CN114141848B - Display panel and electronic equipment - Google Patents
Display panel and electronic equipment Download PDFInfo
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- CN114141848B CN114141848B CN202111443222.7A CN202111443222A CN114141848B CN 114141848 B CN114141848 B CN 114141848B CN 202111443222 A CN202111443222 A CN 202111443222A CN 114141848 B CN114141848 B CN 114141848B
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/126—Shielding, e.g. light-blocking means over the TFTs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
Abstract
The application discloses a display panel and electronic equipment. The display panel is provided with a display area and a non-display area arranged at one side of the display area, and comprises a substrate, a metal wiring and a water absorption layer; the metal wire is arranged on one side of the substrate, and the metal wire is positioned in the non-display area; the water absorption layer is arranged on one side of the metal wire away from the substrate. The display panel edge metal wiring corrosion risk is reduced.
Description
Technical Field
The application relates to the technical field of display, in particular to a display panel and electronic equipment.
Background
Organic Light-Emitting diodes (OLEDs) have received great attention in the academia and industry due to their great potential for development in the field of solid state lighting and flat panel displays. Since the OLED display panel can be made lighter and thinner, flexible display technology will be a trend in the future.
At present, a substrate commonly used in an OLED display panel is a flexible substrate, such as a polyimide substrate, and a thin film transistor is controlled on the flexible substrate through signals so as to realize the light emitting regulation and control of an OLED device. However, since a large amount of metal wires for transmitting signals are integrated to the lower edge of the display panel, when external water vapor invades the metal wires from the lower edge of the panel, the corrosion risk of the metal wires is increased, so that signal transmission abnormality is easy to occur, display failure is caused under severe conditions, and display quality is greatly reduced.
Disclosure of Invention
The embodiment of the application provides a display panel and electronic equipment, so as to reduce the corrosion risk of metal wires at the edge of the display panel.
The embodiment of the application provides a display panel, which is provided with a display area and a non-display area arranged at one side of the display area, and comprises:
a substrate;
the metal wire is arranged on one side of the substrate and is positioned in the non-display area; and
the water absorption layer is arranged on one side of the metal wire away from the substrate.
Optionally, in some embodiments of the present application, the display panel further includes a water-blocking layer, and the water-blocking layer is located on a side of the water-absorbing layer away from the metal wiring.
Optionally, in some embodiments of the present application, a surface of the water-absorbing layer facing the water-blocking layer has a plurality of protrusions, a recess is formed between adjacent protrusions, and the water-blocking layer is filled in the recess and covers the surface of the protrusion.
Optionally, in some embodiments of the present application, the vertical cross-sectional shape of the protrusion includes one or more of a semi-oval shape, a semi-circular shape, a positive trapezoid shape, and an inverted trapezoid shape.
Optionally, in some embodiments of the present application, a side of the water absorbing layer facing the water blocking layer is provided with a plurality of grooves, and the water blocking layer is filled in the grooves and covers the surface of the water absorbing layer.
Optionally, in some embodiments of the present application, the water absorbing layer includes an organic material and a water absorbing agent doped in the organic material.
Optionally, in some embodiments of the present application, the display panel further includes a dam, where the dam is located in the non-display area and is enclosed on a peripheral side of the water absorbing layer, and a height of the dam is greater than or equal to a height of the water absorbing layer.
Optionally, in some embodiments of the present application, the non-display area includes a bending area, the metal trace is located in the bending area, and the display panel further includes a stress release layer, where the stress release layer is disposed in the bending area and is located on a side of the water-blocking layer away from the water-absorbing layer.
Optionally, in some embodiments of the present application, a product of an elastic modulus and a thickness of the film layer on one side of the metal trace is equal to a product of an elastic modulus and a thickness of the film layer on the other side of the metal trace.
The embodiment of the application also provides electronic equipment, which comprises a shell and a display panel arranged in the shell, wherein the display panel is the display panel in any embodiment.
Compared with the display panel in the prior art, the display panel provided by the application is provided with the water absorption layer on the metal wiring of the non-display area, when external water vapor invades from the edge of the panel, the water absorption layer can absorb the external water vapor, so that the water vapor invasion time can be delayed, and the corrosion risk of the metal wiring is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a display panel according to a first embodiment of the present application.
Fig. 2 is a schematic structural diagram of a display panel according to a second embodiment of the present application.
Fig. 3 (a) -3 (d) are schematic structural diagrams of different embodiments of a display panel according to a third embodiment of the present application.
Fig. 4 (a) -4 (b) are schematic structural diagrams of different embodiments of a display panel according to a fourth embodiment of the present application.
Fig. 5 is a schematic structural diagram of a display panel according to a fifth embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application. Furthermore, it should be understood that the detailed description is presented herein for purposes of illustration and explanation only and is not intended to limit the present application. In this application, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used to generally refer to the upper and lower positions of the device in actual use or operation, and specifically the orientation of the drawing figures; while "inner" and "outer" are for the outline of the device.
The embodiment of the application provides a display panel and electronic equipment. The following will describe in detail. The following description of the embodiments is not intended to limit the preferred embodiments.
The application provides a display panel. The display panel has a display area and a non-display area disposed on one side of the display area. The display panel comprises a substrate, a metal wire and a water absorption layer. The metal wire is arranged on one side of the substrate. The metal wire is located in the non-display area. The water absorption layer is arranged on one side of the metal wiring far away from the substrate.
From this, the display panel that this application provided is through setting up the water absorption layer on the metal wiring of non-display area, when external steam from the panel edge invasion, because the water absorption layer can absorb external steam, consequently can delay steam invasion time, reduces the corruption risk of metal wiring.
The display panel provided in the present application is described in detail below by way of specific embodiments. The display panel in the present application may be a liquid crystal display panel or an OLED display panel, and the following embodiments of the present application will be described with reference to the display panel being an OLED display panel, but the present invention is not limited thereto.
Referring to fig. 1, a first embodiment of the present application provides a display panel 100. The display panel 100 has a display area 101 and a non-display area 102 provided on one side of the display area 101. The display panel comprises a substrate 10, metal wires 11 and a water absorbing layer 12. The metal trace 11 is disposed on one side of the substrate 10. The metal trace 11 is located in the non-display area 102. The water-absorbing layer 12 is disposed on a side of the metal trace 11 away from the substrate 10.
Specifically, the substrate 10 may be a flexible substrate, such as a polyimide substrate.
In this embodiment, the non-display area 102 includes a frame area 1021 and a inflection area 1022. The inflection region 1022 is located at a side of the border region 1021 away from the display region 101. The metal trace 11 extends from the display region 101 to the inflection region 1022. The metal wire 11 may be used to transmit signals such as data signals, scan signals, power signals, etc. to the display area 101, but the present embodiment is described only by taking the structure of the metal wire 11 when transmitting data signals into the display area 101 as an example, but is not limited thereto.
It should be noted that, in the present application, the non-display area 102 further includes a binding area (not shown in the drawing), the binding area is located at a side of the bending area 1022 away from the display area 101, and the binding area is used for implementing binding connection between the metal wire 11 and the driving chip, and related technologies are all in the prior art and are not repeated herein.
The display panel 100 further includes a buffer layer 13, a conductive electrode 14, a planarization layer 15, a first barrier wall 16, a pixel defining layer 17, a second barrier wall 18, an OLED display layer 19, and an encapsulation layer 20.
The buffer layer 13 is disposed between the substrate 10 and the metal trace 11. Buffer layer 13 extends from display region 101 to inflection region 1022. The material of the buffer layer 13 may include one or more of silicon oxide, silicon nitride, and silicon oxynitride.
The conductive electrode 14 is arranged on the same layer as the metal wiring 11. The conductive electrode 14 and the metal trace 11 are prepared by the same process. The material of the conductive electrode 14 may include copper, aluminum, magnesium, titanium, molybdenum, or the like, or an alloy composed of at least two of the foregoing metals.
The planarization layer 15 is disposed on a side of the metal trace 11 away from the buffer layer 13. The planarization layer 15 covers the portion of the metal trace 11 located in the display area 101. The planarization layer 15 is located in the display area 101. The planarization layer 15 has a first opening 151 formed therein exposing the conductive electrode 14. The material of the planarization layer 15 may include an organic resin such as an epoxy resin, an acrylic resin, or the like.
The first retaining wall 16 and the planarization layer 15 are arranged in the same layer and are manufactured by the same process. The first retaining wall 16 is located in the border area 1021.
The pixel defining layer 17 is disposed on a side of the planarization layer 15 away from the metal trace 11. The pixel definition layer 17 is located in the display area 101. The pixel defining layer 17 has a second opening 171 formed therein. The second opening 171 communicates with the first opening 151. The material of the pixel defining layer 17 may include an organic resin such as an epoxy resin, an acrylic resin, or the like.
The second retaining wall 18 is disposed on the metal trace 11. The second wall 18 is located on a side of the first wall 16 away from the display area 101. The second retaining wall 18 has a height greater than the height of the first retaining wall 16. The second retaining wall 18 is located in the border area 1021. The second retaining wall 18 includes a first portion 181 and a second portion 182. The first portion 181 is disposed in the same layer as the first wall 16 and is formed by the same process. The second portion 182 is provided in the same layer as the pixel defining layer 17 and is prepared by the same process.
The OLED display layer 19 is disposed on a side of the pixel defining layer 17 remote from the planarization layer 15. The OLED display layer 19 is filled in the second opening 171 and the first opening 151, and is connected to the conductive electrode 14. The OLED display layer 19 may include an anode, a light emitting layer, and a cathode (not shown), which are all related art and are not described herein.
The encapsulation layer 20 is arranged on the side of the OLED display layer 19 remote from the pixel defining layer 17. The encapsulation layer 20 includes a first inorganic layer 201, an organic layer 202, and a second inorganic layer 203, which are sequentially disposed. The first inorganic layer 201 and the second inorganic layer 203 each extend from the display area 101 to the frame area 1021, and cover the second wall 18. The organic layer 202 extends from the display area 101 to the frame area 1021 and covers the first wall 16. Wherein the first inorganic layer 201 and the second inorganic layer 203 are the same material, and may include one or more of silicon oxide, silicon nitride, and silicon oxynitride. The material of the organic layer 202 may include an organic resin such as an epoxy resin or an acrylic resin, etc.
In the present embodiment, the water-absorbing layer 12 includes an organic material and a water-absorbing agent doped in the organic material. Specifically, the water-absorbent layer 12 may be formed using an inkjet printing process. Wherein the organic material may include an epoxy resin or an acrylic resin. The water absorbing agent may include one or more of calcium sulfide, calcium chloride, silica gel and activated alumina. Because the water absorbing agent has good absorption effect on water vapor, when the external water vapor invades, the water absorbing agent in the water absorbing layer 12 can be absorbed firstly, so that the invasion time of the water vapor to the metal wiring 11 is delayed, and the oxidation corrosion risk of the metal wiring 11 can be reduced.
Further, the display panel 100 further includes a bank 21. The bank 21 is located in the non-display area 102 and is disposed around the periphery of the water absorbing layer 12. The height of the dam 21 is greater than or equal to the height of the water-absorbing layer 12. The dam 21 is formed on the metal wiring 11 before the water absorption layer 12 is prepared, so that overflow of organic materials in the water absorption layer 12 in a film forming process can be avoided, and the film forming morphology of the water absorption layer 12 can be controlled.
In the prior art, the part of the display panel in the bending area needs to be folded to the back of the display panel, and the metal wiring of the bending area is easy to break due to the stress effect generated in the long-time bending process, so that signal disconnection is easy to cause.
In this embodiment, in the bending region 1022, the product of the elastic modulus and the thickness of the film layer on one side of the metal trace 11 is equal to the product of the elastic modulus and the thickness of the film layer on the other side of the metal trace 11. Specifically, the product of the elastic modulus and the thickness of the substrate 10 and the buffer layer 13 is equal to the product of the elastic modulus and the thickness of the water-blocking layer 22, so that when the bending region 1022 of the display panel 100 is bent, the metal trace 11 can be located on the stress neutral axis of the bending region 1022, and the stress generated by the film layer above the metal trace 11 and the stress generated by the film layer below the metal trace 11 cancel each other, so that the stress at the position where the metal trace 11 is located is zero, and the breaking risk of the metal trace 11 is reduced, thereby improving the stability of signal transmission and avoiding the occurrence of anomalies in the signal transmission process.
Therefore, the display panel provided by the first embodiment of the application sets up the water absorption layer 12 on the metal wiring 11 of the non-display area 102, and utilizes the advantage that the water absorption layer 12 has absorbed external steam, when external steam is close to the metal wiring 11, the external steam is absorbed by the water absorbent in the water absorption layer 12 earlier, and then the invasion time of external steam to the metal wiring 11 is delayed, the influence of external steam is effectively isolated, the oxidation corrosion risk of the metal wiring 11 can be greatly reduced, and the service life of the display panel 100 is prolonged.
Referring to fig. 2, a second embodiment of the present application provides a display panel 200. The display panel 200 provided in the second embodiment of the present application is different from the first embodiment in that: the display panel 200 further includes a water-resistant layer 22, and the water-resistant layer 22 is located on a side of the water-resistant layer 12 away from the metal traces 11.
In this embodiment, the water-blocking layer 22 is disposed on the side of the water-absorbing layer 12 far away from the metal wiring 11, and the water-blocking layer 22 has a good blocking effect on external water vapor, so that the probability of the external water vapor invading into the water-absorbing layer 12 can be reduced. Therefore, through the dual functions of the water absorption layer 12 and the water blocking layer 22, the probability of water vapor invading to the metal wiring 11 can be further reduced, so that the water vapor can be effectively blocked outside the metal wiring 11, corrosion of the metal wiring 11 can be avoided, and the signal transmission stability of the metal wiring 11 is improved.
The material of the water blocking layer 22 may include an inorganic material. Specifically, the inorganic material may be one or more of metal oxides such as alumina, titania, zirconia; alternatively, the inorganic material may be one or more of a non-metal oxide such as silicon oxide, silicon nitride, silicon oxynitride. When the material of the water-blocking layer 22 includes metal oxide, the metal oxide such as alumina, titania, zirconia and the like has good compactness, so that the water-blocking layer 22 can block the invasion of oxygen while blocking the outside water vapor, and the blocking performance of the water-blocking layer 22 is further improved.
It should be noted that the water blocking layer 22 may be disposed inside the dike 21, that is, the height of the dike 21 is greater than or equal to the height of the water blocking layer 22; alternatively, the water-blocking layer 22 may also cover the dike 21, i.e. the dike 21 may also have a height which is smaller than the height of the water-blocking layer 22. The present application will be described by taking the configuration in which the water blocking layer 22 is provided inside the dike 21 as an example, but is not limited thereto.
Referring to fig. 3 (a) -3 (d), a display panel 300 is provided according to a third embodiment of the present application. The display panel 300 provided in the third embodiment of the present application is different from the second embodiment in that: the surface of the water-absorbing layer 12 facing the water-blocking layer 22 is provided with a plurality of protrusions 121, a concave part 122 is formed between the adjacent protrusions 121, and the water-blocking layer 22 is filled in the concave part 122 and covers the surface of the protrusions 121.
The present embodiment increases the contact area between the water absorbent layer 12 and the water blocking layer 22 by providing a plurality of protrusions 121 on the side of the water absorbent layer 12 facing the water blocking layer 22. On the one hand, the increase of the contact area can improve the connection stability between the water absorption layer 12 and the water resistance layer 22, and avoid the influence of membrane layer dislocation of the metal wiring 11 in the bending process on the blocking effect; on the other hand, when part of the water vapor passes through the water blocking layer 22 and enters the water absorbing layer 12, the water absorbing effect of the water absorbing layer 12 can be improved by increasing the surface area of the water absorbing layer 12, and the probability of the outside water vapor invading the metal wiring 11 can be further reduced, so that the corrosion risk of the metal wiring 11 can be further reduced.
In this embodiment, the bump 121 is prepared by an inkjet printing process as well as a photolithography process. Specifically, the vertical cross-sectional shape of the protrusion 121 may include one or more of a semi-oval shape, a semi-circular shape, a regular trapezoid shape, an inverted trapezoid shape, a triangle shape, a square shape, and a rectangle shape. As shown in fig. 3 (a) -3 (d), the present embodiment provides structures in which the vertical cross-sectional shape of the protrusion 121 is a half ellipse, a semicircle, a regular trapezoid, and an inverted trapezoid, respectively, but is not to be construed as limiting the present application.
Referring to fig. 4 (a) -4 (b), a display panel 400 is provided according to a fourth embodiment of the present application. The display panel 400 provided in the fourth embodiment of the present application is different from the second embodiment in that: the side of the water-absorbing layer 12 facing the water-blocking layer 22 is provided with a plurality of grooves 123, and the water-blocking layer 22 is filled in the grooves 123 and covers the surface of the water-absorbing layer 12.
In this embodiment, the plurality of grooves 123 are formed on the side of the water-absorbing layer 12 facing the water-blocking layer 22, so that the contact area between the water-absorbing layer 12 and the water-blocking layer 22 is increased. On the one hand, the increase of the contact area can improve the connection stability between the water absorption layer 12 and the water resistance layer 22, and avoid the influence of membrane layer dislocation of the metal wiring 11 in the bending process on the blocking effect; on the other hand, when part of the water vapor passes through the water blocking layer 22 and enters the water absorbing layer 12, the water absorbing effect of the water absorbing layer 12 can be improved by increasing the surface area of the water absorbing layer 12, and the probability of the outside water vapor invading the metal wiring 11 can be further reduced, so that the corrosion risk of the metal wiring 11 can be further reduced.
Specifically, the vertical cross-sectional shape of the groove 123 may include one or more of a semi-oval shape, a semi-circular shape, a regular trapezoid shape, an inverted trapezoid shape, a triangle shape, a square shape, and a rectangle shape. Specifically, as shown in fig. 4 (a) -4 (b), the present embodiment provides a structure in which the vertical sectional shape of the groove 123 is square and regular trapezoid, respectively, but is not to be construed as limiting the present application.
When the vertical cross-sectional shape of the groove 123 is a regular trapezoid, as shown in fig. 4 (b), the contact area between the water-absorbent layer 12 and the water-blocking layer 22 is larger, so that the water-absorbent layer 12 and the water-blocking layer 22 have better connection stability.
Referring to fig. 5, a fifth embodiment of the present application provides a display panel 500. The display panel 500 provided in the fifth embodiment of the present application is different from the second embodiment in that: the display panel 500 further includes a stress release layer 23, where the stress release layer 23 is disposed at the bending region 1022 and located at a side of the water-blocking layer 22 away from the water-absorbing layer 12.
Specifically, the material of the stress release layer 23 may include an organic material. The organic material may be epoxy resin, acrylic resin, or the like.
In the present embodiment, the height of the bank 21 is greater than or equal to the height of the stress release layer 23. The dam 21 is formed on the metal trace 11 before the stress release layer 23 is prepared, so that overflow of organic materials in the stress release layer 23 during film formation can be avoided, and the film formation morphology of the stress release layer 23 can be improved.
In this embodiment, the stress release layer 23 is disposed on the side of the water-blocking layer 22 away from the water-absorbing layer 12, and the stress of the film layer can be relieved by the stress release layer 23, so that the stress of the metal wire 11 in the bending process of the metal wire 11 can be relieved, and the fracture risk of the metal wire 11 caused by the bending state for a long time can be further reduced, so as to further improve the stability of signal transmission.
The application also provides electronic equipment, which can be any product or component with a display function, such as electronic paper, a mobile phone, a tablet personal computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like. The electronic device includes a housing and a display panel disposed in the housing, where the display panel is a display panel according to any one of the foregoing embodiments, and a specific structure of the display panel may refer to the description of the foregoing embodiments and is not described herein again.
The foregoing has described in detail a display panel and an electronic device provided by embodiments of the present application, and specific examples have been applied herein to illustrate the principles and embodiments of the present application, where the foregoing examples are provided to assist in understanding the methods and core ideas of the present application; meanwhile, those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present application, and the present description should not be construed as limiting the present application in view of the above.
Claims (9)
1. A display panel having a display area and a non-display area disposed on one side of the display area, the non-display area including a bezel area and a inflection area, the inflection area being located on a side of the bezel area remote from the display area, the display panel comprising:
a substrate;
the metal wire is arranged on one side of the substrate, is positioned in the non-display area and extends from the display area to the bending area; and
the water absorption layer is arranged on one side of the metal wire away from the substrate, and the water absorption layer is positioned in the bending area;
the packaging layer is arranged on the substrate and extends from the display area to the frame area;
the waterproof layer is covered on the surface, far away from the metal wiring, of the water absorption layer, is located in the bending area and is arranged at intervals with the packaging layer, and the waterproof layer is made of one or more of aluminum oxide, titanium oxide and zirconium oxide.
2. The display panel according to claim 1, wherein a surface of the water-absorbing layer facing the water-blocking layer has a plurality of protrusions, recesses are formed between adjacent protrusions, and the water-blocking layer is filled in the recesses and covers the surfaces of the protrusions.
3. The display panel of claim 2, wherein the raised vertical cross-sectional shape comprises one or more of a semi-oval shape, a semi-circular shape, a positive trapezoid, and an inverted trapezoid.
4. The display panel according to claim 1, wherein a plurality of grooves are formed in a side of the water-absorbing layer facing the water-blocking layer, and the water-blocking layer is filled in the grooves and covers a surface of the water-absorbing layer.
5. The display panel according to any one of claims 1 to 4, wherein the water absorbing layer includes an organic material and a water absorbing agent doped in the organic material.
6. The display panel according to claim 5, further comprising a bank located in the non-display region and surrounding a peripheral side of the water absorbing layer, a height of the bank being greater than or equal to a height of the water absorbing layer.
7. The display panel of claim 1, further comprising a stress relief layer disposed in the inflection region and on a side of the water barrier layer away from the water absorbent layer.
8. The display panel of claim 1, wherein a product of an elastic modulus and a thickness of the film layer on one side of the metal trace is equal to a product of an elastic modulus and a thickness of the film layer on the other side of the metal trace.
9. An electronic device comprising a housing and a display panel provided in the housing, the display panel being the display panel according to any one of claims 1 to 8.
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| CN202111443222.7A CN114141848B (en) | 2021-11-30 | 2021-11-30 | Display panel and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107863454A (en) * | 2017-11-21 | 2018-03-30 | 武汉华星光电半导体显示技术有限公司 | Flexible OLED display panel and its method for packing |
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| CN107706220B (en) * | 2017-09-28 | 2020-04-21 | 上海天马微电子有限公司 | Flexible display panel, manufacturing method thereof and display device |
| CN108598135A (en) * | 2018-06-06 | 2018-09-28 | 武汉华星光电半导体显示技术有限公司 | OLED display panel and preparation method thereof |
| CN110752230B (en) * | 2018-07-24 | 2023-04-07 | 京东方科技集团股份有限公司 | Flexible substrate, manufacturing method thereof and display device |
| CN109473460B (en) * | 2018-10-18 | 2020-09-01 | 武汉华星光电半导体显示技术有限公司 | Display panel, packaging method thereof and electronic equipment |
| CN111048686A (en) * | 2019-11-19 | 2020-04-21 | Tcl华星光电技术有限公司 | Display device and packaging method adopting same |
| CN212277229U (en) * | 2020-07-31 | 2021-01-01 | 京东方科技集团股份有限公司 | Display device and display panel |
| CN113517325A (en) * | 2021-05-25 | 2021-10-19 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN113690382A (en) * | 2021-08-05 | 2021-11-23 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107863454A (en) * | 2017-11-21 | 2018-03-30 | 武汉华星光电半导体显示技术有限公司 | Flexible OLED display panel and its method for packing |
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