Patent Description:
With the development of the information society, various types of demands for display devices are increasing. Various display devices such as a liquid crystal display (LCD), a plasma display panel (PDP), an electroluminescent display (ELD), and a vacuum fluorescent display (VFD) have been recently studied and used in response to the various types of demands.

Out of the various display devices, a display device using an organic light emitting diode (OLED) has better luminance characteristics and better viewing angle characteristics than the liquid crystal display and does not require a backlight unit, and thus can be implemented as a ultrathin profile.

<CIT> describes a display device according to the preamble of claim <NUM>. Other prior art is shown in <CIT>, or <CIT>. <CIT> discloses a stand for a display device, which has a rack for storing a peripheral device connectable to the display device.

An object of the present invention is to address the above-described and other problems. Another object of the present invention is to provide a stand capable of easily supporting a display panel coupled to a case member.

Another object of the present invention is to provide a display device in which a cable for applying electric power or signals to a display panel can be easily accommodated in a stand.

Another object of the present invention is to provide a display device including a dissipation mechanism capable of easily dissipating heat generated by components.

Another object of the present invention is to provide a display device capable of providing a sound with good quality by providing a sound reflector capable of changing a path of sound provided by a speaker.

The present invention defined in the appended independent claim achieves the above-described and other objects. Preferred aspects of the present invention are defined by the appended dependent claims. In the following description, there is further provided a display device comprising a display panel; a frame disposed behind the display panel and coupled to the display panel; a stand configured to support the frame at a lower part of the display panel; a bottom accommodation portion fixed to a lower part of the stand, the bottom accommodation portion having an inner space that is opened rearward; and a box slidably inserted into the inner space, the box having an accommodation space provided inside the box.

According to another aspect of the present invention, the display device may further comprise sliders fixed to outsides of both ends of the box; and guide rails fixed to insides of both ends of the bottom accommodation portion and configured to guide the sliders to slide forward or rearward.

According to another aspect of the present invention, the stand comprises a top plate; a bottom plate disposed opposite the top plate below the top plate and spaced apart from the top plate; a first side plate configured to connect the top plate to the bottom plate at one side of the top plate and the bottom plate; and a second side plate configured to connect the top plate to the bottom plate at other side of the top plate and the bottom plate, the second side plate being opposite to the first side plate. The bottom accommodation portion may be coupled to a lower part of the bottom plate.

According to another aspect of the present invention, the bottom accommodation portion may comprise a bottom body disposed opposite the bottom plate below the bottom plate; a first side body configured to connect the bottom body to the bottom plate at one side; a second side body configured to connect the bottom body to the bottom plate at other side; and a third side body configured to connect the bottom body to the bottom plate at a front surface. The first and second side bodies may be formed in a "<IMG>"-shape and may accommodate the guide rails.

According to another aspect of the present invention, a support member may comprise a first convex portion and a first concave portion. The first and second side bodies may comprise a second concave portion into which the first convex portion is inserted, and a second convex portion inserted into the first concave portion. One of the first convex portion and the first concave portion may be formed on an upper surface and a lower surface of the support member, and the other of the first convex portion and the first concave portion may be formed on a side surface of the support member.

According to another aspect of the present invention, the display device may further comprise a support member provided in the bottom accommodation portion. The third side body may be formed in a "<IMG>"-shape and may accommodates the support member.

According to another aspect of the present invention, the top plate may comprise a top accommodation portion having a predetermined inner space that is opened rearward; and a top hole configured to open at least a part of the top accommodation portion toward the display panel. At least one of the first and second side plates may comprise a side accommodation portion having a predetermined inner space, that is opened rearward, and communicating with the top accommodation portion. The bottom accommodation portion may communicate with the side accommodation portion, and the body may communicate with the bottom accommodation portion.

According to another aspect of the present invention, the display device further comprises an electronic component disposed behind the frame and configured to transmit a predetermined electric power or signal to the display panel; a back cover disposed behind the frame and configured to accommodate the electronic component; a component accommodated in the body; and a cable configured to electrically connect the electronic component to the component. The cable may pass through the top hole and may be accommodated in the top accommodation portion, the side accommodation portion, the bottom accommodation portion, and the body.

According to another aspect of the present invention, the display device may further comprise a fan provided in the box. The box may comprise an air inlet comprising inlet slits that are opened rearward at one side; and an air outlet comprising outlet slits that are opened rearward at other side. The fan may be disposed adjacent to the air outlet.

According to another aspect of the present invention, the fan may comprise a first fan having a first discharge direction; and a second fan disposed closer to the air outlet than the first fan and having a second discharge direction. The first discharge direction may be different from the second discharge direction.

According to another aspect of the present invention, the second discharge direction may be directed toward the outlet slits. The first discharge direction may be directed toward a direction tilted by a predetermined angle from the second discharge direction. The predetermined angle may be an acute angle or a right angle.

According to at least one aspect of the present invention, the present invention can prevent defects due to deformation by providing a stand that can easily support a display panel coupled to a case member.

According to at least one aspect of the present invention, the present invention can easily accommodate, in a stand, a cable for applying electric power or signals to a display panel.

According to at least one aspect of the present invention, the present invention can minimize a damage of components caused by heat by having a heat dissipation mechanism capable of easily dissipating heat generated by the components.

According to at least one aspect of the present invention, the present invention can provide a sound with good quality by comprising a sound reflector capable of changing a path of sound provided by a speaker.

Reference will now be made in detail to embodiments of the invention, examples of which are illustrated in the accompanying drawings.

In general, a suffix such as "module" and "unit" may be used to refer to elements or components. Use of such a suffix herein is merely intended to facilitate description of the present disclosure, and the suffix itself is not intended to give any special meaning or function. It will be noted that a detailed description of known arts will be omitted if it is determined that the detailed description of the known arts can obscure the embodiments of the invention. The accompanying drawings are used to help easily understand various technical features and it should be understood that the embodiments presented herein are not limited by the accompanying drawings.

Hereinafter, embodiments of the present invention are described using an organic light emitting diode panel (hereinafter, 'OLED panel') as an example of a display panel. However, embodiments of the present invention are not limited thereto.

<FIG> and <FIG> illustrate a display device according to an embodiment of the present invention. <FIG> illustrates a process of coupling a display panel and a case member according to an embodiment of the present invention.

Referring to <FIG> and <FIG>, a display panel <NUM> of a display device <NUM> may include a first long side LS1, a second long side LS2 opposite 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 the first short side SS1.

In embodiments disclosed herein, the first short side SS1 may be referred to as a first side area; the second short side SS2 may be referred to as a second side area opposite the first side area; the first long side LS1 may be referred to as a third side area which is adjacent to the first side area and the second side area and is positioned between the first side area and the second side area; and the second long side LS2 may be referred to as a fourth side area which is adjacent to the first side area and the second side area, is positioned between the first side area and the second side area, and is opposite to the third side area.

Embodiments of the present invention illustrate and describe that lengths of the first and second long sides LS1 and LS2 are longer than lengths of the first and second short sides SS1 and SS2 for convenience of explanation. However, the lengths of the first and second long sides LS1 and LS2 may be almost equal to the lengths of the first and second short sides SS1 and SS2.

In the following description, a first direction DR1 may be a direction parallel to the long sides LS1 and LS2 of the display panel <NUM>, and a second direction DR2 may be a direction parallel to the short sides SS1 and SS2 of the display panel <NUM>.

The first direction DR1 may be parallel to a horizontal axis. The first direction DR1 may be referred to as a first horizontal axis. The second direction DR2 may be parallel to a vertical axis. The second direction DR2 may be referred to as the vertical axis. A third direction DR3 may be parallel to the horizontal axis. The third direction DR3 may be referred to as a second horizontal axis.

A side of the display panel <NUM> on which an image is displayed may be referred to as a forward direction or a front surface. When the display panel <NUM> displays an image, a side of the display panel <NUM> at which the image cannot be observed may be referred to as a rearward direction or a rear surface. The third direction DR3 may be a back-and-forth direction.

When the display device <NUM> is viewed from the forward direction or the front surface, the first long side LS1 may be referred to as an upper side or an upper surface. In the same manner, the second long side LS2 may be referred to as a lower side or a lower surface. In the same manner, the first short side SS1 may be referred to as a right side or a right surface, and the second short side SS2 may be referred to as a left side or a left surface.

A lateral side of the display device <NUM> may indicate at least one of the upper surface, the lower surface, the right surface, and the left surface of the display device <NUM>.

Further, the first long side LS1, the second long side LS2, the first short side SS1, and the second short side SS2 may be referred to as edges of the display device <NUM>. Positions 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 may be referred to as corners. For example, a position where the first long side LS1 and the first short side SS1 meet each other may be referred to as a first corner C1; a position where the first long side LS1 and the second short side SS2 meet each other may be referred to as a second corner C2; a position where the second short side SS2 and the second long side LS2 meet each other may be referred to as a third corner C3; and a position where the second long side LS2 and the first short side SS1 meet each other may be referred to as a fourth corner C4.

In embodiments disclosed herein, a direction from the first short side SS1 to the second short side SS2 or a direction from the second short side SS2 to the first short side SS1 may be referred to as a left-right direction LR. A direction from the first long side LS1 to the second long side LS2 or from the second long side LS2 to the first long side LS1 may be referred to as an up-down direction UD.

Referring to <FIG> and <FIG>, the display panel <NUM> may be provided on the front surface of the display device <NUM> and may display an image. The display panel <NUM> may divide the image into a plurality of pixels and adjust hue, brightness, and saturation for each pixel to output the image. The display panel <NUM> may be divided into an active area in which the image is displayed, and an inactive area in which the image is not displayed.

The display panel <NUM> may include an OLED panel. The display panel <NUM> may emit light by itself. The display panel <NUM> may have a very thin thickness.

An inner plate <NUM> may be disposed behind the display panel <NUM>. The inner plate <NUM> may be attached to a rear surface of the display panel <NUM>. The inner plate <NUM> may be smaller than the display panel <NUM>. The inner plate <NUM> may be coupled to the rear surface of the display panel <NUM> by a double-sided adhesive tape or a magnet. The inner plate <NUM> may include a ferromagnetic material or a paramagnetic material.

The inner plate <NUM> may provide rigidity to the display panel <NUM>. The inner plate <NUM> may receive heat from the display panel <NUM> and emit the heat. The inner plate <NUM> may have high heat conductivity. The inner plate <NUM> may include metal. For example, the inner plate <NUM> may include aluminum or aluminum alloy.

A frame <NUM> may be disposed behind the inner plate <NUM>. The frame <NUM> provides an inner space. The frame <NUM> may accommodate the inner plate <NUM> and the display panel <NUM>. The inner plate <NUM> and the display panel <NUM> may be disposed in the inner space formed in the frame <NUM>. If necessary, the frame <NUM> may cover at least a part of the side surface of the inner plate <NUM> and the display panel <NUM>.

The frame <NUM> may include a fiber to reinforce rigidity. For example, the frame <NUM> may include at least one of a glass fiber, a carbon fiber, a metallic wire, and a metallic fiber. The frame <NUM> may include a microfiber.

A middle cabinet <NUM> may be disposed to surround an edge of the display panel <NUM>. The middle cabinet <NUM> may have a frame shape in which the center is penetrated so as to surround an outer edge of the display panel <NUM>. The middle cabinet <NUM> may support the edge of the display panel <NUM> behind the display panel <NUM>. The frame <NUM> may be seated on a rear surface of the middle cabinet <NUM> and fixed to the middle cabinet <NUM>.

The middle cabinet <NUM> may be formed of a synthetic resin, such as plastic, or a metal material. However, it may be preferable that the middle cabinet <NUM> is formed of aluminum or aluminum alloy or stainless steel or a galvanized steel sheet in consideration of a predetermined strength and heat dissipation.

A rigid bar <NUM> may be disposed behind the frame <NUM>. The rigid bar <NUM> may be in contact with a rear surface of the frame <NUM>. The rigid bar <NUM> may provide rigidity to the frame <NUM> and/or the display panel <NUM>. That is, the rigid bar <NUM> may be branched in multiple directions, and may prevent bending deformation of the frame <NUM> or the like. The rigid bar <NUM> may be formed of a material such as carbon fiber reinforced plastics (CFRP), but is not limited thereto.

For example, the rigid bar <NUM> may include a first body <NUM> extending in the left-right direction of the display panel <NUM>, and a second body <NUM> extending in the vertical direction, for example, in the up-down direction from the first body <NUM>. The first body <NUM> and the second body <NUM> may be formed as one body. That is, the second body <NUM> may be a portion branched from the first body <NUM>. Alternatively, the first body <NUM> and the second body <NUM> may be formed as separate bodies. The neighboring second bodies <NUM> may be positioned to be spaced apart from each other by a predetermined distance. As will be described later, each electronic component may be disposed between the neighboring second bodies <NUM>. Each of the first body <NUM> and the second body <NUM> may include a plurality of bodies.

A PCB plate <NUM> may be disposed behind the frame <NUM>. The PCB plate <NUM> may be coupled to the rear surface of the frame <NUM>. The PCB plate <NUM> may be coupled to the frame <NUM>. The PCB plate <NUM> may be divided into a plurality of parts, and each PCB plate <NUM> may be disposed between the neighboring second bodies <NUM>.

A rear surface of the PCB plate <NUM> may accommodate electronic components. For example, a power distributor <NUM>, a speaker <NUM>, a timing controller board <NUM>, a main board <NUM>, and the like may be mounted on the rear surface of the PCB plate <NUM>. The rigid bar <NUM> may be disposed between the electronic components. Hence, the present invention can effectively reduce defects in which the electronic components are damaged due to deformation of the frame <NUM> by an external force.

The material of the PCB plate <NUM> may be different from the material of the frame <NUM>. For example, the PCB plate <NUM> may include metal. For example, the PCB plate <NUM> may be formed through a pressing process. The frame <NUM> and the PCB plate <NUM> may be fixed to each other through an adhesive member interposed between them, but the present invention is not limited thereto.

Aback cover <NUM> is disposed behind the frame <NUM>. The back cover <NUM> may be disposed behind the PCB plate <NUM>. The back cover <NUM> may be disposed to cover the electronic components positioned on the PCB plate <NUM> and may protect them. The back cover <NUM> may be fixed to the frame <NUM> through at least one fixing member. The fixing member may be a screw, but is not limited thereto.

The back cover <NUM> may include at least one groove <NUM> provided on an outer surface. The groove <NUM> may include one or more open holes <NUM> provided by penetrating a thickness of the back cover <NUM>. The groove <NUM> may be a portion accommodating some of one or more cables <NUM> and <NUM> (see <FIG>) and/or at least one connector <NUM> (see <FIG>). The open hole <NUM> may be a portion through which mechanisms for electrically connecting an electronic component disposed outside the back cover <NUM> to an electronic component disposed inside the back cover <NUM> pass, and the mechanisms extend in the open hole <NUM>. The cables <NUM> and <NUM> (see <FIG>) may transmit external power and/or signals to the electronic components positioned on the PCB plate <NUM>. The connector <NUM> may electrically connect the cable <NUM> (see <FIG>) to the electronic component positioned on the PCB plate <NUM>.

An auxiliary cover <NUM> may be disposed behind the back cover <NUM>. The auxiliary cover <NUM> may be positioned to cover the components positioned on the groove <NUM> and may protect them. The auxiliary cover <NUM> may be fixed to the back cover <NUM> through at least one fixing member. The auxiliary cover <NUM> and the back cover <NUM> may be fixed to each other through a fastening method using a grommet, but are not limited thereto.

<FIG> illustrate a connection relationship between a display panel and a cable and a position relationship between a cable and a case member according to an embodiment of the present invention.

Referring to <FIG>, a member layer <NUM> may extend from one side of the display panel <NUM>. For example, the member layer <NUM> may have a shape extending from the second long side LS2 of the display panel <NUM>. A plurality of member layers <NUM> may be provided. The member layers <NUM> may be electrically connected to the display panel <NUM>. The member layer <NUM> may include at least one of a chip on film (COF), a chip on glass (COG), a flexible printed circuit board (FPCB), and a tape carrier package (TCP).

A source PCB <NUM> may have a shape extending from the member layer <NUM>. The source PCB <NUM> may be electrically connected to the member layer <NUM>. A plurality of source PCBs <NUM> may be provided.

A cable <NUM> may have a shape extending from the source PCB <NUM>. The cable <NUM> may be electrically connected to the source PCB <NUM>. A plurality of cables <NUM> may be provided.

The power or/and signal provided to the cable <NUM> may be delivered to the source PCB <NUM>. The power or/and signal provided to the source PCB <NUM> may be distributed to the member layers <NUM>. The power or/and signal distributed to the member layers <NUM> may be supplied to the display panel <NUM>.

Referring to <FIG>, the member layer <NUM> may be flexible. The member layer <NUM> may be bent toward the rear surface of the display panel <NUM>. The source PCB <NUM> connected to the member layer <NUM> may be disposed behind the display panel <NUM>. The cable <NUM> connected to the source PCB <NUM> may be disposed behind the display panel <NUM>.

Referring to <FIG> and <FIG>, the cable <NUM> may extend toward the rear of the frame <NUM>. The cable <NUM> may pass a lower portion of the inner plate <NUM> and pass through a slot <NUM> formed in the frame <NUM>. One end of the cable <NUM> may pass through the slot <NUM> and may be electrically connected to the electronic component disposed behind the frame <NUM>.

The inner plate <NUM> may have a smaller area than the display panel <NUM>. In this case, since the cable <NUM> can extend through a free space of the lower portion of the inner plate <NUM>, separate processing of the inner plate <NUM> may not be required.

<FIG> illustrate detailed configuration of a display device according to an embodiment of the present invention.

Referring to <FIG>, the display device <NUM> includes the display panel <NUM> and a stand <NUM> positioned below the display panel <NUM>. The stand <NUM> supports the display panel <NUM> coupled to a case member, such as the inner plate <NUM>, the frame <NUM>, the middle cabinet <NUM>, the back cover <NUM>, and the auxiliary cover <NUM>, from the lower part of the display panel <NUM>.

The stand <NUM> includes a top plate <NUM>, a bottom plate <NUM>, a first side plate <NUM>, and a second side plate <NUM>. The stand <NUM> may have a case shape penetrating in forward-rearward direction by a coupling structure of the bottom plate <NUM>, the first side plate <NUM>, and the second side plate <NUM>.

The top plate <NUM> may define a shape of a top surface of the stand <NUM>. Support mechanisms for supporting the display panel <NUM> may be disposed on the top plate <NUM>. The support mechanisms may include a supporter guide <NUM> and a supporter head <NUM>. The supporter guide <NUM> may be fixed to a first guide plate <NUM> disposed behind the frame <NUM>. The supporter head <NUM> may be fixed to a second guide plate <NUM> disposed behind the frame <NUM>.

The bottom plate <NUM> may define a shape of a lower surface of the stand <NUM>. The bottom plate <NUM> may be disposed opposite the top plate <NUM> below the top plate <NUM> and may be spaced apart from the top plate <NUM> by a predetermined distance.

The first side plate <NUM> may define a shape of a right surface of the stand <NUM>. The first side plate <NUM> may connect the top plate <NUM> and the bottom plate <NUM> at the right side of the top plate <NUM> and the bottom plate <NUM>. That is, the first side plate <NUM> may connect the right side of the top plate <NUM> and the right side of the bottom plate <NUM>.

The second side plate <NUM> may define a shape of a left surface of the stand <NUM>. The second side plate <NUM> may connect the top plate <NUM> to the bottom plate <NUM> at the left side of the top plate <NUM> and the bottom plate <NUM>. That is, the second side plate <NUM> may connect the left side of the top plate <NUM> and the left side of the bottom plate <NUM>. The second side plate <NUM> may face the first side plate <NUM>.

The first side plate <NUM> and the second side plate <NUM> may be fixed to the top plate <NUM> through at least one screw. For example, an angle bracket <NUM> may be interposed between the side plates <NUM> and <NUM> and the top plate <NUM>. The side plates <NUM> and <NUM> and the angle bracket <NUM> may be fixed through a screw, and the top plate <NUM> and the angle bracket <NUM> may be fixed through a screw. It is preferable that the screw is fastened to a lower surface of the top plate <NUM> so that the screw is not exposed from an upper surface of the top plate <NUM>. The first side plate <NUM> and the second side plate <NUM> may be fixed to the bottom plate <NUM> through at least one screw.

The top plate <NUM> may include the supporter guide <NUM>. The supporter guide <NUM> may have a shape protruding upward from the top plate <NUM>. A plurality of supporter guides <NUM> may be provided. The supporter guides <NUM> may be disposed along a longitudinal direction of the display panel <NUM>, for example, the left-right direction. As the plurality of supporter guides <NUM> are provided, since the display panel <NUM>, to which the case member is coupled, can be supported at a plurality of positions, it is possible to effectively restrain and limit shaking and twisting of the display panel <NUM>.

The first guide plate <NUM> may be disposed behind the frame <NUM>. The number of first guide plates <NUM> may correspond to the number of supporter guides <NUM>. The first guide plate <NUM> may be fixed to the frame <NUM> through a fixing member such as a screw. Alternatively, the first guide plate <NUM> may be fixed to the rigid bar through a fixing member such as a screw. It may be preferable that the first guide plate <NUM> is formed at the rigid bar to prevent deformation of the frame <NUM>.

The first guide plate <NUM> may include a guide groove 1611a into which the supporter guide <NUM> is inserted. The guide groove 1611a may be opened in a direction in which the supporter guide <NUM> extends. That is, the guide groove 1611a may be penetrated upward. Movement in the left-right direction of the supporter guide <NUM> inserted into the guide groove 1611a may be limited. Movement in the up-down direction of the supporter guide <NUM> inserted into the guide groove 1611a may not be limited.

The display device <NUM> may further include the supporter head <NUM>. The supporter head <NUM> may be disposed on the upper surface of the top plate <NUM>. A plurality of supporter heads <NUM> may be provided. The supporter heads <NUM> may be disposed adjacent to each other along the longitudinal direction of the display panel <NUM> of the display panel <NUM>, for example, the left-right direction. In addition, the supporter heads <NUM> may be disposed adjacent to the supporter guide <NUM> along the left-right direction. The supporter head <NUM> may include a first hollow portion 612a. The first hollow portion 612a may be a part of the supporter head <NUM> penetrated in the up-down direction. Female threads may be formed on an inner surface of the first hollow portion 612a.

The second guide plate <NUM> may be disposed behind the frame <NUM>. The number of second guide plates <NUM> may correspond to the number of supporter heads <NUM>. The second guide plate <NUM> may be fixed to the frame <NUM> through a fixing member such as a screw. Alternatively, the second guide plate <NUM> may be fixed to the rigid bar through a fixing member such as a screw. It may be preferable that the second guide plate <NUM> is formed on the rigid bar to prevent deformation of the frame <NUM>.

The second guide plate <NUM> may include a second hollow portion 1612a. The second hollow portion 1612a may be a part of the second guide plate <NUM> penetrated in the up-down direction. Female threads may be formed on the inner surface of the second hollow portion 1612a.

The supporter head <NUM> and the second guide plate <NUM> may be coupled through a screw <NUM>. The screw <NUM> may be inserted into the first hollow portion 612a and the second hollow portion 1612a. Hence, the frame <NUM> and the stand <NUM> may be fixed to each other.

By distributing and providing a coupling structure of the supporter head <NUM> and the second guide plate <NUM> in a plurality of positions, a predetermined fastening force between the frame <NUM> and the top plate <NUM> can be secured at a front surface of the top plate <NUM>. In this case, as a central portion of the top plate <NUM> sags by the load of the display panel <NUM> and the case member, it is possible to prevent a defect in which a separation distance between the frame <NUM> and the top plate <NUM> varies depending on the position.

The stand <NUM> may include a bottom accommodation portion <NUM>. The bottom accommodation portion <NUM> may be disposed below the bottom plate <NUM>. The bottom accommodation portion <NUM> may include a bottom body <NUM>, a first side body <NUM>, a second side body <NUM>, and a third side body <NUM>. The bottom accommodation portion <NUM> may provide an accommodation space that is open rearward by a coupling structure of the bottom body <NUM>, the first side body <NUM>, the second side body <NUM>, and the third side body <NUM>.

The bottom body <NUM> may define a shape of a bottom surface of the bottom accommodation portion <NUM>. The bottom body <NUM> may be disposed below the bottom plate <NUM> to face the bottom plate <NUM>, and disposed to be spaced apart from the bottom plate <NUM> by a predetermined distance.

The first side body <NUM> may define a shape of a right surface of the bottom accommodation portion <NUM>. The first side body <NUM> may connect the bottom body <NUM> to the bottom plate <NUM> at the right side of the bottom body <NUM> and the bottom plate <NUM>. That is, the first side body <NUM> may connect the right side of the bottom body <NUM> to the right side of the bottom plate <NUM>.

The second side body <NUM> may define a shape of a left surface of the bottom accommodation portion <NUM>. The second side body <NUM> may connect the bottom body <NUM> to the bottom plate <NUM> at the left side of the bottom body <NUM> and the bottom plate <NUM>. That is, the first side body <NUM> may connect the left side of the bottom body <NUM> to the left side of the bottom plate <NUM>. The second side body <NUM> may face the first side body <NUM>.

The third side body <NUM> may define a front shape of the bottom accommodation portion <NUM>. The third side body <NUM> may connect the bottom body <NUM>, the bottom plate <NUM>, the first side body <NUM>, and the second side body <NUM>, at its front surface.

A box <NUM> having a predetermined accommodation space is inserted into the accommodation space of the bottom accommodation portion <NUM>. The box <NUM> is provided in the accommodation space of the bottom accommodation portion <NUM> so as to be inserted and discharged along the forward-rearward direction.

The accommodation space of the box <NUM> accommodates the components. The components may include an electronic component for applying electric power and/or signals to the electronic component disposed on the rear surface of the PCB plate <NUM>. For example, the component may include a power supply <NUM> that supplies power to the power distributor <NUM> disposed on the rear surface of the PCB plate <NUM>. Although described later, the electronic component disposed in the box <NUM> and the electronic component disposed on the rear surface of the PCB plate <NUM> may be electrically connected through one or more cables <NUM> (see <FIG>). In addition, the component may include a heat dissipation component for discharging heat generated in an environment inside the box <NUM> to the outside. For example, the heating component may include one or more fans <NUM>.

The box <NUM> may be slidably inserted into the accommodation space of the bottom accommodation portion <NUM>. To this end, the display device <NUM> may include guide rails <NUM> and <NUM> and sliders <NUM> and <NUM>, that are fastened to the guide rails <NUM> and <NUM> and are slidably provided. The guide rails <NUM> and <NUM> may provide a moving path through which the sliders <NUM> and <NUM> can move along the forward-rearward direction.

The guide rails <NUM> and <NUM> may be disposed inside the bottom accommodation portion <NUM> at the left and right sides, respectively. For example, the guide rails <NUM> and <NUM> may include a first guide rail <NUM> and a second guide rail <NUM>. The first guide rail <NUM> may be fixed to the inside of the first side body <NUM>. The second guide rail <NUM> may be fixed to the inside of the second side body <NUM>.

The first side body <NUM> may provide an inner space for accommodating the first guide rail <NUM>. The second side body <NUM> may provide an inner space for accommodating the second guide rail <NUM>. The inner space may be opened toward the inside of the bottom accommodation portion <NUM>. For example, the first side body <NUM> and the second side body <NUM> may be formed in a "<IMG>"-shape and may respectively accommodate the first guide rail <NUM> and the second guide rail <NUM>.

The first side body <NUM> and the first guide rail <NUM> may be fixed to each other by a coupling structure of a convex portion and a concave portion. The first side body <NUM> and the first guide rail <NUM> may be fixed to each other by a first coupling structure and a second coupling structure for limiting movement in multiple directions.

For example, the first coupling structure may include a first convex portion 1712a formed on the first guide rail <NUM> and protruding toward the first side body <NUM>, and a first concave portion 1712b formed in the first side body <NUM> and into which the first convex portion 1712a is inserted. Here, a direction in which the first convex portion 1712a protrudes may be the left-right direction. Alternatively, although not shown, the first coupling structure may include a first convex portion 1712a formed on the first side body <NUM> and protruding toward the first guide rail <NUM>, and a first concave portion 1712b formed on the first guide rail <NUM> and into which the first convex portion 1712a is inserted.

The second coupling structure may include a second convex portion 1712c formed on the first side body <NUM> and protruding toward the first guide rail <NUM>, and a second concave portion 1712d formed on the first guide rail <NUM> and into which the second convex portion 1712c is inserted. Alternatively, the second coupling structure may include a second convex portion 1712c formed on the first guide rail <NUM> and protruding toward the first side body <NUM> and a second concave portion 1712c formed in the first side body <NUM> and into which the second convex portion 1712c is inserted. Here, the direction in which the second convex portion 1712c protrudes may be the up-down direction intersecting the direction in which the first convex portion 1712a protrudes.

A coupling structure of the second side body <NUM> and the second guide rail <NUM> may be the same as the coupling structure of the first side body <NUM> and the first guide rail <NUM>.

The sliders <NUM> and <NUM> may be disposed at the left and right sides outside the box <NUM>, respectively. For example, the sliders <NUM> and <NUM> may include a first slider <NUM> and a third slider <NUM>. The first slider <NUM> may be fixed to the outside of the box <NUM> so as to face the first guide rail <NUM>. The first slider <NUM> may be slidably fastened to the first guide rail <NUM>. The third slider <NUM> may be fixed to the outside of the box <NUM> so as to face the second guide rail <NUM>. The third slider <NUM> may be slidably fastened to the second guide rail <NUM>.

After the box <NUM> is inserted into the bottom accommodation portion <NUM>, the box <NUM> may be detachably fixed to the bottom accommodation portion <NUM>. To this end, the box <NUM> may further include a rear cover <NUM> disposed on the rear surface. The rear cover <NUM> may be fixed to the rear of the box <NUM>. The rear cover <NUM> may cover the rear surface of the box <NUM>, and may further extend in the left-right direction and cover at least a portion of the rear surface of the bottom accommodation portion <NUM>. The extended portion of the rear cover <NUM> and the bottom accommodation portion <NUM> may be fixed to each other through a fixing member such as a screw.

A support member <NUM> for supporting a load of an upper structure may be further provided on the third side body <NUM>. The support member <NUM> may be fixed inside the third side body <NUM>. The third side body <NUM> may provide an inner space for accommodating the support member <NUM>. The inner space may be opened toward the inside of the bottom accommodation portion <NUM>. For example, the third side body <NUM> may be formed in a "<IMG>"-shape to accommodate the support member <NUM>. For example, the support member <NUM> may have the same shape as the first guide rail <NUM> and the second guide rail <NUM>.

The third side body <NUM> and the support member <NUM> may be fixed to each other by a coupling structure of a convex portion and a concave portion. The third side body <NUM> and the support member <NUM> may be fixed to each other by a first coupling structure and a second coupling structure for limiting movement in multiple directions. The first coupling structure may be the same as the first coupling structure between the first side body <NUM> and the first guide rail <NUM>, and the second coupling structure may be the same as the second coupling structure between the second side body <NUM> and the second guide rail <NUM>.

The top plate <NUM> may further include a buffer member <NUM>. The buffer member <NUM> may be positioned on the upper surface of the top plate <NUM>. The buffer member <NUM> may support, the display panel <NUM> to which the case member is coupled, from below. In other words, the buffer member <NUM> may support the frame <NUM> from below. The buffer member <NUM> may be a rubber, but is not limited thereto.

The buffer member <NUM> may be disposed to extend long along the left-right direction as one body. Alternatively, the buffer member <NUM> may be divided into a plurality of bodies and disposed at a plurality of positions, and adjacent buffer members <NUM> may be disposed adjacent to each other along the left-right direction.

The buffer member <NUM> may be fixed to the upper surface of the top plate <NUM>. For example, as illustrated, a locking protrusion <NUM> protruding upward may be provided on the upper surface of the top plate <NUM>, and the buffer member <NUM> may be provided with a locking groove into which the locking protrusion <NUM> can be fitted. For another example, although not illustrated, a locking groove <NUM> extending along the left-right direction may be provided on the upper surface of the top plate <NUM>, and the buffer member <NUM> may be fitted into the locking groove <NUM>.

As the buffer member <NUM> fills the space between the top plate <NUM> and the display panel <NUM> to which the case members are coupled, the present invention can prevent a gap from being formed between the frame <NUM> and the top plate <NUM> due to the sagging of the central portion of the top plate <NUM> resulting from the load of the display panel <NUM> and the case members.

<FIG> illustrate a cable compartment included in a stand according to an embodiment of the present invention.

Referring to <FIG>, the stand <NUM> may include cable compartments <NUM>-<NUM> and <NUM>-<NUM>. The cable compartments <NUM>-<NUM> and <NUM>-<NUM> may accommodate cables <NUM> and <NUM> for transmitting power and/or signals to the electronic components disposed on the rear surface of the PCB plate <NUM>.

The top plate <NUM> may include one or more top accommodation portions 610a having an inner space that is opened rearward. A plurality of top accommodation portions 610a may be provided, if necessary or desired. The top plate <NUM> may include one or more top holes <NUM> open upward. The top hole <NUM> may open the top accommodation portion 610a toward the display panel <NUM> and/or the case member.

The first side plate <NUM> may include a first side accommodation portion 650a having an inner space opened rearward. The first side accommodation portion 650a may communicate with the top accommodation portion 610a. That is, the first side accommodation portion 650a and the top accommodation portion 610a may be connected to form one inner space.

The first side accommodation portion 650a may include a first side hole <NUM> opened toward the bottom accommodation portion <NUM>. The bottom accommodation portion <NUM> may include a bottom hole 712a opened toward the first side hole <NUM>. The bottom hole 712a may be formed in the first side body <NUM>. In addition, the box <NUM> inserted into the bottom accommodation portion <NUM> may include a box hole 800a opened toward the first side hole <NUM>.

The second side plate <NUM> may include a second side accommodation portion 670a having an inner space opened rearward. The second side accommodation portion 670a may communicate with the top accommodation portion 610a. That is, the second side accommodation portion 670a and the top accommodation portion 610a may be connected to form one inner space. The top accommodation portion 610a communicating with the second side accommodation portion 670a may be a separate accommodation portion distinguished from the top accommodation portion 610a communicating with the first side accommodation portion 650a.

The second side plate <NUM> may include a second side hole <NUM> opened toward the outside. It may be preferable that the second side hole <NUM> is opened downward and/or rearward.

The top accommodation portion 610a, the first side accommodation portion 650a, and the bottom accommodation portion <NUM> may constitute a first cable compartment <NUM>-<NUM>. The first cable compartment <NUM>-<NUM> may accommodate at least one cable <NUM> electrically connecting the electronic component disposed at the rear surface of the PCB plate <NUM> to the component accommodated in the box <NUM>. That is, the cable <NUM> may pass through the groove <NUM> of the back cover <NUM> and may be provided to the stand <NUM>. The cable <NUM> provided to the stand <NUM> may pass through the top hole <NUM> and extend to the top accommodation portion 610a and the first side accommodation portion 650a. The extended cable <NUM> may pass through the first side hole <NUM>, the bottom hole 712a, and the box hole 800a and may be connected to the component included in the bottom box <NUM>.

The top accommodation portion 610a and the second side accommodation portion 670a may constitute a second cable compartment <NUM>-<NUM>. The second cable compartment <NUM>-<NUM> may accommodate at least one cable <NUM> electrically connecting the electronic components disposed at the rear surface of the PCB plate <NUM> to external components and/or external power source. That is, the cable <NUM> may pass through the groove <NUM> of the back cover <NUM> and may be provided to the stand <NUM>. The cable <NUM> provided to the stand <NUM> may pass through the top hole <NUM> and extend to the top accommodation portion 610a and the second side accommodation portion 670a. The extended cable <NUM> may pass through the second side hole <NUM> and may be exposed to the outside.

The stand <NUM> may further include a cable cover <NUM> for opening and closing the cable compartment. The cable cover <NUM> may be detachably coupled to at least one of the top accommodation portion 610a, the first side accommodation portion 650a, and the second side accommodation portion 670a. The cable cover <NUM> may prevent the separation of the cable accommodated in the top accommodation portion 610a, the first side accommodation portion 650a, and the second side accommodation portion 670a.

For example, the cable cover <NUM> may be provided to close the inner space that is open toward the rear of the top accommodation portion 610a. The cable cover <NUM> may be fitted and coupled to the top accommodation portion 610a. To this end, the cable cover <NUM> may include fitting protrusions 901a and 901b, and the top accommodation portion 610a may include fitting grooves 903a and 903b provided inside and into which the fitting protrusions 901a and 901b are inserted. The fitting protrusions 901a and 901b may include a first fitting protrusion 901a protruding upward and a second fitting protrusion 901b protruding downward. The fitting grooves 903a and 903b may include a first fitting groove 903a into which the first fitting protrusion 901a is inserted and a second fitting groove 903b into which the second fitting protrusion 901b is inserted.

The cable cover <NUM> may be made of a material having a predetermined elasticity. The first fitting protrusion 901a and the second fitting protrusion 901b of the cable cover <NUM> may move upward along the inner surface of the top accommodation portion 610a, and then may be seated in the first fitting groove 903a and the second fitting groove 903b. In this case, the cable cover <NUM> may maintain a state seated in the top accommodation portion 610a unless a separate external force is provided.

<FIG> and <FIG> illustrate a heat dissipation structure according to an embodiment of the present invention.

Referring to <FIG> and <FIG>, the display device may further include a heat dissipation mechanism for dissipating heat generated in the components accommodated in the box <NUM> to the outside.

The box <NUM> may include an air inlet <NUM> serving as a path through which the air is introduced, and an air outlet <NUM> serving as a path through which the air is discharged. The air inlet <NUM> may include inlet slits 871a that are opened rearward. The air outlet <NUM> may include outlet slits 873a that are opened rearward. The inlet slits 871a may be positioned adjacent to one side (e.g., right side) of the box <NUM>, the outlet slits 873a may be positioned adjacent to the other side (e.g., left side) of the box <NUM>.

The heat dissipation mechanism may include one or more fans. The fan may be disposed adjacent to the outlet slits 873a of the air outlet <NUM> in the box <NUM>. The fan may form a difference between an internal air pressure and an external air pressure. As the external air pressure increases by the fan compared to the internal air pressure, the external air may be introduced into the box <NUM> through the air inlet <NUM>. The air introduced through the air inlet <NUM> may be discharged to the outside of the box <NUM> by the fan after cooling the components accommodated in the box <NUM>.

A plurality of fans may be provided. For example, the fan may include a first fan <NUM> and a second fan <NUM> disposed closer to the outlet slits 873a of the air outlet <NUM> than the first fan <NUM>.

Air vents 881a and 883a of the first fan <NUM> and the second fan <NUM> may have a predetermined discharge direction. A discharge direction of the fan may correspond to a direction in which the air vents 881a and 883a are opened. The discharge direction of the fan may be selected in consideration of air flow efficiency. To this end, a discharge direction of the first fan <NUM> and a discharge direction of the second fan <NUM> may be different from each other. The discharge direction of the first fan <NUM> may be tilted by a predetermined angle α from the discharge direction of the second fan <NUM>. For example, the discharge direction of the second fan <NUM> may be directed toward the outlet slits 873a. The discharge direction of the first fan <NUM> may be directed toward a direction tilted by the predetermined angle from the discharge direction of the second fan <NUM>. Here, the predetermined angle may be an acute angle or a right angle. The discharge direction of the first fan <NUM> may be directed toward the other side (e.g., left side) of the box <NUM>. If necessary, a duct for guiding the air flow path may be further provided considering the selected orientation direction.

<FIG> illustrate a sound reflector according to an embodiment of the present invention.

Referring to <NUM> to <NUM>, the display device may further include a sound reflector <NUM>. The sound reflector <NUM> may control a path of sound provided from the speaker <NUM>. That is, the sound reflector <NUM> changes a path of sound provided from the speaker <NUM> and may control the path so that the sound is directed to the front where a user is located. Thus, the display device according to an embodiment of the present invention has an advantage of providing a sound with high quality to the user by minimizing a sound loss.

The sound reflector <NUM> may be positioned on the lower surface of the top plate <NUM>. Sound generated by the speaker <NUM> disposed on the rear surface of the PCB plate <NUM> may be provided to the front by changing a path by the sound reflector <NUM> disposed on the lower surface of the top plate <NUM>. To reduce the sound loss, the top plate <NUM> may include a sound hole <NUM>. The sound hole <NUM> may overlap the speaker <NUM> in the up-down direction. The sound hole <NUM> may overlap the sound reflector <NUM> in the up-down direction.

The sound reflector <NUM> may include a fixing portion <NUM> and an inclined portion <NUM>.

The fixing portion <NUM> may be a portion fixed to the lower surface of the top plate <NUM>. The fixing portion <NUM> may be detachably coupled to the top plate <NUM>. For example, a magnet <NUM> and an auxiliary plate <NUM> detachably provided to the magnet <NUM> may be further included as a fixing mechanism for fixing the fixing portion <NUM> and the top plate <NUM>. The auxiliary plate <NUM> may be a ferromagnetic substance. The magnet <NUM> may be fixed to an upper surface of the fixing portion <NUM> through at least one fixing member. The auxiliary plate <NUM> may be fixed to the lower surface of the top plate <NUM> through at least one fixing member. The fixing member may be a screw, but is not limited thereto.

The inclined portion <NUM> extends from the fixing portion <NUM> and may have a shape inclined with respect to the fixing portion <NUM> by a predetermined angle. As the inclined portion <NUM> has a predetermined inclination, a distance between the inclined portion <NUM> and the top plate <NUM> may gradually increase as it goes from the rear to the front. The inclined portion <NUM> may overlap the sound hole <NUM> in the vertical direction. That is, the sound hole <NUM> exposes the inclined portion <NUM> positioned below the top plate <NUM>, but may be opened toward the speaker <NUM>. Thus, the sound provided from the speaker <NUM> may be transmitted to the user positioned at the front after the path is changed in the inclined portion <NUM> through the sound hole <NUM>.

Certain embodiments or other embodiments of the present invention described above are not mutually exclusive or distinct from each other. Any or all elements of the embodiments of the present invention described above may be combined or combined with each other in configuration or function.

Claim 1:
A display device comprising:
a display panel (<NUM>);
a frame (<NUM>) disposed behind the display panel (<NUM>) and coupled to the display panel (<NUM>);
an electronic component disposed behind the frame (<NUM>) and configured to transmit a predetermined electric power or signal to the display panel (<NUM>);
a back cover (<NUM>) disposed behind the frame (<NUM>) and configured to accommodate the electronic component; and
a stand (<NUM>) configured to support the frame (<NUM>) at a lower part of the display panel (<NUM>),
wherein the stand (<NUM>) comprises:
a top plate (<NUM>);
a bottom plate (<NUM>) disposed opposite the top plate (<NUM>) below the top plate (<NUM>) and spaced apart from the top plate (<NUM>);
a first side plate (<NUM>) configured to connect the top plate (<NUM>) to the bottom plate (<NUM>) at one side of the top plate (<NUM>) and the bottom plate (<NUM>); and
a second side plate (<NUM>) configured to connect the top plate (<NUM>) to the bottom plate (<NUM>) at other side of the top plate (<NUM>) and the bottom plate (<NUM>), the second side plate (<NUM>) being opposite to the first side plate (<NUM>);
a bottom accommodation portion (<NUM>) fixed to a lower part of the stand (<NUM>),
characterized in that the bottom accommodation portion (<NUM>) has an inner space that is opened rearward and is coupled to a lower part of the bottom plate (<NUM>); and
the display device further comprises a box (<NUM>) slidably inserted into the inner space, the box (<NUM>) having an accommodation space provided inside the box (<NUM>) and a component accommodated in the accommodation space.