Electronic device

Abstract

An embodiment of the present invention relates to an electronic device including a stretchable display device and a pressing unit fixed to the display device to press the display device. The pressing unit includes: a frame unit; a plate unit disposed on the frame unit and having magnetism; and a stroke module disposed between the frame unit and the plate unit and movable in a first direction and a second direction intersecting the first direction with respect to the frame unit. The stroke module includes a stroke unit capable of switching between a first state in which the stroke unit is magnetized and a second state in which the stroke unit is demagnetized, the stroke unit being movable in a 3-1 direction toward the plate unit and a 3-2 direction away from the plate unit.

Description

electronic devices

[0001] Embodiments of the present invention relate to electronic devices, such as flexible display devices.

[0002] As display devices that visually display electrical signals advance, various display devices with excellent characteristics such as thinness, lightness, and low power consumption are being introduced. For example, flexible display devices that can be folded or rolled into a roll shape are being introduced. Recently, research and development on display devices of various structures, such as stretchable display devices that can change into various shapes, is actively underway.

[0003] Embodiments of the present invention provide a display device, such as a flexible display device.

[0004] An embodiment of the present invention discloses an electronic device comprising a retractable display device and a pressure member fixed to the display device and applying pressure to the display device, wherein the pressure member comprises: a frame member; a plate member disposed on the frame member and having magnetic properties; and a stroke module disposed between the frame member and the plate member and movable in a first direction relative to the frame member and a second direction intersecting the first direction; wherein the stroke module comprises a stroke member that is switchable between a first state having magnetic properties and a second state in which magnetic properties are extinguished, and movable in a third-1 direction toward the plate member and a third-2 direction toward the plate member.

[0005] In one embodiment, the stroke portion can press the plate portion in the first state.

[0006] In one embodiment, the stroke portion presses the plate portion in the third-1 direction, and at least some of the display devices may be extended in the third-1 direction.

[0007] In one embodiment, the stroke portion presses the plate portion in the third-2 direction, and at least some of the display devices may be extended in the third-2 direction.

[0008] In one embodiment, the stroke portion can be switched from the first state to the second state and can move in the third-2 direction to be spaced apart from the plate portion.

[0009] In one embodiment, the stroke portion may include a body portion; and a roller portion connected to the body portion toward the third-1 direction so as to be freely rotatable with respect to the body portion.

[0010] In one embodiment, while the pressurizing part is pressing the display device, the stroke module can move toward at least one of the first direction and the second direction with respect to the frame part so that the roller part rotates.

[0011] In one embodiment, the stroke module is provided in multiple numbers, and the multiple stroke modules can move independently.

[0012] In one embodiment, the plurality of stroke modules can each press the plate portion at different locations.

[0013] In one embodiment, the stroke portion may include at least one of an electromagnet and an electric permanent magnet.

[0014] In one embodiment of the present invention, an electronic device comprising a stretchable display device and a pressure member fixed to the display device and applying pressure to the display device is disclosed, wherein the pressure member comprises: a frame member; a plate member disposed on the frame member and having magnetic properties; and a stroke module disposed between the frame member and the plate member, movable with respect to the frame member in a first direction and a second direction intersecting the first direction, and applying pressure to the plate member; wherein the plate member comprises a first region and a plurality of second regions having a different elongation rate from the first region.

[0015] In one embodiment, the stroke module may include a stroke portion that is switchable between a first state having magnetism and a second state in which magnetism is extinguished, and is movable in a third-1 direction toward the plate portion and a third-2 direction away from the plate portion.

[0016] In one embodiment, at a position where the stroke module overlaps with any one of the plurality of second regions, the stroke portion can press the plate portion in the first state.

[0017] In one embodiment, the stroke portion presses the plate portion in the third-1 direction, and at least some of the display devices may be extended in the third-1 direction.

[0018] In one embodiment, the stroke portion presses the plate portion in the third-2 direction, and at least some of the display devices may be extended in the third-2 direction.

[0019] In one embodiment, the stroke portion can be switched from the first state to the second state and can move in the third-2 direction to be spaced apart from the plate portion.

[0020] In one embodiment, the stroke portion may include a body portion; and a roller portion connected to the body portion toward the third-1 direction so as to be freely rotatable with respect to the body portion.

[0021] In one embodiment, while the pressurizing part is pressing the display device, the stroke module can move toward at least one of the first direction and the second direction with respect to the frame part so that the roller part rotates.

[0022] In one embodiment, the stroke portion may include at least one of an electromagnet and an electric permanent magnet.

[0023] In one embodiment, the stroke module is provided in a plurality of units, and the plurality of stroke modules move independently and can each press the plate portion at different positions.

[0024] Other aspects, features, and advantages other than those described above will become clear from the following drawings, claims, and detailed description of the invention.

[0025] According to one embodiment of the present invention, a display device capable of preventing damage caused by stress concentration and capable of stretching in various directions can be provided. These effects are exemplary, and the scope of the present invention is not limited by the aforementioned effects.

[0026] FIG. 1 is a schematic perspective view of a display device according to one embodiment of the present invention.

[0027] FIGS. 2a and FIGS. 2b are perspective views showing the display device of FIG. 1 extended in a first direction.

[0028] FIG. 2c is a perspective view showing the display device of FIG. 1 extended in a second direction.

[0029] FIG. 2d is a perspective view showing the display device of FIG. 1 extended in the first direction and the second direction.

[0030] FIG. 2e is a perspective view showing the display device of FIG. 1 extended in a third direction.

[0031] FIG. 3 is a schematic plan view of a display device according to one embodiment of the present invention.

[0032] FIG. 4a is a plan view of part IV of FIG. 3 as a part of a display device according to one embodiment of the present invention.

[0033] FIG. 4b is a plan view of part IV of FIG. 3 as a part of a display device according to one embodiment of the present invention.

[0034] FIG. 4c is a plan view of the IV portion of FIG. 3 as a part of a display device according to one embodiment of the present invention.

[0035] FIG. 5 is a cross-sectional view schematically showing a first island portion and a first bridge portion disposed in the display area of ​​a display device according to one embodiment of the present invention.

[0036] FIGS. 6a to 6c are equivalent circuit diagrams of subpixels of a display device according to one embodiment of the present invention.

[0037] FIG. 7a is a cross-sectional view schematically showing a light-emitting element of a display device according to one embodiment of the present invention.

[0038] FIG. 7b is a cross-sectional view schematically showing a light-emitting element of a display device according to one embodiment of the present invention.

[0039] FIGS. 8a and FIGS. 8b are schematic perspective views of an electronic device according to one embodiment of the present invention.

[0040] FIG. 9 is an exploded perspective view schematically showing a pressurizing part according to one embodiment of the present invention.

[0041] FIG. 10a is a cross-sectional view schematically showing a pressurizing part according to one embodiment of the present invention.

[0042] FIG. 10b is a schematic plan view of a pressurizing part according to one embodiment of the present invention.

[0043] FIG. 10c is a cross-sectional view schematically showing a pressurizing part according to one embodiment of the present invention.

[0044] FIG. 10d is a schematic plan view of a pressurizing part according to one embodiment of the present invention.

[0045] FIGS. 10e to 10i are cross-sectional views schematically showing a pressurizing part according to one embodiment of the present invention.

[0046] FIG. 11a is a cross-sectional view schematically showing a pressurizing part according to one embodiment of the present invention.

[0047] FIG. 11b is a cross-sectional view schematically showing a pressurizing part according to one embodiment of the present invention.

[0048] FIG. 12 is an exploded perspective view schematically showing a pressurizing part according to one embodiment of the present invention.

[0049] FIG. 13a is a cross-sectional view schematically showing a pressurizing part according to one embodiment of the present invention.

[0050] FIG. 13b is a schematic plan view of a pressurizing part according to one embodiment of the present invention.

[0051] FIG. 13c is a cross-sectional view schematically showing a pressurizing part according to one embodiment of the present invention.

[0052] FIG. 13d is a schematic plan view of a pressurizing part according to one embodiment of the present invention.

[0053] FIGS. 13e to 13h are cross-sectional views schematically showing a pressurizing part according to one embodiment of the present invention.

[0054] FIG. 14a is a schematic perspective view of an electronic device including a display device according to one embodiment of the present invention.

[0055] FIG. 14b is a block diagram schematically illustrating an electronic device including a display device according to one embodiment of the present invention.

[0056] FIGS. 15a to 15d are schematic perspective views illustrating embodiments of an electronic device including a display device according to one embodiment of the present invention.

[0057] FIGS. 16a to 16e are each schematic perspective views of an electronic device according to one embodiment of the present invention.

[0058] The present invention is capable of various modifications and may have various embodiments; specific embodiments are illustrated in the drawings and described in detail in the detailed description. The effects and features of the present invention, and the methods for achieving them, will become clear by referring to the embodiments described below in detail together with the drawings. However, the present invention is not limited to the embodiments disclosed below but can be implemented in various forms.

[0059] Hereinafter, embodiments of the present invention will be described in detail with reference to the attached drawings. When describing with reference to the drawings, identical or corresponding components are given the same reference numerals, and redundant descriptions thereof will be omitted.

[0060] In the following embodiments, terms such as first, second, etc. are used not in a limiting sense, but for the purpose of distinguishing one component from another component.

[0061] As used herein, the term "substantially" means "approximately" or "in fact."

[0062] The term "substantially equal" means "approximately or factually identical."

[0063] The term "substantially the same" means "approximately or factually the same."

[0064] The term "substantially perpendicular" means "approximately or actually perpendicular."

[0065] The term "substantially parallel" means "approximately or in fact parallel."

[0066] In the following examples, singular expressions include plural expressions unless the context clearly indicates otherwise.

[0067] In the following embodiments, terms such as "include" or "have" mean that the features or components described in the specification are present, and do not preclude the possibility that one or more other features or components may be added.

[0068] In the following embodiments, when a part such as a film, region, or component is described as being on or above another part, it includes not only cases where it is directly on top of another part, but also cases where another film, region, or component is interposed in between.

[0069] In the drawings, the size of components may be exaggerated or reduced for convenience of explanation. For example, the size and thickness of each component shown in the drawings are depicted arbitrarily for convenience of explanation, so the present invention is not necessarily limited to what is illustrated.

[0070] In the following embodiments, the x-axis, y-axis, and z-axis are not limited to three axes in an orthogonal coordinate system and can be interpreted in a broader sense that includes them. For example, the x-axis, y-axis, and z-axis may be orthogonal to each other, but they may also refer to different directions that are not orthogonal to each other.

[0071] Where an embodiment can be implemented differently, a specific process sequence may be performed differently from the order described. For example, two processes described consecutively may be performed substantially simultaneously or proceed in the reverse order of the description.

[0072] FIG. 1 is a schematic perspective view of a display device (1) according to an embodiment of the present invention. FIG. 2a and FIG. 2b are perspective views showing the display device (1) of FIG. 1 extended in a first direction. FIG. 2c is a perspective view showing the display device (1) of FIG. 1 extended in a second direction. FIG. 2d is a perspective view showing the display device of FIG. 1 extended in the first direction and the second direction. FIG. 2e is a perspective view showing the display device (1) of FIG. 1 extended in a third direction.

[0073] Referring to FIG. 1, a display device (1) may include a display area (DA) and a non-display area (NDA). The display area (DA) may include a plurality of pixels. The display device (1) may provide a predetermined image using light emitted from a plurality of pixels. The non-display area (NDA) may be placed outside the display area (DA). The non-display area (NDA) is an area where pixels are not placed and may completely surround the display area (DA).

[0074] The display device (1) can be extended or shortened in various directions. The display device (1) can be extended in a first direction (e.g., x direction and / or -x direction) by an external force applied by an external object or a user. In one embodiment, as shown in FIGS. 2a and 2b, the display area (DA) and / or non-display area (NDA) of the display device (1) can be extended in a first direction (e.g., x direction and / or -x direction). For example, as shown in FIG. 2a, it can be extended along the x direction and -x direction, or as shown in FIG. 2b, it can be extended along the x direction while one side of the display device (1) remains fixed.

[0075] The display device (1) can be extended in a second direction (e.g., the y direction and / or the -y direction) by an external force applied by an external object or a user. In one embodiment, as shown in FIG. 2c, the display area (DA) and / or non-display area (NDA) of the display device (1) can be extended in the y direction and the -y direction. In another embodiment, one side of the display device (1) can be extended in the y direction or the -y direction while remaining fixed.

[0076] The display device (1) can be extended in multiple directions, such as a first direction (e.g., x direction and / or -x direction) and a second direction (e.g., y direction and / or -y direction), by an external force applied by an external object or a part of a person's body. As shown in FIG. 2d, the display area (DA) and / or non-display area (NDA) of the display device (1) can be extended in the ±x direction and ±y direction.

[0077] The display device (1) can be extended in a third direction (e.g., z direction or -z direction) by an external force applied by an external object or a part of a person's body. In one embodiment, FIG. 2e shows a part of the display device (1), such as a part of the display area (DA), protruding in the z direction. In another embodiment, a part of the display device (1), such as a part of the display area (DA), can be protruded along the -z direction (or sunken along the z direction).

[0078] FIGS. 2a to 2e illustrate a display device (1) extended in a first direction, a second direction, and / or a third direction, but the present invention is not limited thereto. In other embodiments, the display device (1) may be varied into an irregular shape, such as having two or more axes, being bent or twisted.

[0079] FIG. 3 is a schematic plan view of a display device (1) according to one embodiment of the present invention.

[0080] A plurality of pixels may be arranged in the display area (DA) of the display device (1). Each pixel may include subpixels that emit light of different colors. A light-emitting element corresponding to each subpixel may be placed in the display area (DA). A circuit for providing electrical signals to the light-emitting elements placed in the display area (DA) and to the transistors electrically connected to the light-emitting elements may be located in the non-display area (NDA) surrounding the display area (DA). A gate driving circuit (GDC) may be placed in the first non-display area (NDA1) and the second non-display area (NDA2), respectively, which are placed on both sides of the display area (DA). The gate driving circuit (GDC) may include drivers for providing electrical signals to the gate electrodes of each of the transistors electrically connected to the light-emitting elements. FIG. 3 illustrates the placement of a gate driving circuit (GDC) in the first non-display area (NDA1) and the second non-display area (NDA2), respectively, but the present invention is not limited thereto. In another embodiment, the gate driving circuit (GDC) may be placed in either the first non-display area (NDA1) or the second non-display area (NDA2).

[0081] The data driving circuit (DDC) may be placed in a third non-display area (NDA3) and / or a fourth non-display area (NDA4) connecting the first non-display area (NDA1) and the second non-display area (NDA2). In one embodiment, FIG. 3 illustrates the data driving circuit (DDC) being placed in the fourth non-display area (NDA4). In another embodiment, the data driving circuit (DDC) may be placed in each of the third non-display area (NDA3) and the fourth non-display area (NDA4).

[0082] FIG. 3 illustrates a data driving circuit (DDC) placed in the fourth non-display area (NDA4) of a display device (1), but the present invention is not limited thereto. In another embodiment, the display device (1) may further include a flexible circuit board (not shown) electrically connected through a terminal portion (not shown) placed in the fourth non-display area (NDA4), and a data driving circuit (DDC) may be placed on the aforementioned flexible circuit board.

[0083] In some embodiments, the elongation of the non-display area (NDA) may be equal to or less than the elongation of the display area (DA). In one embodiment, the elongation of the non-display area (NDA) may differ from area to area. For example, the first non-display area (NDA1), the second non-display area (NDA2), and the third non-display area (NDA3) may have substantially the same elongation, but the elongation of the fourth non-display area (NDA4) may be less than the elongation of each of the first non-display area (NDA1), the second non-display area (NDA2), and the third non-display area (NDA3). In this specification, elongation refers to a numerical value representing the change in length (ΔL / L) by which the display device (1) can be extended without physical damage to the display device (1) when an external force is applied to the display device (1). Here, ΔL is the amount of change in length of the display device and L represents the initial length of the display device.

[0084] FIG. 4a is a plan view of the IV portion of FIG. 3 as a part of a display device (1) according to one embodiment of the present invention.

[0085] Referring to FIG. 4a, the display device (1) may include first island sections (11) spaced apart from each other along a first direction (e.g., x direction or -x direction) and a second direction (e.g., y direction or -y direction) in a display area (DA), and first bridge sections (12) connecting adjacent first island sections (11).

[0086] Each first island section (11) may be connected to a plurality of first bridge sections (12). For example, each first island section (11) may be connected to four first bridge sections (12). Two first bridge sections (12) may be positioned on both sides of the first island section (11) along a first direction (e.g., x direction or -x direction), and the remaining two first bridge sections (12) may be positioned on both sides of the first island section (11) along a second direction (e.g., y direction or -y direction). In one embodiment, four first bridge sections (12) may be connected to each of the four sides of the first island section (11). Each of the four first bridge sections (12) may be adjacent to each corner of the first island section (11).

[0087] The first bridge sections (12) may be spaced apart from each other by a first opening (CS1) located between the first bridge sections (12). In one embodiment, a first opening (CS1) approximately H-shaped and a first opening (CS1) approximately I-shaped, which is the aforementioned H-shaped rotated 90 degrees, may be alternately arranged along a first direction (e.g., x-direction or -x-direction) and a second direction (e.g., y-direction or -y-direction), respectively. Both ends of each first bridge section (12) are connected to each of the adjacent first island sections (11), and one side of each first bridge section (12) may be spaced apart from one side of the adjacent first island section (11) and / or one side of the other first bridge section (12) by the first opening (CS1).

[0088] The display device (1) may include second island sections (21) spaced apart from each other in a non-display area, for example, a first non-display area (NDA1) shown in FIG. 4a, and second bridge sections (22) connecting adjacent second island sections (21).

[0089] Each second island section (21) may extend along a first direction (e.g., x direction or -x direction). The second island sections (21) may be spaced apart from each other along a second direction (e.g., y direction or -y direction) that intersects the first direction (e.g., x direction or -x direction). Each second island section (21) may include drivers of the gate driving circuit (GDC, FIG. 2) described with reference to FIG. 3.

[0090] The second bridge section (22) may have a serpentine shape. The length of the second bridge section (22) may be greater than the shortest distance between adjacent second island sections (21) along the second direction (e.g., the y direction or the -y direction). In one embodiment, the second bridge section (22) may have a shape of approximately omega (Ω) that is convex toward the first direction (e.g., the x direction or the -x direction). The second bridge sections (22) may be positioned between adjacent second island sections (21) but spaced apart from each other.

[0091] The second bridge sections (22) between adjacent second island sections (21) may be spaced apart from each other by a second opening (CS2). Between adjacent second island sections (21), the second openings (CS2) and the second bridge sections (22) may be arranged alternately along a first direction (e.g., x direction or -x direction). The second openings (CS2) may have the same shape as each other. Both ends of each second bridge section (22) are connected to adjacent second island sections (21), but one side of each second bridge section (22) may be spaced apart from the side of the adjacent second island section (21) and / or the side of the other second bridge section (22) by the second opening (CS2).

[0092] Any one second island section (21) placed in the first non-display area (NDA1) may correspond to a plurality of first island sections (11) arranged in the display area (DA). For example, any one second island section (21) placed in the first non-display area (NDA1) may correspond to the first island sections (11) arranged in the (i)th row and the first island sections (11) arranged in the (i+1)th row in the display area (DA) (where i is a positive number greater than 0). FIG. 4a illustrates that one second island section (21) corresponds to two rows of first island sections (11), but the present invention is not limited thereto. In another embodiment, any one second island section (21) placed in the first non-display area (NDA1) may correspond to n rows of first island sections (11) placed in the display area (DA) (where n is a positive number greater than or equal to 3).

[0093] A non-display area, such as a first non-display area (NDA1), may include a first sub-non-display area (SNDA1) in which the aforementioned second island sections (21) and second bridge sections (22) are arranged, and a second sub-non-display area (SNDA2) between the first sub-non-display area (SNDA1) and the display area (DA). In the second sub-non-display area (SNDA2), third bridge sections (23) for connecting the display area (DA) and the first sub-non-display area (SNDA1) may be arranged. One end of the third bridge section (23) may be connected to the second island section (21) and / or the second bridge section (22), and the other end of the third bridge section (23) may be connected to the first island section (11) and / or the first bridge section (12).

[0094] The third bridge section (23) may have a wavy shape. In one embodiment, the shape of the third bridge section (23) may differ from the shapes of the first bridge section (12) and the second bridge section (22), respectively. In one embodiment, as shown in FIG. 4a, the third bridge section (23) may have a shape of approximately omega (Ω) that is convex toward the second direction (e.g., the y direction or the -y direction). Adjacent third bridge sections (23) arranged along the second direction (e.g., the y direction or the -y direction) may have a structure that is symmetrical to each other, such that one of them is convex toward the y direction and the other is convex toward the -y direction. Between the third bridge sections (23), there may be a structure in which a third opening (CS3) and a fourth opening (CS4) of different shapes are repeated. The width of the third bridge section (23) may differ from the width of the first bridge section (12) and the width of the second bridge section (22). In one embodiment, the width of the third bridge section (23) may be greater than the width of the first bridge section (12) and smaller than the width of the second bridge section (22).

[0095] FIG. 4a shows that the second island portion (21) and the second bridge portion (22) of the non-display area, for example, the first non-display area (NDA1), each have different shapes from the first island portion (11) and the first bridge portion (12) of the display area (DA). In another embodiment of the present invention, the second island portion (21) and the second bridge portion (22) of the non-display area may each have the same shape as the first island portion (11) and the first bridge portion (12) of the display area (DA).

[0096] FIG. 4b is a plan view of the IV portion of FIG. 3 as a part of a display device (1) according to one embodiment of the present invention.

[0097] Referring to FIG. 4b, the display device (1) includes first island sections (11) spaced apart from each other in the display area (DA) and first bridge sections (12) that are spaced apart from each other by a first opening (CS1) and connect adjacent first island sections (11). The structure of the display area (DA) in FIG. 4b may be the same as the structure of the display area (DA) described above with reference to FIG. 4a.

[0098] The display device (1) may include second island sections (21) and second bridge sections (22) disposed in a non-display area, for example, a first non-display area (NDA1). In one embodiment, the second island sections (21) and the second bridge sections (22) may each have substantially the same shape as the first island sections (11) and the first bridge sections (12).

[0099] The second island sections (21) may be spaced apart from each other in a first direction (e.g., x direction or -x direction) and a second direction (e.g., y direction or -y direction) in a non-display area, e.g., a first non-display area (NDA1). Each of the second bridge sections (22) may connect adjacent second island sections (21). The second bridge sections (22) may be spaced apart from each other by a second opening (CS2) located between the second bridge sections (22).

[0100] The second opening (CS2) may have substantially the same shape as the first opening (CS1). For example, a second opening (CS2) with an approximate H shape and a second opening (CS2) with an approximate I shape may be alternately arranged in a non-display area, such as a first non-display area (NDA1). Both ends of each second bridge section (22) are connected to each of the adjacent second island sections (21), and one side of each second bridge section (2) may be separated from one side of the adjacent second island section (21) and / or one side of the other second bridge section (22) by the second opening (CS2).

[0101] Each second island section (21) can be connected to four second bridge sections (22). Each second island section (21) may include drivers of the gate driving circuit (GDC, FIG. 2) described with reference to FIG. 3.

[0102] Any row of the second island portions (21) placed in the first non-display area (NDA1) may correspond to any row of the first island portions (11) arranged in the display area (DA). For example, the second island portions (21) arranged in the (i)th row along the first direction (e.g., x direction or -x direction) in the first non-display area (NDA1) may correspond to the first island portions (11) arranged in the same row, e.g., the (i)th row, in the display area (DA) (where i is a positive number greater than 0).

[0103] The display device (1) may include third bridge sections (23) disposed in a second sub-non-display area (SNDA2) to connect a display area (DA) and a first sub-non-display area (SNDA1). A non-display area, such as a first non-display area (NDA1), may include a first sub-non-display area (SNDA1) in which second island sections (21) and second bridge sections (22) are disposed, and a second sub-non-display area (SNDA2) located between the first sub-non-display area (SNDA1) and the display area (DA), which includes the third bridge sections (23). The third bridge section (23) may be substantially identical to the first bridge section (12) and the second bridge section (22). For example, the width of the third bridge section (23) may be the same as the width of the first bridge section (12) and the width of the second bridge section (22).

[0104] FIG. 4c is a plan view of the IV portion of FIG. 3 as a part of a display device according to one embodiment of the present invention.

[0105] Referring to FIG. 4c, the display device (1) may include first island sections (11) that are spaced apart from each other in a first direction (e.g., x direction or -x direction) and a second direction (e.g., y direction or -y direction) in a display area (DA), and first bridge sections (12) that connect adjacent first island sections (11).

[0106] The first bridge sections (12) may be spaced apart from each other by a first opening (CS1) located between the first bridge sections (12). The first bridge section (12) may have a wavy shape. For example, as shown in FIG. 4c, the first bridge section (12) may have a shape of approximately the letter 'S', such as including two round sections (12R) and a straight section (12S) between the two round sections (12R).

[0107] Each first island section (11) may be connected to a plurality of first bridge sections (12). For example, each first island section (11) may be connected to four first bridge sections (12). Two first bridge sections (12) may be placed on both sides of the first island section (11) along a first direction (e.g., x direction or -x direction), and the remaining two first bridge sections (12) may be placed on both sides of the first island section (11) along a second direction (e.g., y direction or -y direction). Four first bridge sections (12) may each be connected to four sides of the first island section (11). Each of the four first bridge sections (12) may be adjacent to each corner of the first island section (11).

[0108] The display device (1) may include second island sections (21) that are spaced apart from each other in a first direction (e.g., x direction or -x direction) and a second direction (e.g., y direction or -y direction) in a non-display area, e.g., a first non-display area (NDA1) shown in FIG. 4c, and second bridge sections (22) that connect adjacent second island sections (21).

[0109] The second bridge sections (22) may be spaced apart from each other by a second opening (CS2) located between the second bridge sections (22). The second bridge section (22) may have a wavy shape. For example, as shown in FIG. 4c, the second bridge section (22) may have a shape of approximately the letter 'S'. The size and / or width of the second bridge section (22) may differ from the size and / or width of the first bridge section (12). For example, the size and / or width of the second bridge section (22) may be larger than the size and / or width of the first bridge section (12). The radius of curvature of the rounded portion of the second bridge section (22) may differ from the radius of curvature of the rounded portion of the first bridge section (12). For example, the radius of curvature of the rounded portion of the second bridge section (22) may be larger than the radius of curvature of the rounded portion of the first bridge section (12).

[0110] Each second island section (21) may be connected to a plurality of second bridge sections (22). Each second island section (21) may be connected to four second bridge sections (22). Two second bridge sections (22) may be positioned on both sides of the second island section (21) along a first direction (e.g., x direction or -x direction), and the remaining two second bridge sections (22) may be positioned on both sides of the second island section (21) along a second direction (e.g., y direction or -y direction). In one embodiment, four second bridge sections (22) may be connected to each of the four sides of the second island section (21). Each second bridge section (22) may be connected to the central part of each side of the second island section (21).

[0111] Any row of second island sections (21) placed in the first non-display area (NDA1) may correspond to multiple rows of first island sections (11) arranged in the display area (DA). For example, any row of second island sections (21) placed in the first non-display area (NDA1) may correspond to the first island sections (11) arranged in the (i)th row and the first island sections (11) arranged in the (i+1)th row of the display area (DA) (where i is a positive number greater than 0). In another embodiment, any row of second island sections (21) may correspond to n rows of first island sections (11) (where n is a positive number greater than or equal to 3).

[0112] A non-display area, such as a first non-display area (NDA1), may include a first sub-non-display area (SNDA1) in which the aforementioned second island sections (21) and second bridge sections (22) are arranged, and a second sub-non-display area (SNDA2) between the first sub-non-display area (SNDA1) and the display area (DA). In the second sub-non-display area (SNDA2), third bridge sections (23) may be arranged to connect the display area (DA) and the first sub-non-display area (SNDA1). One end of the third bridge section (23) may be connected to the second island section (21), and the other end of the third bridge section (23) may be connected to the first island section (11). For example, one end of the third bridge section (23) can be connected to the central part of one side of the second island section (21), and the other end of the third bridge section (23) can be connected to the central part of one side of the first island section (11).

[0113] The third bridge section (23) may have a wavy shape. In one embodiment, the shape of the third bridge section (23) may differ from the shape of the first bridge section (12) and the second bridge section (22), respectively. The width of the third bridge section (23) may differ from the width of the first bridge section (12) and the width of the second bridge section (22). The width of the third bridge section (23) may be greater than the width of the first bridge section (12) and smaller than the width of the second bridge section (22). In the second direction (e.g., the y direction or the -y direction), a third opening (CS3) and a fourth opening (CS4) of different shapes may be alternately arranged between the third bridge sections (23).

[0114] FIG. 5 is a schematic cross-sectional view showing a first island part (11) and a first bridge part (12) arranged in a display area (DA) of a display device (1) according to one embodiment of the present invention.

[0115] Referring to FIG. 5, the first island section (11) and the first bridge section (12) placed in the display area (DA) may be spaced apart with the first opening (CS1) in between. The first island section (11) includes light-emitting elements (LEDs) and a circuit for driving the light-emitting elements electrically connected thereto, such as a pixel driving circuit section (PC), and the first bridge section (12) may include wiring (WL) electrically connected to the pixel driving circuit sections (PCs) placed in each of the adjacent first island sections (11).

[0116] Looking at the first island section (11), a buffer layer (111) containing an inorganic insulating material is disposed on the substrate (100), and a pixel driving circuit section (PC) may be disposed on the buffer layer (111). An insulating layer (IL) containing an inorganic insulating material and / or an organic insulating material may be disposed between the pixel driving circuit section (PC) and the light-emitting element (LED). The light-emitting element (LED) is disposed on the insulating layer (IL) and may be electrically connected to the corresponding pixel driving circuit section (PC). The light-emitting elements (LEDs) may emit light of different colors or light of the same color. In one embodiment, the light-emitting elements (LEDs) may each emit red, green, and blue light. In some embodiments, the light-emitting elements (LEDs) may emit white light. In another embodiment, the light-emitting elements (LEDs) may each emit red, green, blue, and white light.

[0117] The substrate (100) may include a polymer resin such as polyethersulfone, polyarylate, polyetherimide, polyethylene naphthalate, polyethylene terephthalate, polyphenylene sulfide, polyimide, polycarbonate, cellulose triacetate, and cellulose acetate propionate. In one embodiment, the substrate (100) may be a single layer comprising the aforementioned polymer resin. In another embodiment, the substrate (100) may be a multilayer structure comprising a base layer comprising the aforementioned polymer resin and a barrier layer comprising an inorganic insulating material. The substrate (100) comprising the polymer resin may have flexible, rollable, and bendable properties.

[0118] In one embodiment, FIG. 5 illustrates three pixel driving circuit units (PCs) arranged in each first island unit (11) and three light-emitting elements (LEDs) connected to each pixel driving circuit unit (PC), but the present invention is not limited thereto. In another embodiment, the number of pixel driving circuit units (PCs) and light-emitting elements (LEDs) arranged in the first island unit (11) may be one, two, or four or more.

[0119] The encapsulation layer (300) may be placed on a light-emitting element (LED) and may protect the light-emitting element (LED) from external forces and / or moisture penetration. The encapsulation layer (300) may include an inorganic encapsulation layer and / or an organic encapsulation layer. In some embodiments, the encapsulation layer (300) may include a structure in which an inorganic encapsulation layer containing an inorganic insulating material, an organic encapsulation layer containing an organic insulating material, and an inorganic encapsulation layer containing an inorganic insulating material are laminated. In other embodiments, the encapsulation layer (300) may include an organic material such as resin. In some embodiments, the encapsulation layer (300) may include urethane epoxy acrylate. The encapsulation layer (300) may include a photosensitive material, such as a photoresist.

[0120] Looking at the first bridge section (12), an insulating layer (IL) containing an organic insulating material may be disposed on the substrate (100). When the display device (1) is stretched, the first bridge section (12), which undergoes relatively more deformation, may not have a layer containing an inorganic insulating material that is prone to cracking, unlike the first island section (11).

[0121] In one embodiment, the substrate (100) corresponding to the first bridge portion (12) may have the same stacked structure as the substrate (100) corresponding to the first island portion (11). In one embodiment, the substrate (100) corresponding to the first bridge portion (12) and the substrate (100) corresponding to the first island portion (11) may be polymer resin layers formed together in the same process. In another embodiment, the substrate (100) corresponding to the first bridge portion (12) may have a different stacked structure than the substrate (100) corresponding to the first island portion (11). In some embodiments, the substrate (100) corresponding to the first bridge portion (12) has a multilayer structure including a base layer containing a polymer resin and a barrier layer containing an inorganic insulating material, and the substrate (100) corresponding to the first bridge portion (12) may have a structure of a polymer resin layer without a layer containing an inorganic insulating material.

[0122] As previously described, the wiring (WL) of the first bridge section (12) may be signal lines (e.g., gate lines, data lines, etc.) for providing electrical signals to transistors included in the pixel driving circuit section (PC) of the first island section (11), or voltage lines (e.g., driving voltage lines, initialization voltage lines, etc.) for providing voltage. An encapsulation layer (300) may also be disposed in the first bridge section (12). In another embodiment, the encapsulation layer (300) may not exist in the first bridge section (12).

[0123] Referring to FIGS. 4a through 4e and FIG. 5, the substrate (100) corresponding to the first island portion (11) and the substrate (100) corresponding to the first bridge portion (12) can be connected to each other. In other words, the plan view shown in FIGS. 4a through 4e above may be substantially the same as the plan view of the substrate (100) in FIG. 5. In other words, the substrate (100) may include an area corresponding to the first island portion (11), an area corresponding to the first bridge portion (12), and an opening (100OP1) having the same shape as the first opening (CS1).

[0124] Similarly, the bag layer (300) corresponding to the first island portion (11) and the bag layer (300) corresponding to the first bridge portion (12) can be connected to each other. For example, the plan view shown in FIGS. 4a through 4e above may be substantially identical to the plan view of the bag layer (300). In other words, the bag layer (300) may include an area corresponding to the first island portion (11), an area corresponding to the first bridge portion (12), and an opening (300OP1) having the same shape as the first opening (CS1).

[0125] The circuit-light-emitting element layer (200) between the substrate (100) and the encapsulation layer (300) may include a buffer layer (111), a pixel driving circuit (PC), wiring (WL), an insulating layer (IL), and a light-emitting element (LED). Similar to the substrate (100), the plan view previously shown in FIGS. 4a through 4e may be substantially identical to the plan view of the circuit-light-emitting element layer (200). In other words, the circuit-light-emitting element layer (200) may include an opening (200OP1) having the same shape as the first opening (CS1).

[0126] FIGS. 6a to 6c are equivalent circuit diagrams of subpixels of a display device (1) according to one embodiment of the present invention.

[0127] Referring to FIG. 6a, a light-emitting element (LED) corresponding to a subpixel is electrically connected to a pixel driving circuit (PC), and the pixel driving circuit (PC) may include a first transistor (T1), a second transistor (T2), and a storage capacitor (Cst). The pixel driving circuit (PC) may be electrically connected to a signal line and a voltage line. The signal line may include a gate line such as a first scan line (SL1) and a data line (DL), and the voltage line may include a first voltage line (VDDL).

[0128] The second transistor (T2) can be electrically connected to the first scan line (SL1) and the data line (DL). The first scan line (SL1) can provide a first scan signal (GW) to the gate electrode of the second transistor (T2). The second transistor (T2) can transmit a data signal (Dm) input from the data line (DL) to the first transistor (T1) according to the first scan signal (GW) input from the first scan line (SL1).

[0129] The storage capacitor (Cst) is electrically connected to the second transistor (T2) and the first voltage line (VDDL), and can store a voltage corresponding to the difference between the voltage received from the second transistor (T2) and the first power supply voltage (VDD) supplied by the first voltage line (VDDL).

[0130] The first transistor (T1) is a driving transistor capable of controlling the driving current flowing through the light-emitting element (LED). The first transistor (T1) can be connected to the first voltage line (VDDL) and the storage capacitor (Cst). The first transistor (T1) can control the driving current flowing through the light-emitting element (LED) from the first voltage line (VDDL) in correspondence with the voltage value stored in the storage capacitor (Cst). The light-emitting element (LED) can emit light having a predetermined brightness by the driving current. The first electrode of the light-emitting element (LED) is electrically connected to the first transistor (T1), and the second electrode can be electrically connected to the second voltage line (VSSL) that supplies the second power supply voltage (VSS).

[0131] FIG. 6a illustrates that the pixel driving circuit (PC) includes two transistors and one storage capacitor, but in other embodiments, the pixel driving circuit (PC) may include three or more transistors.

[0132] Referring to FIG. 6b, the pixel driving circuit (PC) may include a first transistor (T1), a second transistor (T2), a third transistor (T3), a fourth transistor (T4), a fifth transistor (T5), a sixth transistor (T6), a seventh transistor (T7), and a storage capacitor (Cst).

[0133] The pixel driving circuit (PC) is electrically connected to signal lines and voltage lines. The signal lines may include gate lines such as a first scan line (SL1), a second scan line (SL2), a third scan line (SL3), and a light emission control line (EML), and data lines (DL). The voltage lines may include first and second initialization voltage lines (VIL1, VIL2) and a first voltage line (VDDL).

[0134] The first voltage line (VDDL) can transmit the first power supply voltage (VDD) to the first transistor (T1). The first initialization voltage line (VIL1) can transmit the first initialization voltage (Vint) that initializes the first transistor (T1) to the pixel driving circuit (PC). The second initialization voltage line (VIL2) can transmit the second initialization voltage (Vaint) that initializes the first electrode of the light-emitting element (LED) to the pixel driving circuit (PC).

[0135] The first transistor (T1) can be electrically connected to the first voltage line (VDDL) via the fifth transistor (T5) and electrically connected to the light-emitting element (LED) via the sixth transistor (T6). The first transistor (T1) acts as a driving transistor and receives a data signal (Dm) according to the switching operation of the second transistor (T2) and supplies a driving current to the light-emitting element (LED).

[0136] The second transistor (T2) is a data write transistor and is electrically connected to the first scan line (SL1) and the data line (DL). The second transistor (T2) is electrically connected to the first voltage line (VDDL) via the fifth transistor (T5). The second transistor (T2) is turned on according to the first scan signal (GW) received through the first scan line (SL1) and performs a switching operation to transmit the data signal (Dm) transmitted to the data line (DL) to the first node (N1).

[0137] The third transistor (T3) is electrically connected to the first scan line (SL1) and is electrically connected to the light-emitting element (LED) via the sixth transistor (T6). The third transistor (T3) is turned on according to the first scan signal (GW) received through the first scan line (SL1) and can connect the first transistor (T1) to the diode.

[0138] The fourth transistor (T4) is a first initialization transistor and is electrically connected to the third scan line (SL3) and the first initialization voltage line (VIL1). The fourth transistor (T4) is turned on according to the third scan signal (GI) received through the third scan line (SL3) to transmit the first initialization voltage (Vint) from the first initialization voltage line (VIL1) to the gate electrode of the first transistor (T1), thereby initializing the voltage of the gate electrode of the first transistor (T1). The third scan signal (GI) may correspond to the first scan signal of another pixel driving circuit unit placed in the previous row of the corresponding pixel driving circuit unit (PC).

[0139] The fifth transistor (T5) may be an operation control transistor, and the sixth transistor (T6) may be a light-emitting control transistor. The fifth transistor (T5) and the sixth transistor (T6) are electrically connected to the light-emitting control line (EML) and are simultaneously turned on according to the light-emitting control signal (EM) received through the light-emitting control line (EML) to form a current path so that a driving current can flow from the first voltage line (VDDL) toward the light-emitting element (LED).

[0140] The seventh transistor (T7) is a second initialization transistor and can be electrically connected to the second scan line (SL2), the second initialization voltage line (VIL2), and the sixth transistor (T6). The seventh transistor (T7) is turned on according to the second scan signal (GB) received through the second scan line (SL2), and can initialize the first electrode of the light-emitting element (LED) by transmitting the second initialization voltage (Vaint) from the second initialization voltage line (VIL2) to the first electrode of the light-emitting element (LED).

[0141] The storage capacitor (Cst) includes a first electrode (CE1) and a second electrode (CE2). The first electrode (CE1) is electrically connected to the gate electrode of the first transistor (T1), and the second electrode (CE2) is electrically connected to the first voltage line (VDDL). The storage capacitor (Cst) can maintain the voltage applied to the gate electrode of the first transistor (T1) by storing and maintaining a voltage corresponding to the difference between the voltages of the first voltage line (VDDL) and the gate electrode of the first transistor (T1).

[0142] Referring to FIG. 6c, the pixel driving circuit (PC) may include a first transistor (T1), a second transistor (T2), a third transistor (T3), a fourth transistor (T4), a fifth transistor (T5), a sixth transistor (T6), a seventh transistor (T7), an eighth transistor (T8), a ninth transistor (T9), a storage capacitor (Cst), and an auxiliary capacitor (Ca).

[0143] The pixel driving circuit (PC) is electrically connected to signal lines and voltage lines. The signal lines may include gate lines such as a first scan line (SL1), a second scan line (SL2), a third scan line (SL3), and a light emission control line (EML), and a data line (DL). The voltage lines may include first and second initialization voltage lines (VIL1, VIL2), a holding voltage line (VSL), and a first voltage line (VDDL).

[0144] The first voltage line (VDDL) can transmit the first power supply voltage (VDD) to the first transistor (T1). The first initialization voltage line (VIL1) can transmit the first initialization voltage (Vint) that initializes the first transistor (T1) to the pixel driving circuit (PC). The second initialization voltage line (VIL2) can transmit the second initialization voltage (Vaint) that initializes the first electrode of the light-emitting element (LED) to the pixel driving circuit (PC). The holding voltage line (VSL) can provide the holding voltage (VSUS) to the second electrode (CE2) of the second node (N2), for example, the storage capacitor (Cst), during the initialization section and the data writing section.

[0145] The first transistor (T1) can be electrically connected to the first voltage line (VDDL) via the fifth transistor (T5) and the eighth transistor (T8), and can be electrically connected to the light-emitting element (LED) via the sixth transistor (T6). The first transistor (T1) acts as a driving transistor and can receive a data signal (Dm) according to the switching operation of the second transistor (T2) and supply driving current to the light-emitting element (LED).

[0146] The second transistor (T2) is electrically connected to the first scan line (SL1) and the data line (DL), and is electrically connected to the first voltage line (VDDL) via the fifth transistor (T5) and the eighth transistor (T8). The second transistor (T2) is turned on according to the first scan signal (GW) received through the first scan line (SL1) and performs a switching operation to transmit the data signal (Dm) transmitted to the data line (DL) to the first node (N1).

[0147] The third transistor (T3) is electrically connected to the first scan line (SL1) and is electrically connected to the light-emitting element (LED) via the sixth transistor (T6). The third transistor (T3) is turned on according to the first scan signal (GW) received through the first scan line (SL1) and connects the first transistor (T1) to the diode, thereby compensating for the threshold voltage of the first transistor (T1).

[0148] The fourth transistor (T4) is electrically connected to the third scan line (SL3) and the first initialization voltage line (VIL1), and is turned on according to the third scan signal (GI) received through the third scan line (SL3) to transmit the first initialization voltage (Vint) from the first initialization voltage line (VIL1) to the gate electrode of the first transistor (T1) to initialize the voltage of the gate electrode of the first transistor (T1). The third scan signal (GI) may correspond to the first scan signal of another pixel driving circuit unit placed in the previous row of the corresponding pixel driving circuit unit (PC).

[0149] The fifth transistor (T5), the sixth transistor (T6), and the eighth transistor (T8) are electrically connected to the light emission control line (EML) and are simultaneously turned on according to the light emission control signal (EM) received through the light emission control line (EML) to form a current path so that driving current can flow from the first voltage line (VDDL) toward the light-emitting element (LED).

[0150] The seventh transistor (T7) is a second initialization transistor and can be electrically connected to the second scan line (SL2), the second initialization voltage line (VIL2), and the sixth transistor (T6). The seventh transistor (T7) is turned on according to the second scan signal (GB) received through the second scan line (SL2) and transmits the second initialization voltage (Vaint) from the second initialization voltage line (VIL2) to the first electrode of the light-emitting element (LED) to initialize the first electrode of the light-emitting element (LED).

[0151] The ninth transistor (T9) can be electrically connected to the second scan line (SL2), the second electrode (CE2) of the storage capacitor (Cst), and the holding voltage line (VSL). The ninth transistor (T9) is turned on according to the second scan signal (GB) received through the second scan line (SL2), and can transmit a holding voltage (VSUS) to the second node (N2), such as the second electrode (CE2) of the storage capacitor (Cst), during the initialization period and the data writing period.

[0152] The eighth transistor (T8) and the ninth transistor (T9) can each be electrically connected to the second node (N2), for example, the second electrode (CE2) of the storage capacitor (Cst). In some embodiments, the eighth transistor (T8) may be turned off and the ninth transistor (T9) may be turned on during the initialization period and the data writing period, and the eighth transistor (T8) may be turned on and the ninth transistor (T9) may be turned off during the light emission period. Since the second node (N2) receives the holding voltage (VSUS) during the initialization period and the data writing period, the uniformity of the brightness of the display device (e.g., LRU, Long Range Uniformity) due to the voltage drop of the first voltage line (VDDL) can be improved.

[0153] The storage capacitor (Cst) includes a first electrode (CE1) and a second electrode (CE2). The first electrode (CE1) is electrically connected to the gate electrode of the first transistor (T1), and the second electrode (CE2) is electrically connected to the eighth transistor (T8) and the ninth transistor (T9).

[0154] The auxiliary capacitor (Ca) can be electrically connected to the sixth transistor (T6), the holding voltage line (VSL), and the first electrode of the light-emitting element (LED). By storing and maintaining a voltage corresponding to the voltage difference between the first electrode of the light-emitting element (LED) and the holding voltage line (VSL) while the seventh transistor (T7) and the ninth transistor (T9) are turned on, the auxiliary capacitor (Ca) can prevent the problem of the black brightness rising when the sixth transistor (T6) is turned off.

[0155] FIG. 7a is a cross-sectional view schematically showing a light-emitting element of a display device according to one embodiment of the present invention.

[0156] Referring to FIG. 7a, a light-emitting element according to one embodiment of the present invention may include an organic light-emitting diode (220) containing an organic material. The organic light-emitting diode (220) may include a first electrode (221) disposed on an insulating layer, a second electrode (225) facing the first electrode (221), and a light-emitting layer (223) interposed between the first electrode (221) and the second electrode (225). A first functional layer (222) may be disposed between the first electrode (221) and the light-emitting layer (223), and a second functional layer (224) may be disposed between the light-emitting layer (223) and the second electrode (225).

[0157] The edge of the first electrode (221) may be covered with a bank layer (BKL) containing an insulating material. The bank layer (BKL) may include an opening (B-OP) that overlaps the central portion of the first electrode (221).

[0158] The first electrode (221) may include a conductive oxide such as indium tin oxide (ITO), indium zinc oxide (IZO), zinc oxide (ZnO), indium oxide (In2O3), indium gallium oxide (IGO), or aluminum zinc oxide (AZO). In another embodiment, the first electrode (221) may include a reflective layer comprising silver (Ag), magnesium (Mg), aluminum (Al), platinum (Pt), palladium (Pd), gold (Au), nickel (Ni), neodymium (Nd), iridium (Ir), chromium (Cr), or a compound thereof. In another embodiment, the first electrode (221) may further include a layer formed of ITO, IZO, ZnO, AZO, or In2O3 above and below the aforementioned reflective layer.

[0159] The light-emitting layer (223) may include a polymer or low-molecular-weight organic material that emits light of a predetermined color. The first functional layer (222) may include a hole transport layer (HTL) and / or a hole injection layer (HIL). The second functional layer (224) may include an electron transport layer (ETL) and / or an electron injection layer (EIL).

[0160] The second electrode (225) may be made of a conductive material with a low work function. For example, the second electrode (225) may include a (semi)transparent layer comprising silver (Ag), magnesium (Mg), aluminum (Al), platinum (Pt), palladium (Pd), gold (Au), nickel (Ni), neodymium (Nd), iridium (Ir), chromium (Cr), lithium (Li), calcium (Ca), or alloys thereof. Alternatively, the second electrode (225) may further include a layer such as ITO, IZO, ZnO, AZO, or In2O3 on the (semi)transparent layer comprising the aforementioned materials.

[0161] FIG. 7b is a cross-sectional view schematically showing a light-emitting element of a display device according to one embodiment of the present invention.

[0162] Referring to FIG. 7b, in one embodiment of the present invention, the light-emitting element may include an inorganic light-emitting diode (230) comprising an inorganic material. The inorganic light-emitting diode (230) may include a first semiconductor layer (231), a second semiconductor layer (232), an intermediate layer (233) between the first semiconductor layer (231) and the second semiconductor layer (232), a first electrode (235) electrically connected to the first semiconductor layer (231), and a second electrode (238) electrically connected to the second semiconductor layer (232). The first electrode (235) and the second electrode (238) of the inorganic light-emitting diode (230) may each be electrically connected to a first electrode pad (241) and a second electrode pad (242) disposed on the same layer.

[0163] In some embodiments, the first semiconductor layer (231) may include a p-type semiconductor layer. The p-type semiconductor layer is In x Al y Ga 1-x-y A semiconductor material having the composition formula N (0≤x≤1, 0≤y≤1, 0≤x+y≤1) can be selected from, for example, GaN, AlN, AlGaN, InGaN, InN, InAlGaN, AlInN, etc., and p-type dopants such as Mg, Zn, Ca, Sr, and Ba can be doped.

[0164] The second semiconductor layer (232) may include, for example, an n-type semiconductor layer. The n-type semiconductor layer is In x Al y Ga 1-x-y A semiconductor material having the composition formula N (0≤x≤1, 0≤y≤1, 0≤x+y≤1) can be selected from, for example, GaN, AlN, AlGaN, InGaN, InN, InAlGaN, AlInN, etc., and can be doped with n-type dopants such as Si, Ge, and Sn.

[0165] The intermediate layer (233) is a region where electrons and holes recombine, and as electrons and holes recombine, they transition to a lower energy level and can generate light having a corresponding wavelength. The intermediate layer (233) is, for example, In x Al y Ga 1-x-y It can be formed by including a semiconductor material having a composition formula of N (0≤x≤1, 0≤y≤1, 0≤x+y≤1), and can be formed as a single quantum well structure or a multi-quantum well (MQW) structure. In addition, it may include a quantum wire structure or a quantum dot structure.

[0166] FIG. 7b illustrates that the first semiconductor layer (231) includes a p-type semiconductor layer and the second semiconductor layer (232) includes an n-type semiconductor layer, but the present invention is not limited thereto. In another embodiment, the first semiconductor layer (231) may include an n-type semiconductor layer and the second semiconductor layer (232) may include a p-type semiconductor layer.

[0167] FIGS. 8a and FIGS. 8b are schematic perspective views of an electronic device (1000) according to one embodiment of the present invention.

[0168] Referring to FIGS. 8a and 8b, the electronic device (1000) may include a display device (1) and a pressurizing part (3).

[0169] The pressure member (3) is fixed to the display device (1) and can apply pressure to the display device (1) in the thickness direction, i.e., the third direction (e.g., the z direction and / or the -z direction). The pressure member (3) may include a plate member (31) and a pressure module (32). The pressure member (3), the plate member (31), and the pressure module (32) may be stacked along the thickness direction, i.e., the third direction (e.g., the z direction and / or the -z direction). For example, the planar shapes of the display device (1), the plate member (31), and the pressure module (32) may correspond to each other. The plate member (31) is expandable and can be fixed to the display device (1). The pressure module (32) can apply pressure to the plate member (31) in the thickness direction, i.e., the third direction (e.g., the z direction and / or the -z direction).

[0170] For example, as illustrated in FIG. 8a, a plate portion (31) is placed on a pressure module (32), and a display device (1) can be placed on the plate portion (31). In such a structure, as the pressure module (32) presses the plate portion (31), the display device (1) fixed to the plate can also be pressed together.

[0171] For example, as illustrated in FIG. 8b, a display device (1) may be placed on a pressure module (32), and a plate portion (31) may be placed on the display device (1). At this time, the plate portion (31) may be made of a transparent material. In such a structure, as the pressure module (32) presses the plate portion (31), the display device (1) placed between the pressure module (32) and the plate portion (31) may also be pressurized.

[0172] However, this is exemplary, and the arrangement of the pressure module (32), plate part (31), and display device (1) is not limited thereto. For example, the plate part (31) may be placed inside the display device (1), and the plate part (31) may be a component of the display device (1).

[0173] In the following, as illustrated in FIG. 8a, a plate portion (31) is placed on a pressure module (32), and a display device (1) is placed on the plate portion (31).

[0174] FIG. 9 is an exploded perspective view schematically showing a pressurizing part (3) according to one embodiment of the present invention.

[0175] Referring to FIG. 9, the pressurizing part (3) may include a plate part (31) and a pressurizing module (32).

[0176] The plate portion (31) may be placed on the frame portion (321) described later. The plate portion (31) may have magnetic properties. For example, the plate portion (31) may include a metal material. The plate portion (31) may include a first region (311) and a plurality of second regions (312) having different elongation rates from the first region (311). For example, the plurality of second regions (312) may have lower elongation rates than the first region (311). For example, at least two of the plurality of second regions (312) may have different elongation rates from each other.

[0177] Due to the arrangement of multiple second regions (312), when the stroke module (322) presses the plate portion (31) and the display device (1, see FIG. 8a), the plate portion (31) can be stretched into the required shape. Additionally, due to the arrangement of multiple second regions (312), when the stroke module (322) presses the plate portion (31), the phenomenon of strain and stress being concentrated in specific areas of the plate portion (31) and the display device (1, see FIG. 8a) can be reduced. The elongation rate of the multiple second regions (312) can be designed in various ways considering the required elements. For example, the elongation rate of the multiple second regions (312) can be adjusted by forming grooves and / or holes in the plate portion (31).

[0178] The term “stretched” as used herein may mean the dimension of a component (e.g., plate portion (31), first region (311), and second region (312) and other components described in this specification) based on a specific direction (e.g., x direction, -x direction, y direction, -y direction, z direction, -z direction).

[0179] Multiple second regions (312) may be spaced apart from each other. Each of the multiple second regions (312) may be provided in the form of an island. Although FIG. 9 shows multiple second regions (312) having four circular shapes and arranged symmetrically, this is merely an example, and the number, shape, and arrangement of the multiple second regions (312) are not limited thereto.

[0180] The pressure module (32) may include a frame portion (321) and a stroke module (322). The frame portion (321) forms the exterior of the pressure module (32) and can perform a housing function. The stroke module (322) is placed in the internal space of the frame portion (321), and the frame portion (321) can protect the stroke module (322) from the outside.

[0181] The stroke module (322) may be positioned between the frame portion (321) and the plate portion (31). The stroke module (322) may be supported by the frame portion (321). The stroke module (322) may move in a first direction (e.g., x direction and / or -x direction) and a second direction (e.g., y direction and / or -y direction) relative to the frame portion (321). The stroke module (322) may press the plate portion (31) in a third direction (e.g., z direction and / or -z direction). The stroke module (322) may include a stroke portion (3221) and a moving portion (3222).

[0182] The stroke portion (3221) extends in a third direction (e.g., the z direction and / or the -z direction) and may be provided such that the end facing the plate portion (31) is rounded. The stroke portion (3221) may be switched between a first state having magnetism and a second state in which magnetism is extinguished. For example, the stroke portion (3221) may include at least one of an electromagnet and an electro permanent magnet.

[0183] The moving part (3222) can move the stroke part (3221) relative to the frame part (321). The moving part (3222) can be supported by the frame part (321). The moving part (3222) can support the stroke part (3221). The moving part (3222) can move the stroke part (3221) relative to the frame part (321) in a first direction (e.g., x direction and / or -x direction), a second direction (e.g., y direction and / or -y direction), and a third direction (e.g., z direction and / or -z direction). Specifically, the moving part (3222) can move the stroke part (3221) relative to the frame part (321) in a third-1 direction toward the plate part (31) (e.g., z direction) and a third-2 direction toward the plate part (31) (e.g., -z direction).

[0184] The moving part (3222) may include a first moving part (32221) and a second moving part (32222). The first moving part (32221) may move the stroke part (3221) in a first direction (e.g., x direction and / or -x direction) and a second direction (e.g., y direction and / or -y direction). The second moving part (32222) may move the stroke part (3221) in a third direction (e.g., z direction and / or -z direction). For example, as shown in FIG. 9, the first moving part (32221) may be placed on the frame part (321), the second moving part (32222) may be placed on the first moving part (32221), and the stroke part (3221) may be placed on the second moving part (32222). However, this is exemplary, and the arrangement of the first moving part (32221) and the second moving part (32222) is not limited thereto. For example, the first moving part (32221) and the second moving part (32222) may each include a linear motor. However, this is exemplary, and the configuration for driving the first moving part (32221) and the second moving part (32222) is not limited thereto.

[0185] FIG. 10a is a schematic cross-sectional view of a pressurizing part (3) according to one embodiment of the present invention, FIG. 10b is a schematic plan view of a pressurizing part (3) according to one embodiment of the present invention, FIG. 10c is a schematic cross-sectional view of a pressurizing part (3) according to one embodiment of the present invention, FIG. 10d is a schematic plan view of a pressurizing part (3) according to one embodiment of the present invention, and FIG. 10e to FIG. 10i are schematic cross-sectional views of a pressurizing part (3) according to one embodiment of the present invention.

[0186] Specifically, FIG. 10b is a schematic plan view of the pressurizing part (3) corresponding to FIG. 10a, and FIG. 10d is a schematic plan view of the pressurizing part (3) corresponding to FIG. 10c.

[0187] In FIGS. 10a to 10i, the same reference numerals as in FIG. 9 refer to the same components, so a redundant description thereof is omitted.

[0188] Referring to FIGS. 10a to 10i, the process of the pressurizing module (32) pressing the plate portion (31) can be seen.

[0189] First, referring to FIGS. 10a and 10b, the stroke module (322) may be positioned at a neutral position (PSN) inside the frame portion (321). At this time, the stroke portion (3221) may be in a second state. The moving portion (3222), specifically the first moving portion (32221), may move the stroke portion (3221) in a first direction (e.g., x direction and / or -x direction) and a second direction (e.g., y direction and / or -y direction) so that the stroke portion (3221) is positioned at the neutral position (PSN). For example, the neutral position (PSN) may be a position penetrating the center of the plate portion (31) on a plane. For example, the neutral position (PSN) may be located at an equal distance from a plurality of second regions (312) on a plane.

[0190] Referring to FIGS. 10c and 10d, the stroke module (322) can move to a position that overlaps with any one of the plurality of second regions (312). At this time, the stroke portion (3221) can maintain the second state. The moving portion (3222), specifically the first moving portion (32221), can move the stroke portion (3221) in a first direction (e.g., x direction and / or -x direction) and a second direction (e.g., y direction and / or -y direction) so that the stroke portion (3221) overlaps with any one of the plurality of second regions (312).

[0191] Referring to FIG. 10e, the stroke module (322) can come into contact with the plate portion (31). The moving portion (3222), specifically the second moving portion (32222), can move the stroke portion (3221) in the third-1 direction (e.g., z-direction) relative to the frame portion (321) so that the stroke portion (3221) comes into contact with one of the plurality of second regions (312). At this time, the stroke portion (3221) can be switched from the second state to the first state. A magnetic force may act between the magnetic stroke portion (3221) and the plate portion (31). Specifically, an attractive force may act between the stroke portion (3221) and the plate portion (31).

[0192] Referring to FIG. 10f and FIG. 10g, at a position where the stroke module (322) overlaps with any one of the plurality of second regions (312), the stroke portion (3221) can press the plate portion (31) in a first state. That is, in a state where an attractive force acts between the stroke portion (3221) and the plate portion (31), the stroke portion (3221) can press the plate portion (31).

[0193] For example, as illustrated in FIG. 10f, the stroke portion (3221) can press the plate portion (31) in the third-1 direction (e.g., z direction). The moving portion (3222), specifically the second moving portion (32222), can move the stroke portion (3221) in the third-1 direction (e.g., z direction) while the stroke portion (3221) is in contact with the plate portion (31). As the plate is pressed in the third-1 direction (e.g., z direction), a portion of the plate portion (31) (e.g., any one of the plurality of second regions (312)) can be stretched in the third-1 direction (e.g., z direction). In this process, at least some of the display device (1, see FIG. 8a) fixed to the plate portion (31) can be stretched in the third-1 direction (e.g., z direction). Accordingly, a convex area may be formed in the plate portion (31) and the display device (1, see FIG. 8a).

[0194] For example, as illustrated in FIG. 10g, the stroke portion (3221) can press the plate portion (31) in the third-2 direction (e.g., the -z direction). The moving portion (3222), specifically the second moving portion (32222), can move the stroke portion (3221) in the third-2 direction (e.g., the -z direction) while the stroke portion (3221) is in contact with the plate portion (31). As the plate is pressed in the third-2 direction (e.g., the -z direction), a portion of the plate portion (31) (e.g., any one of the plurality of second regions (312)) can be stretched in the third-2 direction (e.g., the -z direction). In this process, at least some of the display device (1, see FIG. 8a) fixed to the plate portion (31) can be stretched in the third-2 direction (e.g., the -z direction). Accordingly, a concave area may be formed in the plate portion (31) and the display device (1, see FIG. 8a).

[0195] The shape of the plate portion (31) after elongation can be varied according to the elongation rate of the first region (311) and a plurality of second regions (312), and the magnetic strength between the plate portion (31) and the stroke portion (3221).

[0196] Referring to FIG. 10h, the stroke portion (3221) can move in a third-1 direction (e.g., z direction) and / or a third-2 direction (e.g., -z direction) so that the plate portion (31) becomes flat. The moving portion (3222), specifically the second moving portion (32222), can move the stroke portion (3221) in a third-1 direction (e.g., z direction) and / or a third-2 direction (e.g., -z direction) relative to the frame portion (321) so that the plate portion (31) is not stretched. At this time, the stroke portion (3221) can be switched from a first state to a second state. Since the magnetism of the stroke portion (3221) is extinguished, magnetic force may not act between the stroke portion (3221) and the plate portion (31). Specifically, attractive force may not act between the stroke portion (3221) and the plate portion (31).

[0197] Referring to FIG. 10i, the stroke portion (3221) can move in the third-2 direction (e.g., -z direction) so that the stroke portion (3221) is separated from the plate portion (31). The moving portion (3222), specifically the second moving portion (32222), can move the stroke portion (3221) in the third-2 direction (e.g., -z direction) relative to the frame portion (321) so that the stroke portion (3221) is separated from the plate portion (31). At this time, the stroke portion (3221) can maintain the second state.

[0198] Subsequently, as described with reference to FIGS. 10a and FIGS. 10b, the stroke module (322) can move to a neutral position (PSN) inside the frame portion (321). At this time, the stroke portion (3221) can maintain a second state.

[0199] FIG. 11a is a schematic cross-sectional view of a pressurizing part (3) according to one embodiment of the present invention, and FIG. 11b is a schematic cross-sectional view of a pressurizing part (3) according to one embodiment of the present invention.

[0200] Specifically, FIG. 11a is an enlarged view of region A of FIG. 10f, and FIG. 11b is an enlarged view of region B of FIG. 10g.

[0201] In FIG. 11a and FIG. 11b, the same reference numerals in FIG. 9 to FIG. 10g refer to the same components, so a redundant description thereof is omitted.

[0202] Referring to FIGS. 11a and FIGS. 11b, the process of the pressurizing module (32) pressing the plate portion (31) can be seen.

[0203] The stroke portion (3221) may include a body portion (32211) and a roller portion (32212).

[0204] The body portion (32211) extends in a third direction (e.g., z direction and / or -z direction) and may be connected to a moving portion (3222). The second moving portion (32222) may move the body portion (32211) in a third-1 direction (e.g., z direction) and / or a third-2 direction (e.g., -z direction). The roller portion (32212) may be connected to the body portion (32211) toward the third-1 direction (e.g., z direction) so as to be freely rotatable with respect to the body portion (32211). The roller portion (32212) may be freely rotatable with respect to the body portion (32211) around a first direction (e.g., x direction and / or -x direction), a second direction (e.g., y direction and / or -y direction), and / or a third direction (e.g., z direction and / or -z direction). For example, the roller part (32212) and the body part (32211) can be connected to each other in the form of a ball caster.

[0205] While the pressing part (3) is pressing the display device (1, see FIG. 8a), the stroke module (322) can move toward at least one of a first direction (e.g., x direction and / or -x direction) and a second direction (e.g., y direction and / or -y direction) with respect to the frame part (321). For example, as shown in FIG. 11a, while the stroke module (322) is pressing the plate part (31) in a third-1 direction (e.g., z direction), the stroke part (3221) can move toward the first direction (e.g., x direction and / or -x direction) and / or the second direction (e.g., y direction and / or -y direction). For example, as illustrated in FIG. 11b, while the stroke module (322) presses the plate portion (31) in the third-second direction (e.g., -z direction), the stroke portion (3221) may move in the first direction (e.g., x direction and / or -x direction) and / or the second direction (e.g., y direction and / or -y direction).

[0206] At this time, the roller part (32212) of the stroke part (3221) may come into contact with the plate part (31). During the movement of the stroke module (322), the roller part (32212) may rotate relative to the body part (32211). Accordingly, the phenomenon of the plate part (31) being pushed or scraped in a first direction (e.g., x direction and / or -x direction) and / or a second direction (e.g., y direction and / or -y direction) due to frictional force between the stroke part (3221) and the plate part (31) may be reduced.

[0207] The time during which the stroke module (322) presses the plate portion (31), the height of the stroke portion (3221), and the strength of the magnetic force between the stroke portion (3221) and the plate portion (31) can be designed in various ways considering the required elements. In addition, the stroke module (322) can perform not only the function of extending the display device (1, see FIG. 8a) but also the function of a button that recognizes external stimuli (finger press, pen touch, etc.).

[0208] FIG. 12 is an exploded perspective view schematically showing a pressurizing part (3) according to one embodiment of the present invention.

[0209] In FIG. 12, the same reference numerals as in FIG. 9 refer to the same components, so a redundant description thereof is omitted.

[0210] Referring to FIG. 12, the pressurizing part (3) may include a plate part (31) and a pressurizing module (32).

[0211] The plate portion (31) may have magnetic properties. For example, the plate portion (31) may include a metal material. The plate portion (31) may include a first region (311) and a plurality of second regions (312) having different elongation rates from the first region (311). Hereinafter, any one of the plurality of second regions (312) is referred to as the second-1 region (312-1), and another of the plurality of second regions (312) is referred to as the second-2 region (312-2).

[0212] The pressure module (32) may include a frame portion (321) and a stroke module (322). The frame portion (321) forms the exterior of the pressure module (32) and can perform a housing function.

[0213] A stroke module (322) may be positioned between a frame portion (321) and a plate portion (31). The stroke module (322) may be supported by the frame portion (321). The stroke module (322) may press the plate portion (31) in a third direction (e.g., z direction and / or -z direction). A plurality of stroke modules (322) may be provided. A plurality of stroke modules (322) may move independently. Each of the plurality of stroke modules (322) may move in a first direction (e.g., x direction and / or -x direction) and / or a second direction (e.g., y direction and / or -y direction) relative to the frame portion (321). Each of the plurality of stroke modules (322) may press the plate portion (31) at different locations.

[0214] For example, as illustrated in FIG. 12, a plurality of stroke modules (322) may include a first stroke module (322-1) and a second stroke module (322-2). The first stroke module (322-1) and the second stroke module (322-2) may be spaced apart from each other along a first direction (e.g., the x direction and / or the -x direction). The first stroke module (322-1) and the second stroke module (322-2) each include a moving part (3222) and can move independently.

[0215] The number of multiple second regions (312) may be greater than the number of multiple stroke modules (322). For example, as shown in FIG. 12, the number of multiple stroke modules (322) may be 2, and the number of multiple second regions (312) may be 4. However, this is merely an example, and the number of multiple stroke modules (322) and multiple second regions (312) is not limited thereto. For example, the number of multiple stroke modules (322) may be 5, and the number of multiple second regions (312) may be 25. Hereinafter, the description will be based on the premise that the multiple stroke modules (322) include a first stroke module (322-1) and a second stroke module (322-2).

[0216] FIG. 13a is a schematic cross-sectional view of a pressurizing part (3) according to one embodiment of the present invention, FIG. 13b is a schematic plan view of a pressurizing part (3) according to one embodiment of the present invention, FIG. 13c is a schematic cross-sectional view of a pressurizing part (3) according to one embodiment of the present invention, FIG. 13d is a schematic plan view of a pressurizing part (3) according to one embodiment of the present invention, and FIG. 13e to FIG. 13h are schematic cross-sectional views of a pressurizing part (3) according to one embodiment of the present invention.

[0217] Specifically, FIG. 13b is a schematic plan view of the pressurizing part (3) corresponding to FIG. 13a, and FIG. 13d is a schematic plan view of the pressurizing part (3) corresponding to FIG. 13c.

[0218] In FIGS. 13a to 13i, the same reference numerals as in FIG. 12 refer to the same components, so a redundant description thereof is omitted.

[0219] Referring to FIGS. 13a to 13i, the first stroke module (322-1) includes a first stroke section (3221-1) and a first moving section (3222-1), and the second stroke module (322-2) may include a second stroke section (3221-2) and a second moving section (3222-2).

[0220] The first stroke portion (3221-1) and the second stroke portion (3221-2) may each be provided with the same structure as the stroke portion (3221) described with reference to FIG. 9. Each of the first stroke portion (3221-1) and the second stroke portion (3221-2) may be extended in a third direction (e.g., the z direction and / or the -z direction) and may be provided such that the end facing the plate portion (31) is rounded. Each of the first stroke portion (3221-1) and the second stroke portion (3221-2) may be switched between a first state having magnetism and a second state in which magnetism is extinguished.

[0221] The first moving part (3222-1) and the second moving part (3222-2) may each be provided with the same structure as the stroke part (3221) described with reference to FIG. 9. The first moving part (3222-1) can move the first stroke part (3221-1) with respect to the frame part (321) in a first direction (e.g., x direction and / or -x direction), a second direction (e.g., y direction and / or -y direction), and a third direction (e.g., z direction and / or -z direction). Specifically, the first moving part (3222-1) can move the first stroke part (3221-1) with respect to the frame part (321) in a third-1 direction (e.g., z direction) and a third-2 direction (e.g., -z direction). The second moving part (3222-2) can move the second stroke part (3221-2) with respect to the frame part (321) in a first direction (e.g., x direction and / or -x direction), a second direction (e.g., y direction and / or -y direction), and a third direction (e.g., z direction and / or -z direction). Specifically, the second moving part (3222-2) can move the second stroke part (3221-2) with respect to the frame part (321) in a third-1 direction (e.g., z direction) and a third-2 direction (e.g., -z direction).

[0222] First, referring to FIGS. 13a and FIGS. 13b, the first stroke module (322-1) may be located at a first neutral position (PSN1) inside the frame portion (321), and the second stroke module (322-2) may be located at a second neutral position (PSN2) inside the frame portion (321). At this time, the first stroke portion (3221-1) and the first stroke portion (3221-1) may each be in a second state.

[0223] The first moving part (3222-1) can move the first stroke part (3221-1) in a first direction (e.g., x direction and / or -x direction) and a second direction (e.g., y direction and / or -y direction) so that the first stroke part (3221-1) is positioned at a neutral position (PSN). The second moving part (3222-2) can move the second stroke part (3221-2) in a first direction (e.g., x direction and / or -x direction) and a second direction (e.g., y direction and / or -y direction) so that the second stroke part (3221-2) is positioned at a neutral position (PSN).

[0224] For example, the first neutral position (PSN1) and the second neutral position may be symmetrical to each other with respect to the center of the plate portion (31) on a plane. For example, the first neutral position (PSN1) and the second neutral position (PSN2) may be arranged to be spaced apart from each other in a first direction (e.g., x direction and / or -x direction). The first neutral position (PSN1) and the second neutral position (PSN2) may be set at various positions considering the efficient movement path of the first stroke module (322-1) and the second stroke module (322-2) described later.

[0225] Referring to FIGS. 13c and 13d, the first stroke module (322-1) moves to a position that overlaps with any one of the plurality of second regions (312), and the second stroke module (322-2) can move to a position that overlaps with the other of the plurality of second regions (312). For example, the first stroke module (322-1) moves to overlap with the second-1 region (312-1), and the second stroke module (322-2) moves to overlap with the second-2 region (312-2). At this time, the stroke portion (3221) can maintain the second state. The first moving part (3222-1) can move the first stroke part (3221-1) in a first direction (e.g., x direction and / or -x direction) and a second direction (e.g., y direction and / or -y direction) so that the first stroke part (3221-1) overlaps with the second-1 area (312-1). The second moving part (3222-2) can move the second stroke part (3221-2) in a first direction (e.g., x direction and / or -x direction) and a second direction (e.g., y direction and / or -y direction) so that the second stroke part (3221-2) overlaps with the second-2 area (312-2).

[0226] Referring to FIG. 13e, each of the first stroke module (322-1) and the first stroke module (322-1) can come into contact with the plate portion (31).

[0227] The first moving part (3222-1) can move the first stroke part (3221-1) in the third-1 direction (e.g., z direction) with respect to the frame part (321) so that the first stroke part (3221-1) comes into contact with the second-1 area (312-1). The second moving part (3222-2) can move the second stroke part (3221-2) in the third-1 direction (e.g., z direction) with respect to the frame part (321) so that the second stroke part (3221-2) comes into contact with the second-2 area (312-2). At this time, the first stroke part (3221-1) and the first stroke part (3221-1) can be switched from the second state to the first state. A magnetic force (specifically, an attractive force) may be applied between the magnetic first stroke portion (3221-1) and the plate portion (31). A magnetic force (specifically, an attractive force) may be applied between the magnetic second stroke portion (3221-2) and the plate portion (31).

[0228] Referring to FIG. 13f, at a position where the first stroke module (322-1) overlaps with the second-1 area (312-1), the first stroke portion (3221-1) can press the plate portion (31) in the first state. At a position where the second stroke module (322-2) overlaps with the second-2 area (312-2), the second stroke portion (3221-2) can press the plate portion (31) in the first state.

[0229] For example, as illustrated in FIG. 13f, the first stroke portion (3221-1) can press the plate portion (31) in the third-1 direction (e.g., z direction). The first moving portion (3222-1) can move the first stroke portion (3221-1) in the third-1 direction (e.g., z direction) while the first stroke portion (3221-1) is in contact with the plate portion (31). As the plate is pressed in the third-1 direction (e.g., z direction), a portion of the plate portion (31) (e.g., the second-1 region (312-1)) can be stretched in the third-1 direction (e.g., z direction). In this process, at least some of the display devices (1, see FIG. 8a) fixed to the plate portion (31) can be stretched in the third-1 direction (e.g., z direction).

[0230] For example, as illustrated in FIG. 13f, the second stroke portion (3221-2) can press the plate portion (31) in the third-2 direction (e.g., -z direction). The second moving portion (3222-2) can move the second stroke portion (3221-2) in the third-2 direction (e.g., -z direction) while the second stroke portion (3221-2) is in contact with the plate portion (31). As the plate is pressed in the third-2 direction (e.g., -z direction), a portion of the plate portion (31) (e.g., the second-2 region (312-2)) can be stretched in the third-2 direction (e.g., -z direction). In this process, at least some of the display devices (1, see FIG. 8a) fixed to the plate portion (31) can be stretched in the third-2 direction (e.g., -z direction).

[0231] Referring to FIG. 13g, the first stroke portion (3221-1) and the second stroke portion (3221-2) can each move in the third-1 direction (e.g., z direction) or the third-2 direction (e.g., -z direction) so that the plate portion (31) becomes flat. For example, the first moving portion (3222-1) can move the first stroke portion (3221-1) in the third-2 direction (e.g., -z direction) relative to the frame portion (321) so that the plate portion (31) is not stretched. For example, the second moving portion (3222-2) can move the second stroke portion (3221-2) in the third-1 direction (e.g., z direction) relative to the frame portion (321) so that the plate portion (31) is not stretched. At this time, the first stroke section (3221-1) and the second stroke section (3221-2) can each be switched from the first state to the second state. Since the magnetism of the first stroke section (3221-1) is extinguished, magnetic force (specifically, attraction) may not act between the first stroke section (3221-1) and the plate section (31). Since the magnetism of the second stroke section (3221-2) is extinguished, magnetic force (specifically, attraction) may not act between the second stroke section (3221-2) and the plate section (31).

[0232] Referring to FIG. 13h, the first stroke portion (3221-1) and the second stroke portion (3221-2) can each move in the third-2 direction (e.g., -z direction) so as to be spaced apart from the plate portion (31). The first moving portion (3222-1) can move the first stroke portion (3221-1) in the third-2 direction (e.g., -z direction) relative to the frame portion (321) so as to be spaced apart from the plate portion (31). The second moving portion (3222-2) can move the second stroke portion (3221-2) in the third-2 direction (e.g., -z direction) relative to the frame portion (321) so as to be spaced apart from the plate portion (31). At this time, the first stroke part (3221-1) and the first stroke part (3221-1) can maintain the second state.

[0233] Subsequently, as described with reference to FIGS. 13a and 13b, the first stroke module (322-1) can move to a first neutral position (PSN1) inside the frame portion (321). Additionally, the second stroke module (322-2) can move to a second neutral position (PSN2) inside the frame portion (321). At this time, the first stroke portion (3221-1) and the second stroke portion (3221-2) can maintain a second state.

[0234] The display device (1) according to the above-described embodiments can be used in various electronic devices capable of providing an image. Here, an electronic device refers to a device that uses electricity and has the function of providing a predetermined image.

[0235] FIG. 14a is a schematic perspective view of an electronic device (1000) including a display device according to one embodiment of the present invention, and FIG. 14b is a schematic block diagram of an electronic device (1000) including a display device (1) according to one embodiment of the present invention.

[0236] Referring to FIG. 14a, the electronic device (1000) can be freely deformed in three dimensions and can provide a three-dimensional image surface through the display area (DA). The statement that the electronic device (1000) can be freely deformed in three dimensions is distinguished from the operation of an electronic device having a rollable display device, such as when a part of the rolled-up display area is visible to the user, and then another part of the rolled-up display area is unfolded so that the entire display area is visible to the user (or when the entire unfolded display area is visible to the user, and then the display area is rolled up so that only a part of the display area is visible to the user). The electronic device (1000) according to embodiments of the present invention may exhibit a deformation such as the area of ​​the entire display area (DA) increasing or decreasing again as the electronic device (1000) is deformed in the x direction, y direction, and / or z direction.

[0237] Referring to FIG. 14b, the electronic device (1000) may include a processor (1100), memory (1200), input module (1300), display module (1400), power module (1500), built-in module (1600), and external module (1700). According to one embodiment, at least one of the above-described components may be omitted from the electronic device (1000), or one or more other components may be added. According to one embodiment, some of the above-described components (e.g., built-in module (1600)) may be integrated into another component (e.g., display module (1400)).

[0238] The processor (1100) can execute software to control at least one other component (e.g., a hardware or software component) of an electronic device (1000) connected to the processor (1100) and can perform various data processing or operations. According to one embodiment, as at least part of the data processing or operations, the processor (1100) can store commands or data received from other components (e.g., an input module (1300), a sensor module (1610), or a communication module (1730)) in a volatile memory (1210), process the commands or data stored in the volatile memory (1210), and store the resulting data in a non-volatile memory (1220).

[0239] The processor (1100) may include a main processor (1110) and an auxiliary processor (1120). The main processor (1110) may include at least one of a central processing unit (1111, CPU) and an application processor (AP). The main processor (1110) may further include at least one of a graphic processing unit (1112, GPU), a communication processor (CP), and an image signal processor (ISP). The main processor (1110) may further include a neural processing unit (1113, NPU). The neural processing unit is a processor specialized for processing artificial intelligence models, and the artificial intelligence model may be generated through machine learning. The artificial intelligence model may include a plurality of artificial neural network layers. An artificial neural network may be a deep neural network (DNN), a convolutional neural network (CNN), a recurrent neural network (RNN), a restricted Boltzmann machine (RBM), a deep belief network (DBN), a bidirectional recurrent deep neural network (BRDNN), a deep Q-network, or a combination of two or more of the above, but is not limited to the examples described above. In addition to the hardware structure, the artificial intelligence model may include a software structure, either additionally or substantially. At least two of the processing unit and processor described above may be implemented as a single integrated configuration (e.g., a single chip), or each may be implemented as an independent configuration (e.g., multiple chips).

[0240] The auxiliary processor (1120) may include a controller (1121). The controller (1121) may include an interface conversion circuit and a timing control circuit. The controller (1121) receives a video signal from the main processor (1110), converts the data format of the video signal to match the interface specifications with the display module (1400), and outputs video data. The controller (1121) may output various control signals required for driving the display module (1400).

[0241] The auxiliary processor (1120) may further include data processing circuits such as a data conversion circuit (1122), a gamma correction circuit (1123), and a rendering circuit (1124). The data conversion circuit (1122) receives image data from the controller (1121) and can compensate the image data so that the image is displayed at a desired brightness according to the characteristics of the electronic device (1000) or the user's settings, or can convert the image data to reduce power consumption or compensate for afterimages. The gamma correction circuit (1123) can convert image data or gamma reference voltage, etc. so that the image displayed on the electronic device (1000) has desired gamma characteristics. The rendering circuit (1124) receives image data from the controller (1121) and can render the image data by considering the pixel arrangement of the display device (1) applied to the electronic device (1000). At least one of the data conversion circuit (1122), gamma correction circuit (1123), and rendering circuit (1124) may be integrated into another component (e.g., main processor (1110) or controller (1121)). In one embodiment, the auxiliary processor (1120) may be integrated into the data driver (1430).

[0242] The memory (1200) can store various data used by at least one component of the electronic device (1000) (e.g., a processor (1100) or a sensor module (1610)) and input or output data for commands related thereto. The memory (1200) may include at least one of a volatile memory (1210) and a non-volatile memory (1220).

[0243] The input module (1300) can receive commands or data to be used for components of the electronic device (1000) (e.g., processor (1100), sensor module (1610) or sound output module (1630)) from outside the electronic device (1000) (e.g., user or external electronic device (2000)).

[0244] The input module (1300) may include a first input module (1310) into which commands or data are input from a user and a second input module (1320) into which commands or data are input from an external electronic device (2000).

[0245] The first input module (1310) may include a microphone, a mouse, a keyboard, or a pen (e.g., a passive pen or an active pen). The first input module (1310) may include mechanical input means or touch input means, such as a button, a dome switch, a jog wheel, a jog switch, etc., located on the rear or side of the electronic device (1000). The touch input means may include a touchscreen layer of the display device (1).

[0246] The second input module (1320) can be connected to various types of external electronic devices (2000) connected to the electronic device (1000) via wired or wireless connection. According to one embodiment, the second input module (1320) may include a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface. The second input module (1320) may include a connector capable of physically connecting the electronic device (1000) to the external electronic device (2000), for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (e.g., a headphone connector). The electronic device (1000) can perform appropriate control related to the connected external electronic device (2000) in response to the external electronic device (2000) being connected to the second input module (1320).

[0247] The display module (1400) provides information visually to the user. The display module (1400) may include a display device (1), a scan driver (1420), and a data driver (1430).

[0248] The display device (1) displays (outputs) information processed by the electronic device (1000). The display device (1) can display information on the execution screen of an application running on the electronic device (1000), or UI (User Interface) and GUI (Graphic User Interface) information based on the execution screen information.

[0249] The scan driver (1420) may be mounted on the display device (1) as a driving chip. Alternatively, the scan driver (1420) may be formed directly on the display device (1). For example, the scan driver (1420) may include an ASG (Amorphous Silicon TFT Gate driver circuit), an LTPS (Low Temperature Polycrystalline Silicon) TFT Gate driver circuit, or an OSG (Oxide Semiconductor TFT Gate driver circuit) embedded in the display device (1). The scan driver (1420) receives a control signal from the controller (1121) and outputs scan signals to the display device (1) in response to the control signal.

[0250] The display device (1) may further include a light emission control driver. The light emission driver outputs a light emission control signal to the display device (1) in response to a control signal received from the controller (1121). The light emission control driver may be formed separately from the scan driver (1420) or may be integrated into the scan driver (1420).

[0251] The data driver (1430) receives a control signal from the controller (1121), converts the image data into an analog voltage data voltage in response to the control signal, and then outputs the data voltages to the display device (1).

[0252] The data driver (1430) may be integrated with some components of the auxiliary processor (1120). For example, the data driver (1430) may be provided as a timing controller embedded driver integrated circuit (Timing controller embedded driver IC) including a controller (1121).

[0253] The power module (1500) supplies power to the components of the electronic device (1000). The power module (1500) may include a battery that charges the power voltage. Additionally, the power module (1500) is provided with a connection port, and the connection port may be included in a second input module (1320) to which an external charger that supplies power for charging the battery is connected. Alternatively, the power module (1500) may include a wireless power transmission and reception member so that the battery can be charged wirelessly. The wireless power transmission and reception member may include a plurality of coil-shaped antenna radiators. The power module (1500) may include a PMIC (power management integrated circuit). The PMIC supplies optimized power to each of the components of the electronic device (1000).

[0254] The electronic device (1000) may further include an internal module (1600) and an external module (1700). The internal module (1600) may include a sensor module (1610), an antenna module (1620), and an audio output module (1630). The external module (1700) may include a camera module (1710), a light module (1720), and / or a communication module (1730).

[0255] The sensor module (1610) may include touch electrodes of the touchscreen layer of the display device (1) and a touch sensor driver. The sensor module (1610) may detect input by the user's body or input by a pen and generate an electrical signal or data value corresponding to the input. The sensor module (1610) may include at least one of a fingerprint sensor (1611), an input sensor (1612), a digitizer (1613), and a strain sensor (1614).

[0256] The fingerprint sensor (1611) can generate a data value corresponding to the user's fingerprint. The fingerprint sensor (1611) may include either an optical or capacitive fingerprint sensor.

[0257] The input sensor (1612) can generate a data value corresponding to coordinate information of input by the user's body or input by a pen. The input sensor (1612) generates a data value of the amount of change in capacitance due to the input. The input sensor (1612) can detect input by a passive pen or transmit and receive data with an active pen.

[0258] The input sensor (1612) may measure biosignals such as blood pressure, water content, or body fat. For example, if a user contacts a part of their body to the sensor layer or sensing panel and does not move for a certain period of time, the input sensor (1612) may detect biosignals based on changes in the electric field caused by the part of the body and output information desired by the user to the display module (1400).

[0259] The digitizer (1613) can generate a data value corresponding to the coordinate information of the input by the pen. The digitizer (1613) generates the amount of electromagnetic change caused by the input as a data value. The digitizer (1613) can detect input by a passive pen or transmit and receive data with an active pen.

[0260] The strain sensor (1614) may include layers, patterns, or wirings in which a measurable physical quantity changes according to the stretching of the display device (1). For example, the strain sensor (1614) may include wirings in which resistance and / or capacitance changes due to the stretching of the display panel (DP). In another embodiment, the strain sensor (1614) may include an optical layer or optical pattern in which transmittance and / or reflectance changes due to the stretching of the display device (1).

[0261] Based on the physical quantity of the stretching of the display device (1) measured by the strain sensor (1614), the electronic device (1000) can improve the quality of the image implemented in the display device (1) or control the display device (1). The control operation of the display device (1) may include, for example, displaying an operation image for the protection of the display device (1), cutting off the voltage for driving the display device (1), or stopping the stretching operation of the display device (1).

[0262] In one embodiment, at least one of a fingerprint sensor (1611), an input sensor (1612), a digitizer (1613), and a strain sensor (1614) may be embedded in the display device (1). For example, at least one of the fingerprint sensor (1611), the input sensor (1612), the digitizer (1613), and the strain sensor (1614) may be formed through a process that is continuous with the process of forming the pixel circuits and light-emitting diodes of the display device (1). As a result, the display device (1) may function as one of the input modules (1300) that provide an input interface between the electronic device (1000) and the user, and may also function as a display module (1400) that provides an output interface between the electronic device (1000) and the user.

[0263] In one embodiment, at least two of the fingerprint sensor (1611), input sensor (1612), digitizer (1613), and strain sensor (1614) may be formed to be integrated into a single sensing panel through the same process. In one embodiment, the sensing panel may be positioned between the display device (1) and a window positioned above the display device (1), but the present invention is not limited thereto.

[0264] The antenna module (1620) may include one or more antennas for transmitting a signal or power to the outside or receiving it from the outside. According to one embodiment, the communication module (1730) may transmit a signal to an external electronic device or receive it from an external electronic device through an antenna suitable for a communication method. The antenna pattern of the antenna module (1620) may be integrated with one component of the display module (1400) (e.g., a display device (1)) or an input sensor (1612), etc.

[0265] The sound output module (1630) is a device for outputting sound signals to the outside of the electronic device (1000), and can output sound data received from the communication module (1730) or stored in the memory (1200) in call signal reception, call mode or recording mode, voice recognition mode, broadcast reception mode, etc. The sound output module (1630) can output sound signals related to functions performed in the electronic device (1000) (e.g., call signal reception sound, message reception sound, etc.). The sound output module (1630) may include a receiver and a speaker. At least one of the receiver and the speaker may be a sound generating device attached to the bottom of the display device (1) to vibrate the display device (1) and output sound. The sound generating device may be a piezoelectric element or a piezoelectric actuator that contracts and expands according to an electric signal, or an exciter that generates magnetic force using a voice coil to vibrate the display device (1).

[0266] The camera module (1710) can capture still images and video. According to one embodiment, the camera module (1710) may include one or more lenses, image sensors, or image signal processors. The camera module (1710) may further include an infrared camera capable of measuring the presence or absence of a user, the location of the user, the user's gaze, etc.

[0267] The light module (1720) can use light from a light source to output a signal to indicate the occurrence of an event or provide light for image acquisition. Here, examples of event occurrences may include receiving a message, receiving a call signal, a missed call, an alarm, a schedule notification, receiving an email, or receiving battery charge capacity information notifications. The light module (1720) may include a light-emitting diode or a xenon lamp. The light module (1720) may emit single-color or multiple-color light toward the front or rear of the electronic device (1000). The light module (1720) may operate in conjunction with the camera module (1710) or operate independently.

[0268] The communication module (1730) can support the establishment of a wired or wireless communication channel between an electronic device (1000) and an external electronic device (2000), and the performance of communication through the established communication channel. The communication module (1730) may include one or all of a wireless communication module such as a cellular communication module, a short-range wireless communication module, or a GNSS (global navigation satellite system) communication module, and a wired communication module such as a LAN (local area network) communication module or a power line communication module. The communication module (1730) can transmit and receive wireless signals over an internet network using at least one of WLAN (Wireless LAN), Wi-Fi (Wireless-Fidelity), Wi-Fi (Wireless Fidelity) Direct, and DLNA (Digital Living Network Alliance) technologies. Additionally, the communication module (1730) can support short-range communication by using at least one of Bluetooth, RFID (Radio Frequency Identification), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, NFC (Near Field Communication), Wi-Fi (Wireless-Fidelity), Wi-Fi Direct, and Wireless USB (Wireless Universal Serial Bus) technologies. The various types of communication modules (1730) described above may be implemented as a single chip or as separate chips.

[0269] FIGS. 15a to 15d are schematic perspective views illustrating embodiments of an electronic device including a display device according to one embodiment of the present invention.

[0270] Referring to FIG. 15a, a display device according to one embodiment of the present invention can be utilized in a wearable electronic device (1000A) that can be worn on a part of a user's body. The wearable electronic device (1000A) may include a body part (3110) and a display part (3120) provided in the body part (3110). The display device according to embodiments of the present invention can be used as the display part (3120) of the wearable electronic device (1000A). As illustrated in FIG. 15a, the wearable electronic device (1000A) may be modified. In one embodiment, it can be used as a smart watch or a smartphone depending on the user's choice.

[0271] FIG. 15b illustrates a medical electronic device (1000B). In one embodiment, the medical electronic device (1000B) may include a body part (3210) and a light-emitting part (3220). A display device according to embodiments of the present invention may be used as the light-emitting part (3220) of the medical electronic device (1000B). The light-emitting part (3220) may emit light of a specific wavelength band (e.g., infrared, visible light, etc.) to the patient's body. In one embodiment, the body part (3210) may have a stretchable fiber material and may have a structure that can be worn on the body of the user of the light-emitting part.

[0272] FIG. 15c illustrates an educational electronic device (1000C). In one embodiment, the educational electronic device may include a display unit (3320) provided within a frame (3310). The display unit (3320) may utilize a display device according to embodiments of the present invention. The display unit (3320) may provide images such as a sea with waves, a snow-covered mountain, or a volcano with flowing lava, wherein the display unit (3320) may extend in the height direction (e.g., z-direction) to reflect the height of the waves, mountain, or volcano. In some embodiments, a portion of the display unit (3320) may sequentially vary in height along the direction of the lava flow to show the movement of the lava in three dimensions. The educational electronic device (1000C) may include a plurality of pins (or stroke units, 3330) arranged on the back of the display unit (3320) so that the display unit (3320) extends in the height direction. The pins (3330) can be implemented to move along a third direction (e.g., z direction or -z direction) so that the image displayed on the display unit (3320) has a three-dimensional height. FIG. 15c illustrates an educational electronic device (1000C), but its use is not limited as long as it provides a certain image information.

[0273] FIG. 15d illustrates that a display device is used in a wearable electronic device (1000D-1), such as a smart watch. In one embodiment, the display device corresponding to the display portion (3310) of the electronic device (1000D-1) can be stretched three-dimensionally, so it can provide various haptic information to the user. In one embodiment, the electronic device (1000D-1) can provide haptic information, such as Braille markings for the visually impaired or tactile stimulation linked to images, by using a plurality of pins (or stroke portions, 3330) placed below the display portion (3310). The display device forming the display portion (3310) can be stretched three-dimensionally, so it can provide the aforementioned haptic information to the user.

[0274] The embodiment described with reference to FIGS. 15a to 15d describes an electronic device (1000A, 1000B, 1000C, 1000D-1) in which the display portion can be deformed in three dimensions, but the present invention is not limited thereto. As in the embodiments described below, the display device according to the embodiments of the present invention may be used in an electronic device in which the shape of the portion capable of displaying an image (e.g., a screen) is fixed.

[0275] FIGS. 16a to 16e are each schematic perspective views of an electronic device according to one embodiment of the present invention.

[0276] FIG. 16a illustrates a display device being used in a wearable electronic device (1000D-2), such as a smart watch. The electronic device (1000D-2) illustrated in FIG. 10a includes a display unit (3310), wherein the display unit (3310) may be a three-dimensional dome shape (or hemispherical shape). In the manufacturing process of the electronic device (1000D-2), the display device may be assembled on a dome-shaped body frame, and since the display device is three-dimensionally stretchable, it may be assembled in a stretched state along the shape of a hemispherical body frame.

[0277] FIG. 16b illustrates that, in one embodiment of the present invention, another electronic device (1000E) includes a robot. The robot can move or perceive objects using a camera module (1710) and can display a predetermined image to a user through a display unit (3420, 3430). In some embodiments, since the display devices according to one embodiment of the present invention can be extended in various directions as described above, they can be assembled to a body frame having a hemispherical shape, and thus the robot may include a hemispherical display unit (3420, 3430).

[0278] FIG. 16c illustrates a vehicle display device (1000F) as another electronic device in one embodiment of the present invention. The vehicle display device (1000F) may include a cluster (3510), a Center Information Display (CID) (3520), and / or a co-driver display (3530). Since the display device according to an embodiment of the present invention can be extended in various directions, it can be used for the cluster (3510), the Center Information Display (CID) (3520), and / or the co-driver display (3530) without being constrained by the shape of the vehicle's internal frame.

[0279] FIG. 16c illustrates the cluster (3510), the Center Information Display (CID) (3520), and / or the co-driver display (3530) being separated, but the invention is not limited thereto. In another embodiment, two or more selected from the cluster (3510), the Center Information Display (CID) (3520), and the co-driver display (3530) may be connected as a single unit.

[0280] In some embodiments, the vehicle display device (1000F) may include a button (3540) capable of displaying a predetermined image. Referring to the enlarged view of FIG. 16c, the hemispherical button (3540) may include an object (3542) that provides a sense of use of the button while moving in the z-direction or -z-direction, and a display device placed on the object (3542). In some embodiments, if the object (3542) has a three-dimensionally rounded surface, the display device may also have a three-dimensionally rounded surface.

[0281] FIG. 16d illustrates that an electronic device according to one embodiment of the present invention is an electronic device (1000G) for advertising or display. In some embodiments, the electronic device (1000G) for advertising or display may be installed on a fixed structure (3610), such as a wall or a column. If the structure (3610) includes an uneven surface as shown in FIG. 16d, the electronic device (1000G) for advertising or display may also be placed along the uneven surface of the structure (3610). In some embodiments, the electronic device (1000G) for advertising or display may be installed on the structure (3610) using a heat-shrink film or the like.

[0282] FIG. 16e illustrates that an electronic device (1000H) according to one embodiment of the present invention is a controller. The controller may include image-type buttons. For example, the controller may include first to third button areas (3720, 3730, 3740) in which a portion of the display portion (3710) protrudes in the z-direction or protrudes in the -z-direction (or is recessed in the z-direction). In some embodiments, the first and third button areas (3720, 3740) may protrude in the z-direction, and the second button area (3730) may protrude in the -z-direction (or be recessed in the z-direction).

[0283] As such, the present invention has been described with reference to an embodiment illustrated in the drawings, but this is merely illustrative, and those skilled in the art will understand that various modifications and variations of the embodiments are possible therefrom. Accordingly, the true technical scope of protection of the present invention should be determined by the technical spirit of the appended claims.

Claims

1. An electronic device comprising a retractable display device and a pressurizing member fixed to the display device and pressurizing the display device, The above-mentioned pressurizing unit is, Frame section; A plate portion disposed on the above-mentioned frame portion and having magnetic properties; and A stroke module disposed between the frame portion and the plate portion, and capable of moving in a first direction and a second direction intersecting the first direction with respect to the frame portion; The above stroke module is, An electronic device comprising: a stroke portion capable of switching between a first state having magnetism and a second state in which magnetism is extinguished, and movable in a third-1 direction toward the plate portion and a third-2 direction away from the plate portion.

2. In Paragraph 1, An electronic device in which the stroke portion presses the plate portion in the first state.

3. In Paragraph 2, The stroke portion presses the plate portion in the third-1 direction, and An electronic device in which at least some of the above-mentioned display devices are stretched in the above-mentioned 3-1 direction.

4. In Paragraph 2, The stroke portion presses the plate portion in the third-2 direction, and An electronic device in which at least some of the above-mentioned display devices are stretched in the above-mentioned third-second direction.

5. In Paragraph 2, The above stroke portion is an electronic device that switches from the first state to the second state and moves in the third-2 direction to be spaced apart from the plate portion.

6. In Paragraph 1, The above stroke part is, Body part; and An electronic device comprising: a roller part connected to the body part toward the third-1 direction so as to be freely rotatable with respect to the body part.

7. In Paragraph 6, In a state where the above-mentioned pressurizing part pressurizes the above-mentioned display device, An electronic device in which the stroke module moves toward at least one of the first direction and the second direction with respect to the frame portion so as to rotate the roller portion.

8. In Paragraph 1, The above stroke module is provided in multiple numbers, and The above plurality of stroke modules are electronic devices that move independently.

9. In Paragraph 8, An electronic device in which the plurality of stroke modules each press the plate portion at different locations.

10. In Paragraph 1, The above stroke portion comprises at least one of an electromagnet and an electric permanent magnet, an electronic device.

11. An electronic device comprising a retractable display device and a pressurizing member fixed to the display device and pressurizing the display device, The above-mentioned pressurizing unit is, Frame section; A plate portion disposed on the above-mentioned frame portion and having magnetic properties; and A stroke module disposed between the frame portion and the plate portion, capable of moving in a first direction and a second direction intersecting the first direction with respect to the frame portion, and pressing the plate portion; The above plate portion comprises a first region and a plurality of second regions having an elongation rate different from that of the first region, an electronic device.

12. In Paragraph 11, The electronic device comprises a stroke module that is switchable between a first state having magnetism and a second state in which magnetism is extinguished, and a stroke portion that is movable in a third-1 direction toward the plate portion and a third-2 direction away from the plate portion.

13. In Paragraph 12, An electronic device in which, at a position where the stroke module overlaps with any one of the plurality of second regions, the stroke portion presses the plate portion in the first state.

14. In Paragraph 13, The stroke portion presses the plate portion in the third-1 direction, and An electronic device in which at least some of the above-mentioned display devices are stretched in the above-mentioned 3-1 direction.

15. In Paragraph 13, The stroke portion presses the plate portion in the third-2 direction, and An electronic device in which at least some of the above-mentioned display devices are stretched in the above-mentioned third-second direction.

16. In Paragraph 13, The above stroke portion is an electronic device that switches from the first state to the second state and moves in the third-2 direction to be spaced apart from the plate portion.

17. In Paragraph 12, The above stroke part is, Body part; and An electronic device comprising: a roller part connected to the body part toward the third-1 direction so as to be freely rotatable with respect to the body part.

18. In Paragraph 17, In a state where the above-mentioned pressurizing part pressurizes the above-mentioned display device, An electronic device in which the stroke module moves toward at least one of the first direction and the second direction with respect to the frame portion so as to rotate the roller portion.

19. In Paragraph 12, The above stroke portion comprises at least one of an electromagnet and an electric permanent magnet, an electronic device.

20. In Paragraph 11, The above stroke module is provided in multiple numbers, and The above plurality of stroke modules move independently and each press the plate portion at a different position, an electronic device.

Images