CN112530295B - Display device - Google Patents
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- CN112530295B CN112530295BCN202011582048.XACN202011582048ACN112530295BCN 112530295 BCN112530295 BCN 112530295BCN 202011582048 ACN202011582048 ACN 202011582048ACN 112530295 BCN112530295 BCN 112530295B
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- 239000010410layerSubstances0.000claimsdescription75
- 239000002390adhesive tapeSubstances0.000claimsdescription16
- 239000012790adhesive layerSubstances0.000claimsdescription12
- 239000006260foamSubstances0.000claimsdescription5
- RYGMFSIKBFXOCR-UHFFFAOYSA-NCopperChemical group[Cu]RYGMFSIKBFXOCR-UHFFFAOYSA-N0.000claimsdescription2
- 239000011889copper foilSubstances0.000claimsdescription2
- 238000010586diagramMethods0.000description14
- 238000011161developmentMethods0.000description13
- 230000009286beneficial effectEffects0.000description2
- 230000035939shockEffects0.000description2
- 230000002411adverseEffects0.000description1
- 238000007796conventional methodMethods0.000description1
- 238000005516engineering processMethods0.000description1
- 238000004519manufacturing processMethods0.000description1
- 238000000034methodMethods0.000description1
- 238000012986modificationMethods0.000description1
- 230000004048modificationEffects0.000description1
- 238000004806packaging method and processMethods0.000description1
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- 230000000750progressive effectEffects0.000description1
- 238000011160researchMethods0.000description1
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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
- 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
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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Abstract
Description
Technical Field
The application relates to the field of display, in particular to a display device.
Background
With the development of display technology, the flexible display panel is more and more commonly applied, and has been gradually applied to more and more display devices, which is the mainstream development trend of the display devices at present. However, the conventional display device having a flexible display panel has a large opening width of the bending region, and is not suitable for the development trend of a narrow frame of the display device.
Disclosure of Invention
In order to solve the above technical problem, embodiments of the present application provide a display device that facilitates minimization of an opening width.
In order to solve the above problem, the embodiment of the present application provides the following technical solutions:
a display device, comprising:
the flexible display panel comprises a first area, a second area and a third area positioned between the first area and the second area, wherein the third area is a bending area;
a first support film located on a non-display side of the flexible display panel to support a first region of the flexible display panel;
a second support film on a non-display side of the flexible display panel to support a second region of the flexible display panel;
a buffer layer between the first support film and the second support film;
in the direction perpendicular to the plane of the first region, the distance between one end, close to the third region, of the first support film and one end, close to the third region, of the second support film is not greater than the sum of the thicknesses of the first support film, the second support film and the buffer layer.
Compared with the prior art, the technical scheme has the following advantages:
the technical scheme provided by the embodiment of the application comprises the following steps: the flexible display panel comprises a first area, a second area and a third area positioned between the first area and the second area, wherein the third area is a bending area; a first support film located on a non-display side of the flexible display panel to support a first region of the flexible display panel; a second support film on a non-display side of the flexible display panel to support a second region of the flexible display panel; a buffer layer between the first support film and the second support film; in a direction perpendicular to a plane where the first region is located, a distance between one end of the first support film close to the third region and one end of the second support film close to the third region is not greater than a sum of thicknesses of the first support film, the second support film and the buffer layer, that is, a distance between one end of the first support film close to the third region and one end of the second support film close to the third region is less than or equal to a sum of thicknesses of the first support film, the second support film and the buffer layer, so that a distance between one end of the first support film close to the third region and one end of the second support film close to the third region is smaller, and the opening width of the display device can be reduced by reducing a curvature radius of the bending region on the premise that the bending region is not damaged, therefore, the display device has a smaller frame area, is suitable for the development trend of a narrow frame of the display device, and increases the display area of the display device on the premise of not increasing the size of the display device.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a conventional display device;
fig. 2 is a schematic structural diagram of a display device according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of another display device provided in an embodiment of the present application;
fig. 4 is a schematic structural diagram of another display device provided in the embodiment of the present application;
fig. 5 is a schematic structural diagram of another display device according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of another display device provided in the embodiment of the present application;
fig. 7 is a schematic structural diagram of a double-sided tape in a display device according to an embodiment of the present disclosure;
fig. 8 is a schematic structural diagram of a double-sided tape in another display device provided in the embodiment of the present application;
fig. 9 is a schematic structural diagram of a double-sided tape of another display device according to an embodiment of the present disclosure;
fig. 10 is a schematic structural diagram of another display device according to an embodiment of the present disclosure;
fig. 11 is a schematic structural diagram of another display device provided in the embodiment of the present application;
fig. 12 is a schematic structural diagram of another display device according to an embodiment of the present disclosure;
fig. 13 is a schematic structural diagram of another display device provided in the embodiment of the present application;
fig. 14 is a schematic structural diagram of another display device according to an embodiment of the present disclosure.
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, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and it will be apparent to those of ordinary skill in the art that the present application is not limited to the specific embodiments disclosed below.
Next, the present application will be described in detail with reference to the drawings, and in the detailed description of the embodiments of the present application, the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration, and the drawings are only examples, which should not limit the scope of the protection of the present application. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
The opening width of a bending area in the existing display device with the flexible display panel is large, and the display device is not suitable for the development trend of a narrow frame of the display device.
As shown in fig. 1, the conventional display device includes: flexible display screen and module stacked structure, wherein, flexible display screen part is located module stacked structure's upper surface, and the part is followed module stacked structure lateral buckling extremely module stacked structure's lower surface, it is specific, flexible display screen is including being located module stacked structure upper surface's firsthorizontal zone 51, being located module stacked structure lower surface's secondhorizontal zone 52 and being located module stacked structurelateral buckling area 53.
The common opening width in the current display device is 0.7mm, 1.0mm or 1.2mm, and the like, which cannot be smaller, limits the development trend of the narrow frame of the display device, and is not beneficial to the increase of the proportion of the display area in the display device.
The inventor researches and discovers that the opening width of the display device directly influences the area of the frame region of the display device, and specifically, the larger the opening width of the display device is, the larger the frame region of the display device is, the more adverse to the development of the narrow frame of the display device is. The opening width L of the display device is pi R + K (K is more than or equal to 0), wherein R is the curvature radius of the bending area of the flexible display screen. Therefore, the opening width of the display device can be reduced by reducing the curvature radius of the bending area of the display device, so that the area of the frame area of the display device is reduced, the display device is suitable for the development trend of narrow frames, and the display area of the display device is increased under the condition that the size of the display device is not changed.
However, in the conventional display device, as shown in fig. 1, the thickness T of the stacked module structure is the sum of the thicknesses of thebuffer layer 54, theupper support film 55 located above thebuffer layer 54, the lower support film 56 located below thebuffer layer 54, and the double-sidedadhesive layer 57 located between the lower support film and thebuffer layer 54. If the thickness of stacking the module structure can' T reduce again, and directly reduces the curvature radius R of flexible display screen bending region can make the twice of the curvature radius R of flexible display screen bending region is less than the thickness of module stack structure, 2R < T promptly, leads to the bending region of flexible display screen appears buckling the damage.
Based on this, the present application provides a display device, as shown in fig. 2, the display device including:
the flexible display panel comprises afirst area 11, asecond area 12 and athird area 13 positioned between thefirst area 11 and thesecond area 12, wherein thethird area 13 is a bending area;
thefirst support film 21 is located on the non-display side of the flexible display panel, and supports thefirst region 11 of the flexible display panel, wherein thefirst support film 21 is located on the non-display side of the flexible display panel, so that thefirst support film 21 can support thefirst region 11 of the flexible display panel without affecting the normal operation of the flexible display panel;
asecond support film 22, thesecond support film 22 being located on the non-display side of the flexible display panel and supporting thesecond region 12 of the flexible display panel;
and thebuffer layer 30 is positioned between thefirst support film 21 and thesecond support film 22, so that the display device has certain toughness and the shock resistance of the display device is improved.
It should be noted that, in the embodiment of the present application, the first region in the flexible display panel is a display region of the flexible display panel, and the second region of the flexible display panel is a region where an end of the second region, facing away from the first region, of the flexible display panel is bent from a side surface of the buffer layer to a side of the second support facing away from the buffer layer, and is not a display region. In a specific application, the second region and/or the third region may be used to set a circuit board or an electrical connection line for controlling the flexible display panel to work, and the like.
It should be further noted that, in the display device, the bending resistance of the bending region of the flexible display panel is mainly affected by a distance between one end of the first support film close to the third region and one end of the second support film close to the third region in a direction perpendicular to the plane where the first region is located. Specifically, on the premise that the bending area is not damaged by bending, in the direction perpendicular to the plane where the first area is located, the larger the distance between one end, close to the third area, of the first support film and one end, close to the third area, of the second support film is, the larger the curvature radius of the bending area is, the smaller the distance between one end, close to the third area, of the first support film and one end, close to the third area, of the second support film is, and the smaller the curvature radius of the bending area is.
In the display device provided in the embodiment of the present application, in the direction perpendicular to the plane of the first region, the distance between the end of the first support film close to the third region and the end of the second support film close to the third region is not greater than the sum of the thicknesses of the first support film, the second support film and the buffer layer, that is, the distance between the end of the first support film close to the third region and the end of the second support film close to the third region is less than or equal to the sum of the thicknesses of the first support film, the second support film and the buffer layer, so that the distance between the end of the first support film close to the third region and the end of the second support film close to the third region is relatively small, and on the premise that the bending damage of the bending region does not occur, the radius of curvature of the bending region can be reduced, the opening width of the display device is reduced, so that the display device has a smaller frame area, is suitable for the development trend of a narrow frame of the display device, and increases the display area of the display device on the premise of not increasing the size of the display device.
On the basis of the above embodiment, in an embodiment of the present application, as shown in fig. 2, the first side of thebuffer layer 30 is fixed in contact with thefirst support film 21, the second side of thebuffer layer 30 is fixed in contact with thesecond support film 22, and the first side of thebuffer layer 30 is opposite to the second side of thebuffer layer 30, so as to realize the contact fixation of thebuffer layer 30 and thefirst support film 21 and the contact fixation of thebuffer layer 30 and thesecond support film 22, and avoid a problem that the distance between the end of the first support film close to the third region and the end of the second support film close to the third region is large due to the fact that the second support film and the buffer layer are bonded by a double-sided adhesive layer.
Alternatively, on the basis of the above-mentioned embodiment, in an embodiment of the present application, as shown in fig. 3, thesecond support film 22 includes: the flexible display panel comprises asupport body 221, a firstadhesive layer 222 located on one side, away from thebuffer layer 30, of thesupport body 221, and a secondadhesive layer 223 located on one side, facing thebuffer layer 30, of thesupport body 221, wherein the firstadhesive layer 222 adheres to thesupport body 221 and theflexible display panel 10 to achieve contact fixing between theflexible display panel 10 and thesupport body 221, and the secondadhesive layer 223 adheres to thesupport body 221 and thebuffer layer 30 to achieve contact fixing between thesupport body 221 and thebuffer layer 30.
Compared with the conventional method of realizing the fixed contact between the second support film and the buffer layer through the double-sided adhesive tape, the display device provided in the embodiment of the present application directly arranges the second adhesive layer with a smaller thickness in the second support film to realize the contact fixation between the second support film and the buffer layer, the distance between one end of the first supporting film close to the third area and one end of the second supporting film close to the third area can be greatly reduced, so that on the premise of ensuring that the bending area is not damaged, the display device may be manufactured by reducing the radius of curvature of the bending region, reducing the opening width of the display device, thereby leading the display device to have smaller frame area and being suitable for the development trend of the narrow frame of the display device, on the premise of not increasing the size of the display device, the display area of the display device is increased.
In another embodiment of the present application, as shown in fig. 4, a first side of thebuffer layer 30 is fixed in contact with thefirst support film 21 to realize the contact fixation of thebuffer layer 30 with thefirst support film 21, and a second side of thebuffer layer 30 is fixedly connected with thesecond support film 22 by a double-sided tape 31 to realize the contact fixation of thebuffer layer 30 with thesecond support film 22. In the embodiment of the present application, a side of the double-sidedadhesive tape 31 facing the second support film has an inclined surface; specifically, the second region includes: afirst sub-region 121 parallel to the first region and asecond sub-region 122 connecting thefirst sub-region 121 and thethird region 13; the second support film includes: afirst support part 201 supporting thefirst sub-region 121 and asecond support part 202 supporting thesecond sub-region 122; wherein, the first supportingportion 201 is bonded to the non-inclined area of the double-sidedadhesive tape 31, and the second supportingportion 202 is bonded to the inclined area of the double-sidedadhesive tape 31, so that on the basis of the fixed connection between the second supportingfilm 22 and thebuffer layer 30 by the double-sidedadhesive tape 31, the portion of one side of the double-sidedadhesive tape 31 facing the second supportingfilm 22 and close to the bending area is set as an inclined plane, so as to reduce the distance between one end of the first supportingfilm 21 close to thethird area 13 and one end of the second supportingfilm 22 close to thethird area 13, so as to reduce the opening width of the display device by reducing the curvature radius of the bending area on the premise of ensuring that the bending area is not damaged, thereby enabling the display device to have a smaller frame area and being applicable to the development trend of a narrow frame of a display device, on the premise of not increasing the size of the display device, the display area of the display device is increased.
It should be further noted that, in the above embodiment, a side of the second support film facing the buffer layer is already fixedly connected to the buffer layer through a double-sided adhesive tape, and therefore, on the basis of the above embodiment, in an embodiment of the present application, as shown in fig. 5, thesecond support film 22 includes: the flexible display panel comprises asupport body 221 and a firstadhesive layer 222 located on one side, away from thebuffer layer 30, of thesupport body 221, wherein the firstadhesive layer 222 adheres thesupport body 221 and theflexible display panel 10, so that thesupport body 221 and theflexible display panel 10 are fixed in a contact mode. That is, in the embodiment of the present application, the second adhesive layer is no longer included in the second support film, so that the thickness of the second support film is reduced.
Optionally, on the basis of any of the above embodiments, in an embodiment of the present application, as shown in fig. 4, when thefirst sub-region 121 is parallel to thefirst region 11, an orthographic projection of thefirst support film 21 on a preset plane covers an orthographic projection of thesecond support portion 202 on the preset plane, that is, the orthographic projection of thefirst support film 21 on the preset plane is greater than or equal to an orthographic projection of thesecond support portion 202 on the preset plane, so as to ensure that an orthographic projection of one end of the double-sided tape 31 close to thethird region 13 on the preset plane is located in the orthographic projection of thefirst support film 21 on the preset plane, avoid a slope region of the double-sided tape 31 protruding toward the third region, adhere the third region of the flexible display panel, and affect a curvature radius of the third region of the flexible display panel, so that the third area of the flexible display panel is subjected to bending damage. It should be noted that, in the embodiment of the present application, the preset plane is parallel to a plane in which the first area is located.
On the basis of the foregoing embodiments, in an embodiment of the present application, as shown in fig. 6, an area of the inclined surface region of the double-sided tape 31 is smaller than an area of thesecond sub-region 122, so that an end of the double-sided tape close to the third region of the flexible display panel is farther from the third region of the flexible display panel than an end of the second support film close to the third region of the flexible display panel, so as to further ensure that a distance between an end of the first support film close to the third region and an end of the second support film close to the third region is not greater than a sum of thicknesses of the first support film, the second support film and the buffer layer.
Alternatively, on the basis of the above embodiment, in an embodiment of the present application, as shown in fig. 7, the inclined surface area of the double-sided tape 31 is a plane, so that the forming process of the inclined surface area of the double-sided tape 31 is relatively simple, and the adhesion force between the inclined surface area of the double-sided tape 31 and the second support portion is relatively strong.
Since the portion of the second support film closer to the bending region of the flexible display panel is subjected to a larger tensile stress, in another embodiment of the present application, as shown in fig. 8, the inclined surface region of the double-sided tape 31 includes a planar region and a curved region which are arranged at intervals, so as to increase a contact region between the inclined surface region of the double-sided tape 31 and the second support film, so that the inclined surface region of the double-sided tape 31 is bonded with the second support portion more firmly, and the probability that the second support film falls off from the double-sided tape is reduced.
Alternatively, on the basis of any of the above embodiments, in an embodiment of the present application, as shown in fig. 9, the included angle a between the plane of the inclined surface area of the double-sidedadhesive tape 31 and the plane of thefirst area 11 ranges from 30 degrees to 60 degrees, including the endpoint value, so as to avoid too small an angle between the plane of the beveled area of the double-sidedadhesive tape 31 and the plane of thefirst area 11, the distance between the end of the first supportingfilm 21 close to thethird region 13 and the end of the second supportingfilm 22 close to thethird region 13 is relatively large, which is not beneficial to reducing the opening width of the display device on the premise of ensuring that the bending region is not damaged, meanwhile, the problem that the junction of thefirst area 11 and thethird area 13 of the flexible display panel is bent and damaged due to too large included angle between the plane of the inclined area of the double-sidedadhesive tape 31 and the plane of thefirst area 11 is avoided. However, the present application does not limit this, and the specific case may be.
On the basis of any of the above embodiments, in an embodiment of the present application, when the second side of the buffer layer is fixedly connected to the second supporting film through a double-sided tape, in order to further reduce the distance between one end of the first supporting film close to the third region and one end of the second supporting film close to the third region, thereby further reducing the opening width of the display device, as shown in fig. 10, thebuffer layer 30 has an inclined surface facing the second supportingfilm 22, and the inclined surface of thebuffer layer 30 and the inclined surface of the double-sided tape 31 are in the same plane, so that the distance between one end of the first supportingfilm 21 close to thethird region 13 and one end of the second supportingfilm 22 close to thethird region 13 in a direction perpendicular to the plane of thefirst region 11 is smaller than the distance between one end of the first supportingfilm 21 close to thethird region 13 and one end of the second supportingfilm 22 close to thethird region 13, The sum of the thicknesses of thesecond support film 22 and thebuffer layer 30. However, the present application is not limited thereto, and in other embodiments of the present application,
optionally, the inclined plane of the buffer layer and the inclined plane of the double-sided adhesive tape may not be located in the same plane, as long as the inclined plane of the buffer layer is ensured to be connected with the inclined plane of the double-sided adhesive tape, so that a distance between one end, close to the third region, of the first support film and one end, close to the third region, of the second support film can be reduced, and a distance between one end, close to the third region, of the first support film and one end, close to the third region, of the second support film is smaller than a sum of thicknesses of the first support film, the second support film and the buffer layer.
On the basis of any of the above embodiments, in an embodiment of the present application, as shown in fig. 11, thebuffer layer 30 includes afoam 32 and ashielding layer 33 located on a side where thefoam 32 deviates from thefirst support 21 film, so that on the basis of improving the shock resistance of the display device by using thefoam 32, the signal of thesecond region 12 of the flexible display panel is shielded by using theshielding layer 33, and the signal of thesecond region 12 of the flexible display panel is prevented from penetrating through thebuffer layer 30 to affect the display of thefirst region 11 of the flexible display panel.
Optionally, in an embodiment of the present application, the shielding layer is a copper foil layer. However, the present application is not limited thereto, as the case may be.
On the basis of any one of the above embodiments, in an embodiment of the present application, as shown in fig. 12, the display device further includes: thecover plate 40 is located on one side, away from thefirst support film 21, of the first area of theflexible display panel 10, and thefixing layer 41 is fixedly connected with thecover plate 40 and theflexible display panel 10, so that the cover plate can protect the surface of the flexible display panel.
On the basis of the above-described embodiment, in an embodiment of the present application, as shown in fig. 13, the display device further includes: thepolarizer 42 is located between the fixinglayer 41 and theflexible display panel 10 to modulate light emitted to the surface of the flexible display panel from the external environment, so as to reduce the amount of light emitted into the flexible display panel from the external environment.
On the basis of the above-described embodiment, in an embodiment of the present application, as shown in fig. 14, the display device further includes: and thepackaging element 43 is positioned on one side, away from the buffer layer, of the second support film so as to package the display device.
To sum up, the display device provided by the embodiment of the present application includes: the flexible display panel comprises a flexible display panel, a first supporting film, a second supporting film and a buffer layer, wherein in the direction perpendicular to the plane of the first region, the distance between one end, close to the third region, of the first supporting film and one end, close to the third region, of the second supporting film is not more than the sum of the thicknesses of the first supporting film, the second supporting film and the buffer layer, namely the distance between one end, close to the third region, of the first supporting film and one end, close to the third region, of the second supporting film is less than or equal to the sum of the thicknesses of the first supporting film, the second supporting film and the buffer layer, so that the distance between one end, close to the third region, of the first supporting film and one end, close to the third region, of the second supporting film is smaller, and under the premise that the bending damage does not occur in the bending region is ensured, the curvature radius of the bending area can be reduced, the opening width of the display device is reduced, the display device is enabled to have a smaller frame area, the display device is suitable for the development trend of a narrow frame of the display device, and the display area of the display device is increased on the premise that the size of the display device is not increased.
Therefore, the display device provided by the embodiment of the application reduces the opening width of the display device, so that the display device has a smaller frame area and is suitable for the development trend of narrow frames of display devices.
All parts in the specification are described in a mode of combining parallel and progressive, each part is mainly described to be different from other parts, and the same and similar parts among all parts can be referred to each other.
In the above description of the disclosed embodiments, features described in various embodiments in this specification can be substituted for or combined with each other to enable those skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (13)
1. A display device, comprising:
the flexible display panel comprises a first area, a second area and a third area positioned between the first area and the second area, wherein the third area is a bending area;
a first support film located on a non-display side of the flexible display panel to support a first region of the flexible display panel;
a second support film on a non-display side of the flexible display panel to support a second region of the flexible display panel;
a buffer layer between the first support film and the second support film;
in a direction perpendicular to a plane where the first region is located, a distance between one end, close to the third region, of the first support film and one end, close to the third region, of the second support film is smaller than the sum of thicknesses of the first support film, the second support film and the buffer layer.
2. The display device according to claim 1, wherein a first side of the buffer layer is fixed in contact with the first support film, and a second side of the buffer layer is fixed in contact with the second support film, the second side being opposite to the first side.
3. The display device according to claim 2, wherein the second support film comprises: the support body, the first bonding layer positioned on one side of the support body, which is far away from the buffer layer, and the second bonding layer positioned on one side of the support body, which is towards the buffer layer;
the first bonding layer bonds the support body and the flexible display panel, and the second bonding layer bonds the support body and the buffer layer.
4. The display device according to claim 1, wherein a first side of the buffer layer is fixedly attached to the first support film, and a second side of the buffer layer is fixedly attached to the second support film by a double-sided tape.
5. The display device according to claim 4, wherein the second support film comprises: the flexible display panel comprises a support body and a first adhesive layer, wherein the first adhesive layer is located on one side, deviating from the buffer layer, of the support body, and is bonded with the support body and the flexible display panel.
6. The display device according to claim 4, wherein the double-sided tape has a slope on a side facing the second support film;
the second region includes: a first sub-region parallel to the first region and a second sub-region connecting the first sub-region and the third region; the second support film includes: a first support portion that supports the first sub-region and a second support portion that supports the second sub-region;
the first supporting part is bonded with the non-inclined plane area of the double-sided adhesive tape, and the second supporting part is bonded with the inclined plane area of the double-sided adhesive tape.
7. The display device according to claim 6, wherein when the first sub-region is parallel to the first region, an orthographic projection of the first support film on a preset plane covers an orthographic projection of the second support film on the preset plane;
the preset plane is parallel to the plane where the first area is located.
8. The display device according to claim 7, wherein the area of the bevel region of the double-sided tape is smaller than the area of the second sub-region.
9. The display device according to claim 6, wherein the bevel area of the double-sided tape is a plane, or the bevel area of the double-sided tape comprises a plane area and a curved area which are arranged at intervals.
10. The display device according to claim 6, wherein an included angle between a plane where the inclined surface region of the double-sided adhesive tape is located and a plane where the first region is located ranges from 30 ° to 60 °, inclusive.
11. The display device according to claim 8, wherein the buffer layer has a slope on a side facing the second support film, and the slope of the buffer layer and the slope of the double-sided adhesive tape are in the same plane.
12. The display device according to claim 1, wherein the buffer layer comprises foam and a shielding layer on a side of the foam facing away from the first support film.
13. The display device according to claim 12, wherein the shielding layer is a copper foil layer.
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| CN202011582048.XACN112530295B (en) | 2020-12-28 | 2020-12-28 | Display device |
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| CN202011582048.XACN112530295B (en) | 2020-12-28 | 2020-12-28 | Display device |
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| CN113436530B (en)* | 2021-06-16 | 2022-05-03 | 武汉华星光电半导体显示技术有限公司 | Display module, manufacturing method thereof and display device |
| CN113506513B (en)* | 2021-06-17 | 2023-03-31 | 云谷（固安）科技有限公司 | Display panel and preparation method thereof |
| KR20230043303A (en)* | 2021-09-23 | 2023-03-31 | 삼성디스플레이 주식회사 | Display device |
| CN114953534B (en)* | 2022-05-24 | 2024-09-20 | 昆山国显光电有限公司 | Support film, preparation method and flexible display panel |
| CN115482739B (en)* | 2022-09-29 | 2025-09-16 | 京东方科技集团股份有限公司 | Flexible display device, manufacturing method thereof and storage medium |
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| US9490312B2 (en)* | 2014-12-22 | 2016-11-08 | Lg Display Co., Ltd. | Organic light emitting diode display device with flexible printed circuit film |
| JP6423781B2 (en)* | 2015-11-20 | 2018-11-14 | 株式会社ジャパンディスプレイ | Display device |
| CN108389886B (en)* | 2018-04-17 | 2021-11-30 | 京东方科技集团股份有限公司 | Backboard component and display panel |
| CN208488924U (en)* | 2018-07-18 | 2019-02-12 | 昆山国显光电有限公司 | Display panel and display device |
| CN108766246A (en)* | 2018-07-18 | 2018-11-06 | 昆山国显光电有限公司 | Display panel and display device |
| CN208488922U (en)* | 2018-07-18 | 2019-02-12 | 昆山国显光电有限公司 | Display device and its flexible display screen |
| CN109065570A (en)* | 2018-07-18 | 2018-12-21 | 昆山国显光电有限公司 | Display panel and display device |
| CN208861606U (en)* | 2018-07-18 | 2019-05-14 | 昆山国显光电有限公司 | Display device and its flexible display screen |
| CN208622355U (en)* | 2018-07-18 | 2019-03-19 | 昆山国显光电有限公司 | Display panel and display device |
| CN110197620B (en)* | 2019-06-26 | 2021-06-29 | 云谷（固安）科技有限公司 | Flexible display module and flexible display device |
| CN110570772A (en)* | 2019-09-17 | 2019-12-13 | 昆山工研院新型平板显示技术中心有限公司 | Flexible display device and preparation method thereof |
| CN111477670B (en)* | 2020-05-12 | 2023-09-01 | 京东方科技集团股份有限公司 | a display device |
| CN111968521A (en)* | 2020-09-09 | 2020-11-20 | 合肥维信诺科技有限公司 | Display panel and display device |
| CN112117319B (en)* | 2020-09-30 | 2022-05-20 | 武汉天马微电子有限公司 | Display device and display device bonding method |
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