Flexible display devices

Abstract

A flexible display device is provided. The flexible display device includes: a display panel including a bending portion and non-bending portions arranged on both sides of the bending portion; a main body portion arranged under the display panel and including a first frame and a second frame facing each other; and a connecting portion connecting the first frame and the second frame to each other and defining a bending axis, the first frame and the second frame including facing surfaces, the facing surfaces including a magnetic region and a non-magnetic region, the magnetic regions being spaced apart from each other by the non-magnetic region, and two magnetic regions in the magnetic region being respectively arranged in the first frame and the second frame and facing each other and having opposite polarities so that the two magnetic regions attract each other.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims priority to and the benefit of Korean Patent Application No. 10-2019-0063427, filed on May 29, 2019, in the Korean Intellectual Property Office, the entire contents of which are incorporated herein by reference. Technical Field

[0003] The present disclosure relates to a flexible display device having a housing member mounted thereon. Background Art

[0004] Electronic devices such as smart phones, digital cameras, notebook computers, navigation systems, and smart TVs that display images to users include display devices for displaying images. The display device generates an image on a display screen, and the image is visible to the user.

[0005] In recent years, various types of display devices have been developed to meet the needs of consumers. For example, flexible display devices that can be deformed into a curved, folded, or curled surface shape have been developed. Flexible display devices whose shapes can be deformed in various ways are easy to carry and can improve user convenience.

[0006] Such flexible display devices can be applied to various types of devices such as televisions and monitors, as well as portable electronic devices such as mobile communication terminals, electronic notebooks, electronic books, portable multimedia players ("PMP"), navigation systems, ultra mobile PCs (UMPCs), mobile phones, smart phones, and tablet personal computers ("PCs").

[0007] It should be understood that this background section is intended, in part, to provide a useful background for understanding the technology. However, this background section may also include ideas, concepts or realizations of a portion of the content that were not known or understood by a person skilled in the relevant art before the corresponding effective filing date of the subject matter disclosed herein. Summary of the invention

[0008] The problem to be solved is to provide separate housing components which are automatically aligned at a specified position.

[0009] Another problem to be solved is to provide a flexible display device on which a display panel having an improved degree of bending deformation is mounted.

[0010] The above-mentioned problems to be solved are not limited to the above-mentioned problems, and other technical problems not described can be clearly understood and appreciated by those skilled in the art from the following description.

[0011] A shell member according to an embodiment of the present disclosure for solving the above-mentioned problem may include a first frame having a first side surface and a second frame having a second side surface, the second side surface of the second frame being arranged to face the first side surface of the first frame. Each of the first side surface and the second side surface may include a plurality of magnetic regions and a non-magnetic region separating the magnetic regions, at least one magnetic region among the plurality of magnetic regions includes a first sub-magnetic region having a first polarity and a second sub-magnetic region having a second polarity different from the first polarity, the first sub-magnetic region and the second sub-magnetic region are in the form of a matrix and are alternately arranged in a row direction and a column direction intersecting the row direction, and each of the first side surface and the second side surface includes another magnetic region located between the matrix of the first sub-magnetic region and the second sub-magnetic region, each of the other magnetic regions in the first side surface and the second side surface alternates with the matrix of the first sub-magnetic region and the second sub-magnetic region, and each of the other magnetic regions has the same polarity, and the plurality of magnetic regions on the corresponding first side surface and the second side surface have different polarities.

[0012] The first side surface may include a first magnetic region and a second magnetic region separated from each other, and the second side surface may include a fourth magnetic region having the same area as the first magnetic region.

[0013] The first side surface may further include a third magnetic region separated from the first and second magnetic regions, the second side surface may further include fifth and sixth magnetic regions separated from the fourth magnetic region, and the fifth and sixth magnetic regions may have the same area.

[0014] The first magnetic region and the sixth magnetic region may have the same area, the third magnetic region and the fourth magnetic region may have the same area, and the second magnetic region and the fifth magnetic region may have the same area.

[0015] The first magnetic region, the second magnetic region, and the third magnetic region may be sequentially disposed in a row direction.

[0016] The fourth magnetic region, the fifth magnetic region, and the sixth magnetic region may be arranged in a row direction.

[0017] The first frame and the second frame may be rotated about the bending axis, and the fifth magnetic region may be positioned closer to the bending axis than the first magnetic region.

[0018] Each of the first frame and the second frame may include a thin magnet installed on at least a portion of a position corresponding to the plurality of magnetic regions.

[0019] Each of the first frame and the second frame may include an electromagnet installed on at least a portion of a position corresponding to the plurality of magnetic regions.

[0020] The housing member may further include a first electromagnet mounted on the first frame and a second electromagnet mounted on the second frame and facing the first electromagnet, and the first and second electromagnets may be controlled to attract or repel the second and first electromagnets.

[0021] Two adjacent magnetic regions among the plurality of magnetic regions may be spaced apart by a non-magnetic region, and the first sub-magnetic region and the second sub-magnetic region may be positioned in contact with each other in row and column directions.

[0022] The flexible display device may include a housing member.

[0023] A flexible display device according to an embodiment of the present disclosure for solving the above-mentioned problem may include: a display panel including a bending portion and non-bending portions provided on both sides of the bending portion; a main body portion provided under the display panel and including a first frame and a second frame opposite to each other; and a connecting portion connecting the first frame and the second frame to each other and defining a bending axis. The first frame and the second frame include facing surfaces, the facing surfaces include a plurality of magnetic regions and non-magnetic regions, the plurality of magnetic regions are spaced apart from each other by the non-magnetic regions, and two magnetic regions among the plurality of magnetic regions are respectively provided in the first frame and the second frame and face each other and have opposite polarities.

[0024] An attractive force may be maintained between the first frame and the second frame.

[0025] Two different magnetic regions among the plurality of magnetic regions may be disposed in the first frame and the second frame, respectively, and face each other and have the same polarity such that the two different magnetic regions repel each other.

[0026] A distance between facing surfaces of the first frame and the second frame may be in the range of about 50 μm to about 300 μm.

[0027] The first frame and the second frame may have an angle of about 180° to about 183° in a direction in which the display panel is disposed.

[0028] Each of the first frame and the second frame may include at least one electromagnet installed in the plurality of magnetic regions.

[0029] The display panel may be folded inwardly about the bending axis so that the display surface of the flexible display device moves to the inside.

[0030] When the flexible display device switches from a bent state to an unfolded state, the first frame and the second frame may be automatically aligned.

[0031] The connection portion may overlap the bent portion of the display panel, the first frame and the second frame may overlap the non-bent portion of the display panel and rotate around the connection portion, and the first frame and the second frame may be spaced apart from each other in an unfolded state of the flexible display device.

[0032] The flexible display device may further include a lower structure that performs a light shielding function, a shielding function, and / or a heat dissipation function and is disposed between the display panel and the main body portion.

[0033] According to an embodiment, separate case members of the flexible display device may be automatically aligned.

[0034] The degree of bending deformation of a display panel disposed on a self-aligning housing member can be improved.

[0035] Effects according to the embodiments are not limited to the above-exemplified contents, and a person of ordinary skill in the art may understand other various effects with reference to the specification. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Additional understanding of embodiments according to the present invention will become more apparent by describing in detail embodiments of the present invention with reference to the accompanying drawings, in which:

[0037] Figure 1 is a perspective view of a flexible display device according to an embodiment;

[0038] Figure 2 is a schematic diagram showing the plane and Figure 1 A diagram of a cross section corresponding to the line I1-I1';

[0039] Figure 3 and Figure 4 They are Figure 1 A perspective view of the flexible display device of the embodiment shown in FIG. 1 in the state of being folded inward and folded outward;

[0040] Figure 5 is an exploded perspective view of a flexible display device according to an embodiment;

[0041] Figure 6 yes Figure 5 Side view of the FF1 region;

[0042] Figure 7 yes Figure 5 Side view of the FF2 region;

[0043] Figure 8 is a diagram for describing the alignment between facing magnetic regions;

[0044] Fig. 9 is an exploded perspective view of a flexible display device according to an embodiment;

[0045] Fig.10 yes Fig. 9 Side view of the FF1_1 region;

[0046] Fig.11 yes Fig. 9 Side view of the FF2_1 region;

[0047] Fig.12 is an exploded perspective view of a flexible display device according to an embodiment;

[0048] Fig.13 yes Fig.12 Side view of the FF1_2 region;

[0049] Fig.14 yes Fig.12 Side view of the FF2_2 region;

[0050] Fig.15 is an exploded perspective view of a flexible display device according to an embodiment;

[0051] Fig.16 yes Fig.15 Side view of the FF1_3 region;

[0052] Fig.17 yes Fig.15 A side view of the FF2_3 region; and

[0053] Fig.18 yes Fig.15 Schematic cross-sectional view of a flexible display device. DETAILED DESCRIPTION

[0054] Although the present invention can be modified in various ways and has additional embodiments, the embodiments are shown in the drawings and will be mainly described in the specification. However, the scope of the present invention is not limited to the embodiments in the drawings and the specification, and should be interpreted as including all changes, equivalents and substitutions included in the spirit and scope of the present invention.

[0055] When a layer or element is referred to as being "on" another layer or element, it can be directly on the other layer or element, or there can be intervening layers or elements between them. Conversely, when a layer or element is referred to as being "directly on" another layer or element, there can be no intervening layers or elements between them. In addition, when a layer or element is referred to as being "below" another layer or element, it can be directly below the other layer or element, or there can be intervening layers or elements between them. Conversely, when a layer or element is referred to as being "directly below" another layer or element, there can be no intervening layers or elements between them. In addition, "above" or "upper" can include positioning on or below an object, and does not necessarily mean a direction based on gravity.

[0056] For ease of description, spatially relative terms "below," "below," "lower," "above," "upper," and the like may be used herein to describe the relationship between one element or component and another element or component as shown in the accompanying drawings. It should be understood that in addition to the orientation depicted in the accompanying drawings, the spatially relative terms are intended to include different orientations of the device in use or operation. For example, in a case where the device shown in the figure is flipped, a device positioned "below" or "below" another device may be placed "above" the other device. Thus, the illustrative term "below" may include both a lower position and an upper position. The device may also be oriented in other directions, and therefore, the spatially relative terms may be interpreted differently depending on the orientation.

[0057] Throughout the specification, when an element is referred to as being “connected” to another element, the element may be “directly connected” to the other element, or “electrically connected” to the other element with one or more intervening elements interposed therebetween. It should also be understood that when the terms “comprises,” “comprising,” “includes,” and / or “including” are used in this specification, they or it may specify the presence of stated features, integers, steps, operations, elements, and / or components, but do not exclude the presence or addition of other features, integers, steps, operations, elements, components, and / or any combination thereof.

[0058] It will be understood that although the terms "first", "second", "third", etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are used to distinguish one element from another element, or for the purpose of convenient description and explanation of the element. For example, when a "first element" is discussed in the description, it may be referred to as a "second element" or a "third element", and without departing from the teachings herein, the "second element" and the "third element" may be named in a similar manner.

[0059] As used herein, "about" or "approximately" includes the stated value and the mean within an acceptable deviation range of the particular value as determined by one of ordinary skill in the art taking into account the measurement in question and the errors associated with the measurement of the particular quantity (e.g., limitations of the measurement system). For example, "about" can mean within one or more standard deviations, or within ±30%, ±20%, ±5% of the stated value.

[0060] Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as those commonly understood by those skilled in the art to which the present invention belongs. It should also be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning consistent with their meaning in the context of the relevant art, and will not be interpreted in an idealized or overly formalized sense unless explicitly defined in the specification.

[0061] Hereinafter, embodiments will be described with reference to the accompanying drawings. Throughout the specification, the same reference numerals denote the same elements.

[0062] Figure 1 is a perspective view of a flexible display device according to an embodiment. Figure 2 is a schematic diagram showing the plane and Figure 1 FIG. 5 is a diagram of a cross section corresponding to line I1-I1'. Figure 3 and Figure 4 They are Figure 1 2 is a perspective view of a flexible display device according to an embodiment shown in FIG. 1 in a state of being folded inwardly and folded outwardly. Figure 1 The flexible display device of the embodiment is shown in a state where it is unfolded. For the convenience of description and illustration, the thickness of each component of the flexible display device may be exaggerated.

[0063] Figures 1 to 4 The flexible display device 1 shown in the figure shows a foldable display device as an example. However, the shape of the flexible display device 1 is not limited to the shape shown. When tension or compression force, such as by bending, is applied to the flexible display device 1, the shape of the display device may be different from the shape shown in the figure.

[0064] Reference Figure 1 , a display surface DS on which an image can be displayed in the flexible display device 1 may be parallel to a surface defined by the first direction axis DR1 and the second direction axis DR2. A normal direction of the display surface DS, i.e., a thickness direction of the flexible display device 1, may be represented by a third direction axis DR3. A front surface (or upper surface) and a rear surface (or lower surface) of each housing member may be separated by the third direction axis DR3.

[0065] In the present specification, the first direction axis DR1, the second direction axis DR2, and the third direction axis DR3 are axes orthogonal to each other and may correspond to the x-axis, the y-axis, and the z-axis, respectively. However, the directions indicated by the first direction axis DR1, the second direction axis DR2, and the third direction axis DR3 are relative concepts and may be applied to different directions. Hereinafter, the first direction, the second direction, and the third direction are represented by the first direction axis DR1, the second direction axis DR2, and the third direction axis DR3, and the same reference numerals as the first direction axis DR1, the second direction axis DR2, and the third direction axis DR3 may refer to the first direction, the second direction, and the third direction, respectively.

[0066] As an embodiment, the flexible display device 1 may include areas defined according to one or more operation modes. The flexible display device 1 of the embodiment includes a bending area BA and a non-bending area NBA, the bending area BA is bent based on a bending axis X, and the non-bending area NBA is unfolded based on the bending axis X (for example, Figures 2 to 4 ).

[0067] The flexible display device 1 may include at least one bending area BA and at least one non-bending area NBA. Figure 1 One bending area BA and two non-bending areas NBA are shown, but the embodiment is not limited thereto. For example, the flexible display device 1 of the embodiment may include a plurality of bending areas BA. For example, the flexible display device 1 of the embodiment may include three or more non-bending areas NBA.

[0068] In an embodiment, in the flexible display device 1, the bending area BA and the non-bending area NBA may be disposed to be connected to each other. For example, the non-bending area NBA may be disposed on both sides of the bending area BA.

[0069] The display surface DS of the flexible display device 1 may include several areas. The display surface DS of the flexible display device 1 may include a display area DA that displays an image and a non-display area NDA adjacent to the display area DA. The non-display area NDA is an area where no image is displayed. The display area DA may be defined by a light-emitting element (not shown) and may include a light-emitting area (not shown) that is an area that can emit light of a predetermined color. The display area DA may be in a quadrilateral shape. The non-display area NDA may be arranged to surround the display area DA in a plan view. However, the embodiment is not limited thereto, and the shape of the display area DA and the shape of the non-display area NDA may be designed as needed.

[0070] Reference Figure 2The flexible display device 1 includes a module part 300, a body part 100 supporting the module part 300, and a connection part 200 connecting each of the frames 110 and 120 of the body part 100 to each other. The module part 300 includes a display panel 310 and a lower structure 320 disposed under the display panel 310.

[0071] The display panel 310 may generate an image and may provide the generated image to the front surface. The display panel 310 may provide the generated image in a display direction. For example, the display direction may be a normal direction of the display surface DS.

[0072] As an embodiment, the display panel 310 may be an organic light emitting display panel. However, the embodiment is not limited thereto, and other types of display panels may also be included in the spirit and scope of the present invention.

[0073] As an embodiment, the display panel 310 may be a flexible display panel. The flexible display panel may include a flexible substrate (not shown) and a flexible window (not shown). In this specification, flexibility includes bendable properties, but is not limited to a structure that is bent and fully folded, and may include a structure that is bent at a level of several nanometers (nm). That is, the display panel 310 includes a flexible material.

[0074] The display panel 310 may include a display panel bending portion DP-BA corresponding to the bending area BA of the flexible display device 1 and a display panel non-bending portion DP-NBA corresponding to the non-bending area NBA of the flexible display device 1 .

[0075] The display panel curved portion DP-BA and the display panel non-curved portion DP-NBA may be connected to each other. As an embodiment, the display panel non-curved portion DP-NBA may be plural. For example, the display panel non-curved portion DP-NBA may be connected to one end of the display panel curved portion DP-BA and the other end of the display panel curved portion DP-BA.

[0076] The display panel non-curved portion DP-NBA may be disposed on both sides of the display panel curved portion DP-BA relative to the display panel curved portion DP-BA. The display panel non-curved portion DP-NBA may be disposed symmetrically relative to the display panel curved portion DP-BA. However, the embodiment is not limited thereto, and for example, the display panel non-curved portion DP-NBA may be disposed on one side of the display panel curved portion DP-BA, or the display panel non-curved portion DP-NBA may be disposed only on one side of the display panel curved portion DP-BA. In an embodiment, the display panel curved portion DP-BA may be disposed between the display panel non-curved portions DP-NBA, and the display panel curved portion DP-BA may be biased to one side of the display panel non-curved portion DP-NBA. In an embodiment, the area of ​​each display panel non-curved portion DP-NBA may be different from each other.

[0077] The lower structure 320 may be positioned between the display panel 310 and the body portion 100. The lower structure 320 may perform a buffering function to mitigate an impact of the display panel 310. The lower structure 320 may perform a light shielding function, a shielding function, and / or a heat dissipation function.

[0078] The lower structure 320 may include several areas. The lower structure 320 may include a bending support portion C-BA corresponding to the bending area BA of the flexible display device 1 and a non-bending support portion C-NBA corresponding to the non-bending area NBA of the flexible display device 1 .

[0079] As an embodiment, the lower structure 320 may be configured of a soft material disposed over the entire surface. For example, the soft material may include a silicon material. In some embodiments, the lower structure 320 may be configured of a transparent material.

[0080] However, the material of the lower structure 320 is not limited thereto, and as will be understood by those of ordinary skill in the art, other suitable materials within the spirit and scope of the present invention may be used. In an embodiment, the non-bending support portion C-NBA of the lower structure 320 may be configured of a substantially hard material, and the bending support portion C-BA of the lower structure 320 may be configured of a substantially soft material. For example, the hard material may include stainless steel (SUS) and / or a plastic material.

[0081] As an embodiment, the body portion 100 may be a housing member. The body portion 100 is used to support the display panel 310 and the lower structure 320. In some embodiments, the body portion 100 may wrap the outer surface of the display panel 310 at the back of the display surface DS.

[0082] As an embodiment, the body portion 100 may be disposed at a position overlapping the bending area BA and the non-bending area NBA. The body portion 100 may include a material such as silicon, plastic, or metal, or any other suitable material.

[0083] As an embodiment, the main body portion 100 may include a first frame 110 and a second frame 120. The first frame 110 and the second frame 120 may be arranged to face each other. When the flexible display device 1 is not bent, the first frame 110 and the second frame 120 may include facing surfaces adjacent to each other. For example, the first frame 110 may include a first side surface 111 adjacent to and facing the second frame 120, and the second frame 120 may include a second side surface 121 adjacent to and facing the first frame 110.

[0084] Alignment members (eg, magnets or any other material or structure) for properly aligning the first frame 110 and the second frame 120 may be mounted on the first side surface 111 and the second side surface 121, respectively. Figures 5 to 8 Describe its detailed description.

[0085] Various components required for the operation of the flexible display device 1 may be placed in the main body portion 100. For example, a PCB (not shown) on which a controller of the flexible display device 1 may be mounted may be placed in the first frame 110. In the first frame 110, a battery (not shown) may be placed. A flexible cable (not shown) may be connected between the first frame 110 and the second frame 120.

[0086] The first frame 110 and the second frame 120 may be connected to each other such that the first frame 110 and the second frame 120 may be rotated with respect to the bending axis X through the connection portion 200 .

[0087] As an embodiment, the connection portion 200 may be a hinge assembly. The hinge assembly may be provided at a position overlapping the bending area BA and the display panel bending portion DP-BA.

[0088] The hinge assembly may provide the first frame 110 and the second frame 120 with a bending axis X. The first frame 110 and the second frame 120 may be rotated using the hinge assembly as the bending axis X. The bending axis X of the flexible display apparatus 1 may be defined by the connection portion 200 .

[0089] The shape of the connecting portion 200 may vary. The shape of the connecting portion 200 is not limited to the shape shown in the figure. For example, the connecting portion 200 may be in the form of a hinged assembly including at least one joint.

[0090] Although not shown, the flexible display apparatus 1 may include a rear surface cover provided on a lower surface of the body portion 100 .

[0091] The flexible display device 1 may be curved. In some embodiments, the flexible display device 1 may be inwardly foldable or outwardly foldable.

[0092] Reference Figure 3 , Figure 3 The flexible display device 1a is shown in a state where the display surface DS moves to the inside in the inward folded state. When the flexible display device 1a is inwardly folded, a bending axis X may be formed on the display surface DS. For example, a hinge assembly may be provided on the upper surface of the first frame 110 and the upper surface of the second frame 120.

[0093] Reference Figure 4 , Figure 4 The flexible display device 1b is shown in a state where the display surface DS is moved to the outside in the external folded state. When the flexible display device 1b is externally folded, the bending axis X may be formed below the display surface DS. For example, the hinge assembly may be provided on the lower surface of the first frame 110 and the second frame 120. For example, the bending axis X may be formed at a substantially upper side position of the first side surface 111 and the second side surface 121 (a position adjacent to the upper sides 111a and 121a, see Figure 5 ) place.

[0094] As an embodiment, the flexible display device 1 may be configured to be folded inwardly or outwardly in one bending area BA, but is not limited thereto. In the following description, the flexible display device 1 is folded inwardly in the bending area BA. A state in which the flexible display device is not bent (or unfolded) may be referred to as a first state, and a state in which the flexible display device is bent (or folded) may be referred to as a second state.

[0095] As an embodiment, in the second state, the radius of curvature of the bending area BA may be about 5 mm or less. For example, the radius of curvature may represent a radius of curvature formed by the inner surface of the bending area BA (the lower surface of the display panel 310) in the second state. For example, the radius of curvature of the flexible display device 1 may be in the range of about 1 mm or more and about 5 mm or less.

[0096] Will refer to Figures 5 to 8 The automatic alignment between the first side surface 111 of the first frame 110 and the second side surface 121 of the second frame 120 in the state where the flexible display apparatus 1 is unfolded is described in detail.

[0097] Figure 5 is an exploded perspective view of a flexible display device according to an embodiment. Figure 6 yes Figure 5 Side view of the FF1 region. Figure 7 yes Figure 5 Side view of the FF2 region. Figure 8 is a diagram used to describe the alignment between facing magnetic regions. Figure 5 , the FF1 region may correspond to the first side surface 111 of the first frame 110 , and the FF2 region may correspond to the second side surface 121 of the second frame 120 .

[0098] In the following, unless otherwise specified, the description corresponds to the description of the first state. Figures 5 to 8 In the first state, the first side surface 111 of the first frame 110 and the second side surface 121 of the second frame 120 may face each other.

[0099] The upper side 111a of the first frame 110 and the upper side 121a of the second frame 120 may face each other. The lower side 111b of the first frame 110 and the lower side 121b of the second frame 120 may face each other. The left side 111c of the first frame 110 and the right side 121d of the second frame 120 may face each other. The right side 111d of the first frame 110 and the left side 121c of the second frame 120 may face each other. In addition to what is described and shown in the drawings, the sides of the first frame 110 and the second frame 120 and the facing of the sides relative to each other may be changed.

[0100] It can be understood that the above-mentioned upper sides 111a and 121a, lower sides 111b and 121b, left sides 111c and 121c, and right sides 111d and 121d refer to relative positions and are not limited by the terms.

[0101] The first frame 110 and the second frame 120 of the flexible display device 1 may be magnetically connected in the first state. That is, a magnetic coupling between the first side surface 111 of the first frame 110 and the second side surface 121 of the second frame 120 may occur.

[0102] The first side surface 111 of the first frame 110 and the second side surface 121 of the second frame 120 may include the magnetic areas MA1 to MA6 and the non-magnetic area NMA.

[0103] The magnetic region may be defined as a region having magnetism on the surface. One magnetic region may include sub-magnetic regions Sub-MA1 and Sub-MA2 having at least one polarity or two polarities.

[0104] The sub-magnetic regions Sub-MA1 and Sub-MA2 include a first sub-magnetic region Sub-MA1 having a first polarity and a second sub-magnetic region Sub-MA2 having a second polarity. As an example, the first polarity and the second polarity correspond to different polarities between which an attractive force acts. For example, the first polarity may be the polarity of an "S" pole, and the second polarity may be the polarity of an "N" pole. A repulsive force acts between the same polarities.

[0105] One magnetic region (e.g., MA1) may have a matrix form, in which the first sub-magnetic region Sub-MA1 and the second sub-magnetic region Sub-MA2 are alternately arranged at least once in the row direction, and the first sub-magnetic region Sub-MA1 and the second sub-magnetic region Sub-MA2 are alternately arranged at least once in the column direction. As an embodiment, the first sub-magnetic region Sub-MA1 and the second sub-magnetic region Sub-MA2 adjacent to each other in one magnetic region may be arranged to contact each other.

[0106] In the specification, it can be understood that the row direction and the column direction are relative directions, which means that the row direction corresponds to the left direction and the right direction in the drawings, and the column direction corresponds to the upper direction and the lower direction in the drawings. For example, the row direction may correspond to the second direction axis DR2, and the column direction may correspond to the third direction axis DR3.

[0107] As an embodiment, the first sub magnetic region Sub- MA1 and the second sub magnetic region Sub- MA2 adjacent to each other in one magnetic region (eg, MA1 ) may be positioned to contact each other.

[0108] In an embodiment, an example will be described in which one magnetic region includes sub-magnetic regions arranged in a 2×2 matrix form. For example, the one magnetic region may be in a matrix form in which: the first sub-magnetic region Sub-MA1 is located in the first row and the first column, the second sub-magnetic region Sub-MA2 is located in the first row and the second column, the second sub-magnetic region Sub-MA2 is located in the second row and the first column, and the first sub-magnetic region Sub-MA1 is located in the second row and the second column. As an example, the first side surface 111 and the second side surface 121 may include three magnetic regions MA1 to MA3 and three magnetic regions MA4 to MA6, respectively.

[0109] Each sub-magnetic region may be a region defined by a magnetic substance having one polarity, or a region magnetized to have one polarity.

[0110] As an embodiment, a thin magnet having a surface polarity of “S” pole may be installed in the first sub-magnetic region Sub-MA1 in each of the frames 110 and 120. A thin magnet having a surface polarity of “N” pole may be installed in the second sub-magnetic region Sub-MA2 in each of the frames 110 and 120.

[0111] The nonmagnetic region NMA may be defined as a region having no magnetism on the surface. The nonmagnetic region NMA may distinguish the adjacent magnetic regions MA1 to MA6. For example, the nonmagnetic region NMA may surround the boundary of one magnetic region (eg, MA1).

[0112] As an embodiment, the first side surface 111 of the first frame 110 may include the first magnetic area MA1, the second magnetic area MA2 and the third magnetic area MA3 separated by the non-magnetic area NMA. The second side surface 121 of the second frame 120 may include the fourth magnetic area MA4, the fifth magnetic area MA5 and the sixth magnetic area MA6 separated by the non-magnetic area NMA.

[0113] The first magnetic region MA1 and the sixth magnetic region MA6 may be positioned on the corresponding side surfaces 111 and 112 to face each other. The second magnetic region MA2 and the fifth magnetic region MA5 may be positioned on the corresponding side surfaces 111 and 112 to face each other. The third magnetic region MA3 and the fourth magnetic region MA4 may be positioned on the corresponding side surfaces 111 and 112 to face each other. The term "facing each other" may include directly facing or indirectly facing. Facing may also be defined by folding or bending of the display.

[0114] As an implementation method, refer to Figure 6 , the first magnetic region MA1, the second magnetic region MA2, and the third magnetic region MA3 in the first side surface 111 may be sequentially spaced apart in the row direction. Figure 7 , the fourth magnetic area MA4, the fifth magnetic area MA5 and the sixth magnetic area MA6 in the second side surface 121 may be sequentially spaced apart in the row direction. However, the arrangement form and number of the magnetic areas MA1 to MA6 in each of the side surfaces 111 and 112 are not limited to the arrangement form and number shown in the figure. In an embodiment, the magnetic areas MA1 to MA6 may be arranged in the row direction and the column direction.

[0115] As an embodiment, the first sub-magnetic region Sub-MA1 (e.g., “S” pole) located in the first row and first column of the first magnetic region MA1 and the second sub-magnetic region Sub-MA2 (e.g., “N” pole) located in the first row and second column of the sixth magnetic region MA6 may have the same area and may face each other. The second sub-magnetic region Sub-MA2 (e.g., “N” pole) located in the first row and second column of the first magnetic region MA1 and the first sub-magnetic region Sub-MA1 (e.g., “S” pole) located in the first row and first column of the sixth magnetic region MA6 may have the same area and may face each other. The second sub-magnetic region Sub-MA2 (e.g., “N” pole) located in the second row and first column of the first magnetic region MA1 and the first sub-magnetic region Sub-MA1 (e.g., “S” pole) located in the second row and second column of the sixth magnetic region MA6 may have the same area and may face each other. The first sub-magnetic region Sub-MA1 (e.g., "S" pole) located in the second row and second column of the first magnetic region MA1 and the second sub-magnetic region Sub-MA2 (e.g., "N" pole) located in the second row and first column of the sixth magnetic region MA6 may have the same area and may face each other. Therefore, an attractive force may act between the first magnetic region MA1 of the first side surface 111 and the sixth magnetic region MA6 of the second side surface 121.

[0116] For example, since each sub-magnetic region of the first magnetic region MA1 and each sub-magnetic region of the sixth magnetic region MA6 are arranged in a matrix form to have substantially the same area, the first magnetic region MA1 and the sixth magnetic region MA6 can be aligned. The attractive force acts between the first sub-magnetic region Sub-MA1 arranged in the first magnetic region MA1 and the second sub-magnetic region Sub-MA2 arranged in the sixth magnetic region MA6 facing the first sub-magnetic region Sub-MA1, and the repulsive force acts between the first sub-magnetic region Sub-MA1 arranged in the first magnetic region MA1 and the first sub-magnetic region Sub-MA1 arranged in the sixth magnetic region MA6 and adjacent to the second sub-magnetic region Sub-MA2. Therefore, the first magnetic region MA1 and the sixth magnetic region MA6 can be substantially aligned. It should be understood that the polarity assignment as "S" or "N" with respect to the sub-magnetic region is not limited to the polarity assignment shown in the figure. As will be understood by a person of ordinary skill in the art, other configurations within the spirit and scope of the present invention may also be reasonable.

[0117] For example, refer to Figure 8, the horizontal line b and the vertical line a dividing each of the sub-magnetic regions Sub-MA1 and Sub-MA2 of the first magnetic region MA1 and the boundary line c defining the first magnetic region MA1 can be aligned with the horizontal line b' and the vertical line a' dividing each of the sub-magnetic regions Sub-MA1 and Sub-MA2 of the sixth magnetic region MA6 and the boundary line c' defining the sixth magnetic region MA6.

[0118] The relationship between the first magnetic region MA1 and the sixth magnetic region MA6 may be equally applied to the relationship between the second magnetic region MA2 and the fifth magnetic region MA5 and the relationship between the third magnetic region MA3 and the fourth magnetic region MA4 .

[0119] Therefore, by each of the magnetic areas MA1 to MA6 located on the first side surface 111 and the second side surface 121, an attractive force due to magnetic attraction may be generated between the first side surface 111 of the first frame 110 and the second side surface 121 of the second frame 120 facing the first side surface 111. When the flexible display device 1 is in the first state, an attractive force may be generated between the first frame 110 and the second frame 120. The first frame 110 and the second frame 120 may be automatically aligned and placed at a designated position.

[0120] When the first frame 110 and the second frame 120 are automatically aligned at designated positions, the degree of bending deformation that may occur in the lower structure 320 and the display panel 310 disposed on the first frame 110 and the second frame 120 (for example, in the display panel bent portion DP-BA) can be improved.

[0121] Other flexible display devices according to the embodiments will be described. Figures 1 to 8 The same components are described in detail, and the same or similar reference numerals are used for the same components. Figures 1 to 8 The components are the same components.

[0122] Fig. 9 is an exploded perspective view of a flexible display device according to an embodiment. Fig.10 yes Fig. 9 Side view of the FF1_1 region. Fig.11 yes Fig. 9 Side view of the FF2_1 region.

[0123] Reference Figures 9 to 11 The flexible display device 2 according to this embodiment is different from the flexible display device 2 according to Figures 5 to 7The flexible display device 1 of the embodiment is different in that the flexible display device 2 includes a magnetic region (e.g., MA7) located on the first side surface 111_1 and another magnetic region (e.g., MA10) located on the second side surface 121_1, the other magnetic region facing the one magnetic region and having the same polarity as the one magnetic region.

[0124] As an embodiment, the first side surface 111_1 of the first frame 110_1 and the second side surface 121_1 of the second frame 120_1 may include not only an area where an attractive force acts, but also an area where a repulsive force acts. The upper side 111_1a of the first frame 110_1 and the upper side 121_1a of the second frame 120_1 may face each other. The lower side 111_1b of the first frame 110_1 and the lower side 121_1b of the second frame 120_1 may face each other. The left side 111_1c of the first frame 110_1 and the right side 121_1d of the second frame 120_1 may face each other. The right side 111_1d of the first frame 110_1 and the left side 121_1c of the second frame 120_1 may face each other.

[0125] As an embodiment, the first frame 110_1 may include a seventh magnetic region MA7 disposed between the first magnetic region MA1 and the second magnetic region MA2 and an eighth magnetic region MA8 disposed between the second magnetic region MA2 and the third magnetic region MA3 on the first side surface 111_1. That is, the first magnetic region MA1, the seventh magnetic region MA7, the second magnetic region MA2, the eighth magnetic region MA8 and the third magnetic region MA3 may be sequentially spaced apart in the row direction.

[0126] Accordingly, the second frame 120_1 may include a ninth magnetic region MA9 disposed between the fourth magnetic region MA4 and the fifth magnetic region MA5 and a tenth magnetic region MA10 disposed between the fifth magnetic region MA5 and the sixth magnetic region MA6 on the second side surface 121_1. The fourth magnetic region MA4, the ninth magnetic region MA9, the fifth magnetic region MA5, the tenth magnetic region MA10, and the sixth magnetic region MA6 may be sequentially spaced apart in the row direction.

[0127] The seventh magnetic region MA7 of the first side surface 111_1 and the tenth magnetic region MA10 of the second side surface 121_1 may be disposed to face each other, and the eighth magnetic region MA8 of the first side surface 111_1 and the ninth magnetic region MA9 of the second side surface 121_1 may be disposed to face each other.

[0128] Each of the seventh magnetic region MA7 and the tenth magnetic region MA10 may include at least one sub-magnetic region (e.g., Sub-MA2). The corresponding sub-magnetic regions (e.g., Sub-MA2) facing each other in the seventh magnetic region MA7 and the tenth magnetic region MA10 may have the same area. For example, the seventh magnetic region MA7 may include one second sub-magnetic region Sub-MA2, and the tenth magnetic region MA10 facing the seventh magnetic region MA7 may include one second sub-magnetic region Sub-MA2 having the same area as the second sub-magnetic region Sub-MA2 of the seventh magnetic region MA7.

[0129] As an embodiment, a repulsive force may act between the seventh magnetic region MA7 of the first side surface 111_1 and the tenth magnetic region MA10 of the second side surface 121_1. That is, the second sub-magnetic region Sub-MA2 included in the seventh magnetic region MA7 and the second sub-magnetic region Sub-MA2 included in the tenth magnetic region MA10 may have the same polarity.

[0130] As an embodiment, each of the first frame 110_1 and the second frame 120_1 may have a thin magnet having a surface polarity of “N” pole installed in one second sub magnetic region Sub- MA2 in the seventh magnetic region MA7 and one second sub magnetic region Sub- MA2 in the tenth magnetic region MA10 .

[0131] The description of the seventh magnetic region MA7 of the first side surface 111_1 and the tenth magnetic region MA10 of the second side surface 121_1 may be equally applied to the eighth magnetic region MA8 of the first side surface 111_1 and the ninth magnetic region MA9 of the second side surface 121_1 .

[0132] The first frame 110_1 and the second frame 120_1 can be easily aligned by the first to sixth magnetic regions MA1 to MA6 acting by attraction, and the distance D1 between the frames 110_1 and 120_1 can be maintained by the seventh to tenth magnetic regions MA7 to MA10 acting by repulsion. As an embodiment, the distance D1 may be in the range of about 50 μm to about 300 μm.

[0133] For example, in the first state, side surfaces facing each other between the first frame 110_1 and the second frame 120_1 may be spaced apart from each other by an appropriate distance, and thus the degree of bending deformation that may occur in the lower structure 320 and the display panel 310 disposed on the first frame 110_1 and the second frame 120_1 may be improved.

[0134] Embodiments are not limited to the number of magnetic regions MA1 to MA10, the number of sub-magnetic regions Sub-MA1 and Sub-MA2, and their arrangement shown in the drawings. Embodiments may be applicable, for example, to a case where both an area acting with an attractive force and an area acting with a repulsive force are included between facing side surfaces of the first frame 110_1 and the second frame 120_1.

[0135] Fig.12 is an exploded perspective view of a flexible display device according to an embodiment. Fig.13 yes Fig.12 Side view of the FF1_2 region. Fig.14 yes Fig.12 Side view of the FF2_2 region.

[0136] Reference Figure 12 to Figure 14 The flexible display device 3 according to the embodiment and the flexible display device 3 according to the embodiment Figures 5 to 7 The flexible display device 1 of the embodiment of the present invention is different in that each of the frames 110_2 and 120_2 includes an electromagnet 131 to 134. The upper side 111_2a of the first frame 110_2 and the upper side 121_2a of the second frame 120_2 may face each other. The lower side 111_2b of the first frame 110_2 and the lower side 121_2b of the second frame 120_2 may face each other. The left side 111_2c of the first frame 110_2 and the right side 121_2d of the second frame 120_2 may face each other. The right side 111_2d of the first frame 110_2 and the left side 121_2c of the second frame 120_2 may face each other.

[0137] As an embodiment, the first frame 110_2 may include an eleventh magnetic region MA11 disposed between the first magnetic region MA1 and the second magnetic region MA2 and a twelfth magnetic region MA12 disposed between the second magnetic region MA2 and the third magnetic region MA3 on the first side surface 111_2. That is, the first magnetic region MA1, the eleventh magnetic region MA11, the second magnetic region MA2, the twelfth magnetic region MA12, and the third magnetic region MA3 may be sequentially spaced apart in the row direction.

[0138] Accordingly, the second frame 120_2 may include a thirteenth magnetic region MA13 disposed between the fourth magnetic region MA4 and the fifth magnetic region MA5 and a fourteenth magnetic region MA14 disposed between the fifth magnetic region MA5 and the sixth magnetic region MA6 on the second side surface 121_2. That is, the fourth magnetic region MA4, the thirteenth magnetic region MA13, the fifth magnetic region MA5, the fourteenth magnetic region MA14 and the sixth magnetic region MA6 may be sequentially spaced apart in the row direction.

[0139] The eleventh magnetic region MA11 of the first side surface 111_2 and the fourteenth magnetic region MA14 of the second side surface 121_2 may be disposed to face each other, and the twelfth magnetic region MA12 of the first side surface 111_2 and the thirteenth magnetic region MA13 of the second side surface 121_2 may be disposed to face each other.

[0140] The first frame 110_2 may include an eleventh magnetic region MA11, a first electromagnet 131 installed in the eleventh magnetic region MA11, a twelfth magnetic region MA12, and a second electromagnet 132 installed in the twelfth magnetic region MA12. The second frame 120_2 may include a thirteenth magnetic region MA13, a third electromagnet 133 installed in the thirteenth magnetic region MA13, a fourteenth magnetic region MA14, and a fourth electromagnet 134 installed in the fourteenth magnetic region MA14.

[0141] As an embodiment, each of the electromagnets 131 to 134 may be implemented in the form of a coil through which current flows. However, the implementation form of the electromagnets 131 to 134 is not limited to the implementation form shown in the drawings, but may be implemented in various forms within the spirit and scope of the present invention.

[0142] The polarity of the magnetic regions MA11 to MA14 of the respective side surfaces 111_2 and 121_2 corresponding to the electromagnets 131 to 134 can be freely selected to meet the design requirements as will be understood by a person of ordinary skill in the art. When the electromagnets 131 to 134 are mounted on each of the frames 110_2 and 120_2, the flexible display device 3 can be freely controlled so that an attractive force acts between the facing electromagnets, a repulsive force acts between the facing electromagnets, or a force does not act between the facing electromagnets. The flexible display device 3 can freely control the magnitude of the attractive force or repulsive force between the facing electromagnets 131 to 134.

[0143] When attraction acts between the facing electromagnets 131 to 134 in the first frame 110_2 and the second frame 120_2, the first frame 110_2 and the second frame 120_2 may be automatically aligned and positioned. When repulsion acts between the facing electromagnets 131 to 134 in the first frame 110_2 and the second frame 120_2, in the first state, the side surfaces of the first frame 110_2 and the second frame 120_2 facing each other may be spaced apart from each other by an appropriate distance.

[0144] The present embodiment is not limited to the number of magnets (not shown), the number of electromagnets 131 to 134, the number of magnetic regions MA1 to MA6 and MA11 to MA14, the number of sub-magnetic regions Sub-MA1 and Sub-MA2, and their arrangement. In addition, the shapes and materials of the magnets and electromagnets are not limited, and as will be understood by a person of ordinary skill in the art, any suitable magnet, electromagnet, or other attractive material within the spirit and scope of the present invention may be used. The embodiment may be applicable to a case in which the electromagnets 131 to 134 are mounted on facing side surfaces of the first frame 110_2 and the second frame 120_2. For example, the embodiment may be applicable to magnetic regions MA1 to MA6 and MA11 to MA14 that use electromagnets 131 to 134 to perform the above-mentioned functions.

[0145] Fig.15 is an exploded perspective view of a flexible display device according to an embodiment. Fig.16 yes Fig.15 Side view of the FF1_3 region. Fig.17 yes Fig.15 Side view of the FF2_3 region. Fig.18 yes Fig.15 Schematic cross-sectional view of a flexible display device.

[0146] Reference Figures 15 to 18 , the flexible display device 4 according to the embodiment and the flexible display device according to Figure 2 as well as Figures 5 to 7 The flexible display device 1 of the embodiment is different in that the flexible display device 4 may include one magnetic region (e.g., MA7_1, MA8_1, or MA15) positioned on the first side surface 111_3 and another magnetic region (MA9_1, MA10_1, or MA16) located on the second side surface 121_3, the other magnetic region facing the one magnetic region (e.g., MA7_1, MA8_1, or MA15) and having the same polarity as the one magnetic region (e.g., MA7_1, MA8_1, or MA15). The flexible display device 4 according to the embodiment is different from the flexible display device 4 according to the embodiment Figures 8 to 10 The flexible display device 2 of the embodiment of the present invention is different in that the arrangement or layout of the magnetic areas MA1_1 to MA10_1, MA15 and MA16 are different from each other. The upper side 111_3a of the first frame 110_3 and the upper side 121_3a of the second frame 120_3 may face each other. The lower side 111_3b of the first frame 110_3 and the lower side 121_3b of the second frame 120_3 may face each other. The left side 111_3c of the first frame 110_3 and the right side 121_3d of the second frame 120_3 may face each other. The right side 111_3d of the first frame 110_3 and the left side 121_3c of the second frame 120_3 may face each other.

[0147] As an embodiment, the first frame 110_3 may include, on the first side surface 111_3, a seventh magnetic region MA7_1 spaced apart from the first magnetic region MA1_1 in the column direction, an eighth magnetic region MA8_1 spaced apart from the second magnetic region MA2_1 in the column direction, and a fifteenth magnetic region MA15 spaced apart from the third magnetic region MA3_1 in the column direction. For example, the first magnetic region MA1_1, the second magnetic region MA2_1, and the third magnetic region MA3_1 may be spaced apart from the seventh magnetic region MA7_1, the eighth magnetic region MA8_1, and the fifteenth magnetic region MA15 in the third direction DR3.

[0148] The second frame 120_3 may include, on the second side surface 121_3 , a ninth magnetic region MA9_1 spaced apart from the fourth magnetic region MA4_1 in the column direction, a tenth magnetic region MA10_1 spaced apart from the fifth magnetic region MA5_1 in the column direction, and a sixteenth magnetic region MA16 spaced apart from the sixth magnetic region MA6_1 in the column direction.

[0149] As an embodiment, the seventh magnetic region MA7_1 of the first side surface 111_3 may face the sixteenth magnetic region MA16 of the second side surface 121_3. The seventh magnetic region MA7_1 and the sixteenth magnetic region MA16 may have the same polarity and the same area.

[0150] The relationship between the seventh magnetic region MA7_1 and the sixteenth magnetic region MA16 can be equally applied to the relationship between the eighth magnetic region MA8_1 of the first side surface 111_3 and the tenth magnetic region MA10_1 of the second side surface 121_3. Similarly, the relationship between the seventh magnetic region MA7_1 and the sixteenth magnetic region MA16 can be equally applied to the relationship between the fifteenth magnetic region MA15 of the first side surface 111_3 and the ninth magnetic region MA9_1 of the second side surface 121_3.

[0151] As an embodiment, the seventh magnetic region MA7_1, the eighth magnetic region MA8_1 and the fifteenth magnetic region MA15 of the first side surface 111_3 may be positioned at a position relatively closer to the bending axis X than the first magnetic region MA1_1, the second magnetic region MA2_1 and the third magnetic region MA3_1 (a position closer to the display panel 310 when the flexible display panel is folded inwardly), wherein a repulsive force acts between the facing magnetic regions (e.g., MA9_1, MA10_1 and MA16) and the seventh magnetic region MA7_1, the eighth magnetic region MA8_1 and the fifteenth magnetic region MA15, and an attractive force acts between the facing magnetic regions (e.g., MA4_1, MA5_1 and MA6_1) and the first magnetic region MA1_1, the second magnetic region MA2_1 and the third magnetic region MA3_1. As in the first side surface 111_3 of the first frame 110_1, the second frame 120_3 may also have a setting relationship corresponding to the first side surface 111_3 on the second side surface 121_3.

[0152] In contrast to the example in which the first frame 110_3 and the second frame 120_3 maintain an angle of about 180° in the first state of the embodiment, the flexible display device 4 of the embodiment may maintain an angle θ of 180° or more in the first state. As an embodiment, in the first state, the first frame 110_3 and the second frame 120_3 may maintain an angle θ of about 180° to about 183° in a direction in which the display panel 310 may be disposed.

[0153] When the first frame 110_3 and the second frame 120_3 maintain an angle of about 180° or more, the degree of bending deformation that may occur in the lower structure 320 and the display panel 310 disposed on the first frame 110_3 and the second frame 120_3 may be improved.

[0154] Although the present disclosure has been described with reference to the accompanying drawings, those skilled in the art will understand and appreciate that, without departing from the spirit and scope of the present invention, embodiments may be implemented in other forms. Therefore, it should be understood that the above embodiments are illustrative rather than restrictive.

Claims

1. Flexible display device, comprising: A display panel including a curved portion and non-curved portions disposed on both sides of the curved portion; A main body portion, disposed below the display panel and comprising a first frame and a second frame opposite to each other; as well as a connecting portion connecting the first frame and the second frame to each other and defining a bending axis, wherein the first frame and the second frame include facing surfaces, the facing surfaces include a plurality of magnetic regions and non-magnetic regions, The plurality of magnetic regions are separated from each other by the non-magnetic region, Two magnetic regions among the plurality of magnetic regions are respectively disposed in the first frame and the second frame and face each other and have opposite polarities so that the two magnetic regions attract each other, and Two different magnetic regions among the plurality of magnetic regions are respectively disposed in the first frame and the second frame and face each other and have the same polarity, so that the two different magnetic regions repel each other.

2. The flexible display device according to claim 1, wherein: An attractive force is maintained between the first frame and the second frame.

3. The flexible display device according to claim 1, wherein: A distance between the facing surfaces of the first frame and the second frame is in a range of 50 μm to 300 μm.

4. The flexible display device according to claim 1, wherein: The first frame and the second frame have an angle of 180° to 183° in a direction in which the display panel is disposed.

5. The flexible display device according to claim 1, wherein: Each of the first frame and the second frame includes at least one electromagnet installed in the plurality of magnetic regions.

6. The flexible display device according to claim 1, wherein: The display panel is folded inwardly about the bending axis so that the display surface of the flexible display device moves to the inside.

7. The flexible display device according to claim 1, wherein: When the flexible display device switches from a bent state to an unfolded state, the first frame and the second frame are automatically aligned.

8. The flexible display device according to claim 7, wherein: The connecting portion overlaps the bent portion of the display panel, The first frame and the second frame overlap the non-bending portion of the display panel and rotate around the connecting portion, and In the unfolded state of the flexible display device, the first frame and the second frame are spaced apart from each other.

9. The flexible display device according to claim 1, further comprising: The lower structure performs a light shielding function, a shielding function, and a heat dissipation function, and is disposed between the display panel and the main body portion.

10. The flexible display device according to claim 1, further comprising: The lower structure performs a light shielding function, a shielding function or a heat dissipation function and is disposed between the display panel and the main body.

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