CN110970574B - Display panel, preparation method thereof and display device - Google Patents
Display panel, preparation method thereof and display device Download PDFInfo
- Publication number
- CN110970574B CN110970574B CN201911303452.6A CN201911303452A CN110970574B CN 110970574 B CN110970574 B CN 110970574B CN 201911303452 A CN201911303452 A CN 201911303452A CN 110970574 B CN110970574 B CN 110970574B
- Authority
- CN
- China
- Prior art keywords
- layer
- display panel
- electrode layer
- rough surface
- inorganic layer
- 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.)
- Active
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
- 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
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention provides a display panel, a preparation method thereof and a display device, and solves the problem that the frame area of the existing display panel occupies a large area. The display panel includes: the array substrate comprises a first electrode layer, a second electrode layer and a third electrode layer, wherein the first electrode layer comprises a first central area and a first edge area surrounding the first central area; the first inorganic layer is superposed on the first electrode layer and comprises a second edge area, the orthographic projection of the second edge area on the first electrode layer is superposed with the first edge area, and the second edge area is provided with a limiting structure; and the organic layer is superposed on the first inorganic layer and limited in the limiting structure.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display panel, a preparation method thereof and a display device
Background
The light-emitting layer in the display panel is very vulnerable to corrosion of moisture in the environment, so the display panel is usually packaged by a thin film package structure. The thin film encapsulation structure comprises an organic encapsulation layer and an inorganic encapsulation layer which are superposed, and the organic material has certain fluidity before curing, so that peripheral circuits are easily polluted. Therefore, a plurality of cofferdams are usually required to be arranged in the non-display area to prevent the organic materials from overflowing, and the arrangement of the plurality of cofferdams causes the area of the non-display area to be too large, which is not beneficial to realizing a narrow frame.
Disclosure of Invention
In view of this, embodiments of the present invention provide a display panel, a manufacturing method thereof, and a display device, which solve the problem of an oversized frame area in the prior art.
A first aspect of the present invention provides a display panel comprising: the array substrate comprises a first electrode layer, a second electrode layer and a third electrode layer, wherein the first electrode layer comprises a first central area and a first edge area surrounding the first central area; the first inorganic layer is superposed on the first electrode layer and comprises a second edge area, the orthographic projection of the second edge area on the first electrode layer is superposed with the first edge area, and the second edge area is provided with a limiting structure; and the organic layer is superposed on the first inorganic layer and is limited on the limit structure.
In one embodiment, the stopper structure includes a first rough surface on a side of the first inorganic layer adjacent to the organic layer.
In one embodiment, the first inorganic layer comprises the first rough surface.
In one embodiment, the first edge region of the first electrode layer includes a second rough surface on a side of the first edge region close to the first inorganic layer, the second rough surface and the first rough surface having the same structure; or
The display panel further includes a first passivation layer between the first electrode layer and the first inorganic layer; the first passivation layer comprises a third rough surface, the third rough surface is positioned on one side of the first passivation layer close to the first inorganic layer, and the third rough surface and the first rough surface have the same structure.
In one embodiment, the method further comprises a second passivation layer on a side of the first inorganic layer adjacent to the organic layer, the second passivation layer comprising the first rough surface.
In one embodiment, the stopper structure comprises a fourth rough surface surrounding sidewalls of the first electrode layer and/or the first inorganic layer.
In one embodiment, the first electrode layer and/or the first inorganic layer comprises the fourth rough surface; or the like, or, alternatively,
the display panel further comprises a third passivation layer surrounding sidewalls of the first electrode layer and/or the first inorganic layer, a side of the third passivation layer facing away from the first electrode layer and/or the first inorganic layer comprising the fourth rough surface.
In one embodiment, the first inorganic layer further includes a third edge region surrounding the second edge region, the third edge region covering a peripheral sidewall of the first electrode layer and being in contact with the substrate;
preferably, the display panel further comprises a second inorganic layer located on a side of the organic layer away from the substrate, the second inorganic layer covering the first inorganic layer and being in contact with the substrate.
The second aspect of the present invention provides a method for manufacturing a display panel, including:
preparing a second electrode layer, a light emitting layer and a first electrode layer which are stacked in sequence on a substrate, wherein the first electrode layer comprises a first central area and a first edge area surrounding the first central area;
preparing a first inorganic layer on one side, far away from the light-emitting layer, of the first electrode layer, wherein the first inorganic layer comprises a second edge area, the orthographic projection of the second edge area on the first electrode layer is overlapped with the first edge area, and a limiting structure is arranged in the second edge area;
and preparing an organic layer on one side of the first inorganic layer, which is far away from the first electrode layer, wherein the organic layer is limited in the limiting structure.
A third aspect of the present invention provides a display device, which includes the display panel provided in any one of the above embodiments.
According to the display panel, the preparation method thereof and the display device provided by the invention, the limit structure is arranged in the second edge area of the first inorganic layer, and compared with the cofferdam arranged on the substrate in the prior art, the width of the cofferdam is reduced on the basis of the existing frame area, so that the narrow frame is more favorably realized.
Drawings
Fig. 1 is a schematic structural diagram of a display panel according to a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a display panel according to a second embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a display panel according to a third embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a display panel according to a fourth embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a display panel according to a fifth embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a display panel according to a sixth embodiment of the present invention.
Fig. 7 is a flowchart of a method for manufacturing a display panel according to a seventh embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a display panel according to a first embodiment of the present invention. As shown in fig. 1, the display panel 10 includes an array substrate 11 and a thin film encapsulation layer 12 covering the array substrate 11. The array substrate 11 includes a first electrode layer 111, and the first electrode layer 111 includes a first central region a and a first edge region B surrounding the first central region a 1 . The thin film encapsulation layer 12 includes a first inorganic layer 121 and an organic layer 122 sequentially stacked on the first electrode layer 111. The first inorganic layer 121 includes a second edge region B 2 Second edge zone B 2 The orthographic projection on the first electrode layer 111 and the first edge region B 1 Coincident, second edge region B 2 A limiting structure 130 is provided. The organic layer 122 is stacked on the first inorganic layer 121 and is confined in the confinement structure 130.
The restriction of the organic layer 122 on the stopper structure 130 means that the organic layer 122 is restricted by the stopper structure 130, i.e. the organic layer 122 does not exceed the stopper structure 130.
The array substrate 11 may be an Organic Light-Emitting Diode (OLED) array substrate or a Quantum Dot Light-Emitting Diode (QDLED) array substrate. The first electrode layer 111 may be a cathode layer or an anode layer. A specific structure of the display panel 10, for example, as shown in fig. 1, includes a second electrode layer 113, an organic light emitting layer 112, a first electrode layer 111, a first inorganic layer 121, an organic layer 122, and a second inorganic layer 123, which are sequentially stacked on a substrate 110. It should be understood that the display panel 10 may further include a pixel circuit structure layer between the substrate 110 and the second electrode layer 113.
In general, the display panel 10 is divided into a display region and a frame region surrounding the display region, and a boundary line between the display region and the frame region is an opening boundary line of the outermost pixel unit on the display panel 10, that is, an edge line L of the bank 114 forming the pixel pit. The first central region a and the first edge region B of the first electrode layer 111 are located in the display region and the display region of the display panel 10, respectively 1 Is located in the frame area of the display panel.
In the present embodiment, as shown in fig. 1, the position-limiting structure 130 is a first rough surface formed on the side of the first inorganic layer 121 close to the organic layer 122. The rough surface itself may serve as a good barrier to slow or limit the egress of organic material.
According to the display panel provided by the embodiment, the second edge region B of the first inorganic layer 121 is covered by the first inorganic layer 2 Set up limit structure, compare and set up the cofferdam on base plate 110 among the prior art, reduced the width that sets up the cofferdam on the basis of current frame district in other words to more be favorable to realizing narrow frame.
In one embodiment, referring to fig. 1, the stopper structure 130 includes a first rough surface on a side of the first inorganic layer 121 close to the organic layer 122. The first rough surface may be formed directly on the first inorganic layer 121, i.e., the first inorganic layer includes the first rough surface, as shown in fig. 1, 2 and 3; the first rough surface can also be achieved by adding a new film layer comprising the first rough surface on the side of the first inorganic layer 421 close to the organic layer 422, as shown in fig. 4.
Specifically, as shown in fig. 1, the first inorganic layer 121 includes a first rough surface directly patterned on the surface of the first inorganic layer 121 to form the position limiting structure 130.
Fig. 2 is a schematic structural diagram of a display panel according to a second embodiment of the present invention. As shown in fig. 2, the display panel 20 is different from the display panel 10 shown in fig. 1 only in that, in the display panel 20, except forComprises a first edge region B of the first electrode layer 211 in addition to the first rough surface 231 shown in FIG. 1 1 Second roughened surface 232. The second rough surface 232 is located at the first edge region B 1 The second rough surface 232 has the same structure as the first rough surface 231 of the first inorganic layer 221, near the side of the first inorganic layer 221.
The first inorganic layer 221 is typically prepared by a thin film vapor deposition technique, such as a plasma chemical vapor deposition process or a physical vapor deposition process. In this case, when the second rough surface 232 is disposed on the first electrode layer 211, the first inorganic layer 221 replicates the surface structure of the first electrode layer 211, thereby forming the first rough surface 231 having the same structure as the second rough surface 232.
According to the display panel provided by the embodiment, the second rough surface 232 is formed on the first electrode layer 211, so that the first rough surface 231 for limiting the organic layer 222 is indirectly obtained, and compared with the display panel 10 shown in fig. 1, the first inorganic layer 221 does not need to be processed, so that the encapsulation effect is ensured.
Fig. 3 is a schematic structural diagram of a display panel according to a third embodiment of the present invention. As shown in fig. 3, the display panel 30 is different from the display panel shown in fig. 2 only in that the implementation form of the position limiting structure is different. The spacing structure in the display panel 30 is implemented by adding a film layer having a rough surface. Specifically, the display panel further includes a first passivation layer 330 disposed between the first electrode layer 311 and the first inorganic layer 321, the first passivation layer 330 includes a third rough surface 332, the third rough surface 332 is disposed on a side of the first passivation layer 330 close to the first inorganic layer 321, and the third rough surface 332 and the first rough surface 331 on the first inorganic layer 321 have the same structure.
The passivation layer 330 itself has a rough structure, and the surface formed by the passivation layer 330 is also rough, so the third rough surface 332 can be the rough surface of the passivation layer 330 itself, i.e., the surface formed after the passivation layer 330 is prepared. In addition, the third rough surface 332 may also be a rough surface obtained by further performing surface patterning on the passivation layer 330 on the basis of the passivation layer 330.
In one embodiment, the material of the passivation layer 330 includes CrO 3 Any one of FeO, znO and NiO.
According to the display panel provided by the embodiment, the passivation layer 330 itself has a rough structure to indirectly form the position-limiting structure, such as the first rough surface 331, and compared with the display panel 20 shown in fig. 2, the position-limiting effect is further improved by using the thickness of the passivation layer 330; meanwhile, the process of preparing the passivation layer 330 is simpler than the process of performing patterning on the film layer.
It should be understood that the limiting structure is illustrated as an added passivation layer, and the limiting structure may actually be an added film layer with a rough surface.
Fig. 4 is a schematic structural diagram of a display panel according to a fourth embodiment of the invention. As shown in fig. 4, the display panel 40 is different from the display panel 10 shown in fig. 1 only in that the display panel 40 further includes a second passivation layer 430 on a side of the first inorganic layer 421 adjacent to the organic layer 422, and the second passivation layer 430 includes a first rough surface 431.
The material of the second passivation layer 430 includes CrO 3 Any one of FeO, znO and NiO.
According to the display panel provided by the embodiment, the position limiting structure is formed by using the rough surface of the passivation layer 430, and compared with the display panel 10 shown in fig. 1, the thickness of one passivation layer 430 is increased by the position limiting structure, so that the position limiting effect is further improved.
In one embodiment, on the basis of the display panel shown in fig. 1-4, the spacing structure further comprises a fourth rough surface surrounding the sidewalls of the first electrode layer and/or the first inorganic layer. The fourth rough surface may be formed directly on the sidewalls of the first electrode layer and/or the first inorganic layer, i.e., the first electrode layer and/or the first inorganic layer comprises the fourth rough surface; the fourth rough surface may also be achieved by adding a film layer comprising the fourth rough surface and surrounding the sidewalls of the first electrode layer and/or the first inorganic layer, as shown in fig. 5. It should be understood that the fourth rough surface may be provided separately as a stop structure.
Specifically, fig. 5 is a schematic structural diagram of a display panel according to a fifth embodiment of the present invention. As shown in fig. 5, the passivation layer 330 in fig. 3 is denoted as a first passivation layer 531 for convenience of description. The display panel 50 differs from the display panel 30 shown in fig. 3 only in that in the display panel 50, the thin film encapsulation layer further includes a third passivation layer 532, the third passivation layer 532 surrounds a peripheral sidewall of the first electrode layer 511, and a fourth rough surface is included on a side of the third passivation layer 532 facing away from the first electrode layer 511 and/or the first inorganic layer 521.
The materials of the first passivation layer 531 and the second passivation layer 532 are respectively and independently selected from CrO 3 Any one of FeO, znO and NiO.
In one embodiment, as shown in fig. 5, a first end of the third passivation layer 532 is connected to the first passivation layer 531, and a second end far from the first end is in contact with the substrate 510. In this way, the side wall of the flexible display panel 50 can be protected, and a package structure disposed on the side surface of the flexible display panel 50 is omitted, thereby further realizing a narrow bezel. According to the flexible display panel that this embodiment provided, can carry the first rough surface of overflowing and the micro organic material that overflows through setting up the fourth rough surface to play the effect that prevents the organic material overflow in the side, be equivalent to on horizontal limit structure's basis, further add ascending limit structure of vertical side, be favorable to reducing the frame width when guaranteeing the overflow effect.
Fig. 6 is a schematic structural diagram of a display panel according to a sixth embodiment of the present invention. As shown in fig. 6, the display panel 60 is different from the display panel 10 shown in fig. 1 only in that, in the display panel 60, the first inorganic layer 621 further includes a surrounding second edge area B 2 Third edge region B of 3 Third edge zone B 3 Covers the peripheral sidewalls of the first electrode layer 611 and contacts the substrate 610.
In one embodiment, the second inorganic layer 623 covers the first inorganic layer 611 and is in contact with the substrate 610.
In one embodiment, the third edge region B 3 May include a first inorganic layer 611 and a second inorganic layer623, wherein the fifth rough surface is arranged corresponding to the fourth rough surface and has a consistent structure to carry a trace amount of organic material overflowing the first rough surface, thereby preventing the organic material from overflowing laterally.
Thus, the side surface of the array substrate 60 can be encapsulated, thereby improving the encapsulation effect.
It should be understood that in the display panel provided in any one of the embodiments of fig. 2 to 5, the first inorganic layer 621 and/or the second inorganic layer 623 may be provided with the third edge region B as described above 3 To further improve the packaging effect.
In one embodiment, the display panel 60 further includes a second inorganic layer on a side of the organic layer 622 away from the substrate 610, the second inorganic layer covering the first inorganic layer and being in contact with the substrate 610.
Fig. 7 is a flowchart of a method for manufacturing a display panel according to a seventh embodiment of the invention. As shown in fig. 7, a method 700 for manufacturing a display panel includes:
step S710 of sequentially preparing a second electrode layer, a light emitting layer, and a first electrode layer stacked on a substrate, the first electrode layer including a first central region and a first edge region surrounding the first central region.
Step S720, a first inorganic layer is prepared on a side of the first electrode layer away from the light emitting layer, the first inorganic layer includes a second edge region, an orthographic projection of the second edge region on the first electrode layer coincides with the first edge region, and the second edge region is provided with a limiting structure.
Step S730, an organic layer is formed on the side of the first inorganic layer away from the first electrode layer, and the organic layer is limited by the second limiting structure.
In one embodiment, the spacing structure includes a first roughened surface formed on a side of the first inorganic layer adjacent to the organic layer. The first rough surface can be obtained by performing graphical surface treatment on the first inorganic layer, and can also be obtained by preparing a second rough surface below the first inorganic layer, and when the first inorganic layer is prepared by adopting a thin film vapor deposition technology subsequently, the first inorganic layer automatically copies the structure of the second rough surface to obtain the first rough surface.
Specifically, for example, referring to fig. 1, step S720 specifically includes: preparing a first inorganic layer on one side of the first electrode layer away from the luminescent layer; and carrying out graphical surface treatment on the second edge area of the first inorganic layer to obtain a first rough surface serving as a limiting structure.
For another example, referring to fig. 2, a step of performing a patterned surface treatment on the first edge region of the first electrode layer to obtain a second rough surface is further included between step S710 and step S720. In this case, step S720 specifically includes: and preparing a first inorganic layer on the side of the first electrode layer far away from the light-emitting layer, wherein the first inorganic layer replicates the structure of the first electrode layer to obtain a first rough surface with the same structure as the second rough surface.
The first electrode layer is typically prepared using a sputtering process. In this case, the first electrode layer having uneven roughness can be obtained by controlling the sputtering parameters (for example, power) to be different, thereby obtaining the second rough surface in the first edge region.
For another example, referring to fig. 3, a step of preparing a first passivation layer on the first edge region of the first electrode layer is further included between step S710 and step S720, and the first passivation layer includes a third rough surface. In this case, step S720 specifically includes: and preparing a first inorganic layer on the side of the first electrode layer far away from the light-emitting layer, wherein the first inorganic layer replicates the structure of the first electrode layer to obtain a first rough surface with the same structure as the third rough surface.
In another embodiment, the stopper structure is a stopper layer formed on the first edge region of the first inorganic layer, the stopper layer having a rough surface.
For example, referring to fig. 4, step S720 specifically includes: preparing a first inorganic layer on one side of the first electrode layer away from the light-emitting layer; a second passivation layer is prepared at a second edge region of the first inorganic layer, the second passivation layer including a first roughened surface.
The first rough surface may be a rough surface of the second passivation layer itself, or may be obtained by performing surface patterning on the second passivation layer.
According to the preparation method of the display panel provided by any embodiment of the invention, the preparation method and the display panel provided by the embodiment of the invention belong to the same inventive concept, and have corresponding film layer structures and beneficial effects. Details that are not elaborated in the embodiments of the manufacturing method can be found in the embodiments of the display panel, and are not repeated herein.
The invention also provides a display device which comprises the display panel provided by any one of the embodiments.
It should be understood that the terms "first", "second", "third" and "fourth" used in the description of the embodiments of the present invention are only used for clearly illustrating the technical solutions, and are not used for limiting the protection scope of the present invention.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and the like that are within the spirit and principle of the present invention are included in the present invention.
Claims (7)
1. A display panel, comprising:
the array substrate comprises a first electrode layer, a second electrode layer and a third electrode layer, wherein the first electrode layer comprises a first central area and a first edge area surrounding the first central area;
the first inorganic layer is superposed on the first electrode layer and comprises a second edge area, the orthographic projection of the second edge area on the first electrode layer is superposed with the first edge area, and the second edge area is provided with a limiting structure; and
the organic layer is superposed on one side of the first inorganic layer, which is far away from the array substrate, and is limited on the limit structure;
wherein the position limiting structure comprises a first rough surface positioned on one side of the first inorganic layer close to the organic layer;
the first inorganic layer comprises the first rough surface, or the display panel further comprises a second passivation layer positioned on one side of the first inorganic layer close to the organic layer, wherein the second passivation layer is provided with the first rough surface;
the surface of one side, close to the array substrate, of the second edge area of the first inorganic layer is a non-rough surface;
the spacing structure further comprises a fourth rough surface surrounding the sidewalls of the first electrode layer and/or the first inorganic layer;
the display panel is not provided with a cofferdam.
2. The display panel according to claim 1, wherein the first electrode layer and/or the first inorganic layer comprises the fourth rough surface; or the like, or a combination thereof,
the display panel further comprises a third passivation layer surrounding sidewalls of the first electrode layer and/or the first inorganic layer, a side of the third passivation layer facing away from the first electrode layer and/or the first inorganic layer comprising the fourth rough surface.
3. The display panel according to claim 1 or 2, wherein the first inorganic layer further comprises a third edge region surrounding the second edge region, the third edge region covering a peripheral sidewall of the first electrode layer and being in contact with the substrate.
4. The display panel according to claim 3, wherein the display panel further comprises a second inorganic layer on a side of the organic layer remote from the substrate, the second inorganic layer covering the first inorganic layer and being in contact with the substrate.
5. The display panel according to claim 1, wherein the material of the second passivation layer comprises any one of CrO3, feO, znO, and NiO.
6. A method for manufacturing a display panel, comprising:
preparing a second electrode layer, a light emitting layer and a first electrode layer which are stacked in sequence on a substrate, wherein the first electrode layer comprises a first central area and a first edge area surrounding the first central area;
preparing a first inorganic layer on one side of the first electrode layer, which is far away from the light-emitting layer, wherein the first inorganic layer comprises a second edge area, the orthographic projection of the second edge area on the first electrode layer is superposed with the first edge area, and the second edge area is provided with a limiting structure;
preparing an organic layer on one side of the first inorganic layer, which is far away from the first electrode layer, wherein the organic layer is limited on the limiting structure, and the limiting structure comprises a first rough surface which is positioned on one side of the first inorganic layer, which is close to the organic layer; the first inorganic layer comprises the first rough surface, or the display panel further comprises a second passivation layer positioned on one side of the first inorganic layer close to the organic layer, wherein the second passivation layer is provided with the first rough surface; the surface of one side, close to the substrate, of the second edge area of the first inorganic layer is a non-rough surface; the spacing structure further comprises a fourth rough surface surrounding the sidewalls of the first electrode layer and/or the first inorganic layer; the display panel is not provided with a cofferdam.
7. A display device characterized by comprising the display panel according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911303452.6A CN110970574B (en) | 2019-12-17 | 2019-12-17 | Display panel, preparation method thereof and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911303452.6A CN110970574B (en) | 2019-12-17 | 2019-12-17 | Display panel, preparation method thereof and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110970574A CN110970574A (en) | 2020-04-07 |
| CN110970574B true CN110970574B (en) | 2022-12-20 |
Family
ID=70034846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911303452.6A Active CN110970574B (en) | 2019-12-17 | 2019-12-17 | Display panel, preparation method thereof and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110970574B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115000320B (en) * | 2021-12-17 | 2023-05-05 | 荣耀终端有限公司 | Display panel, manufacturing method thereof and electronic equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI388078B (en) * | 2008-01-30 | 2013-03-01 | Osram Opto Semiconductors Gmbh | Method for manufacturing electronic components and electronic components |
| TWI473264B (en) * | 2012-03-02 | 2015-02-11 | Au Optronics Corp | Organic electroluminescent apparatus |
| KR102329978B1 (en) * | 2015-10-28 | 2021-11-22 | 엘지디스플레이 주식회사 | Flexible organic light emitting diode display device |
| CN106601781B (en) * | 2017-01-25 | 2019-12-24 | 上海天马微电子有限公司 | Organic light emitting display panel and display device |
| CN115734679A (en) * | 2017-11-30 | 2023-03-03 | 京东方科技集团股份有限公司 | OLED display panel, preparation method thereof and OLED display device |
| CN109301084B (en) * | 2018-09-28 | 2020-06-16 | 京东方科技集团股份有限公司 | Packaging structure, electronic device and packaging method |
-
2019
- 2019-12-17 CN CN201911303452.6A patent/CN110970574B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110970574A (en) | 2020-04-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11133369B2 (en) | Flexible display panel and manufacturing method thereof | |
| CN110120463B (en) | Display substrate, preparation method thereof and display device | |
| CN108962953B (en) | OLED display panel and OLED display | |
| CN114759071A (en) | Display substrate, manufacturing method thereof and display device | |
| US11282904B2 (en) | Organic light emitting diode display device, method of manufacturing the OLED display device, and electronic device | |
| CN110112317B (en) | Display device, flexible display panel and manufacturing method thereof | |
| CN107689390B (en) | Pixel defining layer, manufacturing method thereof, display substrate and display panel | |
| US11997890B2 (en) | Display substrate and method for manufacturing the same, and display device | |
| CN109950421B (en) | OLED display substrate and preparation method thereof | |
| CN109994657B (en) | OLED display panel manufacturing method and display panel manufactured by same | |
| WO2018214802A1 (en) | Oled substrate and manufacturing method thereof, and display device and manufacturing method thereof | |
| CN111162095B (en) | Driving backboard, manufacturing method thereof, display panel and display device | |
| CN111525044A (en) | Display panel, display device and manufacturing method of display device | |
| WO2018205587A1 (en) | Display substrate and manufacturing method therefor, and display device | |
| CN111129347A (en) | Display panel and manufacturing method thereof | |
| CN110867526B (en) | Display substrate, preparation method thereof and display device | |
| CN110970574B (en) | Display panel, preparation method thereof and display device | |
| CN113838996B (en) | Display panel and preparation method thereof | |
| CN109037277B (en) | Preparation method of OLED display panel, OLED display panel and display device | |
| CN113097265B (en) | Display panel and preparation method thereof | |
| CN112018131A (en) | Flexible display panel and preparation method thereof | |
| CN117082943A (en) | Display panel and preparation method thereof | |
| CN116828898A (en) | Display panel and preparation method thereof | |
| CN112289948B (en) | Organic light emitting diode display panel and manufacturing method thereof | |
| US20240057447A1 (en) | Oled display panel and oled 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |