JP2010068338A - Display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display device configured such that, even when a relatively large support has a substantially flat-plate shape, a plate of the support allows an increase in coefficient of bending elasticity and enables a speaker mounting part to be made high in rigidity. <P>SOLUTION: A base plate supporting a circuit board 40 is mounted with two reinforcing beams 6 and 6 reinforcing the base plate at isolated positions, and the substantially rectangular plate 23a of the support 23 having the plate 23a supporting a light source on one surface is mounted with two second reinforcing beams 8 and 8 reinforcing the plate 23a at isolated positions. Both edges of the base plate are fit to the two second reinforcing beams 8 and 8, a coupling body 7 coupled to one-ends of the reinforcing beams 6 and 6 is provided, and a speaker 3 is mounted to the coupling body 7, so that the rigidity of the speaker mounting part is enhanced by the reinforcing beams 6 and coupling body 7. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a display device such as a liquid crystal display device.

A thin display device such as a liquid crystal television has a display unit having a display surface on the front side, a light source unit installed on the rear side of the display unit, and a bridge between the upper and lower edges of the rear surface of the light source unit. An aluminum die-cast frame that is fixed and reinforces the chassis of the light source unit, and a stand is attached to the lower end of the frame, and a wall hanging tool is attached to the center of the frame (for example, Patent Documents) 1).
JP 2005-352332 A

  By the way, display devices such as televisions are becoming thinner and larger. A reduction in the thickness of the display device can be achieved by providing the light source section with a light emitting diode substrate having a light emitting diode and a support that supports the light emitting diode substrate. However, in this display device, since the support is substantially flat, the bending strength of the support is insufficient, and the rigidity of the display device is insufficient.

  In order to increase the bending strength of the flat support, it is conceivable to attach an aluminum die-cast frame to the support as in Patent Document 1.

  However, the frame of Patent Document 1 is made of aluminum die-casting, and this frame is fixed in a spanning manner between the upper and lower edges of the rear surface of the light source unit. Since the frame itself is large, the display device The thickness of the film becomes relatively thick, which hinders thinning.

  The present invention has been made in view of such circumstances, and a main object of the present invention is to provide two reinforcing rods that are attached to and separated from a substantially rectangular plate portion of a support that supports the light source on one side and reinforces the plate portion. And a structure coupled to one end of each of the reinforcing rods and a speaker attached to the coupled body, so that even when a relatively large support has a substantially flat plate shape, An object of the present invention is to provide a display device that can increase the flexural modulus of the plate portion of the support and can increase the rigidity of the speaker mounting portion.

  A display device according to the present invention includes a display unit having a display surface on the front side, a light source disposed on the rear side of the display unit, and a support body having a substantially rectangular plate that supports the light source. 2, two reinforcing rods that are separately attached to the plate portion to reinforce the plate portion, a combined body that is coupled to one end of each of the reinforcing rods, and a speaker that is attached to the combined body. It is characterized by.

  In the present invention, the joined body coupled to the end portions of the two reinforcing rods is integrated with each of the reinforcing rods, and the reinforcing rod integrated with the combined body is attached to the other surface of the plate portion. Therefore, the bending elastic modulus of the plate portion can be increased by the reinforcing rod and the combined body, and the rigidity of the support body can be increased even if the relatively large support body is substantially flat. In addition, the combined body that connects the ends of the reinforcing rods also serves as a speaker mounting, and the combined body and the reinforcing rods increase the rigidity of the speaker mounting portion in the support body, so that the durability of the speaker mounting portion is increased. be able to.

  In addition, the display device according to the present invention includes a display unit having a display surface on the front side, a light source disposed on the rear side of the display unit, and a support body having a substantially rectangular plate unit that supports the light source on one surface. The display device includes a base plate that supports the circuit board and is supported on the other surface of the plate portion, and a speaker that is disposed on the lower side or the lateral side of the display portion. Two reinforcing rods that reinforce the base plate are attached, and on the other surface of the plate portion, two second reinforcing rods that reinforce the plate portion at a spaced position are attached, and the two second reinforcing rods are attached. (2) Both edges of the base plate are attached to a reinforcing rod, and a coupling body coupled to one end of each of the reinforcing rods is provided, and the speaker is mounted on the coupling body.

  In the present invention, the joined body coupled to the ends of the two reinforcing rods is integrated with each of the reinforcing rods, and the combined reinforcement and the integrally formed reinforcing rod are integrated with the base plate. Is attached to the other surface of the plate portion, the bending elastic modulus of the plate portion can be increased by the base plate, the reinforcing rod and the combined body, and even if a relatively large support becomes a flat plate, The rigidity of the support can be increased. In addition, the combined body that connects the ends of the reinforcing rods also serves as a speaker attachment, and the rigidity of the speaker mounting portion in the support is enhanced by the base plate, the combined body, and the reinforcing rods. The sex can be further enhanced.

In the display device according to the present invention, the combined body connects two columnar convex portions coupled to one end portion of each of the reinforcing rods, and ends of the columnar convex portions, and the speaker is It is preferable to have a structure having a connecting collar portion to be attached.
In this invention, since the columnar convex portions can be combined and bonded to the end portions of the reinforcing rods, the bonding strength of the combined body with the reinforcing rods can be increased, Since the speaker can be arranged on the inner side of the periphery of the support body, even when the speaker is mounted in the later assembly process of the display device, the combined body can be prevented from becoming an obstacle, and the assembly workability can be improved. it can.

In the display device according to the present invention, it is preferable that the speaker has a mounted protrusion that protrudes from a part of the outer surface to the outside and is attached to the connecting flange.
According to the present invention, even when the combined body is attached to the inner side of the periphery of the support body, the speaker can be easily attached to the combined body in a state of being arranged outside the peripheral edge of the support body. .

In the display device according to the present invention, it is preferable that the plate portion is coupled to an end portion of the second reinforcement rod and a third reinforcement rod for reinforcing the plate portion is attached.
In the present invention, the third reinforcing rods are coupled to the end portions of the two second reinforcing rods to form a U-shaped integrated structure. The integrated second and third reinforcing rods are Since it is attached to the other surface of the plate portion of the support body, the bending elastic coefficient of the plate portion can be increased by the second reinforcement rod and the third reinforcement rod, and the relatively large support body becomes substantially flat. However, the rigidity of the support can be further increased.

In the display device according to the present invention, the third reinforcing rod is longer than a separation distance of the second reinforcing rod, and the plate portion is separated from the second reinforcing rod. It is preferable that a fourth reinforcing rod is attached to the end of the plate to reinforce the plate portion.
In the present invention, a fourth reinforcing rod is added to the two second reinforcing rods and the third reinforcing rod which form a U-shape having an integral structure, and the fourth reinforcing rod is a second reinforcing rod and a third reinforcing rod. Since the second reinforcing rod, the third reinforcing rod, and the fourth reinforcing rod of the integrated structure are attached to the other surface of the plate portion of the support body, the bending elastic modulus of the plate portion is set to the first structure. It can be increased by the 2 reinforcing rods, the third reinforcing rods, and the fourth reinforcing rods, and the rigidity of the support can be further increased even if the relatively large support is substantially flat.

In the display device according to the present invention, it is preferable that the columnar convex portion has a U-shaped cross section and is fitted to the outside of each of the reinforcing rods.
According to the present invention, it is possible to increase the bonding strength between the columnar convex portion and the reinforcing rod, and it is possible to further increase the rigidity of the speaker mounting portion by the combined body.

  According to the present invention, the bending elastic modulus of the plate portion can be increased by the reinforcing rod and the combined body, and the rigidity of the support body can be increased even when the relatively large support body is substantially flat. In addition, the combined body that connects the ends of the reinforcing rods also serves as a speaker mounting, and the combined body and the reinforcing rods increase the rigidity of the speaker mounting portion in the support body, so that the durability of the speaker mounting portion is increased. be able to.

  Further, according to the present invention, the bending elastic modulus of the plate portion can be increased by the base plate, the reinforcing rod, and the combined body, and the rigidity of the support body is increased even if the relatively large support body becomes substantially flat. be able to. In addition, the combined body that connects the ends of the reinforcing rods also serves as a speaker attachment, and the rigidity of the speaker mounting portion in the support is enhanced by the base plate, the combined body, and the reinforcing rods. The sex can be further enhanced.

  Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments thereof. FIG. 1 is a cross-sectional view showing a configuration of a display device with a part thereof omitted, FIG. 2 is a rear perspective view showing a configuration with a cabinet omitted, and FIG. 3 is a rear view showing a configuration with a cabinet omitted. 4 is a rear perspective view showing the configuration with the speaker removed, FIG. 5 is an enlarged sectional view showing the configuration of the speaker mounting portion, FIG. 6 is a rear perspective view showing the state with the base plate removed, and FIG. FIG. 8 is a rear view showing the structure of the base plate, FIGS. 9 and 10 are schematic sectional views showing the structure of the light source part, and FIG. 11 is a schematic explanation showing the structure of the light source. FIG.

  The display device includes a display unit 1 having a display screen for displaying a television image on the front side, a light source unit 2 disposed on the rear side of the display unit 1, and a speaker 3 mounted on the lower side of the display unit 1. And a stand mounted on the rear side of the light source unit 2 and a cabinet 4 that covers the peripheral portion of the display unit 1 and the rear side of the light source unit 2.

  The display unit 1 includes a display panel 11 having a display surface, and an optical sheet 12 disposed on the rear side of the display panel 11. The peripheral edge of the display panel 11 is held in front and back by a front holding frame 13 and a rear holding frame 14 to form a panel module, and the rear holding frame 14 is formed on the peripheral edge of the light source unit 2. Installed.

  The optical sheet 12 includes two relatively thick diffuser plates 12a for diffusing light emitted from the light emitting diode 21 as a light source, and a relatively thin synthetic resin sheet 12b such as a reflective polarizing plate, a prism sheet, and a diffuser sheet. And the periphery of the diffusion plate 12a is supported by the periphery of the support 23 described later via the second support plate 16.

  The light source unit 2 includes a plurality of light emitting diodes 21 juxtaposed like a grid, a plurality of light emitting diode substrates 22 on which the light emitting diodes 21 are mounted, and a support 23 that supports the light emitting diode substrates 22 side by side. The light guide plate 24 includes a plurality of light guide plates 24 that guide light emitted from the light emitting diodes 21 in the lateral direction, and a plurality of reflector plates 25 that reflect the light guided by the light guide plates 24 in the direction opposite to the support 23.

  The support 23 is formed by forming a metal plate, and has a flat plate portion 23a having a substantially rectangular shape, and supports a plurality of light emitting diode substrates 22 arranged in the longitudinal direction and the width direction on one surface of the plate portion 23a. A heat radiating plate 26 for dissipating heat generated by the light emitting diode 21 from the light emitting diode substrate 22 to the plate portion 23a is interposed between the light emitting diode substrate 22 and the plate portion 23a. The plate portion 23a has a plurality of connection holes for connecting the light emitting diode substrates 22 juxtaposed in the longitudinal direction of the plate portion 23a with conductive wires, and a plurality of attachment holes for individually attaching the light guide plates 24 respectively. And have been established. Further, a step portion 23b that is biased in the thickness direction is provided at the peripheral portion of the plate portion 23a, and an elongated shape that supports a part of each light guide plate 24 between the step portion 23b and the light emitting diode substrate 22. The first support plate 15 is attached, and an elongated second support plate 16 that supports the optical sheet 12 is attached to the peripheral side of the step portion 23b.

  The light emitting diode substrate 22 has a substantially rectangular shape, the light emitting diode 21 is mounted on one surface, and is mounted side by side on one surface of the plate portion 23a.

  The light guide plate 24 has a light incident surface 24a and a light exit surface 24b that irradiates light incident on the light incident surface 24a in a direction substantially orthogonal to the light incident surface 24a, and faces one side of the light emitting diode 21. A light incident surface 24a is disposed at a position where the light is emitted, a light exit surface 24b is disposed at a position facing the diffuser plate 12a, and a reflection plate 25 is attached to a surface opposite to the light exit surface 24b.

  As described above, the power supply circuit board 40 that supplies power to the display unit 1 and the image displayed on the display surface of the display unit 1 are processed on the other surface of the plate unit 23a on which the light emitting diode substrate 22 is attached. A base plate 5 that supports a plurality of circuit boards such as a terminal circuit board 41 to be supported is supported, and two reinforcing rods 6 and 6 that reinforce the base plate 5 are attached to the base plate 5. , 6 are coupled to one end of the body 7. Further, on the other surface of the plate portion 23a, two second reinforcing rods 8 and 8 for reinforcing the plate portion 23a at positions separated by a relatively long distance in the longitudinal direction, and the second reinforcing rods 8 and 8, Between the fourth reinforcement rods 9 and 9 that are juxtaposed at a relatively short distance and reinforce the plate portion 23a, and between the one end of the second reinforcement rods 8 and 8 and the fourth reinforcement rods 9 and 9 and the long side of the plate portion 23a. And the third reinforcement rod 10 which is coupled to the end portions of the second reinforcement rods 8 and 8 and the fourth reinforcement rods 9 and 9 and reinforces the plate portion 23a through a plurality of spacer members 80. It is attached with a screw.

  The base plate 5 is formed by forming a metal plate, and supports the power circuit board 40 and the terminal circuit board 41 on one surface, and a support plate portion 51 having a substantially rectangular shape, and one surface side from both longitudinal edges of the support plate portion 51. Two first projecting pieces 52, 52 projecting to the second and second projecting pieces 53, 53 as attached portions projecting outward from the tips of the first projecting pieces 52, 52. A plurality of mounting holes are provided in 53 and 53, and the second projecting pieces 53 and 53 are attached to the two second reinforcing rods 8 and 8 by a plurality of male screws. The other surface of the base plate 5 is opposed to the plate portion 23a at a slight distance so that heat generated by light emission of the light emitting diode 21 is not directly transmitted from the plate portion 23a to the base plate 5.

  Between the longitudinal ends of the support plate portion 51, two reinforcing rods 6 and 6 that reinforce the base plate 5 are attached to be separated in the longitudinal direction, and a power source is interposed between the reinforcing rods 6 and 6 in the longitudinal direction. Two second base plates 30 and 30 for supporting the circuit board 40 are attached. A notch 54 corresponding to the control circuit board 42 is provided between the reinforcing rods 6 and 6 at the center in the longitudinal direction of the support plate 51.

  The notch 54 is a through hole having a quadrangle formed at a location separated from the long side of the support plate 51, and supports the control circuit board 42 at the exposed position of the plate 23 a exposed at the notch 54. A third base plate is attached by a plurality of male screws.

  The reinforcing rods 6 and 6 are formed by forming a metal plate into a U-shaped cross section, are formed to have a length slightly shorter than the width of the support plate portion 51, and are formed by a plurality of male screws so that the groove faces the support plate portion 51. It is attached to the support plate part 51. A plurality of mounting holes 61 are provided at one end of the reinforcing rods 6 and 6 so as to be spaced apart in the longitudinal direction.

  The combined body 7 integrally connects the two columnar convex portions 71 and 71 coupled to one end portions of the reinforcing rods 6 and 6, and the end portions of the columnar convex portions 71 and 71, respectively. It has a connecting collar portion 72 to be attached, and is formed by die-casting an aluminum material.

  The columnar convex portions 71 and 71 have grooves, have a U-shaped cross section that is fitted to the outside of the reinforcing rods 6 and 6, and two insertion holes 71a are opened apart in the longitudinal direction. The connecting collar 72 has a prismatic shape, and a concave speaker mounting portion 72a is provided at the center in the longitudinal direction. A plurality of mounting holes 72b are provided in the speaker mounting portion 72a so as to be spaced apart in the longitudinal direction.

  The speaker 3 has a protrusion 3a to be attached that protrudes outward from a part of the outer surface and is attached to the speaker attachment portion 72a with a male screw. A plurality of attachment holes corresponding to the attachment holes 72b are formed in the attachment convex portion 3a.

  The second base plate 30 is formed by molding a metal plate with a relatively narrow width, and is arranged so as to straddle one reinforcing rod 6 from the second reinforcing rod 8 arranged on one side in the longitudinal direction of the plate portion 23a. It is formed in a length that reaches the other reinforcing rod 6. The second base plate 30 is juxtaposed in the longitudinal direction of the reinforcing rods 6 and 6, and one end and an intermediate portion are attached to the middle of the two reinforcing rods 6 and 6 in the longitudinal direction by male screws.

  The power supply circuit board 40 has a substantially quadrangular shape, and both opposing edges of the power supply circuit board 40 are attached to the second base plate 30 by male screws.

  The second reinforcing rod 8 is formed by forming a metal plate into a U-shaped cross section, and is formed with a length shorter than the width of the plate portion 23a. One adjacent second reinforcing rod 8 and fourth reinforcing rod 9 are juxtaposed on one side in the longitudinal direction of the plate portion 23a with a relatively short separation distance, and the other adjacent second reinforcing rod 8 and fourth reinforcing rod 9 are. No. 9 is juxtaposed on the other side in the longitudinal direction of the plate portion 23a at a relatively short distance so that the groove faces the plate portion 23a. Moreover, the to-be-joined part which has an insertion hole is provided in the both ends of each of the 2nd reinforcement rod 8 and the 4th reinforcement rod 9. FIG.

  The third reinforcing rod 10 is formed by forming a metal plate into a U-shaped cross section, is formed to have a length shorter than the length of the plate portion 23a, and two coupled portions are provided at both ends. The third reinforcing rod 10 is arranged in parallel to the long side of the plate portion 23a at a position separated from the edge of the plate portion 23a toward the center, and the two coupled portions at one end are the second reinforcing rod 8 and the fourth. The reinforcing rod 9 is coupled to a coupled portion at one end of the reinforcing rod 9 by a male screw, and is fixed to the plate portion 23a so that the groove faces the plate portion 23a, and the two coupled portions at the other end are second. The reinforcing rod 8 and the fourth reinforcing rod 9 are coupled to the coupled portion at one end portion by a male screw and are fixed to the plate portion 23a so that the groove faces the plate portion 23a.

  A power supply circuit board 43 connected to the light emitting diode substrate 22 is provided on the plate part 23a between the second reinforcement rod 8 and the fourth reinforcement rod 9 juxtaposed on one side in the longitudinal direction of the plate portion 23a. The plate portion 23a between the second reinforcing rod 8 and the fourth reinforcing rod 9 that are attached by screws and juxtaposed on the other side in the longitudinal direction of the plate portion 23a is connected to the light emitting diode substrate 22 to emit light. A control circuit board 44 for controlling the diode 21 is attached by a plurality of male screws, and a control circuit for controlling the display unit 1 on the opposite side of the third reinforcing rod 10 in the center in the longitudinal direction of the plate part 23a. The substrate 42 is attached by a plurality of male screws.

  In addition, the second reinforcing rod 8 and the fourth reinforcing rod 9 juxtaposed on one side in the longitudinal direction of the plate portion 23 a are covered with the power circuit board 43 to block electromagnetic waves from the power circuit board 43. The cover 31 is attached by a plurality of male screws, and the second reinforcing rod 8 and the fourth reinforcing rod 9 juxtaposed on the other side in the longitudinal direction of the plate portion 23a are covered with the control circuit board 44, A cover 32 for blocking electromagnetic waves is attached to the control circuit board 44 by a plurality of male screws.

  The cabinet 4 includes a cabinet front part 4 a that covers the front side of the peripheral part of the display unit 1, and a cabinet rear part 4 b that is a deep dish shape that covers the peripheral part and the rear side of the light source part 2. It is attached to the peripheral part of this by a male screw.

  In the display device configured as described above, the second reinforcing rod 8, the third reinforcing rod 10, and the fourth reinforcing rod 9 are attached to the plate portion 23a of the support 23 by a plurality of male screws. Two reinforcing rods 6 and 6 are attached to the base plate 5, and the power circuit board 40 is supported on the reinforcing rods 6 and 6 via the second base plate 30. The second projecting pieces 53 and 53 of the base plate 5 are attached to the second reinforcing rods 8 and 8 by male screws, and the coupling body 7 is attached to the lower ends of the reinforcing rods 6 and 6 integral with the base plate 5. The speaker 3 is attached to the combined body 7.

  The coupled body 7 is coupled by the columnar protrusions 71 and 71 being fitted into the outside of the reinforcing rods 6 and 6 and the male screw inserted into the insertion hole 71 a being screwed into the mounting hole 61.

  The speaker 3 is joined by superimposing the mounted convex portion 3a on the speaker mounting portion 72a and screwing the male screw inserted into the mounting hole 72b into the mounted hole of the mounted convex portion 3a.

  In this way, the coupling body 7 connects the lower ends of the two reinforcing rods 6 and 6 that reinforce the base plate 5 that supports the power supply circuit board 40, and reinforces the speaker mounting portion in the plate portion 23a. The rigidity of can be increased.

  The support body 23 of the light source unit 2 has a third reinforcing rod 10 coupled to one end of two second reinforcing rods 8 and two fourth reinforcing rods 9 to form an integral U-shape. Since the reinforcing rod 8, the fourth reinforcing rod 9, and the third reinforcing rod 10 are attached to the plate portion 23a of the support body 23 and have an integral structure with the plate portion 23a, the bending elasticity of the support plate 23 that is substantially flat. The coefficient can be sufficiently increased.

  Further, the second reinforcing rod 8 and the fourth reinforcing rod 9 are juxtaposed on one side and the other side in the longitudinal direction of the plate portion 23a, respectively, and the second reinforcing rod 8 and the fourth reinforcing rod 9 are shielded from electromagnetic waves. Covers 31 and 32 are attached and the covers 31 and 32 reinforce the plate portion 23a, so that the bending elastic modulus of the support 23 can be further increased.

  In the embodiment described above, the light emitting diode 21 is provided as a light source. However, a light source having a lamp may be used, and the configuration of the light source is not particularly limited.

  In the embodiment described above, the two second reinforcing rods 8 and 8 and the two fourth reinforcing rods 9 and 9 are juxtaposed on both sides in the longitudinal direction of the plate portion 23a, respectively. Although the third reinforcing rod 10 is coupled to one end of each reinforcing rod 9, the third reinforcing rod 10 and the fourth reinforcing rod 9 are not necessarily required.

  In the embodiment described above, the base plate 5 that supports the circuit board is provided. However, the base board 5 may be omitted and the circuit board may be attached to the plate portion 23a. In this case, the second reinforcement rods 8 and 8 also serve as the reinforcement rods 6 and 6, and both edges of the circuit board such as the power circuit board 40 are directly connected to the second reinforcement rods 8 and 8 or the second base plate. 30 or the like.

  The display device according to the present invention may be a liquid crystal display device such as a liquid crystal television, or may be another display device including a light source.

It is sectional drawing which abbreviate | omitted one part which shows the structure of the display apparatus which concerns on this invention. It is a back side perspective view which shows the structure of the state which abbreviate | omitted the cabinet of the display apparatus which concerns on this invention. It is a rear view which shows the structure of the state which abbreviate | omitted the cabinet of the display apparatus which concerns on this invention. It is a back side perspective view which shows the structure of the state which removed the speaker of the display apparatus which concerns on this invention. It is an expanded sectional view which shows the structure of the speaker attachment part of the display apparatus which concerns on this invention. It is a back side perspective view which shows the state which removed the base plate of the display apparatus which concerns on this invention. It is a perspective view which shows the structure of the 2nd reinforcement rod of the display apparatus which concerns on this invention. It is a rear view which shows the structure of the base plate of the display apparatus which concerns on this invention. It is typical sectional drawing which shows the structure of the light source part of the display apparatus which concerns on this invention. It is typical sectional drawing which shows the structure of the light source part of the display apparatus which concerns on this invention. It is typical explanatory drawing which shows the structure of the light source of the display apparatus which concerns on this invention.

Explanation of symbols

1 Display 21 Light-emitting diode (light source)
DESCRIPTION OF SYMBOLS 23 Support body 23a Plate part 3 Speaker 3a Mounted convex part 5 Base plate 6 Reinforcement rod 7 Combined body 71 Column-shaped convex part 72 Connection collar part 8 2nd reinforcement collar 9 4th reinforcement collar 10 3rd reinforcement collar

Claims (7)

  In a display device including a display unit having a display surface on the front side, a light source disposed on the rear side of the display unit, and a support body having a substantially rectangular plate unit that supports the light source, the display unit is separated from the plate unit. A display device comprising: two reinforcing rods attached to reinforce the plate portion; a coupling body coupled to one end of each of the reinforcement rods; and a speaker attached to the coupling body.   A display unit having a display surface on the front side, a light source disposed on the rear side of the display unit, a support body having a substantially rectangular plate unit that supports the light source on one surface, a circuit board, and the plate unit In a display device comprising a base plate supported on the other surface and a speaker disposed on the lower side or the lateral side of the display unit, the base plate has two reinforcements for reinforcing the base plate at spaced positions. A flange is attached, and on the other surface of the plate portion, two second reinforcement rods that reinforce the plate portion at a spaced position are attached, and both edges of the base plate are attached to the two second reinforcement rods. A display device, comprising: a coupling body coupled to one end of each of the reinforcing rods, wherein the speaker is mounted on the coupling body.   The said coupling body has two columnar convex parts couple | bonded with the one end part of each said reinforcement | strengthening rod, and has a connection collar part which connects the edge part of each said columnar convex part, and the said speaker is attached. 3. The display device according to 1 or 2.   The display device according to claim 3, wherein the speaker has an attached protrusion that protrudes from a part of an outer surface to the outside and is attached to the coupling flange.   The display device according to claim 2, wherein the plate portion is coupled to an end portion of the second reinforcing rod, and a third reinforcing rod is attached to reinforce the plate portion.   The third reinforcing rod is longer than a separation distance of the second reinforcing rod, and the plate portion is coupled to an end portion of the third reinforcing rod at a position separated from the second reinforcing rod, and the plate portion The display device according to claim 5, wherein a fourth reinforcing rod for reinforcing the frame is attached.   The display device according to claim 3, wherein the columnar convex portion has a U-shaped cross section and is fitted to the outside of each of the reinforcing rods.

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