Display device

Abstract

A display device of the present disclosure comprises: a display panel; a frame having the display panel coupled to a front side thereof; and a back cover disposed at a rear side of the frame, wherein a connector having a first hook is provided on the frame to protrude toward the back cover, and a latch having a second hook that engages with the first hook is provided on the back cover to protrude toward the frame.

Description

Display device

[0001] The present disclosure relates to a display device, and more specifically, to a display device in which a back cover is coupled to a frame.

[0002] As the information society develops, the demand for display devices is increasing in various forms; in response to this, various display devices such as LCD (Liquid Crystal Display Device), PDP (Plasma Display Panel), ELD (Electroluminescent Display), VFD (Vacuum Fluorescent Display), and OLED (Organic Light Emitting Diode) have recently been researched and are being used.

[0003] Among these, display devices using Organic Light Emitting Diodes (OLEDs) have superior brightness and viewing angle characteristics compared to liquid crystal display devices, and have the advantage of being able to be implemented as ultra-thin as they do not require a backlight unit.

[0004] Recently, active research is being conducted to improve the assembly structure of display devices while ensuring their rigidity.

[0005] Conventionally, set screws were used to connect the frame and back cover positioned at the rear of the display device. When using set screws for connection, the difference in thermal expansion coefficients between the frame and the back cover caused the joint to break easily and resulted in poor fastening. Consequently, the frame and back cover could separate, potentially damaging the display device and causing inconvenience and anxiety to the user.

[0006] In addition, to use set screws, it was necessary to form fastening structures, including holders, on the frame and back cover. This requires a separate process for forming the fastening structures, which leads to increased material and assembly costs.

[0007] Furthermore, when assembled using set screws, the fastening points were exposed when viewing the display unit from the rear, detracting from the user's aesthetic appeal. This could reduce the desire to purchase the display unit, leading to a decrease in sales.

[0008] In addition, an assembly structure has been attempted to combine the frame and back cover without using set screws; however, this results in a complex structure for maintaining the connection and an increase in manufacturing costs.

[0009] The technical problem of the present disclosure may be to provide a display device capable of solving the various problems of the prior art described above.

[0010] Another objective of the present disclosure may be to provide a display device that can easily combine a frame and a back cover.

[0011] Another objective of the present disclosure may be to provide a display device that can combine a frame and a back cover without using set screws.

[0012] Another objective of the present disclosure may be to provide a display device that can easily combine a frame and a back cover of an ultra-thin display device.

[0013] Another objective of the present disclosure may be to provide a display device capable of preventing the loosening of a bonding structure due to thermal expansion.

[0014] The problems of the present disclosure are not limited to those mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the description below.

[0015] According to one aspect of the present disclosure for achieving the above or other purposes, a display device comprises: a display panel; a frame to which the display panel is coupled at the front; and a back cover disposed at the rear of the frame, wherein a connector having a first hook is formed to protrude toward the back cover on the frame, and a latch having a second hook engaging with the first hook is formed to protrude toward the frame on the back cover.

[0016] The above connector can be formed by stamping a specific part of the frame with a press.

[0017] In the above frame, a boss is formed by pressing a predetermined portion around the connector to protrude toward the back cover, and the back cover may have a rib that contacts the side of the boss protruding toward the frame.

[0018] The effects of the display device according to the present disclosure are described as follows.

[0019] According to at least one of the embodiments of the present disclosure, a structure can be provided in which a back cover can be pushed into a frame to be easily connected.

[0020] According to at least one of the embodiments of the present disclosure, a structure can be provided that allows the frame and the back cover to be joined without using set screws.

[0021] According to at least one of the embodiments of the present disclosure, a structure can be provided that allows the frame and back cover of an ultra-thin display device to be easily combined.

[0022] According to at least one of the embodiments of the present disclosure, a structure capable of minimizing the loosening of a bonded structure due to thermal expansion can be provided.

[0023] The effects of the present disclosure are not limited to those mentioned above, and other unmentioned effects will be clearly understood by those skilled in the art from the description in the claims.

[0024] FIGS. 1 to 15 are drawings illustrating examples of display devices according to embodiments of the present disclosure.

[0025] Hereinafter, embodiments disclosed in this specification will be described in detail with reference to the attached drawings. Identical or similar components regardless of drawing symbols are given the same reference number, and redundant descriptions thereof will be omitted.

[0026] The suffixes "module" and "part" used for components in the following description are assigned or used interchangeably solely for the ease of drafting the specification, and do not inherently possess distinct meanings or roles.

[0027] In addition, when describing the embodiments disclosed in this specification, if it is determined that a detailed description of related prior art may obscure the essence of the embodiments disclosed in this specification, such detailed description is omitted. Furthermore, the attached drawings are intended only to facilitate understanding of the embodiments disclosed in this specification, and the technical concept disclosed in this specification is not limited by the attached drawings; it should be understood that they include all modifications, equivalents, and substitutions that fall within the concept and technical scope of this disclosure.

[0028] Terms including ordinal numbers, such as first, second, etc., may be used to describe various components, but said components are not limited by said terms. These terms are used solely for the purpose of distinguishing one component from another.

[0029] When it is stated that one component is "connected" or "connected" to another component, it should be understood that while it may be directly connected or connected to that other component, there may also be other components in between. On the other hand, when it is stated that one component is "directly connected" or "directly connected" to another component, it should be understood that there are no other components in between.

[0030] A singular expression includes a plural expression unless the context clearly indicates otherwise.

[0031] In this application, terms such as “comprising” or “having” are intended to specify the existence of the features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, and should be understood as not precluding the existence or addition of one or more other features, numbers, steps, actions, components, parts, or combinations thereof.

[0032] The directional indications of Up (U), Down (D), Left (Le), Right (Ri), Front (F), and Rear (R) shown in the drawings are for convenience of explanation only and do not limit the technical concepts disclosed in this specification.

[0033]

[0034] Referring to FIG. 1, a display device (1) according to one embodiment of the present disclosure is described.

[0035] Referring to FIG. 1, the display device (1) may include a display panel (10). The display panel (10) may display an image.

[0036] The display device (1) may include a first long side (LS1, first long side), a second long side (LS2, second long side) opposite the first long side (LS1), a first short side (SS1, first short side) adjacent to the first and second long sides (LS1, LS2), and a second short side (SS2, second short side) opposite the first short side (SS1). Meanwhile, for convenience of explanation, the lengths of the first and second long sides (LS1, LS2) are shown and described as being longer than the lengths of the first and second short sides (SS1, SS2), but it is also possible for the lengths of the first and second long sides (LS1, LS2) to be approximately the same as the lengths of the first and second short sides (SS1, SS2).

[0037] The direction parallel to the long sides (LS1, LS2) of the display device (1) may be referred to as the left-right direction or the first direction (DR1). The direction parallel to the short sides (SS1, SS2) of the display device (1) may be referred to as the up-down direction or the second direction (DR2). The direction perpendicular to the long sides (LS1, LS2) and short sides (SS1, SS2) of the display device (1) may be referred to as the front-back direction or the third direction (DR3).

[0038] The direction in which the display panel (10) displays an image can be referred to as the front (F, z), and the opposite direction can be referred to as the rear (R). The first long side (LS1) can be referred to as the top (U, y), and the second long side (LS2) can be referred to as the bottom (D). The first short side (SS1) can be referred to as the left (Le, x), and the second short side (SS2) can be referred to as the right (Ri).

[0039] The first long side (LS1), the second long side (LS2), the first short side (SS1), and the second short side (SS2) can be referred to as edges of the display device (1). The point where the first long side (LS1), the second long side (LS2), the first short side (SS1), and the second short side (SS2) meet each other can be referred to as a corner.

[0040] The point where the first short side (SS1) and the first long side (LS1) meet can be called the first corner (C1). The point where the first long side (LS1) and the second short side (SS2) meet can be called the second corner (C2). The point where the second short side (SS2) and the second long side (LS2) meet can be called the third corner (C3). The point where the second long side (LS2) and the first short side (SS1) meet can be called the fourth corner (C4).

[0041]

[0042] With reference to FIGS. 2 and FIGS. 3, the display device (1) will be described in more detail.

[0043] FIG. 2 is an exploded perspective view of a display device (1) equipped with an OLED (Organic Light Emitting Diode) panel, and FIG. 3 is an exploded perspective view of a display device (1) equipped with an LCD (Liquid Crystal Display) panel.

[0044] Referring to FIG. 2, the display device (1) may include a display panel (10), a frame (20), and a back cover (30).

[0045] The display panel (10) can form the front surface of the display device (1) and can display an image. The display panel (10) can display an image by having multiple pixels output RGB (Red, Green, or Blue) in time for each pixel. The display panel (10) can be divided into an active area where an image is displayed and a de-active area where an image is not displayed. The display panel (10) may be an OLED (Organic Light Emitting Diode) panel.

[0046] The frame (20) can support the components of the display device (1) by having the display panel (10) coupled to the front. The frame (20) may be referred to as a module cover (20) or a cover frame (20). A component such as a PCB (Printed Circuit Board) on which a plurality of electronic components are located may be coupled to the frame (20).

[0047] The back cover (30) can cover the frame (20). The back cover (30) can be attached to the frame (20). The back cover (30) can form the rear of the display device (1). The back cover (30) can cover the rear of the frame (20). The back cover (30) may include a metal material.

[0048]

[0049] Referring to FIG. 3, the display device (1) may include a display panel (10), a front cover (11), a guide panel (12), a backlight unit (13), a frame (20), and a back cover (30).

[0050] The display panel (10) can form the front surface of the display device (1) and can display an image. The display panel (10) can display an image by having multiple pixels output RGB (Red, Green, or Blue) for each pixel in a timed manner. The display panel (10) can be divided into an active area where an image is displayed and a de-active area where an image is not displayed.

[0051] The display panel (10) may be an LCD (Liquid Crystal Display) panel. The display panel (10) may include a front substrate and a rear substrate that are opposite each other with a liquid crystal layer in between, and may display an image using light provided from a backlight unit (13).

[0052] The front substrate may include a plurality of pixels composed of red, green, and blue subpixels. The front substrate may output light corresponding to the color red, green, or blue according to a control signal.

[0053] The rear substrate may include switching elements. The rear substrate may switch the pixel electrode. For example, the pixel electrode may change the molecular arrangement of the liquid crystal layer according to a control signal input from the outside. The liquid crystal layer may include liquid crystal molecules. The arrangement of the liquid crystal molecules may change in correspondence with the voltage difference generated between the pixel electrode and the common electrode. The liquid crystal layer may transmit light provided from the backlight unit (13) to the front substrate or block it.

[0054] The front cover (11) can cover at least a portion of the front and side areas of the display panel (10). The front cover (11) can be divided into a front cover located on the front of the display panel (10) and a side cover located on the side. At least one of the front cover or the side cover may be omitted.

[0055] The guide panel (12) can surround the perimeter of the display panel (10) and cover the side of the display panel (10). The guide panel (12) can be combined with the display panel (10) or support the display panel (10).

[0056] The backlight unit (13) may be located at the rear of the display panel (10). The backlight unit (13) may include light sources. The backlight unit (13) may be coupled to the frame (20) at the front of the frame (20). The backlight unit (13) may be driven in a full driving mode or in a partial driving mode such as local dimming or impulsive. The backlight unit (13) may include an optical sheet (14) and an optical layer (15).

[0057] The optical sheet (14) can evenly transmit light from a light source to a display panel (10). The optical sheet (14) may be composed of multiple layers. For example, the optical sheet (14) may include a prism sheet or a diffusion sheet. For example, the optical sheet (14) may be a Double Brightness Enhance Film (DBEF). Meanwhile, the bonding portion of the optical sheet (14) may be bonded to a front cover (11), a frame (20), or a back cover (30).

[0058] The frame (20) may be located at the rear of the backlight unit (13), and the display panel (10) may be coupled to the front to support the components of the display device (1). The frame (20) may be referred to as a module cover (20) or a cover frame (20). For example, components such as the backlight unit (13) and a PCB (Printed Circuit Board) on which a plurality of electronic components are located may be coupled to the frame (20).

[0059] The back cover (30) can be positioned at the rear of the frame (20). The back cover (30) can cover the frame (20). The back cover (30) can be attached to the frame (20) and / or the front cover (11).

[0060] The connector (40) and latch (50) described later may be applied to a display device (1, see FIG. 2) or a display device (1, see FIG. 3).

[0061]

[0062] With reference to FIGS. 4 to 7, a connector (40) and a latch (50) of the first embodiment of the present disclosure will be described in detail.

[0063] Referring to FIG. 4, a portion of the frame (20) may protrude toward the back cover (30) to form a connector (40). The connector (40) may be referred to as a protrusion (40), a catch (40), or a fixing part (40).

[0064] The connector (40) may be provided with a first hook (42). The connector (40) may include a stem (41) protruding from the frame (20) toward the back cover (30).

[0065] A portion of the back cover (30) may protrude toward the frame (20) to form a latch (50). The latch (50) may be referred to as a hook (50) or an anchor (50).

[0066] The latch (50) may be provided with a second hook (52) that engages with a first hook (42). The first hook (42) engages with the second hook (52) in the front-rear direction to prevent the back cover (30) from moving backward. The latch (50) may include a latch rib (51) that protrudes from the back cover (30) toward the frame (20).

[0067] The stem (41) may be in the shape of a column. The stem (41) may have various shapes, such as a cylinder, a square column, or a polygonal column. The stem (41) may protrude in a direction perpendicular to the frame (20). The end portion of the stem (41) that is not connected to the frame (20) may have a plane parallel to the frame (20). Alternatively, the end portion of the stem (41) may have a curved surface.

[0068] The first hook (42) may be formed to protrude toward one side of the stem (41). The first hook (42) may be formed by cutting off a portion of one side of the stem (41). The first hook (42) may be formed at the end of the stem (41). The first hook (42) may protrude toward the second hook (52).

[0069] The first hook (42) may have a first inner surface (43) formed therein that is positioned closer to the back cover (30) than the second hook (52). The first inner surface (43) may be extended to be orthogonal to the protruding direction of the stem (41). The first inner surface (43) may engage with the second hook (52). The first inner surface (43) may face the frame (20). The first inner surface (43) may be spaced apart from the frame (20) by a predetermined distance. Accordingly, a space may be formed in which the second hook (52) is positioned in front of the first hook (42).

[0070] The first hook (42) may include a first outer surface. The first outer surface may be a surface excluding the first inner surface (43) of the first hook (42). The first outer surface may be rounded. The first outer surface may be rounded to connect with the protruding end surface of the stem (41).

[0071] Among the surfaces of the first hook (42), the surface positioned closest to the back cover (30) can be rounded so that the distance from the back cover (30) increases as it approaches the protruding end of the first hook (42). Accordingly, when the back cover (30) is attached, the second hook (52) can move smoothly forward along the rounded curved surface of the first hook (42).

[0072] The distance at which the end portion of the first hook (42) protrudes from the stem (41) can be called the first protrusion length (L1, see FIG. 4). The first protrusion length (L1) may be one width of the first inner surface (43).

[0073] Referring to FIG. 5, the stem (41) may be formed with different widths that are orthogonal to each other. Among the widths, the largest width may be called the wide width (W1). The first hook (42) may be formed parallel to the direction of the wide width (W1). The first hook (42) may be formed to protrude in a direction orthogonal to the direction of the wide width (W1).

[0074] Referring to FIG. 6, the connector (40) can be formed by pressing a specific portion of the frame (20). Accordingly, a space (49) can be formed inside the stem (41). The wall thickness of the stem (41) may be equal to the thickness of the frame (20).

[0075] The first hook (42) may be difficult to secure a first protruding length (L1, see FIG. 6) of more than a certain length by press stamping. The first protruding length (L1) may be 1 to 2 mm.

[0076] The first inner surface (43) may be spaced apart from the frame (20) by a predetermined distance. The distance may be called the first hook height (h1). In the case of an ultra-thin display, the first hook height (h1) may be small. The first hook height (h1) may be 2 to 5 mm.

[0077] Referring to FIG. 4, the latch rib (51) may be plate-shaped. The latch rib (51) may be shaped like a square plate, a circular plate, a polygonal plate, etc. The latch rib (51) may protrude in a direction perpendicular to the back cover (30). The protruding end of the latch rib (51) may have a plane parallel to the back cover (30). Alternatively, the end of the latch rib (51) may have a curved surface.

[0078] The second hook (52) may be formed to protrude to one side of the latch rib (51). The second hook (52) may be formed at the end of the latch rib (51). The second hook (52) may protrude toward the first hook (42).

[0079] The second hook (52) may have a second inner surface (53) formed therein that is positioned closer to the frame (20) than the first hook (42). The second inner surface (53) may be extended to be orthogonal to the protruding direction of the latch rib (51). The second inner surface (53) may engage with the first hook (42). The second inner surface (53) may be opposite to the back cover (30). The second inner surface (53) may be spaced apart from the back cover (30) by a predetermined distance. Accordingly, a space may be formed in which the first hook (42) is positioned behind the second hook (52).

[0080] The second hook (52) may include a second outer surface. The second outer surface may be a surface excluding the second inner surface (53) of the second hook (52). The second outer surface may be rounded. The second outer surface may be rounded to connect with the protruding end surface of the latch rib (51).

[0081] Among the surfaces of the second hook (52), the surface closest to the frame (20) can be rounded so that the distance from the frame (20) increases as it approaches the protruding end of the second hook (52). Accordingly, when the back cover (30) is attached, the latch (50) can move smoothly forward along the rounded curved surface of the second hook (52).

[0082] The distance at which the end portion of the second hook (52) protrudes from the latch rib (51) can be called the second protrusion length (L2, see FIG. 4). The second protrusion length (L2) may be one width of the second inner surface (53).

[0083] The first inner surface (43) and the second inner surface (53) can be interlocked while in contact with each other. The length of the first hook (42) and the second hook (52) interlocking can be called the interlocking amount (L3, see FIG. 4). The interlocking amount (L3) may be the width of the surface where the first inner surface (43) and the second inner surface (53) are in contact and interlocked, specifically the width in the direction in which the first hook (42) and the second hook (52) protrude. The interlocking amount (L3) may be equal to or smaller than the smaller value between the first protrusion length (L1, see FIG. 4) and the second protrusion length (L2, see FIG. 4).

[0084] The bonding force between the frame (20) and the back cover (30) may be related to the clamping amount (L3). The greater the clamping amount (L3), the more firmly the back cover (30) can be bonded to the frame (20).

[0085] Force can be applied from the rear of the back cover (30) to attach the back cover (30) to the frame (20). Accordingly, the first outer surface of the first hook (42) and the second outer surface of the second hook (52) can come into contact in the front-rear direction. The first outer surface of the first hook (42) and / or the second outer surface of the second hook (52) can be rounded. The force applied from the rear can be laterally distributed by the rounded curved surface. Accordingly, the second hook (52) can receive force in the direction in which the first hook (42) protrudes, and the latch rib (51) can be elastically deformed in that direction. If force is continuously applied from the rear of the back cover (30), the second inner surface (53) is positioned further forward than the first inner surface (43), so that contact between the first outer surface and the second outer surface can be separated. Accordingly, the elastic deformation of the latch rib (51) is restored, and a gripping amount (L3) can be created between the first hook (42) and the second hook (52).

[0086] Referring to FIG. 7, the latch rib (51) may have a reinforcing member (54) formed on the opposite side of the side where the second hook (52) protrudes. The reinforcing member (54) can increase the strength of the latch (50) so that the latch (50) does not undergo plastic deformation when the frame (20, see FIG. 4) and the back cover (30) are combined.

[0087] The reinforcing member (54) may protrude in the opposite direction to the second hook (52). Since the first hook (42, see FIG. 4) needs to be elastically deformed in the direction in which it protrudes for the latch (50) to be coupled with the connector (40, see FIG. 4), the reinforcing member (54) may extend from the part where the latch rib (51) contacts the back cover (30) until it reaches the part where the second hook (52) protrudes.

[0088] The reinforcing members (54) may be formed spaced apart from each other. Multiple reinforcing members (54) may be formed.

[0089]

[0090] With reference to FIG. 8, a connector (40a) and a latch (50a) of a second embodiment of the present disclosure will be described in detail.

[0091] Referring to FIG. 8, the first inner surface (43a) and the second inner surface (53a) can each be extended at a predetermined angle with respect to the protruding direction of the stem (41a) and the latch rib (51a).

[0092] The first inner surface (43a) can be extended to form an acute angle with the protruding direction of the stem (41a).

[0093] The second inner surface (53a) can be extended to form an acute angle with the protruding direction of the latch rib (51a).

[0094] Accordingly, the contact area between the first inner surface (43a) and the second inner surface (53a) can be increased, and the amount of contact (L3a) can be increased.

[0095] When force is applied to the rear of the latch (50a), the first inner surface (43a) and the second inner surface (53a) are formed at an angle, so that the force can be applied in a direction that brings the stem (41a) and the latch rib (51a) closer to each other. Thus, the connector (40a) and the latch (50a) can be joined more securely.

[0096] Other configurations are identical to the first embodiment, so further description is omitted.

[0097]

[0098] Referring to FIGS. 9 and FIGS. 10, a connector (40b) of the third embodiment of the present disclosure will be described in detail.

[0099] Referring to FIG. 9, the stem (41b) may be formed with a square cross-section. The first hook (42b) may protrude to have a width equal to the length of one side of the end cross-section of the stem (41b). The length of the one side may be called the wide width (W1b). The wide width (W1b) may be longer than the length of the other side. The wide width (W1b) may be 4 to 8 mm.

[0100] Referring to FIG. 10, one side (44b) of the stem (41b) with the first hook (42b) protruding therefrom may extend in a direction orthogonal to the frame (20b). The other side (45b) of the stem (41b) opposite to the one side (44b) with the first hook (42b) protruding therefrom may extend at an angle such that the cross-sectional area of ​​the stem (41b) becomes smaller as it moves toward the rear.

[0101] Due to the characteristics of press stamping, breakage may occur if the stem (41b) is formed in a direction orthogonal to the frame (20b). By extending the other side (45b) of the stem (41b) at an angle, breakage occurring during press stamping can be reduced. The end surface of the stem (41b) and the other side (45b) may be rounded.

[0102] A space (49b) may be formed on the inner side of the stem (41b). The space (49b) may be a space where a mold is placed to form a connector (40b).

[0103] The first protrusion length (L1b, see FIG. 10) may be 1 to 3 mm. The first hook height (h1b) may be 2 to 5 mm.

[0104] Other configurations are identical to the first embodiment, so further description is omitted.

[0105]

[0106] With reference to FIGS. 11 to 14, a boss (60) and a rib (70) according to a fourth embodiment of the present disclosure will be described in detail.

[0107] Referring to FIG. 11, the frame (20c) may have a boss (60) formed therein, in which a certain portion around the connector (40c) protrudes toward the back cover (30c). The boss (60) may be cylindrical in shape. The length of the boss (60) protruding from the frame (20c) may be smaller than the length of the connector (40c) protruding from the frame (20c).

[0108] The boss (60) may be a pair of bosses (60) positioned on both sides of the connector (40c). For example, the boss (60) may be formed on the same vertical line as the connector (40c). The boss (60) may be formed on the same horizontal line as the connector (40c).

[0109] The back cover (30c) may have a rib (70) that contacts the side of the boss (60) and protrudes toward the frame (20c). The length of the rib (70) protruding from the back cover (30c) may be equal to or smaller than the length of the latch rib (51c) protruding from the back cover (30c).

[0110] The rib (70) may be composed of a pair of ribs (70) corresponding to the pair of bosses (60). Each of the pair of ribs (70) may be positioned to face the first hook (42c) and the second hook (52c) with respect to an imaginary straight line connecting the centers of the pair of bosses (60). Unlike the drawing, the boss (60) and the rib (70) may be formed one by one.

[0111] Referring to FIG. 12, the boss (60) and the rib (70) can guide the connection of the connector (40c) and the latch (50c). The end of the boss (60) can be rounded. The end of the rib (70) can be rounded. When the connector (40c) and the latch (50c) are connected, the rib (70) can come into contact with the side of the boss (60) and guide the connection. A pair of bosses (60, see FIG. 11) and ribs (70, see FIG. 11) are formed on both sides of the connector (40c) to guide the connection of the connector (40c) and the latch (50c) more stably.

[0112] As the display device (1) is used, heat is generated, causing the back cover (30c) and frame (20c) to expand thermally. For the same temperature change, the amount of expansion may be greater for an object with a higher coefficient of thermal expansion. The longer the length of the object, the greater the amount of expansion due to thermal expansion. For the same object, the distance from the center may increase more significantly for parts that are further from the center during thermal expansion.

[0113] The thermal expansion coefficients of the frame (20c) and the back cover (30c) may differ. The thermal expansion coefficient of the back cover (30c) may be greater than the thermal expansion coefficient of the frame (20c). When the connector (40c) and the latch (50c) are formed to the right of the center of the frame (20c) and the back cover (30c), respectively, the thermal expansion coefficient of the back cover (30c) is greater, so the amount of contact (L3c, see FIG. 12) between the first hook (42c) and the second hook (52c) during thermal expansion may be reduced. As the amount of contact (L3c) is reduced, the connection between the connector (40c) and the latch (50c) may be separated.

[0114] The boss (60) and the rib (70) can act as stoppers. The boss (60) and the rib (70) can prevent the amount of contact (L3c) between the first hook (42c) and the second hook (52c) from decreasing.

[0115] Among the surfaces of the rib (70), the surface where the normal faces the expansion direction of the back cover (30c) can be positioned to contact the side of the boss (60). Even if thermal expansion occurs, the rib (70) formed around the connector (40c) and the latch (50c) and the boss (60) come into contact, thereby preventing the clamping amount (L3c) from decreasing.

[0116] The vertical distance (L4) between the rib (70) and the latch rib (51c) can be related to the amount of gripping (L3c). The vertical distance (L4) between the rib (70) and the latch rib (51c) can be less than 10 times the amount of gripping (L3c). The smaller the vertical distance (L4), the smaller the difference in thermal expansion between the latch (50c) and the rib (70), so that the reduction of the amount of gripping (L3c) can be minimized.

[0117] In the drawing, the connector (40c) and latch (50c) corresponding to the fourth embodiment are shown, but the boss (60) and rib (70) structure can be applied in the same way to the connector (40) and latch (50) corresponding to the first to third embodiments.

[0118] Unlike the present drawing, the connector (40c) may be formed in the area where the boss (60) is formed so as to face in the opposite direction to the previously formed connector (40c) and latch (50c), and the latch (50c) may be formed in the area where the rib (70) is formed. Accordingly, the clamping amount (L3c) may not change even if thermal expansion or contraction occurs.

[0119] Referring to FIG. 13, the boss (60) can be formed by stamping with a press. To prevent breakage that occurs during press stamping, the boss (60) can be formed at a predetermined distance from the connector (40c). The boss (60) can be formed at a distance of 10 to 50 mm from the connector (40c).

[0120] Referring to FIG. 14, the rib (70) may be in the shape of a square plate. A pair of ribs (70) may be formed on the same straight line.

[0121] Other configurations are identical to the first embodiment, so further description is omitted.

[0122]

[0123] With reference to FIG. 15, a frame (20b) and a connector (40b) according to a third embodiment of the present disclosure will be described in more detail.

[0124] Referring to FIG. 15, a plurality of connectors (40b) may be formed on the rear surface of the frame (20b). Correspondingly, a plurality of latches (50, see FIG. 7) may also be formed on the front surface of the back cover (30, see FIG. 7). At this time, the connector (40b) may include a first connector (40b1) and a second connector (40b2).

[0125] The upper side (20LS1) of the frame (20b) may be extended in the left-right direction. The lower side (20LS2) of the frame (20) may be extended in the left-right direction opposite to the upper side (20LS1). The left side (20SS1) of the frame (20) may be extended in the up-down direction. The right side (20SS2) of the frame (20) may be extended in the up-down direction opposite to the left side (20SS1).

[0126] The upper side (20LS1) and lower side (20LS2) of the frame (20b) can be divided into four equal parts from left to right, and divided into the first, second, third, and fourth sections from the left. The left side (20SS1) and right side (20SS2) of the frame can be divided into five equal parts from top to bottom, and divided into the fifth and sixth sections from the top.

[0127] For example, a plurality of first connectors (40b1) may be formed in the first zone. A plurality of connectors (40b1) may be formed adjacent to the left side (20SS1). A plurality of first connectors (40b1) may be formed spaced apart vertically. A plurality of second connectors (40b2) may be formed in the fourth zone. A plurality of second connectors (40b2) may be formed adjacent to the right side (20SS1). A plurality of second connectors (40b2) may be formed spaced apart vertically.

[0128] Unlike the drawing, the connector (40b) may be formed in the second and third zones. The connector (40b) may be formed in the fifth and sixth zones. The connector (40b) may be adjacent to the upper side (20LS1) and multiple connectors may be formed. The connector (40b) may be adjacent to the lower side (20LS2) and multiple connectors may be formed. The connector (40b) may be formed spaced apart to the left and right.

[0129] In the present drawing, the connector (40b1, 40b2) is formed such that the first hook (42b, see FIG. 10) faces outward toward the frame (20b), but alternatively, the first hook (42b) may be formed such that it faces inward toward the frame (20b). Alternatively, the first hook (42b) may be formed such that it faces in one direction.

[0130] In the drawing, a connector (40b) corresponding to the third embodiment is shown, but connectors (40) corresponding to the first to fourth embodiments can also be applied in the same way.

[0131]

[0132] Referring to FIGS. 1 to 15, a display device (1) according to one aspect of the present disclosure comprises: a display panel (10); a frame (20) to which the display panel (10) is coupled at the front; and a back cover (30) disposed at the rear of the frame (20). A connector (40) having a first hook (42) is formed to protrude toward the back cover (30), and a latch (50) having a second hook (52) that engages with the first hook (42) is formed to protrude toward the frame (20).

[0133] The connector (40) can be formed by pressing a specific part of the frame (20).

[0134] The connector (40) includes a stem (41) protruding from the frame (20) toward the back cover (30), the first hook (42) protrudes from the stem (41) toward the second hook (52), and the latch (50) includes a latch rib (51) protruding from the back cover (30) toward the frame (20), and the second hook (52) can protrude from the latch rib (51) toward the first hook (42).

[0135] The first hook (42) may protrude from the end portion of the stem (41), and the second hook (52) may protrude from the end portion of the latch rib (51).

[0136] The first hook (42) may have a first inner surface (43) formed therein that is positioned closer to the back cover (30) than the second hook (52), and the second hook (52) may have a second inner surface (53) formed therein that is positioned opposite to the first inner surface (43) and engages with the first inner surface (43) in a state of contact with each other.

[0137] The first inner surface (43) and the second inner surface (53) can each be extended at a predetermined angle with respect to the protrusion direction of the stem (41) and the latch rib (51).

[0138] At least one of the first outer surface of the first hook (42) or the second outer surface of the second hook (52) may be rounded.

[0139] The above stem (41) has a square cross-section, and the first hook (42) can protrude to have a width equal to the length of one side of the end cross-section of the stem (41).

[0140] One side of the stem (41) on which the first hook (42) protrudes extends in a direction orthogonal to the frame (20), and the other side of the stem (41) opposite to the one side on which the first hook (42) protrudes may be extended at an angle such that the cross-sectional area of ​​the stem (41) becomes smaller toward the back cover (30).

[0141] The first hook (42) is formed such that the first inner surface (43) is spaced 2 to 5 mm apart from the frame (20), the end portion of the first hook (42) protrudes 1 to 2 mm from the stem (41), and the stem (41) may be formed with a width of 4 to 8 mm in a direction perpendicular to the direction in which the first hook (42) protrudes.

[0142] The above latch rib (51) may have a reinforcing member (54) formed on the opposite side located on the side opposite to where the second hook (52) protrudes.

[0143] The above reinforcing member (54) may be composed of a plurality of reinforcing members (54) that are spaced apart from each other and extend from the portion where the latch rib (51) contacts the back cover (30) until the portion where the second hook (52) protrudes.

[0144] The above frame (20) has a boss (60) formed by pressing a predetermined portion around the connector (40) to protrude toward the back cover (30), and the back cover (30) can have a rib (70) that contacts the side of the boss (60) protrude toward the frame (20).

[0145] The above boss (60) is composed of a pair of bosses (60) positioned on both sides of the connector (40), and the rib (70) may be composed of a pair of ribs (70) corresponding to each of the bosses (60).

[0146] Each of the above pair of ribs (70) can be positioned to face the first hook (42) and the second hook (52) with respect to an imaginary straight line connecting the centers of the above pair of bosses (60).

[0147] Some or other embodiments of the present disclosure described above are not exclusive or distinct from one another. Some or other embodiments of the present disclosure described above may be used in combination or combined for their respective configurations or functions.

[0148] For example, this means that configuration A described in a specific embodiment and / or drawing and configuration B described in another embodiment and / or drawing can be combined. That is, even if the combination between configurations is not directly described, it means that combination is possible, except in cases where it is described that combination is impossible.

[0149] The foregoing detailed description should not be interpreted restrictively in all respects and should be considered exemplary. The scope of the invention shall be determined by a reasonable interpretation of the appended claims, and all modifications within the equivalent scope of the invention are included within the scope of the invention.

Claims

1. Display panel; A frame to which the above-mentioned display panel is coupled at the front; and It includes a back cover positioned at the rear of the above frame, and A connector having a first hook is formed on the above frame to protrude toward the back cover, and A display device having a latch formed on the back cover such that it protrudes toward the frame and has a second hook that engages with the first hook.

2. In Paragraph 1, The above connector is a display device in which a predetermined part of the frame is punched out by a press.

3. In Paragraph 2, The connector includes a stem that protrudes from the frame toward the back cover, and The first hook protrudes from the stem toward the second hook, and The above latch includes a latch rib protruding from the back cover toward the frame, and The second hook above is a display device that protrudes from the latch rib toward the first hook.

4. In Paragraph 3, The first hook above protrudes from the end portion of the stem, and The second hook above is a display device protruding from the end portion of the latch rib.

5. In Paragraph 3, The first hook has a first inner surface formed thereon that is positioned closer to the back cover than the second hook, and A display device in which the second hook is positioned opposite to the first inner surface, and a second inner surface is formed that engages with the first inner surface in a state of contact with each other.

6. In Paragraph 5, The first inner surface and the second inner surface are each a display device extending at a predetermined angle with respect to the protrusion direction of the stem and the latch rib.

7. In Paragraph 5, A display device in which at least one of the first outer surface of the first hook or the second outer surface of the second hook is rounded.

8. In Paragraph 5, The above stem has a square cross-section, and The first hook above is a display device that protrudes to have a width equal to the length of one side of the end face of the stem.

9. In Paragraph 8, One side of the stem on which the first hook protrudes extends in a direction orthogonal to the frame, and A display device in which the other side of the stem opposite to the one side of the stem on which the first hook protrudes is extended at an angle such that the cross-sectional area of ​​the stem becomes smaller toward the back cover side.

10. In Paragraph 9, The first hook is formed such that the first inner surface is spaced 2 to 5 mm apart from the frame, and The end portion of the first hook protrudes 1 to 2 mm from the stem, and The above stem is a display device formed with a width of 4 to 8 mm in a direction perpendicular to the direction in which the first hook protrudes.

11. In Paragraph 3, The above latch rib is a display device in which a reinforcing portion is formed on the opposite side located on the side opposite to where the second hook protrudes.

12. In Paragraph 11, The reinforcing member protrudes in the opposite direction to the second hook and extends from the portion where the latch rib contacts the back cover until it reaches the portion where the second hook protrudes. A display device composed of multiple reinforcing members spaced apart from each other.

13. In Paragraph 3, The above frame has a boss formed by pressing a predetermined portion around the connector to protrude toward the back cover, and The above back cover is a display device in which a rib that contacts the side of the boss protrudes toward the frame.

14. In Paragraph 13, The above boss consists of a pair of bosses positioned on both sides of the connector, and A display device comprising a pair of ribs such that the above rib corresponds to each of the above bosses.

15. In Paragraph 14, A display device in which each of the above pair of ribs is positioned opposite the first hook and the second hook based on a virtual straight line connecting the centers of the above pair of bosses.

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