Indication device

Abstract

This design ensures the mechanical rigidity of the metal plate located at the bottom of the display panel while simultaneously improving its bending characteristics. [Solution] An embodiment of the present specification includes a metal plate disposed at the bottom of a display panel, the bending region includes a first bending region corresponding to the side of the non-bending region and a second bending region corresponding to the corner of the non-bending region, the metal plate includes a first portion disposed in the non-bending region and a second portion disposed in the bending region, the second portion includes a plurality of first frame portions disposed in the first bending region and a plurality of second frame portions disposed in the second bending region, and the mechanical rigidity of the metal plate can be ensured while simultaneously improving the bending characteristics by arranging the plurality of second frame portions spaced apart from each other in at least one second bending region.

Description

Technical Field

[0001] This specification relates to a display device, and more particularly to a display device with ensured mechanical rigidity.

Background Art

[0002] In recent years, as society has entered a full-fledged information age, the field of display devices (displays) that process and display large amounts of information has been rapidly developing. Display devices used in computer monitors, TVs, mobile phones, etc. include organic light-emitting display devices (Organic Light Emitting Display; OLED) that emit light by themselves, and liquid crystal display devices (Liquid Crystal Display; LCD) that require a separate light source.

[0003] The application range of display devices is diverse, not only limited to computer monitors and TVs but also including personal mobile devices. Research is underway on display devices that have a large display area while having a reduced volume and weight.

[0004] Particularly recently, flexible display devices that are manufactured to enable image display even when bent or folded like paper have attracted attention as next-generation display devices. Flexible display devices can be classified into unbreakable (using a plastic thin-film transistor substrate instead of glass), bendable (able to bend without breaking), rollable (able to be rolled up), foldable (able to be folded), etc. Such flexible display devices have advantages in space utilization, interior, and design, and can have various application fields.

[0005] On the other hand, a display device including a bending area must maintain a flat shape in the central part and a bent shape on the sides, including the corners. Consequently, shrinkage deformation occurring in the structure supporting the shape of the display panel in the bending area can prevent the display panel from shrinking smoothly, resulting in wrinkles or damage and a decrease in the display quality of the display panel. [Overview of the project] [Problems that the invention aims to solve]

[0006] The problem that this specification aims to solve is to provide a display device that can prevent wrinkles from forming on a metal plate due to compressive stress generated in the corner region of a display device that includes a bending region.

[0007] The problem that this specification aims to solve is to provide a display device that can improve the mechanical rigidity of a metal plate in the bending region while simultaneously improving its bending characteristics.

[0008] The problems described herein are not limited to those mentioned above, and other problems not mentioned can be clearly understood by those skilled in the art from the following description. [Means for solving the problem]

[0009] A display device according to one embodiment of this specification includes a display panel including a non-bending area and a bending area, the bending area including a first bending area corresponding to the side portion of the non-bending area and a second bending area corresponding to the corner of the non-bending area, and a metal plate disposed at the bottom of the display panel, the metal plate including a first part corresponding to the non-bending area and a second part corresponding to the bending area, the second part including a first sub-area corresponding to the first bending area and a second sub-area corresponding to the second bending area, the second part including a frame, the frame including a first frame disposed in the first sub-area and a plurality of second frame parts disposed in the second sub-area spaced apart from each other.

[0010] Specific details of other embodiments are included in the detailed description and drawings.

[0011] According to the embodiments described herein, by arranging multiple frame portions of a metal plate positioned at the corners of the display device at a distance from each other, it is possible to prevent defects such as wrinkles from occurring in the metal plate even when compressive stress is concentrated.

[0012] According to the embodiments of this specification, by making the shapes of the upper and lower patterns of the metal plate different, it is possible to improve mechanical rigidity while simultaneously ensuring bending characteristics.

[0013] According to the embodiments of this specification, by preventing peeling of the protective film during the process of applying the metal plate to the display device, it is possible to reduce production energy due to peeling defects and optimize the process.

[0014] The effects described herein are not limited to those exemplified above, and a wider variety of effects are included within this specification. [Brief explanation of the drawing]

[0015] [Figure 1] This is a schematic perspective view of a display device according to one embodiment of this specification. [Figure 2] This is an enlarged view of region X in Figure 1. [Figure 3] This is a schematic exploded perspective view of a display device according to one embodiment of this specification. [Figure 4] This is a cross-sectional view along line AB in Figure 3. [Figure 5] This is a cross-sectional view along CD in Figure 3. [Figure 6] This is an enlarged view of the Y region in Figure 3. [Figure 7] This is an enlarged view showing a portion of the second frame and a plurality of sub-connecting parts of a metal plate according to one embodiment of this specification. [Figure 8]This is a diagram showing a part of the upper surface of a connecting portion disposed in a second sub-region in a second part of a metal plate included in a display device according to an embodiment of the present specification. [Figure 9] This is a diagram showing a part of the back surface of a connecting portion disposed in a second sub-region in a second part of a metal plate included in a display device according to an embodiment of the present specification. [Figure 10] It is a cross-sectional view taken along the line E-F of FIG. 8. [Figure 11] It is a cross-sectional view taken along the line G-H of FIG. 6.

Mode for Carrying Out the Invention

[0016] The advantages and features of the present specification, and the methods for achieving them, will become clear by referring to the embodiments described in detail below together with the accompanying drawings. However, the present specification is not limited to the embodiments disclosed below, and is embodied in various different forms. Merely, these embodiments are provided so that the disclosure of the present specification becomes complete, and to fully inform those with ordinary knowledge in the technical field to which the present specification pertains of the scope of the specification.

[0017] The shapes, areas, ratios, angles, numbers, etc. disclosed in the drawings for explaining the embodiments of the present specification are exemplary, so the present specification is not limited to the matters illustrated. Throughout the specification, the same reference numerals refer to the same components. Also, in explaining the present specification, when it is determined that a detailed description of related known technologies may obscure the gist of the present specification, the detailed description thereof is omitted. When terms such as "including", "having", "being made" as mentioned in the present specification are used, other parts can be added as long as "only" is not used. When a component is expressed in the singular, it includes the case of including a plurality unless otherwise explicitly stated.

[0018] When interpreting a component, it is interpreted as including an error range even without a separate explicit description.

[0019] When it comes to the description of positional relationships, for example, when the positional relationship between two parts is described such as "above ~", "on the upper part of ~", "on the lower part of ~", "next to ~", etc., as long as "immediately" or "directly" is not used, one or more other parts may be located between the two parts.

[0020] An element or layer that is referred to as "on" another element or layer includes both the case where it is immediately above the other element and the case where another layer or element is interposed between them and in the middle.

[0021] Also, although the first, second, etc. are used to describe various components, these components are not limited by these terms. These terms are merely used to distinguish one component from another.

[0022] Throughout the specification, the same reference numerals refer to the same components.

[0023] The area and thickness of each configuration shown in the drawings are shown for the convenience of explanation, and this specification is not necessarily limited to the area and thickness of the shown configuration.

[0024] The respective features of the various embodiments of this specification can be partially or wholly combined or combined with each other, enabling various technical linkages and drives. Each embodiment may be implemented independently of each other, or may be implemented together in a related relationship. All the components of each display device / device according to all the embodiments of this disclosure are operably coupled and configured.

[0025] In the following, this specification will be described with reference to the drawings.

[0026] FIG. 1 is a schematic perspective view of a display device according to an embodiment of this specification.

[0027] FIG. 2 is an enlarged view of the X region of FIG. 1.

[0028] Figure 3 is a schematic exploded perspective view of a display device according to one embodiment of this specification.

[0029] Referring to Figures 1 to 3, a display device 100 according to one embodiment of the present invention includes a display panel 110, a polarizing film 120, an adhesive layer 125, a cover window 130, a back plate 140, and a metal plate 150.

[0030] The display panel 110 is a panel on which images are displayed, and may include display elements for displaying images and circuitry for driving the display elements. For example, if the display device 100 is an organic light-emitting display device, the display elements may include organic light-emitting elements.

[0031] In the following explanation, for the sake of convenience, we will assume that the display device 100 according to one embodiment of the present invention is a display device that includes an organic light-emitting element, but we are not limited thereto.

[0032] The circuit section may include a variety of thin-film transistors, capacitors, wiring, and driver ICs for driving the organic light-emitting element.

[0033] For example, the circuit section may include, but is not limited to, a variety of configurations such as drive thin-film transistors, switching thin-film transistors, storage capacitors, gate wiring, data wiring, gate driver ICs, and data driver ICs.

[0034] The display panel 110 is an encapsulated flexible substrate on which a drive thin-film transistor and a light-emitting element are formed, and includes a very thin flexible substrate to achieve flexibility, and a display element arranged on the flexible substrate.

[0035] The flexible substrate may be formed from a flexible insulating material, such as an insulating plastic substrate selected from polyimide, polyethersulfone, polyethylene terephthalate, and polycarbonate.

[0036] Referring to Figures 1 to 3, the display panel 110 includes a non-bending area NBA and a bending area BA.

[0037] The non-bending area NBA is the area in which the display panel 110 is maintained in a flat state. The non-bending area NBA may consist entirely of the display area, or it may consist of the display area and a non-bending area surrounding the display area, but is not limited to these.

[0038] The bending area BA is the area where the display panel 110 is bent.

[0039] The bending region BA may be the region extending from the side and corner of the non-bending region NBA.

[0040] The bending area BA may be composed entirely or partially of a display area, or partially of a non-display area, but is not limited to this.

[0041] The bending region BA may include a first bending region BA1 and a second bending region BA2.

[0042] The first bending region BA1 may be a region extending from the side of the non-bending region NBA.

[0043] The second bending region BA2 may be a region extending from the corner of the non-bending region NBA.

[0044] Specifically, if the non-bending region NBA is quadrilateral in shape on a plane, the first bending region BA1 may be a region that extends from the four sides of the non-bending region NBA and is bent with a specific radius of curvature.

[0045] Furthermore, if the non-bending region NBA is quadrilateral in shape on a plane, the second bending region BA2 may be a region extending from the four corners and bent with a specific radius of curvature.

[0046] The first bending region BA1 and the second bending region BA2 may be positioned to surround the non-bending region NBA.

[0047] Furthermore, the first bending region BA1 and the second bending region BA2 may be arranged alternately. For example, one second bending region BA2 may be placed between two first bending regions BA1, and one first bending region BA1 may be placed between two second bending regions BA2.

[0048] On the other hand, the display device 100 according to one embodiment of the present invention may include a display area and a non-display area.

[0049] The display area is the area where multiple pixels are arranged to effectively display an image.

[0050] The hidden area may be positioned to surround the visible area.

[0051] The non-display area is an area where the image is not displayed, and various wiring, driver ICs, printed circuit boards, etc., for driving the pixels and driving circuits that are placed in the display area are located there. For example, various ICs such as gate driver ICs and data driver ICs, VSS wiring, etc., may be located in the non-display area.

[0052] Assuming that the video display surface of the display device 100 faces forward, the polarizing film 120 can be placed on the display surface of the display panel 110 in the direction of the display surface of the display device 100.

[0053] The polarizing film 120 can perform the role of polarizing the light emitted from the display panel 110 at a polarization angle.

[0054] The polarizing film 120 emits light polarized at the polarization angle to the outside. The polarizing film 120 may also include a function to block the reflection of light from the outside, excluding the light polarized at the polarization angle.

[0055] On the other hand, although Figure 3 shows that the display device 100 includes a polarizing film 120, the polarizing film 120 may be omitted depending on the design.

[0056] An adhesive layer 125 may be placed on the polarizing film 120. The adhesive layer 125 may contain a transparent adhesive material with high light transmittance.

[0057] A cover window 130 can be placed on the adhesive layer 125.

[0058] The cover window 130 can protect the display panel 110 from external impacts and prevent damage such as scratches.

[0059] The cover window 130 can be embodied in a cover made of a series of ductile plastics that are bendable, in order to provide a thin and flexible display device 100.

[0060] On the other hand, although not shown in Figure 2, a touch panel that selectively functions as a touch sensor may be placed between the display panel 110 and the cover window 130 as needed.

[0061] The back of the display panel 110 may include a backplate 140 for supporting the display panel 110. The backplate 140 is positioned on top of two plates positioned on the back of the display panel 110 and may therefore be referred to as the top plate. The backplate 140 may be made of a polyethylene terephthalate (PET) series material.

[0062] The backplate 140 maintains a constant curvature of the display panel 110 when the display device 100 is bent, thereby suppressing wrinkles (creases) that occur on the upper surface of the display panel 110.

[0063] Furthermore, the backplate 140 is positioned between the display panel 110 and the metal plate 150, which can suppress the phenomenon of the multiple openings in the metal plate 150 being transferred to the display screen or the display screen being distorted by the multiple openings.

[0064] A metal plate 150 for supporting the display panel 110 may be placed on the back of the backplate 140.

[0065] The metal plate 150 supports the flexible substrate that makes up the display panel 110 so that it does not sag, and can also protect the components placed on the flexible substrate from external moisture, heat, shock, etc.

[0066] The metal plate 150 is positioned as the lower of the two plates arranged on the back of the display panel 110, and therefore can be referred to as the bottom plate.

[0067] The metal plate 150 may be made of a rigid material such as stainless steel (SUS) or amorphous metal so as to maintain the shape of the display panel 110.

[0068] The metal plate 150 may include a first part 151 and a second part 152.

[0069] The first portion 151 of the metal plate 150 may be the portion corresponding to the non-bending area NBA of the display device 100.

[0070] The second portion 152 of the metal plate 150 may correspond to the bending region BA of the display device 100. Specifically, the second portion 152 of the metal plate 150 may correspond to the first bending region BA1 and the second bending region BA2 of the display device 100, respectively.

[0071] Next, with reference to Figures 4 and 5, the structure of the display device 100 according to one embodiment of this specification will be specifically described as follows.

[0072] Figure 4 is a cross-sectional view along line AB in Figure 3.

[0073] Figure 5 is a cross-sectional view along CD in Figure 3.

[0074] Referring to Figures 4 and 5, the display device 100 may include a back plate 140 placed on a metal plate 150, a display panel 110 placed on the back plate 140, a polarizing film 120 placed on the display panel 110, an adhesive layer 125 placed on the polarizing film 120, and a cover window 130 placed on the adhesive layer 125.

[0075] The metal plate 150 may include a first part 151 and a second part 152.

[0076] The first portion 151 of the metal plate 150 may have a flat upper surface.

[0077] The second portion 152 of the metal plate 150 may include a plurality of first openings 153, a plurality of second openings 154, a connecting portion 155, and frame portions 156, 157.

[0078] The multiple first openings 153, multiple second openings 154, connecting portion 155, first frame portion 156, and multiple second frame portions 157 included in the second portion 152 may be arranged in the bending area BA of the display device 100.

[0079] Specifically, the first bending region BA1 may include a plurality of first openings 153, a plurality of second openings 154, a connecting portion 155, and a first frame portion 156, all of which are included in the second portion 152 of the metal plate 150.

[0080] The second bending region BA2 may include a plurality of first openings 153, a plurality of second openings 154, a connecting portion 155, and a plurality of second frame portions 157, which are included in the second portion of the metal plate 150.

[0081] In the second portion 152 of the metal plate 150, the multiple first openings 153 and the multiple second openings 154 may be arranged spaced apart from each other.

[0082] The second portion 152 of the metal plate 150 may have a shape in which a connecting portion 155 is positioned between a plurality of first openings 153 and a plurality of second openings 154. The connecting portion 155 of the second portion 152 of the metal plate 150 can be integrally formed.

[0083] Thus, by arranging a plurality of first openings 153 and a plurality of second openings 154 in the second portion 152 of the metal plate 150, the metal plate 150 can play a role in being easily bent in the bending region BA. However, the structure of the display device 100 according to one embodiment of this specification is not limited thereto. For example, in some embodiments, openings do not need to be formed in the second portion 152 of the metal plate 150, and for example, the second portion 152 may be processed in other ways to facilitate bending.

[0084] Furthermore, by arranging multiple first openings 153 and multiple second openings 154 in the second portion 152 of the metal plate 150, the stress received at the boundary between the first portion 151 and the second portion 152 of the metal plate 150 can be reduced, thereby preventing abrupt changes in the rigidity of the metal plate 150.

[0085] The structure of the metal plate 150 of the display device 100 according to one embodiment of this specification will be described in detail as follows.

[0086] Figure 6 is an enlarged view of the Y region in Figure 3.

[0087] Figure 7 is an enlarged view showing a portion of the second frame and a plurality of sub-connecting parts of a metal plate according to one embodiment of this specification.

[0088] Referring to Figures 6 and 7, the metal plate 150 of the display device 100 may include a first part 151 and a second part 152.

[0089] The first portion 151 of the metal plate 150 may be the portion corresponding to the non-bending region NBA of the display device 100.

[0090] Therefore, the first portion 151 of the metal plate 150 may include a region that remains planar. That is, the first portion 151 of the metal plate 150 may include a region that is not bent at a specific radius of curvature.

[0091] The second portion 152 of the metal plate 150 may be the portion corresponding to the bending area BA of the display device 100.

[0092] The second portion 152 of the metal plate 150 may include a first sub-region 152a and a second sub-region 152b.

[0093] The first sub-region 152a of the second part 152 may be positioned to correspond to the first bending region BA1 of the bending region BA.

[0094] Furthermore, the second sub-region 152b of the second part 152 may be positioned to correspond to the second bending region BA2 of the bending region BA.

[0095] Therefore, the first sub-region 152a and the second sub-region 152b can be arranged alternately with respect to each other. For example, one second sub-region 152b can be placed between two first sub-regions 152a, and one first sub-region 152a can be placed between two second sub-regions 152b.

[0096] The second portion 152 of the metal plate 150 may extend from the first portion 151 and be integrated with the first portion 151.

[0097] Specifically, if the first portion 151 of the metal plate 150 is rectangular in shape on a plane, the first sub-region 152a of the second portion 152 of the metal plate 150 may extend from the four sides of the first portion 151 of the metal plate 150.

[0098] Furthermore, if the first portion 151 of the metal plate 150 is rectangular in shape on a plane, the second sub-region 152b of the second portion 152 of the metal plate 150 may extend from the corner of the first portion 151 of the metal plate 150.

[0099] The second portion 152 of the metal plate 150 may include a plurality of first openings 153, a plurality of second openings 154, a connecting portion 155, and a frame portion 158.

[0100] Specifically, the first sub-region 152a of the second portion 152 of the metal plate 150 may include a plurality of first openings 153, a plurality of second openings 154, a connecting portion 155, and a first frame portion 156.

[0101] The second sub-region 152b of the second portion 152 of the metal plate 150 may include a plurality of first openings 153, a plurality of second openings 154, a connecting portion 155, and a second frame portion 157.

[0102] Furthermore, the second portion 152 of the metal plate 150 may further include a plurality of additional openings 159 other than the plurality of first openings 153 and the plurality of second openings 154.

[0103] Multiple additional openings 159 may be located in the region where the connecting portion 155 and the first portion 151 are connected, and in the portion where the connecting portion 155 and the frame portion 158 are connected.

[0104] The multiple additional openings 159 may have different shapes from the multiple first openings 153 and the multiple second openings 154. For example, the multiple additional openings 159 may be in the form of a closed curve on a plane or a curve with a portion open.

[0105] In order for the first opening 153 and the second opening 154 of the second part 152 to be connected while maintaining their shape at the point where the first part 151 and the connecting part 155 of the metal plate 150 are connected, a margin may be necessary.

[0106] However, in a portion of the metal plate 150 where the first portion 151 and the connecting portion 155 are connected, there may be insufficient margin for the connecting portion 155 to be connected to the first portion 151 while maintaining the shapes of the first opening 153 and the second opening 154. In the portion where the margin is insufficient, a number of additional openings 159 may be provided.

[0107] Similarly, in a portion of the metal plate 150 where the frame portion 158 and the connecting portion 155 are connected, there may be insufficient margin for the connecting portion 155 to be connected to the frame portion 158 while maintaining the shape of the first opening 153 and the second opening 154. Multiple additional openings 159 may be provided in the portion where the margin is insufficient.

[0108] The plurality of first openings 153 and plurality of second openings 154 located in the first sub-region 152a and second sub-region 152b of the second portion 152 of the metal plate 150 may be alternately arranged in a first direction DR1 and a second direction DR2 intersecting the first direction DR1. For example, the first direction DR1 may be perpendicular to the second direction DR2, but the disclosure is not limited thereto.

[0109] The planar shape of each of the multiple first openings 153 may be an outer shape having two opposite sides that are convex in one direction and two opposite sides that are concave in the other direction intersecting that direction.

[0110] The planar shape of each of the multiple second openings 154 may be identical to the shape of the first opening 153 when rotated by 90°.

[0111] Specifically, the planar shape of each of the multiple second openings 154 may have an outer shape having two opposite sides that are concave in one direction and two opposite sides that are convex in another direction intersecting the aforementioned one direction.

[0112] For example, as shown in Figure 6, each of the multiple first openings 153 may have an outer shape that is convex on both sides in the second direction DR2 and concave on both sides in the first direction DR1. That is, the short axis of each of the multiple first openings 153 may correspond to the first direction DR1, and the long axis of each of the multiple first openings 153 may correspond to the second direction DR2.

[0113] Furthermore, referring to Figures 6 and 7, each of the multiple second openings 154 may have an outer shape that is convex on both sides in the first direction DR1 and concave on both sides in the second direction DR2. For example, the long axis of each of the multiple second openings 154 may correspond to the first direction DR1, and the short axis of each of the multiple second openings 154 may correspond to the second direction DR2.

[0114] Referring to Figures 6 and 7, the specific shapes of the first opening 153 and the second opening 154 have been described, but the shapes of the first opening 153 and the second opening 154 are not limited thereto. For example, in some embodiments, the first opening 153 and / or the second opening 154 may have a circular or elliptical shape. Also, for example, in some embodiments, the first opening 153 and the second opening 154 may have the same shape.

[0115] A connecting portion 155 may be placed between one of the multiple first openings 153 and multiple second openings 154, with respect to the other openings adjacent to that opening.

[0116] In other words, each of the multiple openings 153, 154 located in the second portion 152 of the metal plate 150 may be spaced apart from each other, and connecting portions 155 may be located between each of the multiple openings 153, 154.

[0117] The connecting portion 155 can serve to maintain the shape of the second portion 152 of the metal plate 150.

[0118] The connecting portion 155, which is positioned on the second portion 152 of the metal plate 150, can be made as a single unit.

[0119] One end of the connecting portion 155 can be connected to the first portion 151 of the metal plate 150. Thus, the first portion 151 and the second portion 152 of the metal plate 150 can be integrated into one unit.

[0120] The other end of the connecting portion 155 can be connected to the frame portion 158.

[0121] Specifically, in the first sub-region 152a of the second portion 152 of the metal plate 150, the other end of the connecting portion 155 can be connected to the first frame portion 156.

[0122] Furthermore, in the second sub-region 152b of the second portion 152 of the metal plate 150, the other end of the connecting portion 155 can be connected to the second frame portion 157.

[0123] The second portion 152 of the metal plate 150 may include a plurality of first frame portions 156.

[0124] Specifically, the second portion 152 of the metal plate 150 may include four first frame portions 156. Here, the four first frame portions 156 may be arranged one by one in the first sub-region 152a.

[0125] In other words, the metal plate 150 includes four first sub-regions 152a, and one first frame portion 156 may be arranged in each first sub-region 152a.

[0126] The second portion 152 of the metal plate 150 may include a plurality of second frame portions 157.

[0127] Specifically, the second portion 152 of the metal plate 150 may include a plurality of second sub-regions 152b. For example, the second portion 152 of the metal plate 150 may include four second sub-regions 152b.

[0128] Furthermore, each of the multiple second sub-regions 152b can include multiple second frame portions 157.

[0129] The number of multiple second frame portions 157 included in the metal plate 150 may be greater than the number of multiple first frame portions 156.

[0130] Furthermore, the length of each of the multiple first frame sections 156 may be longer than the length of the multiple second frame sections 157 (e.g., the first length L1). Here, the lengths of the multiple first frame sections 156 and the lengths of the multiple second frame sections 157 may represent the shortest straight-line length in the direction in which the major axis of each frame section 158 extends.

[0131] Multiple second frame portions 157 included in the second portion 152 of the metal plate 150 can be arranged spaced apart from each other. Therefore, it is possible to prevent the metal plate 150 from wrinkling or becoming crumpled due to the compressive stress applied to the metal plate 150 by the bending region BA.

[0132] For example, one of the multiple second frame portions 157, the second frame portion 157 positioned on one side of the first frame portion 156, can come into contact with the first frame portion 156.

[0133] Furthermore, among the multiple second frame portions 157, the second frame portion 157 located on one side of the first frame portion 156 may be arranged at a distance from the first frame portion 156.

[0134] Through this, it is possible to prevent wrinkles from forming in the metal plate 150 due to the compressive stress applied to the metal plate 150 by the bending region BA.

[0135] Specifically, when bending the metal plate 150, compressive stress is applied to the metal plate 150 due to the bending.

[0136] In particular, compressive stress can concentrate in the second sub-region 152b of the second part 152 of the metal plate 150 that corresponds to the corner, and the smaller the radius of curvature, the greater the compressive stress applied to the second sub-region 152b of the second part 152 of the metal plate 150.

[0137] Furthermore, the compressive stress applied to the second frame portion 157, which corresponds to the outermost edge of the second sub-region 152b of the second portion 152 of the metal plate 150, may increase.

[0138] In this case, defects such as wrinkles occur in the metal plate 150.

[0139] If wrinkles occur in the metal plate 150, there is a problem in that the wrinkles are visible, which leads to a decrease in the quality of the display device 100.

[0140] In one embodiment of this specification, the display device 100 is configured such that a plurality of second frame portions 157, located in the second sub-region 152b of the second portion 152 of the metal plate 150, are spaced apart from each other. This arrangement distributes compressive stress across the plurality of second frame portions 157, preventing wrinkles from forming in the metal plate 150.

[0141] Therefore, this has the effect of improving the visibility of the display device 100.

[0142] One side of each of the multiple first frame sections 156 and the multiple second frame sections 157 can be connected to a connecting section 155.

[0143] Specifically, the connecting portion 155 may include a plurality of first sub-connecting portions 155a and a plurality of second sub-connecting portions 155b.

[0144] Each of the multiple first subconnecting portions 155a is arranged spaced apart from one another, but may extend in the first direction DR1.

[0145] Each of the multiple second sub-connecting sections 155b is arranged at a distance from one another, but may extend in the second direction DR2.

[0146] Each of the multiple first sub-connecting portions 155a and the multiple second sub-connecting portions 155b may have a line shape in which concave and convex regions are arranged alternately.

[0147] For example, each of the multiple first sub-connecting portions 155a may have a line shape in which concave and convex regions are alternately arranged with respect to a straight line extending in the first direction DR1.

[0148] Furthermore, each of the multiple second sub-connecting portions 155b may have a line shape in which concave and convex regions are alternately arranged with respect to a straight line extending in the second direction DR2.

[0149] A first opening 153 or a second opening 154 may be provided at the point where the two first sub-connecting parts 155a and the two second sub-connecting parts 155b intersect.

[0150] For example, in a region where one first opening 153 is located, each of the two first sub-connecting portions 155a may include a concave region, and each of the two second sub-connecting portions 155b may include a convex region.

[0151] Furthermore, in the region where one second opening 154 is located, each of the two first sub-connecting portions 155a may include a convex region, and each of the two second sub-connecting portions 155b may include a concave region.

[0152] Multiple first frame sections 156 can be connected to multiple first sub-connecting sections 155a and multiple second sub-connecting sections 155b.

[0153] Specifically, multiple first sub-connecting parts 155a and multiple second sub-connecting parts 155b can be connected to the sides of multiple first frame parts 156 that face the first portion 151 of the metal plate 150.

[0154] Furthermore, each of the multiple second frame portions 157 may be connected to at least two of the multiple first sub-connecting portions 155a and multiple second sub-connecting portions 155b. However, this application is not limited thereto. For example, in some embodiments, each second frame portion 157 may be connected to a single sub-connecting portion.

[0155] Specifically, at least two of the multiple first sub-connecting parts 155a and multiple second sub-connecting parts 155b can be connected to the side surfaces of the multiple second frame parts 157 that face the first part 151 of the metal plate 150.

[0156] In this way, by connecting the multiple first frame sections 156 and the multiple second frame sections 157 to the sub-connecting sections 155a and 155b, the multiple first frame sections 156 and the multiple second frame sections 157 can be stably connected to the metal plate 150 without being separated.

[0157] In particular, each of the multiple second frame sections 157, which have a shorter length L than the first frame section 156, is connected to at least two sub-connecting sections 155a and 155b, thereby ensuring that the second frame sections 157 are stably connected to the metal plate 150 without being separated.

[0158] Furthermore, as shown in Figure 7, the width of the second frame section 157 (hereinafter referred to as the first width W1) may be wider than the second width of the connecting section 155 (hereinafter referred to as the second width W2).

[0159] Here, the first width W1 of the second frame portion 157 may represent the shortest straight length of the second frame portion 157 in the direction of its minor axis.

[0160] Furthermore, the second width W2 of the connecting portion 155 may represent the shortest straight length in a direction intersecting the direction in which the connecting portion 155 extends. For example, the second width W2 of the first sub-connecting portion 155a extending in the first direction DR1 may represent the shortest straight length in the second direction DR2. The second width W2 of the second sub-connecting portion 155b extending in the second direction DR2 may represent the shortest straight length in the first direction DR1.

[0161] As mentioned earlier, if the metal plate 150 includes a second portion 152 corresponding to the bending region BA, the compressive stress applied to the second frame portion 157, which corresponds to the outermost edge of the second sub-region 152b of the second portion 152 of the metal plate 150, may increase.

[0162] In this case, the compressive stress may cause defects in the metal plate 150.

[0163] When the first width W1 of the second frame portion 157 is made thinner to prevent defects such as wrinkles from occurring in the metal plate 150, the compressive stress applied to the second frame portion 157 may decrease, but there is a problem in that the second frame portion 157 may peel off and separate from the metal plate 150.

[0164] Specifically, before being applied to the display device 100, the metal plate 150 may exist with a first protective film attached to its upper surface through an adhesive layer, and a second protective film positioned on its back surface.

[0165] Such a metal plate 150 can be applied to the display device 100 after the first protective film attached to the top surface and the second protective film on the back surface have been removed.

[0166] If the first width W1 of the second frame portion 157 becomes thinner, the second frame portion 157 can be separated from the multiple connecting portions 155 during the process of removing the first protective film.

[0167] In this way, when the second frame portion 157 is separated from the multiple connecting portions 155, the metal plate 150 undergoes deformation, which causes the problem of moisture penetrating from the metal plate 150.

[0168] Therefore, rigidity must be ensured so that the second frame portion 157 does not peel off from the metal plate 150 during the step of removing the first protective film.

[0169] In one embodiment of the display device 100 according to this specification, the metal plate 150 of the second frame portion 157 is formed so that the first width W1 of the second frame portion 157 is wider than the second width W2 of the connecting portion 155, thereby ensuring the rigidity of the second frame portion 157.

[0170] Furthermore, as the first width W1 of the second frame portion 157 widens, the compressive stress applied to the second frame portion 157 increases when the metal plate 150 is bent, which may cause defects such as wrinkles to form in the metal plate 150.

[0171] In one embodiment of the display device 100 according to this specification, the metal plate 150 does not have a second frame portion 157 located in the second bending region BA2 as a single unit, but rather multiple second frame portions 157 are arranged spaced apart from each other, thereby dispersing the compressive stress concentrated in the second frame portion 157 of the metal plate 150.

[0172] Therefore, even if the first width W1 of the second frame portion 157 is formed wider than the second width W2 of the connecting portion 155, the structure is such that the second frame portion 157 is spaced apart from other adjacent second frame portions 157 in the second bending region BA2, thus preventing defects caused by compressive stress.

[0173] Furthermore, the second frame portion 157 may be made to a first length L1 that allows for easy bending of the metal plate 150 in the second sub-region 152b, while preventing separation from the metal plate 150 even when an external force is applied.

[0174] Here, the first length L1 may represent the shortest length of the second frame portion 157 in the longitudinal direction.

[0175] Specifically, referring to Figure 7, the first length L1 of the second frame portion 157 may be longer than the third length L3, which is the second length L2, which is the length of the minor axis of the first opening 153, plus the second width W2 of the two connecting portions 155.

[0176] Furthermore, the first length L1 of the second frame portion 157 may be shorter than twice the length of the third length L3.

[0177] If the first length L1 of the second frame portion 157 is less than the third length L3, a problem may arise in which the second frame portion 157 is peeled off during the process of removing the first protective film attached to the upper surface of the metal plate 150.

[0178] However, by making the first length L1 of the second frame portion 157 of the metal plate 150 included in the display device 100 according to one embodiment of this specification longer than the third length L3, it is possible to ensure sufficient mechanical rigidity so that the metal plate 150 does not separate from the connecting portion 155 during the process of removing the first protective film attached to the upper surface of the metal plate 150.

[0179] Furthermore, if the first length L1 of the second frame portion 157 exceeds twice the length of the third length L3, the compressive stress applied to the second frame portion 157 may increase.

[0180] Furthermore, the outermost edge of the second sub-region 152b of the metal plate 150, on which multiple second frame portions 157 are arranged, must be curved on a plane. However, as the first length L1 of the second frame portion 157 increases, the shape of the outermost edge of the second sub-region 152b may become closer to a straight line.

[0181] In other words, as the first length L1 of the second frame portion 157 increases, the curve continuity decreases, which can make it difficult to manufacture a metal plate 150 of the desired shape.

[0182] However, by making the first length L1 of the second frame portion 157 of the metal plate 150 included in one embodiment of this specification less than or equal to twice the third length L3, the compressive stress applied to the second frame portion 157 can be reduced, and at the same time, the manufacturing of the metal plate 150 in the desired shape can be made easier.

[0183] Figure 8 shows a portion of the upper surface of a connecting portion located in a second sub-region of a second part of a metal plate included in a display device according to one embodiment of this specification.

[0184] Figure 9 shows a portion of the back surface of a connecting portion located in a second sub-region of a second part of a metal plate included in a display device according to one embodiment of this specification.

[0185] Figure 10 is a cross-sectional view along EF in Figure 8.

[0186] Referring to Figures 8 to 10, the second sub-region 152b of the second portion 152 of the metal plate 150 may include a plurality of first openings 153, a plurality of second openings 154, and a connecting portion 155.

[0187] The connecting portion 155 located in the second sub-region 152b of the second portion 152 of the metal plate 150 may include a plurality of first sub-connecting portions 155a and a plurality of second sub-connecting portions 155b.

[0188] Each of the multiple first sub-connecting portions 155a and the multiple second sub-connecting portions 155b may include a first pattern portion 155c and a second pattern portion 155d extending from the back surface of the first pattern portion 155c in cross-section.

[0189] When viewing from above the area in the second sub-region 152b of the second portion 152 of the metal plate 150 where multiple first sub-connecting portions 155a and multiple second sub-connecting portions 155b are arranged, the upper surfaces of the first pattern portions 155c of each of the multiple first sub-connecting portions 155a and multiple second sub-connecting portions 155b can be seen, as shown in Figure 8.

[0190] When viewing from below the area in the second sub-region 152b of the second portion 152 of the metal plate 150 where the multiple first sub-connecting portions 155a and the multiple second sub-connecting portions 155b are arranged, as shown in Figure 9, a portion of the back surface of the first pattern portion 155c and the entire back surface of the second pattern portion 155d of each of the multiple first sub-connecting portions 155a and the multiple second sub-connecting portions 155b can be seen.

[0191] On the cross-section, the widths W2 and W3 of the first pattern section 155c may be larger than the widths W4 and W5 of the second pattern section 155d.

[0192] Specifically, the third width W3, which is the width of the top surface of the first pattern section 155c, and the second width W2, which is the width of the back surface, may be larger than the fourth width W4, which is the width of the top surface of the second pattern section 155d, and the fifth width W5, which is the width of the back surface.

[0193] Here, the second width W2, third width W3, fourth width W4, and fifth width W5 of the first sub-connecting portion 155a are the shortest distances in the direction intersecting the direction in which the first sub-connecting portion 155a extends, and the second width W2, third width W3, fourth width W4, and fifth width W5 of the second sub-connecting portion 155b are the shortest distances in the direction intersecting the direction in which the second sub-connecting portion 155b extends.

[0194] For reference, in the specific example shown in Figure 10, the rear width of the first pattern section 155c is the same as the width of the connecting section; therefore, in this specification, the term "second width" is used to refer to the rear width of the first pattern section 155c, and the corresponding reference numeral "W2" is used. However, in some other examples, for example, if the second width W2 is smaller than the third width W3, the rear width of the first pattern section 155c may differ from the width of the connecting section.

[0195] The cross-sectional shape of each of the multiple first sub-connecting parts 155a and multiple second sub-connecting parts 155b, which include the first pattern part 155c and the second pattern part 155d located in the second sub-region 152b, may be T-shaped.

[0196] On the other hand, a first protective film can be attached to the upper surface of the first pattern portion 155c through an adhesive layer.

[0197] By making the widths W2 and W3 of the first pattern portion 155c larger than the widths W4 and W5 of the second pattern portion 155d, the force that can withstand the external force applied when removing the first protective film can be increased. Thus, mechanical rigidity can be ensured so that the multiple first sub-connecting portions 155a and the multiple second sub-connecting portions 155b do not separate from the first portion 151 of the metal plate 150 during the step of removing the first protective film.

[0198] Furthermore, by making the widths W4 and W5 of the second pattern section 155d smaller than the widths W2 and W3 of the first pattern section 155c, the bending characteristics of the multiple first sub-connecting sections 155a and the multiple second sub-connecting sections 155b can be improved.

[0199] Since the multiple first sub-connectors 155a and multiple second sub-connectors 155b are positioned in the bending area BA of the display device 100, they must be bent without damage to the multiple first sub-connectors 155a and multiple second sub-connectors 155b. However, the bending characteristics deteriorate as the width of the multiple first sub-connectors 155a and multiple second sub-connectors 155b is increased.

[0200] If the width of the multiple first sub-connecting parts 155a and multiple second sub-connecting parts 155b is reduced in order to improve the bending characteristics of the multiple first sub-connecting parts 155a and multiple second sub-connecting parts 155b, then, as mentioned earlier, a defect will occur in which the multiple first sub-connecting parts 155a and multiple second sub-connecting parts 155b are peeled off during the process of removing the first protective film attached to the upper surface of the metal plate 150.

[0201] In the display device 100 according to one embodiment of this specification, the widths W2 and W3 of the first pattern portion 155c of the first sub-connecting portion 155a and the second sub-connecting portion 155b of the metal plate 150 are made larger than the widths W4 and W5 of the second pattern portion 155d. This allows the first sub-connecting portion 155a and the second sub-connecting portion 155b to have bending characteristics without being peeled off during the process of removing the first protective film attached to the upper surface of the metal plate 150.

[0202] Specifically, the first pattern section 155c has multiple first sub-connecting sections 155a and multiple second sub-connecting sections 155b that ensure mechanical rigidity, and the second pattern section 155d has multiple first sub-connecting sections 155a and multiple second sub-connecting sections 155b that ensure bending characteristics.

[0203] Furthermore, a backplate 140 and a display panel 110 may be placed on the upper surface of the first pattern section 155c.

[0204] As shown in Figures 8 to 10, by making the widths W2 and W3 of the first pattern section 155c larger than the widths W4 and W5 of the second pattern section 155d, the multiple first sub-connecting sections 155a and multiple second sub-connecting sections 155b can effectively support the backplate 140 and the display panel 110. Therefore, twisting of the display panel 110 does not occur, and the reliability of the display panel 110 can be improved.

[0205] In cross-section, the first pattern portion 155c may have a shape in which the width increases from the top surface to the back surface. Therefore, the second width W2 on the back surface of the first pattern portion 155c may be wider than the third width W3 on the top surface of the first pattern portion 155c.

[0206] However, the shape of the first pattern portion 155c is not limited thereto. For example, the second width W2 and the third width W3 of the first pattern portion 155c may be the same.

[0207] In cross-section, the second pattern portion 155d may have a shape in which its width narrows from the top surface to the back surface. Therefore, the fifth width W5 on the back surface of the second pattern portion 155d may be narrower than the fourth width W4 on the top surface of the second pattern portion 155d.

[0208] However, the shape of the second pattern section 155d is not limited thereto. For example, the fourth width W4 and the fifth width W5 of the second pattern section 155d may be the same.

[0209] It is sufficient if the widths W2 and W3 of the first pattern portion 155c of the first sub-connecting portion 155a and the second sub-connecting portion 155b included in the metal plate 150 of the display device 100 according to one embodiment of this specification are larger than the widths W4 and W5 of the second pattern portion 155d.

[0210] This has the effect of ensuring the mechanical rigidity of the first sub-connecting portion 155a and the second sub-connecting portion 155b while simultaneously ensuring bending characteristics.

[0211] Figure 11 is a cross-sectional view along GH in Figure 6.

[0212] Referring to Figure 11, the cross-sectional structure of the multiple connecting portions 155 located in the first sub-region 152a of the second portion 152 of the metal plate 150 may differ from the cross-sectional structure of the multiple connecting portions 155 located in the second sub-region 152b.

[0213] Specifically, the multiple connecting portions 155 arranged in the first sub-region 152a may include a third pattern portion 155e and a fourth pattern portion 155f extending from the back surface of the third pattern portion 155e in cross-section.

[0214] When viewing from above the area in the first sub-region 152a of the second portion 152 of the metal plate 150 where a plurality of first sub-connecting portions 155a and a plurality of second sub-connecting portions 155b are arranged, the upper surfaces of the third pattern portions 155e of each of the plurality of first sub-connecting portions 155a and a plurality of second sub-connecting portions 155b can be seen.

[0215] When viewing from below the area in the first sub-region 152a of the second portion 152 of the metal plate 150 where multiple first sub-connecting portions 155a and multiple second sub-connecting portions 155b are arranged, the entire back surface of the fourth pattern portion 155f of each of the multiple first sub-connecting portions 155a and multiple second sub-connecting portions 155b, and a portion of the back surface of the third pattern portion 155e that is not superimposed on the fourth pattern portion 155f, can be seen.

[0216] In cross-section, the shape of the third pattern section 155e and the shape of the fourth pattern section 155f may be the same. Therefore, the maximum width W6 of the third pattern section 155e may be the same as the maximum width W7 of the fourth pattern section 155f.

[0217] The cross-sectional shapes of each of the multiple first sub-connecting parts 155a and multiple second sub-connecting parts 155b, including the third pattern part 155e and the fourth pattern part 155f, which are arranged in the first sub-region 152a, may be hexagonal. However, they are not limited to this.

[0218] On the other hand, the third width W3, which is the minimum width of the first pattern section 155c (see Figure 10) located in the second sub-region 152b, may be wider than the sixth width W6 and seventh width W7 of the third pattern section 155e and fourth pattern section 155f located in the first sub-region 152a. For example, the third width W3 may be 1.8 times wider than the sixth width W6 and seventh width W7, but is not limited to this.

[0219] Furthermore, the sixth width W6 and seventh width W7 of the third pattern section 155e and the fourth pattern section 155f located in the first sub-region 152a may be wider than the fifth width W5, which is the minimum width of the second pattern section 155d (see Figure 10) located in the second sub-region 152b. For example, the fifth width W5 may be 0.75 times the length of the sixth width W6 and the seventh width W7, but is not limited to this.

[0220] Thus, the cross-sectional shapes of the plurality of first sub-connecting portions 155a and plurality of second sub-connecting portions 155b arranged in the first sub-region 152a of the metal plate of the display device according to one embodiment of this specification, and the cross-sectional shapes of the plurality of first sub-connecting portions 155a and plurality of second sub-connecting portions 155b arranged in the second sub-region 152b, may differ from each other.

[0221] Specifically, by making the third width W3 of the first pattern portion 155c (see Figure 10) of the multiple first sub-connecting portions 155a and multiple second sub-connecting portions 155b located in the second sub-region 152b of the metal plate 150 where compressive stress is concentrated larger than the fifth width W5 of the second pattern 155d (see Figure 10) and the sixth width W6 and seventh width W7 of the third pattern portion 155e and fourth pattern portion 155f located in the first sub-region 152a, it is possible to prevent defects from occurring in the second sub-region 152b of the metal plate 150 due to compressive stress and to improve mechanical rigidity.

[0222] Furthermore, by making the fifth width W5 of the second pattern 155d (see Figure 10) of the multiple first sub-connecting parts 155a and multiple second sub-connecting parts 155b located in the second sub-region 152b smaller than the third width W3 of the first pattern part 155c (see Figure 10) and the sixth width W6 and seventh width W7 of the third pattern part 155e and fourth pattern part 155f located in the first sub-region 152a, the phenomenon of the third width W3 of the first pattern part 155c (see Figure 10) becoming larger and the bending characteristics degrading is prevented, and the multiple first sub-connecting parts 155a and multiple second sub-connecting parts 155b can ensure bending characteristics even in the second sub-region 152b.

[0223] However, the structure of the metal plate 150 of the display device according to one embodiment of this specification is not limited thereto. For example, the multiple first subconnecting portions 155a and multiple second subconnecting portions 155b arranged in the first sub-region 151a may have the same cross-sectional shape as the multiple first subconnecting portions 155a and multiple second subconnecting portions 155b arranged in the second sub-region 151b.

[0224] A display device according to one embodiment of this specification includes a display panel including a non-bending area and a bending area, and a metal plate disposed below the display panel, wherein the bending area includes a first bending area corresponding to the side of the non-bending area and a second bending area corresponding to the corner of the non-bending area, and the metal plate includes a first portion disposed in the non-bending area and a second portion disposed in the bending area, wherein the second portion includes a plurality of first frame parts disposed in the first bending area and a plurality of second frame parts disposed in the second bending area, and the plurality of second frame parts are disposed apart from each other in at least one second bending area.

[0225] According to other features of this specification, the second part includes four first bending regions, and one first frame portion may be placed in each of the four first bending regions.

[0226] According to another feature of this specification, the first frame and the second frame are arranged spaced apart from each other, and the length of one first frame may be longer than the length of one second frame.

[0227] According to other features of this specification, the metal plate includes four second bending regions, and each of the four second bending regions may have a plurality of second frame portions.

[0228] According to other features of this specification, the structure may further include connecting parts connected to one side of each of the plurality of first frame parts and the plurality of second frame parts, the connecting parts may include a plurality of first subconnecting parts extending in a first direction and a plurality of second subconnecting parts extending in a second direction intersecting the first direction.

[0229] According to other features of this specification, at least two subconnectors from among the plurality of first subconnectors and the plurality of second subconnectors may be connected to one side of each of the plurality of second frame portions.

[0230] According to other features of this specification, each of the plurality of first subconnectors and the plurality of second subconnectors may have a line shape in which concave and convex regions are arranged alternately.

[0231] According to other features of this specification, the second part further includes a plurality of first openings and a plurality of second openings, wherein one first opening or one second opening may be located in the region where two first subconnectors and two second subconnectors intersect.

[0232] According to other features of this specification, in a region where one first opening is located, each of the two first subconnectors may include a concave region and each of the two second subconnectors may include a convex region, and in a region where one second opening is located, each of the two first subconnectors may include a convex region and each of the two second subconnectors may include a concave region.

[0233] According to other features of this specification, the longitudinal axis length of the second frame portion may be longer than the sum of the minor axis length of the first opening and the widths of the two second sub-connecting portions, and shorter than twice the sum of the minor axis length of the first opening and the widths of the two second sub-connecting portions.

[0234] According to other features of this specification, the plurality of first subconnectors and the plurality of second subconnectors are arranged in a second bending region, and in the second bending region, the cross-section of each of the plurality of first subconnectors and the plurality of second subconnectors includes a first pattern portion and a second pattern portion extending from the back of the first pattern portion, and the minimum width of the first pattern portion may be greater than the maximum width of the second pattern portion.

[0235] According to other features of this specification, a display panel may be placed on the first pattern section.

[0236] According to other features of this specification, a plurality of first subconnectors and a plurality of second subconnectors are further arranged in a first bending region, and the cross-sectional shape of each of the plurality of first subconnectors and a plurality of second subconnectors arranged in the first bending region may differ from the cross-sectional shape of each of the plurality of first subconnectors and a plurality of second subconnectors arranged in the second bending region.

[0237] According to other features of this specification, the cross-sections of each of the plurality of first subconnectors and plurality of second subconnectors arranged in the first bending region include a third pattern portion and a fourth pattern portion extending from the back of the third pattern portion, and the maximum width of the third pattern portion and the maximum width of the fourth pattern portion may be the same as each other.

[0238] According to other features of this specification, the minimum width of the first pattern section may be greater than the maximum width of the third pattern section and the maximum width of the fourth pattern section, and the minimum width of the second pattern section may be less than the maximum width of the third pattern section and the maximum width of the fourth pattern section.

[0239] According to other features of this specification, a plurality of first subconnectors and a plurality of second subconnectors are further arranged in a first bending region, and in the first bending region, the cross-section of each of the plurality of first subconnectors and the plurality of second subconnectors includes a fifth pattern portion and a sixth pattern portion extending from the back of the fifth pattern portion, the minimum width of the fifth pattern portion may be greater than the maximum width of the sixth pattern portion.

[0240] Other embodiments of this specification include a display panel including a non-bending region and a bending region, and a metal plate disposed below the display panel, wherein the bending region includes a first bending region corresponding to the side of the non-bending region and a second bending region corresponding to the corner of the non-bending region, the metal plate includes a first portion disposed in the non-bending region and a second portion disposed in the bending region, the second portion includes a plurality of first sub-regions disposed in the first bending region and a plurality of second sub-regions disposed in the second bending region, the second portion includes a plurality of first frame portions disposed in the plurality of first sub-regions and a plurality of second frame portions disposed in the plurality of second sub-regions, each of the plurality of first sub-regions has one first frame portion, and the number of plurality of second frame portions may be greater than the number of plurality of first frame portions.

[0241] According to other features of this specification, the invention further includes connecting parts connected to one side of each of the plurality of first frame parts and the plurality of second frame parts, wherein at least two subconnecting parts from the plurality of first subconnecting parts and the plurality of second subconnecting parts may be connected to one side of one second frame part.

[0242] According to other features of this specification, each of the plurality of first subconnectors and the plurality of second subconnectors is arranged in a first sub-region and a second sub-region, and the cross-sectional shapes of the plurality of first subconnectors and the plurality of second subconnectors arranged in the first sub-region and the cross-sectional shapes of the plurality of first subconnectors and the plurality of second subconnectors arranged in the second sub-region may differ from each other.

[0243] According to other features of this specification, the cross-sectional shape of each of the multiple first subconnectors and multiple second subconnectors located in the first sub-region may be hexagonal, and the cross-sectional shape of each of the multiple first subconnectors and multiple second subconnectors located in the second sub-region may be T-shaped.

[0244] Although embodiments of this specification have been described in more detail above with reference to the attached drawings, this specification is not necessarily limited to these embodiments and can be modified and implemented in various ways within the scope of the technical concept of this specification. Accordingly, the embodiments disclosed herein are for illustrative purposes only, not to limit the technical concept of this specification, and the scope of the technical concept of this specification is not limited by such embodiments. Therefore, the embodiments described above should be understood in all respects as illustrative and not restrictive.

Claims

1. A display panel including a non-bending area and a bending area, and A display device including a metal plate positioned at the bottom of the display panel, The bending region includes a first bending region corresponding to the side portion of the non-bending region and a second bending region corresponding to the corner portion of the non-bending region. The metal plate includes a first portion located in the non-bending region and a second portion located in the bending region. The second portion of the metal plate includes a first frame portion positioned in the first bending region and a second frame portion positioned in the second bending region. The second frame portion is a display device, which is arranged to be separated from each other in at least one of the second bending regions.

2. The display device according to claim 1, wherein the second portion of the metal plate includes four first bending regions, and one first frame portion is arranged in each of the four first bending regions.

3. The display device according to claim 2, wherein one of the first frame portions and one of the second frame portions are arranged spaced apart from each other, and the length of the first frame portion is longer than the length of the second frame portion.

4. The display device according to claim 1, wherein the metal plate includes four second bending regions, and the second frame is arranged in the four second bending regions.

5. The system further includes a connecting portion connected to one side of the first frame portion and one side of the second frame portion, The display device according to claim 1, wherein the connecting portion includes a plurality of first sub-connecting portions extending in a first direction and a plurality of second sub-connecting portions extending in a second direction intersecting the first direction.

6. The display device according to claim 5, wherein at least two of the plurality of first sub-connecting portions and the plurality of second sub-connecting portions are connected to one side of the second frame portion.

7. The display device according to claim 5, wherein each of the plurality of first sub-connecting portions and the plurality of second sub-connecting portions has a linear shape in which concave regions and convex regions are arranged alternately.

8. The display device according to claim 7, wherein the second portion of the metal plate further includes a plurality of first openings and a plurality of second openings, and one first opening or one second opening is disposed in the region where two of the plurality of first subconnecting portions and two of the plurality of second subconnecting portions intersect.

9. In the region where the one first opening is located, the two first sub-connecting portions each include a concave region, and the two second sub-connecting portions each include a convex region. The display device according to claim 8, wherein in the region where the one second opening is located, the two first sub-connecting portions each include a convex region, and the two second sub-connecting portions each include a concave region.

10. The display device according to claim 8, wherein the length in the long axis direction of one of the second frame portions is longer than the sum of the short axis length of the first opening and the widths of the two second sub-connecting portions, and is shorter than twice the sum of the lengths.

11. The plurality of first subconnecting parts and the plurality of second subconnecting parts are arranged in the second bending region. The cross-sections of the plurality of first subconnecting portions and the plurality of second subconnecting portions in the second bending region include a first pattern portion and a second pattern portion extending from the rear surface of the first pattern portion. The display device according to claim 5, wherein the minimum width of the first pattern portion is greater than the maximum width of the second pattern portion.

12. The display device according to claim 11, wherein the display panel is arranged on the first pattern section.

13. The plurality of first sub-connecting parts and the plurality of second sub-connecting parts are also arranged in the first bending region, The display device according to claim 11, wherein the cross-sectional shapes of the plurality of first sub-connecting portions and the plurality of second sub-connecting portions arranged in the first bending region are different from the cross-sectional shapes of the plurality of first sub-connecting portions and the plurality of second sub-connecting portions arranged in the second bending region.

14. The cross-sections of the plurality of first sub-connecting portions and the plurality of second sub-connecting portions arranged in the first bending region include a third pattern portion and a fourth pattern portion extending from the rear surface of the third pattern portion. The display device according to claim 13, wherein the maximum width of the third pattern portion and the maximum width of the fourth pattern portion are the same.

15. The display device according to claim 14, wherein the minimum width of the first pattern portion is greater than the maximum widths of the third and fourth pattern portions, and the minimum width of the second pattern portion is smaller than the maximum widths of the third and fourth pattern portions.

16. The plurality of first sub-connecting parts and the plurality of second sub-connecting parts are also arranged in the first bending region, The cross-sections of the plurality of first sub-connecting portions and the plurality of second sub-connecting portions in the first bending region include a fifth pattern portion and a sixth pattern portion extending from the rear surface of the fifth pattern portion. The display device according to claim 11, wherein the minimum width of the fifth pattern portion is greater than the maximum width of the sixth pattern portion.

17. A display panel including a non-bending area and a bending area, and A display device including a metal plate positioned at the bottom of the display panel, The bending region includes a first bending region corresponding to the side portion of the non-bending region and a second bending region corresponding to the corner portion of the non-bending region. The metal plate includes a first portion located in the non-bending region and a second portion located in the bending region. The second portion of the metal plate includes a plurality of first sub-regions arranged in the first bending region and a plurality of second sub-regions arranged in the second bending region, The second portion of the metal plate includes a plurality of first frame portions arranged in the plurality of first sub-regions and a plurality of second frame portions arranged in the plurality of second sub-regions, A display device in which one of the plurality of first sub-regions is arranged in each of the plurality of first frame sections, and the number of second frame sections is greater than the number of first frame sections.

18. It further includes connecting portions connected to one side of each of the plurality of first frame portions and one side of each of the plurality of second frame portions, The display device according to claim 17, wherein at least two sub-connecting parts from among the plurality of first sub-connecting parts and the plurality of second sub-connecting parts included in the connecting part are connected to one side of one of the plurality of second frame parts.

19. The plurality of first subconnecting parts and the plurality of second subconnecting parts are arranged in the first subregion and the second subregion, The display device according to claim 18, wherein the cross-sectional shape of each of the plurality of first sub-connecting portions and the plurality of second sub-connecting portions arranged in the first sub-region is different from the cross-sectional shape of the plurality of first sub-connecting portions and the plurality of second sub-connecting portions arranged in the second sub-region.

20. The cross-sections of the plurality of first sub-connecting parts and the plurality of second sub-connecting parts arranged in the first sub-region are hexagonal, The display device according to claim 19, wherein the cross-sections of the plurality of first sub-connecting portions and the plurality of second sub-connecting portions arranged in the second sub-region are "T" shaped.

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