Folding kit and electronic device including the same

Abstract

Disclosed are a folding kit and an electronic device including the same. The folding suite comprises a first folding suite and a second folding suite, wherein the first folding suite comprises a first frame, a second frame and a hinge between the first frame and the second frame; and a second folding kit including a first body underneath the first frame and a second body underneath the second frame. The first frame and the hinge are coupled to each other to define a first frame shape having a first opening defined therein, and the second frame and the hinge are coupled to each other to define a second frame shape having a second opening defined therein. The first body is exposed by the first opening and the second body is exposed by the second opening.

Description

[0001] Cross-reference to related applications

[0002] This application claims priority and benefit to Korean Patent Application No. 10-2024-0141461, filed on October 16, 2024, with the Korean Intellectual Property Office, the entire disclosure of which is incorporated herein by reference. Technical Field

[0003] An aspect of the embodiments of this disclosure relates to a folding kit and an electronic device including the folding kit. Background Technology

[0004] Electronic devices such as smartphones, digital cameras, laptop computers, car navigation systems, and smart televisions that provide (e.g., transmit or display) images to users include display devices for displaying images. The display device generates images and provides them to the user via a screen.

[0005] With the development of display device technology, various types of display devices are being developed. For example, various flexible display devices that can be bent, folded, or rolled are being developed. Flexible display devices that can be deformed in various ways are easy to carry and improve user convenience.

[0006] In flexible display devices, foldable displays can be folded about a folding axis extending in one direction. Foldable displays can be folded using mechanisms such as folding kits. Summary of the Invention

[0007] Embodiments of this disclosure provide a folding kit for reducing deformation of a display device by easily securing and folding the display device, and an electronic device including the folding kit.

[0008] According to embodiments of this disclosure, a folding kit includes: a first folding kit including a first frame, a second frame, and a hinge between the first frame and the second frame; and a second folding kit including a first body under the first frame and a second body under the second frame. The first frame and the hinge are connected to each other to define a first frame shape having a first opening therein, and the second frame and the hinge are connected to each other to define a second frame shape having a second opening therein. The first body is exposed by the first opening, and the second body is exposed by the second opening.

[0009] According to embodiments of this disclosure, a folding kit includes: a first folding kit including a first frame, a second frame, and a hinge between the first frame and the second frame; and a second folding kit including a first body under the first frame and a second body under the second frame. The first frame and the hinge are connected to each other to define a first frame shape having a first opening therein, and the second frame and the hinge are connected to each other to define a second frame shape having a second opening therein. Each of the upper portion of the inner surface of the first frame defining the first opening and the upper portion of the inner surface of the second frame defining the second opening has a stepped portion having a stepped shape.

[0010] According to embodiments of this disclosure, an electronic device includes: a first folding kit including a first frame, a second frame, and a hinge between the first frame and the second frame, and having an opening defined between the hinge and the first frame and between the hinge and the second frame; a second folding kit including a first body under the first frame and a second body under the second frame; and a display device extending through the opening onto the second folding kit. Each of the upper portion of the inner surface of the first frame defining the opening and the upper portion of the inner surface of the second frame has a stepped portion, the stepped portion having a stepped shape, and the display device is located on the first body, the second body, and the stepped portion. Attached Figure Description

[0011] The above and other aspects and features of this disclosure will become apparent from the detailed description of embodiments thereof with reference to the accompanying drawings, in which:

[0012] Figure 1 This is a perspective view of a display device connected to a folding kit according to an embodiment of the present disclosure;

[0013] Figure 2 This is an example of something in a folded state. Figure 1 A diagram illustrating a display device;

[0014] Figure 3 This is an example Figure 1 A cross-sectional view of the electronic panel of the display device illustrated in the image;

[0015] Figure 4 This is an example Figure 3 A cross-sectional view of the display panel shown in the image;

[0016] Figure 5 yes Figure 3 The floor plan of the display panel is shown in the example.

[0017] Figure 6 This is an example and Figure 5 A cross-sectional view of the electronic panel corresponding to any one pixel shown in the example;

[0018] Figure 7 It is along Figure 5 A cross-sectional view taken from line I-I' in the diagram;

[0019] Figure 8 This is an example Figure 7 The diagram illustrates the bent state of the bending area.

[0020] Figure 9 This is an example Figure 7 The diagram illustrates the folded state of the display device.

[0021] Figure 10 This is a perspective view of an electronic device including a folding kit according to an embodiment of the present disclosure;

[0022] Figure 11 yes Figure 10 An exploded perspective view of the electronic device illustrated in the image;

[0023] Figure 12 This is an example Figure 11 An exploded perspective view of the front side of the folding kit illustrated in the image;

[0024] Figure 13 This is an example Figure 11 An exploded perspective view of the rear side of the folding kit illustrated in the image;

[0025] Figure 14 This is an example Figure 12 An exploded perspective view of the front side of the first folding kit illustrated in the image;

[0026] Figure 15 This is an example Figure 13 An exploded perspective view of the rear side of the first folding kit illustrated in the image;

[0027] Figure 16 This is an example Figure 12 An exploded perspective view of the front side of the second folding kit illustrated in the image;

[0028] Figure 17 This is an example Figure 13 An exploded perspective view of the rear side of the second folding kit illustrated in the image;

[0029] Figure 18 This is an example Figure 11 An enlarged view of the portion in which a pair of first rotating parts and a pair of second rotating parts of the folding kit illustrated in the image are arranged adjacent to each other;

[0030] Figure 19This is a side view of the first and second rotating parts as seen in the second direction;

[0031] Figure 20 This is an example of an instance in an expanded state. Figure 11 The diagram illustrates the folding kit;

[0032] Figure 21 This is an example of something in a folded state. Figure 11 The diagram illustrates the folding kit;

[0033] Figure 22 It is along Figure 10 A cross-sectional view taken from line II-II' in the diagram;

[0034] Figure 23 yes Figure 22 An enlarged view of the first area A1 in the image;

[0035] Figure 24 This is an example of something in a folded state. Figure 22 The diagram illustrates the folding kit;

[0036] Figure 25 It is along Figure 10 A cross-sectional view taken from line III-III′ in the diagram;

[0037] Figure 26 This is an example of something in a folded state. Figure 25 The diagram illustrates the folding kit and display device;

[0038] Figure 27 It is along Figure 10 A cross-sectional view taken from line IV-IV' in the diagram;

[0039] Figure 28A It is when viewed from the second direction Figure 1 The display device illustrated in the image is a side view of the display device;

[0040] Figure 28B This is an example of something in a folded state. Figure 28A A diagram illustrating a display device;

[0041] Figure 29 This is an example when Figure 27 The diagram illustrates the deformed state of the display device when it is folded.

[0042] Figure 30 This is a diagram illustrating the construction of the folding kit according to the comparative example;

[0043] Figure 31 This is an example when Figure 30 The diagram illustrates the deformation state of the display device when the folding kit is folded.

[0044] Figure 32 This is a diagram illustrating the construction of the second rotating part according to an embodiment of the present disclosure; and

[0045] Figure 33A and Figure 33B This is a diagram illustrating the construction of a folding kit according to an embodiment of the present disclosure. Detailed Implementation

[0046] It will be understood that when an element or layer is referred to as being "on" another element or layer, "connected to," or "linked to" another element or layer, it can be directly on, connected to, or linked to the other element or layer, or one or more intermediary elements or layers may be present. When an element or layer is referred to as being "directly on" another element or layer, "directly connected to," or "directly linked to" another element or layer, no intermediary element or layer is present. For example, when a first element is described as being "linked" or "connected" to a second element, the first element can be directly linked to or connected to the second element, or the first element can be indirectly linked to or connected to the second element via one or more intermediary elements.

[0047] In the figures, the dimensions of various elements, layers, etc., may be enlarged for clarity of illustration. The same reference numerals denote the same elements. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items. Furthermore, the word "may" as used in describing embodiments of this disclosure refers to "one or more embodiments of this disclosure." Expressions such as "at least one of" and "any one of" modify the entire column of elements when following a list of elements, and do not modify individual elements within the column. For example, the expression "at least one of a, b, and c" means only a, only b, only c, both a and b, both a and c, both b and c, all a, b, and c, or variations thereof. As used herein, the term "use" may be considered synonymous with the term "utilize." As used herein, the terms "substantially," "about," and similar terms are used as approximate terms rather than terms of degree and are intended to take into account the inherent variations in measurements or calculations that would be recognized by one of ordinary skill in the art.

[0048] It will be understood that while the terms “first,” “second,” “third,” etc., may be used herein to describe various elements, components, regions, layers, and / or segments, these elements, components, regions, layers, and / or segments should not be limited by these terms. These terms are used to distinguish one element, component, region, layer, or segment from another. Therefore, without departing from the teachings of the exemplary embodiments, the first element, component, region, layer, or segment discussed below may be referred to as the second element, component, region, layer, or segment.

[0049] For ease of description, spatial relative terms such as “below,” “under,” “down,” “above,” and “up” may be used herein to describe the relationship between one element or feature illustrated in the figures and another element or feature. It will be understood that these spatial relative terms are intended to encompass different orientations of the device in use or operation, in addition to those depicted in the figures. For example, if the device in the figures is flipped, an element described as “below” or “under” other elements or features would then be oriented as “above” or “upon” other elements or features. Thus, the term “below” can encompass both above and below orientations. The device may be oriented in other ways (e.g., rotated 90 degrees or in other orientations), and the spatial relative descriptive terms used herein should be interpreted accordingly.

[0050] The terminology used herein is for the purpose of describing embodiments of this disclosure and is not intended to be limiting of this disclosure. As used herein, the singular form “a” is also intended to include the plural form unless the context clearly indicates otherwise. It will be further understood that the terms “comprising” and / or “including” as used in this specification specify the presence of stated features, integers, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0051] Those skilled in the art will understand that, in view of the entirety of this disclosure, each suitable feature of the various embodiments of this disclosure may be combined in part or in whole or in combination with one another, and may be technically interlocked and operated in various suitable ways, and unless otherwise stated or implied, each embodiment may be implemented independently of one another or in combination with one another in any suitable way.

[0052] Furthermore, any numerical ranges disclosed and / or enumerated herein are intended to include all subranges with the same numerical precision contained within the enumerated ranges. For example, the range “1.0 to 10.0” is intended to include all subranges between (and including) the enumerated minimum value of 1.0 and the enumerated maximum value of 10.0, i.e., a minimum value equal to or greater than 1.0 and a maximum value equal to or less than 10.0, such as 2.4 to 7.6. Any maximum numerical limit enumerated herein is intended to include all lower numerical limits contained therein, and any minimum numerical limit enumerated in this specification is intended to include all higher numerical limits contained therein. Accordingly, the applicant reserves the right to amend this specification, including the claims, to expressly enumerate any subranges contained within the scope expressly enumerated herein. All such ranges are intended to be inherently described in this specification such that any modifications made to expressly enumerate any such subranges will comply with the requirements of patent law.

[0053] Unless otherwise defined, all terms used herein (including technical or scientific terms) shall have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure pertains. Terms such as those defined in common dictionaries shall be interpreted as having a meaning consistent with the contextual meaning in the relevant technical field and shall not be interpreted as having an ideal or overly formal meaning unless expressly defined as having such a meaning in this application.

[0054] In the following description, embodiments of the present disclosure will be described with reference to the accompanying drawings.

[0055] Figure 1 This is a perspective view of a display device connected to a folding kit according to an embodiment of the present disclosure. Figure 2 This is an example of something in a folded state. Figure 1 The diagram illustrates a display device.

[0056] refer to Figure 1 According to embodiments of this disclosure, the display device DD may have a short side extending in a first direction DR1 and a long side extending in a second direction DR2 intersecting the first direction DR1. The display device DD may have a rounded rectangular shape with rounded corners. The display device DD may be a flexible display device.

[0057] In the following text, the direction substantially perpendicular to the plane defined by the first direction DR1 and the second direction DR2 is defined as the third direction DR3. The expression "when viewed from above the plane" as used herein may mean the object viewed from the third direction DR3. The term "overlap" as used herein may be defined as parts of components overlapping each other when viewed from above the plane.

[0058] The display device DD may have a folded area FA and multiple non-folded areas NFA1 and NFA2. The non-folded areas NFA1 and NFA2 may include a first non-folded area NFA1 and a second non-folded area NFA2. The folded area FA may be disposed between the first non-folded area NFA1 and the second non-folded area NFA2. The first non-folded area NFA1, the folded area FA, and the second non-folded area NFA2 may be arranged along a first direction DR1.

[0059] Although an embodiment in which the display device DD has one folded region FA and two non-folded regions NFA1 and NFA2 is illustrated as an example, the number of folded regions FA and the number of non-folded regions NFA1 and NFA2 are not limited thereto. For example, the display device DD may include more than two non-folded regions and multiple folded regions disposed between the non-folded regions.

[0060] The upper surface of the display device DD can be defined as a display surface DS, and the display surface DS can have (or can be formed) a plane defined by a first direction DR1 and a second direction DR2. An image IM generated by the display device DD can be provided to the user through the display surface DS.

[0061] The display surface DS may have a display area DA and a non-display area NDA extending around the display area DA (e.g., extending around the periphery of the display area DA). The display area DA may display an image, and the non-display area NDA may not display an image. The non-display area NDA may define the boundary of the display device DD surrounding the display area DA, and may be printed in a certain color (e.g., a predetermined color).

[0062] The display device DD may further include at least one sensor and at least one camera.

[0063] refer to Figure 2 The display device DD can be a foldable display device DD. For example, the folding area FA can be bent around a folding axis FX parallel to the second direction DR2, and the display device DD can be folded accordingly. The folding axis FX can be defined as a major axis parallel to the long side of the display device DD. However, it is not limited to this; the folding axis FX can be defined as a minor axis parallel to the short side of the display device DD, and the display device DD can be folded around a folding axis parallel to the short side.

[0064] When the display device DD is folded, the first non-folding region NFA1 and the second non-folding region NFA2 can face each other, and the display device DD can be folded inward so that the display surface DS is not exposed to the outside. However, the embodiments of this disclosure are not limited to this. For example, the display device DD can be folded outward around the folding axis FX, so that the display surface DS is exposed to the outside.

[0065] The distance between the first non-folded region NFA1 and the second non-folded region NFA2 can be less than the diameter of the circle defined by the radius of curvature R of the folded region FA. In this case, the folded region FA can be folded into a dumbbell shape, and the first non-folded region NFA1 and the second non-folded region NFA2 can be close to each other (e.g., can touch).

[0066] Figure 3 This is an example Figure 1 A cross-sectional view of the electronic panel of the display device illustrated in the figure. Figure 4 This is an example Figure 3 The diagram shows a cross-section of the display panel.

[0067] For example, Figure 3 and Figure 4 An example of the cross section seen in the first direction DR1.

[0068] refer to Figure 3 The electronic panel EP may include a display panel DP, an input sensing unit ISP disposed on the display panel DP, and an anti-reflective layer RPL disposed on the input sensing unit ISP.

[0069] The display panel DP can be a flexible display panel. According to embodiments of this disclosure, the display panel DP can be an emissive display panel, but is not particularly limited thereto. For example, the display panel DP can be an organic light-emitting display panel or an inorganic light-emitting display panel. The emissive layer of an organic light-emitting display panel can include organic light-emitting materials. The emissive layer of an inorganic light-emitting display panel can include quantum dots and quantum rods. Hereinafter, by way of example, the display panel DP will be described as an organic light-emitting display panel.

[0070] The input sensing unit (ISP) may include multiple capacitive sensing units for sensing external inputs. When manufacturing the display device (DD), the input sensing unit (ISP) may be directly manufactured on (or formed directly on) the display panel (DP). However, it is not limited to this; the input sensing unit (ISP) may be manufactured as a panel separate from the display panel (DP) and may be attached to the display panel (DP) via an adhesive layer.

[0071] When manufacturing a display device (DD), the anti-reflective layer RPL can be directly fabricated on (or formed directly on) the input sensing unit (ISP). However, it is not limited to this; the anti-reflective layer RPL can be manufactured as a separate panel and can be attached to the input sensing unit (ISP) via an adhesive layer.

[0072] An anti-reflective layer (RPL) can be defined as a film used to prevent the reflection of external light. The anti-reflective layer (RPL) reduces the reflectivity of external light incident on the display panel (DP) from above the display device (DD).

[0073] refer to Figure 4 The display panel DP may include a substrate SUB, a circuit element layer DP-CL disposed on the substrate SUB, a display element layer DP-OLED disposed on the circuit element layer DP-CL, and a thin film encapsulation layer TFE disposed on the display element layer DP-OLED.

[0074] The substrate SUB can have a display area DA and a non-display area NDA surrounding the display area DA. The substrate SUB can include glass or a flexible plastic material such as polyimide (PI). The display element layer DP-OLED can be disposed in the display area DA.

[0075] Multiple pixels can be disposed in the circuit element layer DP-CL and the display element layer DP-OLED. Each pixel may include a transistor disposed in the circuit element layer DP-CL and a light-emitting element disposed in the display element layer DP-OLED and connected to the transistor.

[0076] A thin-film encapsulation layer (TFE) can be deposited on the DP-CL circuit element layer to cover the DP-OLED display element layer. The TFE can protect the pixels from moisture, oxygen, and external substances.

[0077] Figure 5 yes Figure 3 The diagram shows a floor plan of the display panel.

[0078] refer to Figure 5 The display device DD may include a display panel DP, a scan driver SDV, a data driver DDV, and a light-emitting driver EDV.

[0079] The display panel DP may have a first zone AA1, a second zone AA2, and a bend zone BA between the first zone AA1 and the second zone AA2. The bend zone BA may extend in a second direction DR2, and the first zone AA1, the bend zone BA, and the second zone AA2 may be arranged along a first direction DR1.

[0080] The first area AA1 may include a display area DA and a non-display area NDA surrounding the display area DA. The non-display area NDA may surround the display area DA (e.g., it may extend around the periphery of the display area DA). The display area DA may be an area where an image is displayed, and the non-display area NDA may be an area where no image is displayed. The second area AA2 and the bend area BA may be areas where no image is displayed.

[0081] The first region AA1 may include a first non-folded region NFA1, a second non-folded region NFA2, and a folded region FA between the first non-folded region NFA1 and the second non-folded region NFA2. The first non-folded region NFA1, the second non-folded region NFA2, and the folded region FA can be referenced above. Figure 1 The first non-folding region NFA1, the second non-folding region NFA2, and the folding region FA of the described display device DD correspond to each other.

[0082] The first zone AA1 can be bent and folded around the aforementioned folding axis FX. For example, when the folding area FA in the first zone AA1 is folded around the aforementioned folding axis FX, the display panel DP can be folded.

[0083] The display panel (DP) may include multiple pixels (PX), multiple scan lines SL1 to SLm, multiple data lines DL1 to DLn, multiple light-emitting lines EL1 to ELm, a first control line CSL1, a second control line CSL2, a power line PL, multiple connection lines CNL, and multiple pads (PD). "m" and "n" are natural numbers greater than 1. Pixels (PX) can be located in the display area (DA) and can be connected to scan lines SL1 to SLm, data lines DL1 to DLn, and light-emitting lines EL1 to ELm.

[0084] The scan driver (SDV) and the light-emitting driver (EDV) can be disposed in the non-display area (NDA). The scan driver (SDV) and the light-emitting driver (EDV) can be disposed adjacent to each other on opposite sides of the first area (AA1) in the second direction (DR2). The data driver (DDV) can be disposed in the second area (AA2). The data driver (DDV) can be manufactured as an integrated circuit (IC) chip and can be mounted on the second area (AA2).

[0085] Scan lines SL1 to SLm can extend in the second direction DR2 and can be connected to the scan driver SDV. Data lines DL1 to DLn can extend in the first direction DR1 and can be connected to the data driver DDV via the bend area BA (e.g., while passing through the bend area BA). The data driver DDV can be connected to the pixel PX via data lines DL1 to DLn. Emitting lines EL1 to ELm can extend in the second direction DR2 and can be connected to the emitting driver EDV.

[0086] The power supply line PL can extend along the first direction DR1 and can be located in the non-display area NDA. The power supply line PL can be located between the display area DA and the light-emitting driver EDV. The power supply line PL can extend to the second area AA2 via the bend area BA. When viewed from above the plane, the power supply line PL can extend towards the lower end of the second area AA2. The power supply line PL can receive the drive voltage.

[0087] The connecting line CNL can extend along the second direction DR2 and can be arranged along the first direction DR1. The connecting line CNL can be connected to the power line PL and the pixel PX. The driving voltage can be applied to the pixel PX through the power line PL and the connecting line CNL connected to each other.

[0088] The first control line CSL1 can be connected to the scan driver SDV and can extend through the bend area BA towards the lower end of the second area AA2. The second control line CSL2 can be connected to the light-emitting driver EDV and can extend through the bend area BA towards the lower end of the second area AA2. The data driver DDV can be located between the first control line CSL1 and the second control line CSL2.

[0089] When viewed from above the plane, pad PD can be positioned adjacent to the lower end of the second area AA2. Pad PD can be arranged along the second direction DR2. Data driver DDV, power line PL, first control line CSL1, and second control line CSL2 can be connected to pad PD.

[0090] Data cables DL1 to DLn can be connected to the corresponding pads PD via the data driver DDV. For example, data cables DL1 to DLn can be connected to the data driver DDV, and the data driver DDV can be connected to the pads PD corresponding to the data cables DL1 to DLn.

[0091] A printed circuit board (PCB) can be connected to pads (PDs), and timing controllers and voltage generators can be mounted on the PCB. The timing controller can be manufactured as an integrated circuit (IC) chip and can be mounted on the PCB. The timing controller and voltage generator can be connected to the pads (PDs) via the PCB.

[0092] The timing controller can control the operation of the scan driver (SDV), data driver (DDV), and light driver (EDV). The timing controller can generate scan control signals, data control signals, and light control signals in response to control signals received from external sources (e.g., from external devices or external sources). A voltage generator can generate drive voltages.

[0093] The scan control signal can be provided to the scan driver SDV via the first control line CSL1. The light emission control signal can be provided to the light emission driver EDV via the second control line CSL2. The data control signal can be provided to the data driver DDV. The timing controller can receive image signals from the outside, convert the data format of the image signals according to the interface specifications with the data driver DDV, and provide the converted signals to the data driver DDV.

[0094] The scan driver SDV can generate multiple scan signals in response to a scan control signal. These scan signals can be applied to pixels PX via scan lines SL1 to SLm. The scan signals can be applied to pixels PX sequentially.

[0095] The data driver DDV can generate multiple data voltages corresponding to the image signal in response to a data control signal. These data voltages can be applied to pixel PX via data lines DL1 to DLn. The light-emitting driver EDV can generate multiple light-emitting signals in response to a light-emitting control signal. These light-emitting signals can be applied to pixel PX via light-emitting lines EL1 to ELm.

[0096] A pixel (PX) can receive a data voltage in response to a scan signal. A pixel (PX) can display an image by emitting light with a brightness corresponding to the data voltage in response to a light emission signal. The emission time of a pixel (PX) can be controlled by the light emission signal.

[0097] Figure 6 This is an example and Figure 5 The diagram shows a cross-section of an electronic panel corresponding to any one pixel.

[0098] refer to Figure 6 The display panel DP may include pixels PX, and pixels PX may include transistors TR and light-emitting elements OLED. The light-emitting element OLED may include a first electrode (e.g., anode) AE, a second electrode (e.g., cathode) CE, a hole control layer HCL, an electron control layer ECL, and an emitter layer EML.

[0099] The transistor TR and the light-emitting element OLED can be disposed on the substrate SUB. Although a transistor TR is exemplified as an example, the pixel PX may include multiple transistors for driving the light-emitting element OLED and at least one capacitor.

[0100] The display area DA can have an emitting area PA corresponding to each of the pixels PX and a non-emitting area NPA surrounding each of the emitting areas PA (e.g., extending around the periphery of each of the emitting areas PA). The light-emitting element OLED can be disposed in the emitting area PA.

[0101] A buffer layer (BFL) can be disposed on a substrate (SUB). The buffer layer (BFL) can be an inorganic layer. A semiconductor pattern can be disposed on the buffer layer (BFL). The semiconductor pattern can include polycrystalline silicon, amorphous silicon, or metal oxide.

[0102] Semiconductor patterns can be doped with N-type or P-type dopants. Semiconductor patterns can have heavily doped and lightly doped regions. Heavily doped regions can have higher conductivity than lightly doped regions and can be used as the source and drain electrodes of a transistor TR. Lightly doped regions can substantially correspond to the active (e.g., channel) region of the transistor TR.

[0103] The source region S, active region A, and drain region D of transistor TR can be formed from a semiconductor pattern. A first insulating layer INS1 can be disposed on the semiconductor pattern. The gate region G of transistor TR can be disposed on the first insulating layer INS1. A second insulating layer INS2 can be disposed on the gate region G. A third insulating layer INS3 can be disposed on the second insulating layer INS2.

[0104] The connecting electrode CNE may include a first connecting electrode CNE1 and a second connecting electrode CNE2 for connecting the transistor TR and the light-emitting element OLED. The first connecting electrode CNE1 may be disposed on the third insulating layer INS3 and may be connected to the drain portion D through a first contact hole (e.g., a first contact opening) CH1 defined in the first insulating layer INS1 to the third insulating layer INS3.

[0105] A fourth insulating layer INS4 may be disposed on the first connecting electrode CNE1. A fifth insulating layer INS5 may be disposed on the fourth insulating layer INS4. A second connecting electrode CNE2 may be disposed on the fifth insulating layer INS5. The second connecting electrode CNE2 may be connected to the first connecting electrode CNE1 through a second contact hole (e.g., a second contact opening) CH2 defined in the fourth insulating layer INS4 and the fifth insulating layer INS5.

[0106] The sixth insulating layer INS6 can be disposed on the second connecting electrode CNE2. The layers from the buffer layer BFL to the sixth insulating layer INS6 can be collectively referred to as the circuit element layer DP-CL. The first insulating layer INS1 to the sixth insulating layer INS6 can be inorganic or organic layers.

[0107] A first electrode AE ​​may be disposed on a sixth insulating layer INS6. The first electrode AE ​​may be connected to a second connecting electrode CNE2 through a third contact hole (e.g., a third contact opening) CH3 defined in the sixth insulating layer INS6. A pixel defining layer PDL having an opening PX_OP defined therein to expose a portion (e.g., a predetermined portion or a central portion) of the first electrode AE ​​may be disposed on the first electrode AE ​​and the sixth insulating layer INS6.

[0108] The hole control layer (HCL) can be disposed on the first electrode (AE) and the pixel definition layer (PDL). The hole control layer (HCL) may include a hole transport layer and a hole injection layer.

[0109] The emission layer EML can be disposed on the hole control layer HCL. The emission layer EML can be disposed in the region corresponding to the opening PX_OP. The emission layer EML can include organic and / or inorganic materials. The emission layer EML can generate (e.g., emit) one of red, green, and blue light.

[0110] The electronic control layer (ECL) can be disposed on the emitter layer (EML) and the hole control layer (HCL). The ECL may include an electron transport layer and an electron injection layer. The hole control layer (HCL) and the ECL can be disposed together in the emitter region (PA) and the non-emitter region (NPA).

[0111] The second electrode CE can be disposed on the electronic control layer ECL. The second electrode CE can also be disposed together in the pixel PX. The layer containing the light-emitting element OLED can be defined as the display element layer DP-OLED.

[0112] The thin-film encapsulation layer TFE can be disposed on the second electrode CE and can cover the pixel PX. The thin-film encapsulation layer TFE may include a first encapsulation layer EN1 disposed on the second electrode CE, a second encapsulation layer EN2 disposed on the first encapsulation layer EN1, and a third encapsulation layer EN3 disposed on the second encapsulation layer EN2.

[0113] The first encapsulation layer EN1 and the third encapsulation layer EN3 may include inorganic insulating layers and can protect the pixel PX from moisture / oxygen. The second encapsulation layer EN2 may include organic insulating layers and can protect the pixel PX from foreign substances such as dust particles.

[0114] A first voltage can be applied to the first electrode AE ​​via transistor TR, and a second voltage having a lower level than the first voltage can be applied to the second electrode CE. Holes and electrons injected into the emitter layer EML can combine to form excitons, and when the excitons transition to the ground state, the light-emitting element OLED (e.g., the emitter layer EML) can emit light.

[0115] The layer from the substrate (SUB) to the thin-film encapsulation layer (TFE) can be defined as the display panel (DP). The input sensing unit (ISP) can be disposed on the thin-film encapsulation layer (TFE). The input sensing unit (ISP) can be directly fabricated on the upper surface of the thin-film encapsulation layer (TFE).

[0116] The substrate layer (BSL) can be disposed on the thin-film encapsulation layer (TFE). The substrate layer (BSL) may include an inorganic insulating layer. At least one inorganic insulating layer may be provided as the substrate layer (BSL) on the thin-film encapsulation layer (TFE).

[0117] The input sensing unit (ISP) may include a first conductive pattern CTL1 and a second conductive pattern CTL2 disposed on the first conductive pattern CTL1. The first conductive pattern CTL1 may be disposed on a substrate layer BSL. An insulating layer TINS ​​may be disposed on the substrate layer BSL to cover the first conductive pattern CTL1. The insulating layer TINS ​​may include an inorganic insulating layer or an organic insulating layer. The second conductive pattern CTL2 may be disposed on the insulating layer TINS.

[0118] The first conductive pattern CTL1 and the second conductive pattern CTL2 may overlap with the non-emitting region NPA. The first conductive pattern CTL1 and the second conductive pattern CTL2 may be disposed in the non-emitting region NPA between the emitting regions PA, and may have (or may form) a grid shape.

[0119] The first conductive pattern CTL1 and the second conductive pattern CTL2 can form the sensor of the input sensing unit ISP described above. For example, the first conductive pattern CTL1 and the second conductive pattern CTL2, which have a grid shape, can be separated from each other in the area used to form the sensor. A portion of the second conductive pattern CTL2 can be connected to the first conductive pattern CTL1.

[0120] An anti-reflective layer RPL can be disposed on a second conductive pattern CTL2. The anti-reflective layer RPL may include a black matrix BM and multiple color filters CF. The black matrix BM may overlap with the non-emissive region NPA, and the color filters CF may overlap with the emissive region PA, respectively.

[0121] A black substrate BM can be disposed on an insulating layer TINS ​​to cover the second conductive pattern CTL2. An opening B_OP overlapping the emitting region PA and the opening PX_OP can be defined in the black substrate BM. The black substrate BM can absorb and block light. The width of the opening B_OP can be greater than the width of the opening PX_OP.

[0122] Color filters (CFs) can be disposed on the insulating layer (TINS) and the black matrix (BM). Color filters (CFs) can also be disposed separately in the opening (B_OP). Planarized insulating layer (PINS) can be disposed on the color filters (CFs). Planarized insulating layer (PINS) provides a flat top surface.

[0123] When external light propagating towards the display panel DP is reflected back to the user, it can be visually perceived by the user as a mirror effect. To prevent this, the anti-reflective layer RPL can include a color filter CF that displays the same color as the pixels PX of the display panel DP. The color filter CF filters the external light to the same color as the pixels PX. In this case, the external light is invisible to the user.

[0124] However, embodiments of this disclosure are not limited thereto, and the anti-reflective layer RPL may include a polarizing film for reducing the reflectivity of external light. The polarizing film may be manufactured separately and may be attached to the input sensing unit ISP via an adhesive layer. The polarizing film may include a phase delayer and / or a polarizer.

[0125] Figure 7 It is along Figure 5 The cross-sectional view taken from line I-I' in the diagram.

[0126] For example, in Figure 7 The cross-section of the display panel DP corresponding to line I-I' and the cross-sections of the components disposed on and below the display panel DP are illustrated together.

[0127] refer to Figure 7The display device DD may include a display module DM, a window module WM, and a support plate PLT. The window module WM may be mounted on the display module DM and protects the display module DM from external scratches. The support plate PLT may be mounted below the display module DM and supports the display module DM.

[0128] The display module DM can be a flexible display module. The display module DM can have a first non-folding area NFA1, a folding area FA, and a second non-folding area NFA2. When the folding area FA is folded around the aforementioned folding axis FX, the display module DM can be folded.

[0129] The window module WM may include a hard coating HC, a printed layer PIT, a window WIN, a window protective layer WP, a first adhesive layer AL1, and a second adhesive layer AL2. The display module DM may include an impact-absorbing layer ISL, an electronic panel EP, a panel protective layer PPL, and third adhesive layers AL3 to fifth adhesive layers AL5.

[0130] The window WIN, window protective layer WP, and shock-absorbing layer ISL can be installed on the electronic panel EP. The panel protective layer PPL and the support plate PLT can be installed under the electronic panel EP.

[0131] The window (WIN) can be disposed on the shock-absorbing layer (ISL). The window (WIN) can protect the electronic panel (EP) from external scratches. The window (WIN) can be optically transparent. The window (WIN) can include glass. However, it is not limited to this; the window (WIN) can include a synthetic resin film.

[0132] The window WIN can have a multi-layer structure or a single-layer structure. For example, the window WIN may include multiple synthetic resin films bonded by an adhesive, or it may include a glass substrate and a synthetic resin film bonded by an adhesive.

[0133] A window protective layer (WP) can be applied to a window (WIN). The window protective layer (WP) can include flexible plastic materials such as polyimide (PI) or polyethylene terephthalate (PET).

[0134] A hard coating HC can be applied to the upper surface of the window protective layer WP. The upper surface of the window protective layer WP can be coated with a hard coating HC.

[0135] The printed layer PIT can be applied to the lower surface of the window protective layer WP. The color of the printed layer PIT can be black. However, the color of the printed layer PIT is not limited to this. The printed layer PIT can be adjacent to the perimeter of the window WIN.

[0136] An impact-absorbing layer (ISL) can be applied to an electronic panel (EP). The ISL protects the EP by absorbing external impacts applied from above the display device (DD) towards the EP. The ISL can be manufactured as a stretchable film.

[0137] The impact absorbing layer (ISL) can comprise a flexible plastic material. For example, the impact absorbing layer (ISL) can comprise a flexible plastic material such as polyimide or polyethylene terephthalate.

[0138] The panel protective layer PPL can be disposed under the electronic panel EP. The panel protective layer PPL can be disposed under the display panel DP. The panel protective layer PPL protects the lower portion of the display panel DP. The panel protective layer PPL can include a flexible plastic material. For example, the panel protective layer PPL can include polyethylene terephthalate.

[0139] The first adhesive layer AL1 can be disposed between the window protective layer WP and the window WIN. The window protective layer WP and the window WIN can be bonded to each other through the first adhesive layer AL1. The first adhesive layer AL1 can cover the printed layer PIT.

[0140] The second adhesive layer AL2 can be disposed between the window WIN and the shock-absorbing layer ISL. The window WIN and the shock-absorbing layer ISL can be bonded to each other through the second adhesive layer AL2.

[0141] The third adhesive layer AL3 can be disposed between the shock-absorbing layer ISL and the electronic panel EP. The shock-absorbing layer ISL and the electronic panel EP can be bonded to each other through the third adhesive layer AL3.

[0142] The fourth adhesive layer AL4 can be disposed between the electronic panel EP and the panel protective layer PPL. The electronic panel EP and the panel protective layer PPL can be bonded to each other through the fourth adhesive layer AL4. The fifth adhesive layer AL5 can be disposed under the panel protective layer PPL.

[0143] The support plate PLT can be placed below the panel protective layer PPL. The fifth adhesive layer AL5 can be placed between the support plate PLT and the panel protective layer PPL. The support plate PLT and the panel protective layer PPL can be bonded to each other through the fifth adhesive layer AL5.

[0144] The support plate (PLT) can be made of metallic or non-metallic materials. For example, the support plate (PLT) can be made of stainless steel. Alternatively, the support plate (PLT) can be made of fiber-reinforced composite materials. Fiber-reinforced composite materials can be carbon fiber reinforced plastic (CFRP) or glass fiber reinforced plastic (GFRP).

[0145] Multiple openings OP can be defined in the portion of the support plate PLT that overlaps with the folding area FA. The openings OP can be formed in the portion of the support plate PLT that passes through the third direction DR3. When viewed from above the plane, the openings OP can be arranged in (or can form) a lattice or shape.

[0146] The support plate PLT may include a first support plate PLT1, a second support plate PLT2, and a folding portion PLT_F. For example, the boundary between the first support plate PLT1, the second support plate PLT2, and the folding portion PLT_F is indicated by a dashed line on the support plate PLT.

[0147] The folding portion PLT_F can be disposed between the first support plate PLT1 and the second support plate PLT2. The first support plate PLT1, the folding portion PLT_F, and the second support plate PLT2 can be arranged along the first direction DR1. The opening OP can be confined within the folding portion PLT_F.

[0148] The first support plate PLT1 can be disposed below the first non-folded area NFA1 and can overlap with the first non-folded area NFA1. The second support plate PLT2 can be disposed below the second non-folded area NFA2 and can overlap with the second non-folded area NFA2. The folded part PLT_F can be disposed below the folded area FA and can overlap with the folded area FA.

[0149] The folded portion PLT_F may have a curved portion CSP, a first extension EX1, a second extension EX2, a first inverse curvature portion ICV1, and a second inverse curvature portion ICV2. For example, the boundary between the curved portion CSP, the first extension EX1, the second extension EX2, the first inverse curvature portion ICV1, and the second inverse curvature portion ICV2 is illustrated by a dashed line on the support plate PLT, and for convenience, its reference numerals are illustrated above the display module DM by an upwardly extending dashed boundary line.

[0150] The curved portion CSP, the first extension EX1, the second extension EX2, the first reverse curvature portion ICV1, and the second reverse curvature portion ICV2 can be arranged along the first direction DR1. For example, the curved portion CSP can be located at the center of the folded portion PLT_F.

[0151] The curved portion CSP can be disposed between the first extension EX1 and the second extension EX2. An opening OP can be defined within the curved portion CSP. When the folding portion PLT_F is folded, the curved portion CSP can be bent to have a certain curvature (e.g., a predetermined curvature). Because the opening OP is defined within the curved portion CSP, the flexibility of the curved portion CSP can be improved. Therefore, the curved portion CSP can be easily folded.

[0152] The first extension EX1 can be disposed between the first inverse curvature portion ICV1 and the curved portion CSP. The second extension EX2 can be disposed between the second inverse curvature portion ICV2 and the curved portion CSP.

[0153] The first inverse curvature portion ICV1 can be disposed between the first support plate PLT1 and the first extension EX1. The second inverse curvature portion ICV2 can be disposed between the second support plate PLT2 and the second extension EX2.

[0154] The fifth adhesive layer AL5 may not be provided in the area overlapping with the curved portion CSP. The fifth adhesive layer AL5 may be open in the area overlapping with the curved portion CSP (e.g., it may have an opening corresponding to the curved portion CSP).

[0155] The first adhesive layer AL1 to the fifth adhesive layer AL5 may include transparent adhesives such as pressure-sensitive adhesive (PSA) or optically clear adhesive (OCA), but the type of adhesive is not limited to these.

[0156] In the following text, “thickness” may refer to a value measured on a third direction DR3, and “width” may refer to a value measured on a first direction DR1 or a second direction DR2 that is horizontal.

[0157] For example, the hard coating HC can have a thickness of about 5 micrometers (μm), the window protective layer WP can have a thickness of about 65 micrometers (μm), and the first adhesive layer AL1 can have a thickness of about 50 micrometers (μm). The window WIN can have a thickness of about 30 micrometers (μm), the second adhesive layer AL2 can have a thickness of about 50 micrometers (μm), and the impact absorbing layer ISL can have a thickness of about 23 micrometers (μm).

[0158] The third adhesive layer AL3 can have a thickness of approximately 50 micrometers (μm), the electronic panel EP can have a thickness of approximately 30 micrometers (μm), and the fourth adhesive layer AL4 can have a thickness of approximately 25 micrometers (μm). The panel protective layer PPL can have a thickness of approximately 50 micrometers (μm), and the fifth adhesive layer AL5 can have a thickness of approximately 16 micrometers (μm). The support plate PLT can have a thickness of approximately 170 micrometers (μm).

[0159] The width of the first adhesive layer AL1 can be smaller than the width of the window protective layer WP. The width of the window WIN and the second adhesive layer AL2 can be smaller than the width of the first adhesive layer AL1. The width of the second adhesive layer AL2 can be smaller than the width of the window WIN.

[0160] The electronic panel EP, shock-absorbing layer ISL, panel protective layer PPL, third adhesive layer AL3, and fourth adhesive layer AL4 can all have the same width. The width of the electronic panel EP, shock-absorbing layer ISL, panel protective layer PPL, third adhesive layer AL3, and fourth adhesive layer AL4 can be greater than the width of the first adhesive layer AL1. The width of the electronic panel EP, shock-absorbing layer ISL, panel protective layer PPL, third adhesive layer AL3, and fourth adhesive layer AL4 can be less than the width of the window protective layer WP.

[0161] The peripheries (e.g., peripheral edges) of the electronic panel EP, the shock-absorbing layer ISL, the panel protective layer PPL, the third adhesive layer AL3, and the fourth adhesive layer AL4 may overlap each other. The peripheries of the electronic panel EP, the shock-absorbing layer ISL, the panel protective layer PPL, the third adhesive layer AL3, and the fourth adhesive layer AL4 may be located outside the periphery of the first adhesive layer AL1 (e.g., beyond the periphery of the first adhesive layer AL1) and may be located inside the periphery of the window protective layer WP.

[0162] The periphery of the window WIN can be positioned inside the periphery of the first adhesive layer AL1. The periphery of the second adhesive layer AL2 can be positioned inside the periphery of the window WIN. The periphery of the fifth adhesive layer AL5 can be positioned inside the periphery of the panel protective layer PPL.

[0163] The width of the support plate PLT can be approximately the same as the width of the electronic panel EP. The perimeter of the support plate PLT can overlap with the perimeter of the electronic panel EP.

[0164] The window protective layer WP can extend further outward than the electronic panel EP, window WIN, and support plate PLT (e.g., it can extend beyond the electronic panel EP, window WIN, and support plate PLT). The periphery of the window protective layer WP can be located outside the periphery of the electronic panel EP, window WIN, and support plate PLT.

[0165] The electronic panel EP can extend to the bending area BA and the second area AA2. The panel protective layer PPL and the fourth adhesive layer AL4 may not be located below the bending area BA. The panel protective layer PPL and the fourth adhesive layer AL4 may be located below the second area AA2 of the electronic panel EP. The data driver DDV may be located in the second area AA2 of the electronic panel EP.

[0166] The printed circuit board (PCB) can be disposed adjacent to the end of the second zone AA2 within the second zone AA2. The aforementioned timing controller can be disposed on the printed circuit board (PCB). The printed circuit board (PCB) can be spaced apart from the data driver DDV and can be connected to the second zone AA2.

[0167] Figure 8 This is an example of something in a bent state. Figure 7 The diagram illustrates the bending area.

[0168] refer to Figure 8 The bending area BA can be bent to have a certain curvature (e.g., a predetermined curvature). Because the bending area BA is bent, the second area AA2 can be located below the first area AA1. Accordingly, the data driver DDV and the printed circuit board PCB can be located below the first area AA1.

[0169] Figure 9 This is an example of something in a folded state. Figure 7 The diagram illustrates a display device.

[0170] exist Figure 9 For ease of description, the bending area BA and the second area AA2 are omitted, and the display module DM and the window module WM are instantiated as a single layer.

[0171] refer to Figure 9 The support plate PLT can be folded around the folding axis FX. The support plate PLT can be folded into a dumbbell shape. When the support plate PLT is folded, the display module DM can be folded together with the support plate PLT.

[0172] The folding section PLT_F can be folded around the folding axis FX, and the support plate PLT can be folded accordingly. When the folding section PLT_F is folded, the curved section CSP can be bent to have a certain curvature (e.g., a predetermined curvature). For example, the folding area FA of the display module DM of the curved section CSP can be bent to have a radius of curvature R.

[0173] The first inverse curvature portion ICV1 can be bent in the opposite direction to the curved portion CSP. The second inverse curvature portion ICV2 can be bent in the opposite direction to the curved portion CSP. The second inverse curvature portion ICV2 can have a shape symmetrical to the shape of the first inverse curvature portion ICV1.

[0174] When the folding section PLT_F is folded, the first support plate PLT1 and the second support plate PLT2 can remain flat. Correspondingly, the first non-folding area NFA1 and the second non-folding area NFA2 can be kept flat by the first support plate PLT1 and the second support plate PLT2.

[0175] When the folded part PLT_F is folded, the distance GP between the first non-folded area NFA1 and the second non-folded area NFA2 in the first direction DR1 can be less than the diameter of a circle with a radius of curvature R.

[0176] The first extension EX1 can remain flat between the curved portion CSP and the first inverse curvature portion ICV1. The first extension EX1 can extend flatly from the first inverse curvature portion ICV1 toward the curved portion CSP.

[0177] The second extension EX2 can remain flat between the curved portion CSP and the second inverse curvature portion ICV2. The second extension EX2 can extend flatly from the second inverse curvature portion ICV2 toward the curved portion CSP.

[0178] Figure 10 This is a perspective view of an electronic device including a folding kit according to an embodiment of the present disclosure. Figure 11 yes Figure 10 An exploded perspective view of the electronic device illustrated in the image.

[0179] exist Figure 11 In the middle, the electronic device ED is divided into the folding kit FST and the display device DD.

[0180] refer to Figure 10 and Figure 11 The electronic device ED may include a folding kit FST and a display device DD disposed on the folding kit FST. The folding kit FST can accommodate the display device DD, and the display device DD can be attached to the folding kit FST. The folding kit FST can fold the display device DD. The folding kit FST can be folded about a dual-axis rotation axis overlapping with the folding area FA to fold the display device DD. This configuration will be described in more detail below.

[0181] The Folding Kit (FST) can be defined as a folding mechanism for folding a display device (DD). The Folding Kit (FST) can be a component of an electronic device (ED). However, it is not limited to this; the Folding Kit (FST) can be used as a standalone test or evaluation mechanism, rather than as a component of the electronic device (ED).

[0182] For example, multiple display devices DD can be manufactured, and one display device DD can be attached to a folding kit FST as a sample display device DD. The durability of the display device DD can then be tested by repeatedly folding and unfolding the sample display device DD using the folding kit FST.

[0183] However, this is not the only possibility. Electronic devices (EDs) can be manufactured by attaching display devices (DDs) to folding kits (FSTs) and can be sold to consumers as products. For example, the folding kit (FST) can be used as a component or testing facility for electronic devices (EDs).

[0184] The folding kit FST may include a first folding kit FST1 and a second folding kit FST2 coupled to the first folding kit FST1. The first folding kit FST1 and the second folding kit FST2 may be coupled to slide relative to each other (e.g., they may be slidably coupled) and may rotate about a dual-axis rotation axis to fold the display device DD. This configuration will be described in more detail below.

[0185] Figure 12 This is an example Figure 11 An exploded perspective view of the front side of the folding kit shown in the image. Figure 13 This is an example Figure 11 An exploded perspective view of the rear side of the folding kit illustrated in the image.

[0186] For example, in Figure 12 and Figure 13 In the process, the folding kit FST is divided into the first folding kit FST1, the second folding kit FST2, and the sliding unit SU.

[0187] refer to Figure 12 and Figure 13 The folding kit FST may include a first folding kit FST1, a second folding kit FST2 disposed below the first folding kit FST1, and a plurality of sliding units SU disposed below the second folding kit FST2.

[0188] The first folding kit FST1 may include a first frame FM1, a second frame FM2, and a hinge HG. The first frame FM1 and the second frame FM2 may be spaced apart from each other in a first direction DR1. The first frame FM1 and the second frame FM2 may have symmetrical shapes in the first direction DR1.

[0189] A hinge HG may be disposed between a first frame FM1 and a second frame FM2. The hinge HG may extend in a second direction DR2. The hinge HG may be connected to the first frame FM1 and the second frame FM2. The hinge HG may define first dual-axis rotation axes RX1 and RX2 that are spaced apart from each other in the first direction DR1 and extend parallel to each other in the second direction DR2.

[0190] A first frame FM1 and a hinge HG can be connected to each other to define a first frame shape FMF1, the first frame shape FMF1 having a first opening OP1 defined therein. A second frame FM2 and a hinge HG can be connected to each other to define a second frame shape FMF2, the second frame shape FMF2 having a second opening OP2 defined therein.

[0191] The first non-folding area NFA1 of the display device DD may overlap with the first opening OP1 defined by the first frame FM1. The second non-folding area NFA2 of the display device DD may overlap with the second opening OP2 defined by the second frame FM2. The hinge HG may overlap with the folding area FA of the display device DD. The display device DD may be disposed within the first opening OP1 and the second opening OP2.

[0192] The second folding assembly FST2 may include a first main body BD1, a second main body BD2, a first wing plate WPT1, a second wing plate WPT2, and multiple rotating parts RP. The first main body BD1 and the second main body BD2 may be spaced apart from each other in a first direction DR1. The first wing plate WPT1 and the second wing plate WPT2 may be arranged adjacent to each other in the first direction DR1. The first wing plate WPT1 and the second wing plate WPT2 may be disposed between the first main body BD1 and the second main body BD2.

[0193] The first body BD1 may have a flat shape corresponding to the plane defined by the first direction DR1 and the second direction DR2. The second body BD2 may have a flat shape corresponding to the plane defined by the first direction DR1 and the second direction DR2.

[0194] The first body BD1 may be disposed below the first frame FM1 and may overlap with the first frame FM1. The first body BD1 may be exposed by (or through) the first opening OP1. The first body BD1 may overlap with the first non-folded region NFA1.

[0195] The second body BD2 can be positioned below the second frame FM2 and can overlap with the second frame FM2. The second body BD2 can be exposed by the second opening OP2. The second body BD2 can overlap with the second non-folded region NFA2.

[0196] The first wing plate WPT1 and the second wing plate WPT2 can extend in the second direction DR2. The first wing plate WPT1 and the second wing plate WPT2 can overlap with the folding area FA. The first wing plate WPT1 and the second wing plate WPT2 can have a symmetrical shape in the first direction DR1.

[0197] The first wing plate WPT1 can be disposed adjacent to the first body BD1. The first wing plate WPT1 can be connected to the first side OS1 of the first body BD1 facing the second body BD2. The first wing plate WPT1 can be rotatably connected to the first side OS1 of the first body BD1. The first wing plate WPT1 can rotate about a first wing rotation axis WRX1 that is adjacent to and defined by the first side OS1 of the first body BD1 and extends in the second direction DR2.

[0198] The second wing plate WPT2 can be disposed adjacent to the second body BD2. The second wing plate WPT2 can be connected to the first side OS1' of the second body BD2 facing the first body BD1. The second wing plate WPT2 can be rotatably connected to the first side OS1' of the second body BD2. The second wing plate WPT2 can rotate about the second wing rotation axis WRX2 defined adjacent to the first side OS1' of the second body BD2 and extending in the second direction DR2.

[0199] The first wing plate WPT1 and the second wing plate WPT2 can be connected to the first body BD1 and the second body BD2 respectively by fastening units such as pins (e.g., fasteners).

[0200] The rotating part RP can be arranged adjacent to the opposite sides of the first body BD1 and the second body BD2 in the second direction DR2, and can be connected to the first sides OS1 and OS1' of the first body BD1 and the second body BD2. The first wing plate WPT1 and the second wing plate WPT2 can be arranged between the rotating parts RP in the second direction DR2.

[0201] exist Figure 16 In the following figures, the rotating part RP is referred to as the second rotating part RP2 (see example). Figure 16 The rotating part RP can be connected to the first body BD1 and the second body BD2 via a fastening unit such as a pin (e.g., a fastener).

[0202] A first mounting groove SG1 may be defined in the lower surfaces of the first frame FM1 and the second frame FM2, respectively. The first mounting groove SG1 may be defined adjacent to the first opening OP1 and the second opening OP2. The first mounting groove SG1 may be continuously defined from the first opening OP1 and the second opening OP2 (or may extend continuously from the first opening OP1 and the second opening OP2).

[0203] The first body BD1 and the second body BD2 can be disposed in the first mounting groove SG1. The side of the first body BD1 other than its first side OS1 can be disposed in the first mounting groove SG1 of the first frame FM1. The side of the second body BD2 other than its first side OS1' can be disposed in the first mounting groove SG1 of the second frame FM2. The portions of the first body BD1 and the second body BD2 not disposed in the first mounting groove SG1 can be exposed upwards by the first opening OP1 and the second opening OP2.

[0204] A second mounting groove SG2 can be defined in the upper surface of the second body BD2. When... Figure 8 As illustrated, when the bending area BA is bent so that the second area AA2 is positioned below the first area AA1, the second area AA2 and the printed circuit board PCB can be positioned in the second mounting slot SG2.

[0205] The third mounting groove SG3 may be defined in the portion of the lower surface of the first body BD1 and the second body BD2 adjacent to opposite sides of the first body BD1 and the second body BD2 in the second direction DR2. The third mounting groove SG3 may be defined from opposite sides of the first body BD1 and the second body BD2 in the second direction DR2. The third mounting groove SG3 may extend in the first direction DR1.

[0206] The sliding unit SU can be disposed below the first body BD1 and the second body BD2, and can overlap with the first body BD1 and the second body BD2. The sliding unit SU can be disposed adjacent to the opposite sides of the first body BD1 and the second body BD2 in the second direction DR2. The sliding unit SU can be disposed in the third mounting groove SG3.

[0207] Multiple sliding openings SOPs may be defined in the first body BD1 and the second body BD2. The sliding openings SOPs may extend in the first direction DR1. The sliding openings SOPs may be adjacent to opposite sides of the first body BD1 and the second body BD2 in the second direction DR2. The sliding openings SOPs may be defined in the portion of the first body BD1 and the second body BD2 that defines the third mounting groove SG3.

[0208] The sliding opening SOP may not overlap with the first opening OP1 and the second opening OP2. The sliding opening SOP may overlap with a portion of the first mounting slot SG1 defined by the first frame FM1 and the second frame FM2.

[0209] The sliding element SU can be configured to overlap with the sliding opening SOP, respectively. When viewed from above the plane, the area of ​​each of the sliding elements SU can be larger than the area of ​​each of the sliding openings SOP.

[0210] The sliding unit SU can be connected to the first frame FM1 and the second frame FM2 through the sliding opening SOP. The first frame FM1 and the second frame FM2 may include a plurality of protrusions PT projecting from the lower surface of the first mounting groove SG1 of the first frame FM1 and the second frame FM2 toward the sliding unit SU. The protrusions PT may be disposed in the sliding opening SOP.

[0211] The sliding unit SU can be connected to the protrusion PT. The sliding unit SU can be connected to the first frame FM1 and the second frame FM2 via the protrusion PT. The protrusion PT can move within the sliding opening SOP along the first direction DR1. This configuration will be described in more detail below.

[0212] The sliding unit SU can be connected to the protrusion PT by a fastening unit such as a screw (e.g., a fastener).

[0213] Figure 14 This is an example Figure 12 An exploded perspective view of the front side of the first folding kit illustrated in the image. Figure 15 This is an example Figure 13 An exploded perspective view of the rear side of the first folding kit illustrated in the image.

[0214] refer to Figure 12, Figure 13 , Figure 14 and Figure 15 The first frame FM1 may include a plurality of first extensions EX1 spaced apart from each other and extending parallel to each other in the second direction DR1, and a second extension EX2 extending in the second direction DR2. The second frame FM2 may include a plurality of first extensions EX1' spaced apart from each other in the second direction DR2 and extending parallel to each other in the first direction DR1, and a second extension EX2' extending in the second direction DR2.

[0215] The first side of the first extension EX1 and the first side of the first extension EX1' may face each other in the first direction DR1. The second extension EX2 may extend from the second side of the first extension EX1 opposite to the first side of the first extension EX1 in the second direction DR2. The second extension EX2' may extend from the second side of the first extension EX1' opposite to the first side of the first extension EX1' in the second direction DR2.

[0216] The first mounting groove SG1 can be defined in the lower surface of the first extension EX1, the lower surface of the second extension EX2, the lower surface of the first extension EX1', and the lower surface of the second extension EX2'. The protrusion PT can protrude downward from the first extension EX1 and the first extension EX1'.

[0217] The hinge HG may include a central frame CFM and a plurality of first rotating parts RP1. The central frame CFM may be disposed between the first extension EX1 and the first extension EX1', and may extend in the second direction DR2. The central frame CFM may be connected to the first frame FM1 and the second frame FM2 via the first rotating parts RP1.

[0218] The aforementioned first opening OP1 and first frame shape FMF1 can be defined by the interconnected central frame CFM and first frame FM1. The aforementioned second opening OP2 and second frame shape FMF2 can be defined by the interconnected central frame CFM and second frame FM2.

[0219] The adjacent portions of the central frame CFM on opposite sides of each other in the second direction DR2 can be defined as the first portion PP1. The portion of the central frame CFM located inside the first portion PP1 can be defined as the second portion PP2. A first groove GG1 can be defined in the upper surface of the first portion PP1, and a second groove GG2 can be defined in the upper surface of the second portion PP2.

[0220] A slot GG may be defined in the portion between the second parts PP2 of the central frame CFM. The slot GG may extend in the second direction DR2. The slot GG may be defined adjacent to the first opening OP1 and the second opening OP2 in the first direction DR1.

[0221] The first rotating part RP1 may extend in the first direction DR1. The first rotating part RP1 may be connected to the first frame FM1 and the second frame FM2. For example, the first rotating part RP1 may be connected to the first extension EX1 of the first frame FM1 and the first extension EX1' of the second frame FM2.

[0222] The first rotating part RP1, with its first sides facing each other in the first direction DR1, may include gears GR and may be configured to mesh with each other. The first rotating part RP1 may be rotatably connected to the first portion PP1 of the center frame CFM. The first side of the first rotating part RP1 may be disposed in a first groove GG1 defined in the first portion PP1 and may be rotatably connected to and attached to the center frame CFM.

[0223] The first rotating part RP1 may define first dual-axis rotation axes RX1 and RX2. The first dual-axis rotation axes RX1 and RX2 may be adjacent to a first side of the first rotating part RP1 and may be defined as the rotation axes of the gear GR. The first rotating part RP1 may rotate about the first dual-axis rotation axes RX1 and RX2. The first dual-axis rotation axes RX1 and RX2 may overlap with the central frame CFM.

[0224] The first rotating part RP1 can be connected to the first frame FM1, the second frame FM2 and the center frame CFM by fastening units such as pins (e.g., fasteners).

[0225] Figure 16 This is an example Figure 12 An exploded perspective view of the front side of the second folding kit, as illustrated in the image. Figure 17 This is an example Figure 13 An exploded perspective view of the rear side of the second folding kit illustrated in the image.

[0226] refer to Figure 12 , Figure 13 , Figure 16 and Figure 17 The first body BD1 may include a first protrusion PT1 protruding toward the second body BD2 from opposite sides of the first side OS1 in the second direction DR2. The second body BD2 may include a second protrusion PT2 protruding toward the first body BD1 from opposite sides of the first side OS1' in the second direction DR2.

[0227] Depending on this structure, a first internal groove IGG1 can be defined between the first protrusions PT1. Additionally, a second internal groove IGG2 can be defined between the second protrusions PT2.

[0228] The first side of the first wing plate WPT1 facing the first main body BD1, OS1, can be located in the first internal groove IGG1. The first side of the second wing plate WPT2 facing the second main body BD2, OS1', can be located in the second internal groove IGG2.

[0229] The first wing plate WPT1 can be rotatably connected to the first protrusion PT1. The aforementioned first wing rotation axis WRX1 can be defined by the first wing plate WPT1 and the first protrusion PT1, which are rotatably connected to each other.

[0230] The second wing plate WPT2 can be rotatably connected to the second protrusion PT2. The aforementioned second wing rotation axis WRX2 can be defined by the second wing plate WPT2 and the second protrusion PT2, which are rotatably connected to each other.

[0231] The second rotating part RP2 (the aforementioned rotating part RP) can be disposed adjacent to the first protrusion PT1 and the second protrusion PT2 in the first direction DR1. The second rotating part RP2 can be connected to the first protrusion PT1 and the second protrusion PT2.

[0232] refer to Figure 11 , Figure 12 , Figure 14 , Figure 16 and Figure 17 The first wing plate WPT1 and the second wing plate WPT2 can be disposed on the central frame CFM. For example, the first wing plate WPT1 and the second wing plate WPT2 can be disposed above the slot GG defined in the central frame CFM.

[0233] The first sides of the second rotating parts RP2, which face each other in the first direction DR1, can be arranged adjacent to each other. The second side of the second rotating parts RP2 can be connected to the first protrusion PT1 and the second protrusion PT2. The second side of the second rotating parts RP2 can be disposed in a groove defined in the first protrusion PT1 and the second protrusion PT2, and can be connected to the first protrusion PT1 and the second protrusion PT2.

[0234] The second rotating part RP2 can be rotatably connected to the second part PP2 of the central frame CFM. The first side of the second rotating part RP2 can be disposed in the second groove GG2 defined in the second part PP2, and can be rotatably connected to the central frame CFM.

[0235] The second rotating part RP2 may define second dual-axis rotation axes RX1' and RX2'. The second dual-axis rotation axes RX1' and RX2' may be spaced apart from each other in a first direction DR1 and may extend parallel to each other in a second direction DR2. The second dual-axis rotation axes RX1' and RX2' may be defined adjacent to a first side of the second rotating part RP2. The second rotating part RP2 may rotate about the second dual-axis rotation axes RX1' and RX2'. The second dual-axis rotation axes RX1' and RX2' may overlap with the central frame CFM.

[0236] The second rotating part RP2 can be connected to the first protrusion PT1, the second protrusion PT2 and the center frame CFM by fastening units such as pins (e.g., fasteners).

[0237] Figure 18 This is an example Figure 11 An enlarged view of the part in which a pair of first rotating parts and a pair of second rotating parts of the folding kit are arranged adjacent to each other. Figure 19 This is a side view of the first and second rotating parts as seen from the second direction.

[0238] For example, Figure 19 This illustration shows a configuration where the second rotating part RP2 is positioned at the front and the first rotating part RP1 is positioned behind the second rotating part RP2. The second rotating part RP2 is shown in solid lines, and the hidden portion of the first rotating part RP1 positioned at the rear is shown in dashed lines.

[0239] refer to Figure 18 and Figure 19 The first dual-axis rotation axes RX1 and RX2 defined by the first rotating part RP1 can be spaced apart from the second dual-axis rotation axes RX1' and RX2' defined by the second rotating part RP2, and do not overlap with the second dual-axis rotation axes RX1' and RX2'. The second dual-axis rotation axes RX1' and RX2' can be located below the first dual-axis rotation axes RX1 and RX2.

[0240] Figure 20 This is an example of an instance in an expanded state. Figure 11 The diagram illustrates a folding kit. Figure 21 This is an example of something in a folded state. Figure 11 The diagram illustrates a folding kit.

[0241] refer to Figure 10 , Figure 11 , Figure 20 and Figure 21 The display device DD can be mounted on the second folding assembly FST2 within the first opening OP1 and the second opening OP2. The display device DD can also be mounted on the first main body BD1, the second main body BD2, the first wing plate WPT1, and the second wing plate WPT2.

[0242] The folding kit FST can be folded by rotating about the first dual-axis rotation axes RX1 and RX2. The first rotating part RP1 can rotate about the first dual-axis rotation axes RX1 and RX2, and the folding kit FST can be folded accordingly. The second rotating part RP2 can rotate about the second dual-axis rotation axes RX1' and RX2'.

[0243] When the folding kit FST is folded, the first frame FM1 and the second frame FM2 can be positioned facing each other, and the first body BD1 and the second body BD2 can also be positioned facing each other. Depending on this operation, the display device DD attached to the folding kit FST can be folded.

[0244] Figure 22 It is along Figure 10 The cross-sectional view taken from line II-II' in the diagram. Figure 23 yes Figure 22 An enlarged view of the first area A1 in the image. Figure 24 This is an example Figure 22 The diagram illustrates the folded state of the folding kit.

[0245] refer to Figure 22 , Figure 23 and Figure 24 The sliding unit SU can be disposed in the first mounting groove SG1, and the protrusion PT can be disposed in the sliding opening SOP. The sliding unit SU can be connected to the protrusion PT, and correspondingly, can be connected to the first frame FM1 and the second frame FM2.

[0246] The sliding unit SU can be connected to the protrusion PT, and the first body BD1 and the second body BD2 can be disposed between the sliding unit SU and the first frame FM1 and the second frame FM2. Because the sliding unit SU has a larger area than the sliding opening SOP, the first body BD1 and the second body BD2 can be stably disposed between the sliding unit SU and the first frame FM1 and the second frame FM2.

[0247] The first end EP1 of the first body BD1, facing outwards, may face the first inner surface IS1 of the first frame FM1 that defines the first mounting groove SG1. The second end EP2 of the second body BD2, facing outwards, may face the second inner surface IS2 of the second frame FM2 that defines the first mounting groove SG1.

[0248] The first end EP1 of the first body BD1 can be defined as the second side of the first body BD1 opposite to the first side OS1 of the first body BD1. The second end EP2 of the second body BD2 can be defined as the second side of the second body BD2 opposite to the first side OS1' of the second body BD2.

[0249] refer to Figure 22 and Figure 24 When the folding kit FST is folded and unfolded by rotating about the first dual-axis rotation axes RX1 and RX2, the protrusion PT can move along the sliding opening SOP. For example, when the first folding kit FST1 is folded and unfolded by the hinge HG, the protrusion PT can move along the sliding opening SOP. Depending on the movement of the protrusion PT, the sliding unit SU, the first frame FM1, and the second frame FM2 can move together in the extending direction of the sliding opening SOP.

[0250] The first body BD1 and the second body BD2 can also move relative to the protrusion PT through the sliding opening SOP. For example, the first body BD1 and the second body BD2 can also move relative to the sliding unit SU, the first frame FM1 and the second frame FM2 through the sliding opening SOP. Accordingly, the first folding kit FST1 and the second folding kit FST2 can be connected to slide relative to each other.

[0251] refer to Figure 22 When the folding kit FST is unfolded, the gap between the first end EP1 and the first inner surface IS1 and the gap between the second end EP2 and the second inner surface IS2 can have a first gap GP1.

[0252] refer to Figure 24 When the folding kit FST is folded by rotating about the first dual-axis rotation axes RX1 and RX2, the protrusion PT can move relative to each other with the first body BD1 and the second body BD2.

[0253] When compared to (or relative to) the protrusion PT, the first body BD1 and the second body BD2 can move toward the center portion of the folding kit FST. For example, when compared to the sliding unit SU, the first frame FM1, and the second frame FM2, the first body BD1 and the second body BD2 can move toward the center portion of the folding kit FST.

[0254] When compared to the first body BD1 and the second body BD2, the protrusion PT can move away from the center portion of the folding kit FST. For example, when compared to the first body BD1 and the second body BD2, the sliding unit SU, the first frame FM1, and the second frame FM2 can move away from the center portion of the folding kit FST.

[0255] According to the sliding operation, the first folding kit FST1 can move inward (e.g., toward the center portion of the folding kit FST) compared to the second folding kit FST2. As described above, the first folding kit FST1 can rotate about the first dual-axis rotation axes RX1 and RX2 via the first rotating part RP1. However, the second rotating part RP2 of the second folding kit FST2 can rotate about the second dual-axis rotation axes RX1' and RX2'.

[0256] When the folding kit FST is folded, the gap between the first end EP1 and the first inner surface IS1, and the gap between the second end EP2 and the second inner surface IS2, can have a second gap GP2, which is greater than the first gap GP1. The difference between the first gap GP1 and the second gap GP2 can be defined as the sliding gap.

[0257] In order to allow the first folding kit FST1 to move a sliding gap toward the center portion of the folding kit FST when compared with the second folding kit FST2, the second dual-axis rotation axes RX1' and RX2' can be positioned below the first dual-axis rotation axes RX1 and RX2.

[0258] Figure 25 It is along Figure 10 The cross-sectional view taken from line III-III′ in the diagram. Figure 26 This is an example of something in a folded state. Figure 25 The diagram illustrates the folding kit and display device.

[0259] refer to Figure 25 and Figure 26 The display device DD can be folded when the folding kit FST is folded by rotating about the first dual-axis rotation axes RX1 and RX2. The display device DD can be disposed on the first body BD1 and the second body BD2 exposed by the first opening OP1 and the second opening OP2. In addition, the periphery of the display device DD can be disposed on the inner surfaces of the first frame FM1 and the second frame FM2 that define the first opening OP1 and the second opening OP2.

[0260] When the folding kit FST is folded, the first wing plate WPT1 and the second wing plate WPT2 can also rotate around the first wing rotation axis WRX1 and the second wing rotation axis WRX2, respectively. When the folding kit FST is folded, the first sides of the first wing plate WPT1 and the second wing plate WPT2 that face each other when the folding kit FST is unfolded can move away from each other.

[0261] When the folding kit FST is folded, the display device DD can be folded into a dumbbell shape. When the display device DD is folded into a dumbbell shape, the first extension EX1 can be disposed on the first wing plate WPT1, and the second extension EX2 can be disposed on the second wing plate WPT2. The first wing plate WPT1 can support the first extension EX1, and the second wing plate WPT2 can support the second extension EX2.

[0262] Figure 27 It is along Figure 10 The cross-sectional view taken from line IV-IV' in the diagram.

[0263] exist Figure 27 For ease of description, the lower part of the first main body BD1 and the components below the first main body BD1 are omitted.

[0264] refer to Figure 27 The upper portion of the inner surface IS11 of the first frame FM1 defining the first opening OP1 may have a stepped portion ST, which has a stepped shape. Although not illustrated in the cross-sectional view, the upper portion of the inner surface of the second frame FM2 defining the second opening OP2 may also have a stepped portion, which has a stepped shape. The stepped portion ST may have a flat bottom surface BS and a side surface SS extending upward from the end of the bottom surface BS facing the interior of the first frame FM1 (or the interior of the second frame FM2). In some embodiments, the side surface SS may face the interior of the first frame FM1 (or the interior of the second frame FM2).

[0265] As described above, the display device DD can be disposed on the first body BD1 and the second body BD2 exposed by the first opening OP1 and the second opening OP2. Alternatively, the display device DD can be disposed on the stepped portion ST.

[0266] The display device DD can be attached to the upper surface of the first body BD1 and the bottom surface BS of the stepped portion ST of the first frame FM1. Similarly, the display device DD can also be attached to the upper surface of the second body BD2 and the bottom surface of the stepped portion of the second frame FM2.

[0267] The support plate PLT can be disposed on the first body BD1 and the second body BD2. The periphery of the window protective layer WP can extend further outward than the electronic panel EP, the window WIN, and the support plate PLT (e.g., it can extend beyond the electronic panel EP, the window WIN, and the support plate PLT), and can be disposed on the step portion ST. The periphery of the window protective layer WP can be disposed on the bottom surface BS. The periphery of the window protective layer WP can be disposed on the side surface SS that contacts the step portion ST.

[0268] The adhesive layer AL can be disposed between the portion of the window protective layer WP that overlaps with the bottom surface BS and the bottom surface BS. The sixth adhesive layer AL6 can be disposed between the support plate PLT and the first body BD1. The portion of the window protective layer WP that overlaps with the bottom surface BS and the bottom surface BS can be bonded to each other through the adhesive layer AL. The support plate PLT and the first body BD1 can be bonded to each other through the sixth adhesive layer AL6.

[0269] Similarly, the window protective layer WP can be attached to the bottom surface of the stepped portion of the second frame FM2 via the adhesive layer AL. Additionally, the support plate PLT can be attached to the second body BD2 via the sixth adhesive layer AL6.

[0270] According to the above structure, the display device DD can be more securely attached and fixed to the first frame FM1, the second frame FM2, the first body BD1, and the second body BD2.

[0271] Figure 28A It is when viewed from the second direction Figure 1 The display device shown in the example is a side view of the display device. Figure 28B This is an example of something in a folded state. Figure 28A The diagram illustrates a display device.

[0272] refer to Figure 28A and Figure 28B The upper side of the display device DD can protrude further outward when the display device DD is folded than when the display device DD is unfolded. This deformation can occur depending on the deformation of the adhesive layer with fluidity.

[0273] Figure 29 This is an example when Figure 27 The diagram illustrates the deformed state of the display device when it is folded.

[0274] refer to Figure 25 , Figure 26 , Figure 27 , Figure 28A , Figure 28B and Figure 29 When the folding kit FST folds to fold the display device DD, the first adhesive layer AL1 to the sixth adhesive layer AL6, which have fluidity, can slide.

[0275] Compared to the sliding unit SU, the first frame FM1, and the second frame FM2, the first body BD1 and the second body BD2 can move toward the center portion of the folding kit FST. Correspondingly, the first adhesive layer AL1 to the sixth adhesive layer AL6 can slide toward the center portion of the folding kit FST. Additionally, the window WIN, the impact-absorbing layer ISL, the electronic panel EP, the panel protective layer PPL, and the support plate PLT, all disposed beneath the window protective layer WP, can slide toward the center portion of the folding kit FST.

[0276] When the folding kit FST unfolds, causing the display device DD to unfold, the first adhesive layer AL1 to the sixth adhesive layer AL6 can slide to return to the correct (or original) position. Additionally, when the display device DD unfolds, the window WIN, the shock-absorbing layer ISL, the electronic panel EP, the panel protective layer PPL, and the support plate PLT can slide to return to the correct (or original) position.

[0277] As described above, the window protective layer WP of the upper structure of the display device DD can be attached and fixed to the first frame FM1 and the second frame FM2, and the support plate PLT can be attached and fixed to the first body BD1 and the second body BD2. Accordingly, the display device DD can be more securely fixed to the folding kit FST.

[0278] Because the window protective layer WP of the upper structure of the display device DD is attached and fixed to the step portion ST, the position of the window protective layer WP can be fixed. In this embodiment, the positions of the window module WM and the display module DM can also remain more constant.

[0279] In the aforementioned fixed state, the display device DD can have a low degree of freedom. A degree of freedom can be defined as the extent to which the display device DD can move in each direction. When the display device DD is folded and unfolded in this low-degree-of-freedom fixed state, the amount of expansion and contraction of the first adhesive layer AL1 to the sixth adhesive layer AL6 can be more constant.

[0280] Figure 30 This is a diagram illustrating the construction of the folding kit according to the comparative example. Figure 31 This is an example when Figure 30 The diagram illustrates the deformation state of the display device when the folding kit is folded.

[0281] refer to Figure 30 The folding kit FST' may not include the first folding kit FST1, and may only include the second folding kit FST2. Only the first body BD1 and the second body BD2 can be disposed under the display device DD, and accordingly, the support plate PLT can be attached and fixed to the first body BD1 and the second body BD2.

[0282] The display module DM and window module WM, mounted on the support plate PLT, may not be fixed to the comparison folding kit FST'. Accordingly, the display module DM and window module WM on the support plate PLT may have a higher degree of freedom than when using the first folding kit FST1.

[0283] When the display device DD folds and unfolds along with the comparison folding kit FST', the first adhesive layer AL1 to the sixth adhesive layer AL6 can slide. With a high degree of freedom, the window protective layer WP, window WIN, electronic panel EP, shock-absorbing layer ISL, and panel protective layer PPL can move in various directions depending on the sliding of the first adhesive layer AL1 to the sixth adhesive layer AL6. Furthermore, the amount of expansion and contraction of the first adhesive layer AL1 to the sixth adhesive layer AL6 can be varied. In this case, the display device DD can deform more quickly.

[0284] In addition, such as Figure 31 As illustrated, when the display device DD is folded, the window protective layer WP, window WIN, electronic panel EP, shock-absorbing layer ISL, and panel protective layer PPL disposed on the support plate PLT may slide outward depending on the deformation of the first adhesive layer AL1 to the sixth adhesive layer AL6. In this case, a separate decorative layer DCO (illustrated by dashed lines) may be required to conceal the outwardly sliding window protective layer WP, window WIN, electronic panel EP, shock-absorbing layer ISL, and panel protective layer PPL.

[0285] In the embodiments of this disclosure, because the support plate PLT and the window protective layer WP are fixed to the first folding kit FST1 and the second folding kit FST2, the degrees of freedom of the display device DD can be reduced. Accordingly, the positions of the window module WM and the display module DM can remain more constant, and the amount of expansion and contraction of the first adhesive layer AL1 to the sixth adhesive layer AL6 can be more constant. Therefore, the deformation of the display device DD can be reduced.

[0286] Figure 32 This is a diagram illustrating the construction of the second rotating part according to an embodiment of the present disclosure.

[0287] refer to Figure 32 ,and Figure 19 Unlike the second rotating part RP2 illustrated in the example, the first sides of the second rotating parts RP2' facing each other in the first direction DR1 may include a dummy gear DGR and may be configured to mesh with each other.

[0288] Figure 33A and Figure 33B This is a diagram illustrating the construction of a folding kit according to an embodiment of the present disclosure.

[0289] Figure 33AThis can represent the FST-1 folding kit in its unfolded state, and Figure 33B This can be interpreted as the folding kit FST-1 being in a folded state.

[0290] refer to Figure 33A The first folding kit FST1-1 of the folding kit FST-1 may include an elastic part ELS and a guide part GIP disposed in the first frame FM1. A hole (e.g., an opening) H that opens toward the first body BD1 in the first direction DR1 may be defined in the first frame FM1.

[0291] The elastic part ELS and the guide part GIP can be disposed in the hole H. The guide part GIP can be disposed between the elastic part ELS and the first body BD1, and can contact the first body BD1. The elastic force of the elastic part ELS can be applied to the first body BD1 through the guide part GIP.

[0292] The elastic part ELS and the guide part GIP can be disposed in the second frame FM2, and the guide part GIP can be disposed between the elastic part ELS and the second body BD2 and can contact the second body BD2.

[0293] refer to Figure 33A and Figure 33B The elastic force of the elastic part ELS can be applied to the first body BD1 through the guide part GIP, and therefore, the movement state of the first body BD1 can be more firmly fixed during folding and unfolding operations.

[0294] According to embodiments of this disclosure, the display device can be disposed on the upper surface of the second folding assembly exposed through the opening of the first folding assembly, and can be fixedly disposed on a stepped portion of the inner surface of the first folding assembly defining the opening. Accordingly, the display device can be folded and unfolded while being more securely fixed to the folding assembly, and thus, deformation of the display device can be reduced.

[0295] Although this disclosure has been described in conjunction with embodiments thereof, those skilled in the art will understand that various changes in form and detail may be made in this disclosure without departing from the spirit and scope of this disclosure as set forth in the appended claims and their equivalents. Furthermore, the embodiments disclosed herein are not intended to limit the technical spirit of this disclosure, and all technical concepts falling within the scope of the appended claims and their equivalents should be construed as being included within the scope of this disclosure.

Claims

1. A folding kit, comprising: The first folding kit includes a first frame, a second frame, and a hinge between the first frame and the second frame; as well as The second folding kit includes a first body under the first frame and a second body under the second frame. The first frame and the hinge are connected to each other to define a first frame shape having a first opening therein, and the second frame and the hinge are connected to each other to define a second frame shape having a second opening therein. The first body is exposed by the first opening, and the second body is exposed by the second opening.

2. The folding kit of claim 1, wherein each of the upper portion of the inner surface of the first frame defining the first opening and the upper portion of the inner surface of the second frame defining the second opening has a stepped portion, the stepped portion having a stepped shape.

3. The folding kit of claim 2, wherein the first body, the second body, and the step portion are configured to have a display device thereon.

4. The folding kit of claim 3, wherein the step portion has: A flat bottom surface; and The side surface extends upward from the end of the bottom surface and faces the interior of a corresponding one of the first frame and the second frame, and The display device is attached to the upper surface of the first body, the upper surface of the second body, and the bottom surface of the stepped portion.

5. The folding kit of claim 4, wherein the display device comprises: Electronic panels; The window is on the electronic panel; Window protective layer, on the window; as well as A support plate, located below the electronic panel and on the first and second bodies, and The periphery of the window protective layer extends outward relative to the electronic panel, the window, and the support plate, and is located on the stepped portion.

6. The folding kit of claim 5, wherein the periphery of the window protective layer contacts the side surface of the step portion.

7. The folding kit of claim 1, wherein the first frame and the second frame are spaced apart from each other in a first direction, and The hinge is defined on a first biaxial axis of rotation that extends parallel to each other in a second direction that intersects the first direction.

8. The folding kit of claim 7, wherein the hinge comprises: The central frame extends in the second direction; as well as A plurality of first rotating parts are rotatably connected to a first portion of the central frame to define a first dual-axis rotation axis, the first portion of the central frame being adjacent to opposite sides of the central frame in the second direction. The first rotating part extends in the first direction and is connected to the first frame and the second frame, and The first side of the plurality of first rotating parts facing each other in the first direction includes a gear and is configured to mesh with each other.

9. The folding kit of claim 8, wherein the second folding kit further comprises: A first wing plate is rotatably connected to the first side of the first body facing the second body; The second wing plate is rotatably connected to the first side of the second body facing the first body; as well as A plurality of second rotating portions are adjacent to and connected to the opposite sides of the first body and the opposite sides of the second body, respectively, wherein the opposite sides of the first body and the opposite sides of the second body are opposite to each other in the second direction. The first wing plate and the second wing plate are located between the plurality of second rotating parts in the second direction.

10. The folding kit of claim 9, wherein the first wing and the second wing are on the central frame. The second rotating part is rotatably connected to a second part of the central frame arranged inside the first part to define a second dual-axis rotation axis. The first dual-axis rotation axis is spaced apart from the second dual-axis rotation axis.

11. The folding kit of claim 10, wherein the second dual-axis rotation axis is defined below the first dual-axis rotation axis.

12. The folding kit of claim 9, wherein the first sides of the plurality of second rotating portions facing each other in the first direction include dummy gears and are configured to mesh with each other.

13. The folding kit of claim 1, wherein the first folding kit and the second folding kit are coupled to slide relative to each other.

14. The folding kit of claim 13, further comprising: Multiple sliding units are located below the first body and the second body. The sliding unit is connected to the first frame and the second frame through a sliding opening defined in the first body and the second body.

15. The folding kit of claim 14, wherein each of the first frame and the second frame includes a plurality of protrusions projecting toward the sliding unit, and The protrusion is connected to the sliding unit.

16. The folding kit of claim 15, wherein the protrusion is configured to move along the sliding opening when the first folding kit is folded and unfolded via the hinge.

17. The folding kit of claim 14, wherein, When viewed from above the plane, each of the plurality of sliding units has an area larger than the area of ​​each of the sliding openings.

18. The folding kit according to any one of claims 1 to 17, further comprising: An elastic portion is present in each of the first frame and the second frame; as well as A guide portion is located between the elastic portion and each of the first and second bodies.

19. A folding kit, comprising: The first folding kit includes a first frame, a second frame, and a hinge between the first frame and the second frame; as well as The second folding kit includes a first body under the first frame and a second body under the second frame. The first frame and the hinge are connected to each other to define a first frame shape having a first opening therein, and the second frame and the hinge are connected to each other to define a second frame shape having a second opening therein. Each of the upper portion of the inner surface of the first frame defining the first opening and the upper portion of the inner surface of the second frame defining the second opening has a stepped portion, the stepped portion having a stepped shape.

20. An electronic device comprising: A first folding kit includes a first frame, a second frame, and a hinge between the first frame and the second frame, the first folding kit having an opening defined between the hinge and the first frame and between the hinge and the second frame; The second folding kit includes a first body under the first frame and a second body under the second frame; as well as The display device extends through the opening onto the second folding kit. Each of the upper portion of the inner surface of the first frame defining the opening and the upper portion of the inner surface of the second frame has a stepped portion, the stepped portion having a stepped shape, and The display device is located on the first body, the second body, and the stepped portion.

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