KR20110035649A - A display apparatus - Google Patents

Abstract

PURPOSE: A display apparatus is provided to reduce the width of non display area. CONSTITUTION: A display apparatus comprises a display module(20) for displaying an image, a front cover(11) for shielding some part of a display module, and a back over(12) for shielding the rear part of the display module. The display module is fixed by being attached to the front cover and the back cover. A thermal conductance tape is attached inside of the back over of the display module.

Description

[0001] The present invention relates to a display apparatus,

The present invention relates to a display device.

(LCD), a plasma display panel (PDP), an electro luminescent display (ELD), a vacuum fluorescent display (VFD), and the like have been developed in recent years in response to the development of an information society. , Organic light emitting diode (OLED), and the like have been studied and used.

The display device has a function of receiving video and audio signals from other devices and outputting the received video and audio signals to a display module and a speaker. The display module and the speaker are accommodated in a space formed by a front cover and a back cover which form the front and rear outer appearance of the display device.

Generally, the front cover and the back cover are screwed to each other, and the display module is fixedly mounted to at least one of the front cover and the back cover.

Meanwhile, in recent years, various studies have been made to reduce the thickness of the image non-display area of the display device in accordance with the taste of the consumer.

However, the above-described conventional techniques have the following problems.

In order for the front cover and the back cover to be coupled to each other, a fastening structure such as a boss for screw connection must be provided in a space that is not interfered with by the display module. Therefore, There is a problem in that there is a limit to decrease.

Further, since the front cover is formed with the fastening structure, a sink mark, a void, or the like may be generated, which may damage a luxurious image of the product.

In addition, when the width of the front and rear of the display device is narrowed, there is a problem that heat generated from the inside can not be smoothly discharged.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a display device having a thin image display area.

Another object of the present invention is to provide a display device with improved assemblability.

Another object of the present invention is to provide a display device having no sync mark on the front cover.

It is another object of the present invention to provide a display device capable of smoothly emitting heat generated therein.

According to an aspect of the present invention, there is provided a display device including a display module for displaying an image; A front cover for shielding a part of a front surface of the display module; And a back cover for shielding a back surface of the display module, wherein the display module is adhered and fixed to the front cover and the back cover, and the inner surface of the back cover contacts the display module, And a tape is attached.

According to the display device of the present invention as described above, the bezel of the front cover can be formed thin.

Also, since the display module can be fixed by a method of adhering the display module, the assemblability is greatly improved.

In addition, since the front cover is not provided with a sink mark or the like, the image of the product can be enhanced.

In addition, since the heat generated in the display module can be smoothly discharged to the rear of the display device, the stability of the product can be improved.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

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

1, a display apparatus 1 according to an embodiment of the present invention may include a display body 10 for displaying an image and a support unit 19 for supporting the display body 10 on the floor .

2 and 20 for displaying an image on the display body 10, a front cover 11 for protecting the front and rear surfaces of the display module 20 from external shocks and foreign substances, And a speaker module (not shown) provided inside the space formed by the covers 11 and 12 and outputting sound.

The display module 20 emits light toward the front of the display device 1 to display an image. For example, the display module 20 may be a liquid crystal display module, which may include a display panel (not shown) and a backlight unit (not shown). The display panel may display an image using light provided from the backlight unit. To this end, the display panel includes a TFT substrate and a color filter substrate facing each other with a liquid crystal layer and the liquid crystal layer interposed therebetween . Hereinafter, a case where the display module 20 is provided with a liquid crystal display module will be described as an example.

However, the embodiments according to the present invention are not limited to the liquid crystal display module and may be applied to a PDP (Plasma Display Panel), an ELL (Electro Luminescent Display), a VFD (Vacuum Fluorescent Display) (Organic ligit emitting diode module) can be used.

Particularly, in the case of a display module using an LED or OLED as a light source of the backlight unit, since the thickness of the backlight unit can be reduced, the front and rear width of the display device 1 can be reduced, have.

In the present embodiment, an OLED is used as a light source of the backlight unit. In this case, in order to prevent the OLED from being deteriorated due to heat generated in the backlight unit, the back cover 12 is provided with a heat dissipation structure. Details related to this will be described later.

The front cover 11 is formed with openings (FIGS. 2 and 113) opened toward the front so that the user can recognize the image displayed on the display module 20. FIG. The opening 113 is formed in a substantially rectangular shape, and the display module 20 is exposed to the inside of the opening 113.

The support unit 19 may be formed such that the display body 10 is rotatable by a predetermined angle in the front, rear, left and right directions.

Fig. 2 is an exploded perspective view of the display device of Fig. 1, and Fig. 3 is an inner side view of the back cover of Fig. 2. Fig.

2 and 3, the display module 20 for displaying an image is adhered and fixed to the front cover 11 and the back cover 12.

The front cover 11 is provided with an opening 113 through which an image displayed on the display module 20 is transmitted. The opening 113 is formed in a substantially rectangular shape and is formed at a central portion of the front cover 11. On the rear surface of the front cover 11, a first double-sided tape 31 is provided along the periphery of the opening 113. That is, the first double-sided tape 31 is attached to the back surface of a shielding portion (Figs. In other words, the front surface of the first double-sided tape 31 is in close contact with the rear surface of the front cover 11. 4 and 112 may be further formed on the rear surface of the front cover 11 so that the first double-sided tape 31 and the display module 20 can be coupled to each other at precise positions. The guide part 112 may protrude to correspond to the shape of the edge of the display module 20 and may be flat so that the edge of the display module 20 can be seated. The first double-sided tape 31 is formed to have a size corresponding to a distance from an end of the guide portion 112 to a side of the opening 113, ) Can be widened.

The display module 20 is bonded to the back surface of the first double-sided tape 31. The display module 20 can be fixed to the front cover 11 at an accurate position by a part of the frame being seated on the guide portion 112.

As described above, the display module 20 includes a display panel for displaying an image and a backlight unit for supplying light to the display panel. The display panel and the backlight unit may have a front surface and a rear surface formed to be flat, and a rear surface of the backlight unit may be protected by a predetermined cover.

In addition, a driving unit 21 for driving the display module 20 is provided on the rear surface of the display module 20. The driving unit 21 includes a video circuit for applying a video signal to the display panel, a power supply unit for receiving power from an external power source and supplying power to the display panel and the backlight unit, And the like. The driving unit 21 may be provided to be protruded by a predetermined length from the rear surface of the display module 20, which is formed flat.

The back cover 12 is adhered and fixed to the back of the display module 20. In the present embodiment, the back cover 12 is limited to adhering and fixing the display module 20 to the display module 20 after adhering and fixing the display module 20 to the front cover 11, .

The back cover 12 includes a driving unit insertion hole 123 formed at a position corresponding to the driving unit 21. The driving part insertion hole 123 is formed to have a size larger than at least the driving part 21 so that the driving part 21 can be inserted. In detail, the display module 20 is adhered and fixed to the back cover 12. The driving part 21 is provided in a protruding shape so that the driving part insertion hole 123 is provided so that the driving part 21 does not interfere with the adhesion with the back cover 12. [ That is, the driving unit 21 may be partially inserted into the driving unit insertion hole 123, and the back cover 12 may be adhered to the rest of the display module 20. Accordingly, the back cover 12 may be adhered to the display module 20 over a predetermined area.

A second double-sided tape 33 attached to the rear surface of the display module 20 is provided at an edge of the inner surface (front surface) of the back cover 12. The second double-sided tape 33 may be spaced a predetermined distance from the end of the back cover 12.

A third double-sided tape 35 attached to the back of the display module 20 and heat generated from the display module 20 are transmitted to the back cover 12 at a central portion of the back cover 12. [ The heat radiation tape 37 is attached. The third double-sided tape 35 and the heat dissipating tape 37 may be alternately attached to each other.

The heat dissipation tape 37 may be formed of a material having thermal conductivity, and may be formed by a method of curing a pressure-sensitive adhesive resin containing particles having thermal conductivity. As the adhesive resin, an acrylic or silicone-based synthetic resin having excellent heat resistance may be used. As the particles, Al ₂ O ₃ , ZnO, MnO, or the like may be used.

The heat dissipation tape 37 is adhered to the back surface of the display module 20 and transfers the heat radiated from the display module 20 to the back cover 12 by conduction.

At this time, at least a part of the back cover 12 may be formed of a metal material. For example, at least a part of the back cover 12 may be formed of copper, aluminum, and an alloy material containing the same, which are excellent in thermal conductivity. The heat dissipation tape 37 may be adhered to the metal part of the back cover 12. [ Accordingly, the heat radiated from the display module 20 can be smoothly discharged to the rear of the display device 1 through the heat-radiating tape 37 and the back cover 12. Preferably, the back cover 12 is formed entirely of a metal material to maximize heat radiation performance.

On the other hand, the driving unit insertion hole 123 is shielded by the driving unit cover 40. The driving unit cover 40 may be selectively coupled to the back cover 12 by fastening members such as bolts. The display module 20 is adhered and fixed to the covers 11 and 12 so that the display module 20 can not be separated even if the driver 21 requires repair. Therefore, the operator can easily repair the driving unit 21 after removing the driving unit cover 40. [ In this embodiment, the driving unit cover 40 is fixed to the back cover 12 by bolts. Alternatively, a fastening structure such as a hook may be used, and the driving unit cover 40 may be directly fixed to the driving unit 21.

In addition, the driving unit cover 40 may further include a grill 41 for allowing heat generated by the driving unit 21 to be radiated by convection.

As described above, the assembly of the display device 1 includes a first process of bonding the display module 20 to the front cover 11, a second process of bonding the back cover 12 to the display module 20, And a third process of fastening the drive cover 40 to the back cover 12, so that workability of assembling the product can be improved.

4 is a cross-sectional view taken along line I-I 'in Fig.

4, the front cover 11 includes a shield 111 forming the opening 113, a side surface 115 forming a side edge of the display device 1, A guide 112 guiding the tape 31 and the fixing position of the display module 20 and a seating part 115 on which the fitting part 125 of the back cover 12 is seated.

The shielding part 111 shields a part of the rim of the display module 20 to form an image non-display area. On the rear surface of the shield 111, a black layer for blocking light may be printed or glued. The shield 111 is provided along the periphery of the front cover 11 to form the opening 113 through which an image is transmitted.

The guide 112 protrudes from the back surface of the shield 111. The first double-sided tape 31 is attached to the side surface of the guide 112 so that the first double-sided tape 31 can be always attached to the same position regardless of the operator. A part of the front surface of the display module 20 is formed to correspond to the shape of the guide 112 and can be fixed to the correct position by being in close contact with the side surface and the back surface of the guide 112.

Only the first double-sided tape 31 is attached to the rear surface of the shield 111 to fix the display module 20 and no ribs or bosses for fastening bolts or the like are formed. No sink marks or voids are formed in the injection molding process of the front cover 11. [ Further, since it is not necessary to form a structure such as a rib or a boss for fastening bolts or the like, the length of the shielding portion 111, that is, the width of the image non-display region or the bezel can be reduced. Therefore, since the front appearance quality of the front cover 11 is improved, the satisfaction of the consumer can be improved.

The seating part 115 is formed adjacent to the side part 115 and corresponds to the length of the fitting part 125. The fitting portion 125 is formed by bending the end portion of the back cover 12 so as to be in close contact with the inner side surface of the side portion 115, (Not shown).

When the fitting part 125 is seated on the seating part 115, the back surface of the back cover 12 is positioned at least on the same plane or in front of the back surface of the side part 115, The length of the fitting portion 115 and the fitting portion 125 are adjusted. As described above, the back cover 12 is inserted into the front cover 11, thereby reducing the front-rear width of the display device 1.

5 is a cross-sectional view taken along line II-II 'of FIG.

Referring to FIG. 5, the driving unit 21 is inserted into the driving unit insertion hole 123. A coupling boss 127 for fixing the driving unit cover 40 is provided around the driving unit insertion hole 123. The fastening boss 127 may be formed with a female screw so that a bolt can be inserted therein, and is formed to protrude a predetermined length rearward. A fastening hole 43 is formed in the drive cover 40 at a position corresponding to the fastening boss 127 and a bolt 45 is coupled to the fastening boss 127 through the fastening hole 43 .

If an error occurs in the driving unit 21, the operator can access the driving unit 21 immediately after removing the driving unit cover 40, so that the operator can conveniently operate.

The scope of the present invention is not limited to the above-described embodiments, and variations, additions and deletions of the embodiments may be made within the scope of the present invention.

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

2 is an exploded perspective view of the display device of FIG.

Fig. 3 is an inner side view of the back cover of Fig. 2; Fig.

4 is a cross-sectional view taken along line I-I 'of FIG.

5 is a cross-sectional view taken along line II-II 'of FIG. 1;

Claims (6)

A display module for displaying an image; A front cover for shielding a part of a front surface of the display module; And A back cover for shielding the back surface of the display module, Wherein the display module is adhered and fixed to the front cover and the back cover, And a heat radiation tape having thermal conductivity is attached to the inner surface of the back cover, the heat radiation tape being in contact with the display module. The method according to claim 1, Wherein a front surface and a rear surface of the display module are bonded to the front cover and the back cover by a double-sided tape, respectively. The method according to claim 1, An opening through which an image is transmitted is formed on the front cover, Wherein a double-sided tape for fixing the display module is attached to a rear surface of the front cover along a periphery of the opening. The method according to claim 1, A double-sided tape for fixing the display module is provided on a back surface of the back cover, Wherein at least a part of the double-sided tape is attached alternately to the heat radiation tape. The method according to claim 1, A driving unit provided on a rear surface of the display module, the driving unit driving the display module; A driving part insertion hole provided in the back cover, into which the driving part is inserted; And And a driving unit cover detachably coupled to the back cover or the driving unit and configured to shield the driving unit insertion hole. The method according to claim 1, Wherein at least a part of the back cover is made of a metal material, Wherein the heat dissipation tape is attached to a portion formed of a metal material.

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