CN109119549B - Display panel, display device and preparation method thereof - Google Patents
Display panel, display device and preparation method thereof Download PDFInfo
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- CN109119549B CN109119549B CN201810987772.7A CN201810987772A CN109119549B CN 109119549 B CN109119549 B CN 109119549B CN 201810987772 A CN201810987772 A CN 201810987772A CN 109119549 B CN109119549 B CN 109119549B
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
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- 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
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Abstract
The invention provides a display panel, a display device and a preparation method thereof. The display panel includes: a substrate; a light emitting layer disposed on the substrate; buffer structure, wherein, buffer structure includes the airflow channel who constitutes by the buffer layer, holds gaseous among the airflow channel, and buffer structure sets up on the one side that the luminescent layer was kept away from to the base plate, and the gas in the airflow channel is compressed when display panel receives the impact for the impact force is dispersed around gaseous, thereby has dispersed the impact force that display panel received, and the protection display panel does not receive the impact force and destroys.
Description
Technical Field
The invention relates to the field of electronic display screens, in particular to a display panel, a display device and a preparation method of the display panel and the display device.
Background
In recent years, various display devices, such as mobile phones and tablet computers, have been increasingly popular in life and work of people. However, the display panel used for displaying information in the display device is prone to failure or even cracks after being impacted, and the reliability of the display device is not high.
Therefore, a display panel capable of resisting impact is required.
Disclosure of Invention
In view of this, embodiments of the present invention provide a display panel, a display device and a manufacturing method thereof, which can protect the display panel from being damaged by an impact force when the display panel is impacted.
One aspect of the present invention provides a display panel including: a substrate; a light emitting layer disposed on the substrate; the buffer structure is arranged on one side, away from the light-emitting layer, of the substrate and comprises a buffer layer, and a plurality of intercommunicated airflow channels are dispersed in the buffer layer.
In one embodiment of the invention, the surface of the buffer layer facing the substrate is provided with a plurality of fixing areas arranged at intervals, and the fixing areas are fixedly connected with the opposite surface of the substrate.
In one embodiment of the present invention, the fixing area is provided with a fixing unit, and the fixing unit is an adhesive block, preferably, the adhesive block is dispensing.
In one embodiment of the invention, the pitch of the fixed cells is 10 microns.
In one embodiment of the present invention, the light emitting layer includes a plurality of sub-pixels separated by a pixel defining layer, the fixed area is disposed corresponding to the sub-pixels, and preferably, the air flow channels are disposed in one-to-one correspondence with the sub-pixels.
In one embodiment of the present invention, the buffer layer is disposed in direct contact with the substrate, and the fixing unit is embedded in the substrate at a side thereof close to the substrate.
In one embodiment of the invention, the side of the buffer layer far away from the substrate is directly contacted with the elastic material, and the side of the fixing unit near the elastic material is embedded in the elastic material.
In one embodiment of the invention, the resilient material comprises foam.
In one embodiment of the invention, the gas flow channel is filled with an inert gas, preferably nitrogen.
Another aspect of the present invention provides a display device including: the display panel is provided.
According to the technical scheme provided by the embodiment of the invention, the buffer structure with the airflow channel is arranged, so that the gas in the airflow channel is compressed when the display panel is impacted, and further the impact force is dispersed around the gas, so that the impact force on the display panel is dispersed, and the display panel is protected from being damaged by the impact force.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic configuration diagram illustrating a display panel according to an exemplary embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structural view illustrating a buffer structure according to an exemplary embodiment of the present invention.
Fig. 3 is a schematic cross-sectional structural view illustrating a display panel according to an exemplary embodiment of the present invention.
Fig. 4 is a schematic cross-sectional structural view illustrating a display panel according to an exemplary embodiment of the present invention.
Fig. 5 is a schematic top view illustrating a display device according to an exemplary embodiment of the present invention.
Fig. 6 is a schematic flowchart illustrating a method of manufacturing a display panel according to an exemplary 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.
One aspect of the present invention provides a display panel including: a substrate; a light emitting layer disposed on the substrate; the buffer structure is arranged on one side, away from the light-emitting layer, of the substrate and comprises a buffer layer, and a plurality of intercommunicated airflow channels are dispersed in the buffer layer.
Fig. 1 is a schematic structural view illustrating a display panel 100 according to an exemplary embodiment of the present invention. As shown, the display panel 100 includes: a substrate 110, a light emitting layer 120 disposed on the substrate, and a buffer structure 130.
In the embodiment of the present invention, the display panel 100 is used for displaying information. For example, the display panel 100 includes a light emitting layer 120 for emitting light, and a control circuit, a thin film encapsulation layer, and other electronic elements (not shown). In the embodiment of the present invention, the light emitting layer 120 is disposed on the upper surface of one substrate 110 of the display panel 100 to form a pixel matrix to display various pattern information. In the embodiment of the present invention, the light emitting layer 120 may be formed by an organic light emitting diode or an inorganic light emitting diode, which is not limited in the embodiment of the present invention.
The buffer structure 130 includes a buffer layer having a plurality of interconnected gas flow channels (not shown) dispersed therein.
In the embodiment of the invention, the gas flow channel contains gas, the buffer structure 130 is disposed on a side of the substrate 110 away from the light emitting layer 120, and the gas in the gas flow channel is compressed when the display panel is impacted, so that the buffer structure buffers the impact force of the impact.
In an embodiment of the invention, the air flow channel is a plurality of interconnected air cells, which are wrapped in a cushioning structure. The gas in the gas flow passage is enclosed inside the buffer structure, and the gas can move freely in the plurality of air cells. It should be understood that the arrangement, size and shape of the air bag can be adjusted according to the production requirement, and the embodiment of the invention is not limited thereto.
In another embodiment of the invention, the gas flow channel is a plurality of grooves arranged side by side in a straight line, adjacent grooves are communicated through the small holes, the gas flow channel is clamped between the buffer layer and the substrate, and gas can enter or flow out of the space between the buffer layer and the substrate through the gas flow channel. In another embodiment of the invention, the gas flow channel is a plurality of grooves arranged in a concentric circle shape, adjacent grooves are communicated by small holes, and the gas flow channel is sealed between the buffer layer and the substrate. The gas in the gas flow channels can flow in the respective channels through the small holes, but since the gas flow channels are sealed between the buffer layer and the substrate, the gas in the gas flow channels cannot flow out between the buffer layer and the substrate. It should be understood that the specific arrangement, shape, and number and location of the orifices of the gas flow channels may be adjusted according to production requirements, and are not limited by the embodiments of the present invention.
In another embodiment of the invention, the buffer layer is attached to the substrate, and the part of the attachment surface is coated with the colloid, and the part which is not coated with the colloid forms the airflow channel. For example, in the embodiment of the invention, the substrate is coated with the colloid at a plurality of points, and after the buffer layer is attached to the substrate through the colloid, because the parts which are not coated with the colloid are not tightly combined, the gas can flow between the parts which are not coated with the colloid, and the gas flow channel is formed. It should be understood that the location and area of the gum coating can be adjusted according to production requirements, and the embodiment of the present invention is not limited thereto. In addition, the buffer layer and the substrate may be bonded by welding or heating and melting a portion of the buffer layer, which is not limited in the embodiment of the present invention.
According to the technical scheme provided by the embodiment of the invention, by arranging the buffer structure 130, when the display panel 100 is impacted, the gas in the buffer structure 130 is compressed, so that the impact force is dispersed around the gas, the impact force on the display panel 100 is dispersed, and the display panel is protected from being damaged by the impact force.
According to the above embodiment of the present invention, the gas flow channel is filled with an inert gas, preferably nitrogen gas.
In the embodiment of the present invention, the inert gas is a gas that does not easily react with the substrate or the buffer layer, such as nitrogen, argon, or carbon dioxide. By filling the inert gas, the gas is not easy to chemically react with the substrate or the buffer layer when the display panel is impacted or the temperature is changed, and the service life of the display panel is prolonged.
The nitrogen is a common cheap industrial gas with stable properties, and is used for filling, so that the service life of the display panel is prolonged, and the process difficulty and the process cost are reduced.
In one embodiment of the invention, the surface of the buffer layer facing the substrate is provided with a plurality of fixing areas arranged at intervals, and the fixing areas are fixedly connected with the opposite surface of the substrate.
In the embodiment of the invention, the fixing region is a region for generating fixed connection between the buffer layer and the substrate. For example, in the embodiment of the present invention, a partial region of a surface of the buffer layer, which is disposed facing the substrate, is coated with a colloid, the colloid-coated region is a fixed region, the buffer layer is fixedly connected to the substrate through the colloid, and the region that is not coated with the colloid forms the airflow channel. In another embodiment of the invention, solder is arranged on part of the surface of the substrate, and after the buffer layer is attached to the substrate, the substrate and the buffer layer are fixedly connected by heating the solder. The area provided with the solder is the fixed area, and the area not provided with the solder forms an airflow channel. In another embodiment of the invention, the buffer layer is made of plastic, a part of the surface of the buffer layer, which is arranged to face the substrate, is heated, so that the plastic softens and becomes sticky, the buffer layer is fixedly connected with the substrate through the softened and sticky plastic, and the part which does not soften and become sticky correspondingly generates the air flow channel.
Through the fixed regions arranged at intervals, the buffer layer is fixedly connected with the substrate, and meanwhile, the non-fixed region part correspondingly generates an airflow channel, so that the process flow is simplified, and the production efficiency is improved.
In one embodiment of the present invention, the fixing area is provided with a fixing unit, and the fixing unit is an adhesive block, preferably, the adhesive block is dispensing.
Fig. 2 is a schematic cross-sectional structural view illustrating a display panel 200 according to an exemplary embodiment of the present invention. As shown, the display panel 200 includes: substrate 210, gas flow channel 231, adhesive block 220, and buffer layer 230.
The adhesive block 220 is a substance having good adhesive property. The objects are connected by surface adhesion by adhesion and cohesion. It should be understood that the specific composition of the adhesive block 220 is not limited in the embodiments of the present invention.
In the embodiment of the present invention, the adhesive block 220 is coated only on the edges of the substrate 210 and the buffer layer 230, so that the adhesive 220 forms an air flow channel 231. In another embodiment of the present invention, the adhesive block 220 is coated on the edge and the center of the substrate 210 and the buffer layer 230, such that the center of the air flow channel 231 further comprises a columnar adhesive block 220. In another embodiment of the present invention, the adhesive blocks 220 are coated on the edges and the middle of the substrate 210 and the buffer layer 230 such that the adhesive blocks 220 enclose the air flow channel 231 between the substrate 210 and the buffer layer 230. The specific position of the adhesive block 220 is not limited in the embodiment of the present invention, as long as the adhesive block 220 can enclose the air flow channel 231 between the substrate 210 and the buffer layer 230.
The adhesive blocks are common raw materials in production, have the advantages of low price and simple use process, and are used for connecting the substrate and the buffer layer, so that the complexity and the cost of the preparation process of the display panel are reduced, and the yield and the production efficiency of products are improved.
According to the above embodiment, the adhesive block is dispensed.
Dispensing is a common process, also called glue applying, glue spreading, glue pouring, glue dripping, etc., and is to apply, encapsulate, drip electronic glue, oil or other liquid onto a product, so that the product has the functions of pasting, encapsulating, insulating, fixing, surface smoothing, etc.
The dispensing process can be implemented by matching with a dispenser, so that the automation degree and precision of the process are improved, and the production efficiency and the product yield are improved.
According to the above embodiment, the position where the adhesive block is coated comprises the edge of the substrate and the buffer layer.
By coating the colloid on the edges of the substrate and the buffer layer, the contact area of the airflow channel and the substrate is maximized, and the display panel can be protected to the maximum extent when the display panel is impacted.
In one embodiment of the invention, the pitch of the fixed cells is 10 microns.
When the spacing between the fixing units is 10 micrometers, the buffer layer and the substrate can be fixed, and meanwhile, an airflow channel with a large area is generated, so that the buffer capacity of the buffer structure is improved.
In one embodiment of the present invention, the light emitting layer includes a plurality of sub-pixels separated by a pixel defining layer, the fixed region is disposed in correspondence with the sub-pixels, and preferably, the air flow channels are disposed in one-to-one correspondence with the sub-pixels.
Fig. 3 is a schematic cross-sectional structural view illustrating a display panel 300 according to an exemplary embodiment of the present invention. As shown, fig. 3 includes:
a substrate 310, a fixed region 320, a buffer layer 330, and a sub-pixel 340.
The sub-pixels 340 are located in the light emitting layer, and a plurality of individual sub-pixels 340 are grouped into an array to display image information. Each subpixel 340 is separated from the other subpixels by a space, where circuitry or encapsulant is typically disposed. In the embodiment of the invention, the sub-pixels 340 are located on the upper surface of the substrate 310, the fixing regions 320 are located on the lower surface of the substrate 310, the fixing regions 320 connect the substrate 310 and the buffer layer 330, and the fixing regions 320 surround a plurality of airflow channels 331 between the lower surface of the substrate 310 and the buffer layer 330. The fixed regions 320 correspond to the intervals around the sub-pixels 340, so that the air flow passages 331 are arranged in one-to-one correspondence with the sub-pixels 340, i.e., the projected areas and positions of the air flow passages 331 on the substrate 310 correspond to the projected areas and positions of the sub-pixels 340 on the substrate 310. In another embodiment of the present invention, the sub-pixels 340 are shaped as cubes, and the plurality of sub-pixels 340 are arranged in an array. The fixed regions 320 are positioned corresponding to the lateral gaps of the array, and define a plurality of parallel stripe-shaped airflow channels 331 between the substrate 310 and the buffer layer 330. Each strip-shaped airflow channel corresponds to a row of sub-pixels 340.
By making the airflow channels 331 correspond to the plurality of sub-pixels one to one, or by forming colloid between adjacent sub-pixels in the plurality of sub-pixels, the adhesion strength between the substrate 310 and the buffer layer 330 is increased, and meanwhile, the airflow channels with higher buffer performance are arranged below the sub-pixels 340, so that the bonding strength between the layers of the display panel 300 is improved, and at the same time, the sub-pixels 340 are protected by the buffer of the airflow channels.
In one embodiment of the invention, the cushioning layer comprises an elastomeric material.
In one embodiment of the present invention, the buffer layer is disposed in direct contact with the substrate, and the fixing unit is embedded in the substrate at a side thereof close to the substrate.
Through with fixed unit embedding base plate for the fixed unit is inseparabler with being connected of base plate, when receiving the impact, and fixed unit and base plate are difficult for breaking away from, have promoted the quality of product.
In one embodiment of the invention, the side of the buffer layer far away from the substrate is directly contacted with the elastic material, and the side of the fixing unit near the elastic material is embedded in the elastic material.
An elastic material is a material that recovers rapidly and strongly from large deformations, comprising: rubber, plastic foam, and foam.
Keep away from base plate one side direct contact through the buffer layer and set up elastic material to, among the fixed unit embedding elastic material, make when display panel receives the impact, when the gas in the airflow channel is compressed, the buffer layer can further assist the impact force that dispersion display panel received. The buffering performance of the buffering structure is further improved.
In one embodiment of the invention, the resilient material comprises foam.
The foam is a material foamed by plastic particles, and is called foam for short. The foam is divided into antistatic foam polyurethane, polyurethane foam, ethylene propylene diene monomer rubber, conductive foam and the like. The embodiment of the invention does not limit the specific type of the foam.
The foam has the characteristics of elasticity, light weight, quick pressure-sensitive fixation, convenient use, free bending, ultrathin volume, reliable performance and the like, and the foam is arranged on one side of the buffer layer away from the substrate, so that the weight and the volume of the display panel are reduced, and the product quality and the use experience of a user are improved.
Fig. 4 is a schematic cross-sectional structural view illustrating a display panel 400 according to an exemplary embodiment of the present invention. As shown, fig. 4 includes:
a substrate 410, a glue 420, a buffer layer 430, a sub-pixel 440, a cover plate 450, and a filler 460.
In the embodiment of the invention, the upper surface of the substrate 410 is used for carrying a plurality of sub-pixels 440 in the display panel 400 and a circuit (not shown) connected to the sub-pixels 440. In the embodiment of the present invention, the sub-pixels 440 are cube-shaped, the plurality of sub-pixels 440 form an array on the upper surface of the substrate 410, a space exists between each sub-pixel 440 and other sub-pixels, and the space is filled with the filler 460, the filler 460 includes an optical adhesive, and the optical adhesive is an extra adhesive used for gluing transparent optical elements (such as lenses) and has the characteristics of being colorless and transparent, having a light transmittance of more than 90%, and being small in curing shrinkage. The organic silicon gel, the acrylic resin, the unsaturated polyester, the polyurethane, the epoxy resin and other adhesives can be used as the optical adhesive, which is not limited in the embodiment of the present invention, and the sub-pixel 440 and the filler 460 form a light emitting layer. The cover plate 450 is made of a transparent material with a certain hardness, such as glass, plastic, or sapphire, which is not limited in the embodiment of the present invention, and the cover plate 450 may be used to encapsulate the display panel 400, or may be used to support other components of the display panel, such as a touch sensing component, which is not limited in the embodiment of the present invention.
The lower surface of the substrate 410 is provided with a glue 420 for connecting the substrate 410 and the buffer layer 430. The gel 420 forms a plurality of air flow channels 431 between the substrate 410 and the buffer layer 430, forming a buffer structure. In the embodiment of the present invention, each airflow channel 431 corresponds to one sub-pixel 440, and the projection of the airflow channel on the substrate 410 is the same as the projection of the sub-pixel 440 on the substrate 410. In the embodiment of the present invention, the position of the gum 420 corresponds to the position of the filler 460. In the embodiment of the invention, the buffer layer is made of foam.
According to the technical scheme provided by the embodiment of the invention, by arranging the buffer structure, when the display panel 400 is impacted, the gas in the buffer structure is compressed, so that the impact force on the display panel 400 is dispersed, and the display panel is protected from being damaged by the impact force.
Another aspect of the present invention provides a display device including: the display panel is provided.
Fig. 5 is a schematic top view illustrating a display device 500 according to an exemplary embodiment of the present invention. As shown, fig. 5 includes:
The impact test results of the display panel according to the embodiment of the present invention are analyzed with reference to fig. 5.
In the embodiment of the present invention, the display panel 520 having the above-mentioned buffering structure is mounted on the body 510 of the display device 500, and the upper left, upper right and center positions on the display panel 520 are selected as test points No. 7, No. 9 and No. 1, respectively. And (5) dropping an iron ball with unchanged weight from a high place to impact the test point, and carrying out impact resistance test. Table 1 records the results of the impact test of the display device using the display panel 520 and the conventional display device.
TABLE 1
As can be seen from the average falling height values in table 1, according to the technical solution provided by the embodiment of the present invention, when the display device 500 is impacted, the gas in the buffer structure is compressed, so that the impact force applied to the display device 500 is dispersed, and the display panel is protected from being damaged by the impact force.
Another aspect of the present invention provides a method for manufacturing a display panel, including: set up the colloid, wherein, the colloid setting is provided with the luminescent layer on base plate or buffer layer, and the luminescent layer includes a plurality of sub-pixels, and the position that sets up of colloid includes: the substrate is far away from the surface of the light emitting layer, and the position of the colloid corresponds to the interval position in the plurality of sub-pixels; the buffer layer is bonded on a side of the substrate away from the light emitting layer, and the buffer layer forms gas flow channels for accommodating gas on the substrate so as to constitute a buffer structure, and the gas in the gas flow channels is compressed when the display panel is impacted so as to buffer the impact force of the impact.
Fig. 6 is a schematic flowchart illustrating a method of manufacturing a display panel according to an exemplary embodiment of the present invention. As shown, fig. 6 includes:
610: and arranging colloid on the substrate or the buffer layer.
In an embodiment of the present invention, the light emitting layer is disposed on the upper surface of the substrate, the light emitting layer includes a plurality of sub-pixels, each of the plurality of sub-pixels is independently disposed on the upper surface of the substrate, the sub-pixels are separated by a gap, and the plurality of sub-pixels are arranged in an array to display various pattern information.
In an embodiment of the present invention, the glue is coated on the lower surface of the substrate, and in another embodiment of the present invention, the glue is coated on the buffer layer, which is not limited in this embodiment of the present invention. In an embodiment of the present invention, the coating positions of the gum include: the gaps among the sub-pixels are at the corresponding positions on the lower surface of the substrate. In another embodiment of the present invention, the location of the gum coating further comprises an edge location of the lower surface of the substrate. It should be understood that the specific components of the gum are not limited by the examples of the present invention.
620: the buffer layer is adhered on the side of the substrate far away from the light-emitting layer of the substrate by using colloid, and the buffer layer forms a gas flow channel for containing gas on the substrate to form a buffer structure, and the gas in the gas flow channel is compressed when the display panel is impacted, so that the impact force of the impact is buffered by the buffer structure.
In the embodiment of the invention, the buffer layer is attached to the lower surface of the substrate coated with the colloid, so that the buffer layer is bonded with the substrate by the colloid, and the airflow channel is formed at the position between the buffer layer and the substrate, which is not coated with the colloid. The gas flow channel contains gas, so that when the display panel is impacted, the gas in the gas flow channel is compressed, and the impact force on the display panel is buffered. In the embodiment of the invention, the bonding process of the buffer layer and the substrate is performed in a nitrogen environment, so that the gas component contained in the gas flow channel is nitrogen. It should be understood that the embodiments of the present invention are not limited to the specific type and composition of the buffer layer.
In another embodiment of the present invention, the buffer layer is coated with a colloid, and the colloid is distributed at the same position as the gaps between the sub-pixels, and when the buffer layer is adhered to the lower surface of the substrate, the colloid is aligned with the gaps between the sub-pixels at the corresponding positions of the lower surface of the substrate, thereby forming the buffer structure.
According to the technical scheme provided by the embodiment of the invention, through the arrangement of the buffer structure, when the display panel is impacted, the gas in the buffer structure is compressed, so that the impact force on the display panel is dispersed, and the display panel is protected from being damaged by the impact force.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (13)
1. A display panel, comprising:
a substrate;
a light emitting layer disposed on the substrate;
the buffer structure is arranged on one side, away from the light-emitting layer, of the substrate and comprises a buffer layer, a plurality of air flow channels which are communicated with each other are dispersed between the buffer layer and the substrate, and the air flow channels are a plurality of air bags which are connected with each other.
2. The display panel according to claim 1, wherein the surface of the buffer layer facing the substrate has a plurality of fixing regions spaced apart from each other, and the fixing regions are fixedly connected to the opposite surface of the substrate.
3. The display panel according to claim 2, wherein the fixing area is provided with a fixing unit, and the fixing unit is an adhesive block.
4. The display panel of claim 3, wherein the adhesive block is dispensed.
5. The display panel according to claim 3 or 4, wherein the pitch of the fixing unit is 10 μm.
6. The display panel according to claim 3 or 4, wherein the light emitting layer comprises a plurality of sub-pixels separated by a pixel defining layer, and the fixed region is disposed corresponding to the sub-pixels.
7. The display panel according to claim 6, wherein the air flow channels are arranged in one-to-one correspondence with the sub-pixels.
8. The display panel according to claim 3 or 4, wherein the buffer layer is provided in direct contact with the substrate, and the fixing unit is embedded in the substrate at a side close to the substrate.
9. The display panel according to claim 3 or 4, wherein an elastic material is directly disposed in contact with a side of the buffer layer away from the substrate, and the fixing unit is embedded in the elastic material at a side close to the elastic material.
10. The display panel of claim 9, wherein the resilient material comprises foam.
11. The display panel of claim 1, wherein the gas flow channel is filled with an inert gas.
12. The display panel according to claim 11, wherein the inert gas is nitrogen.
13. A display device characterized by comprising the display panel according to any one of claims 1 to 12.
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| CN110190032B (en) * | 2019-05-16 | 2020-07-03 | 昆山国显光电有限公司 | Display panel and display device |
| CN114283679B (en) * | 2020-09-28 | 2024-04-16 | 北京小米移动软件有限公司 | Flexible display panel and electronic device |
| CN112786623B (en) * | 2021-01-12 | 2022-05-31 | 武汉华星光电半导体显示技术有限公司 | Display device and manufacturing method thereof |
| CN112863348B (en) * | 2021-01-15 | 2022-08-19 | 京东方科技集团股份有限公司 | Display panel and display device with same |
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Application publication date: 20190101 Assignee: Bazhou Yungu Electronic Technology Co., Ltd.|Kunshan Institute of technology new flat panel display technology center Co., Ltd.|Kunshan Guoxian photoelectric Co., Ltd Assignor: The valley (Guan) Technology Co. Ltd. Contract record no.: X2019990000155 Denomination of invention: Display panel, display device and preparation method thereof License type: Common License Record date: 20191030 |
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