Display device

Abstract

A display device is disclosed. The display device of the present disclosure may include: a display panel; a frame located at the rear of the display panel; a light source providing light to the display panel; an optical plate located between the display panel and the light source; a frame facing the display panel with respect to the optical plate and on which the optical plate is seated; and a holder adjacent to one side of the optical plate and coupled to the frame, wherein the holder may include: a plurality of protrusions formed on one surface of the holder facing the one side of the optical plate; and a coupling portion protruding from the holder toward the frame, penetrating the frame, and engaging with the rear surface of the frame.

Description

Technology Field

[0001] The present disclosure relates to a display device. Background Technology

[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, the LCD panel is equipped with a TFT substrate and a color substrate facing each other with a liquid crystal layer in between, and can display an image using light provided from a backlight unit.

[0004] Recently, much research has been conducted on structures for slimming down the bezels of display devices. In addition, significant research is being conducted on holders that control the flow of diffusion plates caused by thermal expansion or contraction. The problem to be solved

[0005] The present disclosure aims to solve the aforementioned problems and other problems.

[0006] Another purpose may be to provide a combined structure of the holder and frame of the diffuser plate (or light guide plate).

[0007] Another objective may be to provide a structure that can improve the reliability of the connection between the frame and the holder, which occupies a relatively narrow area.

[0008] Another purpose may be to provide a structure that can continuously maintain the connection between the holder and the frame regardless of external shocks or temperature changes.

[0009] Another objective may be to provide a structure that can reduce manufacturing costs by allowing the holder to be attached to the frame without using separate components such as double-sided tape.

[0010] Another purpose may be to provide a structure that minimizes light leakage from the diffuser plate to the outside.

[0011] Another purpose may be to combine the guide panel and the frame, and to provide a structure that guides this combination. means of solving the problem

[0012] According to one aspect of the present disclosure for achieving the above or other purposes, a display device may include: a display panel; a frame located behind the display panel; a light source providing light to the display panel; an optical plate located between the display panel and the light source; a frame facing the display panel with respect to the optical plate and on which the optical plate is seated; and a holder adjacent to one side of the optical plate and coupled to the frame, wherein the holder may include: a plurality of protrusions formed on one surface of the holder facing the one side of the optical plate; and a coupling portion protruding from the holder toward the frame, penetrating the frame, and engaging with the rear surface of the frame. Effects of the invention

[0013] The effects of the display device according to the present disclosure are described as follows.

[0014] According to at least one of the embodiments of the present disclosure, a combined structure of a holder and a frame of a diffuser plate (or light guide plate) can be provided.

[0015] According to at least one of the embodiments of the present disclosure, a structure can be provided that can improve the coupling reliability of a frame and a holder occupying a relatively narrow area.

[0016] According to at least one of the embodiments of the present disclosure, a structure can be provided that can continuously maintain the connection between the holder and the frame regardless of external shocks or temperature changes.

[0017] According to at least one of the embodiments of the present disclosure, a structure can be provided that allows a holder to be attached to a frame without using a separate member such as double-sided tape, thereby reducing manufacturing costs.

[0018] According to at least one of the embodiments of the present disclosure, a structure can be provided that minimizes light leakage from the diffuser plate to the outside.

[0019] According to at least one of the embodiments of the present disclosure, a structure can be provided that combines a guide panel and a frame and guides such combination.

[0020] Further scopes of the applicability of the present disclosure will become apparent from the following detailed description. However, since various changes and modifications within the spirit and scope of the present disclosure are clearly understood by those skilled in the art, specific embodiments, such as the detailed description and preferred embodiments of the present disclosure, should be understood as being given merely as examples. Brief explanation of the drawing

[0021] FIGS. 1 to 4 are drawings illustrating examples of display devices related to the present disclosure. FIGS. 5 to 29 are drawings illustrating examples of display devices according to embodiments of the present disclosure. Specific details for implementing the invention

[0022] 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.

[0023] 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.

[0024] 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.

[0025] 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.

[0026] 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.

[0027] A singular expression includes a plural expression unless the context clearly indicates otherwise.

[0028] 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.

[0029] Referring to FIG. 1, the display device (1) may include a display panel (10). The display panel (10) may display a screen.

[0030] The display device (1) may include a first long side (LS1), a second long side (LS2) facing the first long side (LS1), a first short side (SS1) adjacent to the first long side (LS1) and the second long side (LS2), and a second short side (SS2) facing 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).

[0031] The direction parallel to the long side (LS1, LS2) of the display device (1) can be called the left-right direction. The direction parallel to the short side (SS1, SS2) of the display device (1) can be called the up-down direction. The direction perpendicular to the long side (LS1, LS2) and short side (SS1, SS2) of the display device (1) can be called the front-back direction.

[0032] The direction in which the display panel (10) displays an image can be called the front (F, z), and the opposite direction can be called the rear (R). The first long side (LS1) can be called the upper side (U, y). The second long side (LS2) can be called the lower side (D). The first short side (SS1) can be called the left side (Le, x). The second short side (SS2) can be called the right side (Ri).

[0033] 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). Additionally, 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.

[0034] For example, 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).

[0035] Referring to FIG. 2, the display device (1) may include a display panel (10), a front cover (15), a guide panel (20), a backlight unit (30), a frame (80), and a back cover (89).

[0036] A display panel (10) can form the front surface of a 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. The display panel (10) may include a front substrate and a rear substrate facing each other with a liquid crystal layer in between. The display panel (10) can be referred to as an LCD panel.

[0037] 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.

[0038] 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 (30) to the front substrate or block it.

[0039] The front cover (15) can cover at least a portion of the front and side areas of the display panel (10). The front cover (15) may be divided into a front cover located on the front of the display panel (10) and a side cover located on the side. The front cover and the side cover may be provided separately or as a single body. At least one of the front cover or the side cover may be omitted.

[0040] The guide panel (20) can surround the perimeter of the display panel (10) and cover the side of the display panel (10). The guide panel (20) can be combined with the display panel (10) or support the display panel (10). The guide panel (20) may be referred to as a panel guide or a side frame.

[0041] The backlight unit (30) may be located at the rear of the display panel (10). The backlight unit (30) may include light sources. The backlight unit (30) may be coupled to the frame (80) at the front of the frame (80). The backlight unit (30) may be driven in a full driving mode or in a partial driving mode such as local dimming or impulsive. The backlight unit (30) may include an optical sheet (32) and an optical plate (31).

[0042] The optical sheet (32) can evenly transmit light from a light source to the display panel (10). The optical sheet (32) may be composed of multiple layers. For example, the optical sheet (32) may include a prism sheet or a diffusion sheet. Meanwhile, the sheet bonding portion (32d) of the optical sheet (32) may be bonded to the front cover (15), frame (80), or back cover (89).

[0043] The frame (80) may be located at the rear of the backlight unit (30) and may support the components of the display device (1). For example, components such as the backlight unit (30) and a PCB (Printed Circuit Board) on which a plurality of electronic components are located may be combined with the frame (80). The frame (80) may include a metal material such as an aluminum alloy. The frame (80) may be referred to as a main frame or a module cover.

[0044] The back cover (89) can cover the rear of the frame (80). The back cover (89) can be attached to the frame (80) and / or the front cover (15). For example, the back cover (89) may be an injection-molded product made of resin. As another example, the back cover (89) may include a metal material.

[0045] Referring to FIG. 3, a substrate (40), at least one optical assembly (51), and a reflective sheet (60) may be located behind the optical plate (31). An optical sheet (32) may be located in front of the optical plate (31). The optical plate (31) may be referred to as a diffuser plate (31).

[0046] The substrate (40) may be provided in the form of a plurality of straps that extend in the left-right direction and are spaced apart from each other in the up-down direction. At least one optical assembly (51) may be mounted on the substrate (40). An electrode pattern may be formed on the substrate (40) to connect the adapter and the optical assembly (51). For example, the electrode pattern may be a carbon nanotube electrode pattern. The substrate (40) may be composed of at least one of polyethylene terephthalate (PET), glass, polycarbonate (PC), or silicon. The substrate (40) may be a Printed Circuit Board (PCB) on which at least one optical assembly (51) is mounted.

[0047] The light assembly (51) may be a light-emitting diode (LED) chip or a light-emitting diode package including at least one light-emitting diode chip. The light assembly (51) may be composed of a colored LED or a white LED that emits at least one color among colors such as red, green, and blue. The colored LED may include at least one of a red LED, a green LED, or a blue LED.

[0048] A reflective sheet (60) may be positioned in front of a substrate (40). At least one hole (60a) may be formed through the reflective sheet (60), and a light assembly (51) may be positioned in the hole (60a). The reflective sheet (60) may reflect light provided by the light assembly (51) or reflected from the diffuser plate (31) forward. For example, the reflective sheet (60) may include a metal and / or metal oxide having a high reflectivity, such as at least one of aluminum (Al), silver (Ag), gold (Au), or titanium dioxide (TiO2).

[0049] Also, an air gap can be formed between the reflective sheet (60) and the diffuser plate (31). The air gap functions as a buffer, and light provided by the light assembly (51) can be widely spread by the air gap. A supporter (39) can be positioned between the reflective sheet (60) and the diffuser plate (31) and can form the air gap.

[0050] The diffuser plate (31) may be located in front of the reflective sheet (60). The diffuser plate (31) may be located between the reflective sheet (60) and the optical sheet (32).

[0051] The optical sheet (32) may include at least one sheet. For example, the optical sheet (32) may include one or more prism sheets and / or one or more diffusion sheets. Multiple sheets of the optical sheet (32) may be bonded or closely attached to each other.

[0052] Specifically, the optical sheet (32) may be composed of multiple sheets having different functions. For example, the optical sheet (32) may include a first optical sheet (32a), a second optical sheet (32b), and a third optical sheet (32c). For example, the first optical sheet (32a) may be a diffusion sheet, and the second optical sheet (32b) and the third optical sheet (32c) may be prism sheets. The diffusion sheet can prevent the light coming from the diffusion plate (31) from being partially concentrated, thereby making the distribution of light more uniform. The prism sheet can concentrate the light coming from the diffusion plate (31) and provide it to the display panel (10). Meanwhile, the number and / or position of the diffusion sheet and the prism sheet may be changed.

[0053] Referring to FIG. 4, a substrate (40'), at least one optical assembly (51'), a reflective sheet (60'), and an optical plate (33) may be located behind the diffuser plate (31). An optical sheet (32) may be located in front of the diffuser plate (31).

[0054] The substrate (40') may extend in the left-right direction and may be adjacent to the perimeter of the optical plate (33). For example, the substrate (40') may be adjacent to the lower edge of the optical plate (33). At least one optical assembly (51') may be mounted on the substrate (40'). An electrode pattern may be formed on the substrate (40') to connect the adapter and the optical assembly (51'). For example, the electrode pattern may be a carbon nanotube electrode pattern. The substrate (40') may be composed of at least one of polyethylene terephthalate (PET), glass, polycarbonate (PC), or silicon. The substrate (40') may be a Printed Circuit Board (PCB) on which at least one optical assembly (51') is mounted.

[0055] The optical assembly (51') may be a light-emitting diode (LED) chip or a light-emitting diode package including at least one light-emitting diode chip. The optical assembly (51') may be composed of a colored LED or a white LED that emits at least one color among colors such as red, green, and blue. The colored LED may include at least one of a red LED, a green LED, or a blue LED.

[0056] The optical plate (33) may be located behind the optical sheet (32). Most of the light provided by the optical assembly (51') may be transmitted into the interior of the optical plate (33). The optical plate (33) may reflect the light received from the optical assembly (51') forward. The optical plate (33) may be referred to as a light guide plate (33).

[0057] A reflective sheet (60') may be located behind the light guide plate (33). The reflective sheet (60') may reflect light provided by the light assembly (51') or reflected from the light guide plate (33) forward. For example, the reflective sheet (60') may include a metal and / or metal oxide having a high reflectivity, such as at least one of aluminum (Al), silver (Ag), gold (Au), or titanium dioxide (TiO2). Meanwhile, the diffuser plate (31) between the light guide plate (33) and the optical sheet (32) may be omitted.

[0058] Referring to FIGS. 5 and 6, the display device may include a display panel (10), a side frame (20), a backlight unit (30), a frame (80), and a back cover (89).

[0059] A display panel (10) can form the front surface of a display device 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. The display panel (10) may include a front substrate and a rear substrate facing each other with a liquid crystal layer in between. The display panel (10) can be referred to as an LCD panel.

[0060] 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.

[0061] 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 by the backlight unit (30) to the front substrate or block it.

[0062] The side frame (20) may extend along the perimeter of the display panel (10). The side frame (20) may cover the side of the display panel (10). The side frame (20) may be attached to the display panel (10) and may support the display panel (10). The side frame (20) may be referred to as a guide panel (20).

[0063] The backlight unit (30) may be located at the rear of the display panel (10). The backlight unit (30) may be coupled to the frame (80) at the front of the frame (80). The backlight unit (30) may be driven in a full driving mode or in a partial driving mode such as local dimming or impulsive. The backlight unit (30) may include light sources (51) that provide light forward, a substrate (40) on which the light sources (51) are mounted, lenses (53) that cover the light sources (51), a reflective sheet (60) that covers the front of the substrate (40), an optical plate (31) located in front of the reflective sheet (60), and an optical sheet (32) located in front of the optical plate (31).

[0064] The light source (51) may be an LED (Light Emitting Diode) chip or a package containing at least one LED chip. For example, the light source (51) may be a colored LED that emits at least one color among colors such as red, blue, green, etc., or a white LED. For example, the light source (51) may be a mini LED. A power device (not shown) of the display device may provide power to the light source (51) through the substrate (40).

[0065] Each of the plurality of lenses (53) can cover each of the plurality of light sources (51). A receiving portion (not labeled) may be formed on the lower surface of the lens (53) and may surround the light source (51). A dome portion (not labeled) may form the upper surface of the lens (53) and may be approximately hemispherical in shape. The lens (53) may comprise at least one of silicon, polymethyl methacrylate (PMMA), or polycarbonate (PC). Light provided from the light source (51) may be refracted or reflected by the lens (53) and spread out at a wider directional angle than the light source (51).

[0066] The reflective sheet (60) may include at least one of a metal or a metal oxide that is a reflective material. For example, the reflective sheet (60) may include a metal and / or a metal oxide having a high reflectivity, such as at least one of aluminum (Al), silver (Ag), gold (Au), or titanium dioxide (TiO2). For example, a resin may be deposited or applied on the reflective sheet (60) and may diffuse the light of the light source (51).

[0067] The optical plate (31) may face the display panel (10) with respect to the side frame (20). The optical plate (31) may evenly transmit light from the light source (51) to the display panel (10). The optical plate (31) may be referred to as a diffuser plate (31). Alternatively, instead of the optical plate (31), the optical plate (33) described above with reference to FIG. 4 may face the display panel (10) with respect to the side frame (20). In this case, instead of the light source (51), the light source (51') described above with reference to FIG. 4 may provide light to one side of the optical plate (33), and a reflective sheet (60') may be located on the rear side of the optical plate (33). The optical plate (33) may be referred to as a light guide plate (33). Hereinafter, for the sake of brevity, the holders (91, 92, 93), etc. described below will be explained based on the diffuser plate (31). Also, the description of the diffuser plate (31) and the holders (91, 92, 93), etc. can be applied equally to the light guide plate (33) and the holders (91, 92, 93), etc. That is, the holders (91, 92, 93) can hold the flow of the diffuser plate (31) or the light guide plate (33).

[0068] A diffuser plate (31) may be positioned between a reflective sheet (60) and an optical sheet (32). The diffuser plate (31) may diffuse the light of a light source (51). Additionally, an air gap may be formed between the reflective sheet (60) and the diffuser plate (31). The air gap may function as a buffer, and the light of the light source (51) may spread widely through the air gap.

[0069] The supporter (39) may be positioned between the reflective sheet (60) and the diffuser plate (31), with one side connected to the reflective sheet (60) and the other side supporting the diffuser plate (31). The supporter (39) may be referred to as a spacer.

[0070] The optical sheet (32) may be adjacent to or in contact with the front surface of the diffuser plate (31). The optical sheet (32) may include at least one sheet. For example, the optical sheet (32) may include a plurality of sheets having different functions, and the plurality of sheets may be bonded or in close contact with each other. For example, the first optical sheet (32a) may be a diffuser sheet, and the second optical sheet (32b) may be a prism sheet. The diffuser sheet can prevent the light emitted from the diffuser plate (31) from being partially concentrated, thereby making the distribution of light uniform. The prism sheet can concentrate the light emitted from the diffuser sheet and provide it to the display panel (10). At this time, the number and / or position of the diffuser sheet and the prism sheet may be changed.

[0071] For example, the optical sheet (32) can change the wavelength or color of light provided by the light source (51). For example, the optical sheet (32) may include a red-colored phosphor and / or a green-colored phosphor. In this case, the light source (51) may provide blue-colored light, and the optical sheet (32) may change the light of the light source (51) to white. The optical sheet (32) may be referred to as a QD sheet (Quantum Dot Sheet).

[0072] The frame (80) may be located at the rear of the backlight unit (30). The display panel (10), the side frame (20), and the backlight unit (30) may be coupled to the frame (80). The frame (80) may support the components of the display device described above and below. For example, the frame (80) may include a metal material such as an aluminum alloy. The frame (80) may be referred to as a main frame, a module cover, or a cover bottom.

[0073] The back cover (89) can cover the rear of the frame (80) and can be attached to the frame (80). For example, the back cover (89) may be an injection-molded product made of resin. As another example, the back cover (89) may include a metal material.

[0074] Referring to FIG. 7, the frame (80) may have the shape of a square flat plate overall. A plurality of holders (91, 92, 93) may be adjacent to the edge of the frame (80) and may be detachably coupled to the front surface of the frame (80). The plurality of holders (91, 92, 93) may include resin or silicone material.

[0075] An upper holder (91) may be adjacent to the upper side (80U) of the frame (80) and may be detachably coupled to the front of the frame (80). Multiple upper holders (91a, 91b, 91c, 91d, 91e) may be spaced apart from each other along the upper side (80U) of the frame (80). For example, the number of upper holders (91a, 91b, 91c, 91d, 91e) may be five. The first upper holder (91a) may be adjacent to the corner where the upper side (80U) of the frame (80) meets the left side (80L), and the fifth upper holder (91e) may be adjacent to the corner where the upper side (80U) of the frame (80) meets the right side (80R). The second upper holder (91b), the third upper holder (91c), and the fourth upper holder (91d) may be located between the first upper holder (91a) and the fifth upper holder (91e). For example, a plurality of upper holders (91a, 91b, 91c, 91d, 91e) may have the same shape.

[0076] The left holder (92) may be adjacent to the left side (80L) of the frame (80) and may be detachably coupled to the front of the frame (80). Multiple left holders (92a, 92b) may be spaced apart from each other along the left side (80L) of the frame (80). For example, the number of left holders (92a, 92b) may be two. The first left holder (92a) may be adjacent to the corner where the upper side (80U) of the frame (80) and the left side (80L) meet, and the second left holder (92b) may be adjacent to the corner where the lower side (80D) of the frame (80) and the left side (80L) meet. For example, multiple left holders (92a, 92b) may have the same shape.

[0077] The right holder (93) may be adjacent to the right side (80R) of the frame (80) and may be detachably coupled to the front of the frame (80). Multiple right holders (93a, 93b) may be spaced apart from each other along the right side (80R) of the frame (80). For example, the number of right holders (93a, 93b) may be two. The first right holder (93a) may be adjacent to the corner where the upper side (80U) and the right side (80R) of the frame (80) meet, and the second right holder (93b) may be adjacent to the corner where the lower side (80D) and the right side (80R) of the frame (80) meet. For example, multiple right holders (93a, 93b) may have the same shape.

[0078] Also, for example, the left holder (92) and the right holder (93) may be symmetrical to the left and right with respect to a vertical line passing through the center of the frame (80).

[0079] Referring to FIG. 8, the frame (80) may include a press portion (811), an inclined portion (812), an upper support portion (813a), and an upper bending portion (80aa). The press portion (811) may be formed by pressing from the front of the frame (80) toward the rear. The inclined portion (812) may be bent forward at an angle from the upper edge of the press portion (811). The upper support portion (813a) may be bent upward from the inclined portion (812). The upper bending portion (80aa) may be bent forward from the upper support portion (813a). The upper bending portion (80aa) may be referred to as an upper rib or an upper wall.

[0080] The insertion portion (80aag) may be formed by being sunk downward from the upper surface of the upper bending portion (80aa). The upper insertion portion (80aag) may be a groove in the shape of an inverted trapezoid. The shear (80aat) of the insertion portion (80aag) may form a step (ga) with respect to the shear of the upper bending portion (80aa).

[0081] The upper holes (813a1, 813a2) can be formed by penetrating the upper support portion (813a) in the front-rear direction. A portion of the upper holes (813a1, 813a2) can penetrate the upper bending portion (80aa) in the up-down direction. The first upper hole (813a1) may face the second upper hole (813a2) with respect to the insertion portion (80aag). The first upper hole (813a1) and the second upper hole (813a2) may have the same elliptical hole shape. In this case, the head of the upper coupling portion (913a, 913b) made of an elastic material, which will be described later, can pass through the upper holes (813a1, 813a2) having a diameter smaller than that of the head.

[0082] The protrusion (80aad) may protrude forward from the front (80aat) of the insertion part (80aag). The protrusion (80aad) may be located in the center of the insertion part (80aag).

[0083] The upper holder (91) may be located at the front of the frame (80). The upper holder (91) may include an upper body (910), a middle part (911), upper protrusions (912a, 912b), and upper connecting parts (913a, 913b). For example, the upper body (910), the middle part (911), the upper protrusions (912a, 912b), and the upper connecting parts (913a, 913b) may be formed as one body. The upper holder (91) may have elasticity.

[0084] The upper body (910) can be extended in the left-right direction. The upper body (910) can have an overall rectangular shape that is long from left to right.

[0085] The middle part (911) may be formed in the central part of the upper body (910). An insertion groove (911g) may be located between the middle part (911) and the upper body (910) and may be formed along the insertion portion (80aag) (see Ua). The insertion groove (911g) may be aligned with the front end (80aat) of the insertion portion (80aag). A portion located below the central part of the middle part (911) of the upper body (910) may be cut out. In the front-rear direction, the cut-out portion may be aligned with the protrusion (80aad). One end (911a) of the middle part (911) may be adjacent to the left end of the upper body (910) and may protrude upward from the upper surface of the upper body (910). The other end (911b) of the middle part (911) may be adjacent to the right end of the upper body (910) and may protrude upward from the upper surface of the upper body (910).

[0086] A plurality of upper protrusions (912a, 912b) may be formed on the lower surface of the upper body (910). The plurality of upper protrusions (912a, 912b) may be formed at regular intervals and may have a comb shape overall. The first upper protrusions (912a) may face the second upper protrusions (912b) with respect to the cut-out portion.

[0087] The upper connecting portions (913a, 913b) may protrude rearward from the rear of the upper body (910). The first upper connecting portion (913a) may be adjacent to the left end of the upper body (910) and may be aligned with the first upper hole (813a1). The second upper connecting portion (913b) may be adjacent to the right end of the upper body (910) and may be aligned with the second upper hole (813a2). Each of the first upper connecting portion (913a) and the second upper connecting portion (913b) may include a neck protruding from the upper body (910) and a head connected to the neck. The diameter of the head may be larger than the diameter of the neck. The diameter of the upper holes (813a1, 813a2) may be equal to or similar to the diameter of the neck and may be smaller than the diameter of the head. For example, the diameter of the head may be 0.6 to 0.8 mm larger than the diameter of the upper holes (813a1, 813a2). For example, the sum of the lengths of the neck and the head may be 0.3 to 0.4 mm larger than the thickness of the upper support (813a).

[0088] Referring to FIG. 9, the upper holes (813a1, 813a2) can be formed by penetrating the upper support portion (813a) in the front-rear direction. The upper holes (813a1, 813a2) can be positioned away from the upper bending portion (80aa). The first upper hole (813a1) can be positioned opposite the second upper hole (813a2) with respect to the insertion portion (80aag). The first upper hole (813a1) and the second upper hole (813a2) may have the same elliptical hole shape. In this case, the head of the upper coupling portion (913a, 913b) of the aforementioned elastic material can pass through the upper holes (813a1, 813a2) having a diameter smaller than that of the head.

[0089] Referring to FIGS. 10 and 11, the upper body (910) can be seated on the upper support (813a). The middle part (911) can be seated on the insertion part (80aag). The insertion part (80aag) can be inserted into the insertion groove (911g, see FIGS. 8 and 9).

[0090] One end (911a) of the middle part (911) may be located at a step between the upper bending part (80aa) and the insertion part (80aag), and leftward and rearward movement may be restricted by the upper bending part (80aa) and the insertion part (80aag). The other end (911b) of the middle part (911) may be located at a step between the upper bending part (80aa) and the insertion part (80aag), and rightward and rearward movement may be restricted by the upper bending part (80aa) and the insertion part (80aag).

[0091] The upper surface of the upper body (910) can come into contact with the inner surface of the upper bending part (80aa). Also, the portion forming the insertion groove (911g, see FIG. 8 and 9) of the upper body (910) can come into contact with the inner surface of the insertion part (80aag). Accordingly, the upper bending part (80aa) and the insertion part (80aag) can restrict the upward movement of the upper holder (91).

[0092] The upper connecting portions (913a, 913b) can be inserted into and coupled to the upper holes (813a1, 813a2, see FIG. 8 and 9). Specifically, the neck of the upper connecting portions (913a, 913b) can penetrate the upper holes (813a1, 813a2), and the head of the upper connecting portions (913a, 913b) can be caught on the rear surface of the upper support portion (813a). Accordingly, the coupling structure of the upper connecting portions (913a, 913b) and the upper holes (813a1, 813a2) can restrict the left-right and front-back movement of the upper holder (91).

[0093] Meanwhile, the front of the middle part (911) can form a step by lowering from the front of the upper body (910) toward the rear. The protrusion (80aad) can be located between the first upper protrusions (912a) and the second upper protrusions (12b) and can support the lower edge of the upper holder (91).

[0094] Referring to FIG. 12, the frame (80) may include a press portion (811), an inclined portion (812), a right support portion (813d), and a right bending portion (80dd). The press portion (811) may be formed by pressing from the front to the rear of the frame (80). The inclined portion (812) may be bent forward at an angle from the right side of the press portion (811). The right support portion (813d) may be bent to the right from the inclined portion (812). The right bending portion (80dd) may be bent forward from the right support portion (813d). The right bending portion (80dd) may be referred to as a right rib or a right wall.

[0095] The right holes (813d1, 813d2) can be formed by penetrating the right support portion (813d) in the front-rear direction. For example, a portion of the right holes (813d1, 813d2) can penetrate the right bending portion (80dd) in the left-right direction. As another example, the right holes (813d1, 813d2) can be located away from the right bending portion (80dd). The first right hole (813d1) and the second right hole (813d2) can be spaced apart from each other in the up-down direction. The first right hole (813d1) and the second right hole (813d2) can have the same elliptical hole shape. In this case, the head of the elastic material right coupling portion (933a, 933b) described later can pass through the right holes (813d1, 813d2) having a diameter smaller than that of the head.

[0096] The right holder (93) may be located at the front of the frame (80). The right holder (93) may include a right body (930), right protrusions (932), and right connecting parts (933a, 933b). For example, the right body (930), right protrusions (932), and right connecting parts (933a, 933b) may be formed as one body. The right holder (93) may have elasticity.

[0097] The right body (930) can be extended vertically. The right body (930) can have a vertically elongated rectangular shape overall.

[0098] Multiple right protrusions (932) may be formed on the left side of the right body (930). The multiple right protrusions (932) may be formed at regular intervals and may have an overall comb shape.

[0099] The right connecting portions (933a, 933b) may protrude rearward from the rear of the right body (930). The first right connecting portion (933a) may be adjacent to the top of the right body (930) and may be aligned with the first right hole (813d1). The second right connecting portion (933b) may be adjacent to the bottom of the right body (930) and may be aligned with the second right hole (813d2). Each of the first right connecting portion (933a) and the second right connecting portion (933b) may include a neck protruding from the right body (930) and a head connected to the neck. The diameter of the head may be larger than the diameter of the neck. The diameter of the right holes (813d1, 813d2) may be equal to or similar to the diameter of the neck and may be smaller than the diameter of the head. For example, the diameter of the head may be 0.6 to 0.8 mm larger than the diameter of the right hole (813d1, 813d2). For example, the sum of the lengths of the neck and the head may be 0.3 to 0.4 mm larger than the thickness of the right support (813d).

[0100] Referring to FIGS. 13 and 14, the right body (930) can be seated on the right support (813d). The right side of the right body (930) can come into contact with the inner surface of the right bending part (80dd). Accordingly, the right bending part (80dd) can restrict the rightward movement of the right holder (93).

[0101] The right connecting parts (933a, 933b) can be inserted into and connected to the right holes (813d1, 813d2, see FIG. 12). Specifically, the neck of the right connecting parts (933a, 933b) can pass through the right holes (813d1, 813d2), and the head of the right connecting parts (933a, 933b) can be caught on the rear surface of the right support part (813d). Accordingly, the connection structure of the right connecting parts (933a, 933b) and the right holes (813d1, 813d2) can restrict the up-and-down and forward-and-backward movement of the right holder (93).

[0102] The description of the right holder (93) described above can be applied equally to the first right holder (93a) and the second right holder (93b).

[0103] Referring to FIG. 15, the frame (80) may include a press section (811), an inclined section (812), a left support section (813c), and a left bending section (80cc). The press section (811) may be formed by pressing from the front to the rear of the frame (80). The inclined section (812) may be bent forward at an angle from the left side of the press section (811). The left support section (813c) may be bent to the left from the inclined section (812). The left bending section (80cc) may be bent forward from the left support section (813c). The left bending section (80cc) may be referred to as a left rib or a left wall.

[0104] The left holes (813c1, 813c2) can be formed by penetrating the left support portion (813c) in the front-rear direction. For example, a portion of the left holes (813c1, 813c2) can penetrate the left bending portion (80cc) in the left-right direction. As another example, the left holes (813c1, 813c2) can be located away from the left bending portion (80cc). The first left hole (813c1) and the second left hole (813c2) can be spaced apart from each other in the up-down direction. The first left hole (813c1) and the second left hole (813c2) can have the same elliptical hole shape. In this case, the head of the left coupling portion (923a, 923b) made of elastic material described later can pass through the left holes (813c1, 813c2) having a diameter smaller than that of the head.

[0105] The left holder (92) may be located at the front of the frame (80). The left holder (92) may include a left body (920), left protrusions (922), and left connecting parts (923a, 923b). For example, the left body (920), left protrusions (922), and left connecting parts (923a, 923b) may be formed as one body. The left holder (92) may have elasticity.

[0106] The left body (920) can be extended vertically. The left body (920) can have a vertically elongated rectangular shape overall.

[0107] Multiple left protrusions (922) may be formed on the right side of the left body (920). The multiple left protrusions (922) may be formed at regular intervals and may have a comb shape overall.

[0108] The left connecting portions (923a, 923b) may protrude rearward from the rear of the left body (920). The first left connecting portion (923a) may be adjacent to the top of the left body (920) and may be aligned with the first left hole (813c1). The second left connecting portion (923b) may be adjacent to the bottom of the left body (920) and may be aligned with the second left hole (813c2). Each of the first left connecting portion (923a) and the second left connecting portion (923b) may include a neck protruding from the left body (920) and a head connected to the neck. The diameter of the head may be larger than the diameter of the neck. The diameter of the left holes (813c1, 813c2) may be equal to or similar to the diameter of the neck and may be smaller than the diameter of the head. For example, the diameter of the head may be 0.6 to 0.8 mm larger than the diameter of the left hole (813c1, 813c2). For example, the sum of the lengths of the neck and the head may be 0.3 to 0.4 mm larger than the thickness of the left support (813c).

[0109] Meanwhile, the lower support member (813b) may extend laterally between the lower end of the left support member (813c) and the lower end of the right support member (813d). The lower bending member (80bb) may bend backward from the lower support member (813b). The lower bending member (80bb) may be referred to as a lower rib or a lower wall.

[0110] Referring to FIGS. 16 and 17, the left body (920) can be seated on the left support (813c). The left side of the left body (920) can come into contact with the inner surface of the left bending part (80cc). Accordingly, the left bending part (80cc) can restrict the leftward movement of the left holder (92).

[0111] The left connecting parts (923a, 923b) can be inserted into and connected to the left holes (813c1, 813c2, see FIG. 15). Specifically, the neck of the left connecting parts (923a, 923b) can pass through the left holes (813c1, 813c2), and the head of the left connecting parts (923a, 923b) can be caught on the rear surface of the left support part (813c). Accordingly, the connection structure of the left connecting parts (923a, 923b) and the left holes (813c1, 813c2) can restrict the up-and-down and forward-and-backward movement of the left holder (92).

[0112] The description of the left holder (92) described above can be applied equally to the first left holder (92a) and the second left holder (92b).

[0113] Referring to FIG. 18, the frame (80) may include a flat plate (81). The flat plate (81) may form the front surface of the frame (80). A heat sink (83) may cover the front surface of the flat plate (81) and may be coupled to the flat plate (81). The front surface of the heat sink (83) may be flat.

[0114] The side portion (70) may be positioned at the edge of the heat sink (83). The side portion (70) may include at least one of a metal or a metal oxide that is a reflective material. For example, the side portion (70) may include a metal and / or a metal oxide having a high reflectivity, such as at least one of aluminum (Al), silver (Ag), gold (Au), or titanium dioxide (TiO2). For example, a resin may be deposited or applied on the side portion (70).

[0115] Also, the side portion (70) may include a first side portion (71), a second side portion (72), a third side portion (73), and a fourth side portion (74). The side portion (70) may be referred to as a chamfer portion.

[0116] Referring to FIG. 19, the substrate (40) can cover the front of the heat sink (83) and can be coupled to the heat sink (83). For example, the substrate (40) may include at least one of polycarbonate (PC), polyethylene terephthalate (PET), glass, or silicon. The substrate (40) may be a Printed Circuit Board (PCB).

[0117] For example, the substrate (40) may have a rectangular plate shape. As another example, the substrate (40) may have a strap shape that is long from left to right (see FIG. 3). As yet another example, the substrate (40) may have a first plate that is long from top to bottom and a plurality of second plates that extend long from the first plate from left to right, and may have a fork shape overall.

[0118] The substrate (40) may be provided as at least one. The substrate (40) may include a plurality of adjacent substrates (41, 42, 43, 44, 45, 46, 47, 48, 49). Each of the first substrate (41), second substrate (42), third substrate (43), fourth substrate (44), fifth substrate (45), sixth substrate (46), seventh substrate (47), eighth substrate (48), and ninth substrate (49) may be coupled to each of the first region (83A1), second region (83A2), third region (83A3), fourth region (83A4), fifth region (83A5), sixth region (83A6), seventh region (83A7), eighth region (83A8), and ninth region (83A9) of the heat sink (83).

[0119] Each of the plurality of lenses (53) can cover each of the plurality of light sources (51) mounted on the substrate (40). The power device (not shown) of the display device can supply power to the light sources (51) through connectors (not shown) mounted on the rear of the substrate (40).

[0120] The reflective sheet (60) can cover the front of the substrate (40) and can be coupled to the substrate (40). Lenses (53) can be positioned in the holes (60a) of the reflective sheet (60). For example, the reflective sheet (60) can have a rectangular plate shape.

[0121] The reflective sheet (60) may be provided as at least one. The reflective sheet (60) may include a plurality of adjacent reflective sheets (61, 62, 63, 64, 65, 66, 67, 68, 69). Each of the first reflective sheet (61), the second reflective sheet (62), the third reflective sheet (63), the fourth reflective sheet (64), the fifth reflective sheet (65), the sixth reflective sheet (66), the seventh reflective sheet (67), the eighth reflective sheet (68), and the ninth reflective sheet (69) may be coupled to each of the first substrate (41), the second substrate (42), the third substrate (43), the fourth substrate (44), the fifth substrate (45), the sixth substrate (46), the seventh substrate (47), the eighth substrate (48), and the ninth substrate (49).

[0122] Referring to FIGS. 20 and 21, the upper edge of the diffuser plate (31) may be adjacent to or in contact with the lower side of the upper protrusions (912a, 912b) of the upper holder (91). The right edge of the diffuser plate (31) may be adjacent to or in contact with the left side of the right protrusions (932, see FIG. 14) of the right holder (93). The left edge of the diffuser plate (31) may be adjacent to or in contact with the right side of the left protrusions (922, see FIG. 17) of the left holder (92). The lower edge of the diffuser plate (31) may be adjacent to or seated on the support member (80e). A plurality of support members (80e) may protrude forward from the lower support member (813b, see FIG. 15) and may be spaced apart from each other in the left and right directions.

[0123] Accordingly, the diffuser plate (31) may be positioned between the upper holder (91), the right holder (93), the left holder (92), and the support member (80e). Additionally, an upper gap (not labeled) may be formed between the upper edge of the diffuser plate (31) and the upper bending member (80aa), a right gap (not labeled) may be formed between the right edge of the diffuser plate (31) and the right bending member (80dd), and a left gap (not labeled) may be formed between the left edge of the diffuser plate (31) and the left bending member (80cc, see FIG. 17).

[0124] At this time, the diffuser plate (31) may be deformed. For example, when the display device is operated, the temperature of the diffuser plate (31) may rise, and deformation of the diffuser plate (31) may occur. The upper gap, the right gap, and the left gap may be gaps that account for the thermal expansion or contraction of the diffuser plate (31). The protrusions (912a, 912b, 932, 922) may be laid down when pushed by the diffuser plate (31), and may gradually be restored to their original state when the force applied to the protrusions (912a, 912b, 932, 922) by the diffuser plate (31) weakens. That is, the protrusions (912a, 912b, 932, 922) can hold the flow of the diffuser plate (31). Additionally, the holders (91, 92, 93) can prevent light from leaking from the diffuser plate (31) toward the edge of the frame (80).

[0125] Meanwhile, the diffuser plate (31) may be spaced forward from the reflective sheet (60, see FIG. 6). A supporter (39, see FIG. 6) may support the diffuser plate (31) between the diffuser plate (31) and the reflective sheet (60).

[0126] The optical sheets (32a, 32b) may be positioned in front of the diffuser plate (31). The optical sheets (32a, 32b) may be attached to the front surface of the diffuser plate (31). The sheet attachment portion (32d) of the optical sheets (32a, 32b) may be caught on the protrusion (80aad).

[0127] Referring to FIGS. 8 and 22, the upper catch hole (80aah) may be formed by penetrating the upper banding portion (80aa) in the vertical direction. For example, a portion of the upper catch hole (80aah) may penetrate the upper support portion (813a) in the horizontal direction. As another example, the upper catch hole (80aah) may be located away from the upper support portion (813a). The upper catch hole (80aah) may be formed to be elongated horizontally.

[0128] For example, the upper catch hole (80aah) may be located at two points (tp1) of the upper banding portion (80aa). The upper catch hole (80aah) located at either of the two points (tp1) may be adjacent to the second upper holder (91b, see FIG. 7). The upper catch hole (80aah) located at the other of the second points (tp2) may be adjacent to the fourth upper holder (91d, see FIG. 7).

[0129] Referring to FIGS. 13 and 22, the right locking hole (80ddh) can be formed by penetrating the right bending portion (80dd) in the left-right direction. For example, a part of the right locking hole (80ddh) can penetrate the right support portion (813d) in the front-rear direction. As another example, the right locking hole (80ddh) can be located outside the right support portion (813d). The right locking hole (80ddh) can be formed vertically.

[0130] For example, the right catch hole (80ddh) may be located at one point (tp2) of the right banding part (80dd). The right catch hole (80ddh) located at the above point (tp2) may be adjacent to the first right holder (93a).

[0131] The left locking hole (not shown) may be symmetrical to the right locking hole (80ddh) with respect to a vertical line passing through the center of the frame (80). That is, the left locking hole may be formed by penetrating the left bending portion (80cc, see FIG. 16) in the left-right direction. For example, the left locking hole may be located at one point (tp3) and may be adjacent to the first left holder (92a, see FIG. 7).

[0132] Referring to FIGS. 21 and 22, the lower locking projection (80f) may protrude downward from the lower bending portion (80bb). For example, the lower locking projection (80f) may be formed by being pressed downward from the upper surface of the lower bending portion (80bb). A plurality of lower locking projections (80f) may be spaced apart from each other along the lower bending portion (80bb) (see tp4).

[0133] Referring again to FIG. 22, the guide panel (20) may include a first part (21), a second part (22), a third part (23), and a fourth part (24). The guide panel (20) may be referred to as a side frame.

[0134] The first part (21) can be extended horizontally. The third part (23) can be bent downward from the left end of the first part (21) and can be extended vertically. The second part (22) can be bent to the right from the bottom of the third part (23) and can be extended horizontally. The fourth part (24) can be bent upward from the right end of the second part (22) and can be extended vertically. The top of the fourth part (24) can be connected to the right end of the first part (21). The guide panel (20) can be detachably connected to the frame (80) at a plurality of points (tp1, tp2, tp3, tp4).

[0135] Referring to FIG. 23, an upper locking projection (21Va) may be formed on the inner surface of the first vertical portion (21V) of the first part (21). The upper locking projection (21Va) may engage with the upper locking hole (80aah). For example, the coupling structure of the upper locking projection (21Va) and the upper locking hole (80aah) may be implemented at multiple points (tp1, see FIG. 22). Accordingly, the upper locking projection (21Va) and the upper locking hole (80aah) may guide the coupling of the first part (21) and the frame (80), and the first part (21) may be detachably coupled to the frame (80).

[0136] Referring to FIG. 24, the right locking projection (24Va) may be formed on the inner surface of the fourth vertical portion (24V) of the fourth part (24). The right locking projection (24Va) may engage with the right locking hole (80ddh). For example, the coupling structure of the right locking projection (24Va) and the right locking hole (80ddh) may be implemented at at least one point (tp2). Accordingly, the right locking projection (24Va) and the right locking hole (80ddh) can guide the coupling of the fourth part (24) and the frame (80), and the fourth part (24) can be detachably coupled to the frame (80).

[0137] The left locking projection (not shown) may be symmetrical to the right locking projection (24Va) with respect to a vertical line passing through the center of the frame (80). That is, the left locking projection may be formed on the inner surface of the third vertical part of the third part (23). The left locking projection may be detachably coupled to the left locking hole. The left locking projection and the left locking hole may guide the coupling of the third part (23) and the frame (80), and the third part (23) may be detachably coupled to the frame (80).

[0138] Referring to FIG. 25, the lower catch hole (22Vh) can be formed by penetrating the vertical portion (22V) of the second part (22) in the vertical direction. The lower catch projection (80f) can be caught in the lower catch hole (22Vh). For example, the coupling structure of the lower catch projection (80f) and the lower catch hole (22Vh) can be implemented at multiple points (tp4, see FIG. 22). Accordingly, the lower catch projection (80f) and the lower catch hole (22Vh) can guide the coupling of the second part (22) and the frame (80), and the second part (22) can be detachably coupled to the frame (80).

[0139] Referring to FIG. 26, the first part (21) may extend along the upper edge of the display panel (10) and may cover the upper side of the display panel (10) and the frame (80). The first part (21) may include a first vertical portion (21V) and a first horizontal portion (21H).

[0140] The first groove (21g) can be formed from the rear of the first vertical section (21V) toward the inside of the first vertical section (21V), and the upper bending section (80aa) of the frame (80) can be inserted.

[0141] The first front pad (FP1) can be positioned between the display panel (10) and the first horizontal section (21H) and can be coupled to the front of the first horizontal section (21H). The first rear pad (RP1) can be positioned between the first horizontal section (21H) and the optical sheet (32) and can be coupled to the rear of the first horizontal section (21H).

[0142] The first side portion (71) may extend along the upper edge of the heat sink (83) and may be positioned at an angle toward the display panel (10). The first side portion (71) may include a first mounting portion (711) and a first locking portion (712).

[0143] The first seating portion (711) can be bent upward from the front of the first side portion (71) and can be positioned between the first horizontal portion (21H) and the upper support portion (813a). A part of the diffusion plate (31) can be positioned between the first horizontal portion (21H) and the first seating portion (711) and can press the first seating portion (711) toward the upper support portion (813a).

[0144] The first locking part (712) can be bent downward from the rear end of the first side part (71) and can be located between the heat sink (83) and the press part (811). The first locking part (712) can be hooked onto the rear surface of the heat sink (83).

[0145] Referring to FIG. 27, the second part (22) of the side frame (20) may extend along the lower edge of the frame (80) and may cover the lower side of the frame (80). The second part (22) may be located between the lower edge of the frame (80) and the under cover (29). The second part (22) may include a second vertical section (22V) and a second horizontal section (22H).

[0146] The lower bending portion (80bb) of the frame (80) can be located on the second vertical portion (22V).

[0147] The second front pad (FP2) can be positioned between the display panel (10) and the second horizontal section (22H) and can be coupled to the front of the second horizontal section (22H). The second rear pad (RP2) can be positioned between the second horizontal section (22H) and the optical sheet (32) and can be coupled to the rear of the second horizontal section (22H).

[0148] The second side portion (72) may extend along the lower edge of the heat sink (83) and may be positioned at an angle toward the display panel (10). The second side portion (72) may include a second mounting portion (721) and a second locking portion (722).

[0149] The second mounting portion (721) can be bent downward from the front of the second side portion (72) and can be positioned between the second horizontal portion (22H) and the lower support portion (813b). A portion of the diffusion plate (31) can be positioned between the second horizontal portion (22H) and the second mounting portion (721) and can press the second mounting portion (721) toward the lower support portion (813b).

[0150] The second locking part (722) can be bent upward from the rear end of the second side part (72) and can be located between the heat sink (83) and the press part (811). The second locking part (722) can be hooked onto the rear surface of the heat sink (83).

[0151] Referring to FIG. 28, the third part (23) of the side frame (20) may extend along the left side of the display panel (10) and may cover the left side of the display panel (10) and the frame (80). The third part (23) may include a third vertical part (23V) and a third horizontal part (23H).

[0152] The third groove (23g) can be formed from the rear of the third vertical section (23V) toward the inside of the third vertical section (23V), and the left bending section (80cc) of the frame (80) can be inserted.

[0153] The third front pad (FP3) can be positioned between the display panel (10) and the third horizontal section (23H) and can be coupled to the front of the third horizontal section (23H). The third rear pad (RP3) can be positioned between the display panel (10) and the optical sheet (32) and can be coupled to the rear of the third horizontal section (23H).

[0154] The third side portion (73) may extend along the left side of the heat sink (83) and may be positioned at an angle toward the display panel (10). The third side portion (73) may include a third seating portion (731) and a third locking portion (732).

[0155] The third seating portion (731) can be bent to the left at the front of the third side portion (73) and can be positioned between the third horizontal portion (23H) and the left support portion (813c). A portion of the diffusion plate (31) can be positioned between the third horizontal portion (23H) and the third seating portion (731) and can press the third seating portion (731) toward the left support portion (813c).

[0156] The third locking part (732) can be bent to the right at the rear end of the third side part (73) and can be located between the heat sink (83) and the press part (811). The third locking part (732) can be hooked onto the rear surface of the heat sink (83).

[0157] Referring to FIG. 29, the fourth part (24) of the side frame (20) may extend along the right side of the display panel (10) and may cover the right side of the display panel (10) and the frame (80). The fourth part (24) may include a fourth vertical part (24V) and a fourth horizontal part (24H).

[0158] The fourth groove (24g) can be formed from the rear of the fourth vertical section (24V) toward the inside of the fourth vertical section (24V), and the right bending section (80dd) of the frame (80) can be inserted.

[0159] The fourth front pad (FP4) can be positioned between the display panel (10) and the fourth horizontal section (24H) and can be coupled to the front of the fourth horizontal section (24H). The fourth rear pad (RP4) can be positioned between the display panel (10) and the optical sheet (32) and can be coupled to the rear of the fourth horizontal section (24H).

[0160] The fourth side portion (74) may extend along the right side of the heat sink (83) and may be positioned at an angle toward the display panel (10). The fourth side portion (74) may include a fourth mounting portion (741) and a fourth locking portion (742).

[0161] The fourth mounting portion (741) can be bent to the right from the front of the fourth side portion (74) and can be positioned between the fourth horizontal portion (24H) and the right support portion (813d). A portion of the diffusion plate (31) can be positioned between the fourth horizontal portion (24H) and the fourth mounting portion (741) and can press the fourth mounting portion (741) toward the right support portion (813d).

[0162] The fourth locking part (742) can be bent to the left at the rear end of the fourth side part (74) and can be positioned between the heat sink (83) and the press part (811). The fourth locking part (742) can be hooked onto the rear surface of the heat sink (83).

[0163] Referring to FIGS. 1 to 29, a display device according to one aspect of the present disclosure may include: a display panel; a frame located behind the display panel; a light source providing light to the display panel; an optical plate located between the display panel and the light source; a frame facing the display panel with respect to the optical plate and on which the optical plate is seated; and a holder adjacent to one side of the optical plate and coupled to the frame, wherein the holder may include: a plurality of protrusions formed on one surface of the holder facing the one side of the optical plate; and a coupling portion protruding from the holder toward the frame, penetrating the frame, and engaging with the rear surface of the frame.

[0164] One side of the above frame may face the one side of the above optical plate, and a gap may be formed between the one side of the above frame and the one side of the above optical plate.

[0165] The above frame may include: an elliptical hole formed by penetrating the frame in the front-rear direction, and the coupling part may include a neck that protrudes rearward from the holder and penetrates the hole; and a head made of an elastic material that is connected to the neck and has a diameter larger than the diameter of the hole.

[0166] The holder may be extended along one side of the frame, and the coupling portion may include a pair of coupling portions spaced apart from each other in the longitudinal direction of the holder, and the hole may include a pair of holes, each of which is aligned with each of the pair of coupling portions.

[0167] The above frame may include: a flat portion facing the optical plate; an inclined portion that is bent forward at an angle from the edge of the flat portion; and a support portion that is bent in a direction parallel to the optical plate from the inclined portion and on which the optical plate is seated, and the coupling portion of the holder may penetrate the support portion and be caught on the rear surface of the support portion.

[0168] The above frame may further include a bending portion that bends forward from the support portion, and the other surface facing the one surface of the holder may contact the inner surface of the bending portion.

[0169] The holder may further include: a plurality of upper holders adjacent to the upper edge of the optical plate and spaced apart from each other along the upper edge; a plurality of right holders adjacent to the right edge of the optical plate and spaced apart from each other along the right edge; and a plurality of left holders adjacent to the left edge of the optical plate and spaced apart from each other along the left edge.

[0170] The above frame may further include a plurality of support members that protrude forward from the lower edge of the frame, are adjacent to the lower edge of the optical plate, and are spaced apart from each other along the lower edge.

[0171] The above frame may further include an insertion portion formed by being recessed downward from the upper edge of the frame and forming a step with respect to the front edge of the upper edge of the frame, and each of the plurality of upper holders may further include: an upper body that extends long along the upper edge of the optical plate and in which the plurality of protrusions and the coupling portion are formed; a middle part formed in the center of the upper body; and an insertion groove located between the upper body and the middle part and formed along the insertion portion, and the middle part may be seated on the insertion portion when the insertion portion is inserted into the insertion groove.

[0172] One end of the middle part may be adjacent to one end of the upper body, may protrude upward from the upper surface of the upper body, and may be located at the step between the upper edge of the frame and the insertion part, and the other end of the middle part may be adjacent to the other end of the upper body, may protrude upward from the upper surface of the upper body, and may be located at the step between the upper edge of the frame and the insertion part.

[0173] The display device may further include: an optical sheet located in front of the optical plate; the optical sheet having a sheet coupling portion protruding upward from the upper edge of the optical sheet; and the frame may further include a protrusion that protrudes forward from the front end of the insertion portion, is located on the lower side of the middle part, and is coupled to the sheet coupling portion.

[0174] The display device may further include a guide panel covering the edge of the frame, and the frame may further include a locking hole formed penetrating one side of the frame, and the guide panel may include a locking projection formed on the inner surface of the guide panel and detachably engaged with the locking hole, and the holder may contact the inner surface of the portion forming the one side of the frame.

[0175] The display device may further include a guide panel extending along the edge of the frame, and the frame may further include a locking projection protruding outward from one side of the frame, and the guide panel may include a locking hole formed through the guide panel and detachably engaging the locking projection, and the holder may contact the inner surface of the portion forming the one side of the frame.

[0176] The display device may further include a guide panel that extends along the edge of the display panel and is coupled to the display panel and the frame between the display panel and the frame, and the frame may include a bending portion that forms the end of the frame and is inserted into the inner side of the guide panel, and the holder may contact the inner surface of the bending portion.

[0177] The above optical plate may be a diffuser plate or a light guide plate.

[0178] 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.

[0179] 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.

[0180] 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

Claim 1 A display device comprising: a display panel; a frame located at the rear of the display panel; an optical plate located between the display panel and the frame; an optical sheet located between the display panel and the optical plate; a light source providing light to the optical plate; and a holder adjacent to one side of the optical plate and coupled to the frame, wherein the holder comprises: a projection formed on one side of the holder facing the one side of the optical plate; and the optical sheet comprises: a cover portion forming a first portion of the optical sheet; a cover portion covering the front surface of the optical plate; and a sheet coupling portion forming a second portion of the optical sheet; a sheet coupling portion protruding from one side of the cover portion and covering the front surface of the holder; and the frame comprises: a projection protruding from the frame into the space between the one side of the holder and the one side of the optical plate and penetrating the sheet coupling portion, wherein the projection is located closer to the one side of the optical plate than the projection. Claim 2 A display device according to claim 1, wherein a portion of the frame faces one side of the optical plate, and a gap is formed between the portion of the frame and the one side of the optical plate. Claim 3 A display device according to claim 1, wherein the holder further comprises: a coupling portion protruding toward the frame from the holder and coupled to the frame, and the frame comprises: an elliptical hole formed by penetrating the frame in a front-rear direction, and the coupling portion comprises: a neck protruding backward from the holder and penetrating the hole; and a head made of an elastic material connected to the neck and having a diameter larger than the diameter of the hole. Claim 4 A display device according to claim 3, wherein the holder extends along one side of the optical plate, the coupling portion comprises a pair of coupling portions spaced apart from each other in the longitudinal direction of the holder, and the hole comprises a pair of holes each aligned with each of the pair of coupling portions. Claim 5 A display device according to claim 1, wherein the frame comprises: a flat portion facing the optical plate; an inclined portion that is bent forward at an angle from the edge of the flat portion; and a support portion that is bent in a direction parallel to the optical plate at the inclined portion and on which the optical plate is located, and the holder further comprises: a coupling portion that protrudes from the holder, penetrates the support portion, and engages with the rear surface of the support portion. Claim 6 In claim 5, the frame further comprises a bending portion that bends forward from the support portion, and the other side of the holder opposite to the one side of the holder contacts the inner surface of the bending portion, a display device. Claim 7 A display device according to claim 1, wherein the holder further comprises: a plurality of upper holders adjacent to the upper edge of the optical plate and spaced apart from each other along the upper edge; a plurality of right holders adjacent to the right edge of the optical plate and spaced apart from each other along the right edge; and a plurality of left holders adjacent to the left edge of the optical plate and spaced apart from each other along the left edge. Claim 8 A display device according to claim 7, wherein the frame further comprises a plurality of support members that protrude forward from the lower edge of the frame, are adjacent to the lower edge of the optical plate, and are spaced apart from each other along the lower edge. Claim 9 In claim 7, the frame further comprises: an insertion portion formed by being recessed downward from the upper edge of the frame and forming a step with respect to the front edge of the upper edge of the frame, and each of the plurality of upper holders further comprises: an upper body that extends long along the upper edge of the optical plate and on which the protrusion is formed; a middle part formed in the center of the upper body; and an insertion groove located between the upper body and the middle part and formed along the insertion portion, and the middle part is a display device located on the insertion portion when the insertion portion is inserted into the insertion groove. Claim 10 A display device according to claim 9, wherein one end of the middle part is adjacent to one end of the upper body and protrudes upward from the upper surface of the upper body and is located at the step between the upper edge of the frame and the insertion part, and the other end of the middle part is adjacent to the other end of the upper body and protrudes upward from the upper surface of the upper body and is located at the step between the upper edge of the frame and the insertion part. Claim 11 In claim 9, the sheet coupling portion of the optical sheet protrudes upward from the upper edge of the cover portion of the optical sheet, and the protrusion of the frame protrudes forward from the front end of the insertion portion and is located on the lower side of the middle part and is coupled to the sheet coupling portion. Claim 12 A display device according to claim 1, further comprising a guide panel covering the edge of the frame, wherein the frame further comprises a catch hole formed penetrating one side of the frame, and the guide panel comprises a catch projection formed on the inner surface of the guide panel and detachably engaged with the catch hole, and the holder contacts the inner surface of the portion forming the one side of the frame. Claim 13 A display device according to claim 1, further comprising a guide panel extending along the edge of the frame, wherein the frame further comprises a locking projection protruding outwardly from one side of the frame, and the guide panel comprises a locking hole formed through the guide panel and detachably engaging the locking projection, and the holder contacts the inner surface of the portion forming the one side of the frame. Claim 14 The display device according to claim 1 further comprises a guide panel extending along the edge of the display panel and coupled to the display panel and the frame between the display panel and the frame, wherein the frame comprises a bending portion forming the end of the frame and inserted into the inner side of the guide panel, and the holder contacts the inner surface of the bending portion. Claim 15 In claim 1, the projection of the holder comprises: a first projection; and a second projection spaced apart from the first projection, and the projection of the frame is a display device located between the first projection and the second projection.

Images