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 substrate located between the display panel and the frame; light sources located on the substrate and providing light to the display panel; a diffuser located between the display panel and the light sources; and a supporter supporting the rear surface of the diffuser. The frame may include: a first hole and a second hole spaced apart from each other and facing the space between the diffuser and the substrate. The supporter may include: a first hook and a second hook spaced apart from each other by a distance longer than the distance between the first and second holes and engaging with the rear surface of the frame; a first rib and a second rib spaced apart from each other by a distance shorter than the distance between the first and second holes and located on the front surface of the frame; a body spaced forward from the frame, connecting the first and second hooks and the first and second ribs, and having elasticity; and a head protruding from the body toward the diffuser.

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] As the image quality provided by display devices has recently advanced to high definition, much research is being conducted on backlight units that provide high-intensity light to display panels. In addition, research on the structure of supports that hold diffuser plates is also actively underway. The problem to be solved

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

[0006] Another objective may be to provide a display device capable of improving the degradation of the backlight unit's light performance.

[0007] Another objective may be to provide a display device capable of maintaining a certain level of distance between the diffuser plate and the light source.

[0008] Another purpose may be to provide a support for a diffuser plate that is detachably coupled to the frame in a narrow gap between light sources.

[0009] Another purpose may be to provide a support for a diffuser plate that is fastened to a frame using elastic force.

[0010] Another objective may be to provide a supporter that effectively supports the diffuser plate according to its degree of sagging while minimizing damage to the diffuser plate. means of solving the problem

[0011] 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 at the rear of the display panel; a substrate located between the display panel and the frame; light sources located on the substrate and providing light to the display panel; a diffuser located between the display panel and the light sources; and a supporter supporting the rear surface of the diffuser. The frame may include: a first hole and a second hole spaced apart from each other and facing the space between the diffuser and the substrate. The supporter may include: a first hook and a second hook spaced apart from each other by a distance longer than the distance between the first and second holes and engaging with the rear surface of the frame; a first rib and a second rib spaced apart from each other by a distance shorter than the distance between the first and second holes and located on the front surface of the frame; and a body spaced forward from the frame, connecting the first and second hooks and the first and second ribs, and having elasticity. And, it may include a head protruding from the body toward the diffuser plate. Effects of the invention

[0012] The effects of the display device according to the present disclosure are described as follows.

[0013] According to at least one of the embodiments of the present disclosure, a display device capable of improving the degradation of the light performance of a backlight unit can be provided.

[0014] According to at least one of the embodiments of the present disclosure, a display device capable of maintaining a distance between a diffuser plate and a light source at a constant level can be provided.

[0015] According to at least one of the embodiments of the present disclosure, a supporter for a diffuser plate that is detachably coupled to a frame in a narrow gap between light sources can be provided.

[0016] According to at least one of the embodiments of the present disclosure, a supporter for a diffusion plate that is fastened to a frame using elastic force can be provided.

[0017] According to at least one of the embodiments of the present disclosure, a supporter can be provided that effectively supports the diffusion plate according to the degree of sagging while minimizing damage to the diffusion plate.

[0018] 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

[0019] FIGS. 1 to 19 are drawings illustrating examples of display devices according to embodiments of the present disclosure. Specific details for implementing the invention

[0020] Hereinafter, embodiments disclosed in this specification will be described in detail with reference to the attached drawings, provided that identical or similar components are given the same reference number regardless of drawing symbols, and redundant descriptions thereof are omitted.

[0021] 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.

[0022] 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.

[0023] 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.

[0024] 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.

[0025] A singular expression includes a plural expression unless the context clearly indicates otherwise.

[0026] 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.

[0027] 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.

[0028] Referring to FIG. 1, the display device (1) may include a display panel (10). The display panel (10) may display an image.

[0029] The display device (1) may include a first long side (LS1), a second long side (LS2) opposite to 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) opposite to the first short side (SS1). Meanwhile, for convenience of explanation, the lengths of the first and second long sides (LS1, LS2) are depicted 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).

[0030] The direction parallel to the long sides (LS1, LS2) of the display device (1) can be called the left-right direction or the first direction (DR1). The first short side (SS1) can be called the left side (Le, x), and the second short side (SS2) can be called the right side (Ri).

[0031] The direction parallel to the short sides (SS1, SS2, short sides) of the display device (1) can be referred to as the up-down direction or the second direction (DR2). The first long side (LS1) can be referred to as the up (U, y), and the second long side (LS2) can be referred to as the down (D).

[0032] 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). The direction in which the display panel (10) displays an image may be referred to as the front (F, z), and the opposite direction may be referred to as the rear (R).

[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 the edges of the display device (1). Additionally, the points 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 corners. The point where the first short side (SS1) meets the first long side (LS1) can be referred to as the first corner (C1). The point where the first long side (LS1) meets the second short side (SS2) can be referred to as the second corner (C2). The point where the second short side (SS2) meets the second long side (LS2) can be referred to as 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).

[0034] Referring to FIGS. 1 and 2, the display device (1) may include a display panel (10), a side frame (20), a backlight unit, a frame (80), and a back cover (90).

[0035] 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 that are opposite each other with a liquid crystal layer in between. The display panel (10) can be referred to as an LCD panel (10).

[0036] 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.

[0037] 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 to the front substrate or block it.

[0038] The side frame (20) may extend along the edge of the display panel (10). The side frame (20) may cover the edge of the display panel (10). For example, the side frame (20) may include a plastic or metal material. The side frame (20) may be referred to as a guide panel (20).

[0039] The backlight unit may be located at the rear of the display panel (10). The backlight unit may be located at the front of the frame (80) and may be coupled to the frame (80). The backlight unit may be driven in a full driving mode or in a partial driving mode such as local dimming or impulsive. The backlight unit may include light sources that provide light forward, a substrate (40) on which the light sources are mounted, lenses (53) covering the light sources, a reflective sheet (60) covering the front surface of the substrate (40), and an optical part (30) located in front of the reflective sheet (60). Meanwhile, a reflective material may also be coated on the front surface of the substrate (40).

[0040] The optical unit (30) may be opposite to the display panel (10) with respect to the side frame (20). The optical unit (30) may evenly transmit light from the light source to the display panel (10). The optical unit (30) may include a diffuser plate (31) and an optical sheet (32).

[0041] 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 the light source. 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 may spread widely through the air gap. A supporter (39) may be positioned between the reflective sheet (60) and the diffuser plate (31), may be coupled to the reflective sheet (60), and may support the diffuser plate (31).

[0042] 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.

[0043] The frame (80) may be located at the rear of the backlight unit. The display panel (10), the side frame (20), and the backlight unit 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 (80), a module cover (80, module cover), or a cover bottom (80, cover bottom).

[0044] The back cover (90) can cover the rear of the frame (80) and can be attached to the frame (80). For example, the back cover (90) may be an injection-molded product made of resin. As another example, the back cover (90) may include a metal material.

[0045] Referring to FIG. 3, the flat plate (81) can define the front surface of the frame (80). A plurality of frame holes (81a, 81b, 81c, 81d, 81e, 81f, 81g, 81h, 81i) can be formed in the flat plate (81).

[0046] Referring to FIGS. 3 and 4, the heat sink (83) can cover the front surface of the flat plate (81) and can be coupled to the flat plate (81). A plurality of heat sink holes (83a, 83b, 83c, 83d, 83e, 83f, 83g, 83h, 83i) can be formed in the heat sink (83) and can be aligned with a plurality of frame holes (81a, 81b, 81c, 81d, 81e, 81f, 81g, 81h, 81i). The heat sink (83) may be omitted.

[0047] Referring to FIGS. 5 and 6, the substrate (41) may be attached to the front surface of the frame (80) or heat sink (83). The substrate (41) may be a Printed Circuit Board (PCB). For example, the substrate (41) may include at least one of polyethylene terephthalate (PET), glass, polycarbonate (PC), or silicon. The substrate (41) may be composed of a plurality of bars spaced apart from each other. The substrate (41) may be referred to as the substrate (40).

[0048] A light source (51) may be mounted on the front surface of the substrate (41). Multiple light sources (51) may be arranged along each bar of the substrate (41). The light source (51) may be an LED (Light Emitting Diode) chip or an LED package. The light source (51) may be composed of a colored LED that emits at least one color among colors such as red, green, blue, etc., or a white LED. The light source (51) may be a mini LED. An electrode pattern may be formed on the substrate (41) and may connect an adapter (connector) to the light source (51). A power supply board may provide power to the light source (51) through the substrate (41). For example, the electrode pattern may be a carbon nanotube electrode pattern.

[0049] Referring to FIGS. 7 and 8, the substrate (42) may be attached to the front surface of the frame (80) or heat sink (83). The substrate (42) may be a Printed Circuit Board (PCB). For example, the substrate (42) may include at least one of polyethylene terephthalate (PET), glass, polycarbonate (PC), or silicon. The substrate (42) may have a plate shape. The substrate (42) may be referred to as the substrate (40).

[0050] The substrate (42) may be provided as at least one. Each of the plurality of substrates (42a, 42b, 42c, 42d, 42e, 42f, 42g, 42h, 42i) may cover each of the plurality of regions (83A1, 83A2, 83A3, 83A4, 83A5, 83A6, 83A7, 83A8, 83A9) of the heat sink (83).

[0051] A light source (51) may be mounted on the front surface of the substrate (42). Multiple light sources (51) may be arranged in a matrix form on the front surface of the substrate (42). The light source (51) may be an LED (Light Emitting Diode) chip or an LED package. The light source (51) may be composed of a colored LED that emits at least one color among colors such as red, green, blue, etc., or a white LED. The light source (51) may be a mini LED. An electrode pattern may be formed on the substrate (42) and may connect an adapter (connector) to the light source (51). A power supply board may provide power to the light source (51) through the substrate (42). For example, the electrode pattern may be a carbon nanotube electrode pattern.

[0052] Referring to FIGS. 9 and 10, the substrate (43) may be attached to the front surface of the frame (80) or heat sink (83). The substrate (43) may be a Printed Circuit Board (PCB). For example, the substrate (43) may include at least one of polyethylene terephthalate (PET), glass, polycarbonate (PC), or silicon. The substrate (43) may have a fork shape. The substrate (43) may be referred to as the substrate (40).

[0053] The substrate (43) may include a body (431) and legs (432). The body (431) may be extended. The legs (432) may extend along one long side of the body (431) in a direction intersecting the body (431). The longitudinal direction of the body (431) may be defined in a vertical direction, and the longitudinal direction of the legs (432) may be defined in a horizontal direction. The width (43La) of the body (431) may be smaller than the length (43Ha) of the body (431) and may be smaller than or similar to the length (43Lb) of the legs (432). The legs (432) may be spaced apart from each other along the longitudinal direction of the body (431). The spacing (Gb) between the legs (432) may be equal to the width (42Hb) of the leg (432).

[0054] The substrate (43) may be provided as at least one. Each of the plurality of substrates (43) may be coupled to or attached to each of the plurality of regions (83A1, 83A2, 83A3, 83A4, 83A5, 83A6, 83A7, 83A8, 83A9, see FIG. 4) of the heat sink (83).

[0055] A light source (51) may be mounted on the front surface of the substrate (43). Multiple light sources (51) may be arranged in a matrix form on the front surface of the body (431) and the legs (432). The light source (51) may be an LED (Light Emitting Diode) chip or an LED package. The light source (51) may be composed of a colored LED that emits at least one color among colors such as red, green, blue, etc., or a white LED. The light source (51) may be a mini LED. An electrode pattern may be formed on the substrate (43) and may connect an adapter (connector) to the light source (51). A power supply board may provide power to the light source (51) through the substrate (43). For example, the electrode pattern may be a carbon nanotube electrode pattern.

[0056] Referring to FIGS. 11 through 13, the substrate (40) may be attached to the front of the frame (80) or heat sink (83) via an adhesive member (40AD), such as double-sided tape. Alternatively, the substrate (40) may be coupled to the frame (80) or heat sink (83) via other mechanisms. A reflective sheet (60) may be attached to the front of the substrate (40) via an adhesive member (60AD), such as double-sided tape. Alternatively, the reflective sheet (60) may be attached to the back of the lenses (53) on the substrate (40). The reflective sheet (60) may cover components such as connectors, jumpers, and Zener diodes mounted on the substrate (40). The reflective sheet (60) may reflect light provided from the light source (51) or reflected from the diffuser (31) forward (see FIG. 2). For example, the reflective sheet (60) may comprise 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). For example, a resin may be deposited or applied on the reflective sheet (60). The reflective sheet (60) may be provided as at least one. A plurality of reflective sheets (60) may cover the substrate(s) (40).

[0057] A hole (601) may be formed in the reflective sheet (60), and a light source (51) or a lens (53) covering the light source (51) may be positioned in the hole (601). The lens (53) may penetrate the hole (60Ada) of the adhesive member (60AD) and the hole (60a) of the reflective sheet (60). The lens (53) may include a silicone material and may widen the light-direction angle. The diameter of the hole (601) may be larger than the diameter of the lens (53). The number of holes (601) may be equal to the number of light sources (51) or lenses (53).

[0058] Meanwhile, the incision line(s) (602) can be formed on the reflective sheet (60) and can be spread by a protruding element (e.g., a Zener diode) on the substrate (40). The shape of the incision line (602) can vary, such as "+", "x", etc.

[0059] Referring to FIGS. 14 and 15, the supporter (39) may include a body (391), a head (392), arms (393, 394), ribs (395, 396), and hooks (397, 398). The supporter (39) may have elasticity. The supporter (39) may include plastic or resin material. The body (391), head (392), arms (393, 394), ribs (395, 396), and hooks (397, 398) may be referred to in order as the first part (391), the second part (392), the third part (393, 394), the fourth part (395, 396), and the fifth part (397, 398).

[0060] The body (391) may be extended. The body (391) may be extended in a horizontal or vertical direction. The body (391) may have a bow shape overall. The body (391) may be referred to as an elastic part (391). The body (391) may include a first part (3911), a second part (3912), and a third part (3913).

[0061] The first part (3911) may form one end (391a, e.g., the left end) of the body (391) and may be convex toward the front. The one end (3911a, i.e., the left end) of the first part (3911) may be located behind the other end (3911b, i.e., the right end) of the first part (3911), and the portion of the first part (3911) that protrudes most forward (i.e., the front end (3911c)) may be adjacent to the other end (3911b) of the first part (3911).

[0062] The second part (3912) may form the other end (391b, e.g., the right end) of the body (391) and may be convex toward the front. One end (3912a, i.e., the left end) of the second part (3912) may be located further forward than the other end (3912b, i.e., the right end) of the second part (3912), and the portion of the second part (3912) that protrudes the most toward the front (i.e., the front end (3912c)) may be adjacent to the one end (3912a) of the second part (3912).

[0063] The third part (3913) may be located between the first part (3911) and the second part (3912) and may connect the first part (3911) and the second part (3912). The third part (3913) may be bent from the first part (3911) and the second part (3912). One end of the third part (3913) (i.e., the left end) may be connected to the other end (3911b) of the first part (3911), and the other end of the third part (3913) (i.e., the right end) may be connected to one end (3912a) of the second part (3912). The third part (3913) may be flat. The third part (3913) may be located behind the front end (3911c) of the first part (3911) and the front end (3912c) of the second part (3912). For example, the first part (3911) and the second part (3912) may be symmetrical to each other with respect to the center of the third part (3913).

[0064] The head (392) may protrude forward from the third part (3913). The head (392) may be located in the center of the third part (3913). The head (392) may be referred to as a tower (392) or a cone (392). The head (392) may form the front end of the supporter (39), and the front end of the head (392) may be spaced forward by a certain distance (D2) from the front ends (3911c, 3912c) of the first and second parts (3911, 3912).

[0065] Arms (393, 394) may be formed at the ends of the body (391) and may intersect with the body (391). Arms (393, 394) may be referred to as handles (393, 394). A first arm (393) may be formed at one end (391a) of the body (391) and may extend in a direction intersecting the body (391). The first arm (393) may extend in a front-rear direction, and one end (391a) of the body (391) may be located between the front end (393a) and the rear end (393b) of the first arm (393). A second arm (394) may be formed at the other end (391b) of the body (391) and may extend in a direction intersecting the body (391). The second arm (394) can be extended in the forward and backward directions, and the other end (391b) of the body (391) can be located between the front end (394a) and the rear end (394b) of the second arm (394).

[0066] The ribs (395, 396) may be located at the rear of the body (391) and may be formed on the inner surface of the arm (393, 394). The inner surface of the arm (393, 394) may be one side of the arm (393, 394) to which the body (391) is connected, and the outer surface of the arm (393, 394) may be opposite to the one side. The ribs (395, 396) may be referred to as a base (395, 396) or a support part (395, 396). The first rib (395) may be located at the rear of one end (391a) of the body (391) and may protrude from the inner surface of the first arm (393) in a direction intersecting the first arm (393). The second rib (396) may be located at the rear of the other end (391b) of the body (391) and may protrude from the inner surface of the second arm (394) in a direction intersecting the second arm (394). The first and second ribs (395, 396) may be spaced apart from each other. The distance (Db) between the first and second ribs (395, 396) may be greater than the distance (Da) between the front end (3911c) of the first part (3911) and the front end (3912c) of the second part (3912).

[0067] Hooks (397, 398) may be located at the rear of ribs (395, 396) and may be formed on the outer surface of arms (393, 394). Hooks (397, 398) may protrude from arms (393, 394) in the opposite direction to ribs (395, 396). Hooks (397, 398) may be referred to as feet (397, 398) or hooks (397, 398). A first hook (397) may be located at the rear of the first arm (393) and may protrude from the outer surface of the first arm (393) in a direction intersecting the first arm (393). The first hook (397) may be adjacent to or formed on the rear end (393b) of the first arm (393). The second hook (398) may be located at the rear of the second arm (394) and may protrude from the outer surface of the second arm (394) in a direction intersecting the second arm (394). The second hook (398) may be adjacent to or formed at the rear end (394b) of the second arm (394). The height at which the first and second hooks (397, 398) protrude with respect to the first and second arms (393, 394) may be equal to or correspond to the height at which the first and second ribs (395, 396) protrude with respect to the first and second arms (393, 394).

[0068] For example, the first and second ribs (395, 396) and the first and second hooks (397, 398), as well as the first and second arms (393, 394) on which they are formed, may be symmetrical with respect to the center point of the body (391).

[0069] Referring to FIG. 16, the coupling portion (83s) may be formed on the heat sink (83). Alternatively, the coupling portion (83s) may be formed on the frame (80). The coupling portion (83s) may be formed by pressing from the rear side of the heat sink (83) toward the front side. The height at which the coupling portion (83s) protrudes relative to the front side of the heat sink (83) may be equal to or correspond to the thickness of the substrate (40) on the heat sink (83). The coupling portion (83s) may be extended in the longitudinal direction of the supporter (39, see FIG. 14 and 15). The coupling portion (83s) and the supporter (39) may be extended in the horizontal direction and formed narrowly in the vertical direction. Alternatively, the coupling portion (83s) and the supporter (39) may be extended in the vertical direction and formed narrowly in the horizontal direction.

[0070] The first hole (83sa) may be adjacent to one end (e.g., the left end) of the connecting part (83s) and may be formed through the connecting part (83s). The shape of the first hole (83sa) may correspond to the shape of the first hook (397) of the supporter (39). For example, the first hook (397) may have a rectangular shape, and the first hole (83sa) may be a square hole.

[0071] The second hole (83sb) may be adjacent to the other end (e.g., the right end) of the connecting part (83s) and may be formed by penetrating the connecting part (83s). The shape of the second hole (83sb) may correspond to the shape of the second hook (398) of the supporter (39). For example, the second hook (398) may have a rectangular shape, and the second hole (83sb) may be a square hole.

[0072] Referring to FIGS. 17 and 18, the supporter (39) may be positioned in front of the coupling portion (83s). The distance (Dc) between the ends of the first and second hooks (397, 398) of the supporter (39) may be greater than the maximum distance (D3) between the first and second holes (83sa, 83sb) of the coupling portion (83s).

[0073] The user can close the supporter (39) by pressing the first and second arms (393, 394) of the supporter (39) with a finger. That is, the first and second parts (3911, 3912) of the supporter (39) can be bent more convexly forward. The distance (Dc) between the ends of the first and second hooks (397, 398) of the closed supporter (39) may be equal to or less than the maximum distance ((D3). Accordingly, the user can insert each of the first and second hooks (397, 398) of the closed supporter (39) into each of the first and second holes (83sa, 83sb). At this time, since the first and second ribs (395, 396) are formed on the inner surface of the first and second arms (393, 394), they can move forward at an angle in response to the closing of the supporter (39). That is, while the user is inserting the first and second hooks (397, 398) into the first and second holes (83sa, 83sb), the first and second ribs (395, 396) may not interfere with the joint (83s).

[0074] After inserting the first and second hooks (397, 398) into the first and second holes (83sa, 83sb), the user can remove their fingers from the first and second arms (393, 394). The closed supporter (39) can be restored to its original state by elastic force, and the front of the first and second hooks (397, 398) can be caught on the rear of the joint (83s). Accordingly, the supporter (39) can be detachably connected to the joint (83s). Additionally, the first and second ribs (395, 396) can be positioned on the front of the joint (83s). Accordingly, the first and second ribs (395, 396) can prevent the supporter (39) from moving backward. The gap (G3) between the hooks (397, 398) and the ribs (395, 396) may be equal to or greater than the thickness of the joint (83s) (t3, i.e., the thickness of the frame (80) or the heat sink (83)).

[0075] Meanwhile, the height at which the coupling portion (83s) protrudes forward from the front of the heat sink (83) may be equal to or similar to the thickness of the substrate (40) on the front of the heat sink (83). The coupling portion (83s) and the supporter (39) coupled thereto may be located between bar-shaped substrates (41, see FIGS. 5 and 6), located in a hole (40s) of a plate-shaped substrate (42, see FIGS. 7 and 8), or located between the legs (432) of a fork-shaped substrate (43, see FIGS. 9 and 10). The reflective sheet (60) may be coupled or attached to the front of the substrate (40) and the front of the coupling portion (83s), and may have a hole (60b) where the supporter (39) is located.

[0076] Referring to FIGS. 18 and 19, the front end of the head (392) of the supporter (39) coupled to the coupling portion (83s) may be adjacent to the rear surface of the diffuser plate (31). In the front-rear direction, the distance between the arms (393, 394) of the supporter (39) and the diffuser plate (31) may be greater than the distance between the head (392) of the supporter (39) and the diffuser plate (31). The body (391) of the supporter (39) may be spaced forward from the front surface of the coupling portion (83s), and the body (391) may be elastically deformed toward the front surface of the coupling portion (83s).

[0077] The diffuser plate (31) may be deformed. For example, deformation of the diffuser plate (31) may occur during the transport or storage of the display device (especially when stored lying down). For example, the temperature of the diffuser plate (31) may rise in response to the operation of the display device, and deformation of the diffuser plate (31) may occur. For example, the deformation of the diffuser plate (31) may be sagging.

[0078] The head (392) of the supporter (39) can support the rear surface of the diffuser plate (31). As the diffuser plate (31) sags, the body (391) of the supporter (39) can deform toward the joint (83s). As the diffuser plate (31) returns to its original state, the body (391) of the supporter ((39)) can also return to its original position by means of elastic force.

[0079] The arms (393, 394) of the supporter (39) can be spaced apart from the rear of the diffuser plate (31) even if the head (392) contacts the rear of the diffuser plate (31). To this end, the protruding height (H3) of the arms (393, 394) from the front of the coupling part (83s) can be determined as a height at which the arms (393, 394) do not touch the rear of the diffuser plate (31) when the body (391) is pressed to the maximum. The height (H3) can be smaller than the value obtained by subtracting the maximum amount of compression of the body (391) (i.e., the difference between the gap (G9) in FIG. 18 and the gap (G8) in FIG. 19) from the height (H2) of the head (392) relative to the front of the coupling part (83s). For example, the height (H2) may be 13.4 mm, the maximum compression amount may be 2.4 mm, and the height (H3) may be less than 11 mm. For example, the height (H3) may be 10 mm or less.

[0080] Accordingly, damage to the diffusion plate (31) caused by the arms (393, 394) can be prevented, and the user can grasp the arms (393, 394) with their fingers to squeeze the supporter (39) and connect the supporter (39) to the connecting part (83s) or separate it from it.

[0081] A plurality of supporters (39) may be arranged on the front surface of the frame (80) or heat sink (83). The number and arrangement of supporters (39) provided in the display device may be determined variably by considering the size of the display panel and the installation environment. The supporters (39) may be placed between light sources (51, see holes (601) of the reflective sheet (60) where the light sources (51) of FIG. 11 are located). For example, the length of the supporters (39) may be greater than the spacing between the light sources (51) but less than 2 to 3 times the spacing.

[0082] Referring to FIGS. 1 to 19, the display device may include: a display panel; a frame located behind the display panel; a substrate located between the display panel and the frame; light sources located on the substrate and providing light to the display panel; a diffuser located between the display panel and the light sources; and a supporter supporting the rear surface of the diffuser. The frame may include: a first hole and a second hole spaced apart from each other and facing the space between the diffuser and the substrate. The supporter may include: a first hook and a second hook spaced apart from each other by a distance longer than the distance between the first and second holes and hooked on the rear surface of the frame; a first rib and a second rib spaced apart from each other by a distance shorter than the distance between the first and second holes and located on the front surface of the frame; a body spaced forward from the frame, connecting the first and second hooks and the first and second ribs, and having elasticity; and a head protruding from the body toward the diffuser.

[0083] The supporter may further include: a first arm connected to one end of the body and penetrating the first hole; and a second arm connected to the other end of the body and penetrating the second hole, wherein the first hook and the first rib may protrude in opposite directions from the first arm, and the second hook and the second rib may protrude in opposite directions from the second arm.

[0084] The first rib may protrude from the inner surface of the first arm to which the end of the body is connected, and the first hook may protrude from the outer surface of the first arm opposite to the inner surface of the first arm and may form one end of the supporter.

[0085] The first arm may extend in a direction intersecting the body, and one end of the body may be connected to the first arm between both ends of the first arm.

[0086] The second arm may be symmetrical with respect to the first arm with respect to the center of the body.

[0087] The front end of the first arm may be located behind the front end of the head.

[0088] The above body may include: a first part forming one end of the body and convex toward the front; a second part forming the other end of the body and convex toward the front; and a third part connecting the first part and the second part between the first part and the second part, and the head may protrude from the third part toward the diffuser plate.

[0089] The third part above can be bent from the first part and the second part, and can be formed flat.

[0090] The above frame may further include a coupling portion formed by pressing from the rear of the frame toward the front, wherein the first and second holes are formed, and the height at which the coupling portion protrudes toward the front of the frame may correspond to the thickness of the substrate on the front of the frame.

[0091] The display device may further include a reflective sheet covering the substrate and the coupling portion, and the reflective sheet may include: a first hole where the light source is located; and a second hole where the supporter is located.

[0092] The above supporter may include a plurality of supporters located between the light sources and spaced apart from each other.

[0093] The above substrate may include: a first substrate that is elongated; and a second substrate that extends along the first substrate and is spaced apart from the first substrate in a direction that intersects the longitudinal direction of the first substrate, and the supporter may be located between the first and second substrates.

[0094] The above substrate may have a plate shape and may include a hole in which the supporter is located.

[0095] The above substrate may include: a long, extended body; and a plurality of legs extending from one long side of the body in a direction intersecting the body and spaced apart from each other along the one long side, and the supporter may be located between the plurality of legs.

[0096] 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.

[0097] 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.

[0098] 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; a substrate located between the display panel and the frame; light sources located on the substrate and providing light to the display panel; a diffuser located between the display panel and the light sources; and a supporter supporting the rear surface of the diffuser. The frame comprises: a first hole and a second hole spaced apart from each other and facing the space between the diffuser and the substrate. The supporter comprises: a first hook and a second hook spaced apart from each other by a distance longer than the distance between the first and second holes and engaging with the rear surface of the frame; a first rib and a second rib spaced apart from each other by a distance shorter than the distance between the first and second holes and located on the front surface of the frame; a body spaced forward from the frame, connecting the first and second hooks and the first and second ribs, and having elasticity; and a head protruding from the body toward the diffuser. Claim 2 A display device according to claim 1, wherein the supporter comprises: a first arm connected to one end of the body and penetrating the first hole; and a second arm connected to the other end of the body and penetrating the second hole, wherein the first hook and the first rib protrude in opposite directions from the first arm, and the second hook and the second rib protrude in opposite directions from the second arm. Claim 3 A display device according to claim 2, wherein the first rib protrudes from the inner surface of the first arm to which the end of the body is connected, and the first hook protrudes from the outer surface of the first arm opposite to the inner surface of the first arm, and forms one end of the supporter. Claim 4 In claim 2, the first arm extends in a direction intersecting the body, and one end of the body is connected to the first arm between both ends of the first arm, forming a display device. Claim 5 In claim 4, the second arm is a display device symmetrical to the first arm with respect to the center of the body. Claim 6 In claim 4, the front end of the first arm is a display device located behind the front end of the head. Claim 7 In claim 1, the body comprises: a first part forming one end of the body and convex toward the front; a second part forming the other end of the body and convex toward the front; and a third part connecting the first part and the second part between the first part and the second part, and the head protrudes from the third part toward the diffuser plate. Claim 8 In claim 7, the third part is a display device formed flat and bent from the first part and the second part. Claim 9 A display device according to claim 1, wherein the frame further comprises a coupling portion formed by being pressed from the rear side of the frame toward the front, and wherein the first and second holes are formed, and the height at which the coupling portion protrudes toward the front side of the frame corresponds to the thickness of a substrate on the front side of the frame. Claim 10 A display device according to claim 9, further comprising a reflective sheet covering the substrate and the coupling portion, wherein the reflective sheet comprises: a first hole in which the light source is located; and a second hole in which the supporter is located. Claim 11 In claim 1, the supporter comprises: a plurality of supporters spaced apart from each other and positioned between the light sources. Claim 12 In claim 1, the substrate comprises: a first substrate that is elongated; and a second substrate that extends along the first substrate and is spaced apart from the first substrate in a direction intersecting the longitudinal direction of the first substrate, and the supporter is a display device located between the first and second substrates. Claim 13 A display device according to claim 1, wherein the substrate has a plate shape and includes a hole in which the supporter is located. Claim 14 In claim 1, the substrate comprises: a long, extended body; and a plurality of legs extending from one long side of the body in a direction intersecting the body and spaced apart from each other along the one long side, and the supporter is a display device located between the plurality of legs.

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