CN114241908B - Film structure and display device - Google Patents
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- CN114241908B CN114241908B CN202111530334.6A CN202111530334A CN114241908B CN 114241908 B CN114241908 B CN 114241908B CN 202111530334 A CN202111530334 A CN 202111530334A CN 114241908 B CN114241908 B CN 114241908B
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- 239000011664 nicotinic acid Substances 0.000 claims abstract description 46
- 239000000758 substrate Substances 0.000 claims abstract description 31
- 239000012785 packaging film Substances 0.000 claims abstract description 21
- 229920006280 packaging film Polymers 0.000 claims abstract description 21
- 239000012528 membrane Substances 0.000 claims description 37
- 230000004308 accommodation Effects 0.000 claims description 3
- 230000003592 biomimetic effect Effects 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 87
- 238000010586 diagram Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000001153 anti-wrinkle effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 238000010147 laser engraving Methods 0.000 description 4
- 239000002861 polymer material Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
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- 230000005525 hole transport Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
Abstract
The application provides a film structure and a display device, wherein the film structure comprises a substrate, a packaging film layer and a bionic film layer, and the surface of the substrate is covered with the film structure; the bionic film layer is arranged between the substrate and the packaging film layer, the bionic film layer comprises a hard structure and a soft structure, a plurality of accommodating spaces are surrounded by the hard structure, and the soft structure is filled in the accommodating spaces. According to the bionic film layer with excellent fatigue resistance, which is connected with the substrate and the packaging film layer in a soft and hard mode, can effectively improve fatigue failure of the display device and improve quality of the display device.
Description
Technical Field
The application belongs to the technical field of display, and particularly relates to a film structure and a display device.
Background
Along with development of display technology, the flexible display device has the advantage of being bendable and foldable, but after the flexible display device is bent or folded for a plurality of times, fatigue failure is caused, so that water and oxygen enter the inside to cause the failure of the flexible display device, and the quality of the flexible display device is affected.
Disclosure of Invention
The embodiment of the application provides a membrane layer structure and a display device, which can effectively improve fatigue failure of the display device and improve quality of the display device.
The embodiment of the application provides a membranous layer structure, membranous layer structure includes:
the substrate is provided with a plurality of grooves,
the packaging film layer is covered on the surface of the substrate;
the bionic film layer is arranged between the substrate and the packaging film layer, and comprises a hard structure and a soft structure, wherein the hard structure is enclosed into a plurality of accommodating spaces, and the soft structure is filled in the accommodating spaces.
Optionally, the hard structure comprises a grid structure, the grid structure comprises a plurality of grid cells, each grid cell forms a containing space, and the soft structure is filled in each containing space.
Optionally, the grid structure includes a first grid structure and a second grid structure, and a density of grid cells of the first grid structure is greater than a density of grid cells of the second grid structure.
Optionally, the shape of the grid cell includes one or more of a square structure, a rectangular structure, a circular structure, and an oval structure.
Optionally, the hard structure comprises a strip structure, the strip structure comprises a plurality of strip units, an accommodating space is formed between every two strip units, and the soft structure is filled in each accommodating space.
Optionally, the strip structure includes a first strip structure and a second strip structure, and the density of the strip units of the first strip structure is greater than the density of the strip units of the second strip structure.
Optionally, the hard structure includes a main structure forming the accommodating space and an edge structure disposed around the main structure, and the thickness of the edge structure is the same as the thickness of the main structure.
Optionally, the hardness of the hard structure is greater than the hardness of the soft structure.
Optionally, the membrane layer structure further includes an intermediate membrane layer, the bionic membrane layer includes a first bionic membrane layer and a second bionic membrane layer, and the packaging membrane layer, the first bionic membrane layer, the intermediate membrane layer, the second bionic membrane layer and the substrate are sequentially stacked.
The embodiment of the application also provides a display device which comprises the film layer structure.
The film structure provided by the embodiment of the application comprises a substrate, a packaging film and a bionic film, wherein the packaging film is covered on the surface of the substrate; the bionic film layer is arranged between the substrate and the film layer, the bionic film layer comprises a hard structure and a soft structure, the hard structure is enclosed into a plurality of accommodating spaces, and the soft structure is filled in the accommodating spaces. The bionic film layer with excellent fatigue resistance is arranged between the substrate and the packaging film layer in a soft and hard phase, so that fatigue failure of the display device can be effectively improved, and the quality of the display device is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort to a person skilled in the art.
For a more complete understanding of the present application and the advantages thereof, reference is now made to the following descriptions taken in conjunction with the accompanying drawings. Wherein like reference numerals refer to like parts throughout the following description.
Fig. 1 is a schematic structural diagram of a film structure according to an embodiment of the present application.
Fig. 2 is a schematic diagram of a second structure of a film structure according to an embodiment of the present application.
Fig. 3 is a schematic diagram of a third structure of a film structure according to an embodiment of the present application.
Fig. 4 is a schematic diagram of a first partial structure of a bionic membrane layer according to an embodiment of the present application.
Fig. 5 is a schematic diagram of a second partial structure of a bionic membrane layer according to an embodiment of the present application.
Fig. 6 is a schematic diagram of a third partial structure of a bionic membrane layer according to an embodiment of the present application.
Fig. 7 is a schematic diagram of a fourth partial structure of a bionic membrane layer according to an embodiment of the present application.
Fig. 8 is a schematic structural diagram of a bionic membrane layer according to an embodiment of the present application.
Fig. 9 is a fifth partial schematic view of a bionic membrane layer according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments 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.
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a film structure according to an embodiment of the present disclosure. Fig. 2 is a schematic diagram of a second structure of a film structure according to an embodiment of the present application. Fig. 3 is a schematic diagram of a third structure of a film structure according to an embodiment of the present application.
The embodiment of the application provides a film layer structure 10, which can be applied to a flexible display device, wherein the film layer structure 10 comprises: the substrate 110, the packaging film layer 120 and the bionic film layer 130, the packaging film layer 120 covers the surface of the substrate 110, the bionic film layer 130 is arranged between the substrate 110 and the packaging film layer 120, an intermediate film layer 140 is further arranged between the substrate 110 and the packaging film layer 120, and the intermediate film layer 140 can comprise a buffer layer, an active layer, a gate insulating layer, a gate layer, an internal dielectric layer, a source/drain electrode, a pixel electrode layer, a pixel defining layer, an organic light emitting layer, a doped region and the like, so as to realize the display function of the flexible display device. The substrate 110 may be a base, the middle film layer 140 may be disposed on the base, the packaging film layer 120 may be a protective film with a protective function, and the packaging film layer 120 covers the substrate 110 and the middle film layer 140, so that after the flexible display device is bent or folded for many times, the middle film layer 140 is fatigued and fails, and then water and oxygen enter the inside to cause the failure of the flexible display device, thereby affecting the quality of the flexible display device. Based on this, the present application designs a bionic film 130, which may be disposed between the substrate 110 and the packaging film 120, for example, may be disposed between the packaging film 120 and the middle film 140 (as shown in fig. 1), or disposed between the substrate 110 and the middle film 140 (as shown in fig. 2), and in order to further avoid fatigue failure of the middle film 140, the bionic film 130 may be disposed between the packaging film 120 and the middle film 140 and between the substrate 110 and the middle film 140, for example, the bionic film 130 includes a first bionic film 131 and a second bionic film 132, and the packaging film 120, the first bionic film 131, the middle film 140, the second bionic film 132 and the substrate 110 are sequentially stacked.
The bionic membrane layer 130 may include a hard structure and a soft structure, where the hard structure encloses into a plurality of accommodating spaces, and the soft structure is filled in the plurality of accommodating spaces. The bionic film layer with excellent fatigue resistance is arranged between the substrate and the packaging film layer in a soft and hard phase, so that fatigue failure of the display device can be effectively improved, and the quality of the display device is improved.
In some embodiments, the hard structure may be a grid structure, please refer to fig. 1 to 7, and fig. 4 is a schematic view of a first partial structure of the bionic membrane layer according to an embodiment of the present application. Fig. 5 is a schematic diagram of a second partial structure of a bionic membrane layer according to an embodiment of the present application. Fig. 6 is a schematic diagram of a third partial structure of a bionic membrane layer according to an embodiment of the present application. Fig. 7 is a schematic diagram of a fourth partial structure of a bionic membrane layer according to an embodiment of the present application.
The grid structure 133 formed of the hard structure includes a plurality of grid cells 1331, each of which forms an accommodating space 1332, and the soft structure 134 is filled in each accommodating space 1332. The grid cells 1331 may include one or more of square structures, rectangular structures, circular structures, and elliptical structures, among others. For example, the grid cells 1331 may be square (as shown in fig. 4), in other embodiments the grid cells 1331 may be rectangular (as shown in fig. 5), in other embodiments the grid cells 1331 may be circular (as shown in fig. 6), in other embodiments the grid cells 1331 may be elliptical (as shown in fig. 7), and in other embodiments the grid structure may be a structure formed by a combination of differently shaped grid cells 1331. For example, the shape of the veins of the leaves may be simulated to generate the mesh structure 133. The user can select the structure of the grid cell according to the requirements of the manufacturing process and the fatigue resistance degree. Wherein the size of the grid cells may be greater than 1 μm.
The hard structure may be disposed on a side of the substrate 110 facing the middle film layer 140 through an etching process or laser engraving, and may be disposed on a side of the encapsulation film layer 120 facing the middle film layer 140 through an etching process or laser engraving, and the hard structure may be a metal with better elasticity or a polymer material with better elasticity, and may enable the flexible display device to be quickly restored to an initial state through an elastic restoring force of the hard structure when the flexible display device is folded or bent. The thickness of the hard structure may be greater than 0.5 μm.
The soft structure 134 may be filled in the accommodating space 1332 formed by the grid cells 1331 of the hard structure through a coating process or a printing process, and the soft structure 134 may be an organic polymer material or an ultraviolet curable material having a relatively low hardness. The soft structure 134 can reduce stress of the flexible display device when the flexible display device is folded or bent, prevent the membrane layer structure in the middle membrane layer from being broken due to overlarge stress when the flexible display device is folded or bent, and improve the deformability of the flexible display device. The thickness of the soft structure may be the same as the thickness of the hard structure, or the thickness of the soft structure may be slightly greater than the thickness of the hard structure, so that the occurrence of cracks in the flexible display device may be prevented.
In some embodiments, in order to further improve the fatigue resistance of the flexible display device, the distribution of the grid cells in the bionic film layer is non-uniformly designed, please refer to fig. 8, and fig. 8 is a schematic structural diagram of the bionic film layer provided in the embodiments of the present application.
The lattice structure 133 includes a first lattice structure 1333 and a second lattice structure 1334, the density of lattice cells of the first lattice structure 1333 being greater than the density of lattice cells of the second lattice structure 1334. It can be appreciated that the density of the grid cells is the number of grid cells in a unit area, the first grid structure 1333 can be arranged in a frequently bent or folded area of the flexible display device, the grid cells with higher density can improve the elastic restoring force of the flexible display device, and the soft structure filled in the accommodating space formed by the grid cells can reduce the stress generated when the flexible display device is frequently bent or folded, the second grid structure 1334 can be arranged adjacent to the first grid structure 1333, the grid cells with lower density can also provide the elastic restoring force of the flexible display device, and the soft structure filled in the grid cells can transmit the stress to the periphery of the bionic film layer. The hard structure of the biomimetic membrane layer may be provided with an edge structure, for example, the hard structure includes a main body structure (grid structure) forming the accommodation space and an edge structure 1335, the edge structure 1335 is disposed around the main body structure, and the thickness of the edge structure and the thickness of the main body structure are the same. The edge structure can be a hard crack-arresting anti-wrinkle ring, and the soft structure filled in the grid cells can transfer stress to the hard crack-arresting anti-wrinkle ring to prevent cracks and wrinkles.
In some embodiments, the density of grid cells in the first grid structure 1333 may be different, with the density of grid cells in the first grid structure 1333 being greater closer to the frequently folded or frequently buckled region of the flexible display device, and the density of grid cells in the first grid structure 1333 may be inversely proportional to the distance of the region grid cells from the frequently folded or frequently buckled region of the flexible display device, i.e., the smaller the distance, the greater the density. Of course, the density of the grid cells in the second grid structure 1334 may also be different, with the density of the grid cells being greater closer to the frequently folded or frequently buckled regions of the flexible display device.
In some embodiments, the hard structure may be a strip structure, referring to fig. 9, fig. 9 is a fifth partial schematic view of the bionic membrane layer according to the embodiments of the present application.
The hard structure comprises a strip structure 135, the strip structure 135 comprises a plurality of strip units 1351, an accommodating space 1352 is formed between every two strip units, and the soft structure 134 is filled in each accommodating space 1352.
The strip structure 135 may be disposed on a side of the substrate facing the middle film layer by an etching process or laser engraving, and the hard structure may be disposed on a side of the packaging film layer facing the middle film layer by an etching process or laser engraving, the strip structure 135 may be made of metal with better elasticity or polymer material with better elasticity, and the flexible display device may be quickly restored to an initial state by an elastic restoring force of the hard structure when the flexible display device is folded or bent. The thickness of the stripe structure may be greater than 0.5 μm. The strip-shaped structure is perpendicular to the folding line 136 or the bending line 136 of the flexible display device, and the elastic restoring force of the strip-shaped structure can enable the flexible display device to be restored to the initial state relatively quickly when the flexible display device is folded or bent.
The soft structure 134 may be filled in the accommodating space 1352 formed by the strip units 1351 by a coating process or a printing process, and the soft structure 134 may be an organic polymer material or an ultraviolet curing material with smaller hardness. The soft structure 134 can reduce stress of the flexible display device when the flexible display device is folded or bent, prevent the membrane layer structure in the middle membrane layer from being broken due to overlarge stress when the flexible display device is folded or bent, and improve the deformability of the flexible display device. The thickness of the soft structure may be the same as the thickness of the hard structure, or the thickness of the soft structure may be slightly greater than the thickness of the hard structure, so that the occurrence of cracks in the flexible display device may be prevented.
In some embodiments, in order to further improve the fatigue resistance of the flexible display device, the stripe units are unevenly distributed in the bionic film layer, and the stripe structure includes a first stripe structure and a second stripe structure, where the density of the stripe units of the first stripe structure is greater than that of the stripe units of the second stripe structure.
It can be understood that the density of the strip units is the number of the strip units in the unit area, the first strip structure can be arranged in the area where the flexible display device is frequently bent or folded, and is perpendicular to the folding line or the bending line of the flexible display device, the strip units with higher density can improve the elastic restoring force of the flexible display device, and the soft structures filled in the accommodating spaces formed by the strip units can reduce the stress generated when the flexible display device is frequently bent or folded, the second strip structure can be arranged adjacent to the first strip structure, the strip units with lower density can also provide the elastic restoring force of the flexible display device, and the soft structures filled in the strip units can transfer the stress to the periphery of the bionic film layer. The hard structure of the biomimetic membrane layer may be provided with an edge structure, for example the hard structure comprises a main body structure (grid structure) forming the accommodation space and an edge structure, the edge structure is arranged around the main body structure, and the thickness of the edge structure and the thickness of the main body structure are the same. The edge structure can be a hard crack-stopping anti-wrinkle ring, and the soft structure filled in the strip-shaped units can transfer stress to the hard crack-stopping anti-wrinkle ring to prevent cracks and wrinkles.
In some embodiments, the density of the stripe units in the first stripe structure may be different, and the density of the stripe units in the first stripe structure may be greater closer to the frequent folding region or the frequent folding region of the flexible display device, i.e., the density may be inversely proportional to the distance of the area of the stripe units from the frequent folding region or the frequent folding region of the flexible display device, i.e., the smaller the distance is, the greater the distance is. Of course, the density of the stripe units in the second stripe structure may also be different, and the density of the stripe units is greater closer to the frequent folding region or the frequent bending region of the flexible display device.
The embodiment of the application provides a membrane layer structure, structural design is last, design stereoplasm structure (accessible sculpture or mode such as laser sculpture preparation), and at stereoplasm structure coating or print soft structure, thereby form the bionic membrane layer, the advantage of bionic membrane layer is dispersible stress, improve elasticity resilience ability, the stereoplasm structure can be designed into net shape or bar, the stereoplasm structure can be the better metal of elasticity or macromolecular material, the soft structure can be the less material of hardness (such as organic macromolecular material, etc.), the effect of soft structure has the deformation stress of absorption, improve the elastic deformation ability of membrane layer structure, the bionic membrane layer adopts inhomogeneous design, frequently buckle or fold the region at flexible display device, the density that the softness is connected is great, reduce folding or crooked influence to flexible display device, thereby improve flexible display device's fatigue resistance, and then provide flexible display device's quality.
The embodiment of the application also provides a display device which comprises the film layer structure. The display device may include a flexible display device and a driving chip, where the driving chip is used to drive the display or the curling action of the flexible display device, and may be understood as a control center of the display device. The display device can be bent, folded or otherwise deformed to show different display effects, thereby meeting the viewing habits of different users on the display device. The display device may be a mobile electronic device such as a mobile phone or a tablet, or may be a device with a display function such as a computer device, a television, or a vehicle-mounted computer. The display device may include an OLED (Organic Light-Emitting Diode) device, or the Light-Emitting form of the device in the display device is an OLED Light-Emitting form, and the OLED is a current-type Organic Light-Emitting device, which is a phenomenon of Light emission caused by injection and recombination of carriers, and the Light emission intensity is proportional to the injected current. Under the action of an electric field, holes generated by the anode and electrons generated by the cathode of the OLED move, are respectively injected into the hole transport layer and the electron transport layer, and migrate to the light emitting layer. When the two meet at the light emitting layer, an energy exciton is generated, thereby exciting the light emitting molecule to finally generate visible light. The organic plastic layer of an OLED is thinner, lighter, and more flexible than the crystalline layer of an LED (Light-Emitting Diode) or LCD (Liquid Crystal Display). In addition, the OLED can be produced on different flexible substrate materials such as plastics and resins, and an organic layer is evaporated or coated on a plastic substrate, so that a soft screen or a flexible screen can be realized. OLED has the advantages of self-luminescence, low driving voltage, high luminous efficiency, short response time, high definition and contrast, wide viewing angle, wide use temperature range and the like, and is considered to be the display with the most development potential.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
In the description of the present application, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features.
The film structure and the display device provided by the embodiments of the present application are described in detail, and specific examples are applied to illustrate the principles and the embodiments of the present application, and the description of the above embodiments is only used to help understand the method and the core idea of the present application; meanwhile, as those skilled in the art will vary in the specific embodiments and application scope according to the ideas of the present application, the contents of the present specification should not be construed as limiting the present application in summary.
Claims (5)
1. A display device comprising a film structure, the film structure comprising:
a substrate;
the middle film layer is arranged on one side of the substrate;
the packaging film layer is arranged on one side of the middle film layer, which is away from the substrate;
the second bionic film layer is arranged between the substrate and the middle film layer, the second bionic film layer comprises a hard structure and a soft structure, the hard structure comprises a grid structure, the grid structure comprises a plurality of grid units, each grid unit forms an accommodating space, and the soft structure is filled in each accommodating space; the grid structure comprises two adjacent second grid structures and a first grid structure positioned between the two adjacent second grid structures, wherein the density of grid cells of the first grid structure is greater than that of the second grid structure.
2. The display device of claim 1, wherein the shape of the grid cell comprises one or more of a square structure, a rectangular structure, a circular structure, and an oval structure.
3. The display device according to claim 1, wherein the hard structure includes a main body structure forming the accommodation space and an edge structure disposed around the main body structure, and a thickness of the edge structure is the same as a thickness of the main body structure.
4. A display device according to any one of claims 1 to 3, wherein the hardness of the hard structure is greater than the hardness of the soft structure.
5. The display device of any one of claims 1-4, wherein the membrane layer structure further comprises a first biomimetic membrane layer disposed between the encapsulation membrane layer and the intermediate membrane layer.
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| CN202111530334.6A CN114241908B (en) | 2021-12-14 | 2021-12-14 | Film structure and display device |
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| CN202111530334.6A CN114241908B (en) | 2021-12-14 | 2021-12-14 | Film structure and display device |
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| CN114241908A CN114241908A (en) | 2022-03-25 |
| CN114241908B true CN114241908B (en) | 2024-02-09 |
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| CN109004099A (en) * | 2017-06-07 | 2018-12-14 | 上海和辉光电有限公司 | A kind of flexible display panels and preparation method thereof |
| CN112204432A (en) * | 2018-06-08 | 2021-01-08 | 东友精细化工有限公司 | Hard coat film and image display device comprising same |
| CN111384281A (en) * | 2018-12-27 | 2020-07-07 | 广东聚华印刷显示技术有限公司 | Thin film packaging structure and packaging method of display device and display panel |
| CN210955909U (en) * | 2020-02-24 | 2020-07-07 | 合肥维信诺科技有限公司 | Cover plate, display module and display device |
| CN111653607A (en) * | 2020-06-30 | 2020-09-11 | 云谷（固安）科技有限公司 | Flexible display panel |
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