the second buffer layer 12, and the second retaining wall 400 is arranged on one side of the first retaining wall 300 far away from a display area;
a via hole 13 is formed on the second buffer layer 12, a first inorganic layer 16 is disposed on the second buffer layer 12, and the boundary thereof is cut off inside the via hole 13, so that the via hole 13 is maintained in an exposed state, a first organic layer 14 is disposed on the first inorganic layer 16, and the boundary thereof is cut off inside the first retaining wall 300, the first organic layer 14 is connected to the second flexible substrate through the via hole 13, and a second inorganic layer 15 is disposed on the first organic layer 14, and the boundary thereof is cut off outside the second retaining wall 400.
As a third preferred embodiment of the present invention, a flexible display panel is provided, which has the same structure as that shown in fig. 1 as the first preferred embodiment, and is not described herein again, except that a specially designed package structure is provided on the non-display area of the bending area 500, specifically referring to fig. 4:
the display panel comprises a first flexible substrate 10a, a first buffer layer 11 arranged on the first flexible substrate 10a, a second flexible substrate 10b arranged on the first buffer layer 11, and a second buffer layer 12 arranged on the second flexible substrate 10b, wherein a first retaining wall 300 and a second retaining wall 400 are arranged on the second buffer layer 12, and the second retaining wall 400 is arranged on one side of the first retaining wall 300 far away from a display area;
forming a via hole 13 on the second buffer layer 12, forming a first inorganic layer 16 on the second buffer layer 12, cutting the boundary of the first inorganic layer 16 at the outer side of the second barrier wall 400, drilling the first inorganic layer 16 through photoresist coating, exposure and development, etching and photoresist stripping to expose the via hole 13, forming a first organic layer 14 on the first inorganic layer 16, cutting the boundary at the inner side of the first barrier wall 300, connecting the first organic layer 14 with a second flexible substrate through the via hole 13, forming a second inorganic layer 15 on the first organic layer 14, and cutting the boundary at the outer side of the second barrier wall 400.
As a fourth preferred embodiment of the present invention, a flexible display panel is provided, which has a structure similar to that of the first preferred embodiment as shown in fig. 1, and is not repeated herein, except that the structure of the non-display region of the bending region 500 is slightly different, referring to fig. 5A, the second barrier wall 400 is continuously disposed, the first barrier wall 300 is discontinuously disposed, and includes a breaking region 3002 and a reserved region 3001, at the breaking region 3002, the edge of the first organic layer 14 exceeds the outer edge of the first barrier wall and is inside the second barrier wall 400; at the reserved area 3001, the edge of the first organic layer 14 is disposed at the inner side of the first retaining wall 300.
Specifically, the cross-sectional structure of the reserved area 3001 is shown in fig. 5B, and includes a first flexible substrate 10a, a first buffer layer 11 disposed on the first flexible substrate 10a, a second flexible substrate 10B disposed on the first buffer layer 11, and a second buffer layer 12 disposed on the second flexible substrate 10B, wherein a first retaining wall 300 and a second retaining wall 400 are disposed on the second buffer layer 12, and the second retaining wall 400 is disposed on a side of the first retaining wall 300 away from the display area; the first inorganic layer 16 is disposed on the second buffer layer 12, and the boundary thereof ends at the outer side of the second barrier wall 400, the first organic layer 14 is disposed on the first inorganic layer 16, and the boundary thereof ends at the inner side of the first barrier wall 300, the second inorganic layer 15 is disposed on the first organic layer 14, and the boundary thereof ends at the outer side of the second barrier wall 400 and completely covers the first inorganic layer 16;
referring to fig. 5C, the cross-sectional structure of the breaking area 3002 is different from that of the reserved area 3001 in that the first retaining wall 300 is not disposed, a via hole 13 is formed in the second buffer layer 12 at a position corresponding to the original first retaining wall 300, the first inorganic layer 16 is disposed on the second buffer layer 12, the outer boundary thereof is terminated at the inner side of the via hole 13, the first organic layer 14 is disposed on the first inorganic layer 16 and completely covers the via hole 13 and the second flexible substrate 10b, the second inorganic layer 15 is disposed on the first organic layer 14, and the boundary thereof is terminated at the outer side of the second retaining wall 400.
The invention further provides an embodiment, and particularly provides a flexible display device which comprises the flexible display panel.
It should be noted that, in the above display panel embodiment, only the above structure is described, and it is understood that, in addition to the above structure, the display panel according to the embodiment of the present invention may further include any other necessary structure as needed, and the specific structure is not limited herein.
By adopting the flexible display panel described in the above embodiment, the flexible substrate is connected with the organic layer of the packaging film by arranging the via hole in the non-display area, and the flexible substrate is also made of an organic material, so that the organic layer of the packaging film has good adhesion with the flexible substrate, the bending capability of the bending area is favorably improved, the invasion of water and oxygen caused by the peeling or cracking of the packaging film layer can be effectively avoided, and the effectiveness and reliability of packaging are ensured.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and parts that are not described in detail in a certain embodiment may refer to the above detailed descriptions of other embodiments, and are not described herein again.
In a specific implementation, each unit or structure may be implemented as an independent entity, or may be combined arbitrarily to be implemented as one or several entities, and the specific implementation of each unit or structure may refer to the foregoing method embodiment, which is not described herein again.
The flexible display panel and the display device thereof provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by applying specific examples, and the description of the embodiments above is only used to help understanding the method and the core idea of the present invention; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A flexible display panel, comprising:
a flexible substrate layer;
a thin-film transistor layer disposed over the flexible substrate layer;
the OLED device layer is arranged on the thin film transistor layer; and
a thin film encapsulation layer disposed over the OLED device layer, the thin film encapsulation layer comprising a first organic layer, wherein,
the flexible display panel is divided into a display area and a non-display area around the display area, at least one through hole is formed in a film layer structure between the flexible substrate layer and the film packaging layer in the non-display area, and the first organic layer is connected with the flexible substrate layer through the through hole.
2. The flexible display panel according to claim 1, wherein the flexible display panel comprises a bending region, and a first non-bending region and a second non-bending region disposed at two sides of the bending region, and the via hole is formed in the bending region.
3. The flexible display panel according to claim 1, wherein the film encapsulation layer further comprises a surrounding first retaining wall disposed around the display region, the first retaining wall is disposed along an outer edge of the first organic layer, and the via hole is formed at an inner side of the first retaining wall close to the display region.
4. The flexible display panel according to any one of claims 1 to 3, wherein the via is a via having a cross-sectional shape of a square or an inverted trapezoid.
5. The flexible display panel of claim 4, wherein the via has an aperture of less than 10 microns.
6. The flexible display panel of claim 1, wherein the thin film encapsulation layer further comprises: a first inorganic layer formed under the first organic layer, and a second inorganic thin film formed over the first organic layer.
7. The flexible display panel of claim 6, wherein the first inorganic thin film is deposited avoiding the via area.
8. The flexible display panel of claim 7, wherein the first inorganic film is etched with an opening corresponding to the via area, and the first organic layer is connected to the flexible substrate layer through the via and the opening.
9. The flexible display panel according to claim 3, wherein the first retaining walls are intermittently disposed in the bending region, and the via holes are formed in one or more breaking regions of the first retaining walls.
10. A flexible display device comprising a flexible display panel according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911167859.0A CN110854297A (en) | 2019-11-25 | 2019-11-25 | Flexible display panel and flexible display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911167859.0A CN110854297A (en) | 2019-11-25 | 2019-11-25 | Flexible display panel and flexible display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110854297A true CN110854297A (en) | 2020-02-28 |
Family
ID=69604430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911167859.0A Pending CN110854297A (en) | 2019-11-25 | 2019-11-25 | Flexible display panel and flexible display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110854297A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111341206A (en) * | 2020-03-17 | 2020-06-26 | 山东傲晟智能科技有限公司 | OLED display panel and manufacturing method thereof |
| CN111403620A (en) * | 2020-03-25 | 2020-07-10 | 武汉华星光电半导体显示技术有限公司 | Display device and manufacturing method thereof |
| CN111446381A (en) * | 2020-04-13 | 2020-07-24 | 武汉华星光电半导体显示技术有限公司 | Display panel and display terminal |
| CN111900262A (en) * | 2020-07-31 | 2020-11-06 | 合肥维信诺科技有限公司 | Display panel and preparation method thereof |
| WO2021159584A1 (en) * | 2020-02-12 | 2021-08-19 | 武汉华星光电半导体显示技术有限公司 | Oled display panel and manufacturing method therefor |
| WO2021243752A1 (en) * | 2020-06-02 | 2021-12-09 | 武汉华星光电半导体显示技术有限公司 | Flexible display and manufacturing method therefor |
| CN114188493A (en) * | 2021-11-29 | 2022-03-15 | 惠州华星光电显示有限公司 | Display panel and display device |
| US11424270B2 (en) | 2020-06-02 | 2022-08-23 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Flexible display device and manufacturing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108520895A (en) * | 2018-03-08 | 2018-09-11 | 友达光电股份有限公司 | Display panel |
| CN109065577A (en) * | 2018-07-25 | 2018-12-21 | 厦门天马微电子有限公司 | Flexible display panels and display device |
| CN109449306A (en) * | 2018-09-28 | 2019-03-08 | 昆山国显光电有限公司 | The manufacturing method of display panel, display device and display panel |
| CN209328948U (en) * | 2019-03-07 | 2019-08-30 | 昆山国显光电有限公司 | A kind of display panel |
-
2019
- 2019-11-25 CN CN201911167859.0A patent/CN110854297A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108520895A (en) * | 2018-03-08 | 2018-09-11 | 友达光电股份有限公司 | Display panel |
| CN109065577A (en) * | 2018-07-25 | 2018-12-21 | 厦门天马微电子有限公司 | Flexible display panels and display device |
| CN109449306A (en) * | 2018-09-28 | 2019-03-08 | 昆山国显光电有限公司 | The manufacturing method of display panel, display device and display panel |
| CN209328948U (en) * | 2019-03-07 | 2019-08-30 | 昆山国显光电有限公司 | A kind of display panel |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021159584A1 (en) * | 2020-02-12 | 2021-08-19 | 武汉华星光电半导体显示技术有限公司 | Oled display panel and manufacturing method therefor |
| CN111341206A (en) * | 2020-03-17 | 2020-06-26 | 山东傲晟智能科技有限公司 | OLED display panel and manufacturing method thereof |
| CN111403620A (en) * | 2020-03-25 | 2020-07-10 | 武汉华星光电半导体显示技术有限公司 | Display device and manufacturing method thereof |
| CN111446381A (en) * | 2020-04-13 | 2020-07-24 | 武汉华星光电半导体显示技术有限公司 | Display panel and display terminal |
| WO2021243752A1 (en) * | 2020-06-02 | 2021-12-09 | 武汉华星光电半导体显示技术有限公司 | Flexible display and manufacturing method therefor |
| US11424270B2 (en) | 2020-06-02 | 2022-08-23 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Flexible display device and manufacturing method thereof |
| CN111900262A (en) * | 2020-07-31 | 2020-11-06 | 合肥维信诺科技有限公司 | Display panel and preparation method thereof |
| CN111900262B (en) * | 2020-07-31 | 2022-08-05 | 合肥维信诺科技有限公司 | Display panel and preparation method thereof |
| CN114188493A (en) * | 2021-11-29 | 2022-03-15 | 惠州华星光电显示有限公司 | Display panel and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110854297A (en) | Flexible display panel and flexible display device | |
| US10985195B2 (en) | Array substrates and methods for manufacturing thereof and display screens | |
| CN111653595B (en) | Display substrate, manufacturing method thereof and display panel | |
| CN111564482B (en) | Display substrate, preparation method and display device | |
| JP7395359B2 (en) | Display substrate and display device | |
| WO2020124921A1 (en) | Display panel and manufacturing method therefor | |
| CN108470762B (en) | Flexible display panel and display device | |
| WO2020029464A1 (en) | Method for manufacturing flexible display panel, and flexible display panel | |
| CN108899340A (en) | Flexible AMOLED display panel and its manufacturing method | |
| CN109192880B (en) | Display panel and manufacturing method thereof | |
| TWI512582B (en) | Touch panel and touch display panel | |
| CN109188790B (en) | Substrate, manufacturing method thereof and display device | |
| WO2022047973A1 (en) | Oled display panel and manufacturing method therefor | |
| US11398523B2 (en) | Array substrate and manufacturing method thereof, display panel and display device | |
| CN111129347A (en) | Display panel and manufacturing method thereof | |
| US9653483B2 (en) | Display motherboard, display panel and display device | |
| CN112259564A (en) | Display panel, preparation method thereof and display device | |
| WO2023202584A1 (en) | Display panel, method for manufacturing display panel, and display apparatus | |
| WO2020034269A1 (en) | Oled display panel and method for manufacturing same | |
| CN110335961A (en) | Luminescent panel and display device | |
| TWI530398B (en) | Display panel | |
| CN112420948B (en) | Display panel and display device | |
| CN112993139B (en) | Display panel, manufacturing method thereof and display device | |
| CN110703507B (en) | Display assembly | |
| CN107818945B (en) | Functional layer hole opening method, array substrate and display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200228 |