KR20100122305A

KR20100122305A - Display device

Info

Publication number: KR20100122305A
Application number: KR1020090041283A
Authority: KR
Inventors: 오형석
Original assignee: 엘지전자 주식회사
Priority date: 2009-05-12
Filing date: 2009-05-12
Publication date: 2010-11-22

Abstract

PURPOSE: A display device is provided to prevent the direct transmission of vibration resulting from sound by distancing a speaker assembly from a cabinet. CONSTITUTION: A display device includes a display module, cabinets(10,20) and a speaker assembly(40). An image is displayed on the display module, and the cabinets protect the display module. The speaker assembly is fixed at the interval from the inner plane of the cabinet, and the speaker assembly generates the sound. An opening portion is formed in the spreading direction of the sound of the speaker assembly at the one plane of the cabinet adjacent to the speaker assembly.

Description

Display device

The present embodiment relates to a display device, and more particularly, to a display device having a flat display module.

In general, a display device is a device for displaying an image. In recent years, a number of flat panel display apparatuses capable of being shaped as two-dimensional display apparatuses have been released.

The display device includes a display module for displaying an image, a front cabinet and a rear cabinet for protecting the display module, and a speaker provided in a space formed by the front cabinet and the rear cabinet to generate sound.

In recent years, as the volume of the display device is reduced, an internal structure of the display device is disposed adjacent to a speaker, and noise caused by the vibration is generated as vibration by the sound of the speaker is transmitted to the internal structure. have.

An object of the present embodiment is to propose a display device in which transmission of vibration by sound generated from the speaker to the cabinet and display module and generation of noise by the vibration are prevented.

A display device according to an aspect of the present embodiment includes a display module for displaying an image; A cabinet protecting the display module; And a speaker assembly fixed at a distance from an inner surface of the cabinet to generate a sound, and having an opening on one surface of the cabinet adjacent to the speaker assembly in a direction in which sound generated from the speaker assembly is emitted. Is formed.

According to the proposed embodiment, as the speaker assembly for generating sound is provided at a predetermined distance from the cabinet, vibration of the sound is prevented from being directly transmitted to the cabinet, thereby preventing the cabinet and other structures provided in the cabinet. There is an advantage that noise due to vibration is prevented.

In addition, a portion of the speaker assembly is directly exposed to the outside, and as the sound is emitted, the degradation of sound quality generated as the sound is interrupted by other structures may be prevented.

In addition, the speaker assembly is provided to face downward in a state provided in the interior of the display device, so that the overall aesthetics of the display device is increased as the speaker assembly is not directly exposed in front of the viewer viewing the display device. There is an advantage.

Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings. However, the spirit of the present invention is not limited to such embodiments, and the spirit of the present invention may be proposed differently by the addition, change, deletion, etc. of the components constituting the embodiments, but this also applies to the spirit of the present invention. It is included.

1 is a front perspective view of a display device according to an embodiment of the present invention, Figure 2 is an exploded perspective view of the display device according to an embodiment of the present invention.

1 and 2, the display device according to the present embodiment includes a display module 30 displaying an image, a front cabinet 10 and a rear protecting the display module 30 and forming front and rear surfaces thereof. And a speaker assembly 40 provided in an internal space formed by the cabinet 20 and the front cabinet 10 and the rear cabinet 20 to generate sound.

The display module 30 includes an image display unit 31 on which an image is displayed. For example, a liquid crystal display module (LCD module), a plasma display panel module (PDP module), It may be provided as a flat panel display module such as a light emitting diode module (hereinafter referred to as an LED module) or an organic light emitting diode module (hereinafter referred to as an OLED module). The display module 30 may be accommodated in a space formed by the front cabinet 10 and the rear cabinet 20.

The front cabinet 10 and the rear cabinet 20 protect the display module 30 from the front and the rear, respectively.

An opening 11 is formed in the front cabinet 10 to allow an image displayed on the image display unit 31 to be viewed outside of the display device 1. In the present exemplary embodiment, the opening 11 is formed in the front cabinet 10, but the front cabinet 10 is formed of a light transmissive material, for example, a glass material or a transparent resin material. A separate opening 11 is not formed at 10, and the front cabinet 10 itself may be configured to transmit an image.

On the other hand, the speaker assembly 40 according to the present embodiment is provided on the lower side of the space in which the display module 30 is accommodated, that is, the lower frame 22 side of the rear cabinet 20, the display device (1) Emits sound underneath. In the present embodiment, the speaker assembly 40 is described as pointing toward the bottom of the display device 1, but any position where the speaker assembly 40 faces the outside in the internal space of the display device 1 That is, the configuration provided in the upper and left and right side parts will also be possible.

Hereinafter, the configuration in which the speaker assembly 40 is provided in the rear cabinet 20 will be described in detail.

3 is a view illustrating a state in which a back cover and a speaker assembly are coupled according to an embodiment of the present invention, FIG. 4 is an enlarged view of a portion A of FIG. 3, and FIG. 5 is a view of a speaker assembly according to an embodiment of the present invention. Exploded perspective view.

3 to 5, the speaker assembly 40 is fixed at a distance from the lower frame 22 forming a lower portion of the rear cabinet 20.

In more detail, the rear cabinet 20 forms a rear surface of the display device 1 and protects the display module 30 from the rear, and a lower frame forming a bottom surface of the rear cabinet 20. 22). The cabinet body 21 and the lower frame 22 may be integrally formed or formed as a separate member.

The lower frame 22 includes a frame side portion 224 that is formed in a direction parallel to the cabinet body 21 and forms a side surface, and a frame bottom portion 221 that is bent with respect to the frame side portion 224 and forms a bottom surface. .

Openings 223 are formed in the frame bottom portion 221 in a direction in which sound generated by the speaker assembly 40 is emitted, and attenuation members 44 are formed in the frame bottom portions 221 on both left and right sides of the opening 223. It is seated. The damping member 44 is provided as a vibration damping member such as rubber, resin, or sponge, for example, in order to prevent the vibration of the speaker assembly 40 from being directly transmitted to the lower frame 22 and the rear cabinet 20. Can be.

In addition, a first body high information 222 for fixing the speaker main body 41 and a bracket high information 225 for fixing the support bracket 42 are formed in the frame side part 224.

On the other hand, the speaker assembly 40 includes a speaker main body 41 for generating sound, a support bracket 42 provided below the speaker main body 41 to support the speaker main body 41, and a speaker main body. Fastening members 431 and 432 for fixing the 41 and the support bracket 42 to the lower frame 22, respectively, and a damping member 44 provided between the support bracket 42 and the bottom surface 221 of the frame. .

The speaker main body 41 is formed of a speaker unit 411 for generating sound, a main body bracket 410 in which the speaker unit 411 is received and forming the outer shape of the speaker main body 41, and a vibration damping material. The main body side which is formed on one side of the speaker body portion 41, the first body fixing portion 412 for fixing the speaker body portion 41 to the lower frame 22, the first body fixing portion 412 is connected The connection part 418 and the left and right sides of the speaker main body 41 extends and includes a second body fixing part 415 for fixing the speaker main body 41 to the support bracket 42.

The speaker unit 411 generates sound in accordance with a signal input from the outside, and emits sound in one direction or a plurality of directions. In this embodiment, the speaker unit 411 is an example of the display device 1. It is provided so that sound is emitted downward.

The first body fixing part 412 is provided on the upper side of the speaker main body 41, the first body high information 222 is fitted. In addition, the first body fixing part 412 is that the vibration of the sound generated from the speaker body portion 41 is transmitted to the first body high information 222 while the first body high information 222 is fitted. In order to prevent it, for example, it may be formed of a vibration damping member such as rubber or synthetic resin.

On the other hand, the support bracket 42 forms an outer shape of the support bracket 42 and the bracket body 420 on which the speaker main body 41 is seated, and the extension parts 426 extending to the left and right sides of the bracket body 420. ).

On the upper side of the bracket body 420, the bottom of the speaker body portion 41 is seated. The bracket body 420 is formed in a shape corresponding to the opening 223 formed in the bottom surface 221 of the frame, and is formed to have a smaller size than the opening 223. Therefore, in a state where the bracket body 420 is inserted into the opening 223, the outer edge of the bracket body 420 may be provided to be spaced apart from the edge of the opening 223 by a distance d (FIG. 6). Can be. The bottom of the bracket body 420 is exposed to the outside of the display device 1 through the opening 223.

A body side opening portion 423 is formed in the center portion of the bracket body 420 so that sound generated from the speaker unit 411 is generated outside, and the body side opening portion 423 has at least a part of the speaker unit 411. A rib 424 is formed to prevent the external force from being transmitted directly to the speaker unit 411 by shielding against the outside. The rib 424 may be provided in a direction crossing the direction in which sound is emitted from the speaker unit 411.

In addition, the extension parts 426 provided on both the left and right sides of the bracket body 420 are seated on the damping member 44 seated on the frame bottom part 44, so that the speaker assembly 40 with respect to the rear cabinet 20. The main body 41 is fixed to the extension part 426.

More specifically, the extension part 426 is provided with a bracket fixing part 422 for fixing the support bracket 42 to the lower frame 22, and the bracket side connecting part 428 to which the bracket fixing part 422 is connected. And a second body high information 425 for fixing the second body fixing part 415 is formed.

Like the first body fixing part 412, the bracket fixing part 422 is fitted with the bracket high information 225 formed on the frame side part 224, and prevents vibration from being transmitted to the bracket high information 225. In order to form a vibration damping material.

A fastening member (not shown) penetrating the second body fixing part 415 is fastened to the second body high information 425 so that the speaker body part 41 can be firmly fixed to the support bracket 42. have.

Meanwhile, the first and second fastening members 431 and 432 are fastened to the first body high information 222 and the bracket high information 225, respectively, so that the first body fixing part 412 and the bracket fixing part 422 1 to prevent detachment from the body high information 222 and the bracket high information 225. In addition, vibration damping members 433 and 434 are surrounded by the first and second fastening members 431 and 432, respectively, and vibration is transmitted from the speaker main body 41 or the support bracket 42 to the first and second fastening members 431 and 432. Prevent it.

In this embodiment, the speaker assembly 40 is described as being fixed and supported with respect to the rear cabinet 20 as an example, but the speaker assembly 40 is also possible to be fixed and supported with respect to the front cabinet 10. will be.

Hereinafter, a configuration of preventing vibration transmission from the speaker assembly 40 in the display device 1 according to the present embodiment will be described in detail.

6 is a view illustrating a bottom surface of a back cover provided with a speaker assembly.

4 and 6, the support bracket 42 of the speaker assembly 40 is located in the opening 223 formed in the lower frame 21, and the outer edge of the support bracket 42 is the edge of the opening 223. Are spaced apart by a certain distance d.

The separation distance d between the support bracket 42 and the opening 223 is greater than an amplitude at which the support bracket 42 is vibrated by the sound generated from the speaker main body 41. Therefore, even if the support bracket 42 is vibrated by sound, vibration can be prevented from being directly transmitted to the edge of the opening 223, that is, the lower frame 22 and the rear cabinet 20.

In addition, vibration damping is performed in a state in which the speaker main body 41 and the support bracket 42 of the speaker assembly 40 are connected to the first body high information 222 and the bracket high information 225 of the lower frame 22, respectively. Vibration of the speaker assembly 40 may be attenuated by the first body fixing part 412 and the bracket fixing part 422 formed of a material.

According to the proposed embodiment, as the speaker assembly 40 for generating sound is provided at a predetermined distance from the cabinets 10 and 20, the vibration according to the sound is directly transmitted to the cabinets 10 and 20. It is prevented, there is an advantage that the noise due to vibration of the cabinet (10, 20) and other structures provided in the cabinet (10, 20) is prevented.

In addition, a portion of the speaker assembly 40 is directly exposed to the outside, and as sound is emitted, the degradation of sound quality generated as the sound is interrupted by other structures may be prevented.

In addition, since the speaker assembly 40 is provided to face downward in a state provided inside the display device 1, the speaker assembly 40 is generally not directly exposed in front of the viewer viewing the display device 1. As it does not, there is an advantage that the overall aesthetics of the display device 1 is increased.

1 is a front perspective view of a display device according to an embodiment of the present invention.

2 is an exploded perspective view of a display device according to an embodiment of the present invention.

3 is a view showing a state in which the rear cabinet and the speaker assembly are coupled according to an embodiment of the present invention.

4 is an enlarged view of a portion A of FIG. 3.

5 is an exploded perspective view of a speaker assembly according to an embodiment of the present invention.

6 shows a bottom view of a rear cabinet with a speaker assembly.

Claims

A display module displaying an image;

A cabinet protecting the display module; And

And a speaker assembly fixed at a distance from the inner surface of the cabinet to generate sound.

And an opening is formed at one surface of the cabinet adjacent to the speaker assembly in a direction in which sound generated by the speaker assembly is emitted.

The method of claim 1,

The distance between the support bracket and the cabinet is greater than the vibration width of the support bracket by the sound generated by the speaker.

The method of claim 1,

The speaker assembly

A speaker main body for generating sound; And

And a support bracket supporting the speaker body with respect to the cabinet.

The method of claim 3, wherein

The support bracket may include a bracket body on which the speaker body is seated, with a portion of the support bracket being inserted into the opening.

The method of claim 4, wherein

The outer edge of the bracket body is a display device facing the edge of the opening spaced apart a predetermined distance.

The method of claim 4, wherein

The bracket body is

A body opening formed in a direction in which sound is emitted from the speaker body, so that the sound is radiated to the outside;

And a rib formed in the body opening to shield at least a portion of the speaker body from outside.

The method of claim 4, wherein

The support bracket further includes an extension part extending from the bracket body and to which the speaker body is fixed.

The method of claim 7, wherein

The display apparatus of claim 1, wherein the extension and the one surface of the cabinet having the opening are spaced apart from each other by a predetermined distance.

The method of claim 8,

And a damping member disposed between the extension part and one surface of the cabinet to attenuate vibration caused by sound generated in the speaker body.

The method of claim 3, wherein

The speaker body includes a body fixing portion of the vibration damping material for connecting the speaker body to the cabinet.

The method of claim 3, wherein

The support bracket includes a bracket fixing portion of a vibration damping material for connecting the support bracket to the cabinet.

The method of claim 1,

And a fastening member for fixing the speaker assembly to the cabinet and having a vibration damping member surrounded by a contact surface with the speaker assembly.

The method of claim 1,

The sound generated from the speaker assembly is emitted downward.