DISPLAY DEVICE

The display device design addresses heat dissipation and sound quality issues in OLEDs by incorporating a frame, stand, and sound reflector, ensuring structural stability and high-quality sound reproduction.

DE112019006887B4Active Publication Date: 2025-04-24LG ELECTRONICS INC

Patent Information

Application Number
DE112019006887
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Priority Date
2019-06-24
Filing Date
2019-07-08
Publication Date
2025-04-24
Estimated Expiration
2039-07-08

AI Technical Summary

Technical Problem

Existing display devices face challenges in heat dissipation, sound quality, and structural stability, particularly in devices using organic light-emitting diodes (OLEDs), which require improved brackets and sound reproduction systems.

Method used

A display device design featuring a scoreboard with a frame, stand, and cover plate that includes guide plates, carrier heads, and a sound reflector to stabilize the structure, facilitate heat dissipation, and enhance sound path management.

Benefits of technology

The design effectively prevents deformation, ensures efficient heat removal, and provides high-quality sound by stabilizing the structure and optimizing sound pathways, enhancing the overall performance of OLED-based display devices.

✦ Generated by Eureka AI based on patent content.

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Abstract

Display device (10) which has: a scoreboard (100); a frame (300) coupled to the scoreboard (100) at the rear of the scoreboard (100); a stand (600) positioned below the display board (100), comprising a cover plate (610) provided with at least one support guide (611) projecting towards the frame (300); and a first guide plate (1611) which is attached to a rear side of the frame (300) and has a guide groove (1611a) into which the support guide (611) is inserted, the stand (600) comprises: a lower plate (630) which is positioned below the top plate (610) so that it faces the top plate (610) and is spaced away from the top plate (610); a first side plate (650) which connects the top plate (610) and the bottom plate (630) on one side of the top plate (610) and the bottom plate (630); a second side plate (670) which connects the top plate (610) and the bottom plate (630) on the other side of the top plate (610) and the bottom plate and faces the first side plate (650); and a lower recording part (700) which is coupled to a lower part of the lower plate (630) and provides a recording space.
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Description

Technical area

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

[0002] As the information society develops, the demand for display devices in various forms also increases, and in response to this, 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 researched and used.

[0003] Among them, a display device using an organic light-emitting diode (OLED) has advantages in that it has excellent luminescence characteristics and viewing angle characteristics compared with a liquid crystal display device and can be implemented in an ultra-thin form without the need for a backlight unit.

[0004] EP 1 318 445 A2 relates to a monitor comprising a main body and a base element supporting the main body. Coupling parts protrude from either the main body or the base element toward the other element, and an elastic support element provided in the other element elastically engages the coupling parts.

[0005] US 2016 0 135 311 A1 relates to a support device for a display, the support device comprising: two fastening parts, two support arms and a base. RevelationTechnical Problem

[0006] The object of the present disclosure is to provide a display device improved with regard to mounting and sound reproduction.

[0007] The invention is set forth in the appended claims. All references in the following description to embodiments, objects, aspects, and / or examples not covered by the appended claims are deemed not to be part of the present invention.

[0008] Another object may be to provide a display device with heat dissipation devices capable of smoothly dissipating heat generated by a component.

[0009] Another object may be to provide a display device capable of providing high quality sound by having a sound reflector capable of switching a sound path provided by a loudspeaker. Technical solution

[0010] To achieve the above and other objects, according to one aspect of the present disclosure, the present disclosure provides: a display panel; a frame coupled to the display panel at the rear side of the display panel; a stand positioned below the display panel, the stand comprising a top plate provided with at least one support guide projecting toward the frame; and a first guide plate fixed to a rear side of the frame and having a guide groove into which the support guide is inserted, the stand comprising: a bottom plate positioned below the top plate so as to face the top plate and be spaced apart from the top plate; a first side plate connecting the top plate and the bottom plate at one side of the top plate and the bottom plate;a second side plate connecting the top plate and the bottom plate on the other side of the top plate and the bottom plate and facing the first side plate; and a lower receiving portion coupled to a lower portion of the bottom plate and providing a receiving space.

[0011] Furthermore, according to another aspect of the present disclosure, the present disclosure may further include: a second guide plate fixed to a rear side of the frame; and a support head mounted on the cover plate and fixed to the second guide plate by a screw.

[0012] Furthermore, according to another aspect of the present disclosure, the carrier guide and the carrier head may be arranged adjacent to each other along a length direction of the display panel.

[0013] Furthermore, according to another aspect of the present disclosure, the present disclosure may further include: an electronic component positioned at a rear side of the frame and transmitting a predetermined power or a predetermined signal to the display panel; a back cover positioned at a rear side of the frame and accommodating the electronic component; and a rigid rod positioned between the frame and the back cover, wherein the rigid rod may include: a first body extending in a length direction of the display panel; and a plurality of second bodies extending from the first body in a direction perpendicular to an extension direction of the first body.

[0014] Furthermore, according to another aspect of the present disclosure, the second bodies may be spaced apart in the length direction of the display panel, and the electronic component may be arranged between the second bodies.

[0015] Furthermore, according to another aspect of the present disclosure, the present disclosure may further include a cable for transmitting the predetermined power or the predetermined signal to the electronic component, wherein the back cover may include: a groove provided by being partially recessed in the thickness of a rear surface and accommodating at least a part of the cable; and an open hole opening a portion of the groove, wherein the cable can pass through the open hole, or a connector connected to the cable can pass through the open hole.

[0016] Furthermore, according to another aspect of the present disclosure, the cover plate may include: an upper receiving part having a predetermined internal space opened rearward; and one or more upper holes opening at least a part of the upper receiving part toward the display panel, wherein at least one of the first and second side plates may have the predetermined internal space opened rearward and may include a side receiving part communicating with the upper receiving part, and wherein the cable may extend through the upper hole and be received in the upper receiving part and the side receiving part.

[0017] Furthermore, according to another aspect of the present disclosure, the present disclosure may further include a box slidably coupled into the receiving space of the lower receiving part, wherein the cable may extend from the side receiving part and may be received in the box.

[0018] Furthermore, according to another aspect of the present disclosure, the lower receiving part may include a lower hole through which the cable passes, and the box may include a box hole through which the cable passes.

[0019] Furthermore, according to another aspect of the present disclosure, the present disclosure may further include: a speaker positioned at a rear side of the frame; and a sound reflector positioned below the ceiling plate, wherein the sound reflector may include: a fixing part fixed to the ceiling plate; and an inclined part extending from the fixing part, wherein a gap between the inclined part and the ceiling plate gradually increases from a rear side to a front side, and wherein the ceiling plate may expose the inclined part and include a speaker hole opened toward the speaker.

[0020] Furthermore, according to another aspect of the present disclosure, the speaker and the speaker hole may overlap in a top-bottom direction.

[0021] Furthermore, according to another aspect of the present disclosure, the speaker hole and the inclined part may overlap in the vertical direction.

[0022] Furthermore, according to another aspect of the present disclosure, the present disclosure may further include: a magnet fixed to an upper surface of the fixing member; and an auxiliary plate fixed to a lower surface of the cover plate and made of ferromagnetic material, which is attached to the magnet.

[0023] Furthermore, according to another aspect of the present disclosure, the present disclosure may further include: a buffer member that holds the display panel from below, wherein the cover plate may include a locking projection that projects toward the display panel, and wherein the buffer member may be fitted to the locking projection. Beneficial results

[0024] According to at least one embodiment of the present disclosure, by providing a stand that can easily hold the display panel coupled to the housing member, it is possible to prevent damage due to deformation.

[0025] According to at least one embodiment of the present disclosure, a cable for applying power or signals to the display panel can be easily accommodated in the stand.

[0026] According to at least one embodiment of the present disclosure, it is possible to minimize heat-induced component damage by having a heat dissipation device capable of easily dissipating heat generated by the components.

[0027] According to at least one embodiment of the present disclosure, it is possible to provide high quality sound by providing a sound reflector capable of switching the sound path provided by the loudspeaker. Description of the drawings Fig. 1 and Fig. 2 are diagrams illustrating a display device according to an embodiment of the present disclosure. Fig. 3 is a diagram illustrating a method of combining a display panel and a housing member according to an embodiment of the present disclosure. Fig. 4 to 7 are diagrams illustrating a connection relationship between a display panel and a cable and a positional relationship between a cable and a housing member according to an embodiment of the present disclosure. Fig. 8 to 16 are diagrams illustrating a detailed configuration of a display device according to an embodiment of the present disclosure. Fig. 17 to 19 are diagrams illustrating a cable accommodation part provided in a stand according to an embodiment of the present disclosure. Fig. 20 and Fig. 21 are diagrams illustrating a heat dissipation structure according to an embodiment of the present disclosure. Fig. 22 to 24 are diagrams illustrating a sound reflector according to an embodiment of the present disclosure. Operation of the invention

[0028] Hereinafter, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings, but the same or similar elements are denoted by the same reference numerals regardless of the reference numerals, and their redundant description will be omitted.

[0029] The suffixes "module" and "part" for components used in the following description are assigned or mixed for the sake of simplicity of the specification and have no inherent meaning or role. Furthermore, when describing the embodiments disclosed in this specification, if it is determined that the detailed description of the related art is likely to obscure the spirit of the embodiment disclosed in this specification, the detailed description thereof will be omitted.Also, the accompanying drawings are merely for the purpose of easily understanding the embodiments disclosed in the present disclosure, and the technical idea disclosed in the present disclosure is not limited by the accompanying drawings; it should be understood that the present disclosure includes all modifications, equivalents, and substitutes included within the spirit and technical scope of the present disclosure.

[0030] Hereinafter, an organic light-emitting diode panel (hereinafter OLED panel) will be described as an example of a display panel, but the display panel applicable to the present disclosure is not limited to the OLED panel.

[0031] Fig. 1 and Fig. 2 are diagrams illustrating a display device according to an embodiment of the present disclosure. Fig. 3 is a diagram illustrating a method of combining a display panel and a housing member according to an embodiment of the present disclosure.

[0032] Referring to Fig. 1 and Fig. 2, a display panel 100 of a display device 10 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 a second short side SS2 opposite the first short side SS1.

[0033] Here, it is possible that the first short side region SS1 is referred to as a first side region, the second short side region SS2 is referred to as a second side region opposite to the first side region, the first long side region LS1 is referred to as a third side region adjacent to the first side region and the second side region and positioned between the first side region and the second side region, and the second long side region LS2 is referred to as a fourth side region adjacent to the first side region and the second side region and positioned between the first side region and the second side region and opposite to the third side region.

[0034] In addition, although for the sake of simplicity of description, 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, the lengths of the first and second long sides SL1 and LS2 may be approximately equal to the lengths of the first and second short sides SS1 and SS2.

[0035] In addition, hereinafter, a first direction DR1 may be a direction parallel to the long sides LS1 and LS2 of the display panel 100, and a second direction DR2 may be a direction parallel to the short sides SS1 and SS2 of the display panel 100.

[0036] The first direction DR1 may be parallel to the horizontal axis. The first direction DR1 may be referred to as a first horizontal axis. The second direction DR2 may be parallel to the 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.

[0037] A direction in which the display panel 100 displays an image may be referred to as a forward direction or a front surface. When the display panel 100 displays the image, a direction in which the image cannot be observed may be referred to as a backward direction or a rear surface. The third direction DR3 may be a front-to-rear direction.

[0038] When the display device 10 is viewed from the front direction or from the front surface, the first long side LS1 side may be referred to as a top side or an upper surface. Similarly, the second long side LS2 side may be referred to as a bottom side or a lower surface. Similarly, the first short side SS1 side may be referred to as a right side or right surface, and the second short side SS2 side may be referred to as a left side or a left surface.

[0039] A lateral side of the display device 10 may mean the upper surface and / or the lower surface and / or the right surface and / or the left surface of the display device 10.

[0040] In addition, 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. In addition, a point where the first long side LS1, the second long side LS2, the first short side SS1, and the second short side SS2 meet each other may be referred to as a corner. For example, a point where the first long side LS1 meets the first short side SS1 may be a first corner C1, a point where the first long side LS1 meets the second short side SS2 may be a second corner C2, a point where the second short side SS2 meets the second long side LS2 may be a third corner C3, and a point where the second long side LS2 meets the first short side SS1 may be a fourth corner C4.

[0041] Here, 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 a direction from the second long side LS2 to the first long side LS1 may be referred to as an up-down direction UD.

[0042] Referring to Fig. 2 and Fig. 3, the display panel 100 is provided on the front surface of the display device 10, and an image can be displayed. The display panel 100 can divide the image into a plurality of pixels and output the image according to the color, brightness, and chroma for each pixel. The display panel 100 can be divided into an active area where the image is displayed and an inactive area where the image is not displayed.

[0043] The display panel 100 may comprise an OLED panel. The display panel 100 may itself emit light. The display panel 100 may have a very thin thickness.

[0044] An inner plate 200 may be positioned on a rear side of the display panel 100. The inner plate 200 may be attached to a rear surface of the display panel 100. The inner plate 200 may be smaller than the display panel 100. The inner plate 200 may be coupled to the rear surface of the display panel 100 by double-sided adhesive tape or a magnet. The inner plate 200 may comprise a ferromagnetic material or a paramagnetic material.

[0045] The inner plate 200 can provide rigidity to the display panel 100. The inner plate 200 can absorb heat from the display panel 100 and emit the heat. The inner plate 200 can have high thermal conductivity. The inner plate 200 can comprise metal. For example, the inner plate 200 can comprise aluminum or an aluminum alloy.

[0046] A frame 300 may be positioned at a rear side of the inner panel 200. The frame 300 may provide an interior space. The frame 300 may accommodate the inner panel 200 and the display panel 100. The inner panel 200 and the display panel 100 may be positioned in the interior space formed in the frame 300. If necessary, the frame 300 may cover at least part of the side surfaces of the inner panel 200 and the display panel 100.

[0047] The frame 300 may include fibers to increase stiffness. For example, the frame 300 may include glass fiber and / or carbon fiber and / or a metallic wire and / or metallic fiber. The frame 300 may include microfibers.

[0048] A center housing 350 may be arranged to surround an edge of the display panel 100. The center housing 350 may have a frame shape with a center penetrating it to surround an outer edge of the display panel 100. The center housing 350 may support the edge of the display panel 100 at a rear side of the display panel 100. The frame 300 may sit on a rear surface of the center housing 350 and be secured to the center housing 350.

[0049] The center housing 350 may be formed of a synthetic resin such as plastic or a metallic material, but in addition to a predetermined strength, it is preferable that it be formed of aluminum or an aluminum alloy or stainless steel or galvanized steel in consideration of heat dissipation.

[0050] A rigid rod 380 may be positioned at a rear side of the frame 300. The rigid rod 380 may be in contact with a rear surface of the frame 300. The rigid rod 380 may provide rigidity to the frame 300 and / or the display panel 100. That is, the rigid rod 380 may be branched in multiple directions and may prevent bending deformation of the frame 300 or the like. The rigid rod 380 may be formed of a material such as, but not limited to, carbon fiber reinforced plastic (CFRP).

[0051] For example, the rigid rod 380 may include a first body 381 extending in the left-right direction of the display panel 100 and a second body 383 extending in the vertical direction, for example, in the up-down direction, from the first body 381. The first body 381 and the second body 383 may be formed as one body. That is, the second body 383 may be a branched part from the first body 381. Alternatively, the first body 381 and the second body 383 may be configured as separate bodies. The adjacent second bodies 383 may be positioned spaced apart by a predetermined distance. As described later, electronic components may be positioned between the adjacent second bodies, respectively. Both the first body 381 and the second body 383 may be configured as multiple parts.

[0052] A circuit board 400 may be positioned on the rear side of the frame 300. The circuit board 400 may be coupled to the rear surface of the frame 300. The circuit board 400 may be coupled to the frame 300. The circuit board 400 may be divided into multiple parts, each of which may be positioned between the adjacent second bodies 383.

[0053] A rear surface of the circuit board 400 can accommodate electronic components. For example, a power distribution board 410, a speaker 420, a timing board 430, a main board 440, and the like can be mounted on the rear surface of the circuit board 400. The rigid rod 380 can be arranged between the electronic components. Consequently, failures in which the electronic components are damaged due to deformation of the frame 300 by an external force can be effectively reduced.

[0054] The material of the circuit board 400 may be different from the material of the frame 300. For example, the circuit board 400 may comprise metal. For example, the circuit board 400 may be formed by a pressing process. The frame 300 and the circuit board 400 may be secured to each other by an adhesive element interposed between them, but this is not limited thereto.

[0055] A back cover 500 may be positioned on the rear side of the frame 300. The back cover 500 may be positioned on a rear side of the circuit board 400. The back cover 500 may be positioned to cover and protect the electronic component positioned on the circuit board 400. The back cover 500 may be secured to the frame 300 by at least one fastener. The fastener may be, but is not limited to, a screw.

[0056] The back cover 500 may include at least one groove 501 provided on an outer surface. The groove 501 may include one or more open holes 505 provided through the thickness of the back cover 500. The groove 501 may be a portion that houses a part of at least one cable 1501 and 1503 (see Fig. 17) and / or at least one connector 1500 (see Fig. 17). The open hole 505 may be configured to electrically connect an electronic component arranged outside the back cover 500 and an electronic component arranged inside the back cover 500. The connecting device connecting the electronic component arranged outside the back cover 500 and the electronic component arranged inside the back cover 500 may pass through the open hole 505. The cables 1501 and 1503 (see Fig. 17) can transmit external power and / or signals to the electronic components positioned on the circuit board 400. The connector 1500 can connect the cable 1501 (see Fig. 17) and the electronic component 400 positioned on the circuit board 400.

[0057] An auxiliary cover 550 may be positioned on a rear side of the back cover 500. The auxiliary cover 550 may be positioned to cover and protect components positioned on the groove 501. The auxiliary cover 550 may be secured to the back cover 500 by at least one fastener. The auxiliary cover 550 and the back cover 500 may be secured to each other by a fastening method using an eyelet, but are not limited thereto.

[0058] Fig. 4 to 7 are diagrams illustrating a connection relationship between a display panel and a cable and a positional relationship between a cable and a housing member according to an embodiment of the present disclosure.

[0059] Referring to Fig. 4, an element layer 117 may extend from one side of the display panel 100. For example, the element layer 117 may have a shape extending from the second long side LS2 of the display panel 100. Multiple element layers 117 may be provided. The element layer 117 may be electrically connected to the display panel 100. The element layer 117 may include a chip on film (COF), a chip on glass (COG), a flexible printed circuit board (FPCB), and / or a tape carrier package (TCP).

[0060] A source circuit board 172 may have a shape extending from the element layer 117. The source circuit board 172 may be electrically connected to the element layer 117. Multiple source circuit boards 172 may be provided.

[0061] A cable 190 may have a shape that extends from the source circuit board 172. The cable 190 may be electrically connected to the source circuit board 172. Multiple cables 190 may be provided.

[0062] The power and / or signal provided to cable 190 may be delivered to source circuit board 172. The power and / or signal provided to source circuit board 172 may be distributed to element layer 117. The power and / or signal distributed to element layer 117 may be delivered to display panel 110.

[0063] Referring to Fig. 5, the element layer 117 may be flexible. The element layer 117 may be curved toward the rear surface of the display panel 100. The source circuit board 172 connected to the element layer 117 may be positioned at the rear of the display panel 100. The cable 190 connected to the source circuit board 172 may be positioned at the rear of the display panel 100.

[0064] Referring to Fig. 6 and Fig. 7, the cable 190 may extend toward the rear of the frame 300. The cable 190 may pass through a lower portion of the inner panel 200 and extend through a slot 310 formed in the frame 300. One end of the cable 190 may pass through the slot 310 and be electrically connected to the electronic component positioned at the rear of the frame 300.

[0065] The inner plate 200 may have a smaller area than the display panel 100. Since the cable 190 can extend through a free space below the inner plate 200 in this case, separate processing of the inner plate 200 may not be necessary.

[0066] Fig. 8 to 16 are diagrams illustrating a detailed configuration of a display device according to an embodiment of the present disclosure.

[0067] Referring to Fig. 8 to 16, the display device 10 may include the display panel 100 and a stand 600 positioned below the display panel 100. The stand 600 may support the display panel 100, which is coupled to a housing member such as the inner panel 200, the frame 300, the center housing 350, the rear cover 500, and the auxiliary cover 550, from below.

[0068] The stand 600 may include a top plate 610, a bottom plate 630, a first side plate 650, and a second side plate 670. The stand 600 may have a housing shape that penetrates in the front-rear direction through a coupling structure of the bottom plate 630, the first side plate 650, and the second side plate 670.

[0069] The cover plate 610 may determine a shape of an upper surface of the stand 600. Supporting devices for supporting the display panel 100 may be arranged on the cover plate 610. The supporting devices may include a support guide 611 and a support head 612. The support guide 611 may be attached to a first guide plate 1611 positioned at the rear of the frame 300. The support head 612 may be attached to a second guide plate 1612 positioned at the rear of the frame 300.

[0070] The lower plate 630 may define a shape of a lower surface of the stand 600. The lower plate 630 may be positioned below the cover plate 610 so as to face the cover plate 610 and may be positioned so as to be spaced apart from the cover plate 610 by a predetermined distance.

[0071] The first side plate 650 may define a shape of a right surface of the stand 600. The first side plate 650 may connect the top plate 610 and the bottom plate 630 on the right side of the top plate 610 and the bottom plate 630. That is, the first side plate 650 may connect the right side of the top plate 610 and the right side of the bottom plate 630.

[0072] The second side plate 670 may define a shape of a left surface of the stand 600. The second side plate 670 may connect the top plate 610 and the bottom plate 630 on the left side of the top plate 610 and the bottom plate 630. That is, the second side plate 670 may connect the left side of the top plate 610 and the left side of the bottom plate 630. The second side plate 670 may face the first side plate 650.

[0073] The first side plate 650 and the second side plate 670 may be secured to the cover plate 610 by at least one screw. For example, a connecting bracket 680 may be inserted between the side plates 650 and 670, and the side plates 650 and 670 and the connecting bracket 680 may each be secured by screws. It is preferable that the screw be secured to a lower surface of the cover plate 610 so that the screw is not exposed from a top surface of the cover plate 610. The first side plate 650 and the second side plate 670 may be secured to the bottom plate 630 by at least one screw.

[0074] The cover plate 610 may include the support guide 611. The support guide 611 may have a shape that protrudes upward from the cover plate 610. A plurality of support guides 611 may be provided. The support guides 611 may be arranged along a length direction, for example, a left-right direction, of the display panel 100. Since it is possible to support the support panel 100 to which the housing member is coupled at a plurality of positions by providing the plurality of support guides 611, it is possible to effectively restrict and limit wobbling and warping of the display panel 100.

[0075] The first guide plate 1611 may be positioned at the rear of the frame 300. The number of first guide plates 1611 may correspond to the number of support guides 611. The first guide plate 1611 may be fixed to the frame 300 by a fastener such as a screw. Alternatively, the first guide plate 1611 may be fixed to the rigid rod by a fastener such as a screw. It may be desirable for the first guide plate 1611 to be formed on the rigid rod to prevent deformation of the frame 300.

[0076] The first guide plate 1611 may include a guide groove 1611a into which the support guide 611 is inserted. The guide groove 1611a may be open in a direction in which the support guide 611 extends. That is, the guide groove 1611a may penetrate upward. The left-right movement of the support guide 611 inserted into the guide groove 1611a may be limited. The up-down movement of the support guide 611 inserted into the guide groove 1611a may be unlimited.

[0077] The display device 10 may further include the support head 612. The support head 612 may be positioned on the upper surface of the cover plate 610. A plurality of support heads 612 may be provided. The support heads 612 may be arranged adjacent to each other along the longitudinal direction, for example, the left-right direction, of the display panel 100. Furthermore, the support heads 612 may be arranged adjacent to the support guide 611 along the left-right direction. The support head 612 may include a first hollow portion 612a. The first hollow portion 612a may be a part of the support head 612 that penetrates in the up-down direction. Threads of a female screw may be formed on the inner surface of the first hollow portion 612a.

[0078] The second guide plate 1612 may be positioned at the rear of the frame 300. The number of second guide plates 1612 may correspond to the number of support heads 612. The second guide plate 1612 may be secured to the frame 300 by a fastener, such as a screw. Alternatively, the second guide plate 1612 may be secured to the rigid rod by a fastener, such as a screw. It may be desirable for the second guide plate 1612 to be formed on the rigid rod to prevent deformation of the frame 300.

[0079] The second guide plate 1612 may include a second hollow portion 1612a. The second hollow portion 1612a may be a part of the second guide plate 1612 that penetrates in the up-down direction. Threads of a female screw may be formed on the inner surface of the second hollow portion 1612a.

[0080] The support head 612 and the second guide plate 1612 may be coupled by a screw 1613. The screw 1613 may be inserted into the first hollow portion 612a and the second hollow portion 1612a. Thus, the frame 300 and the stand 600 may be fixed to each other.

[0081] By distributing and providing a coupling structure of the support head 612 and the second guide plate 1612 at multiple positions on a front surface of the cover plate 610, it is possible to ensure a predetermined fastening force between the frame 300 and the cover plate 610. In this case, since the central portion of the cover plate 610 sags due to the load of the display panel 100 and the housing member, it is possible to prevent a defect in which the gap between the frame 300 and the cover plate 610 varies depending on the position.

[0082] The stand 600 may include a lower receiving part 700. The lower receiving part 700 may be positioned below the lower plate 630. The lower receiving part 700 may include a lower body 711, a first side body 712, a second side body 713, and a third side body 714. The lower receiving part 700 may provide a receiving space that is open to the rear through a coupling structure of the lower body 711, the first side body 712, the second side body 713, and the third side body 714.

[0083] The lower body 711 may define a shape of a lower surface of the lower receiving part 700. The lower body 711 may be positioned below the lower plate 630 so as to face the lower plate 630 and may be positioned so as to be spaced apart from the lower plate 630 by a predetermined distance.

[0084] The first side body 712 may define a shape of a right surface of the lower receiving part 700. The first side body 712 may connect the lower body 711 and the lower plate 630 on the right side of the lower body 711 and the lower plate 630. That is, the first side body 712 may connect the right side of the lower body 711 and the right side of the lower plate 630.

[0085] The second side body 713 may define a shape of a left surface of the lower receiving part 700. The second side body 713 may connect the lower body 711 and the lower plate 630 on the left side of the lower body 711 and the lower plate 630. That is, the first side body 712 may connect the left side of the lower body 711 and the left side of the lower plate 630. The second side body 713 may face the first side body 712.

[0086] The third side body 714 may define a front shape of the lower receiving part 700. The third side body 714 may connect the lower body 711, the lower plate 630, the first side body 712, and the second side body 713 from the front surface.

[0087] A box 800 having a predetermined receiving space can be inserted into the receiving space of the lower receiving part 700. The box 800 can be provided in the receiving space of the lower receiving part 700 to be inserted and removed along the front-to-rear direction.

[0088] The receiving space of the box 800 can accommodate components. The components can include an electronic component for applying power and / or a signal to the electronic component arranged on the rear surface of the circuit board 400. For example, the component can include a power supply 820 that supplies power to the power distributor 410 arranged on the rear surface of the circuit board 400. Although described later, the electronic component arranged in the box 800 and the electronic component arranged on the rear surface of the circuit board 400 can be electrically connected by one or more cables 1501 (see Fig. 17). Furthermore, the component may include a heat dissipation component for dissipating heat generated in the environment inside the box 800 to the outside. For example, the heating component may include one or more fans 880.

[0089] The box 800 can be slidably inserted into the receiving space of the lower receiving part 700. For this purpose, the display device 10 may include guide rails 721 and 723 and sliders 851 and 853 attached to the guide rails 721 and 723 to be slidably provided. The guide rails 721 and 723 may provide a movement path through which the sliders 851 and 853 can move along the front-to-back direction.

[0090] The guide rails 721 and 723 may be positioned in the left and right directions inside the lower receiving part 700, respectively. For example, the guide rails 721 and 723 may include a first guide rail 721 and a second guide rail 723. The first guide rail 721 may be fixed to the interior of the first side body 712. The second guide rail 723 may be fixed to the interior of the second side body 713.

[0091] The first side body 712 may provide an internal space for receiving the first guide rail 721. The second side body 713 may provide an internal space for receiving the second guide rail 723. The internal space may be open toward the interior of the lower receiving part 700. For example, the first side body 712 and the second side body are formed in a "⊏" shape to respectively receive the first guide rail 721 and the second guide rail 723 inside.

[0092] The first side body 712 and the first guide rail 721 may be secured to each other by a coupling structure comprising a convex portion and a concave portion. The first side body 712 and the first guide rail 721 may be secured to each other by a first coupling structure and a second coupling structure for limiting movement in multiple directions.

[0093] For example, the first coupling structure may include a first convex portion 1712a formed on the first guide rail 721 and protruding toward the first side body 712, and a first concave portion 1712b formed in the first side body 712 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 712 and protruding toward the first guide rail 721, and a first concave portion 1712b formed on the first guide rail 721 and into which the first convex portion 1712a is inserted.

[0094] The second coupling structure may include a second convex portion 1712c formed on the first side body 712 and protruding toward the first guide rail 721, and a second concave portion 1712d formed on the first guide rail 721 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 721 and protruding toward the first side body 712, and a second concave portion 1712c formed in the first side body 712 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 convex portion 1712a protrudes.

[0095] A coupling structure of the second side body 713 and the second guide rail 723 may be the same as the coupling structure of the first side body 712 and the first guide rail 721.

[0096] The sliders 851 and 852 may be positioned outside the box 800 in the left-right directions, respectively. For example, the sliders 851 and 853 may include a first slider 851 and a third slider 853. The first slider 851 may be attached to the exterior of the box 800 so that it faces the first guide rail 721. The first slider 851 may be slidably attached to the first guide rail 721. The third slider 853 may be attached to the exterior of the box 800 so that it faces the second guide rail 723. The third slider 853 may be slidably attached to the second guide rail 723.

[0097] After the box 800 is inserted into the lower receiving part 700, the box 800 can be removably attached to the lower receiving part 700. For this purpose, the box 800 can further include a rear cover 803 disposed on the rear surface. The rear cover 803 can be attached to the rear side of the box 800. The rear cover 803 covers the rear surface of the box 800 and further extends in the left and right directions to cover at least a portion of the rear surface of the lower receiving part 700. The extension part of the rear cover 803 and the lower receiving part 700 can be fastened to each other by a fastening member, such as a screw.

[0098] A support member 750 for supporting a load of an upper structure may be further provided on the third side body 714. The support member 750 may be fixed inside the third side body 714. The third side body 714 may provide an internal space for receiving the support member 750. The internal space may be open toward the inside of the lower receiving part 700. For example, the third side body 714 may be formed in a "⊏" shape to accommodate the support member 750 inside. For example, the support member 750 may have the same shape as the first guide rail 721 and the second guide rail 723.

[0099] The third side body 714 and the support member 750 may be secured to each other by a coupling structure comprising a convex portion and a concave portion. The third side body 714 and the support member 750 may be secured 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 712 and the first guide rail 721, and the second coupling structure may be the same as the second coupling structure between the second side body 713 and the second guide rail 723.

[0100] The cover plate 610 may further include a buffer element 620. The buffer element 620 may be positioned on the upper surface of the cover plate 610. The buffer element 620 may support the display panel 100 to which the housing element is coupled from below. In other words, the buffer element 620 may support the frame 300 from below. The buffer element 620 may be rubber, but is not limited thereto.

[0101] The buffer element 620 may be arranged so that it extends as a single body along the left and right directions. Alternatively, the buffer element 620 may be divided into multiple bodies and arranged at multiple positions, and adjacent buffer elements 620 may be arranged adjacent to each other along the left and right directions.

[0102] The buffer member 620 may be fixed to the upper surface of the cover plate 610. For example, as shown, a locking protrusion 615 projecting upward may be provided on the upper surface of the cover plate 610, and the buffer member 620 may be provided with a locking groove into which the locking protrusion 615 can be fitted. As another example, although not shown, a locking groove 625 extending along the left and right directions may be provided on the upper surface of the cover plate 610, and the buffer member 620 may be fitted into the locking groove 625.

[0103] Therefore, since the buffer member 620 fills the space between the cover plate 610 and the display panel 100 to which the housing member is coupled, it is possible to prevent a gap from being formed between the frame 300 and the cover plate 610 due to the sagging of the central portion of the cover plate 610 by the load of the display panel 100 and the housing member.

[0104] Fig. 17 to 19 are diagrams illustrating a cable accommodation part provided in a stand according to an embodiment of the present disclosure.

[0105] Referring to Fig. 17 to 19, the stand 600 may include cable receiving portions 1000-1 and 1000-2. The cable receiving portions 1000-1 and 1000-2 may receive cables 1501 and 1503 for transmitting power and / or signals to the electronic components disposed on the rear surface of the circuit board 400.

[0106] The cover plate 610 may include one or more upper receiving portions 610a with a rearwardly open interior. A plurality of upper receiving portions 610a may be provided as needed. The cover plate 610 may include one or more upper holes 613 that are open upwardly. The upper hole 613 may open the upper receiving portion 610a toward the display panel 100 and / or the housing member.

[0107] The first side plate 650 may include a first side receiving portion 650a with a rearwardly open interior space. The first side receiving portion 650a may be connected to the upper receiving portion 610a. That is, the first side receiving portion 650a and the upper receiving portion 610a may be connected to form an interior space.

[0108] The first side receiving part 650a may include a first side hole 651 open toward the lower receiving part 700. The lower receiving part 700 may include a lower hole 712a open toward the first side hole 651. The lower hole 712a may be formed in the first side body 712. Furthermore, the box 800 inserted into the lower receiving part 700 may include a box hole 800a open toward the first side hole 651.

[0109] The second side plate 670 may include a second side receiving portion 670a with a rearwardly open interior space. The second side receiving portion 670a may communicate with the upper receiving portion 610a. That is, the second side receiving portion 670a and the upper receiving portion 610a may be connected to form an interior space. The upper receiving portion 610a, which communicates with the second side receiving portion 670a, may be a separate receiving portion separate from the upper receiving portion 610a, which communicates with the first side receiving portion 650a.

[0110] The second side plate 670 may include a second side hole 671 that opens toward the outside. The second side hole 671 may preferably open downward and / or rearward.

[0111] The upper receiving part 610a, the first side receiving part 650a, and the lower receiving part 700 may form a first cable receiving part 1000-1. The first cable receiving part 1000-1 may receive at least one cable 1501 that electrically connects the electronic component arranged on the rear surface of the circuit board 400 and the component housed in the box 800. That is, the cable 1501 may pass through the groove 501 of the rear cover 500 and be provided on the stand 600. The cable 1501 provided on the stand 600 may pass through the upper hole 613 and extend to the upper receiving part 610a and the first side receiving part 650a. The extending cable 1501 can pass through the first side hole 651, the lower hole 712a and the box hole 800a to be connected to the component provided in the lower box 800.

[0112] The upper receiving part 610a and the second side receiving part 670a may form a second cable receiving part 1000-2. The second cable receiving part 1000-2 may receive at least one cable 1503 that electrically connects the electronic components arranged on the rear surface of the circuit board 400 and external components and / or power. That is, the cable 1503 may pass through the groove 501 of the back cover 500 and be provided on the stand 600. The cable 1503 provided on the stand 600 may pass through the upper hole 613 and extend to the upper receiving part 610a and the second side receiving part 670a. The extending cable 1503 may pass through the second side hole 671 and be exposed to the outside.

[0113] The stand 600 may further include a cable cover 900 for opening and closing the cable receiving portion. The cable cover 900 may be detachably connected to the upper receiving portion 610a and / or the first side receiving portion 650a and / or the second side receiving portion 670a. The cable cover 900 may prevent the cable received in the upper receiving portion 610a, the first side receiving portion 650a, and the second side receiving portion 670a from being disconnected.

[0114] For example, the cable cover 900 may be provided to close the internal space open toward the rear side of the upper receiving part 610a. The cable cover 900 may be fitted and coupled to the upper receiving part 610a. For this purpose, the cable cover 900 may include fitting protrusions 901a and 901b, and the upper receiving part 610a may include fitting grooves 903a and 903b provided inside, 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 projection 901a is inserted, and a second fitting groove 903b into which the second fitting projection 901b is inserted.

[0115] The cable cover 900 can be made of a material with a predetermined elasticity. The first fitting protrusion 901a and the second fitting protrusion 901b of the cable cover 900 can move along the inner surface of the lower receiving part 610a and can then be seated in the first fitting groove 903a and the second fitting groove 903b. In this case, the cable cover 900 can maintain a state in which it is seated in the upper receiving part 610a when no separate external force is applied.

[0116] Fig. 20 and Fig. 21 are diagrams illustrating a heat dissipation structure according to an embodiment of the present disclosure.

[0117] Referring to Fig. 20 and Fig. 21, the display device may further comprise a heat dissipation device for dissipating heat generated by components accommodated in the box 800 to the outside.

[0118] The box 800 may include an air inlet 871 serving as a path through which air is introduced, and an air outlet 873 serving as a path through which the air is discharged. The air inlet 871 may include rear-opening inlet slots 871. The air outlet 873 may include rear-opening outlet slots 873a. The inlet slots 871a may be positioned adjacent to one side (e.g., right side) of the box 800, and the outlet slots 873a may be positioned adjacent to the other side (e.g., left side) of the box 800.

[0119] The heat dissipation devices may include one or more fans 880. The fan 880 may be arranged adjacent to the outlet slots 873a of the air outlet 873 in the box 800. The fan 880 may create a difference between an internal air pressure and an external air pressure. When the external air pressure is increased by the fan 880 compared to the internal air pressure, the external air may be introduced into the box 800 through the air inlet 871. The air introduced through the air inlet 871 may be discharged to the outside by the fan 880 after cooling the components housed in the box 800.

[0120] Multiple fans 880 may be configured. For example, fan 880 may include a first fan 881 and a second fan 883 positioned closer to the outlet slots 873a of air outlet 873 than the first fan 881.

[0121] Vents 881a and 883a of the first fan 881 and the second fan 883 may have a predetermined discharge direction. A discharge direction of the fan 880 may correspond to a direction in which the vents 881a and 883a are opened. The discharge direction of the fan 880 may be selected taking airflow efficiency into account. For this purpose, a discharge direction of the first fan 881 and a discharge direction of the second fan 883 may be different. The discharge direction of the first fan 881 may be inclined by a predetermined angle α from the discharge direction of the second fan 883. For example, the discharge direction of the second fan 883 may be directed toward the outlet slots 873a. The discharge direction of the first fan 881 may be directed in a direction inclined by the predetermined angle from the discharge direction of the second fan 883.Here, the specified angle can be an acute angle or a right angle. The discharge direction of the first fan 881 can be directed toward the other side (e.g., a left side) of the box 800. If necessary, a duct for guiding the air flow path can be further provided, taking into account the selected orientation direction.

[0122] Fig. 22 to 24 are diagrams illustrating a sound reflector according to an embodiment of the present disclosure.

[0123] Referring to FIGS. 22 to 24, the display device may further include a sound reflector 950. The sound reflector 950 may be a means for controlling a sound path of sound provided by the speaker 420. That is, the sound reflector 950 switches a sound path provided by the speaker 420 and may control the path so that the sound is directed toward the front where a user is located. Thus, the display device according to an exemplary embodiment of the present disclosure has an advantage of minimizing sound loss and providing high sound quality to the user.

[0124] The sound reflector 950 may be positioned on the bottom surface of the cover plate 610. Sound generated by the speaker 420 disposed on the rear surface of the circuit board 400 may be provided to the front by changing a path through the sound reflector 950 disposed on the bottom surface of the cover plate 610. To reduce sound loss, the cover plate 610 may include a sound hole 617. The sound hole 617 may overlap with the speaker 420 in the top-bottom direction. The sound hole 617 may overlap with the sound reflector 950 in the top-bottom direction.

[0125] The sound reflector 950 may include a fixing portion 951 and an inclined portion 953.

[0126] The fixing part 951 may be a part fixed to the lower surface of the cover plate 610. The fixing part 951 may be detachably coupled to the cover plate 610. For example, as a fixing means for fixing the fixing part 951 and the cover plate 610, a magnet 910 and an auxiliary plate 920 detachably provided on the magnet 910 may be included. The auxiliary plate 920 may be a ferromagnetic substance. The magnet 910 may be fixed to an upper surface of the fixing part 951 by at least one fixing member. The auxiliary plate 920 may be fixed to the lower surface of the cover plate 610 by at least one fixing member. The fixing member may be a screw, but is not limited thereto.

[0127] The inclined part 953 extends from the fixing part 951 and may have a shape inclined at a predetermined angle with respect to the fixing part 951. Since the inclined part 953 has a predetermined inclination, a distance between the inclined part 953 and the cover plate 610 may gradually increase from back to front. The inclined part 953 may overlap with the sound hole 617 in the vertical direction. That is, the sound hole 617 exposes the inclined part 953 positioned below the cover plate 610 but may be open toward the speaker 420. Accordingly, sound provided from the speaker 420 may be transmitted to the user located in front after the path in the inclined part 953 is changed by the sound hole 617.

[0128] Certain embodiments or other embodiments of the invention described above are not mutually exclusive or indistinguishable from one another. Any or all elements of the above-described embodiments of the invention may be combined or combined with one another in configuration or function.

[0129] For example, a configuration "A" described in one embodiment of the invention and the drawings and a configuration "B" described in another embodiment of the invention and the drawings may be combined with each other. Although the combination between the configurations is not directly described, the combination is possible except for the case where it is described that the combination is impossible.

[0130] Although embodiments have been described with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments may be devised by those skilled in the art that fall within the scope of the principles of this disclosure. In particular, numerous variations and modifications in the component parts and / or arrangements of the subject combination assembly are possible within the scope of the disclosure, the drawings, and the appended claims. In addition to variations and modifications in the component parts and / or arrangements, alternative uses will also be apparent to those skilled in the art.

Claims

[1] Display device (10) comprising: a scoreboard (100); a frame (300) coupled to the display panel (100) at the rear side of the display panel (100); a stand (600) positioned under the display panel (100) and comprising a cover plate (610) provided with at least one support guide (611) projecting toward the frame (300); and a first guide plate (1611) fixed to a rear side of the frame (300) and having a guide groove (1611a) into which the carrier guide (611) is inserted, wherein the stand (600) comprises: a lower plate (630) positioned below the cover plate (610) so as to face the cover plate (610) and to be spaced apart from the cover plate (610); a first side plate (650) connecting the cover plate (610) and the bottom plate (630) at one side of the cover plate (610) and the bottom plate (630); a second side plate (670) connecting the cover plate (610) and the bottom plate (630) on the other side of the cover plate (610) and the bottom plate and facing the first side plate (650); and a lower receiving part (700) coupled to a lower part of the lower plate (630) and providing a receiving space. [2] Display device (10) according to claim 1, further comprising: a second guide plate (1612) attached to a rear side of the frame (300); and a support head (612) mounted on the cover plate (610) and secured to the second guide plate (1621) by a screw. [3] The display device (10) according to claim 2, wherein the support guide (611) and the support head (612) are arranged adjacent to each other along a length direction of the display panel (100). [4] Display device (10) according to claim 1, further comprising: an electronic component positioned at a rear side of the frame (300) and transmitting a predetermined power or signal to the display panel (100); a back cover (500) positioned on a rear side of the frame (300) and accommodating the electronic component; and a rigid rod (380) positioned between the frame (300) and the rear cover (500), wherein the rigid rod (380) comprises: a first body (381) extending in a length direction of the display panel (100); and a plurality of second bodies (383) extending from the first body (381) in a direction perpendicular to an extension direction of the first body (381). [5] The display device (10) according to claim 4, wherein the second bodies (383) are spaced apart in the length direction of the display panel (100), and the electronic component is arranged between the second bodies (383). [6] Display device (10) according to claim 4, further comprising: a cable for transmitting the specified power or signal to the electronic component, wherein the back cover (500) comprises: a groove (501) provided by being partially recessed in the thickness of a rear surface and receiving at least a portion of the cable; and an open hole opening a portion of the groove (501), where the cable passes through the open hole, or a connector connected to the cable passes through the open hole. [7] The display device (10) according to claim 6, wherein the cover plate (610) comprises: an upper receiving part (610a) with a predetermined interior space which is open to the rear; and one or more upper holes opening at least a part of the upper receiving part (610a) towards the display panel (100), wherein at least one of the first and second side plates has the predetermined interior space which is open to the rear and comprises a side receiving part which is connected to the upper receiving part (610a), and wherein the cable extends through the upper hole and is received in the upper receiving part (610a) and the side receiving part. [8] Display device (10) according to claim 7, further comprising: a box slidably coupled into the receiving space of the lower receiving part (700), wherein the cable extends from the side receiving part and is received in the box. [9] The display device (10) of claim 8, wherein the lower receiving part (700) comprises a lower hole through which the cable passes, and wherein the box comprises a box hole through which the cable passes. [10] Display device (10) according to claim 1, further comprising: a loudspeaker (420) positioned on a rear side of the frame (300); and a sound reflector (950) positioned below the cover plate (610), wherein the sound reflector (950) comprises: a fastening part attached to the cover plate (610); and an inclined part extending from the fastening part, wherein a gap between the inclined part and the cover plate (610) gradually increases from a rear side to a front side, and wherein the cover plate (610) exposes the inclined part and includes a speaker hole opened toward the speaker (420). [11] The display device (10) according to claim 10, wherein the speaker (420) and the speaker hole overlap in the vertical direction. [12] The display device (10) according to claim 10, wherein the speaker hole and the inclined part overlap in the vertical direction. [13] Display device (10) according to claim 10, further comprising: a magnet attached to an upper surface of the mounting member; and an auxiliary plate fixed to a lower surface of the cover plate (610) and made of ferromagnetic material, which is attached to the magnet. [14] Display device (10) according to claim 1, further comprising: a buffer element (620) which holds the display panel (100) from below, wherein the cover plate (610) comprises a locking projection (615) projecting toward the display panel, and wherein the buffer element (620) is fitted to the locking projection (615).

Citation Information

Patent Citations

  • Monitor

    EP1318445A2

  • Supporting device and supporting assembly

    US20160135311A1

Cited By

  • Display device

    DE112020003398T5