KR102576516B1 - Display device - Google Patents

Abstract

A display device according to an embodiment of the present invention includes a display panel, a first support portion supporting the back of the display panel, and a second support portion that extends and bends in the vertical direction from an end of the first support portion and is spaced apart from the end of the display panel. It includes a back cover and a plate joined to the first support between the front surface of the first support and the display panel at a position spaced apart from the second support. As such, the display device according to an embodiment of the present invention includes a plate including a core layer and a metal layer between the display panel and the back cover, so that the rigidity of the display device can be strengthened even if the middle cabinet and the reinforcing member are eliminated.

Description

Display device {DISPLAY DEVICE}

Embodiments of the present invention relate to a display device, and more specifically, to a display device including a back cover with enhanced rigidity.

Recently, as we entered the information age, the field of displays that visually display electrical information signals has developed rapidly, and in response to this, various display devices with excellent performance in thinner, lighter, and lower power consumption have been developed. It is becoming. Examples of such display devices include Liquid Crystal Display device (LCD), Field Emission Display device (FED), Electro-Wetting Display device (EWD), and organic light emitting display device. (Organic Light Emitting Display Device; OLED), etc.

Such display devices include a display panel that displays images, a back cover that houses the display panel and forms the exterior of the display device, and a printed circuit board that transmits data signals and driving control signals input from the outside to the display panel. and a flexible printed circuit (FPC) disposed between the display panel and the printed circuit board to electrically connect the display panel and the printed circuit board.

Meanwhile, general display devices further include a separate reinforcing member and a middle cabinet to support the display panel and strengthen the rigidity of the display device.

However, there are problems in that the number of parts constituting the display device increases due to separate reinforcing members and middle cabinets, costs and manufacturing processes increase, and assembly becomes complicated.

The problem to be solved by the present invention is to provide a display device that can reduce the total number of parts of the display device by eliminating the reinforcing member and the middle cabinet and simplify the cost, manufacturing process, and assembly.

Another problem to be solved by the present invention is to provide a display device that can improve the heat dissipation performance of the display panel while increasing the rigidity of the display device even if the reinforcing member and the middle cabinet are removed.

Another problem to be solved by the present invention is to provide a display device that can improve the exterior design of the display device by flattening the exterior of the back cover.

The problem to be solved by the present invention is to provide a display device that can avoid interference from circuit components placed on the display panel by improving the design of the back cover.

The problems of the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the description below.

In order to solve the above-described problem, a display device according to an embodiment of the present invention includes a display panel, a first support portion on which the back of the display panel is supported, and an end of the first support portion that extends and bends in a vertical direction. It includes a back cover having a second support portion spaced apart from an end, and a plate bonded to the first support portion between the front surface of the first support portion and the display panel at a position spaced apart from the second support portion. Accordingly, the display device according to an embodiment of the present invention includes a plate including a core layer and a metal layer between the display panel and the back cover, so that the rigidity of the display device can be strengthened even if the middle cabinet and the reinforcing member are eliminated.

A display device according to another embodiment of the present invention includes a display panel on which a plurality of pixels are arranged, a printed circuit board attached to the back of the display panel, a first support part on which the back of the display panel is supported, and a vertical direction at the end of the first support part. It includes a back cover extending and bending and having a second support portion spaced apart from the end of the display panel, and a plate disposed between the display panel and the back cover, wherein the plate is located at a position corresponding to the area where the printed circuit board is disposed. It may include formed grooves. Accordingly, the display device according to another embodiment of the present invention forms a groove by removing a portion of the plate corresponding to the printed circuit board and arranges the printed circuit board in the groove, thereby strengthening the rigidity of the display device and maintaining the printed circuit board. There is no need to change the shape of the back cover to place the substrate, preventing deterioration in the design quality of the display device.

In the present invention, by disposing a plate formed of a core layer made of plastic resin and a metal layer made of the same material as the back cover between the display panel and the back cover, the total number of parts of the display device can be reduced by eliminating the reinforcing member and the middle cabinet, Costs, manufacturing processes, and assembly can be simplified.

The present invention removes part of the plate in the area corresponding to the area where the printed circuit board is placed to form a groove that is a circuit avoidance area, thereby eliminating the need to change the appearance of the back cover, thereby preventing deterioration in the appearance design of the display device.

The effects according to the present invention are not limited to the details exemplified above, and further various effects are included within the present invention.

1 is a perspective view schematically showing a display device according to an embodiment of the present invention.
Figures 2A to 2F are cross-sectional views schematically showing various examples of display devices taken along line II-II' of Figure 1.
FIG. 3 is a cross-sectional view schematically showing the display device taken along line III-III' of FIG. 1.
FIG. 4 is a cross-sectional view schematically showing a comparative example of a display device taken along line III-III' in FIG. 1.

The advantages and features of the present invention and methods for achieving them will become clear by referring to the embodiments described in detail below along with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below and will be implemented in various different forms. The present embodiments only serve to ensure that the disclosure of the present invention is complete and that common knowledge in the technical field to which the present invention pertains is not limited. It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims.

The shapes, sizes, proportions, angles, numbers, etc. disclosed in the drawings for explaining embodiments of the present invention are illustrative, and the present invention is not limited to the matters shown. Like reference numerals refer to like elements throughout the specification. Additionally, in describing the present invention, if it is determined that a detailed description of related known technologies may unnecessarily obscure the gist of the present invention, the detailed description will be omitted. When 'includes', 'has', 'consists of', etc. mentioned in this specification are used, other parts may be added unless 'only' is used. When a component is expressed in the singular, the plural is included unless specifically stated otherwise.

When interpreting a component, it is interpreted to include the margin of error even if there is no separate explicit description.

In the case of a description of a positional relationship, for example, if the positional relationship of two parts is described as 'on top', 'on the top', 'on the bottom', 'next to', etc., 'immediately' Alternatively, there may be one or more other parts placed between the two parts, unless 'directly' is used.

When an element or layer is referred to as “on” another element or layer, it includes instances where the other layer or other element is directly on top of or interposed between the other elements.

Although first, second, etc. are used to describe various elements, these elements are not limited by these terms. These terms are merely used to distinguish one component from another. Accordingly, the first component mentioned below may also be the second component within the technical spirit of the present invention.

Like reference numerals refer to like elements throughout the specification.

The size and thickness of each component shown in the drawings are shown for convenience of explanation, and the present invention is not necessarily limited to the size and thickness of the components shown.

Each feature of the various embodiments of the present invention can be partially or fully combined or combined with each other, and as can be fully understood by those skilled in the art, various technical interconnections and operations are possible, and each embodiment may be implemented independently of each other. It may be possible to conduct them together due to a related relationship.

Hereinafter, various embodiments of the present invention will be described in detail with reference to the attached drawings.

1 is a perspective view schematically showing a display device according to an embodiment of the present invention.

Referring to FIG. 1, the display device 100 according to an embodiment of the present invention includes a display panel 110 and a back cover 120 that supports the rear surface of the display panel 110 and forms the exterior of the display device 100. ) includes.

The display panel 110 includes a display area (A/A) where an image is displayed and a non-display area (N/A) arranged to surround the display area (A/A).

A plurality of gate wires (not shown) and a plurality of data wires (not shown) are disposed in the display area (A/A) of the display panel 110, and the gate signal is transmitted through the plurality of gate wires and the plurality of data wires. and a plurality of pixels (P) that display an image by a data signal.

In the non-display area (N/A) of the display panel 110, a gate driving circuit (not shown) that applies a gate signal to the gate wire placed in the display area (A/A) is placed in the display area (A/A). A data driving circuit (not shown) that applies a data signal to the data wire is disposed.

The gate driving circuit is disposed in the non-display area (N/A) located on both sides of the display area (A/A) in the first direction (X), and uses a tape automated bonding (TAB) method, chip on It can be connected to the bonding pad of the display panel 110 using a glass (COG) or chip-on-film (COF) method, or can be implemented using a GIP (Gate In Panel) method formed directly on the display panel 110. .

The data driving circuit is disposed on one side of the display area (A/A) in the second direction (Y), which is a direction different from the first direction (X), and is disposed as a driving circuit chip on the base film of the flexible printed circuit board. It can be. That is, the data driving circuit can be arranged in a chip-on-film (COF) method. However, in one embodiment of the present invention, the data driving circuit has been described as being arranged in a chip-on-film method, but it is not limited thereto, and can be arranged in a tape automated bonding (TAB) method or a chip-on-glass (COG) method. It may be deployed.

The back cover 120 accommodates the display panel 110 and supports the rear surface of the display panel 110. At this time, the height of the side support portion forming the side of the back cover 120 may be higher than the side height of the display panel 110. In addition, in order to protect the display panel 110 and strengthen the rigidity of the display device 100, the back cover 120 according to an embodiment of the present invention has a side end oriented inward, which is the direction in which the display panel 110 is disposed. Alternatively, it may have a hemming structure having a shape bent in an outward direction. The detailed structure of the back cover 120 will be examined in more detail with reference to FIGS. 2A to 2F below.

Meanwhile, the display panel 110 according to an embodiment of the present invention is an organic light emitting display panel, a liquid crystal display panel, a field emission display panel, and an electric display panel. It may be any one of various display panels such as an electro-wetting display panel. Hereinafter, the display panel 110 according to an embodiment of the present invention will be described taking as an example an organic light emitting display panel.

A typical display device is provided with a reinforcing member between the display panel and the back cover to strengthen the rigidity of the display device, and a middle cabinet having a rectangular frame shape to surround the side edge of the display panel. However, in the case of a reinforcing member, the shape of the back cover has no choice but to be changed to avoid the printed circuit board when the printed circuit board is tilted and disposed on the back of the display panel. In this case, the appearance characteristics of the display device may deteriorate and cause discomfort to the user. In addition, in the case of the middle cabinet, it is arranged to surround the display panel, which has the advantage of preventing damage to the display panel due to external impact, but has the disadvantage of increasing the number of parts constituting the display device. Accordingly, an object of the present invention is to provide a display device in which the rigidity of the display device can be strengthened and the exterior design characteristics of the display device can also be improved even if the middle cabinet and the reinforcing member are deleted. To this end, the display device 100 according to an embodiment of the present invention improves the shape of the back cover 120 and further includes a plate 130 disposed between the display panel 110 and the back cover 120. You can. A description of the shape and plate of the back cover will be discussed in more detail with reference to FIGS. 2A to 2F below.

FIGS. 2A to 2F are cross-sectional views schematically showing various examples of display devices taken along line II-II' of FIG. 1. More specifically, FIGS. 2A to 2F are cross-sectional views showing the structure of the non-display area of the display device taken along line II-II' of FIG. 1.

2A to 2F, the display device 100 according to an embodiment of the present invention includes a display panel 110, a back cover 120, and a plate 130.

The display panel 110 is a display area (A/A) in which a plurality of pixels are arranged to display an image, and a non-display area in which a driving element for driving the plurality of pixels is arranged outside the display area (A/A). Includes area (N/A).

A plurality of pixels are arranged in the display area A/A of the display panel 110, and each pixel may be an organic light emitting device. Although not shown, each pixel may further include a switch transistor, a driving transistor, and at least one capacitor for driving the organic light emitting device. The organic light emitting device includes a first electrode that receives current from a driving transistor (not shown) arranged for each unit pixel, a second electrode corresponding to the first electrode, and a light emitting layer disposed between the first electrode and the second electrode. In an organic light-emitting device, holes are injected from the first electrode into the light-emitting layer, and electrons are injected from the second electrode into the light-emitting layer. The holes and electrons combine in the light-emitting layer, and excitons are formed through this combination. It glows as it glows.

A polarizing film 111 is disposed on the front of the display panel 110.

A seal member 112 is disposed on the side of the display panel 110, and the seal member 112 is used to prevent the light leakage phenomenon in which light emitted from each pixel is emitted through the side of the display panel. It is placed on the side of 110. At this time, the seal member 112 may be made of a polymer material to which black pigment is added, and thus, the light emitted through the side of the display panel 110 may be invisible by absorbing the light emitted from the pixel array. .

An encapsulation member 113 may be disposed on the back of the display panel 110. The encapsulation member 113 is disposed to prevent the problem of deterioration of the pixel since the organic light emitting device may deteriorate when exposed to moisture or oxygen.

As shown in FIG. 2A, the back cover 120 is bent in the vertical direction and extends from the first support part 121 supporting the rear surface of the display panel 110 and the first support part 121, and extends from the first support part 121 to support the display panel 110. ) includes a second support portion 122 spaced apart from the end of the. The back cover 120 may be made of a metal material such as aluminum, aluminum alloy, stainless steel, or electrogalvanized steel sheet. In one embodiment of the present invention, the back cover 120 is described as being made of a metal material such as aluminum, aluminum alloy, stainless steel, electro-galvanized steel, etc., but it is not limited to this, and the second support portion of the back cover 120 ( 122) can be made of materials other than those described above, as long as it can be bent to a predetermined curvature.

The plate 130 is disposed between the back of the display panel 110 and the front of the first support portion 121 of the back cover 120. The plate 130 may include a core layer 131 disposed on the front surface of the first support portion 121 and a metal layer 132 disposed on the core layer 131 and the display panel 110. Accordingly, the display device 100 according to an embodiment of the present invention includes a plate 130 formed by stacking a core layer 131 and a metal layer 132 between the display panel 110 and the back cover 120. By doing so, the overall rigidity of the back cover 120 is improved and the second support portion 122 of the back cover 120 can be freely bent, thereby improving the appearance of the edge of the display device 100 and absorbing physical shock from the outside. You can.

The core layer 131 may include a plastic resin, and the plastic resin may be, for example, an engineering plastic resin such as polyester resin, polyimide resin, or epoxy resin. Additionally, the core layer 131 may include one or more of carbon fiber, silicon carbide fiber, aramid fiber, and boron fiber. The core layer 131 is made by combining one or more of carbon fiber, silicon carbide fiber, aramid fiber, and boron fiber with a plastic resin. As it hardens, the metal layer 132 and the first support portion 121 are combined. That is, the core layer 131 may have adhesive properties. In addition, the core layer 131 is formed by combining one or more of carbon fiber, silicon carbide fiber, aramid fiber, and boron fiber with a plastic resin, thereby improving elasticity. This improves and the strength increases due to the fibers combined with the plastic resin.

The thickness of the core layer 131 may be thicker than the thickness of the first support portion 121 and the metal layer 132 of the back cover 120. In general, the plastic resin forming the core layer 131 is cheaper than the metal material forming the first support part 121 and the metal layer 132. Accordingly, the rigidity of the display device 100 can be strengthened at a lower price by forming the core layer 131 to be thicker than the thickness of the first support portion 121 and the metal layer 132 of the back cover 120. there is.

The metal layer 132 may be formed of the same metal material as the back cover 120, such as aluminum, aluminum alloy, stainless steel, or electrogalvanized steel sheet. In this way, by disposing the metal layer 132 adjacent to the display panel 110 among the components forming the plate 130, high-temperature heat generated in the display panel 110 can be dissipated. Additionally, by forming the back cover 120 and the metal layer 132 from the same metal material, heat generated in the display panel 110 can be quickly and efficiently dissipated.

Such a plate 130 may be formed on the first support portion 121 of the back cover 120 in various ways.

For example, the core layer 131 is applied only to the first support part 121 except for the second support part 122 area on the front of the flat back cover 120, and the metal layer 132 is applied on the core layer 131. It can be formed by bonding the back cover 120 and the plate 130. In this case, a space-occupying jig is installed in advance to prevent the core layer 121 from being applied to the second support 122 area of the back cover 120, and the core layer 131 is applied only to the remaining area, the first support 121. The plate 130 can be bonded to the back cover 120 by applying and forming the metal layer 132 on the core layer 131.

In addition, as another example, after applying the core layer 131 to the entire area of the back cover 120 and bonding the metal layer 132, only the area of the second support portion 122 is combined with the core layer 131 of the plate 130. The metal layer 132 may be cut to provide the plate 130 only in the first support portion 121 area.

In addition to the above-mentioned method, various methods may be used to form the plate 130 including the core layer 131 and the metal layer 132 on the back cover 120, and the formation of the plate 130 is completed. Once this is done, manufacturing of the display device 100 according to an embodiment of the present invention can be completed by bending the second support portion 122 of the back cover 120 and seating the display panel 110.

In addition, an adhesive member 135 is provided between the back of the display panel 110 and the plate 130 to firmly couple the display panel 110 and the plate 130 to prevent the display panel 110 from being pushed. You can.

As shown in FIG. 2B, the back cover 120 of the display device 100 according to an embodiment of the present invention has a bent end bent from the end of the second support portion 122 toward the end of the display panel 110. (123) may be further provided. That is, the back cover 120 may have a type of hemming structure in which the end of the second support portion 122 is bent in the inner direction where the display panel 110 is disposed. As such, the back cover 120 of the display device 100 according to an embodiment of the present invention is further provided with a bent end portion 123 extending from the end of the second support portion 122, thereby forming a side surface of the display device 100. This double-laminated structure allows for higher rigidity. Accordingly, the display device 100 according to an embodiment of the present invention can alleviate physical shock even if it is applied from the side.

Meanwhile, as shown in FIG. 2B, a space 124 may be provided between the second support portion 122 and the bent end portion 123. Since the space 124 is provided in this way, when a physical shock is applied to the second support part 122, the second support part 122 can be deformed between the spaces 124, and this deformation causes the bent end 123 to form the display panel. It is possible to prevent collision with the end of (110).

In addition, even when the display device 100 bumps into another object while moving, the shock and vibration applied to the display device 100 are alleviated by the space 124 between the second support portion 122 and the bent end 123. can do.

Meanwhile, the display device 100 according to an embodiment of the present invention may further include a moisture absorption member 140, as shown in FIG. 2C. The moisture absorption member 140 may be disposed to contact the first support part 121 of the back cover 120 and the rear surface of the display panel 110, respectively, at a position between the plate 130 and the second support part 122. As such, the display device 100 according to an embodiment of the present invention further includes a moisture absorption member 140 to prevent moisture from flowing between the end and the bent end 123 of the display panel 110 due to a cleaner or spray. In this case, the moisture absorption member 140 absorbs moisture first, thereby preventing damage to various circuit components disposed on the back of the display panel 110.

In addition, as shown in FIG. 2D, the plate 130 of the display device 100 according to an embodiment of the present invention has both ends of the metal layer 132 bent vertically to surround the side of the core layer 131. A support end portion 132a supported on the front surface of the first support portion 121 may be provided. That is, compared to FIGS. 2B and 2C, if the core layer 131 and the metal layer 132 are arranged to have the same width, in FIG. 2D, the width of the metal layer 132 is arranged wider than that of the core layer 131, so that the metal layer (132) may have a shape surrounding the side of the core layer 131.

Due to this support end 132a, the display device 100 according to an embodiment of the present invention has an increased support force in the vertical direction in which the display panel 110 and the back cover 120 are stacked, so that the back cover ( Even if a physical impact is applied to the back of the back cover 120, deformation of the back cover 120 is reduced and deformation or damage of the display panel 110 is also reduced.

In addition, as shown in FIGS. 2E and 2F, the bent end 123 of the display device 100 according to an embodiment of the present invention has the display panel 110 disposed at the end of the second support portion 122. It may also be provided bent in the opposite direction. That is, as shown in FIGS. 2E and 2F , the bent end portion 123 may be bent from the end of the second support portion 122 toward the outside of the display panel 110 .

That is, compared to FIGS. 2B to 2D, the bending direction of the bent end portion 123 according to the embodiment shown in FIGS. 2E and 2F is reversed, so that when an impact load from the side is applied to the display device 100, the display device 100 is bent. The end portion 123 is deformed first and can absorb shock. That is, in the case of FIGS. 2B to 2D, since the second support part 122 is located outside the bent end 123, scratches due to physical impact may occur on the second support part 122, deteriorating the quality of the appearance. However, in the case of the embodiment shown in FIGS. 2E and 2F, the bent end 123 is provided at a position protruding outward of the second support portion 122, so that when it collides with an external object, the bent end 123 is struck first and the bending end 123 is deformed, thereby reducing the frequency of scratches.

In addition, as shown in FIGS. 2E and 2F, even when the bent end 123 is bent opposite to the end of the display panel 110, a space 124 is formed between the second support part 122 and the bent end 123. ) may be provided. In this way, even when the bent end 123 is bent opposite to the end of the display panel 110, the space 124 is provided at the bent end 123 of the back cover 120 to prevent physical shock to the bent end 123. When this is applied, the bent end 123 is deformed between the spaces 124 and the impact can be alleviated.

In addition, as shown in FIG. 2F, even when the bent end 123 is bent opposite to the end of the display panel 110, the space between the plate 130 and the second support part 122 in the first support part 121 It may further include a moisture absorption member 140 that is adhered to the back of the display panel 110 and the first support part 121. In this way, by further including the moisture absorption member 140, moisture flowing in between the end of the display panel 110 and the second support portion 122 is absorbed to prevent damage to various circuit components disposed on the back of the display panel 110. can do.

As described above, the display device 100 according to an embodiment of the present invention has a core layer containing a plastic resin on the first support layer 121 of the back cover 120 that supports the display panel 110 ( 131) and the plate 130 made of the metal layer 132 are bonded, so that even if the middle cabinet and the reinforcing member are deleted, the overall rigidity of the back cover 120 can be maintained, and the second part of the plate 130 and the back cover 120 can be maintained. Since the support portions 122 are arranged to be spaced apart from each other by a certain distance, they also have the ability to dissipate heat generated from the display panel 110 in the space.

In addition, the display device 100 according to an embodiment of the present invention allows the end area of the back cover 120, excluding the central area where the display panel 110 is supported, to be freely bent, thereby forming an edge area of the display device 100. The appearance can be improved, and deformation or damage can be prevented by providing a structure that absorbs physical shock from the outside.

Meanwhile, the display device 100 according to an embodiment of the present invention includes a plate disposed in the non-display area (N/A) disposed on one side of the display area (A/A) in the second direction (Y). The structure of 130 may have a structure that avoids interference with the printed circuit board disposed on the back of the display panel 110. Looking at the structure of this plate 130 in more detail, it is shown in FIG. 3 below.

FIG. 3 is a cross-sectional view schematically showing the display device taken along line III-III' of FIG. 1. FIGS. 4A and 4B are cross-sectional views schematically showing comparative examples of display devices taken along line III-III' of FIG. 1.

First, referring to FIG. 3, the display device 100 according to an embodiment of the present invention is tilted to the back of the display panel 110 in the non-display area (N/A) at one edge of the display panel 110. A printed circuit board 310 is placed in close contact. This printed circuit board 310 may be electrically connected to the display panel 110 through a flexible circuit board 320 .

The printed circuit board 310 is provided with driving elements 311 that can apply a driving control signal to the display panel 110 . The printed circuit board 310 is attached to the back of the display panel 110 through an adhesive member 340. The adhesive member 340 is a double-sided adhesive tape or a rubber magnet if the display panel 110 is made of metal foil. It can be used. At this time, the printed circuit board 310 and the rubber magnet are adhered to each other using a double-sided adhesive tape. When the printed circuit board 310 is attached to the back of the display panel 110 using a rubber magnet, the printed circuit board 310 is attached to the back of the display panel 110. When a defect in the substrate 310 occurs or the attachment of the printed circuit board 310 is misaligned, the printed circuit board 310 can be easily detached from the back of the display panel 110 and reattached. There is.

The flexible circuit board 320 electrically connects the display panel 110 and the printed circuit board 310. The flexible circuit board 320 may include a base film 321 and a driving circuit chip 322. The base film 321 may be formed of polyimide resin, epoxy resin, or other known materials, and may have flexibility. The driving circuit chip 322 outputs a control signal that can control the driving of the gate wire or data wire arranged on the display panel 110.

The flexible circuit board 320 transmits data signals or control signals input from the printed circuit board 310 to the display panel 110 . That is, the flexible printed circuit board 320 is disposed between the display panel 110 and the printed circuit board 310 and electrically connects the display panel 110 and the printed circuit board 310. More specifically, the flexible circuit board 320 is formed by, for example, attaching an anisotropic conductive film, which is a thermosetting resin film containing small conductive particles, to one edge of the display panel 110 and the printed circuit board 310 and then heat-pressing it. So they can be electrically connected.

The plate 330 is bent in the direction toward the back of the core layer 331 in contact with the back cover 120, the metal layer 332 on the core layer 331, and the printed circuit board 310 in close contact with the display panel 110. It may include a correspondingly formed groove 333. Here, since the core layer 331 and the metal layer 332 have been previously described with reference to FIGS. 2A to 2F, detailed description of the core layer 331 and the metal layer 332 will be omitted.

The groove 333 may be formed by removing a portion of the plate 330 corresponding to the area where the printed circuit board 310 and the driving element 311 disposed on the back of the display panel 110 are disposed. Additionally, the width W1 of the groove 333 may be formed based on the width W2 of the printed circuit board 310. More specifically, the width W1 of the groove 333 may be formed to be wider than the width W2 of the printed circuit board 310. Accordingly, the printed circuit board 310 and the driving elements 311 disposed on the printed circuit board 310 can be more stably disposed in the groove 333.

The groove 333 may be formed by removing a portion of the core layer 331 and the metal layer 332 of the plate 330 in response to the position of the printed circuit board 310 disposed on the back of the display panel 110. . Meanwhile, in FIG. 3, the groove 333 is shown as being formed by removing a portion of the core layer 331 and the metal layer 332, but it is not limited to this and the metal layer 332 corresponding to the position where the printed circuit board 310 is disposed ) can also be formed by removing only the Accordingly, the printed circuit board 310 faces the core layer 331, and electrical interference between the driving elements 311 on the printed circuit board 310 can be prevented.

Meanwhile, referring to FIG. 3, the display device 100 in which the groove 333 through which the printed circuit board 310 can be avoided has a plate end area (PEA), a circuit avoidance area (CEA), and a plate partition area (PWA). ) may include.

As shown in FIGS. 4A and 4B , the plate end area (PEA) may be an end area where the plate 330 is disposed when the circuit avoidance area (CEA) is not formed. That is, when the circuit avoidance area (CEA) and the plate partition area (PWA) are not formed, the plate 330 can be disposed only up to the plate end area (PEA). However, the display device 100 according to an embodiment of the present invention may not be formed only to the plate end area PEA, but may be arranged to extend from the plate end area PEA to the plate partition area PWA.

The circuit avoidance area (CEA) is an area that may correspond to the area where the groove 333 is placed on the plate 330. If the circuit avoidance area (CEA) is not formed, as shown in FIG. 4A, the plate must be formed and placed only up to the plate end area (PEA), or a reinforcing member must be placed to strengthen the rigidity of the display device. 4B, the shape of the back cover 120 can be modified to form a circuit avoidance area (CEA) where a reinforcing member can be placed. However, when the circuit avoidance area (CEA) is formed as shown in FIG. 4B, the design quality of the display device may deteriorate because the back cover 120 does not have a flat exterior shape. Additionally, if there is no reinforcing member as shown in FIG. 4A, the display panel or printed circuit board may be damaged due to external impact. However, in the display device 100 according to an embodiment of the present invention, the circuit avoidance area (CEA) is disposed by forming a groove 333 in the plate 330, thereby eliminating the need to modify the appearance of the back cover 120. It is possible to prevent the exterior design quality of the device 100 from deteriorating.

The plate partition area (PWA) is an area extended from the plate end area (PEA), and the plate partition area (PWA) is arranged further compared to FIGS. 4A and 4B, thereby providing a display device according to an embodiment of the present invention ( 100) can be further strengthened.

A display device according to various embodiments of the present invention can be described as follows.

A display device according to an embodiment of the present invention includes a display panel, a first support portion supporting the back of the display panel, and a second support portion that extends and bends in the vertical direction from an end of the first support portion and is spaced apart from the end of the display panel. It may include a back cover and a plate bonded to the first support between the front surface of the first support and the display panel at a position spaced apart from the second support.

According to another feature of the present invention, the plate may include a core layer disposed on the front surface of the first support portion and containing a plastic resin, and a metal layer disposed between the core layer and the display panel and made of the same material as the material of the back cover. You can.

According to another feature of the present invention, the core layer includes at least one of carbon fiber, silicon carbide fiber, aramid fiber, and boron fiber with the plastic resin. Can be combined.

According to another feature of the present invention, the display device may further include an adhesive member between the back of the display panel and the plate.

According to another feature of the present invention, the second support portion may be provided with a bent end bent from an end of the second support portion toward an end of the display panel.

According to another feature of the present invention, a space may be provided between the second support portion and the bent end portion.

According to another feature of the present invention, the first support part may further be provided with a moisture absorption member adhered to the back of the display panel at a position between the plate and the bent end.

According to another feature of the present invention, the plate may include a support end portion where both ends of the metal layer are vertically bent to surround the side of the core layer and supported on the front surface of the first support portion.

According to another feature of the present invention, the second support portion may be provided with a bent end bent at an end of the second support portion opposite to the end of the display panel.

A display device according to another embodiment of the present invention includes a display panel on which a plurality of pixels are arranged, a printed circuit board attached to the back of the display panel, a first support part on which the back of the display panel is supported, and a vertical direction at the end of the first support part. It includes a back cover extending and bending and having a second support portion spaced apart from the end of the display panel, and a plate disposed between the display panel and the back cover, wherein the plate is located at a position corresponding to the area where the printed circuit board is disposed. It may include formed grooves.

According to another feature of the present invention, the plate is disposed on the front surface of the first support portion and includes a core layer including a plastic resin and a metal layer disposed between the core layer and the display panel and made of the same material as the back cover. can do.

According to another feature of the present invention, the groove may be formed by removing a portion of the core layer and the metal layer corresponding to the area where the printed circuit board is disposed.

According to another feature of the present invention, the printed circuit board may be placed in the groove and placed to face the core layer.

According to another feature of the present invention, the groove may have a width wider than the width of the printed circuit board.

According to another feature of the present invention, the printed circuit board can be arranged to be bent toward the back of the display panel.

According to another feature of the present invention, the second support part may be provided with a bent end bent from an end of the second support part toward an end of the display panel.

Although embodiments of the present invention have been described in more detail with reference to the accompanying drawings, the present invention is not necessarily limited to these embodiments, and various modifications may be made without departing from the technical spirit of the present invention. . Accordingly, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but are for illustrative purposes, and the scope of the technical idea of the present invention is not limited by these embodiments. Therefore, the embodiments described above should be understood in all respects as illustrative and not restrictive. The scope of protection of the present invention should be interpreted in accordance with the claims below, and all technical ideas within the equivalent scope should be construed as being included in the scope of rights of the present invention.

100: display device
110: display panel
120: back cover
121: first support
122: second support
123: bent end
130, 330: plate
131, 331: core layer
132, 332: metal layer
333: Home
PEA: plate end area
CEA: Circuit avoidance area
PWA: Plate bulkhead area

Claims (16)

display panel;
a back cover including a first support portion supporting a rear surface of the display panel, a second support portion extending in a vertical direction from an end of the first support portion and being bent, and being spaced apart from an end of the display panel; and
a plate attached to the first support part between the front surface of the first support part and the display panel at a position spaced apart from the second support part;
The plate is disposed on the front surface of the first support portion and includes a core layer including a plastic resin, and a metal layer disposed between the core layer and the display panel,
When the plastic resin of the core layer is cured, the metal layer and the first support portion are combined. According to paragraph 1,
The display device wherein the metal layer is made of the same material as the back cover. According to paragraph 1,
The core layer is a display device in which at least one of carbon fiber, silicon carbide fiber, aramid fiber, and boron fiber is combined with the plastic resin. According to paragraph 1,
A display device, wherein an adhesive member is provided between the back of the display panel and the plate. According to paragraph 1,
The display device wherein the second support part is provided with a bent end bent from an end of the second support part toward an end of the display panel. According to clause 5,
A display device having a space between the second support portion and the bent end portion. According to clause 6,
A display device, wherein the first support part is provided with a moisture absorption member adhered to the back of the display panel at a position between the plate and the bent end. According to paragraph 1,
The display device includes a support end portion of the plate where both ends of the metal layer are vertically bent to surround a side surface of the core layer and supported on the front surface of the first support portion. According to paragraph 1,
A display device wherein the second support part is provided with a bent end that is bent at an end of the second support part opposite to an end of the display panel. A display panel on which a plurality of pixels are arranged;
A printed circuit board attached to the back of the display panel;
a back cover including a first support portion supporting a rear surface of the display panel, a second support portion extending in a vertical direction from an end of the first support portion and being bent, and being spaced apart from an end of the display panel; and
Includes a plate disposed between the display panel and the back cover,
The plate includes a groove formed at a position corresponding to an area where the printed circuit board is disposed,
The plate is disposed on the front surface of the first support portion and includes a core layer including a plastic resin, and a metal layer disposed between the core layer and the display panel,
When the plastic resin of the core layer is cured, the metal layer and the first support portion are combined. According to clause 10,
The display device wherein the metal layer is made of the same material as the back cover. According to clause 10,
The groove is formed by removing a portion of the core layer and the metal layer corresponding to the area where the printed circuit board is disposed. According to clause 12,
The printed circuit board is disposed in the groove and is disposed to face the core layer. According to clause 10,
The display device wherein the groove has a width wider than the width of the printed circuit board. According to clause 10,
A display device wherein the printed circuit board is arranged to be bent toward the back of the display panel. According to clause 10,
The display device wherein the second support part is provided with a bent end bent from an end of the second support part toward an end of the display panel.

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